From: Adrian Hunter Date: Fri, 15 Nov 2019 12:42:25 +0000 (+0200) Subject: perf intel-bts: Does not support AUX area sampling X-Git-Tag: v5.5-rc1~152^2~2^2~4 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=32a1ece4bdbde24734ab16484bad7316f03fc42d;p=thirdparty%2Fkernel%2Flinux.git 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 Cc: Jiri Olsa Link: http://lore.kernel.org/lkml/20191115124225.5247-16-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- diff --git a/tools/perf/arch/x86/util/auxtrace.c b/tools/perf/arch/x86/util/auxtrace.c index 092543cad3245..7abc9fd4cbec4 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 f7f68a50a5cd5..27d9e214d0680 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;