Messages in this thread | | | From | Daniel Klaffenbach <> | Subject | Re: [2.6.25-stable PATCH] regression: powertop says 120K wakeups/sec | Date | Mon, 28 Apr 2008 12:09:47 +0200 |
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> commit 0fda6b403f0eca66ad8a7c946b3996e359100443 > > Patch to fix huge number of wakeups reported due to recent changes in > processor_idle.c. The problem was that the entry_method determination was > broken due to one of the recent commits (bc71bec91f987) causing > C1 entry to not to go to halt. > > http://lkml.org/lkml/2008/3/22/124 > > Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> > Signed-off-by: Len Brown <len.brown@intel.com> OK, this fixes my issue with the massive amount of wakeups: http://lkml.org/lkml/2008/4/24/70
However the CPU does not really go to C1 or C2 after applying this patch to the latest git kernel:
Cn Avg residency P-states (frequencies) C0 (cpu running) (99,4%) 1,80 Ghz 0,0% C1 0,0ms ( 0,0%) 1,60 Ghz 0,0% C2 0,0ms ( 0,6%) 800 Mhz 100,0%
- Daniel [unhandled content-type:application/pgp-signature] | |