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Date: Tue, 5 Nov 2013 21:44:02 -0800
From: tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To: linux-tip-commits@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, eranian@...gle.com, paulus@...ba.org,
acme@...hat.com, hpa@...or.com, mingo@...nel.org,
peterz@...radead.org, efault@....de, jolsa@...hat.com,
fweisbec@...il.com, adrian.hunter@...el.com, dsahern@...il.com,
tglx@...utronix.de
Subject: [tip:perf/core] perf fs: Rename NAME_find_mountpoint()
to NAME__mountpoint()
Commit-ID: cf38fadade52df937521dd70d4437df1a9354cd9
Gitweb: http://git.kernel.org/tip/cf38fadade52df937521dd70d4437df1a9354cd9
Author: Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Tue, 5 Nov 2013 14:48:50 -0300
Committer: Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Tue, 5 Nov 2013 15:15:00 -0300
perf fs: Rename NAME_find_mountpoint() to NAME__mountpoint()
Shorten it, "finding" it is an implementation detail, what callers want
is the pathname, not to ask for it to _always_ do the lookup.
And the existing implementation already caches it, i.e. it doesn't
"finds" it on every call.
Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Mike Galbraith <efault@....de>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/n/tip-r24wa4bvtccg7mnkessrbbdj@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
tools/perf/tests/parse-events.c | 4 ++--
tools/perf/util/cpumap.c | 4 ++--
tools/perf/util/fs.c | 12 ++++++------
tools/perf/util/fs.h | 2 +-
tools/perf/util/pmu.c | 15 +++++----------
5 files changed, 16 insertions(+), 21 deletions(-)
diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index f47bf45..ef671cd 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -1456,7 +1456,7 @@ static int test_pmu(void)
int ret;
snprintf(path, PATH_MAX, "%s/bus/event_source/devices/cpu/format/",
- sysfs_find_mountpoint());
+ sysfs__mountpoint());
ret = stat(path, &st);
if (ret)
@@ -1473,7 +1473,7 @@ static int test_pmu_events(void)
int ret;
snprintf(path, PATH_MAX, "%s/bus/event_source/devices/cpu/events/",
- sysfs_find_mountpoint());
+ sysfs__mountpoint());
ret = stat(path, &st);
if (ret) {
diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
index 4af5a23..a9b48c4 100644
--- a/tools/perf/util/cpumap.c
+++ b/tools/perf/util/cpumap.c
@@ -216,7 +216,7 @@ int cpu_map__get_socket(struct cpu_map *map, int idx)
cpu = map->map[idx];
- mnt = sysfs_find_mountpoint();
+ mnt = sysfs__mountpoint();
if (!mnt)
return -1;
@@ -279,7 +279,7 @@ int cpu_map__get_core(struct cpu_map *map, int idx)
cpu = map->map[idx];
- mnt = sysfs_find_mountpoint();
+ mnt = sysfs__mountpoint();
if (!mnt)
return -1;
diff --git a/tools/perf/util/fs.c b/tools/perf/util/fs.c
index a2413e8..77bac4e 100644
--- a/tools/perf/util/fs.c
+++ b/tools/perf/util/fs.c
@@ -88,7 +88,7 @@ static const char *fs__get_mountpoint(struct fs *fs)
return fs__read_mounts(fs) ? fs->path : NULL;
}
-static const char *fs__find_mountpoint(int idx)
+static const char *fs__mountpoint(int idx)
{
struct fs *fs = &fs__entries[idx];
@@ -98,10 +98,10 @@ static const char *fs__find_mountpoint(int idx)
return fs__get_mountpoint(fs);
}
-#define FIND_MOUNTPOINT(name, idx) \
-const char *name##_find_mountpoint(void) \
-{ \
- return fs__find_mountpoint(idx); \
+#define FS__MOUNTPOINT(name, idx) \
+const char *name##__mountpoint(void) \
+{ \
+ return fs__mountpoint(idx); \
}
-FIND_MOUNTPOINT(sysfs, FS__SYSFS);
+FS__MOUNTPOINT(sysfs, FS__SYSFS);
diff --git a/tools/perf/util/fs.h b/tools/perf/util/fs.h
index 082edbd..a7561c8 100644
--- a/tools/perf/util/fs.h
+++ b/tools/perf/util/fs.h
@@ -1,6 +1,6 @@
#ifndef __PERF_FS
#define __PERF_FS
-const char *sysfs_find_mountpoint(void);
+const char *sysfs__mountpoint(void);
#endif /* __PERF_FS */
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 45b42df..c232d8d 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -77,9 +77,8 @@ static int pmu_format(const char *name, struct list_head *format)
{
struct stat st;
char path[PATH_MAX];
- const char *sysfs;
+ const char *sysfs = sysfs__mountpoint();
- sysfs = sysfs_find_mountpoint();
if (!sysfs)
return -1;
@@ -166,9 +165,8 @@ static int pmu_aliases(const char *name, struct list_head *head)
{
struct stat st;
char path[PATH_MAX];
- const char *sysfs;
+ const char *sysfs = sysfs__mountpoint();
- sysfs = sysfs_find_mountpoint();
if (!sysfs)
return -1;
@@ -212,11 +210,10 @@ static int pmu_type(const char *name, __u32 *type)
{
struct stat st;
char path[PATH_MAX];
- const char *sysfs;
FILE *file;
int ret = 0;
+ const char *sysfs = sysfs__mountpoint();
- sysfs = sysfs_find_mountpoint();
if (!sysfs)
return -1;
@@ -241,11 +238,10 @@ static int pmu_type(const char *name, __u32 *type)
static void pmu_read_sysfs(void)
{
char path[PATH_MAX];
- const char *sysfs;
DIR *dir;
struct dirent *dent;
+ const char *sysfs = sysfs__mountpoint();
- sysfs = sysfs_find_mountpoint();
if (!sysfs)
return;
@@ -270,11 +266,10 @@ static struct cpu_map *pmu_cpumask(const char *name)
{
struct stat st;
char path[PATH_MAX];
- const char *sysfs;
FILE *file;
struct cpu_map *cpus;
+ const char *sysfs = sysfs__mountpoint();
- sysfs = sysfs_find_mountpoint();
if (!sysfs)
return NULL;
--
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