linux-kernel - [PATCH 08/10] perf tools: Do not change lib/api/fs/debugfs directly

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Message-Id: <1440785196-27476-9-git-send-email-acme@kernel.org>
Date:	Fri, 28 Aug 2015 15:06:34 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
	Raphael Beamonte <raphael.beamonte@...il.com>,
	David Ahern <dsahern@...il.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 08/10] perf tools: Do not change lib/api/fs/debugfs directly

From: Jiri Olsa <jolsa@...nel.org>

The tracing_events_path is the variable we want to change via
--debugfs-dir option, not the debugfs_mountpoint.

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Reviewed-by: Matt Fleming <matt@...eblueprint.co.uk>
Cc: Raphael Beamonte <raphael.beamonte@...il.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/r/1440596813-12844-4-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/perf.c      | 2 +-
 tools/perf/util/util.c | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/tools/perf/perf.c b/tools/perf/perf.c
index b857fcbd00cf..07dbff5c0e60 100644
--- a/tools/perf/perf.c
+++ b/tools/perf/perf.c
@@ -231,7 +231,7 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
 			(*argc)--;
 		} else if (!prefixcmp(cmd, CMD_DEBUGFS_DIR)) {
 			perf_debugfs_set_path(cmd + strlen(CMD_DEBUGFS_DIR));
-			fprintf(stderr, "dir: %s\n", debugfs_mountpoint);
+			fprintf(stderr, "dir: %s\n", tracing_path);
 			if (envchanged)
 				*envchanged = 1;
 		} else if (!strcmp(cmd, "--list-cmds")) {
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index d33c34196a5a..7acafb3c5592 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -439,7 +439,6 @@ const char *perf_debugfs_mount(const char *mountpoint)
 
 void perf_debugfs_set_path(const char *mntpt)
 {
-	snprintf(debugfs_mountpoint, strlen(debugfs_mountpoint), "%s", mntpt);
 	set_tracing_events_path("tracing/", mntpt);
 }
 
-- 
2.1.0

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