* cpu idle time going backward
@ 2011-12-08 11:15 Andreas Schwab
2011-12-08 19:53 ` kevin diggs
[not found] ` <CAKTLLVTHHSDTxybfJn3r0JOeRGtxgzJyCwAFf8w8gDxqbuXbyA__24208.5847691216$1323374038$gmane$org@mail.gmail.com>
0 siblings, 2 replies; 3+ messages in thread
From: Andreas Schwab @ 2011-12-08 11:15 UTC (permalink / raw)
To: linuxppc-dev
There seems to be something wrong with cpu idle time accounting at least
on G5. The value as reported in the cpu lines in /proc/stat seems to be
stuck in the interval [100000,210000] for each cpu, jumping back at
random points. Any idea what could be the problem?
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: cpu idle time going backward 2011-12-08 11:15 cpu idle time going backward Andreas Schwab @ 2011-12-08 19:53 ` kevin diggs [not found] ` <CAKTLLVTHHSDTxybfJn3r0JOeRGtxgzJyCwAFf8w8gDxqbuXbyA__24208.5847691216$1323374038$gmane$org@mail.gmail.com> 1 sibling, 0 replies; 3+ messages in thread From: kevin diggs @ 2011-12-08 19:53 UTC (permalink / raw) To: Andreas Schwab; +Cc: linuxppc-dev On 12/8/11, Andreas Schwab <schwab@linux-m68k.org> wrote: > There seems to be something wrong with cpu idle time accounting at least > on G5. The value as reported in the cpu lines in /proc/stat seems to be > stuck in the interval [100000,210000] for each cpu, jumping back at > random points. Any idea what could be the problem? > > Andreas. > > -- What kernel versions? kevin ^ permalink raw reply [flat|nested] 3+ messages in thread
[parent not found: <CAKTLLVTHHSDTxybfJn3r0JOeRGtxgzJyCwAFf8w8gDxqbuXbyA__24208.5847691216$1323374038$gmane$org@mail.gmail.com>]
* Re: cpu idle time going backward [not found] ` <CAKTLLVTHHSDTxybfJn3r0JOeRGtxgzJyCwAFf8w8gDxqbuXbyA__24208.5847691216$1323374038$gmane$org@mail.gmail.com> @ 2011-12-09 9:52 ` Andreas Schwab 0 siblings, 0 replies; 3+ messages in thread From: Andreas Schwab @ 2011-12-09 9:52 UTC (permalink / raw) To: kevin diggs; +Cc: linuxppc-dev kevin diggs <diggskevin38@gmail.com> writes: > On 12/8/11, Andreas Schwab <schwab@linux-m68k.org> wrote: >> There seems to be something wrong with cpu idle time accounting at least >> on G5. The value as reported in the cpu lines in /proc/stat seems to be >> stuck in the interval [100000,210000] for each cpu, jumping back at >> random points. Any idea what could be the problem? >> >> Andreas. >> >> -- > What kernel versions? It started with 3.2-rc1. Will try to bisect. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different." ^ permalink raw reply [flat|nested] 3+ messages in thread
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2011-12-08 11:15 cpu idle time going backward Andreas Schwab
2011-12-08 19:53 ` kevin diggs
[not found] ` <CAKTLLVTHHSDTxybfJn3r0JOeRGtxgzJyCwAFf8w8gDxqbuXbyA__24208.5847691216$1323374038$gmane$org@mail.gmail.com>
2011-12-09 9:52 ` Andreas Schwab
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