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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/util/debugfs.h
parent07b139c8c81b97bbe55c68daf0cbeca8b1c609ca (diff)
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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/util/debugfs.h')
-rw-r--r--tools/perf/util/debugfs.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/debugfs.h b/tools/perf/util/debugfs.h
index 3cd14f9..83a0287 100644
--- a/tools/perf/util/debugfs.h
+++ b/tools/perf/util/debugfs.h
@@ -15,7 +15,7 @@
extern const char *debugfs_find_mountpoint(void);
extern int debugfs_valid_mountpoint(const char *debugfs);
extern int debugfs_valid_entry(const char *path);
-extern int debugfs_mount(const char *mountpoint);
+extern char *debugfs_mount(const char *mountpoint);
extern int debugfs_umount(void);
extern int debugfs_write(const char *entry, const char *value);
extern int debugfs_read(const char *entry, char *buffer, size_t size);