Messages in this thread | | | Subject | Re: [RFC PATCH 0/3] perf: show package power consumption in perf | From | Lin Ming <> | Date | Thu, 19 Aug 2010 16:15:38 +0800 |
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On Thu, 2010-08-19 at 15:54 +0800, Matt Fleming wrote: > On Thu, Aug 19, 2010 at 11:28:17AM +0800, Lin Ming wrote: > > On Wed, 2010-08-18 at 20:41 +0800, Matt Fleming wrote: > > > > > > I had a quick look over the patches and Peter is right - the group > > > events stuff would probably fit quite well here. Unfortunately, due to > > > holidays and things, I haven't been able to get them finished > > > yet. I'll get on that ASAP. > > > > Hi, Matt > > > > What's the "group events stuff"? > > Is there some discussion on LKML or elsewhere I can have a look at? > > > > Thanks, > > Lin Ming > > The relevant information can be found here in this thread, > http://lkml.org/lkml/2010/8/4/174. I'm working on some patches for > this but they're not finished yet. I can probably get something to > show by next week.
Thanks.
> > The discussion started because the performance counters on SH do not > generate an interrupt on overflow, so we need to periodically sample > them. Am I correct in thinking that the energy counters also do not > generate an interrupt on overflow and that's why you wrote the event > as a software event?
I think so.
Rui, could you confirm this?
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