Thread (50 messages) 50 messages, 4 authors, 2016-10-04

Re: [PATCH v21 16/19] perf, tools: Make alias matching case-insensitive

From: Jiri Olsa <hidden>
Date: 2016-10-04 08:20:03
Also in: lkml

On Mon, Oct 03, 2016 at 09:54:48PM -0300, Arnaldo Carvalho de Melo wrote:
Em Mon, Oct 03, 2016 at 09:47:06PM -0300, Arnaldo Carvalho de Melo escreveu:
quoted
Em Thu, Sep 15, 2016 at 03:24:53PM -0700, Sukadev Bhattiprolu escreveu:
quoted
From: Andi Kleen <redacted>

Make alias matching the events parser case-insensitive. This is useful
with the JSON events. perf uses lower case events, but the CPU manuals
generally use upper case event names. The JSON files use lower
case by default too. But if we search case insensitively then
users can cut-n-paste the upper case event names.

So the following works:

% perf stat -e BR_INST_EXEC.TAKEN_INDIRECT_NEAR_CALL true

 Performance counter stats for 'true':

               305      BR_INST_EXEC.TAKEN_INDIRECT_NEAR_CALL

       0.000492799 seconds time elapsed
So now trying to figure this out:
Ok, so this is just another case of bad patch ordering: this uses 'perf
stat' as the example, but it doesn't work at this point, one needs to go
to the last patch, apply it and then test it again, when it will work.
So just moved the last patch to before this one, sigh.
ok, you found it.. sry ;-)

jirka
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