Commit-ID: cf38fadade52df937521dd70d4437df1a9354cd9 Gitweb: http://git.kernel.org/tip/cf38fadade52df937521dd70d4437df1a9354cd9 Author: Arnaldo Carvalho de Melo <a...@redhat.com> AuthorDate: Tue, 5 Nov 2013 14:48:50 -0300 Committer: Arnaldo Carvalho de Melo <a...@redhat.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.hun...@intel.com> Cc: David Ahern <dsah...@gmail.com> Cc: Frederic Weisbecker <fweis...@gmail.com> Cc: Jiri Olsa <jo...@redhat.com> Cc: Mike Galbraith <efa...@gmx.de> Cc: Paul Mackerras <pau...@samba.org> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Stephane Eranian <eran...@google.com> Link: http://lkml.kernel.org/n/tip-r24wa4bvtccg7mnkessrb...@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.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; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
