linux-kernel - [PATCH 01/11] perf stat: Fix crash with --per-node --metric-only in CSV mode

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Message-Id: <20221112032244.1077370-2-namhyung@kernel.org>
Date:   Fri, 11 Nov 2022 19:22:34 -0800
From:   Namhyung Kim <namhyung@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Ian Rogers <irogers@...gle.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        linux-perf-users@...r.kernel.org,
        Kan Liang <kan.liang@...ux.intel.com>,
        Zhengjun Xing <zhengjun.xing@...ux.intel.com>,
        James Clark <james.clark@....com>
Subject: [PATCH 01/11] perf stat: Fix crash with --per-node --metric-only in CSV mode

The following command will get segfault due to missing aggr_header_csv
for AGGR_NODE:

  $ sudo perf stat -a --per-node -x, --metric-only true

Fixes: 86895b480a2f ("perf stat: Add --per-node agregation support")
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/util/stat-display.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
index 657434cd29ee..ea41e6308c50 100644
--- a/tools/perf/util/stat-display.c
+++ b/tools/perf/util/stat-display.c
@@ -534,7 +534,7 @@ static void printout(struct perf_stat_config *config, struct aggr_cpu_id id, int
 			[AGGR_CORE] = 2,
 			[AGGR_THREAD] = 1,
 			[AGGR_UNSET] = 0,
-			[AGGR_NODE] = 0,
+			[AGGR_NODE] = 1,
 		};
 
 		pm = config->metric_only ? print_metric_only_csv : print_metric_csv;
@@ -819,6 +819,7 @@ static int aggr_header_lens[] = {
 	[AGGR_SOCKET] = 12,
 	[AGGR_NONE] = 6,
 	[AGGR_THREAD] = 24,
+	[AGGR_NODE] = 6,
 	[AGGR_GLOBAL] = 0,
 };
 
@@ -828,6 +829,7 @@ static const char *aggr_header_csv[] = {
 	[AGGR_SOCKET] 	= 	"socket,cpus",
 	[AGGR_NONE] 	= 	"cpu,",
 	[AGGR_THREAD] 	= 	"comm-pid,",
+	[AGGR_NODE] 	= 	"node,",
 	[AGGR_GLOBAL] 	=	""
 };
 
-- 
2.38.1.493.g58b659f92b-goog