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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-12-11 13:37:59 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-12-11 17:53:04 -0300 |
| commit | ce27309f67c347e6e49ebd45042f5362b0ccbdcc (patch) | |
| tree | 5ca6a4d73f1a41f8104cc558582478c6206cd42f /tools/perf/util/record.c | |
| parent | 42e3c4a1274d49b42e9d4306ec096b282a6e14aa (diff) | |
| download | linux-ce27309f67c347e6e49ebd45042f5362b0ccbdcc.tar.gz linux-ce27309f67c347e6e49ebd45042f5362b0ccbdcc.tar.bz2 linux-ce27309f67c347e6e49ebd45042f5362b0ccbdcc.zip | |
perf tools: Use sysctl__read_int instead of ad-hoc copies
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-pt2u7a3b50oddggecx7rwq2n@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/record.c')
| -rw-r--r-- | tools/perf/util/record.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/tools/perf/util/record.c b/tools/perf/util/record.c index cf69325b985f..8acd0df88b5c 100644 --- a/tools/perf/util/record.c +++ b/tools/perf/util/record.c @@ -137,16 +137,7 @@ void perf_evlist__config(struct perf_evlist *evlist, struct record_opts *opts) static int get_max_rate(unsigned int *rate) { - char path[PATH_MAX]; - const char *procfs = procfs__mountpoint(); - - if (!procfs) - return -1; - - snprintf(path, PATH_MAX, - "%s/sys/kernel/perf_event_max_sample_rate", procfs); - - return filename__read_int(path, (int *) rate); + return sysctl__read_int("kernel/perf_event_max_sample_rate", (int *)rate); } static int record_opts__config_freq(struct record_opts *opts) |