mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-15 08:14:15 +08:00
44d742e01e
Currently 'perf list' is not very helpful if you forget the syntax: $ perf list -h List of pre-defined events (to be used in -e): After: $ perf list -h usage: perf list [hw|sw|cache|tracepoint|pmu|event_glob] Signed-off-by: David Ahern <dsahern@gmail.com> Acked-by: Ingo Molnar <mingo@kernel.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/527133AD.4030003@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
/*
|
|
* builtin-list.c
|
|
*
|
|
* Builtin list command: list all event types
|
|
*
|
|
* Copyright (C) 2009, Thomas Gleixner <tglx@linutronix.de>
|
|
* Copyright (C) 2008-2009, Red Hat Inc, Ingo Molnar <mingo@redhat.com>
|
|
* Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
*/
|
|
#include "builtin.h"
|
|
|
|
#include "perf.h"
|
|
|
|
#include "util/parse-events.h"
|
|
#include "util/cache.h"
|
|
#include "util/pmu.h"
|
|
#include "util/parse-options.h"
|
|
|
|
int cmd_list(int argc, const char **argv, const char *prefix __maybe_unused)
|
|
{
|
|
int i;
|
|
const struct option list_options[] = {
|
|
OPT_END()
|
|
};
|
|
const char * const list_usage[] = {
|
|
"perf list [hw|sw|cache|tracepoint|pmu|event_glob]",
|
|
NULL
|
|
};
|
|
|
|
argc = parse_options(argc, argv, list_options, list_usage,
|
|
PARSE_OPT_STOP_AT_NON_OPTION);
|
|
|
|
setup_pager();
|
|
|
|
if (argc == 0) {
|
|
print_events(NULL, false);
|
|
return 0;
|
|
}
|
|
|
|
for (i = 0; i < argc; ++i) {
|
|
if (i)
|
|
putchar('\n');
|
|
if (strncmp(argv[i], "tracepoint", 10) == 0)
|
|
print_tracepoint_events(NULL, NULL, false);
|
|
else if (strcmp(argv[i], "hw") == 0 ||
|
|
strcmp(argv[i], "hardware") == 0)
|
|
print_events_type(PERF_TYPE_HARDWARE);
|
|
else if (strcmp(argv[i], "sw") == 0 ||
|
|
strcmp(argv[i], "software") == 0)
|
|
print_events_type(PERF_TYPE_SOFTWARE);
|
|
else if (strcmp(argv[i], "cache") == 0 ||
|
|
strcmp(argv[i], "hwcache") == 0)
|
|
print_hwcache_events(NULL, false);
|
|
else if (strcmp(argv[i], "pmu") == 0)
|
|
print_pmu_events(NULL, false);
|
|
else if (strcmp(argv[i], "--raw-dump") == 0)
|
|
print_events(NULL, true);
|
|
else {
|
|
char *sep = strchr(argv[i], ':'), *s;
|
|
int sep_idx;
|
|
|
|
if (sep == NULL) {
|
|
print_events(argv[i], false);
|
|
continue;
|
|
}
|
|
sep_idx = sep - argv[i];
|
|
s = strdup(argv[i]);
|
|
if (s == NULL)
|
|
return -1;
|
|
|
|
s[sep_idx] = '\0';
|
|
print_tracepoint_events(s, s + sep_idx + 1, false);
|
|
free(s);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|