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authorAdrian Hunter <adrian.hunter@intel.com>2019-11-15 14:42:25 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2019-11-22 10:48:13 -0300
commit32a1ece4bdbde24734ab16484bad7316f03fc42d (patch)
treeb6475f4eed483488914ece78cf8d7c4a9dc4efb3 /tools/perf/arch/x86/util/intel-bts.c
parentperf intel-pt: Add support for decoding AUX area samples (diff)
downloadlinux-dev-32a1ece4bdbde24734ab16484bad7316f03fc42d.tar.xz
linux-dev-32a1ece4bdbde24734ab16484bad7316f03fc42d.zip
perf intel-bts: Does not support AUX area sampling
Add an error message because Intel BTS does not support AUX area sampling. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lore.kernel.org/lkml/20191115124225.5247-16-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to '')
-rw-r--r--tools/perf/arch/x86/util/intel-bts.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/arch/x86/util/intel-bts.c b/tools/perf/arch/x86/util/intel-bts.c
index f7f68a50a5cd..27d9e214d068 100644
--- a/tools/perf/arch/x86/util/intel-bts.c
+++ b/tools/perf/arch/x86/util/intel-bts.c
@@ -113,6 +113,11 @@ static int intel_bts_recording_options(struct auxtrace_record *itr,
const struct perf_cpu_map *cpus = evlist->core.cpus;
bool privileged = perf_event_paranoid_check(-1);
+ if (opts->auxtrace_sample_mode) {
+ pr_err("Intel BTS does not support AUX area sampling\n");
+ return -EINVAL;
+ }
+
btsr->evlist = evlist;
btsr->snapshot_mode = opts->auxtrace_snapshot_mode;