Messages in this thread |  | | Date | Sun, 1 Jun 2003 13:07:04 -0700 | From | Andrew Morton <> | Subject | Re: Strange load issues with 2.5.69/70 in both -mm and -bk trees. |
| |
Tom Sightler <ttsig@tuxyturvy.com> wrote: > > On Sun, 2003-06-01 at 00:45, Andrew Morton wrote: > > Tom Sightler <ttsig@tuxyturvy.com> wrote: > > > > > > I simply reniced this process to -10 and > > > everything started working fine. Upon looking a little further it > > > seemed that the kernel was dynamically boosting the priority of the > > > process much higher than it probably should be, in the end, not leaving > > > enough CPU for playing the sounds without skipping. > > > > Yes, it seems that too many real-world applications are accidentally > > triggering this problem. > > > > Could you please run an strace of the boosted process, find out what it is > > doing to get itself boosted in this manner? Wait until things are in > > steady state and the process is boosted, then run `strace -tt <pid>' so we > > see the timing info. > > The strace was quite large so I have uploaded it to > http://tuxyturvy.com/strace-pluginserver.gz >
Seems to be doing lots of small reads and writes. Maybe to a pipe. What is the system context switch rate while this is happening? From `vmstat 1'?
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |