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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