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authorNamhyung Kim <namhyung.kim@lge.com>2012-10-05 09:02:13 +0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-10-05 19:47:54 +0400
commit32caf0d1fe14eb69191e7828701e381b1edb340d (patch)
tree23e13455f8a30d4edb198f0dd3dcb09cc0418153 /tools/perf/builtin-trace.c
parent139c0815903de1a7865fe1d6beac5e995fefdf46 (diff)
downloadlinux-32caf0d1fe14eb69191e7828701e381b1edb340d.tar.xz
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.c9
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;