Messages in this thread | | | Date | Sun, 18 Nov 2018 22:33:55 -0800 (PST) | Subject | Re: [PATCH RFC] hist lookups | From | David Miller <> |
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From: Namhyung Kim <namhyung@kernel.org> Date: Mon, 19 Nov 2018 15:28:37 +0900
> Hello David, > > On Sun, Nov 18, 2018 at 08:52:43PM -0800, David Miller wrote: >> From: Jiri Olsa <jolsa@redhat.com> >> Date: Tue, 13 Nov 2018 11:40:54 +0100 >> >> > I pushed/rebased what I have to perf/fixes branch again >> > >> > please note I had to change our compile changes, because >> > they wouldn't compile on x86, but I can't verify on sparc, >> > so you might see some compile fails again >> >> I just checked your current perf/fixes branch. >> >> It builds on Sparc ;-) >> >> And it behaves better too. I do get tons of drops and lost events, >> but it seems to keep going even during the hardest load. >> >> Eventually I end up with a lot of unresolvable histogram entries, >> so that is something to look into. > > Did you record callchains as well? I'd like to know whether it's > related to the children (cumulative) mode or not.
I did not have callchains on, just plain "./perf top"
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