diff options
| -rw-r--r-- | tools/lib/api/fs/debugfs.c | 6 | ||||
| -rw-r--r-- | tools/lib/api/fs/debugfs.h | 2 | ||||
| -rw-r--r-- | tools/perf/builtin-trace.c | 5 |
3 files changed, 7 insertions, 6 deletions
diff --git a/tools/lib/api/fs/debugfs.c b/tools/lib/api/fs/debugfs.c index fb700eed61c2..5e8f3913de43 100644 --- a/tools/lib/api/fs/debugfs.c +++ b/tools/lib/api/fs/debugfs.c @@ -100,7 +100,7 @@ out: return debugfs_mountpoint; } -int debugfs__strerror_open(int err, char *buf, size_t size) +int debugfs__strerror_open(int err, char *buf, size_t size, const char *filename) { char sbuf[128]; @@ -114,9 +114,9 @@ int debugfs__strerror_open(int err, char *buf, size_t size) break; case EACCES: snprintf(buf, size, - "Error:\tNo permissions to read %s/tracing/events/raw_syscalls\n" + "Error:\tNo permissions to read %s/%s\n" "Hint:\tTry 'sudo mount -o remount,mode=755 %s'\n", - debugfs_mountpoint, debugfs_mountpoint); + debugfs_mountpoint, filename, debugfs_mountpoint); break; default: snprintf(buf, size, "%s", strerror_r(err, sbuf, sizeof(sbuf))); diff --git a/tools/lib/api/fs/debugfs.h b/tools/lib/api/fs/debugfs.h index afa5043fec61..a1799aecd4d5 100644 --- a/tools/lib/api/fs/debugfs.h +++ b/tools/lib/api/fs/debugfs.h @@ -26,6 +26,6 @@ char *debugfs_mount(const char *mountpoint); extern char debugfs_mountpoint[]; -int debugfs__strerror_open(int err, char *buf, size_t size); +int debugfs__strerror_open(int err, char *buf, size_t size, const char *filename); #endif /* __API_DEBUGFS_H__ */ diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 2f82dd78b086..684609d7a83d 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -2056,7 +2056,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv) if (trace->trace_syscalls && perf_evlist__add_syscall_newtp(evlist, trace__sys_enter, trace__sys_exit)) - goto out_error_tp; + goto out_error_raw_syscalls; if (trace->trace_syscalls) perf_evlist__add_vfs_getname(evlist); @@ -2210,7 +2210,8 @@ out: char errbuf[BUFSIZ]; out_error_tp: - debugfs__strerror_open(errno, errbuf, sizeof(errbuf)); +out_error_raw_syscalls: + debugfs__strerror_open(errno, errbuf, sizeof(errbuf), "tracing/events/raw_syscalls"); goto out_error; out_error_mmap: |