Patch "perf stat: Fix CVS output format for non-supported counters" has been added to the 4.14-stable tree

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 4.14-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-4.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Ilya Pronin <[email protected]>
Date: Mon, 5 Mar 2018 22:43:53 -0800
Subject: perf stat: Fix CVS output format for non-supported counters

From: Ilya Pronin <[email protected]>

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.

---
 tools/perf/builtin-stat.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

@@ -922,7 +922,7 @@ 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 [email protected] are

queue-4.14/perf-stat-fix-cvs-output-format-for-non-supported-counters.patch