diff options
Diffstat (limited to 'tools/perf/util/session.c')
| -rw-r--r-- | tools/perf/util/session.c | 22 |
1 files changed, 2 insertions, 20 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 0f7e544544f5..b163dfd6cbc5 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -838,23 +838,6 @@ static struct thread *perf_session__register_idle_thread(struct perf_session *se return thread; } -int do_read(int fd, void *buf, size_t size) -{ - void *buf_start = buf; - - while (size) { - int ret = read(fd, buf, size); - - if (ret <= 0) - return ret; - - size -= ret; - buf += ret; - } - - return buf - buf_start; -} - #define session_done() (*(volatile int *)(&session_done)) volatile int session_done; @@ -872,7 +855,7 @@ static int __perf_session__process_pipe_events(struct perf_session *self, head = 0; more: - err = do_read(self->fd, &event, sizeof(struct perf_event_header)); + err = readn(self->fd, &event, sizeof(struct perf_event_header)); if (err <= 0) { if (err == 0) goto done; @@ -892,8 +875,7 @@ more: p += sizeof(struct perf_event_header); if (size - sizeof(struct perf_event_header)) { - err = do_read(self->fd, p, - size - sizeof(struct perf_event_header)); + err = readn(self->fd, p, size - sizeof(struct perf_event_header)); if (err <= 0) { if (err == 0) { pr_err("unexpected end of event stream\n"); |