diff options
| author | Namhyung Kim | 2012-10-05 07:02:13 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo | 2012-10-05 17:47:54 +0200 |
| commit | 32caf0d1fe14eb69191e7828701e381b1edb340d (patch) | |
| tree | 23e13455f8a30d4edb198f0dd3dcb09cc0418153 /tools/perf/builtin-trace.c | |
| parent | perf hists: Add more helpers for hist entry stat (diff) | |
| download | kernel-qcow2-linux-32caf0d1fe14eb69191e7828701e381b1edb340d.tar.gz kernel-qcow2-linux-32caf0d1fe14eb69191e7828701e381b1edb340d.tar.xz kernel-qcow2-linux-32caf0d1fe14eb69191e7828701e381b1edb340d.zip | |
perf trace: Validate target task/user/cpu argument
Those target options are mutually exclusive so check it before setting
up target thread/cpu maps.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1349413336-26936-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-trace.c')
| -rw-r--r-- | tools/perf/builtin-trace.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index dec8ced61fb0..f01fa6f736ef 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -323,14 +323,21 @@ int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) OPT_END() }; int err; + char bf[BUFSIZ]; argc = parse_options(argc, argv, trace_options, trace_usage, 0); if (argc) usage_with_options(trace_usage, trace_options); + err = perf_target__validate(&trace.opts.target); + if (err) { + perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf)); + printf("%s", bf); + return err; + } + err = perf_target__parse_uid(&trace.opts.target); if (err) { - char bf[BUFSIZ]; perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf)); printf("%s", bf); return err; |