lkml.org 
[lkml]   [2009]   [Sep]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/3] tracing: block-able ring_buffer consumer
On Wed, Sep 02, 2009 at 01:05:10AM +0200, Frederic Weisbecker wrote:
> void poll_wait_pipe(struct trace_iterator *iter)
> {
> set_current_state(TASK_INTERRUPTIBLE);
> /* sleep for 100 msecs, and try again. */
> schedule_timeout(HZ / 10);
> }
>
> On the worst case the reader will wait for 1/100 secs
> (the comment is wrong).


No the comment is not wrong. It's just that I really suck in math :-)


>
> You can probably use the same thing for ring buffer splice
> and poll waiters.
>
> Frederic.
>



\
 
 \ /
  Last update: 2009-09-02 01:15    [from the cache]
©2003-2011 Jasper Spaans