diff options
| author | Adrian Hunter | 2019-11-15 14:42:25 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo | 2019-11-22 10:48:13 -0300 |
| commit | 32a1ece4bdbde24734ab16484bad7316f03fc42d (patch) | |
| tree | b6475f4eed483488914ece78cf8d7c4a9dc4efb3 | |
| parent | dbd134322e74f19dbabf174b2cbf7fca9bbc34d3 (diff) | |
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>
| -rw-r--r-- | tools/perf/arch/x86/util/auxtrace.c | 2 | ||||
| -rw-r--r-- | tools/perf/arch/x86/util/intel-bts.c | 5 |
2 files changed, 7 insertions, 0 deletions
diff --git a/tools/perf/arch/x86/util/auxtrace.c b/tools/perf/arch/x86/util/auxtrace.c index 092543cad324..7abc9fd4cbec 100644 --- a/tools/perf/arch/x86/util/auxtrace.c +++ b/tools/perf/arch/x86/util/auxtrace.c @@ -29,6 +29,8 @@ struct auxtrace_record *auxtrace_record__init_intel(struct evlist *evlist, if (intel_pt_pmu) intel_pt_pmu->auxtrace = true; intel_bts_pmu = perf_pmu__find(INTEL_BTS_PMU_NAME); + if (intel_bts_pmu) + intel_bts_pmu->auxtrace = true; evlist__for_each_entry(evlist, evsel) { if (intel_pt_pmu && evsel->core.attr.type == intel_pt_pmu->type) 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; |