Messages in this thread | | | Subject | Re: regression introduced by - timers: fix itimer/many thread hang | From | Frank Mayhar <> | Date | Fri, 21 Nov 2008 11:26:03 -0800 |
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On Fri, 2008-11-21 at 19:42 +0100, Petr Tesarik wrote: > This is just not true. I've seen a very real example of a lockup with a very > sane number of threads (one per CPU), but on a very large machine (1024 CPUs > IIRC). The application set per-process CPU profiling with an interval of 1 > tick, which translates to 1024 timers firing off with each tick... > > Well, yes, that was broken, too, but that's the way one quite popular FORTRAN > compiler works...
Petr, have you tried the fix in the latest kernel? Does it help? I'm intensely curious to know how it affected your runs. -- Frank Mayhar <fmayhar@google.com> Google, Inc.
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