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Groups > linux.kernel > #1412281
| From | Andi Kleen <andi@firstfloor.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/4] perf stat: Add computation of TopDown formulas |
| Date | 2016-06-02 16:30 +0200 |
| Message-ID | <rFBNf-71V-15@gated-at.bofh.it> (permalink) |
| References | <rCqEG-7B3-11@gated-at.bofh.it> <rCqEG-7B3-9@gated-at.bofh.it> <rFfMJ-1eo-17@gated-at.bofh.it> <rFfMJ-1eo-15@gated-at.bofh.it> <rFzBM-5Mk-39@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, Jun 02, 2016 at 06:56:51AM -0500, Nilay Vaish wrote: > Andi, I am talking about the if statement. I don't know why it would > happen that nothing got measured. I am guessing you saw it happen. > May be we can add a comment in the patch that it is possible that all > counter values are zero and therefore we need that if statement. Sure it can happen that nothing got measured, for example if the program didn't run, or the group didn't get scheduled. -Andi
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Re: [PATCH 2/4] perf stat: Add computation of TopDown formulas Nilay Vaish <nilayvaish@gmail.com> - 2016-06-01 17:00 +0200
Re: [PATCH 2/4] perf stat: Add computation of TopDown formulas Andi Kleen <ak@linux.intel.com> - 2016-06-01 17:00 +0200
Re: [PATCH 2/4] perf stat: Add computation of TopDown formulas Nilay Vaish <nilayvaish@gmail.com> - 2016-06-02 14:10 +0200
Re: [PATCH 2/4] perf stat: Add computation of TopDown formulas Andi Kleen <andi@firstfloor.org> - 2016-06-02 16:30 +0200
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