This is a note to let you know that I've just added the patch titled
perf stat: Fix CVS output format for non-supported counters
to the 4.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
perf-stat-fix-cvs-output-format-for-non-supported-counters.patch
and it can be found in the queue-4.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 40c21898ba5372c14ef71717040529794a91ccc2 Mon Sep 17 00:00:00 2001
From: Ilya Pronin <ipronin@xxxxxxxxxxx>
Date: Mon, 5 Mar 2018 22:43:53 -0800
Subject: perf stat: Fix CVS output format for non-supported counters
From: Ilya Pronin <ipronin@xxxxxxxxxxx>
commit 40c21898ba5372c14ef71717040529794a91ccc2 upstream.
When printing stats in CSV mode, 'perf stat' appends extra separators
when a counter is not supported:
<not supported>,,L1-dcache-store-misses,mesos/bd442f34-2b4a-47df-b966-9b281f9f56fc,0,100.00,,,,
Which causes a failure when parsing fields. The numbers of separators
should be the same for each line, no matter if the counter is or not
supported.
Signed-off-by: Ilya Pronin <ipronin@xxxxxxxxxxx>
Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/20180306064353.31930-1-xiyou.wangcong@xxxxxxxxx
Fixes: 92a61f6412d3 ("perf stat: Implement CSV metrics output")
Signed-off-by: Cong Wang <xiyou.wangcong@xxxxxxxxx>
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
tools/perf/builtin-stat.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -967,7 +967,7 @@ static void print_metric_csv(void *ctx,
char buf[64], *vals, *ends;
if (unit == NULL || fmt == NULL) {
- fprintf(out, "%s%s%s%s", csv_sep, csv_sep, csv_sep, csv_sep);
+ fprintf(out, "%s%s", csv_sep, csv_sep);
return;
}
snprintf(buf, sizeof(buf), fmt, val);
Patches currently in stable-queue which might be from ipronin@xxxxxxxxxxx are
queue-4.15/perf-stat-fix-cvs-output-format-for-non-supported-counters.patch