[PATCH V4 04/17] perf stat: Clear HEADER_CPU_PMU_CAPS

From: kan.liang@linux.intel.com
To: acme@kernel.org, jolsa@redhat.com, peterz@infradead.org,
	mingo@redhat.com, linux-kernel@vger.kernel.org
Cc: namhyung@kernel.org, adrian.hunter@intel.com,
	mathieu.poirier@linaro.org, ravi.bangoria@linux.ibm.com,
	alexey.budankov@linux.intel.com, vitaly.slobodskoy@intel.com,
	pavel.gerasimov@intel.com, mpe@ellerman.id.au,
	eranian@google.com, ak@linux.intel.com,
	Kan Liang <kan.liang@linux.intel.com>
Subject: [PATCH V4 04/17] perf stat: Clear HEADER_CPU_PMU_CAPS
Date: Thu, 19 Mar 2020 13:25:04 -0700	[thread overview]
Message-ID: <20200319202517.23423-5-kan.liang@linux.intel.com> (raw)
In-Reply-To: <20200319202517.23423-1-kan.liang@linux.intel.com>

From: Kan Liang <kan.liang@linux.intel.com>

The CPU PMU capabilities information is only useful for perf record with
LBR call stack.

Clear the header for perf stat.

Reviewed-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
---
 tools/perf/builtin-stat.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index ec053dc1e35c..b5c8a5ab5e75 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -1595,6 +1595,7 @@ static void init_features(struct perf_session *session)
 	perf_header__clear_feat(&session->header, HEADER_TRACING_DATA);
 	perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK);
 	perf_header__clear_feat(&session->header, HEADER_AUXTRACE);
+	perf_header__clear_feat(&session->header, HEADER_CPU_PMU_CAPS);
 }
 
 static int __cmd_record(int argc, const char **argv)
-- 
2.17.1

