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perf/core improvements and fixes

Browse Source 
. Remove die()/exit() calls from several tools.
 
 . Add missing perf_regs.h file to MANIFEST
 
 . Clean up and improve 'perf sched' performance by elliminating lots of
   needless calls to libtraceevent.
 
 . More patches to make perf build on Android, from Irina Tirdea
 
 . Resolve vdso callchains, from Jiri Olsa
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core

Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:

 * Remove die()/exit() calls from several tools.

 * Add missing perf_regs.h file to MANIFEST

 * Clean up and improve 'perf sched' performance by elliminating lots of
   needless calls to libtraceevent.

 * More patches to make perf build on Android, from Irina Tirdea

 * Resolve vdso callchains, from Jiri Olsa

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2012-09-13 17:11:19 +02:00
commit be267be8b1
92 changed files with 1523 additions and 1236 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
tools/lib/traceevent/event-parse.c
View File

@ -1824,7 +1824,7 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok)
}
static enum event_type
process_entry(struct event_format *event __unused, struct print_arg *arg,
process_entry(struct event_format *event __maybe_unused, struct print_arg *arg,
char **tok)
{
enum event_type type;
@ -2458,7 +2458,8 @@ process_paren(struct event_format *event, struct print_arg *arg, char **tok)
static enum event_type
process_str(struct event_format *event __unused, struct print_arg *arg, char **tok)
process_str(struct event_format *event __maybe_unused, struct print_arg *arg,
char **tok)
{
enum event_type type;
char *token;
@ -3653,7 +3654,8 @@ static void free_args(struct print_arg *args)
}
static char *
get_bprint_format(void *data, int size __unused, struct event_format *event)
get_bprint_format(void *data, int size __maybe_unused,
struct event_format *event)
{
struct pevent *pevent = event->pevent;
unsigned long long addr;

4
tools/lib/traceevent/event-parse.h
View File

@ -24,8 +24,8 @@
#include <stdarg.h>
#include <regex.h>
#ifndef __unused
#define __unused __attribute__ ((unused))
#ifndef __maybe_unused
#define __maybe_unused __attribute__((unused))
#endif
/* ----------------------- trace_seq ----------------------- */

1
tools/perf/MANIFEST
View File

@ -10,6 +10,7 @@ include/linux/stringify.h
lib/rbtree.c
include/linux/swab.h
arch/*/include/asm/unistd*.h
arch/*/include/asm/perf_regs.h
arch/*/lib/memcpy*.S
arch/*/lib/memset*.S
include/linux/poison.h

3
tools/perf/Makefile
View File

@ -264,6 +264,7 @@ LIB_H += util/include/linux/ctype.h
LIB_H += util/include/linux/kernel.h
LIB_H += util/include/linux/list.h
LIB_H += util/include/linux/export.h
LIB_H += util/include/linux/magic.h
LIB_H += util/include/linux/poison.h
LIB_H += util/include/linux/prefetch.h
LIB_H += util/include/linux/rbtree.h
@ -336,6 +337,7 @@ LIB_H += util/intlist.h
LIB_H += util/perf_regs.h
LIB_H += util/unwind.h
LIB_H += ui/helpline.h
LIB_H += util/vdso.h
LIB_OBJS += $(OUTPUT)util/abspath.o
LIB_OBJS += $(OUTPUT)util/alias.o
@ -403,6 +405,7 @@ LIB_OBJS += $(OUTPUT)util/cgroup.o
LIB_OBJS += $(OUTPUT)util/target.o
LIB_OBJS += $(OUTPUT)util/rblist.o
LIB_OBJS += $(OUTPUT)util/intlist.o
LIB_OBJS += $(OUTPUT)util/vdso.o
LIB_OBJS += $(OUTPUT)ui/helpline.o
LIB_OBJS += $(OUTPUT)ui/hist.o

3
tools/perf/bench/bench.h
View File

@ -3,7 +3,8 @@
extern int bench_sched_messaging(int argc, const char **argv, const char *prefix);
extern int bench_sched_pipe(int argc, const char **argv, const char *prefix);
extern int bench_mem_memcpy(int argc, const char **argv, const char *prefix __used);
extern int bench_mem_memcpy(int argc, const char **argv,
const char *prefix __maybe_unused);
extern int bench_mem_memset(int argc, const char **argv, const char *prefix);
#define BENCH_FORMAT_DEFAULT_STR "default"

2
tools/perf/bench/mem-memcpy.c
View File

@ -177,7 +177,7 @@ static double do_memcpy_gettimeofday(memcpy_t fn, size_t len, bool prefault)
} while (0)
int bench_mem_memcpy(int argc, const char **argv,
const char *prefix __used)
const char *prefix __maybe_unused)
{
int i;
size_t len;

2
tools/perf/bench/mem-memset.c
View File

@ -171,7 +171,7 @@ static double do_memset_gettimeofday(memset_t fn, size_t len, bool prefault)
} while (0)
int bench_mem_memset(int argc, const char **argv,
const char *prefix __used)
const char *prefix __maybe_unused)
{
int i;
size_t len;

2
tools/perf/bench/sched-messaging.c
View File

@ -267,7 +267,7 @@ static const char * const bench_sched_message_usage[] = {
};
int bench_sched_messaging(int argc, const char **argv,
const char *prefix __used)
const char *prefix __maybe_unused)
{
unsigned int i, total_children;
struct timeval start, stop, diff;

6
tools/perf/bench/sched-pipe.c
View File

@ -43,7 +43,7 @@ static const char * const bench_sched_pipe_usage[] = {
};
int bench_sched_pipe(int argc, const char **argv,
const char *prefix __used)
const char *prefix __maybe_unused)
{
int pipe_1[2], pipe_2[2];
int m = 0, i;
@ -55,8 +55,8 @@ int bench_sched_pipe(int argc, const char **argv,
* discarding returned value of read(), write()
* causes error in building environment for perf
*/
int __used ret, wait_stat;
pid_t pid, retpid __used;
int __maybe_unused ret, wait_stat;
pid_t pid, retpid __maybe_unused;
argc = parse_options(argc, argv, options,
bench_sched_pipe_usage, 0);

2
tools/perf/builtin-annotate.c
View File

@ -239,7 +239,7 @@ static const char * const annotate_usage[] = {
NULL
};
int cmd_annotate(int argc, const char **argv, const char *prefix __used)
int cmd_annotate(int argc, const char **argv, const char *prefix __maybe_unused)
{
struct perf_annotate annotate = {
.tool = {

2
tools/perf/builtin-bench.c
View File

@ -173,7 +173,7 @@ static void all_subsystem(void)
all_suite(&subsystems[i]);
}
int cmd_bench(int argc, const char **argv, const char *prefix __used)
int cmd_bench(int argc, const char **argv, const char *prefix __maybe_unused)
{
int i, j, status = 0;

10
tools/perf/builtin-buildid-cache.c
View File

@ -43,15 +43,16 @@ static int build_id_cache__add_file(const char *filename, const char *debugdir)
}
build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
err = build_id_cache__add_s(sbuild_id, debugdir, filename, false);
err = build_id_cache__add_s(sbuild_id, debugdir, filename,
false, false);
if (verbose)
pr_info("Adding %s %s: %s\n", sbuild_id, filename,
err ? "FAIL" : "Ok");
return err;
}
static int build_id_cache__remove_file(const char *filename __used,
const char *debugdir __used)
static int build_id_cache__remove_file(const char *filename __maybe_unused,
const char *debugdir __maybe_unused)
{
u8 build_id[BUILD_ID_SIZE];
char sbuild_id[BUILD_ID_SIZE * 2 + 1];
@ -119,7 +120,8 @@ static int __cmd_buildid_cache(void)
return 0;
}
int cmd_buildid_cache(int argc, const char **argv, const char *prefix __used)
int cmd_buildid_cache(int argc, const char **argv,
const char *prefix __maybe_unused)
{
argc = parse_options(argc, argv, buildid_cache_options,
buildid_cache_usage, 0);

3
tools/perf/builtin-buildid-list.c
View File

@ -103,7 +103,8 @@ static int __cmd_buildid_list(void)
return perf_session__list_build_ids();
}
int cmd_buildid_list(int argc, const char **argv, const char *prefix __used)
int cmd_buildid_list(int argc, const char **argv,
const char *prefix __maybe_unused)
{
argc = parse_options(argc, argv, options, buildid_list_usage, 0);
setup_pager();

4
tools/perf/builtin-diff.c
View File

@ -33,7 +33,7 @@ static int hists__add_entry(struct hists *self,
return -ENOMEM;
}
static int diff__process_sample_event(struct perf_tool *tool __used,
static int diff__process_sample_event(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample,
struct perf_evsel *evsel,
@ -242,7 +242,7 @@ static const struct option options[] = {
OPT_END()
};
int cmd_diff(int argc, const char **argv, const char *prefix __used)
int cmd_diff(int argc, const char **argv, const char *prefix __maybe_unused)
{
sort_order = diff__default_sort_order;
argc = parse_options(argc, argv, options, diff_usage, 0);

2
tools/perf/builtin-evlist.c
View File

@ -113,7 +113,7 @@ static const char * const evlist_usage[] = {
NULL
};
int cmd_evlist(int argc, const char **argv, const char *prefix __used)
int cmd_evlist(int argc, const char **argv, const char *prefix __maybe_unused)
{
struct perf_attr_details details = { .verbose = false, };
const char *input_name = NULL;

2
tools/perf/builtin-help.c
View File

@ -426,7 +426,7 @@ static int show_html_page(const char *perf_cmd)
return 0;
}
int cmd_help(int argc, const char **argv, const char *prefix __used)
int cmd_help(int argc, const char **argv, const char *prefix __maybe_unused)
{
const char *alias;
int rc = 0;

24
tools/perf/builtin-inject.c
View File

@ -17,9 +17,9 @@
static char const *input_name = "-";
static bool inject_build_ids;
static int perf_event__repipe_synth(struct perf_tool *tool __used,
static int perf_event__repipe_synth(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct machine *machine __used)
struct machine *machine __maybe_unused)
{
uint32_t size;
void *buf = event;
@ -40,7 +40,8 @@ static int perf_event__repipe_synth(struct perf_tool *tool __used,
static int perf_event__repipe_op2_synth(struct perf_tool *tool,
union perf_event *event,
struct perf_session *session __used)
struct perf_session *session
__maybe_unused)
{
return perf_event__repipe_synth(tool, event, NULL);
}
@ -52,13 +53,14 @@ static int perf_event__repipe_event_type_synth(struct perf_tool *tool,
}
static int perf_event__repipe_tracing_data_synth(union perf_event *event,
struct perf_session *session __used)
struct perf_session *session
__maybe_unused)
{
return perf_event__repipe_synth(NULL, event, NULL);
}
static int perf_event__repipe_attr(union perf_event *event,
struct perf_evlist **pevlist __used)
struct perf_evlist **pevlist __maybe_unused)
{
int ret;
ret = perf_event__process_attr(event, pevlist);
@ -70,7 +72,7 @@ static int perf_event__repipe_attr(union perf_event *event,
static int perf_event__repipe(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample __used,
struct perf_sample *sample __maybe_unused,
struct machine *machine)
{
return perf_event__repipe_synth(tool, event, machine);
@ -78,8 +80,8 @@ static int perf_event__repipe(struct perf_tool *tool,
static int perf_event__repipe_sample(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample __used,
struct perf_evsel *evsel __used,
struct perf_sample *sample __maybe_unused,
struct perf_evsel *evsel __maybe_unused,
struct machine *machine)
{
return perf_event__repipe_synth(tool, event, machine);
@ -163,7 +165,7 @@ static int dso__inject_build_id(struct dso *self, struct perf_tool *tool,
static int perf_event__inject_buildid(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct perf_evsel *evsel __used,
struct perf_evsel *evsel __maybe_unused,
struct machine *machine)
{
struct addr_location al;
@ -224,7 +226,7 @@ struct perf_tool perf_inject = {
extern volatile int session_done;
static void sig_handler(int sig __attribute__((__unused__)))
static void sig_handler(int sig __maybe_unused)
{
session_done = 1;
}
@ -267,7 +269,7 @@ static const struct option options[] = {
OPT_END()
};
int cmd_inject(int argc, const char **argv, const char *prefix __used)
int cmd_inject(int argc, const char **argv, const char *prefix __maybe_unused)
{
argc = parse_options(argc, argv, options, report_usage, 0);

130
tools/perf/builtin-kmem.c
View File

@ -58,41 +58,52 @@ static unsigned long nr_allocs, nr_cross_allocs;
#define PATH_SYS_NODE "/sys/devices/system/node"
static void init_cpunode_map(void)
static int init_cpunode_map(void)
{
FILE *fp;
int i;
int i, err = -1;
fp = fopen("/sys/devices/system/cpu/kernel_max", "r");
if (!fp) {
max_cpu_num = 4096;
return;
return 0;
}
if (fscanf(fp, "%d", &max_cpu_num) < 1) {
pr_err("Failed to read 'kernel_max' from sysfs");
goto out_close;
}
if (fscanf(fp, "%d", &max_cpu_num) < 1)
die("Failed to read 'kernel_max' from sysfs");
max_cpu_num++;
cpunode_map = calloc(max_cpu_num, sizeof(int));
if (!cpunode_map)
die("calloc");
if (!cpunode_map) {
pr_err("%s: calloc failed\n", __func__);
goto out_close;
}
for (i = 0; i < max_cpu_num; i++)
cpunode_map[i] = -1;
err = 0;
out_close:
fclose(fp);
return err;
}
static void setup_cpunode_map(void)
static int setup_cpunode_map(void)
{
struct dirent *dent1, *dent2;
DIR *dir1, *dir2;
unsigned int cpu, mem;
char buf[PATH_MAX];
init_cpunode_map();
if (init_cpunode_map())
return -1;
dir1 = opendir(PATH_SYS_NODE);
if (!dir1)
return;
return -1;
while ((dent1 = readdir(dir1)) != NULL) {
if (dent1->d_type != DT_DIR ||
@ -112,10 +123,11 @@ static void setup_cpunode_map(void)
closedir(dir2);
}
closedir(dir1);
return 0;
}
static void insert_alloc_stat(unsigned long call_site, unsigned long ptr,
int bytes_req, int bytes_alloc, int cpu)
static int insert_alloc_stat(unsigned long call_site, unsigned long ptr,
int bytes_req, int bytes_alloc, int cpu)
{
struct rb_node **node = &root_alloc_stat.rb_node;
struct rb_node *parent = NULL;
@ -139,8 +151,10 @@ static void insert_alloc_stat(unsigned long call_site, unsigned long ptr,
data->bytes_alloc += bytes_alloc;
} else {
data = malloc(sizeof(*data));
if (!data)
die("malloc");
if (!data) {
pr_err("%s: malloc failed\n", __func__);
return -1;
}
data->ptr = ptr;
data->pingpong = 0;
data->hit = 1;
@ -152,9 +166,10 @@ static void insert_alloc_stat(unsigned long call_site, unsigned long ptr,
}
data->call_site = call_site;
data->alloc_cpu = cpu;
return 0;
}
static void insert_caller_stat(unsigned long call_site,
static int insert_caller_stat(unsigned long call_site,
int bytes_req, int bytes_alloc)
{
struct rb_node **node = &root_caller_stat.rb_node;
@ -179,8 +194,10 @@ static void insert_caller_stat(unsigned long call_site,
data->bytes_alloc += bytes_alloc;
} else {
data = malloc(sizeof(*data));
if (!data)
die("malloc");
if (!data) {
pr_err("%s: malloc failed\n", __func__);
return -1;
}
data->call_site = call_site;
data->pingpong = 0;
data->hit = 1;
@ -190,11 +207,12 @@ static void insert_caller_stat(unsigned long call_site,
rb_link_node(&data->node, parent, node);
rb_insert_color(&data->node, &root_caller_stat);
}
return 0;
}
static void perf_evsel__process_alloc_event(struct perf_evsel *evsel,
struct perf_sample *sample,
int node)
static int perf_evsel__process_alloc_event(struct perf_evsel *evsel,
struct perf_sample *sample, int node)
{
struct event_format *event = evsel->tp_format;
void *data = sample->raw_data;
@ -209,8 +227,9 @@ static void perf_evsel__process_alloc_event(struct perf_evsel *evsel,
bytes_req = raw_field_value(event, "bytes_req", data);
bytes_alloc = raw_field_value(event, "bytes_alloc", data);
insert_alloc_stat(call_site, ptr, bytes_req, bytes_alloc, cpu);
insert_caller_stat(call_site, bytes_req, bytes_alloc);
if (insert_alloc_stat(call_site, ptr, bytes_req, bytes_alloc, cpu) ||
insert_caller_stat(call_site, bytes_req, bytes_alloc))
return -1;
total_requested += bytes_req;
total_allocated += bytes_alloc;
@ -222,6 +241,7 @@ static void perf_evsel__process_alloc_event(struct perf_evsel *evsel,
nr_cross_allocs++;
}
nr_allocs++;
return 0;
}
static int ptr_cmp(struct alloc_stat *, struct alloc_stat *);
@ -252,8 +272,8 @@ static struct alloc_stat *search_alloc_stat(unsigned long ptr,
return NULL;
}
static void perf_evsel__process_free_event(struct perf_evsel *evsel,
struct perf_sample *sample)
static int perf_evsel__process_free_event(struct perf_evsel *evsel,
struct perf_sample *sample)
{
unsigned long ptr = raw_field_value(evsel->tp_format, "ptr",
sample->raw_data);
@ -261,44 +281,46 @@ static void perf_evsel__process_free_event(struct perf_evsel *evsel,
s_alloc = search_alloc_stat(ptr, 0, &root_alloc_stat, ptr_cmp);
if (!s_alloc)
return;
return 0;
if ((short)sample->cpu != s_alloc->alloc_cpu) {
s_alloc->pingpong++;
s_caller = search_alloc_stat(0, s_alloc->call_site,
&root_caller_stat, callsite_cmp);
assert(s_caller);
if (!s_caller)
return -1;
s_caller->pingpong++;
}
s_alloc->alloc_cpu = -1;
return 0;
}
static void perf_evsel__process_kmem_event(struct perf_evsel *evsel,
struct perf_sample *sample)
static int perf_evsel__process_kmem_event(struct perf_evsel *evsel,
struct perf_sample *sample)
{
struct event_format *event = evsel->tp_format;
if (!strcmp(event->name, "kmalloc") ||
!strcmp(event->name, "kmem_cache_alloc")) {
perf_evsel__process_alloc_event(evsel, sample, 0);
return;
return perf_evsel__process_alloc_event(evsel, sample, 0);
}
if (!strcmp(event->name, "kmalloc_node") ||
!strcmp(event->name, "kmem_cache_alloc_node")) {
perf_evsel__process_alloc_event(evsel, sample, 1);
return;
return perf_evsel__process_alloc_event(evsel, sample, 1);
}
if (!strcmp(event->name, "kfree") ||
!strcmp(event->name, "kmem_cache_free")) {
perf_evsel__process_free_event(evsel, sample);
return;
return perf_evsel__process_free_event(evsel, sample);
}
return 0;
}
static int process_sample_event(struct perf_tool *tool __used,
static int process_sample_event(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample,
struct perf_evsel *evsel,
@ -314,8 +336,7 @@ static int process_sample_event(struct perf_tool *tool __used,
dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid);
perf_evsel__process_kmem_event(evsel, sample);
return 0;
return perf_evsel__process_kmem_event(evsel, sample);
}
static struct perf_tool perf_kmem = {
@ -613,8 +634,10 @@ static int sort_dimension__add(const char *tok, struct list_head *list)
for (i = 0; i < NUM_AVAIL_SORTS; i++) {
if (!strcmp(avail_sorts[i]->name, tok)) {
sort = malloc(sizeof(*sort));
if (!sort)
die("malloc");
if (!sort) {
pr_err("%s: malloc failed\n", __func__);
return -1;
}
memcpy(sort, avail_sorts[i], sizeof(*sort));
list_add_tail(&sort->list, list);
return 0;
@ -629,8 +652,10 @@ static int setup_sorting(struct list_head *sort_list, const char *arg)
char *tok;
char *str = strdup(arg);
if (!str)
die("strdup");
if (!str) {
pr_err("%s: strdup failed\n", __func__);
return -1;
}
while (true) {
tok = strsep(&str, ",");
@ -647,8 +672,8 @@ static int setup_sorting(struct list_head *sort_list, const char *arg)
return 0;
}
static int parse_sort_opt(const struct option *opt __used,
const char *arg, int unset __used)
static int parse_sort_opt(const struct option *opt __maybe_unused,
const char *arg, int unset __maybe_unused)
{
if (!arg)
return -1;
@ -661,22 +686,24 @@ static int parse_sort_opt(const struct option *opt __used,
return 0;
}
static int parse_caller_opt(const struct option *opt __used,
const char *arg __used, int unset __used)
static int parse_caller_opt(const struct option *opt __maybe_unused,
const char *arg __maybe_unused,
int unset __maybe_unused)
{
caller_flag = (alloc_flag + 1);
return 0;
}
static int parse_alloc_opt(const struct option *opt __used,
const char *arg __used, int unset __used)
static int parse_alloc_opt(const struct option *opt __maybe_unused,
const char *arg __maybe_unused,
int unset __maybe_unused)
{
alloc_flag = (caller_flag + 1);
return 0;
}
static int parse_line_opt(const struct option *opt __used,
const char *arg, int unset __used)
static int parse_line_opt(const struct option *opt __maybe_unused,
const char *arg, int unset __maybe_unused)
{
int lines;
@ -746,7 +773,7 @@ static int __cmd_record(int argc, const char **argv)
return cmd_record(i, rec_argv, NULL);
}
int cmd_kmem(int argc, const char **argv, const char *prefix __used)
int cmd_kmem(int argc, const char **argv, const char *prefix __maybe_unused)
{
argc = parse_options(argc, argv, kmem_options, kmem_usage, 0);
@ -758,7 +785,8 @@ int cmd_kmem(int argc, const char **argv, const char *prefix __used)
if (!strncmp(argv[0], "rec", 3)) {
return __cmd_record(argc, argv);
} else if (!strcmp(argv[0], "stat")) {
setup_cpunode_map();
if (setup_cpunode_map())
return -1;
if (list_empty(&caller_sort))
setup_sorting(&caller_sort, default_sort_order);

2
tools/perf/builtin-kvm.c
View File

@ -102,7 +102,7 @@ static int __cmd_buildid_list(int argc, const char **argv)
return cmd_buildid_list(i, rec_argv, NULL);
}
int cmd_kvm(int argc, const char **argv, const char *prefix __used)
int cmd_kvm(int argc, const char **argv, const char *prefix __maybe_unused)
{
perf_host = 0;
perf_guest = 1;

2
tools/perf/builtin-list.c
View File

@ -14,7 +14,7 @@
#include "util/parse-events.h"
#include "util/cache.h"
int cmd_list(int argc, const char **argv, const char *prefix __used)
int cmd_list(int argc, const char **argv, const char *prefix __maybe_unused)
{
setup_pager();

4
tools/perf/builtin-lock.c
View File

@ -870,7 +870,7 @@ static int dump_info(void)
return rc;
}
static int process_sample_event(struct perf_tool *tool __used,
static int process_sample_event(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample,
struct perf_evsel *evsel,
@ -1020,7 +1020,7 @@ static int __cmd_record(int argc, const char **argv)
return cmd_record(i, rec_argv, NULL);
}
int cmd_lock(int argc, const char **argv, const char *prefix __used)
int cmd_lock(int argc, const char **argv, const char *prefix __maybe_unused)
{
unsigned int i;
int rc = 0;

24
tools/perf/builtin-probe.c
View File

@ -143,8 +143,8 @@ static int parse_probe_event_argv(int argc, const char **argv)
return ret;
}
static int opt_add_probe_event(const struct option *opt __used,
const char *str, int unset __used)
static int opt_add_probe_event(const struct option *opt __maybe_unused,
const char *str, int unset __maybe_unused)
{
if (str) {
params.mod_events = true;
@ -153,8 +153,8 @@ static int opt_add_probe_event(const struct option *opt __used,
return 0;
}
static int opt_del_probe_event(const struct option *opt __used,
const char *str, int unset __used)
static int opt_del_probe_event(const struct option *opt __maybe_unused,
const char *str, int unset __maybe_unused)
{
if (str) {
params.mod_events = true;
@ -166,7 +166,7 @@ static int opt_del_probe_event(const struct option *opt __used,
}
static int opt_set_target(const struct option *opt, const char *str,
int unset __used)
int unset __maybe_unused)
{
int ret = -ENOENT;
@ -188,8 +188,8 @@ static int opt_set_target(const struct option *opt, const char *str,
}
#ifdef DWARF_SUPPORT
static int opt_show_lines(const struct option *opt __used,
const char *str, int unset __used)
static int opt_show_lines(const struct option *opt __maybe_unused,
const char *str, int unset __maybe_unused)
{
int ret = 0;
@ -209,8 +209,8 @@ static int opt_show_lines(const struct option *opt __used,
return ret;
}
static int opt_show_vars(const struct option *opt __used,
const char *str, int unset __used)
static int opt_show_vars(const struct option *opt __maybe_unused,
const char *str, int unset __maybe_unused)
{
struct perf_probe_event *pev = &params.events[params.nevents];
int ret;
@ -229,8 +229,8 @@ static int opt_show_vars(const struct option *opt __used,
}
#endif
static int opt_set_filter(const struct option *opt __used,
const char *str, int unset __used)
static int opt_set_filter(const struct option *opt __maybe_unused,
const char *str, int unset __maybe_unused)
{
const char *err;
@ -327,7 +327,7 @@ static const struct option options[] = {
OPT_END()
};
int cmd_probe(int argc, const char **argv, const char *prefix __used)
int cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused)
{
int ret;

10
tools/perf/builtin-record.c
View File

@ -92,8 +92,8 @@ static int write_output(struct perf_record *rec, void *buf, size_t size)
static int process_synthesized_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample __used,
struct machine *machine __used)
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
struct perf_record *rec = container_of(tool, struct perf_record, tool);
if (write_output(rec, event, event->header.size) < 0)
@ -159,7 +159,7 @@ static void sig_handler(int sig)
signr = sig;
}
static void perf_record__sig_exit(int exit_status __used, void *arg)
static void perf_record__sig_exit(int exit_status __maybe_unused, void *arg)
{
struct perf_record *rec = arg;
int status;
@ -827,7 +827,7 @@ static int get_stack_size(char *str, unsigned long *_size)
#endif /* !NO_LIBUNWIND_SUPPORT */
static int
parse_callchain_opt(const struct option *opt __used, const char *arg,
parse_callchain_opt(const struct option *opt __maybe_unused, const char *arg,
int unset)
{
struct perf_record *rec = (struct perf_record *)opt->value;
@ -1003,7 +1003,7 @@ const struct option record_options[] = {
OPT_END()
};
int cmd_record(int argc, const char **argv, const char *prefix __used)
int cmd_record(int argc, const char **argv, const char *prefix __maybe_unused)
{
int err = -ENOMEM;
struct perf_evsel *pos;

11
tools/perf/builtin-report.c
View File

@ -223,9 +223,9 @@ static int process_sample_event(struct perf_tool *tool,
static int process_read_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample __used,
struct perf_sample *sample __maybe_unused,
struct perf_evsel *evsel,
struct machine *machine __used)
struct machine *machine __maybe_unused)
{
struct perf_report *rep = container_of(tool, struct perf_report, tool);
@ -287,7 +287,7 @@ static int perf_report__setup_sample_type(struct perf_report *rep)
extern volatile int session_done;
static void sig_handler(int sig __used)
static void sig_handler(int sig __maybe_unused)
{
session_done = 1;
}
@ -533,13 +533,14 @@ parse_callchain_opt(const struct option *opt, const char *arg, int unset)
}
static int
parse_branch_mode(const struct option *opt __used, const char *str __used, int unset)
parse_branch_mode(const struct option *opt __maybe_unused,
const char *str __maybe_unused, int unset)
{
sort__branch_mode = !unset;
return 0;
}
int cmd_report(int argc, const char **argv, const char *prefix __used)
int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
{
struct perf_session *session;
struct stat st;

1456
tools/perf/builtin-sched.c
View File

File diff suppressed because it is too large Load Diff

29
tools/perf/builtin-script.c
View File

@ -430,9 +430,9 @@ static void process_event(union perf_event *event, struct perf_sample *sample,
printf("\n");
}
static int default_start_script(const char *script __unused,
int argc __unused,
const char **argv __unused)
static int default_start_script(const char *script __maybe_unused,
int argc __maybe_unused,
const char **argv __maybe_unused)
{
return 0;
}
@ -442,8 +442,8 @@ static int default_stop_script(void)
return 0;
}
static int default_generate_script(struct pevent *pevent __unused,
const char *outfile __unused)
static int default_generate_script(struct pevent *pevent __maybe_unused,
const char *outfile __maybe_unused)
{
return 0;
}
@ -474,7 +474,7 @@ static int cleanup_scripting(void)
static const char *input_name;
static int process_sample_event(struct perf_tool *tool __used,
static int process_sample_event(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample,
struct perf_evsel *evsel,
@ -534,7 +534,7 @@ static struct perf_tool perf_script = {
extern volatile int session_done;
static void sig_handler(int sig __unused)
static void sig_handler(int sig __maybe_unused)
{
session_done = 1;
}
@ -644,8 +644,8 @@ static void list_available_languages(void)
fprintf(stderr, "\n");
}
static int parse_scriptname(const struct option *opt __used,
const char *str, int unset __used)
static int parse_scriptname(const struct option *opt __maybe_unused,
const char *str, int unset __maybe_unused)
{
char spec[PATH_MAX];
const char *script, *ext;
@ -690,8 +690,8 @@ static int parse_scriptname(const struct option *opt __used,
return 0;
}
static int parse_output_fields(const struct option *opt __used,
const char *arg, int unset __used)
static int parse_output_fields(const struct option *opt __maybe_unused,
const char *arg, int unset __maybe_unused)
{
char *tok;
int i, imax = sizeof(all_output_options) / sizeof(struct output_option);
@ -982,8 +982,9 @@ static char *get_script_root(struct dirent *script_dirent, const char *suffix)
return script_root;
}
static int list_available_scripts(const struct option *opt __used,
const char *s __used, int unset __used)
static int list_available_scripts(const struct option *opt __maybe_unused,
const char *s __maybe_unused,
int unset __maybe_unused)
{
struct dirent *script_next, *lang_next, script_dirent, lang_dirent;
char scripts_path[MAXPATHLEN];
@ -1172,7 +1173,7 @@ static int have_cmd(int argc, const char **argv)
return 0;
}
int cmd_script(int argc, const char **argv, const char *prefix __used)
int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
{
char *rec_script_path = NULL;
char *rep_script_path = NULL;

40
tools/perf/builtin-stat.c
View File

@ -417,7 +417,7 @@ static int read_counter(struct perf_evsel *counter)
return 0;
}
static int run_perf_stat(int argc __used, const char **argv)
static int run_perf_stat(int argc __maybe_unused, const char **argv)
{
unsigned long long t0, t1;
struct perf_evsel *counter, *first;
@ -634,7 +634,9 @@ static const char *get_ratio_color(enum grc_type type, double ratio)
return color;
}
static void print_stalled_cycles_frontend(int cpu, struct perf_evsel *evsel __used, double avg)
static void print_stalled_cycles_frontend(int cpu,
struct perf_evsel *evsel
__maybe_unused, double avg)
{
double total, ratio = 0.0;
const char *color;
@ -651,7 +653,9 @@ static void print_stalled_cycles_frontend(int cpu, struct perf_evsel *evsel __us
fprintf(output, " frontend cycles idle ");
}
static void print_stalled_cycles_backend(int cpu, struct perf_evsel *evsel __used, double avg)
static void print_stalled_cycles_backend(int cpu,
struct perf_evsel *evsel
__maybe_unused, double avg)
{
double total, ratio = 0.0;
const char *color;
@ -668,7 +672,9 @@ static void print_stalled_cycles_backend(int cpu, struct perf_evsel *evsel __use
fprintf(output, " backend cycles idle ");
}
static void print_branch_misses(int cpu, struct perf_evsel *evsel __used, double avg)
static void print_branch_misses(int cpu,
struct perf_evsel *evsel __maybe_unused,
double avg)
{
double total, ratio = 0.0;
const char *color;
@ -685,7 +691,9 @@ static void print_branch_misses(int cpu, struct perf_evsel *evsel __used, double
fprintf(output, " of all branches ");
}
static void print_l1_dcache_misses(int cpu, struct perf_evsel *evsel __used, double avg)
static void print_l1_dcache_misses(int cpu,
struct perf_evsel *evsel __maybe_unused,
double avg)
{
double total, ratio = 0.0;
const char *color;
@ -702,7 +710,9 @@ static void print_l1_dcache_misses(int cpu, struct perf_evsel *evsel __used, dou
fprintf(output, " of all L1-dcache hits ");
}
static void print_l1_icache_misses(int cpu, struct perf_evsel *evsel __used, double avg)
static void print_l1_icache_misses(int cpu,
struct perf_evsel *evsel __maybe_unused,
double avg)
{
double total, ratio = 0.0;
const char *color;
@ -719,7 +729,9 @@ static void print_l1_icache_misses(int cpu, struct perf_evsel *evsel __used, dou
fprintf(output, " of all L1-icache hits ");
}
static void print_dtlb_cache_misses(int cpu, struct perf_evsel *evsel __used, double avg)
static void print_dtlb_cache_misses(int cpu,
struct perf_evsel *evsel __maybe_unused,
double avg)
{
double total, ratio = 0.0;
const char *color;
@ -736,7 +748,9 @@ static void print_dtlb_cache_misses(int cpu, struct perf_evsel *evsel __used, do
fprintf(output, " of all dTLB cache hits ");
}
static void print_itlb_cache_misses(int cpu, struct perf_evsel *evsel __used, double avg)
static void print_itlb_cache_misses(int cpu,
struct perf_evsel *evsel __maybe_unused,
double avg)
{
double total, ratio = 0.0;
const char *color;
@ -753,7 +767,9 @@ static void print_itlb_cache_misses(int cpu, struct perf_evsel *evsel __used, do
fprintf(output, " of all iTLB cache hits ");
}
static void print_ll_cache_misses(int cpu, struct perf_evsel *evsel __used, double avg)
static void print_ll_cache_misses(int cpu,
struct perf_evsel *evsel __maybe_unused,
double avg)
{
double total, ratio = 0.0;
const char *color;
@ -1059,8 +1075,8 @@ static const char * const stat_usage[] = {
NULL
};
static int stat__set_big_num(const struct option *opt __used,
const char *s __used, int unset)
static int stat__set_big_num(const struct option *opt __maybe_unused,
const char *s __maybe_unused, int unset)
{
big_num_opt = unset ? 0 : 1;
return 0;
@ -1154,7 +1170,7 @@ static int add_default_attributes(void)
return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs);
}
int cmd_stat(int argc, const char **argv, const char *prefix __used)
int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused)
{
struct perf_evsel *pos;
int status = -ENOMEM;

23
tools/perf/builtin-test.c
View File

@ -18,7 +18,8 @@
#include <sys/mman.h>
static int vmlinux_matches_kallsyms_filter(struct map *map __used, struct symbol *sym)
static int vmlinux_matches_kallsyms_filter(struct map *map __maybe_unused,
struct symbol *sym)
{
bool *visited = symbol__priv(sym);
*visited = true;
@ -996,7 +997,9 @@ static u64 mmap_read_self(void *addr)
/*
* If the RDPMC instruction faults then signal this back to the test parent task:
*/
static void segfault_handler(int sig __used, siginfo_t *info __used, void *uc __used)
static void segfault_handler(int sig __maybe_unused,
siginfo_t *info __maybe_unused,
void *uc __maybe_unused)
{
exit(-1);
}
@ -1023,14 +1026,16 @@ static int __test__rdpmc(void)
fd = sys_perf_event_open(&attr, 0, -1, -1, 0);
if (fd < 0) {
die("Error: sys_perf_event_open() syscall returned "
"with %d (%s)\n", fd, strerror(errno));
pr_debug("Error: sys_perf_event_open() syscall returned "
"with %d (%s)\n", fd, strerror(errno));
return -1;
}
addr = mmap(NULL, page_size, PROT_READ, MAP_SHARED, fd, 0);
if (addr == (void *)(-1)) {
die("Error: mmap() syscall returned "
"with (%s)\n", strerror(errno));
pr_debug("Error: mmap() syscall returned with (%s)\n",
strerror(errno));
goto out_close;
}
for (n = 0; n < 6; n++) {
@ -1051,9 +1056,9 @@ static int __test__rdpmc(void)
}
munmap(addr, page_size);
close(fd);
pr_debug(" ");
out_close:
close(fd);
if (!delta_sum)
return -1;
@ -1313,7 +1318,7 @@ static int perf_test__list(int argc, const char **argv)
return 0;
}
int cmd_test(int argc, const char **argv, const char *prefix __used)
int cmd_test(int argc, const char **argv, const char *prefix __maybe_unused)
{
const char * const test_usage[] = {
"perf test [<options>] [{list <test-name-fragment>|[<test-name-fragments>|<test-numbers>]}]",

30
tools/perf/builtin-timechart.c
View File

@ -275,28 +275,28 @@ static int cpus_cstate_state[MAX_CPUS];
static u64 cpus_pstate_start_times[MAX_CPUS];
static u64 cpus_pstate_state[MAX_CPUS];
static int process_comm_event(struct perf_tool *tool __used,
static int process_comm_event(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample __used,
struct machine *machine __used)
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
pid_set_comm(event->comm.tid, event->comm.comm);
return 0;
}
static int process_fork_event(struct perf_tool *tool __used,
static int process_fork_event(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample __used,
struct machine *machine __used)
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
pid_fork(event->fork.pid, event->fork.ppid, event->fork.time);
return 0;
}
static int process_exit_event(struct perf_tool *tool __used,
static int process_exit_event(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample __used,
struct machine *machine __used)
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
pid_exit(event->fork.pid, event->fork.time);
return 0;
@ -491,11 +491,11 @@ static void sched_switch(int cpu, u64 timestamp, struct trace_entry *te)
}
static int process_sample_event(struct perf_tool *tool __used,
union perf_event *event __used,
static int process_sample_event(struct perf_tool *tool __maybe_unused,
union perf_event *event __maybe_unused,
struct perf_sample *sample,
struct perf_evsel *evsel,
struct machine *machine __used)
struct machine *machine __maybe_unused)
{
struct trace_entry *te;
@ -1081,7 +1081,8 @@ static int __cmd_record(int argc, const char **argv)
}
static int
parse_process(const struct option *opt __used, const char *arg, int __used unset)
parse_process(const struct option *opt __maybe_unused, const char *arg,
int __maybe_unused unset)
{
if (arg)
add_process_filter(arg);
@ -1106,7 +1107,8 @@ static const struct option options[] = {
};
int cmd_timechart(int argc, const char **argv, const char *prefix __used)
int cmd_timechart(int argc, const char **argv,
const char *prefix __maybe_unused)
{
argc = parse_options(argc, argv, options, timechart_usage,
PARSE_OPT_STOP_AT_NON_OPTION);

7
tools/perf/builtin-top.c
View File

@ -95,7 +95,8 @@ static void perf_top__update_print_entries(struct perf_top *top)
top->print_entries -= 9;
}
static void perf_top__sig_winch(int sig __used, siginfo_t *info __used, void *arg)
static void perf_top__sig_winch(int sig __maybe_unused,
siginfo_t *info __maybe_unused, void *arg)
{
struct perf_top *top = arg;
@ -663,7 +664,7 @@ static const char *skip_symbols[] = {
NULL
};
static int symbol_filter(struct map *map __used, struct symbol *sym)
static int symbol_filter(struct map *map __maybe_unused, struct symbol *sym)
{
const char *name = sym->name;
int i;
@ -1163,7 +1164,7 @@ static const char * const top_usage[] = {
NULL
};
int cmd_top(int argc, const char **argv, const char *prefix __used)
int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused)
{
struct perf_evsel *pos;
int status;

7
tools/perf/ui/browser.c
View File

@ -269,7 +269,7 @@ int ui_browser__show(struct ui_browser *browser, const char *title,
return err ? 0 : -1;
}
void ui_browser__hide(struct ui_browser *browser __used)
void ui_browser__hide(struct ui_browser *browser __maybe_unused)
{
pthread_mutex_lock(&ui__lock);
ui_helpline__pop();
@ -518,7 +518,7 @@ static struct ui_browser__colorset {
static int ui_browser__color_config(const char *var, const char *value,
void *data __used)
void *data __maybe_unused)
{
char *fg = NULL, *bg;
int i;
@ -602,7 +602,8 @@ void __ui_browser__vline(struct ui_browser *browser, unsigned int column,
SLsmg_set_char_set(0);
}
void ui_browser__write_graph(struct ui_browser *browser __used, int graph)
void ui_browser__write_graph(struct ui_browser *browser __maybe_unused,
int graph)
{
SLsmg_set_char_set(1);
SLsmg_write_char(graph);

6
tools/perf/ui/browsers/annotate.c
View File

@ -54,7 +54,8 @@ static inline struct browser_disasm_line *disasm_line__browser(struct disasm_lin
return (struct browser_disasm_line *)(dl + 1);
}
static bool disasm_line__filter(struct ui_browser *browser __used, void *entry)
static bool disasm_line__filter(struct ui_browser *browser __maybe_unused,
void *entry)
{
if (annotate_browser__opts.hide_src_code) {
struct disasm_line *dl = list_entry(entry, struct disasm_line, node);
@ -928,7 +929,8 @@ static int annotate_config__cmp(const void *name, const void *cfgp)
return strcmp(name, cfg->name);
}
static int annotate__config(const char *var, const char *value, void *data __used)
static int annotate__config(const char *var, const char *value,
void *data __maybe_unused)
{
struct annotate__config *cfg;
const char *name;

5
tools/perf/ui/gtk/browser.c
View File

@ -237,8 +237,9 @@ static GtkWidget *perf_gtk__setup_statusbar(void)
int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist,
const char *help,
void (*timer) (void *arg)__used,
void *arg __used, int delay_secs __used)
void (*timer) (void *arg)__maybe_unused,
void *arg __maybe_unused,
int delay_secs __maybe_unused)
{
struct perf_evsel *pos;
GtkWidget *vbox;

2
tools/perf/ui/gtk/setup.c
View File

@ -12,7 +12,7 @@ int perf_gtk__init(void)
return gtk_init_check(NULL, NULL) ? 0 : -1;
}
void perf_gtk__exit(bool wait_for_ok __used)
void perf_gtk__exit(bool wait_for_ok __maybe_unused)
{
if (!perf_gtk__is_active_context(pgctx))
return;

4
tools/perf/ui/gtk/util.c
View File

@ -117,8 +117,8 @@ struct perf_error_ops perf_gtk_eops = {
* For now, just add stubs for NO_NEWT=1 build.
*/
#ifdef NO_NEWT_SUPPORT
void ui_progress__update(u64 curr __used, u64 total __used,
const char *title __used)
void ui_progress__update(u64 curr __maybe_unused, u64 total __maybe_unused,
const char *title __maybe_unused)
{
}
#endif

2
tools/perf/ui/helpline.c
View File

@ -12,7 +12,7 @@ static void nop_helpline__pop(void)
{
}
static void nop_helpline__push(const char *msg __used)
static void nop_helpline__push(const char *msg __maybe_unused)
{
}

8
tools/perf/ui/helpline.h
View File

@ -24,8 +24,8 @@ void ui_helpline__puts(const char *msg);
extern char ui_helpline__current[512];
#ifdef NO_NEWT_SUPPORT
static inline int ui_helpline__show_help(const char *format __used,
va_list ap __used)
static inline int ui_helpline__show_help(const char *format __maybe_unused,
va_list ap __maybe_unused)
{
return 0;
}
@ -35,8 +35,8 @@ int ui_helpline__show_help(const char *format, va_list ap);
#endif /* NO_NEWT_SUPPORT */
#ifdef NO_GTK2_SUPPORT
static inline int perf_gtk__show_helpline(const char *format __used,
va_list ap __used)
static inline int perf_gtk__show_helpline(const char *format __maybe_unused,
va_list ap __maybe_unused)
{
return 0;
}

21
tools/perf/ui/hist.c
View File

@ -13,7 +13,7 @@ static int hpp__header_overhead(struct perf_hpp *hpp)
return scnprintf(hpp->buf, hpp->size, fmt);
}
static int hpp__width_overhead(struct perf_hpp *hpp __used)
static int hpp__width_overhead(struct perf_hpp *hpp __maybe_unused)
{
return 8;
}
@ -62,7 +62,7 @@ static int hpp__header_overhead_sys(struct perf_hpp *hpp)
return scnprintf(hpp->buf, hpp->size, fmt, "sys");
}
static int hpp__width_overhead_sys(struct perf_hpp *hpp __used)
static int hpp__width_overhead_sys(struct perf_hpp *hpp __maybe_unused)
{
return 6;
}
@ -88,7 +88,7 @@ static int hpp__header_overhead_us(struct perf_hpp *hpp)
return scnprintf(hpp->buf, hpp->size, fmt, "user");
}
static int hpp__width_overhead_us(struct perf_hpp *hpp __used)
static int hpp__width_overhead_us(struct perf_hpp *hpp __maybe_unused)
{
return 6;
}
@ -112,7 +112,7 @@ static int hpp__header_overhead_guest_sys(struct perf_hpp *hpp)
return scnprintf(hpp->buf, hpp->size, "guest sys");
}
static int hpp__width_overhead_guest_sys(struct perf_hpp *hpp __used)
static int hpp__width_overhead_guest_sys(struct perf_hpp *hpp __maybe_unused)
{
return 9;
}
@ -138,7 +138,7 @@ static int hpp__header_overhead_guest_us(struct perf_hpp *hpp)
return scnprintf(hpp->buf, hpp->size, "guest usr");
}
static int hpp__width_overhead_guest_us(struct perf_hpp *hpp __used)
static int hpp__width_overhead_guest_us(struct perf_hpp *hpp __maybe_unused)
{
return 9;
}
@ -166,7 +166,7 @@ static int hpp__header_samples(struct perf_hpp *hpp)
return scnprintf(hpp->buf, hpp->size, fmt, "Samples");
}
static int hpp__width_samples(struct perf_hpp *hpp __used)
static int hpp__width_samples(struct perf_hpp *hpp __maybe_unused)
{
return 11;
}
@ -185,7 +185,7 @@ static int hpp__header_period(struct perf_hpp *hpp)
return scnprintf(hpp->buf, hpp->size, fmt, "Period");
}
static int hpp__width_period(struct perf_hpp *hpp __used)
static int hpp__width_period(struct perf_hpp *hpp __maybe_unused)
{
return 12;
}
@ -204,7 +204,7 @@ static int hpp__header_delta(struct perf_hpp *hpp)
return scnprintf(hpp->buf, hpp->size, fmt, "Delta");
}
static int hpp__width_delta(struct perf_hpp *hpp __used)
static int hpp__width_delta(struct perf_hpp *hpp __maybe_unused)
{
return 7;
}
@ -238,12 +238,13 @@ static int hpp__header_displ(struct perf_hpp *hpp)
return scnprintf(hpp->buf, hpp->size, "Displ.");
}
static int hpp__width_displ(struct perf_hpp *hpp __used)
static int hpp__width_displ(struct perf_hpp *hpp __maybe_unused)
{
return 6;
}
static int hpp__entry_displ(struct perf_hpp *hpp, struct hist_entry *he __used)
static int hpp__entry_displ(struct perf_hpp *hpp,
struct hist_entry *he __maybe_unused)
{
const char *fmt = symbol_conf.field_sep ? "%s" : "%6.6s";
char buf[32] = " ";

4
tools/perf/ui/tui/setup.c
View File

@ -28,7 +28,7 @@ void ui__refresh_dimensions(bool force)
}
}
static void ui__sigwinch(int sig __used)
static void ui__sigwinch(int sig __maybe_unused)
{
ui__need_resize = 1;
}
@ -88,7 +88,7 @@ int ui__getch(int delay_secs)
return SLkp_getkey();
}
static void newt_suspend(void *d __used)
static void newt_suspend(void *d __maybe_unused)
{
newtSuspend();
raise(SIGTSTP);

3
tools/perf/util/alias.c
View File

@ -3,7 +3,8 @@
static const char *alias_key;
static char *alias_val;
static int alias_lookup_cb(const char *k, const char *v, void *cb __used)
static int alias_lookup_cb(const char *k, const char *v,
void *cb __maybe_unused)
{
if (!prefixcmp(k, "alias.") && !strcmp(k+6, alias_key)) {
if (!v)

6
tools/perf/util/annotate.c
View File

@ -313,8 +313,8 @@ static struct ins_ops dec_ops = {
.scnprintf = dec__scnprintf,
};
static int nop__scnprintf(struct ins *ins __used, char *bf, size_t size,
struct ins_operands *ops __used)
static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size,
struct ins_operands *ops __maybe_unused)
{
return scnprintf(bf, size, "%-6.6s", "nop");
}
@ -416,7 +416,7 @@ static struct ins *ins__find(const char *name)
return bsearch(name, instructions, nmemb, sizeof(struct ins), ins__cmp);
}
int symbol__annotate_init(struct map *map __used, struct symbol *sym)
int symbol__annotate_init(struct map *map __maybe_unused, struct symbol *sym)
{
struct annotation *notes = symbol__annotation(sym);
pthread_mutex_init(&notes->lock, NULL);

13
tools/perf/util/annotate.h
View File

@ -126,7 +126,7 @@ int symbol__alloc_hist(struct symbol *sym);
void symbol__annotate_zero_histograms(struct symbol *sym);
int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize);
int symbol__annotate_init(struct map *map __used, struct symbol *sym);
int symbol__annotate_init(struct map *map __maybe_unused, struct symbol *sym);
int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx,
bool full_paths, int min_pcnt, int max_lines,
int context);
@ -139,11 +139,12 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
int max_lines);
#ifdef NO_NEWT_SUPPORT
static inline int symbol__tui_annotate(struct symbol *sym __used,
struct map *map __used,
int evidx __used,
void(*timer)(void *arg) __used,
void *arg __used, int delay_secs __used)
static inline int symbol__tui_annotate(struct symbol *sym __maybe_unused,
struct map *map __maybe_unused,
int evidx __maybe_unused,
void(*timer)(void *arg) __maybe_unused,
void *arg __maybe_unused,
int delay_secs __maybe_unused)
{
return 0;
}

11
tools/perf/util/build-id.c
View File

@ -16,10 +16,10 @@
#include "session.h"
#include "tool.h"
static int build_id__mark_dso_hit(struct perf_tool *tool __used,
static int build_id__mark_dso_hit(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample __used,
struct perf_evsel *evsel __used,
struct perf_sample *sample __maybe_unused,
struct perf_evsel *evsel __maybe_unused,
struct machine *machine)
{
struct addr_location al;
@ -41,9 +41,10 @@ static int build_id__mark_dso_hit(struct perf_tool *tool __used,
return 0;
}
static int perf_event__exit_del_thread(struct perf_tool *tool __used,
static int perf_event__exit_del_thread(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample __used,
struct perf_sample *sample
__maybe_unused,
struct machine *machine)
{
struct thread *thread = machine__findnew_thread(machine, event->fork.tid);

6
tools/perf/util/cache.h
View File

@ -39,7 +39,7 @@ static inline void setup_browser(bool fallback_to_pager)
if (fallback_to_pager)
setup_pager();
}
static inline void exit_browser(bool wait_for_ok __used) {}
static inline void exit_browser(bool wait_for_ok __maybe_unused) {}
#else
void setup_browser(bool fallback_to_pager);
void exit_browser(bool wait_for_ok);
@ -49,7 +49,7 @@ static inline int ui__init(void)
{
return -1;
}
static inline void ui__exit(bool wait_for_ok __used) {}
static inline void ui__exit(bool wait_for_ok __maybe_unused) {}
#else
int ui__init(void);
void ui__exit(bool wait_for_ok);
@ -60,7 +60,7 @@ static inline int perf_gtk__init(void)
{
return -1;
}
static inline void perf_gtk__exit(bool wait_for_ok __used) {}
static inline void perf_gtk__exit(bool wait_for_ok __maybe_unused) {}
#else
int perf_gtk__init(void);
void perf_gtk__exit(bool wait_for_ok);

6
tools/perf/util/callchain.c
View File

@ -93,7 +93,7 @@ __sort_chain_flat(struct rb_root *rb_root, struct callchain_node *node,
*/
static void
sort_chain_flat(struct rb_root *rb_root, struct callchain_root *root,
u64 min_hit, struct callchain_param *param __used)
u64 min_hit, struct callchain_param *param __maybe_unused)
{
__sort_chain_flat(rb_root, &root->node, min_hit);
}
@ -115,7 +115,7 @@ static void __sort_chain_graph_abs(struct callchain_node *node,
static void
sort_chain_graph_abs(struct rb_root *rb_root, struct callchain_root *chain_root,
u64 min_hit, struct callchain_param *param __used)
u64 min_hit, struct callchain_param *param __maybe_unused)
{
__sort_chain_graph_abs(&chain_root->node, min_hit);
rb_root->rb_node = chain_root->node.rb_root.rb_node;
@ -140,7 +140,7 @@ static void __sort_chain_graph_rel(struct callchain_node *node,
static void
sort_chain_graph_rel(struct rb_root *rb_root, struct callchain_root *chain_root,
u64 min_hit __used, struct callchain_param *param)
u64 min_hit __maybe_unused, struct callchain_param *param)
{
__sort_chain_graph_rel(&chain_root->node, param->min_percent / 100.0);
rb_root->rb_node = chain_root->node.rb_root.rb_node;

4
tools/perf/util/cgroup.c
View File

@ -138,8 +138,8 @@ void close_cgroup(struct cgroup_sel *cgrp)
}
}
int parse_cgroups(const struct option *opt __used, const char *str,
int unset __used)
int parse_cgroups(const struct option *opt __maybe_unused, const char *str,
int unset __maybe_unused)
{
struct perf_evlist *evlist = *(struct perf_evlist **)opt->value;
const char *p, *e, *eos = str + strlen(str);

6
tools/perf/util/config.c
View File

@ -342,13 +342,15 @@ const char *perf_config_dirname(const char *name, const char *value)
return value;
}
static int perf_default_core_config(const char *var __used, const char *value __used)
static int perf_default_core_config(const char *var __maybe_unused,
const char *value __maybe_unused)
{
/* Add other config variables here. */
return 0;
}
int perf_default_config(const char *var, const char *value, void *dummy __used)
int perf_default_config(const char *var, const char *value,
void *dummy __maybe_unused)
{
if (!prefixcmp(var, "core."))
return perf_default_core_config(var, value);

9
tools/perf/util/debug.h
View File

@ -16,19 +16,20 @@ struct ui_progress;
struct perf_error_ops;
#if defined(NO_NEWT_SUPPORT) && defined(NO_GTK2_SUPPORT)
static inline void ui_progress__update(u64 curr __used, u64 total __used,
const char *title __used) {}
static inline void ui_progress__update(u64 curr __maybe_unused,
u64 total __maybe_unused,
const char *title __maybe_unused) {}
#define ui__error(format, arg...) ui__warning(format, ##arg)
static inline int
perf_error__register(struct perf_error_ops *eops __used)
perf_error__register(struct perf_error_ops *eops __maybe_unused)
{
return 0;
}
static inline int
perf_error__unregister(struct perf_error_ops *eops __used)
perf_error__unregister(struct perf_error_ops *eops __maybe_unused)
{
return 0;
}

29
tools/perf/util/event.c
View File

@ -112,7 +112,7 @@ static pid_t perf_event__synthesize_comm(struct perf_tool *tool,
event->comm.header.type = PERF_RECORD_COMM;
size = strlen(event->comm.comm) + 1;
size = ALIGN(size, sizeof(u64));
size = PERF_ALIGN(size, sizeof(u64));
memset(event->comm.comm + size, 0, machine->id_hdr_size);
event->comm.header.size = (sizeof(event->comm) -
(sizeof(event->comm.comm) - size) +
@ -145,7 +145,7 @@ static pid_t perf_event__synthesize_comm(struct perf_tool *tool,
sizeof(event->comm.comm));
size = strlen(event->comm.comm) + 1;
size = ALIGN(size, sizeof(u64));
size = PERF_ALIGN(size, sizeof(u64));
memset(event->comm.comm + size, 0, machine->id_hdr_size);
event->comm.header.size = (sizeof(event->comm) -
(sizeof(event->comm.comm) - size) +
@ -228,7 +228,7 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool,
size = strlen(execname);
execname[size - 1] = '\0'; /* Remove \n */
memcpy(event->mmap.filename, execname, size);
size = ALIGN(size, sizeof(u64));
size = PERF_ALIGN(size, sizeof(u64));
event->mmap.len -= event->mmap.start;
event->mmap.header.size = (sizeof(event->mmap) -
(sizeof(event->mmap.filename) - size));
@ -282,7 +282,7 @@ int perf_event__synthesize_modules(struct perf_tool *tool,
if (pos->dso->kernel)
continue;
size = ALIGN(pos->dso->long_name_len + 1, sizeof(u64));
size = PERF_ALIGN(pos->dso->long_name_len + 1, sizeof(u64));
event->mmap.header.type = PERF_RECORD_MMAP;
event->mmap.header.size = (sizeof(event->mmap) -
(sizeof(event->mmap.filename) - size));
@ -494,7 +494,7 @@ int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
map = machine->vmlinux_maps[MAP__FUNCTION];
size = snprintf(event->mmap.filename, sizeof(event->mmap.filename),
"%s%s", mmap_name, symbol_name) + 1;
size = ALIGN(size, sizeof(u64));
size = PERF_ALIGN(size, sizeof(u64));
event->mmap.header.type = PERF_RECORD_MMAP;
event->mmap.header.size = (sizeof(event->mmap) -
(sizeof(event->mmap.filename) - size) + machine->id_hdr_size);
@ -514,9 +514,9 @@ size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp)
return fprintf(fp, ": %s:%d\n", event->comm.comm, event->comm.tid);
}
int perf_event__process_comm(struct perf_tool *tool __used,
int perf_event__process_comm(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample __used,
struct perf_sample *sample __maybe_unused,
struct machine *machine)
{
struct thread *thread = machine__findnew_thread(machine, event->comm.tid);
@ -532,10 +532,10 @@ int perf_event__process_comm(struct perf_tool *tool __used,
return 0;
}
int perf_event__process_lost(struct perf_tool *tool __used,
int perf_event__process_lost(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample __used,
struct machine *machine __used)
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
dump_printf(": id:%" PRIu64 ": lost:%" PRIu64 "\n",
event->lost.id, event->lost.lost);
@ -555,7 +555,8 @@ static void perf_event__set_kernel_mmap_len(union perf_event *event,
maps[MAP__FUNCTION]->end = ~0ULL;
}
static int perf_event__process_kernel_mmap(struct perf_tool *tool __used,
static int perf_event__process_kernel_mmap(struct perf_tool *tool
__maybe_unused,
union perf_event *event,
struct machine *machine)
{
@ -657,7 +658,7 @@ size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp)
int perf_event__process_mmap(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample __used,
struct perf_sample *sample __maybe_unused,
struct machine *machine)
{
struct thread *thread;
@ -701,9 +702,9 @@ size_t perf_event__fprintf_task(union perf_event *event, FILE *fp)
event->fork.ppid, event->fork.ptid);
}
int perf_event__process_task(struct perf_tool *tool __used,
int perf_event__process_task(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample __used,
struct perf_sample *sample __maybe_unused,
struct machine *machine)
{
struct thread *thread = machine__findnew_thread(machine, event->fork.tid);

2
tools/perf/util/event.h
View File

@ -101,7 +101,7 @@ struct perf_sample {
struct build_id_event {
struct perf_event_header header;
pid_t pid;
u8 build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))];
u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
char filename[];
};

35
tools/perf/util/evsel.c
View File

@ -10,6 +10,7 @@
#include <byteswap.h>
#include <linux/bitops.h>
#include "asm/bug.h"
#include "event-parse.h"
#include "evsel.h"
#include "evlist.h"
#include "util.h"
@ -1000,3 +1001,37 @@ int perf_event__synthesize_sample(union perf_event *event, u64 type,
return 0;
}
char *perf_evsel__strval(struct perf_evsel *evsel, struct perf_sample *sample,
const char *name)
{
struct format_field *field = pevent_find_field(evsel->tp_format, name);
int offset;
if (!field)
return NULL;
offset = field->offset;
if (field->flags & FIELD_IS_DYNAMIC) {
offset = *(int *)(sample->raw_data + field->offset);
offset &= 0xffff;
}
return sample->raw_data + offset;
}
u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
const char *name)
{
struct format_field *field = pevent_find_field(evsel->tp_format, name);
u64 val;
if (!field)
return 0;
val = pevent_read_number(evsel->tp_format->pevent,
sample->raw_data + field->offset, field->size);
return val;
}

7
tools/perf/util/evsel.h
View File

@ -120,6 +120,13 @@ int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
struct thread_map *threads);
void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads);
struct perf_sample;
char *perf_evsel__strval(struct perf_evsel *evsel, struct perf_sample *sample,
const char *name);
u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
const char *name);
#define perf_evsel__match(evsel, t, c) \
(evsel->attr.type == PERF_TYPE_##t && \
evsel->attr.config == PERF_COUNT_##c)

177
tools/perf/util/header.c
View File

@ -21,6 +21,7 @@
#include "debug.h"
#include "cpumap.h"
#include "pmu.h"
#include "vdso.h"
static bool no_buildid_cache = false;
@ -129,7 +130,7 @@ static int do_write_string(int fd, const char *str)
int ret;
olen = strlen(str) + 1;
len = ALIGN(olen, NAME_ALIGN);
len = PERF_ALIGN(olen, NAME_ALIGN);
/* write len, incl. \0 */
ret = do_write(fd, &len, sizeof(len));
@ -207,6 +208,29 @@ perf_header__set_cmdline(int argc, const char **argv)
continue; \
else
static int write_buildid(char *name, size_t name_len, u8 *build_id,
pid_t pid, u16 misc, int fd)
{
int err;
struct build_id_event b;
size_t len;
len = name_len + 1;
len = PERF_ALIGN(len, NAME_ALIGN);
memset(&b, 0, sizeof(b));
memcpy(&b.build_id, build_id, BUILD_ID_SIZE);
b.pid = pid;
b.header.misc = misc;
b.header.size = sizeof(b) + len;
err = do_write(fd, &b, sizeof(b));
if (err < 0)
return err;
return write_padded(fd, name, name_len + 1, len);
}
static int __dsos__write_buildid_table(struct list_head *head, pid_t pid,
u16 misc, int fd)
{
@ -214,24 +238,23 @@ static int __dsos__write_buildid_table(struct list_head *head, pid_t pid,
dsos__for_each_with_build_id(pos, head) {
int err;
struct build_id_event b;
size_t len;
char *name;
size_t name_len;
if (!pos->hit)
continue;
len = pos->long_name_len + 1;
len = ALIGN(len, NAME_ALIGN);
memset(&b, 0, sizeof(b));
memcpy(&b.build_id, pos->build_id, sizeof(pos->build_id));
b.pid = pid;
b.header.misc = misc;
b.header.size = sizeof(b) + len;
err = do_write(fd, &b, sizeof(b));
if (err < 0)
return err;
err = write_padded(fd, pos->long_name,
pos->long_name_len + 1, len);
if (err < 0)
if (is_vdso_map(pos->short_name)) {
name = (char *) VDSO__MAP_NAME;
name_len = sizeof(VDSO__MAP_NAME) + 1;
} else {
name = pos->long_name;
name_len = pos->long_name_len + 1;
}
err = write_buildid(name, name_len, pos->build_id,
pid, misc, fd);
if (err)
return err;
}
@ -277,19 +300,20 @@ static int dsos__write_buildid_table(struct perf_header *header, int fd)
}
int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
const char *name, bool is_kallsyms)
const char *name, bool is_kallsyms, bool is_vdso)
{
const size_t size = PATH_MAX;
char *realname, *filename = zalloc(size),
*linkname = zalloc(size), *targetname;
int len, err = -1;
bool slash = is_kallsyms || is_vdso;
if (is_kallsyms) {
if (symbol_conf.kptr_restrict) {
pr_debug("Not caching a kptr_restrict'ed /proc/kallsyms\n");
return 0;
}
realname = (char *)name;
realname = (char *) name;
} else
realname = realpath(name, NULL);
@ -297,7 +321,8 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
goto out_free;
len = scnprintf(filename, size, "%s%s%s",
debugdir, is_kallsyms ? "/" : "", realname);
debugdir, slash ? "/" : "",
is_vdso ? VDSO__MAP_NAME : realname);
if (mkdir_p(filename, 0755))
goto out_free;
@ -333,13 +358,14 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
static int build_id_cache__add_b(const u8 *build_id, size_t build_id_size,
const char *name, const char *debugdir,
bool is_kallsyms)
bool is_kallsyms, bool is_vdso)
{
char sbuild_id[BUILD_ID_SIZE * 2 + 1];
build_id__sprintf(build_id, build_id_size, sbuild_id);
return build_id_cache__add_s(sbuild_id, debugdir, name, is_kallsyms);
return build_id_cache__add_s(sbuild_id, debugdir, name,
is_kallsyms, is_vdso);
}
int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir)
@ -383,9 +409,11 @@ int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir)
static int dso__cache_build_id(struct dso *dso, const char *debugdir)
{
bool is_kallsyms = dso->kernel && dso->long_name[0] != '/';
bool is_vdso = is_vdso_map(dso->short_name);
return build_id_cache__add_b(dso->build_id, sizeof(dso->build_id),
dso->long_name, debugdir, is_kallsyms);
dso->long_name, debugdir,
is_kallsyms, is_vdso);
}
static int __dsos__cache_build_ids(struct list_head *head, const char *debugdir)
@ -447,7 +475,7 @@ static bool perf_session__read_build_ids(struct perf_session *session, bool with
return ret;
}
static int write_tracing_data(int fd, struct perf_header *h __used,
static int write_tracing_data(int fd, struct perf_header *h __maybe_unused,
struct perf_evlist *evlist)
{
return read_tracing_data(fd, &evlist->entries);
@ -455,7 +483,7 @@ static int write_tracing_data(int fd, struct perf_header *h __used,
static int write_build_id(int fd, struct perf_header *h,
struct perf_evlist *evlist __used)
struct perf_evlist *evlist __maybe_unused)
{
struct perf_session *session;
int err;
@ -476,8 +504,8 @@ static int write_build_id(int fd, struct perf_header *h,
return 0;
}
static int write_hostname(int fd, struct perf_header *h __used,
struct perf_evlist *evlist __used)
static int write_hostname(int fd, struct perf_header *h __maybe_unused,
struct perf_evlist *evlist __maybe_unused)
{
struct utsname uts;
int ret;
@ -489,8 +517,8 @@ static int write_hostname(int fd, struct perf_header *h __used,
return do_write_string(fd, uts.nodename);
}
static int write_osrelease(int fd, struct perf_header *h __used,
struct perf_evlist *evlist __used)
static int write_osrelease(int fd, struct perf_header *h __maybe_unused,
struct perf_evlist *evlist __maybe_unused)
{
struct utsname uts;
int ret;
@ -502,8 +530,8 @@ static int write_osrelease(int fd, struct perf_header *h __used,
return do_write_string(fd, uts.release);
}
static int write_arch(int fd, struct perf_header *h __used,
struct perf_evlist *evlist __used)
static int write_arch(int fd, struct perf_header *h __maybe_unused,
struct perf_evlist *evlist __maybe_unused)
{
struct utsname uts;
int ret;
@ -515,14 +543,14 @@ static int write_arch(int fd, struct perf_header *h __used,
return do_write_string(fd, uts.machine);
}
static int write_version(int fd, struct perf_header *h __used,
struct perf_evlist *evlist __used)
static int write_version(int fd, struct perf_header *h __maybe_unused,
struct perf_evlist *evlist __maybe_unused)
{
return do_write_string(fd, perf_version_string);
}
static int write_cpudesc(int fd, struct perf_header *h __used,
struct perf_evlist *evlist __used)
static int write_cpudesc(int fd, struct perf_header *h __maybe_unused,
struct perf_evlist *evlist __maybe_unused)
{
#ifndef CPUINFO_PROC
#define CPUINFO_PROC NULL
@ -580,8 +608,8 @@ static int write_cpudesc(int fd, struct perf_header *h __used,
return ret;
}
static int write_nrcpus(int fd, struct perf_header *h __used,
struct perf_evlist *evlist __used)
static int write_nrcpus(int fd, struct perf_header *h __maybe_unused,
struct perf_evlist *evlist __maybe_unused)
{
long nr;
u32 nrc, nra;
@ -606,7 +634,7 @@ static int write_nrcpus(int fd, struct perf_header *h __used,
return do_write(fd, &nra, sizeof(nra));
}
static int write_event_desc(int fd, struct perf_header *h __used,
static int write_event_desc(int fd, struct perf_header *h __maybe_unused,
struct perf_evlist *evlist)
{
struct perf_evsel *evsel;
@ -663,8 +691,8 @@ static int write_event_desc(int fd, struct perf_header *h __used,
return 0;
}
static int write_cmdline(int fd, struct perf_header *h __used,
struct perf_evlist *evlist __used)
static int write_cmdline(int fd, struct perf_header *h __maybe_unused,
struct perf_evlist *evlist __maybe_unused)
{
char buf[MAXPATHLEN];
char proc[32];
@ -832,8 +860,8 @@ static struct cpu_topo *build_cpu_topology(void)
return tp;
}
static int write_cpu_topology(int fd, struct perf_header *h __used,
struct perf_evlist *evlist __used)
static int write_cpu_topology(int fd, struct perf_header *h __maybe_unused,
struct perf_evlist *evlist __maybe_unused)
{
struct cpu_topo *tp;
u32 i;
@ -868,8 +896,8 @@ static int write_cpu_topology(int fd, struct perf_header *h __used,
static int write_total_mem(int fd, struct perf_header *h __used,
struct perf_evlist *evlist __used)
static int write_total_mem(int fd, struct perf_header *h __maybe_unused,
struct perf_evlist *evlist __maybe_unused)
{
char *buf = NULL;
FILE *fp;
@ -954,8 +982,8 @@ static int write_topo_node(int fd, int node)
return ret;
}
static int write_numa_topology(int fd, struct perf_header *h __used,
struct perf_evlist *evlist __used)
static int write_numa_topology(int fd, struct perf_header *h __maybe_unused,
struct perf_evlist *evlist __maybe_unused)
{
char *buf = NULL;
size_t len = 0;
@ -1015,8 +1043,8 @@ static int write_numa_topology(int fd, struct perf_header *h __used,
* };
*/
static int write_pmu_mappings(int fd, struct perf_header *h __used,
struct perf_evlist *evlist __used)
static int write_pmu_mappings(int fd, struct perf_header *h __maybe_unused,
struct perf_evlist *evlist __maybe_unused)
{
struct perf_pmu *pmu = NULL;
off_t offset = lseek(fd, 0, SEEK_CUR);
@ -1046,13 +1074,14 @@ static int write_pmu_mappings(int fd, struct perf_header *h __used,
* default get_cpuid(): nothing gets recorded
* actual implementation must be in arch/$(ARCH)/util/header.c
*/
int __attribute__((weak)) get_cpuid(char *buffer __used, size_t sz __used)
int __attribute__ ((weak)) get_cpuid(char *buffer __maybe_unused,
size_t sz __maybe_unused)
{
return -1;
}
static int write_cpuid(int fd, struct perf_header *h __used,
struct perf_evlist *evlist __used)
static int write_cpuid(int fd, struct perf_header *h __maybe_unused,
struct perf_evlist *evlist __maybe_unused)
{
char buffer[64];
int ret;
@ -1066,8 +1095,9 @@ static int write_cpuid(int fd, struct perf_header *h __used,
return do_write_string(fd, buffer);
}
static int write_branch_stack(int fd __used, struct perf_header *h __used,
struct perf_evlist *evlist __used)
static int write_branch_stack(int fd __maybe_unused,
struct perf_header *h __maybe_unused,
struct perf_evlist *evlist __maybe_unused)
{
return 0;
}
@ -1344,7 +1374,8 @@ static void print_event_desc(struct perf_header *ph, int fd, FILE *fp)
free_event_desc(events);
}
static void print_total_mem(struct perf_header *h __used, int fd, FILE *fp)
static void print_total_mem(struct perf_header *h __maybe_unused, int fd,
FILE *fp)
{
uint64_t mem;
ssize_t ret;
@ -1362,7 +1393,8 @@ static void print_total_mem(struct perf_header *h __used, int fd, FILE *fp)
fprintf(fp, "# total memory : unknown\n");
}
static void print_numa_topology(struct perf_header *h __used, int fd, FILE *fp)
static void print_numa_topology(struct perf_header *h __maybe_unused, int fd,
FILE *fp)
{
ssize_t ret;
u32 nr, c, i;
@ -1422,7 +1454,8 @@ static void print_cpuid(struct perf_header *ph, int fd, FILE *fp)
free(str);
}
static void print_branch_stack(struct perf_header *ph __used, int fd __used,
static void print_branch_stack(struct perf_header *ph __maybe_unused,
int fd __maybe_unused,
FILE *fp)
{
fprintf(fp, "# contains samples with branch stack\n");
@ -1532,7 +1565,7 @@ static int perf_header__read_build_ids_abi_quirk(struct perf_header *header,
struct perf_session *session = container_of(header, struct perf_session, header);
struct {
struct perf_event_header header;
u8 build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))];
u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
char filename[0];
} old_bev;
struct build_id_event bev;
@ -1621,9 +1654,10 @@ static int perf_header__read_build_ids(struct perf_header *header,
return err;
}
static int process_tracing_data(struct perf_file_section *section __unused,
struct perf_header *ph __unused,
int feat __unused, int fd, void *data)
static int process_tracing_data(struct perf_file_section *section
__maybe_unused,
struct perf_header *ph __maybe_unused,
int feat __maybe_unused, int fd, void *data)
{
trace_report(fd, data, false);
return 0;
@ -1631,7 +1665,8 @@ static int process_tracing_data(struct perf_file_section *section __unused,
static int process_build_id(struct perf_file_section *section,
struct perf_header *ph,
int feat __unused, int fd, void *data __used)
int feat __maybe_unused, int fd,
void *data __maybe_unused)
{
if (perf_header__read_build_ids(ph, fd, section->offset, section->size))
pr_debug("Failed to read buildids, continuing...\n");
@ -1670,9 +1705,9 @@ perf_evlist__set_event_name(struct perf_evlist *evlist, struct perf_evsel *event
}
static int
process_event_desc(struct perf_file_section *section __unused,
struct perf_header *header, int feat __unused, int fd,
void *data __used)
process_event_desc(struct perf_file_section *section __maybe_unused,
struct perf_header *header, int feat __maybe_unused, int fd,
void *data __maybe_unused)
{
struct perf_session *session = container_of(header, struct perf_session, header);
struct perf_evsel *evsel, *events = read_event_desc(header, fd);
@ -2439,7 +2474,7 @@ int perf_event__synthesize_attr(struct perf_tool *tool,
int err;
size = sizeof(struct perf_event_attr);
size = ALIGN(size, sizeof(u64));
size = PERF_ALIGN(size, sizeof(u64));
size += sizeof(struct perf_event_header);
size += ids * sizeof(u64);
@ -2537,7 +2572,7 @@ int perf_event__synthesize_event_type(struct perf_tool *tool,
ev.event_type.header.type = PERF_RECORD_HEADER_EVENT_TYPE;
size = strlen(ev.event_type.event_type.name);
size = ALIGN(size, sizeof(u64));
size = PERF_ALIGN(size, sizeof(u64));
ev.event_type.header.size = sizeof(ev.event_type) -
(sizeof(ev.event_type.event_type.name) - size);
@ -2568,7 +2603,7 @@ int perf_event__synthesize_event_types(struct perf_tool *tool,
return err;
}
int perf_event__process_event_type(struct perf_tool *tool __unused,
int perf_event__process_event_type(struct perf_tool *tool __maybe_unused,
union perf_event *event)
{
if (perf_header__push_event(event->event_type.event_type.event_id,
@ -2585,7 +2620,7 @@ int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd,
union perf_event ev;
struct tracing_data *tdata;
ssize_t size = 0, aligned_size = 0, padding;
int err __used = 0;
int err __maybe_unused = 0;
/*
* We are going to store the size of the data followed
@ -2606,7 +2641,7 @@ int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd,
ev.tracing_data.header.type = PERF_RECORD_HEADER_TRACING_DATA;
size = tdata->size;
aligned_size = ALIGN(size, sizeof(u64));
aligned_size = PERF_ALIGN(size, sizeof(u64));
padding = aligned_size - size;
ev.tracing_data.header.size = sizeof(ev.tracing_data);
ev.tracing_data.size = aligned_size;
@ -2637,7 +2672,7 @@ int perf_event__process_tracing_data(union perf_event *event,
size_read = trace_report(session->fd, &session->pevent,
session->repipe);
padding = ALIGN(size_read, sizeof(u64)) - size_read;
padding = PERF_ALIGN(size_read, sizeof(u64)) - size_read;
if (read(session->fd, buf, padding) < 0)
die("reading input file");
@ -2671,7 +2706,7 @@ int perf_event__synthesize_build_id(struct perf_tool *tool,
memset(&ev, 0, sizeof(ev));
len = pos->long_name_len + 1;
len = ALIGN(len, NAME_ALIGN);
len = PERF_ALIGN(len, NAME_ALIGN);
memcpy(&ev.build_id.build_id, pos->build_id, sizeof(pos->build_id));
ev.build_id.header.type = PERF_RECORD_HEADER_BUILD_ID;
ev.build_id.header.misc = misc;
@ -2684,7 +2719,7 @@ int perf_event__synthesize_build_id(struct perf_tool *tool,
return err;
}
int perf_event__process_build_id(struct perf_tool *tool __used,
int perf_event__process_build_id(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_session *session)
{

2
tools/perf/util/header.h
View File

@ -96,7 +96,7 @@ int perf_header__process_sections(struct perf_header *header, int fd,
int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full);
int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
const char *name, bool is_kallsyms);
const char *name, bool is_kallsyms, bool is_vdso);
int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir);
int perf_event__synthesize_attr(struct perf_tool *tool,

3
tools/perf/util/help.c
View File

@ -332,7 +332,8 @@ const char *help_unknown_cmd(const char *cmd)
exit(1);
}
int cmd_version(int argc __used, const char **argv __used, const char *prefix __used)
int cmd_version(int argc __maybe_unused, const char **argv __maybe_unused,
const char *prefix __maybe_unused)
{
printf("perf version %s\n", perf_version_string);
return 0;

2
tools/perf/util/hist.c
View File

@ -394,7 +394,7 @@ void hist_entry__free(struct hist_entry *he)
* collapse the histogram
*/
static bool hists__collapse_insert_entry(struct hists *hists __used,
static bool hists__collapse_insert_entry(struct hists *hists __maybe_unused,
struct rb_root *root,
struct hist_entry *he)
{

32
tools/perf/util/hist.h
View File

@ -156,20 +156,22 @@ struct perf_evlist;
#ifdef NO_NEWT_SUPPORT
static inline
int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __used,
const char *help __used,
void(*timer)(void *arg) __used,
void *arg __used,
int refresh __used)
int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __maybe_unused,
const char *help __maybe_unused,
void(*timer)(void *arg) __maybe_unused,
void *arg __maybe_unused,
int refresh __maybe_unused)
{
return 0;
}
static inline int hist_entry__tui_annotate(struct hist_entry *self __used,
int evidx __used,
void(*timer)(void *arg) __used,
void *arg __used,
int delay_secs __used)
static inline int hist_entry__tui_annotate(struct hist_entry *self
__maybe_unused,
int evidx __maybe_unused,
void(*timer)(void *arg)
__maybe_unused,
void *arg __maybe_unused,
int delay_secs __maybe_unused)
{
return 0;
}
@ -187,11 +189,11 @@ int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help,
#ifdef NO_GTK2_SUPPORT
static inline
int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist __used,
const char *help __used,
void(*timer)(void *arg) __used,
void *arg __used,
int refresh __used)
int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist __maybe_unused,
const char *help __maybe_unused,
void(*timer)(void *arg) __maybe_unused,
void *arg __maybe_unused,
int refresh __maybe_unused)
{
return 0;
}

4
tools/perf/util/include/linux/bitops.h
View File

@ -5,6 +5,10 @@
#include <linux/compiler.h>
#include <asm/hweight.h>
#ifndef __WORDSIZE
#define __WORDSIZE (__SIZEOF_LONG__ * 8)
#endif
#define BITS_PER_LONG __WORDSIZE
#define BITS_PER_BYTE 8
#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))

8
tools/perf/util/include/linux/compiler.h
View File

@ -9,7 +9,13 @@
#define __attribute_const__
#endif
#define __used __attribute__((__unused__))
#ifndef __maybe_unused
#define __maybe_unused __attribute__((unused))
#endif
#define __packed __attribute__((__packed__))
#ifndef __force
#define __force
#endif
#endif

13
tools/perf/util/include/linux/kernel.h
View File

@ -8,8 +8,8 @@
#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1)
#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask))
#define PERF_ALIGN(x, a) __PERF_ALIGN_MASK(x, (typeof(x))(a)-1)
#define __PERF_ALIGN_MASK(x, mask) (((x)+(mask))&~(mask))
#ifndef offsetof
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
@ -46,6 +46,15 @@
_min1 < _min2 ? _min1 : _min2; })
#endif
#ifndef roundup
#define roundup(x, y) ( \
{ \
const typeof(y) __y = y; \
(((x) + (__y - 1)) / __y) * __y; \
} \
)
#endif
#ifndef BUG_ON
#ifdef NDEBUG
#define BUG_ON(cond) do { if (cond) {} } while (0)

12
tools/perf/util/include/linux/magic.h Normal file
View File

@ -0,0 +1,12 @@
#ifndef _PERF_LINUX_MAGIC_H_
#define _PERF_LINUX_MAGIC_H_
#ifndef DEBUGFS_MAGIC
#define DEBUGFS_MAGIC 0x64626720
#endif
#ifndef SYSFS_MAGIC
#define SYSFS_MAGIC 0x62656572
#endif
#endif

2
tools/perf/util/include/linux/string.h
View File

@ -1 +1,3 @@
#include <string.h>
void *memdup(const void *src, size_t len);

8
tools/perf/util/include/linux/types.h
View File

@ -3,6 +3,14 @@
#include <asm/types.h>
#ifndef __bitwise
#define __bitwise
#endif
#ifndef __le32
typedef __u32 __bitwise __le32;
#endif
#define DECLARE_BITMAP(name,bits) \
unsigned long name[BITS_TO_LONGS(bits)]

4
tools/perf/util/intlist.c
View File

@ -11,7 +11,7 @@
#include "intlist.h"
static struct rb_node *intlist__node_new(struct rblist *rblist __used,
static struct rb_node *intlist__node_new(struct rblist *rblist __maybe_unused,
const void *entry)
{
int i = (int)((long)entry);
@ -31,7 +31,7 @@ static void int_node__delete(struct int_node *ilist)
free(ilist);
}
static void intlist__node_delete(struct rblist *rblist __used,
static void intlist__node_delete(struct rblist *rblist __maybe_unused,
struct rb_node *rb_node)
{
struct int_node *node = container_of(rb_node, struct int_node, rb_node);

12
tools/perf/util/map.c
View File

@ -9,6 +9,7 @@
#include "map.h"
#include "thread.h"
#include "strlist.h"
#include "vdso.h"
const char *map_type__name[MAP__NR_TYPES] = {
[MAP__FUNCTION] = "Functions",
@ -23,7 +24,6 @@ static inline int is_anon_memory(const char *filename)
static inline int is_no_dso_memory(const char *filename)
{
return !strcmp(filename, "[stack]") ||
!strcmp(filename, "[vdso]") ||
!strcmp(filename, "[heap]");
}
@ -52,9 +52,10 @@ struct map *map__new(struct list_head *dsos__list, u64 start, u64 len,
if (self != NULL) {
char newfilename[PATH_MAX];
struct dso *dso;
int anon, no_dso;
int anon, no_dso, vdso;
anon = is_anon_memory(filename);
vdso = is_vdso_map(filename);
no_dso = is_no_dso_memory(filename);
if (anon) {
@ -62,7 +63,12 @@ struct map *map__new(struct list_head *dsos__list, u64 start, u64 len,
filename = newfilename;
}
dso = __dsos__findnew(dsos__list, filename);
if (vdso) {
pgoff = 0;
dso = vdso__dso_findnew(dsos__list);
} else
dso = __dsos__findnew(dsos__list, filename);
if (dso == NULL)
goto out_delete;

2
tools/perf/util/map.h
View File

@ -96,7 +96,7 @@ static inline u64 map__unmap_ip(struct map *map, u64 ip)
return ip + map->start - map->pgoff;
}
static inline u64 identity__map_ip(struct map *map __used, u64 ip)
static inline u64 identity__map_ip(struct map *map __maybe_unused, u64 ip)
{
return ip;
}

6
tools/perf/util/parse-events-test.c
View File

@ -569,7 +569,7 @@ static int test__group2(struct perf_evlist *evlist)
return 0;
}
static int test__group3(struct perf_evlist *evlist __used)
static int test__group3(struct perf_evlist *evlist __maybe_unused)
{
struct perf_evsel *evsel, *leader;
@ -648,7 +648,7 @@ static int test__group3(struct perf_evlist *evlist __used)
return 0;
}
static int test__group4(struct perf_evlist *evlist __used)
static int test__group4(struct perf_evlist *evlist __maybe_unused)
{
struct perf_evsel *evsel, *leader;
@ -684,7 +684,7 @@ static int test__group4(struct perf_evlist *evlist __used)
return 0;
}
static int test__group5(struct perf_evlist *evlist __used)
static int test__group5(struct perf_evlist *evlist __maybe_unused)
{
struct perf_evsel *evsel, *leader;

7
tools/perf/util/parse-events.c
View File

@ -807,7 +807,8 @@ int parse_events_terms(struct list_head *terms, const char *str)
return ret;
}
int parse_events(struct perf_evlist *evlist, const char *str, int unset __used)
int parse_events(struct perf_evlist *evlist, const char *str,
int unset __maybe_unused)
{
struct parse_events_data__events data = {
.list = LIST_HEAD_INIT(data.list),
@ -833,14 +834,14 @@ int parse_events(struct perf_evlist *evlist, const char *str, int unset __used)
}
int parse_events_option(const struct option *opt, const char *str,
int unset __used)
int unset __maybe_unused)
{
struct perf_evlist *evlist = *(struct perf_evlist **)opt->value;
return parse_events(evlist, str, unset);
}
int parse_filter(const struct option *opt, const char *str,
int unset __used)
int unset __maybe_unused)
{
struct perf_evlist *evlist = *(struct perf_evlist **)opt->value;
struct perf_evsel *last = NULL;

2
tools/perf/util/parse-events.l
View File

@ -207,7 +207,7 @@ r{num_raw_hex} { return raw(yyscanner); }
%%
int parse_events_wrap(void *scanner __used)
int parse_events_wrap(void *scanner __maybe_unused)
{
return 1;
}

4
tools/perf/util/parse-events.y
View File

@ -391,7 +391,7 @@ sep_slash_dc: '/' | ':' |
%%
void parse_events_error(void *data __used, void *scanner __used,
char const *msg __used)
void parse_events_error(void *data __maybe_unused, void *scanner __maybe_unused,
char const *msg __maybe_unused)
{
}

3
tools/perf/util/parse-options.c
View File

@ -557,7 +557,8 @@ int parse_options_usage(const char * const *usagestr,
}
int parse_opt_verbosity_cb(const struct option *opt, const char *arg __used,
int parse_opt_verbosity_cb(const struct option *opt,
const char *arg __maybe_unused,
int unset)
{
int *target = opt->value;

2
tools/perf/util/perf_regs.h
View File

@ -6,7 +6,7 @@
#else
#define PERF_REGS_MASK 0
static inline const char *perf_reg_name(int id __used)
static inline const char *perf_reg_name(int id __maybe_unused)
{
return NULL;
}

6
tools/perf/util/pmu.y
View File

@ -86,8 +86,8 @@ PP_VALUE
%%
void perf_pmu_error(struct list_head *list __used,
char *name __used,
char const *msg __used)
void perf_pmu_error(struct list_head *list __maybe_unused,
char *name __maybe_unused,
char const *msg __maybe_unused)
{
}

21
tools/perf/util/probe-event.c
View File

@ -41,7 +41,7 @@
#include "symbol.h"
#include "thread.h"
#include "debugfs.h"
#include "trace-event.h" /* For __unused */
#include "trace-event.h" /* For __maybe_unused */
#include "probe-event.h"
#include "probe-finder.h"
#include "session.h"
@ -647,8 +647,8 @@ static int kprobe_convert_to_perf_probe(struct probe_trace_point *tp,
}
static int try_to_find_probe_trace_events(struct perf_probe_event *pev,
struct probe_trace_event **tevs __unused,
int max_tevs __unused, const char *target)
struct probe_trace_event **tevs __maybe_unused,
int max_tevs __maybe_unused, const char *target)
{
if (perf_probe_event_need_dwarf(pev)) {
pr_warning("Debuginfo-analysis is not supported.\n");
@ -661,17 +661,18 @@ static int try_to_find_probe_trace_events(struct perf_probe_event *pev,
return 0;
}
int show_line_range(struct line_range *lr __unused, const char *module __unused)
int show_line_range(struct line_range *lr __maybe_unused,
const char *module __maybe_unused)
{
pr_warning("Debuginfo-analysis is not supported.\n");
return -ENOSYS;
}
int show_available_vars(struct perf_probe_event *pevs __unused,
int npevs __unused, int max_vls __unused,
const char *module __unused,
struct strfilter *filter __unused,
bool externs __unused)
int show_available_vars(struct perf_probe_event *pevs __maybe_unused,
int npevs __maybe_unused, int max_vls __maybe_unused,
const char *module __maybe_unused,
struct strfilter *filter __maybe_unused,
bool externs __maybe_unused)
{
pr_warning("Debuginfo-analysis is not supported.\n");
return -ENOSYS;
@ -2183,7 +2184,7 @@ static struct strfilter *available_func_filter;
* If a symbol corresponds to a function with global binding and
* matches filter return 0. For all others return 1.
*/
static int filter_available_functions(struct map *map __unused,
static int filter_available_functions(struct map *map __maybe_unused,
struct symbol *sym)
{
if (sym->binding == STB_GLOBAL &&

4
tools/perf/util/probe-finder.c
View File

@ -207,7 +207,7 @@ static int debuginfo__init_online_kernel_dwarf(struct debuginfo *self,
#else
/* With older elfutils, this just support kernel module... */
static int debuginfo__init_online_kernel_dwarf(struct debuginfo *self,
Dwarf_Addr addr __used)
Dwarf_Addr addr __maybe_unused)
{
const char *path = kernel_get_module_path("kernel");
@ -1419,7 +1419,7 @@ static int line_range_add_line(const char *src, unsigned int lineno,
}
static int line_range_walk_cb(const char *fname, int lineno,
Dwarf_Addr addr __used,
Dwarf_Addr addr __maybe_unused,
void *data)
{
struct line_finder *lf = data;

8
tools/perf/util/python.c
View File

@ -672,7 +672,7 @@ struct pyrf_evlist {
};
static int pyrf_evlist__init(struct pyrf_evlist *pevlist,
PyObject *args, PyObject *kwargs __used)
PyObject *args, PyObject *kwargs __maybe_unused)
{
PyObject *pcpus = NULL, *pthreads = NULL;
struct cpu_map *cpus;
@ -733,7 +733,8 @@ static PyObject *pyrf_evlist__poll(struct pyrf_evlist *pevlist,
}
static PyObject *pyrf_evlist__get_pollfd(struct pyrf_evlist *pevlist,
PyObject *args __used, PyObject *kwargs __used)
PyObject *args __maybe_unused,
PyObject *kwargs __maybe_unused)
{
struct perf_evlist *evlist = &pevlist->evlist;
PyObject *list = PyList_New(0);
@ -765,7 +766,8 @@ static PyObject *pyrf_evlist__get_pollfd(struct pyrf_evlist *pevlist,
static PyObject *pyrf_evlist__add(struct pyrf_evlist *pevlist,
PyObject *args, PyObject *kwargs __used)
PyObject *args,
PyObject *kwargs __maybe_unused)
{
struct perf_evlist *evlist = &pevlist->evlist;
PyObject *pevsel;

8
tools/perf/util/scripting-engines/trace-event-perl.c
View File

@ -257,10 +257,10 @@ static inline struct event_format *find_cache_event(struct perf_evsel *evsel)
return event;
}
static void perl_process_tracepoint(union perf_event *perf_event __unused,
static void perl_process_tracepoint(union perf_event *perf_event __maybe_unused,
struct perf_sample *sample,
struct perf_evsel *evsel,
struct machine *machine __unused,
struct machine *machine __maybe_unused,
struct addr_location *al)
{
struct format_field *field;
@ -349,8 +349,8 @@ static void perl_process_tracepoint(union perf_event *perf_event __unused,
static void perl_process_event_generic(union perf_event *event,
struct perf_sample *sample,
struct perf_evsel *evsel,
struct machine *machine __unused,
struct addr_location *al __unused)
struct machine *machine __maybe_unused,
struct addr_location *al __maybe_unused)
{
dSP;

10
tools/perf/util/scripting-engines/trace-event-python.c
View File

@ -221,10 +221,11 @@ static inline struct event_format *find_cache_event(struct perf_evsel *evsel)
return event;
}
static void python_process_tracepoint(union perf_event *perf_event __unused,
static void python_process_tracepoint(union perf_event *perf_event
__maybe_unused,
struct perf_sample *sample,
struct perf_evsel *evsel,
struct machine *machine __unused,
struct machine *machine __maybe_unused,
struct addr_location *al)
{
PyObject *handler, *retval, *context, *t, *obj, *dict = NULL;
@ -339,10 +340,11 @@ static void python_process_tracepoint(union perf_event *perf_event __unused,
Py_DECREF(t);
}
static void python_process_general_event(union perf_event *perf_event __unused,
static void python_process_general_event(union perf_event *perf_event
__maybe_unused,
struct perf_sample *sample,
struct perf_evsel *evsel,
struct machine *machine __unused,
struct machine *machine __maybe_unused,
struct addr_location *al)
{
PyObject *handler, *retval, *t, *dict;

61
tools/perf/util/session.c
View File

@ -17,6 +17,7 @@
#include "event-parse.h"
#include "perf_regs.h"
#include "unwind.h"
#include "vdso.h"
static int perf_session__open(struct perf_session *self, bool force)
{
@ -211,6 +212,7 @@ void perf_session__delete(struct perf_session *self)
machine__exit(&self->host_machine);
close(self->fd);
free(self);
vdso__exit();
}
void machine__remove_thread(struct machine *self, struct thread *th)
@ -388,55 +390,64 @@ int machine__resolve_callchain(struct machine *machine,
(evsel->attr.sample_type & PERF_SAMPLE_STACK_USER)))
return 0;
/* Bail out if nothing was captured. */
if ((!sample->user_regs.regs) ||
(!sample->user_stack.size))
return 0;
return unwind__get_entries(unwind_entry, &callchain_cursor, machine,
thread, evsel->attr.sample_regs_user,
sample);
}
static int process_event_synth_tracing_data_stub(union perf_event *event __used,
struct perf_session *session __used)
static int process_event_synth_tracing_data_stub(union perf_event *event
__maybe_unused,
struct perf_session *session
__maybe_unused)
{
dump_printf(": unhandled!\n");
return 0;
}
static int process_event_synth_attr_stub(union perf_event *event __used,
struct perf_evlist **pevlist __used)
static int process_event_synth_attr_stub(union perf_event *event __maybe_unused,
struct perf_evlist **pevlist
__maybe_unused)
{
dump_printf(": unhandled!\n");
return 0;
}
static int process_event_sample_stub(struct perf_tool *tool __used,
union perf_event *event __used,
struct perf_sample *sample __used,
struct perf_evsel *evsel __used,
struct machine *machine __used)
static int process_event_sample_stub(struct perf_tool *tool __maybe_unused,
union perf_event *event __maybe_unused,
struct perf_sample *sample __maybe_unused,
struct perf_evsel *evsel __maybe_unused,
struct machine *machine __maybe_unused)
{
dump_printf(": unhandled!\n");
return 0;
}
static int process_event_stub(struct perf_tool *tool __used,
union perf_event *event __used,
struct perf_sample *sample __used,
struct machine *machine __used)
static int process_event_stub(struct perf_tool *tool __maybe_unused,
union perf_event *event __maybe_unused,
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
dump_printf(": unhandled!\n");
return 0;
}
static int process_finished_round_stub(struct perf_tool *tool __used,
union perf_event *event __used,
struct perf_session *perf_session __used)
static int process_finished_round_stub(struct perf_tool *tool __maybe_unused,
union perf_event *event __maybe_unused,
struct perf_session *perf_session
__maybe_unused)
{
dump_printf(": unhandled!\n");
return 0;
}
static int process_event_type_stub(struct perf_tool *tool __used,
union perf_event *event __used)
static int process_event_type_stub(struct perf_tool *tool __maybe_unused,
union perf_event *event __maybe_unused)
{
dump_printf(": unhandled!\n");
return 0;
@ -513,7 +524,7 @@ static void swap_sample_id_all(union perf_event *event, void *data)
}
static void perf_event__all64_swap(union perf_event *event,
bool sample_id_all __used)
bool sample_id_all __maybe_unused)
{
struct perf_event_header *hdr = &event->header;
mem_bswap_64(hdr + 1, event->header.size - sizeof(*hdr));
@ -527,7 +538,7 @@ static void perf_event__comm_swap(union perf_event *event, bool sample_id_all)
if (sample_id_all) {
void *data = &event->comm.comm;
data += ALIGN(strlen(data) + 1, sizeof(u64));
data += PERF_ALIGN(strlen(data) + 1, sizeof(u64));
swap_sample_id_all(event, data);
}
}
@ -544,7 +555,7 @@ static void perf_event__mmap_swap(union perf_event *event,
if (sample_id_all) {
void *data = &event->mmap.filename;
data += ALIGN(strlen(data) + 1, sizeof(u64));
data += PERF_ALIGN(strlen(data) + 1, sizeof(u64));
swap_sample_id_all(event, data);
}
}
@ -624,7 +635,7 @@ void perf_event__attr_swap(struct perf_event_attr *attr)
}
static void perf_event__hdr_attr_swap(union perf_event *event,
bool sample_id_all __used)
bool sample_id_all __maybe_unused)
{
size_t size;
@ -636,14 +647,14 @@ static void perf_event__hdr_attr_swap(union perf_event *event,
}
static void perf_event__event_type_swap(union perf_event *event,
bool sample_id_all __used)
bool sample_id_all __maybe_unused)
{
event->event_type.event_type.event_id =
bswap_64(event->event_type.event_type.event_id);
}
static void perf_event__tracing_data_swap(union perf_event *event,
bool sample_id_all __used)
bool sample_id_all __maybe_unused)
{
event->tracing_data.size = bswap_32(event->tracing_data.size);
}
@ -784,7 +795,7 @@ static int flush_sample_queue(struct perf_session *s,
* etc...
*/
static int process_finished_round(struct perf_tool *tool,
union perf_event *event __used,
union perf_event *event __maybe_unused,
struct perf_session *session)
{
int ret = flush_sample_queue(session, tool);

14
tools/perf/util/sort.c
View File

@ -170,7 +170,7 @@ static int hist_entry__dso_snprintf(struct hist_entry *self, char *bf,
static int _hist_entry__sym_snprintf(struct map *map, struct symbol *sym,
u64 ip, char level, char *bf, size_t size,
unsigned int width __used)
unsigned int width __maybe_unused)
{
size_t ret = 0;
@ -205,7 +205,8 @@ struct sort_entry sort_dso = {
};
static int hist_entry__sym_snprintf(struct hist_entry *self, char *bf,
size_t size, unsigned int width __used)
size_t size,
unsigned int width __maybe_unused)
{
return _hist_entry__sym_snprintf(self->ms.map, self->ms.sym, self->ip,
self->level, bf, size, width);
@ -248,7 +249,8 @@ sort__srcline_cmp(struct hist_entry *left, struct hist_entry *right)
}
static int hist_entry__srcline_snprintf(struct hist_entry *self, char *bf,
size_t size, unsigned int width __used)
size_t size,
unsigned int width __maybe_unused)
{
FILE *fp;
char cmd[PATH_MAX + 2], *path = self->srcline, *nl;
@ -397,7 +399,8 @@ sort__sym_to_cmp(struct hist_entry *left, struct hist_entry *right)
}
static int hist_entry__sym_from_snprintf(struct hist_entry *self, char *bf,
size_t size, unsigned int width __used)
size_t size,
unsigned int width __maybe_unused)
{
struct addr_map_symbol *from = &self->branch_info->from;
return _hist_entry__sym_snprintf(from->map, from->sym, from->addr,
@ -406,7 +409,8 @@ static int hist_entry__sym_from_snprintf(struct hist_entry *self, char *bf,
}
static int hist_entry__sym_to_snprintf(struct hist_entry *self, char *bf,
size_t size, unsigned int width __used)
size_t size,
unsigned int width __maybe_unused)
{
struct addr_map_symbol *to = &self->branch_info->to;
return _hist_entry__sym_snprintf(to->map, to->sym, to->addr,

18
tools/perf/util/string.c
View File

@ -1,5 +1,5 @@
#include "util.h"
#include "string.h"
#include "linux/string.h"
#define K 1024LL
/*
@ -335,3 +335,19 @@ char *rtrim(char *s)
return s;
}
/**
* memdup - duplicate region of memory
* @src: memory region to duplicate
* @len: memory region length
*/
void *memdup(const void *src, size_t len)
{
void *p;
p = malloc(len);
if (p)
memcpy(p, src, len);
return p;
}

28
tools/perf/util/symbol-minimal.c
View File

@ -69,8 +69,9 @@ static int read_build_id(void *note_data, size_t note_len, void *bf,
return -1;
}
int filename__read_debuglink(const char *filename __used,
char *debuglink __used, size_t size __used)
int filename__read_debuglink(const char *filename __maybe_unused,
char *debuglink __maybe_unused,
size_t size __maybe_unused)
{
return -1;
}
@ -241,7 +242,8 @@ int sysfs__read_build_id(const char *filename, void *build_id, size_t size)
return ret;
}
int symsrc__init(struct symsrc *ss, struct dso *dso __used, const char *name,
int symsrc__init(struct symsrc *ss, struct dso *dso __maybe_unused,
const char *name,
enum dso_binary_type type)
{
int fd = open(name, O_RDONLY);
@ -260,13 +262,13 @@ int symsrc__init(struct symsrc *ss, struct dso *dso __used, const char *name,
return -1;
}
bool symsrc__possibly_runtime(struct symsrc *ss __used)
bool symsrc__possibly_runtime(struct symsrc *ss __maybe_unused)
{
/* Assume all sym sources could be a runtime image. */
return true;
}
bool symsrc__has_symtab(struct symsrc *ss __used)
bool symsrc__has_symtab(struct symsrc *ss __maybe_unused)
{
return false;
}
@ -277,17 +279,19 @@ void symsrc__destroy(struct symsrc *ss)
close(ss->fd);
}
int dso__synthesize_plt_symbols(struct dso *dso __used,
struct symsrc *ss __used,
struct map *map __used,
symbol_filter_t filter __used)
int dso__synthesize_plt_symbols(struct dso *dso __maybe_unused,
struct symsrc *ss __maybe_unused,
struct map *map __maybe_unused,
symbol_filter_t filter __maybe_unused)
{
return 0;
}
int dso__load_sym(struct dso *dso, struct map *map __used, struct symsrc *ss,
struct symsrc *runtime_ss __used,
symbol_filter_t filter __used, int kmodule __used)
int dso__load_sym(struct dso *dso, struct map *map __maybe_unused,
struct symsrc *ss,
struct symsrc *runtime_ss __maybe_unused,
symbol_filter_t filter __maybe_unused,
int kmodule __maybe_unused)
{
unsigned char *build_id[BUILD_ID_SIZE];

6
tools/perf/util/symbol.c
View File

@ -1596,7 +1596,7 @@ void dsos__add(struct list_head *head, struct dso *dso)
list_add_tail(&dso->node, head);
}
static struct dso *dsos__find(struct list_head *head, const char *name)
struct dso *dsos__find(struct list_head *head, const char *name)
{
struct dso *pos;
@ -1755,7 +1755,7 @@ struct process_args {
};
static int symbol__in_kernel(void *arg, const char *name,
char type __used, u64 start)
char type __maybe_unused, u64 start)
{
struct process_args *args = arg;
@ -1991,7 +1991,7 @@ int symbol__init(void)
if (symbol_conf.initialized)
return 0;
symbol_conf.priv_size = ALIGN(symbol_conf.priv_size, sizeof(u64));
symbol_conf.priv_size = PERF_ALIGN(symbol_conf.priv_size, sizeof(u64));
symbol__elf_init();

8
tools/perf/util/symbol.h
View File

@ -21,14 +21,15 @@
#ifdef HAVE_CPLUS_DEMANGLE
extern char *cplus_demangle(const char *, int);
static inline char *bfd_demangle(void __used *v, const char *c, int i)
static inline char *bfd_demangle(void __maybe_unused *v, const char *c, int i)
{
return cplus_demangle(c, i);
}
#else
#ifdef NO_DEMANGLE
static inline char *bfd_demangle(void __used *v, const char __used *c,
int __used i)
static inline char *bfd_demangle(void __maybe_unused *v,
const char __maybe_unused *c,
int __maybe_unused i)
{
return NULL;
}
@ -294,6 +295,7 @@ static inline void dso__set_loaded(struct dso *dso, enum map_type type)
void dso__sort_by_name(struct dso *dso, enum map_type type);
void dsos__add(struct list_head *head, struct dso *dso);
struct dso *dsos__find(struct list_head *head, const char *name);
struct dso *__dsos__findnew(struct list_head *head, const char *name);
int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter);

4
tools/perf/util/trace-event-parse.c
View File

@ -221,7 +221,7 @@ void print_event(struct pevent *pevent, int cpu, void *data, int size,
}
void parse_proc_kallsyms(struct pevent *pevent,
char *file, unsigned int size __unused)
char *file, unsigned int size __maybe_unused)
{
unsigned long long addr;
char *func;
@ -253,7 +253,7 @@ void parse_proc_kallsyms(struct pevent *pevent,
}
void parse_ftrace_printk(struct pevent *pevent,
char *file, unsigned int size __unused)
char *file, unsigned int size __maybe_unused)
{
unsigned long long addr;
char *printk;

33
tools/perf/util/trace-event-scripting.c
View File

@ -35,11 +35,11 @@ static int stop_script_unsupported(void)
return 0;
}
static void process_event_unsupported(union perf_event *event __unused,
struct perf_sample *sample __unused,
struct perf_evsel *evsel __unused,
struct machine *machine __unused,
struct addr_location *al __unused)
static void process_event_unsupported(union perf_event *event __maybe_unused,
struct perf_sample *sample __maybe_unused,
struct perf_evsel *evsel __maybe_unused,
struct machine *machine __maybe_unused,
struct addr_location *al __maybe_unused)
{
}
@ -52,17 +52,19 @@ static void print_python_unsupported_msg(void)
"\n etc.\n");
}
static int python_start_script_unsupported(const char *script __unused,
int argc __unused,
const char **argv __unused)
static int python_start_script_unsupported(const char *script __maybe_unused,
int argc __maybe_unused,
const char **argv __maybe_unused)
{
print_python_unsupported_msg();
return -1;
}
static int python_generate_script_unsupported(struct pevent *pevent __unused,
const char *outfile __unused)
static int python_generate_script_unsupported(struct pevent *pevent
__maybe_unused,
const char *outfile
__maybe_unused)
{
print_python_unsupported_msg();
@ -114,17 +116,18 @@ static void print_perl_unsupported_msg(void)
"\n etc.\n");
}
static int perl_start_script_unsupported(const char *script __unused,
int argc __unused,
const char **argv __unused)
static int perl_start_script_unsupported(const char *script __maybe_unused,
int argc __maybe_unused,
const char **argv __maybe_unused)
{
print_perl_unsupported_msg();
return -1;
}
static int perl_generate_script_unsupported(struct pevent *pevent __unused,
const char *outfile __unused)
static int perl_generate_script_unsupported(struct pevent *pevent
__maybe_unused,
const char *outfile __maybe_unused)
{
print_perl_unsupported_msg();

36
tools/perf/util/unwind.c
View File

@ -307,32 +307,36 @@ find_proc_info(unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi,
need_unwind_info, arg);
}
static int access_fpreg(unw_addr_space_t __used as, unw_regnum_t __used num,
unw_fpreg_t __used *val, int __used __write,
void __used *arg)
static int access_fpreg(unw_addr_space_t __maybe_unused as,
unw_regnum_t __maybe_unused num,
unw_fpreg_t __maybe_unused *val,
int __maybe_unused __write,
void __maybe_unused *arg)
{
pr_err("unwind: access_fpreg unsupported\n");
return -UNW_EINVAL;
}
static int get_dyn_info_list_addr(unw_addr_space_t __used as,
unw_word_t __used *dil_addr,
void __used *arg)
static int get_dyn_info_list_addr(unw_addr_space_t __maybe_unused as,
unw_word_t __maybe_unused *dil_addr,
void __maybe_unused *arg)
{
return -UNW_ENOINFO;
}
static int resume(unw_addr_space_t __used as, unw_cursor_t __used *cu,
void __used *arg)
static int resume(unw_addr_space_t __maybe_unused as,
unw_cursor_t __maybe_unused *cu,
void __maybe_unused *arg)
{
pr_err("unwind: resume unsupported\n");
return -UNW_EINVAL;
}
static int
get_proc_name(unw_addr_space_t __used as, unw_word_t __used addr,
char __used *bufp, size_t __used buf_len,
unw_word_t __used *offp, void __used *arg)
get_proc_name(unw_addr_space_t __maybe_unused as,
unw_word_t __maybe_unused addr,
char __maybe_unused *bufp, size_t __maybe_unused buf_len,
unw_word_t __maybe_unused *offp, void __maybe_unused *arg)
{
pr_err("unwind: get_proc_name unsupported\n");
return -UNW_EINVAL;
@ -377,7 +381,7 @@ static int reg_value(unw_word_t *valp, struct regs_dump *regs, int id,
return 0;
}
static int access_mem(unw_addr_space_t __used as,
static int access_mem(unw_addr_space_t __maybe_unused as,
unw_word_t addr, unw_word_t *valp,
int __write, void *arg)
{
@ -422,7 +426,7 @@ static int access_mem(unw_addr_space_t __used as,
return 0;
}
static int access_reg(unw_addr_space_t __used as,
static int access_reg(unw_addr_space_t __maybe_unused as,
unw_regnum_t regnum, unw_word_t *valp,
int __write, void *arg)
{
@ -454,9 +458,9 @@ static int access_reg(unw_addr_space_t __used as,
return 0;
}
static void put_unwind_info(unw_addr_space_t __used as,
unw_proc_info_t *pi __used,
void *arg __used)
static void put_unwind_info(unw_addr_space_t __maybe_unused as,
unw_proc_info_t *pi __maybe_unused,
void *arg __maybe_unused)
{
pr_debug("unwind: put_unwind_info called\n");
}

11
tools/perf/util/unwind.h
View File

@ -22,11 +22,12 @@ int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
int unwind__arch_reg_id(int regnum);
#else
static inline int
unwind__get_entries(unwind_entry_cb_t cb __used, void *arg __used,
struct machine *machine __used,
struct thread *thread __used,
u64 sample_uregs __used,
struct perf_sample *data __used)
unwind__get_entries(unwind_entry_cb_t cb __maybe_unused,
void *arg __maybe_unused,
struct machine *machine __maybe_unused,
struct thread *thread __maybe_unused,
u64 sample_uregs __maybe_unused,
struct perf_sample *data __maybe_unused)
{
return 0;
}

2
tools/perf/util/util.h
View File

@ -70,7 +70,7 @@
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <inttypes.h>
#include "../../../include/linux/magic.h"
#include <linux/magic.h>
#include "types.h"
#include <sys/ttydefaults.h>

111
tools/perf/util/vdso.c Normal file
View File

@ -0,0 +1,111 @@
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#include <linux/kernel.h>
#include "vdso.h"
#include "util.h"
#include "symbol.h"
#include "linux/string.h"
static bool vdso_found;
static char vdso_file[] = "/tmp/perf-vdso.so-XXXXXX";
static int find_vdso_map(void **start, void **end)
{
FILE *maps;
char line[128];
int found = 0;
maps = fopen("/proc/self/maps", "r");
if (!maps) {
pr_err("vdso: cannot open maps\n");
return -1;
}
while (!found && fgets(line, sizeof(line), maps)) {
int m = -1;
/* We care only about private r-x mappings. */
if (2 != sscanf(line, "%p-%p r-xp %*x %*x:%*x %*u %n",
start, end, &m))
continue;
if (m < 0)
continue;
if (!strncmp(&line[m], VDSO__MAP_NAME,
sizeof(VDSO__MAP_NAME) - 1))
found = 1;
}
fclose(maps);
return !found;
}
static char *get_file(void)
{
char *vdso = NULL;
char *buf = NULL;
void *start, *end;
size_t size;
int fd;
if (vdso_found)
return vdso_file;
if (find_vdso_map(&start, &end))
return NULL;
size = end - start;
buf = memdup(start, size);
if (!buf)
return NULL;
fd = mkstemp(vdso_file);
if (fd < 0)
goto out;
if (size == (size_t) write(fd, buf, size))
vdso = vdso_file;
close(fd);
out:
free(buf);
vdso_found = (vdso != NULL);
return vdso;
}
void vdso__exit(void)
{
if (vdso_found)
unlink(vdso_file);
}
struct dso *vdso__dso_findnew(struct list_head *head)
{
struct dso *dso = dsos__find(head, VDSO__MAP_NAME);
if (!dso) {
char *file;
file = get_file();
if (!file)
return NULL;
dso = dso__new(VDSO__MAP_NAME);
if (dso != NULL) {
dsos__add(head, dso);
dso__set_long_name(dso, file);
}
}
return dso;
}

18
tools/perf/util/vdso.h Normal file
View File

@ -0,0 +1,18 @@
#ifndef __PERF_VDSO__
#define __PERF_VDSO__
#include <linux/types.h>
#include <string.h>
#include <stdbool.h>
#define VDSO__MAP_NAME "[vdso]"
static inline bool is_vdso_map(const char *filename)
{
return !strcmp(filename, VDSO__MAP_NAME);
}
struct dso *vdso__dso_findnew(struct list_head *head);
void vdso__exit(void);
#endif /* __PERF_VDSO__ */

3
tools/perf/util/wrapper.c
View File

@ -7,7 +7,8 @@
* There's no pack memory to release - but stay close to the Git
* version so wrap this away:
*/
static inline void release_pack_memory(size_t size __used, int flag __used)
static inline void release_pack_memory(size_t size __maybe_unused,
int flag __maybe_unused)
{
}