mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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1aed267173
Make use of exclude_guest and exlude_host in perf-kvm to do only
guest-only counting by default.
Cc: Gleb Natapov <gleb@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
[ committer note: Moved perf_{guest,host} & event_attr_init to util.c ]
[ so as not to drag more stuff to the python binding]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
143 lines
3.5 KiB
C
143 lines
3.5 KiB
C
#include "builtin.h"
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#include "perf.h"
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#include "util/util.h"
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#include "util/cache.h"
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#include "util/symbol.h"
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#include "util/thread.h"
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#include "util/header.h"
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#include "util/session.h"
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#include "util/parse-options.h"
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#include "util/trace-event.h"
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#include "util/debug.h"
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#include <sys/prctl.h>
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#include <semaphore.h>
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#include <pthread.h>
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#include <math.h>
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static const char *file_name;
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static char name_buffer[256];
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static const char * const kvm_usage[] = {
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"perf kvm [<options>] {top|record|report|diff|buildid-list}",
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NULL
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};
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static const struct option kvm_options[] = {
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OPT_STRING('i', "input", &file_name, "file",
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"Input file name"),
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OPT_STRING('o', "output", &file_name, "file",
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"Output file name"),
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OPT_BOOLEAN(0, "guest", &perf_guest,
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"Collect guest os data"),
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OPT_BOOLEAN(0, "host", &perf_host,
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"Collect host os data"),
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OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
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"guest mount directory under which every guest os"
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" instance has a subdir"),
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OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
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"file", "file saving guest os vmlinux"),
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OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
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"file", "file saving guest os /proc/kallsyms"),
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OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
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"file", "file saving guest os /proc/modules"),
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OPT_END()
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};
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static int __cmd_record(int argc, const char **argv)
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{
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int rec_argc, i = 0, j;
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const char **rec_argv;
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rec_argc = argc + 2;
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rec_argv = calloc(rec_argc + 1, sizeof(char *));
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rec_argv[i++] = strdup("record");
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rec_argv[i++] = strdup("-o");
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rec_argv[i++] = strdup(file_name);
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for (j = 1; j < argc; j++, i++)
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rec_argv[i] = argv[j];
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BUG_ON(i != rec_argc);
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return cmd_record(i, rec_argv, NULL);
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}
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static int __cmd_report(int argc, const char **argv)
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{
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int rec_argc, i = 0, j;
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const char **rec_argv;
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rec_argc = argc + 2;
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rec_argv = calloc(rec_argc + 1, sizeof(char *));
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rec_argv[i++] = strdup("report");
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rec_argv[i++] = strdup("-i");
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rec_argv[i++] = strdup(file_name);
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for (j = 1; j < argc; j++, i++)
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rec_argv[i] = argv[j];
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BUG_ON(i != rec_argc);
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return cmd_report(i, rec_argv, NULL);
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}
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static int __cmd_buildid_list(int argc, const char **argv)
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{
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int rec_argc, i = 0, j;
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const char **rec_argv;
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rec_argc = argc + 2;
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rec_argv = calloc(rec_argc + 1, sizeof(char *));
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rec_argv[i++] = strdup("buildid-list");
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rec_argv[i++] = strdup("-i");
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rec_argv[i++] = strdup(file_name);
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for (j = 1; j < argc; j++, i++)
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rec_argv[i] = argv[j];
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BUG_ON(i != rec_argc);
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return cmd_buildid_list(i, rec_argv, NULL);
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}
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int cmd_kvm(int argc, const char **argv, const char *prefix __used)
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{
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perf_host = 0;
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perf_guest = 1;
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argc = parse_options(argc, argv, kvm_options, kvm_usage,
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PARSE_OPT_STOP_AT_NON_OPTION);
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if (!argc)
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usage_with_options(kvm_usage, kvm_options);
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if (!perf_host)
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perf_guest = 1;
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if (!file_name) {
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if (perf_host && !perf_guest)
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sprintf(name_buffer, "perf.data.host");
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else if (!perf_host && perf_guest)
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sprintf(name_buffer, "perf.data.guest");
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else
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sprintf(name_buffer, "perf.data.kvm");
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file_name = name_buffer;
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}
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if (!strncmp(argv[0], "rec", 3))
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return __cmd_record(argc, argv);
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else if (!strncmp(argv[0], "rep", 3))
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return __cmd_report(argc, argv);
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else if (!strncmp(argv[0], "diff", 4))
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return cmd_diff(argc, argv, NULL);
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else if (!strncmp(argv[0], "top", 3))
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return cmd_top(argc, argv, NULL);
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else if (!strncmp(argv[0], "buildid-list", 12))
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return __cmd_buildid_list(argc, argv);
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else
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usage_with_options(kvm_usage, kvm_options);
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return 0;
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}
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