[lkml]   [2002]   [Nov]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [BENCHMARK] 2.5.46-mm1 with contest
Alan Willis wrote:
> > Why? We are preempting during the generic file write/read routines, I
> > bet, which can otherwise be long periods of latency. CPU is up and I
> > bet the throughput is down, but his test is getting the attention it
> > wants.
> I'm curious, would running contest after a fresh boot and with profile=2
> provide a profile that tells exactly where time is being spent? Since
> about 2.5.45 I've had some strange slow periods, and starting aterm
> would take a while, redrawing windows in X would slow down, it 'feels'
> like my workstation becomes a laptop that is just waking up. Sometimes
> this is after only a few minutes of inactivity, or after switching
> virtual desktops in kde, or when I have alot of aterm instances running.

- Run `vmstat 1', and see if the slowdowns coincide with any unusual
IO activity.

- Could be the scheduler. Try
renice -19 $(pidof X) $(pidof aterm) $(pidof other stuff)
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:30    [W:0.079 / U:0.280 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site