linux-kernel - [tip:perf/core] perf metricgroup: Use strsep()

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Message-ID: <tip-f2siadtp3hb5o0l1w7bvd8bk@git.kernel.org>
Date:   Wed, 3 Jul 2019 07:21:22 -0700
From:   tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     hpa@...or.com, adrian.hunter@...el.com, mingo@...nel.org,
        namhyung@...nel.org, acme@...hat.com, linux-kernel@...r.kernel.org,
        ak@...ux.intel.com, tglx@...utronix.de, jolsa@...nel.org
Subject: [tip:perf/core] perf metricgroup: Use strsep()

Commit-ID:  80e9073f1f4473639d585b89ebc9130bb47920e8
Gitweb:     https://git.kernel.org/tip/80e9073f1f4473639d585b89ebc9130bb47920e8
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Wed, 26 Jun 2019 11:21:47 -0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 26 Jun 2019 11:31:43 -0300

perf metricgroup: Use strsep()

No change in behaviour intended, trivial optimization done by avoiding
looking for spaces in 'g' right after setting it to "No_group".

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Andi Kleen <ak@...ux.intel.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Link: https://lkml.kernel.org/n/tip-f2siadtp3hb5o0l1w7bvd8bk@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/metricgroup.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index a0cf3cd95ced..90cd84e2a503 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -308,10 +308,9 @@ void metricgroup__print(bool metrics, bool metricgroups, char *filter,
 				struct mep *me;
 				char *s;
 
+				g = skip_spaces(g);
 				if (*g == 0)
 					g = "No_group";
-				while (isspace(*g))
-					g++;
 				if (filter && !strstr(g, filter))
 					continue;
 				if (raw)