mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-27 18:45:02 +07:00
103ed40e4b
AUX area samples are not limited in how far back in time the sample could start. Consequently samples must be queued in advance to allow for time-ordered processing. To achieve that, add perf_session__peek_events() that walks and peeks at all the events. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lore.kernel.org/lkml/20191115124225.5247-11-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
143 lines
4.1 KiB
C
143 lines
4.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef __PERF_SESSION_H
|
|
#define __PERF_SESSION_H
|
|
|
|
#include "trace-event.h"
|
|
#include "event.h"
|
|
#include "header.h"
|
|
#include "machine.h"
|
|
#include "data.h"
|
|
#include "ordered-events.h"
|
|
#include "util/compress.h"
|
|
#include <linux/kernel.h>
|
|
#include <linux/rbtree.h>
|
|
#include <linux/perf_event.h>
|
|
|
|
struct ip_callchain;
|
|
struct symbol;
|
|
struct thread;
|
|
|
|
struct auxtrace;
|
|
struct itrace_synth_opts;
|
|
|
|
struct perf_session {
|
|
struct perf_header header;
|
|
struct machines machines;
|
|
struct evlist *evlist;
|
|
struct auxtrace *auxtrace;
|
|
struct itrace_synth_opts *itrace_synth_opts;
|
|
struct list_head auxtrace_index;
|
|
struct trace_event tevent;
|
|
struct perf_record_time_conv time_conv;
|
|
bool repipe;
|
|
bool one_mmap;
|
|
void *one_mmap_addr;
|
|
u64 one_mmap_offset;
|
|
struct ordered_events ordered_events;
|
|
struct perf_data *data;
|
|
struct perf_tool *tool;
|
|
u64 bytes_transferred;
|
|
u64 bytes_compressed;
|
|
struct zstd_data zstd_data;
|
|
struct decomp *decomp;
|
|
struct decomp *decomp_last;
|
|
};
|
|
|
|
struct decomp {
|
|
struct decomp *next;
|
|
u64 file_pos;
|
|
size_t mmap_len;
|
|
u64 head;
|
|
size_t size;
|
|
char data[];
|
|
};
|
|
|
|
struct perf_tool;
|
|
|
|
struct perf_session *perf_session__new(struct perf_data *data,
|
|
bool repipe, struct perf_tool *tool);
|
|
void perf_session__delete(struct perf_session *session);
|
|
|
|
void perf_event_header__bswap(struct perf_event_header *hdr);
|
|
|
|
int perf_session__peek_event(struct perf_session *session, off_t file_offset,
|
|
void *buf, size_t buf_sz,
|
|
union perf_event **event_ptr,
|
|
struct perf_sample *sample);
|
|
typedef int (*peek_events_cb_t)(struct perf_session *session,
|
|
union perf_event *event, u64 offset,
|
|
void *data);
|
|
int perf_session__peek_events(struct perf_session *session, u64 offset,
|
|
u64 size, peek_events_cb_t cb, void *data);
|
|
|
|
int perf_session__process_events(struct perf_session *session);
|
|
|
|
int perf_session__queue_event(struct perf_session *s, union perf_event *event,
|
|
u64 timestamp, u64 file_offset);
|
|
|
|
void perf_tool__fill_defaults(struct perf_tool *tool);
|
|
|
|
int perf_session__resolve_callchain(struct perf_session *session,
|
|
struct evsel *evsel,
|
|
struct thread *thread,
|
|
struct ip_callchain *chain,
|
|
struct symbol **parent);
|
|
|
|
bool perf_session__has_traces(struct perf_session *session, const char *msg);
|
|
|
|
void perf_event__attr_swap(struct perf_event_attr *attr);
|
|
|
|
int perf_session__create_kernel_maps(struct perf_session *session);
|
|
|
|
void perf_session__set_id_hdr_size(struct perf_session *session);
|
|
|
|
static inline
|
|
struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
|
|
{
|
|
return machines__find(&session->machines, pid);
|
|
}
|
|
|
|
static inline
|
|
struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
|
|
{
|
|
return machines__findnew(&session->machines, pid);
|
|
}
|
|
|
|
struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
|
|
int perf_session__register_idle_thread(struct perf_session *session);
|
|
|
|
size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
|
|
|
|
size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
|
|
|
|
size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
|
|
bool (fn)(struct dso *dso, int parm), int parm);
|
|
|
|
size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
|
|
|
|
struct evsel *perf_session__find_first_evtype(struct perf_session *session,
|
|
unsigned int type);
|
|
|
|
int perf_session__cpu_bitmap(struct perf_session *session,
|
|
const char *cpu_list, unsigned long *cpu_bitmap);
|
|
|
|
void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
|
|
|
|
struct evsel_str_handler;
|
|
|
|
#define perf_session__set_tracepoints_handlers(session, array) \
|
|
__evlist__set_tracepoints_handlers(session->evlist, array, ARRAY_SIZE(array))
|
|
|
|
extern volatile int session_done;
|
|
|
|
#define session_done() READ_ONCE(session_done)
|
|
|
|
int perf_session__deliver_synth_event(struct perf_session *session,
|
|
union perf_event *event,
|
|
struct perf_sample *sample);
|
|
|
|
int perf_event__process_id_index(struct perf_session *session,
|
|
union perf_event *event);
|
|
|
|
#endif /* __PERF_SESSION_H */
|