Messages in this thread | | | Date | Fri, 18 Sep 2009 13:50:53 +0200 | From | Ingo Molnar <> | Subject | Re: [ofa-general] Re: [GIT PULL] please pull ummunotify |
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* Roland Dreier <rdreier@cisco.com> wrote:
> > But yeah, I currently don't see a very nice match to perf counters. > > OK. It would be nice to tie into something more general, but I think > I agree -- perf counters are missing the filtering and the "no lost > events" that ummunotify does have. And I'm not sure it's worth > messing up the perf counters design just to jam one more not totally > related thing in.
The filtering can be done and has been done - see Li Zefan's patchset that uses filter expressions to do per event in-kernel filtering.
The OOM DoS is a bug in your patches i think, which perfcounters solves ;-)
Ingo
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