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perf tools: Modify perf routines to use new debugfs routines

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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>
This commit is contained in:
Clark Williams
2009-11-08 09:03:07 -06:00
committed by Ingo Molnar
parent afe61f6778
commit 549104f22b
2 changed files with 10 additions and 51 deletions
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17
tools/perf/util/parse-events.c
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@@ -7,6 +7,7 @@
#include "string.h"
#include "cache.h"
#include "header.h"
#include "debugfs.h"
int nr_counters;
@@ -149,16 +150,6 @@ static int tp_event_has_id(struct dirent *sys_dir, struct dirent *evt_dir)
#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 @@ struct tracepoint_path *tracepoint_id_to_path(u64 config)
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 @@ static enum event_result parse_tracepoint_event(const char **strp,
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 @@ static void print_tracepoint_events(void)
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);