diff options
| author | Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> | 2015-05-08 10:03:33 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-05-08 16:26:44 -0300 |
| commit | 6cfd1f6805ca0b4a341794d67eb605089435f938 (patch) | |
| tree | ea3f6ce0837cc963d2309815fbfeb7a2b60520b0 | |
| parent | ddb2f58f9f8febaf817496a010130f108bb9a431 (diff) | |
perf probe: Add --no-inlines option to avoid searching inline functions
Add --no-inlines(--inlines) option to avoid searching inline functions.
Searching all functions which matches glob pattern can take a long time
and find a lot of inline functions.
With this option perf-probe searches target on the non-inlined
functions.
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20150508010333.24812.86568.stgit@localhost.localdomain
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/Documentation/perf-probe.txt | 4 | ||||
| -rw-r--r-- | tools/perf/builtin-probe.c | 2 | ||||
| -rw-r--r-- | tools/perf/util/probe-event.h | 1 | ||||
| -rw-r--r-- | tools/perf/util/probe-finder.c | 2 |
4 files changed, 8 insertions, 1 deletions
diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt index ad3e355adc1f..3a8a9ba2b041 100644 --- a/tools/perf/Documentation/perf-probe.txt +++ b/tools/perf/Documentation/perf-probe.txt @@ -83,6 +83,10 @@ OPTIONS (Only for --vars) Show external defined variables in addition to local variables. +--no-inlines:: + (Only for --add) Search only for non-inlined functions. The functions + which do not have instances are ignored. + -F:: --funcs[=FILTER]:: Show available functions in given module or kernel. With -x/--exec, diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c index dbc998f21281..7fa2c7a1086a 100644 --- a/tools/perf/builtin-probe.c +++ b/tools/perf/builtin-probe.c @@ -379,6 +379,8 @@ __cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused) OPT_CALLBACK('m', "module", NULL, "modname|path", "target module name (for online) or path (for offline)", opt_set_target), + OPT_BOOLEAN('\0', "no-inlines", &probe_conf.no_inlines, + "Don't search inlined functions"), #endif OPT__DRY_RUN(&probe_event_dry_run), OPT_INTEGER('\0', "max-probes", &probe_conf.max_probes, diff --git a/tools/perf/util/probe-event.h b/tools/perf/util/probe-event.h index db9a9cb2d2af..633aba77e0cb 100644 --- a/tools/perf/util/probe-event.h +++ b/tools/perf/util/probe-event.h @@ -10,6 +10,7 @@ struct probe_conf { bool show_ext_vars; bool force_add; + bool no_inlines; int max_probes; }; extern struct probe_conf probe_conf; diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index f4f5eed00c7d..1713421112f8 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -943,7 +943,7 @@ static int probe_point_search_cb(Dwarf_Die *sp_die, void *data) /* TODO: Check the address in this function */ param->retval = call_probe_finder(sp_die, pf); } - } else + } else if (!probe_conf.no_inlines) /* Inlined function: search instances */ param->retval = die_walk_instances(sp_die, probe_point_inline_cb, (void *)pf); |