On 05/06/2013 18:20, Eric Dumazet wrote:
On Wed, 2013-06-05 at 16:41 +0300, Eliezer Tamir wrote:
On 05/06/2013 16:30, Eric Dumazet wrote:
I am a bit uneasy with this one, because an applicatio polling() on one
thousand file descriptors using select()/poll(), will call sk_poll_ll()
one thousan
On Wed, 2013-06-05 at 16:41 +0300, Eliezer Tamir wrote:
> On 05/06/2013 16:30, Eric Dumazet wrote:
> > I am a bit uneasy with this one, because an applicatio polling() on one
> > thousand file descriptors using select()/poll(), will call sk_poll_ll()
> > one thousand times.
>
> But we call sk_pol
On 05/06/2013 17:17, Eric Dumazet wrote:
On Wed, 2013-06-05 at 06:56 -0700, Eric Dumazet wrote:
This looks quite easy, by adding in include/uapi/asm-generic/poll.h
#define POLL_LL 0x8000
And do the sk_poll_ll() call only if flag is set.
I do not think we have to support select(), as its lega
On Wed, 2013-06-05 at 06:56 -0700, Eric Dumazet wrote:
> This looks quite easy, by adding in include/uapi/asm-generic/poll.h
>
> #define POLL_LL 0x8000
>
> And do the sk_poll_ll() call only if flag is set.
>
> I do not think we have to support select(), as its legacy interface, and
> people wan
On Wed, 2013-06-05 at 14:49 +0100, David Laight wrote:
> > I am a bit uneasy with this one, because an applicatio polling() on one
> > thousand file descriptors using select()/poll(), will call sk_poll_ll()
> > one thousand times.
>
> Anything calling poll() on 1000 fds probably has performance
>
On Wed, 2013-06-05 at 16:41 +0300, Eliezer Tamir wrote:
> On 05/06/2013 16:30, Eric Dumazet wrote:
> > On Wed, 2013-06-05 at 13:34 +0300, Eliezer Tamir wrote:
> >> A very naive select/poll busy-poll support.
> >> Add busy-polling to sock_poll().
> >> When poll/select have nothing to report, call th
> I am a bit uneasy with this one, because an applicatio polling() on one
> thousand file descriptors using select()/poll(), will call sk_poll_ll()
> one thousand times.
Anything calling poll() on 1000 fds probably has performance
issues already! Which is why kevent schemes have been added.
At le
On 05/06/2013 16:30, Eric Dumazet wrote:
On Wed, 2013-06-05 at 13:34 +0300, Eliezer Tamir wrote:
A very naive select/poll busy-poll support.
Add busy-polling to sock_poll().
When poll/select have nothing to report, call the low-level
sock_poll() again until we are out of time or we find somethin
On Wed, 2013-06-05 at 13:34 +0300, Eliezer Tamir wrote:
> A very naive select/poll busy-poll support.
> Add busy-polling to sock_poll().
> When poll/select have nothing to report, call the low-level
> sock_poll() again until we are out of time or we find something.
> Right now we poll every socket
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