Messages in this thread | | | Date | Wed, 6 Jun 2018 16:19:02 -0700 | From | Andi Kleen <> | Subject | Re: [PATCH 01/10] perf tools: Uniquify the event name if there's no other matched event |
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On Thu, Jun 07, 2018 at 12:15:04AM +0200, Jiri Olsa wrote: > Currently by default we try to match the user specified PMU > name to all PMU units available and use them to aggregate > all matched PMUs event counts into one 'pattern' event. > > While this is useful for uncore events, it screws up names > for other events, where this is not desirable, like: > > Before: > # perf stat -e cp/cpu-cycles/ kill
I assume you mean cpU/cpu-cycles/ > > Performance counter stats for 'kill': > > 1,573,757 cp/cpu-cycles/ > > Keeping the pattern matching logic, but making the name unique > in case there's no other match found. That fixes the example > above and hopefully does not screw up anything else. > > After: > # perf stat -e cp/cpu-cycles/ kill > > Performance counter stats for 'kill': > > 1,573,757 cpu/cpu-cycles/
The output is 100% identical?
-Andi
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