Messages in this thread | | | From | Stephen.Rothwell@canb ... | Subject | Re: SMP Scheduling problem? 2.2.1 | Date | Sun, 07 Feb 1999 14:01:54 +1100 |
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More info ...
Stephen Rothwell <sfr@canb.auug.org.au> writes: > > I have a very long running CPU bound process running. It starts > at boot time. I am running on a SMP dual Pentium II 350 and under > 2.2.0 pre 4 (I think, my be pre 7) this process would cause top > to report 99.9% user time and the CPU time usage of this process > would keep pace with total uptime over several hours i.e. it just > runa on one CPU and abosorbed all its time (this is what I would > expect).
the /proc/xxx/cpu file for this process looks like this:
cpu 385220 202 cpu0 207779 47 cpu1 177441 155
a while later:
cpu 399219 204 cpu0 214922 48 cpu1 184297 156
i.e. it keeps changing cpu's. Is this normal? I thought we preferred to keep a process on a single cpu.
Cheers, Stephen -- Stephen Rothwell Stephen.Rothwell@canb.auug.org.au http://www.canb.auug.org.au/~sfr/
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