linux-kernel - [tip:perf/urgent] perf stat: Disable DIR_FORMAT feature for 'perf stat record'

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Date:   Tue, 16 Apr 2019 08:29:27 -0700
From:   tip-bot for Jiri Olsa <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     hpa@...or.com, peterz@...radead.org, acme@...hat.com,
        namhyung@...nel.org, linux-kernel@...r.kernel.org,
        tglx@...utronix.de, mingo@...nel.org,
        alexander.shishkin@...ux.intel.com, jolsa@...nel.org
Subject: [tip:perf/urgent] perf stat: Disable DIR_FORMAT feature for 'perf
 stat record'

Commit-ID:  8002a63f9ace7e9c958408f77f0a4dd4a8414511
Gitweb:     https://git.kernel.org/tip/8002a63f9ace7e9c958408f77f0a4dd4a8414511
Author:     Jiri Olsa <jolsa@...nel.org>
AuthorDate: Tue, 9 Apr 2019 12:01:56 +0200
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Tue, 16 Apr 2019 11:27:18 -0300

perf stat: Disable DIR_FORMAT feature for 'perf stat record'

Arnaldo reported assertion in perf stat record:

  assertion failed at util/header.c:875

There's no support for this in the 'perf state record' command, disable
the feature for that case.

Reported-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Fixes: 258031c017c3 ("perf header: Add DIR_FORMAT feature to describe directory data")
Link: http://lkml.kernel.org/r/20190409100156.20303-1-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.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 49ee3c2033ec..c3625ec374e0 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -1308,6 +1308,7 @@ static void init_features(struct perf_session *session)
 	for (feat = HEADER_FIRST_FEATURE; feat < HEADER_LAST_FEATURE; feat++)
 		perf_header__set_feat(&session->header, feat);
 
+	perf_header__clear_feat(&session->header, HEADER_DIR_FORMAT);
 	perf_header__clear_feat(&session->header, HEADER_BUILD_ID);
 	perf_header__clear_feat(&session->header, HEADER_TRACING_DATA);
 	perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK);