Messages in this thread | | | Date | Tue, 02 Sep 2014 20:15:05 -0700 | From | Dave Hansen <> | Subject | Re: regression caused by cgroups optimization in 3.17-rc2 |
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On 09/02/2014 06:33 PM, Johannes Weiner wrote: > kfree isn't eating 56% of "all cpu time" here, and it wasn't clear to > me whether Dave filtered symbols from only memcontrol.o, memory.o, and > mmap.o in a similar way. I'm not arguing against the regression, I'm > just trying to make sense of the numbers from the *patched* kernel.
I guess I could have included it in the description, but that was a pretty vanilla run:
perf top --call-graph=fp --stdio > foo.txt
I didn't use any filtering. I didn't even know I _could_ filter. :)
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