diff options
Diffstat (limited to 'tools/perf/util/header.c')
| -rw-r--r-- | tools/perf/util/header.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index a2323d777dae..01b324c275b9 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -527,17 +527,11 @@ static int write_event_desc(struct feat_fd *ff, static int write_cmdline(struct feat_fd *ff, struct perf_evlist *evlist __maybe_unused) { - char buf[MAXPATHLEN]; - u32 n; - int i, ret; + char pbuf[MAXPATHLEN], *buf; + int i, ret, n; /* actual path to perf binary */ - ret = readlink("/proc/self/exe", buf, sizeof(buf) - 1); - if (ret <= 0) - return -1; - - /* readlink() does not add null termination */ - buf[ret] = '\0'; + buf = perf_exe(pbuf, MAXPATHLEN); /* account for binary path */ n = perf_env.nr_cmdline + 1; |