diff options
Diffstat (limited to 'tools/perf/builtin-probe.c')
| -rw-r--r-- | tools/perf/builtin-probe.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c index bf20df2..b5d15cf 100644 --- a/tools/perf/builtin-probe.c +++ b/tools/perf/builtin-probe.c @@ -62,6 +62,8 @@ static struct { struct probe_point probes[MAX_PROBES]; } session; +static bool listing; + /* Parse an event definition. Note that any error must die. */ static void parse_probe_event(const char *str) { @@ -119,6 +121,7 @@ static int open_default_vmlinux(void) static const char * const probe_usage[] = { "perf probe [<options>] 'PROBEDEF' ['PROBEDEF' ...]", "perf probe [<options>] --add 'PROBEDEF' [--add 'PROBEDEF' ...]", + "perf probe --list", NULL }; @@ -129,6 +132,7 @@ static const struct option options[] = { OPT_STRING('k', "vmlinux", &session.vmlinux, "file", "vmlinux/module pathname"), #endif + OPT_BOOLEAN('l', "list", &listing, "list up current probes"), OPT_CALLBACK('a', "add", NULL, #ifdef NO_LIBDWARF "FUNC[+OFFS|%return] [ARG ...]", @@ -164,9 +168,15 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used) for (i = 0; i < argc; i++) parse_probe_event(argv[i]); - if (session.nr_probe == 0) + if ((session.nr_probe == 0 && !listing) || + (session.nr_probe != 0 && listing)) usage_with_options(probe_usage, options); + if (listing) { + show_perf_probe_events(); + return 0; + } + if (session.need_dwarf) #ifdef NO_LIBDWARF die("Debuginfo-analysis is not supported"); |
