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| author |   Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> | 2014-10-27 16:31:31 -0400 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-10-29 10:32:49 -0200 |
| commit | 5e17b28f1e246b98e08cb463f7d72cff6415fc53 (patch) | |
| tree | 56ab831fd090f3f3a484b796ae38a0044fa73a43 /tools/perf/builtin-probe.c | |
| parent | perf script: Add Python script to export to postgresql (diff) | |
| download | wireguard-linux-5e17b28f1e246b98e08cb463f7d72cff6415fc53.tar.xz wireguard-linux-5e17b28f1e246b98e08cb463f7d72cff6415fc53.zip | |
perf probe: Add --quiet option to suppress output result message
Add --quiet(-q) option to suppress output result message for --add, and
--del options (Note that --lines/funcs/vars are not affected). This
option is useful if you run the perf probe inside your scripts.
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/20141027203131.21219.35170.stgit@localhost.localdomain
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-probe.c')
| -rw-r--r-- | tools/perf/builtin-probe.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c index 2d3577d1009d..921bb6942503 100644 --- a/tools/perf/builtin-probe.c +++ b/tools/perf/builtin-probe.c @@ -55,6 +55,7 @@ static struct { bool show_funcs; bool mod_events; bool uprobes; + bool quiet; int nevents; struct perf_probe_event events[MAX_PROBES]; struct strlist *dellist; @@ -315,6 +316,8 @@ __cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused) struct option options[] = { OPT_INCR('v', "verbose", &verbose, "be more verbose (show parsed arguments, etc)"), + OPT_BOOLEAN('q', "quiet", ¶ms.quiet, + "be quiet (do not show any mesages)"), OPT_BOOLEAN('l', "list", ¶ms.list_events, "list up current probe events"), OPT_CALLBACK('d', "del", NULL, "[GROUP:]EVENT", "delete a probe event.", @@ -404,6 +407,14 @@ __cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused) } } + if (params.quiet) { + if (verbose != 0) { + pr_err(" Error: -v and -q are exclusive.\n"); + return -EINVAL; + } + verbose = -1; + } + if (params.max_probe_points == 0) params.max_probe_points = MAX_PROBES; |