Messages in this thread | | | Date | Thu, 23 Feb 2012 13:57:10 -0500 | Subject | Re: perf record: can I specify multiple events and use different sample-after value | From | Yuanfang Chen <> |
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On Thu, Feb 23, 2012 at 2:40 AM, Namhyung Kim <namhyung.kim@lge.com> wrote: > 2012-02-23 3:57 AM, Yuanfang Chen wrote: >> >> On Wed, Feb 22, 2012 at 1:01 AM, Namhyung Kim <namhyung.kim@lge.com> >> wrote: >>> >>> 2012-02-22 10:59 AM, Yuanfang Chen wrote: >>> The "-l" option was meaningful only if you specified events more than the >>> actual number of counters in the PMU. >> >> >> So -l is for multiplexing? >> > > The "-l" option is no longer supported in perf record/report and > multiplexing is always enabled by default, if needed. That would be the same > even for old versions AFAIK, and "-l" option just controlled whether it'd > scale or not the counter value which is taken from already multiplexed > events. >
My question may sounds silly, but why to scale the counter value? Why it is deprecated now?
Thank you, yuanfang
> > Thanks, > Namhyung
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