linux-kernel - [PATCH 11/11] perf stat: Add missing separator in the CSV header

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Date:   Fri, 11 Nov 2022 19:22:44 -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 11/11] perf stat: Add missing separator in the CSV header

It should have a comma after 'cpus' for socket and die aggregation mode.
The output of the following command shows the issue.

  $ sudo perf stat -a --per-socket -x, --metric-only -I1 true

Before:
                  +--- here
                  V
   time,socket,cpusGhz,insn per cycle,branch-misses of all branches,
       0.000908461,S0,8,0.950,1.65,1.21,

After:
   time,socket,cpus,GHz,insn per cycle,branch-misses of all branches,
       0.000683094,S0,8,0.593,2.00,0.60,

Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/util/stat-display.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
index 96bb7a42fd41..a316807255cd 100644
--- a/tools/perf/util/stat-display.c
+++ b/tools/perf/util/stat-display.c
@@ -828,8 +828,8 @@ static int aggr_header_lens[] = {
 
 static const char *aggr_header_csv[] = {
 	[AGGR_CORE] 	= 	"core,cpus,",
-	[AGGR_DIE] 	= 	"die,cpus",
-	[AGGR_SOCKET] 	= 	"socket,cpus",
+	[AGGR_DIE] 	= 	"die,cpus,",
+	[AGGR_SOCKET] 	= 	"socket,cpus,",
 	[AGGR_NONE] 	= 	"cpu,",
 	[AGGR_THREAD] 	= 	"comm-pid,",
 	[AGGR_NODE] 	= 	"node,",
-- 
2.38.1.493.g58b659f92b-goog