On Fri, Oct 30, 2015 at 12:06:26PM +0800, Fam Zheng wrote:
> v4: Rebase onto master (with aio_disable_external):
> Don't use epoll if aio_external_disabled(ctx);
> Change assert on epoll_ctl return code to disable epoll;
> Rerun benchmark;
>
> v3: Remove the redundant check in aio_epoll_try_enable. [Stefan]
>
> v2: Merge aio-epoll.c into aio-posix.c. [Paolo]
> Capture some benchmark data in commit log.
>
> This series adds the ability to use epoll in aio_poll() on Linux. It's
> switched
> on in a dynamic way rather than static for two reasons: 1) when the number of
> fds is not high enough, using epoll has little advantage; 2) when an epoll
> incompatible fd needs to be handled, we need to fall back. The epoll is
> enabled when a fd number threshold is met.
>
>
> Fam Zheng (3):
> aio: Introduce aio_external_disabled
> aio: Introduce aio_context_setup
> aio: Introduce aio-epoll.c
>
> aio-posix.c | 188
> +++-
> aio-win32.c | 4 ++
> async.c | 13 +++-
> include/block/aio.h | 24 +++
> 4 files changed, 226 insertions(+), 3 deletions(-)
>
> --
> 2.4.3
>
Thanks, applied to my block tree:
https://github.com/stefanha/qemu/commits/block
Stefan
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