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authorXiao Guangrong <xiaoguangrong@cn.fujitsu.com>2009-12-28 16:47:12 +0800
committerIngo Molnar <mingo@elte.hu>2009-12-28 10:36:36 +0100
commit29c52aa2300173dd45df04dae1f5acc81a2c93b1 (patch)
treec27098eaff73c07d06420d43ce81683ed1bca612 /tools/perf/perf.c
parent07b139c8c81b97bbe55c68daf0cbeca8b1c609ca (diff)
downloadlinux-29c52aa2300173dd45df04dae1f5acc81a2c93b1.tar.gz
perf tools: Mount debugfs automatically
Mount debugfs filesystem under '/sys/kernel/debug', if it's not mounted. Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Clark Williams <williams@redhat.com> Cc: John Kacur <jkacur@redhat.com> LKML-Reference: <4B387090.7080407@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/perf.c')
-rw-r--r--tools/perf/perf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/perf.c b/tools/perf/perf.c
index 873e55fab375..fc89005c3e51 100644
--- a/tools/perf/perf.c
+++ b/tools/perf/perf.c
@@ -388,7 +388,7 @@ static int run_argv(int *argcp, const char ***argv)
/* mini /proc/mounts parser: searching for "^blah /mount/point debugfs" */
static void get_debugfs_mntpt(void)
{
- const char *path = debugfs_find_mountpoint();
+ const char *path = debugfs_mount(NULL);
if (path)
strncpy(debugfs_mntpt, path, sizeof(debugfs_mntpt));