On Tue, Mar 12, 2019 at 08:30:13AM +0300, Alexey Budankov wrote:
SNIP
> -
> - md->prev = head;
> - perf_mmap__consume(md);
> -
> - rc = push(to, &md->aio.cblocks[idx], md->aio.data[idx], size0 + size,
> *off);
> - if (!rc) {
> - *off += size0 + size;
> - } else {
> - /*
> - * Decrement md->refcount back if aio write
> - * operation failed to start.
> - */
> - perf_mmap__put(md);
> - }
> -
> - return rc;
> -}
> #else /* !HAVE_AIO_SUPPORT */
> static int perf_mmap__aio_enabled(struct perf_mmap *map __maybe_unused)
> {
> @@ -566,7 +492,7 @@ int perf_mmap__push(struct perf_mmap *md, void *to,
>
> rc = perf_mmap__read_init(md);
> if (rc < 0)
> - return (rc == -EAGAIN) ? 0 : -1;
> + return (rc == -EAGAIN) ? 1 : -1;
hum, should this be in part of this one?
perf record: implement -f,--mmap-flush=<threshold> option
jirka
