Messages in this thread | | | Date | Thu, 23 Feb 2012 16:40:40 +0900 | From | Namhyung Kim <> | Subject | Re: perf record: can I specify multiple events and use different sample-after value |
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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.
Thanks, Namhyung
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