perf tools: Modify perf routines to use new debugfs routines
modify perf.c get_debugfs_mntpnt() to use the util/debugfs.c
debugfs_find_mountpoint()
modify util/parse-events.c to use debugfs_valid_mountpoint().
Signed-off-by: Clark Williams <williams@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <20091101155720.624cc87e@torg>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 31baa5a..097938a 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -7,6 +7,7 @@
#include "string.h"
#include "cache.h"
#include "header.h"
+#include "debugfs.h"
int nr_counters;
@@ -149,16 +150,6 @@
#define MAX_EVENT_LENGTH 512
-int valid_debugfs_mount(const char *debugfs)
-{
- struct statfs st_fs;
-
- if (statfs(debugfs, &st_fs) < 0)
- return -ENOENT;
- else if (st_fs.f_type != (long) DEBUGFS_MAGIC)
- return -ENOENT;
- return 0;
-}
struct tracepoint_path *tracepoint_id_to_path(u64 config)
{
@@ -171,7 +162,7 @@
char evt_path[MAXPATHLEN];
char dir_path[MAXPATHLEN];
- if (valid_debugfs_mount(debugfs_path))
+ if (debugfs_valid_mountpoint(debugfs_path))
return NULL;
sys_dir = opendir(debugfs_path);
@@ -510,7 +501,7 @@
char sys_name[MAX_EVENT_LENGTH];
unsigned int sys_length, evt_length;
- if (valid_debugfs_mount(debugfs_path))
+ if (debugfs_valid_mountpoint(debugfs_path))
return 0;
evt_name = strchr(*strp, ':');
@@ -788,7 +779,7 @@
char evt_path[MAXPATHLEN];
char dir_path[MAXPATHLEN];
- if (valid_debugfs_mount(debugfs_path))
+ if (debugfs_valid_mountpoint(debugfs_path))
return;
sys_dir = opendir(debugfs_path);