From 32a1ece4bdbde24734ab16484bad7316f03fc42d Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Fri, 15 Nov 2019 14:42:25 +0200 Subject: 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 --- tools/perf/arch/x86/util/intel-bts.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'tools/perf/arch/x86/util/intel-bts.c') 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; -- cgit v1.2.3-59-g8ed1b