Sebastien Roy wrote: > On Mon, 2009-09-21 at 12:00 -0700, Eric Saxe wrote: > >> Eric Saxe wrote: >> >>>> See: >>>> >>>> CR 3883663 b122 does not scale cpu frequency >>>> >>> I upgraded my desktop to build 121, and when running X I see the same >>> thing. There's earlier discussion on the list about some runaway Gnome >>> activity which is keeping things busy...I haven't seen that isolated >>> yet (so I'm taking a look). >>> >>> poll-mode CPU is sampling based, adjusting frequencies based on >>> utilization over the sampling interval. event-mode (the default) is >>> more responsive...it filters out t >>> >> I killed the desktop print manager, which by itself was chewing up about >> 1% of CPU, and this also caused svc.configd (which was also consuming ~ >> 2.2%) to calm down as well. My desktop is now at the lowest P-state >> nearly 100% of the time when idle now... >> > > As I mention in 6883663, my system is mostly idle. I resolved the print > manager issue a while ago on my laptop, yet my CPU is still pegged at > 100%. I brought this up a few weeks ago in the thread entitled "pm > confusion and build 122" with no resolution. >
Sorry, in my following of the thread, I thought the X activity was causal here...and perhaps in your case that's only partly true... What % of time are you spending in C0 on the idle system? Does powertop still show frequent wakeups? Thanks, -Eric
