Re: Having trouble profiling multiple events for an existing process in ARM CortexA53

Jerry Duan via oprofile-list <[email protected]> Wed, 1 May 2019 19:29:12 +0000 (UTC)
Newsgroups gmane.linux.oprofile
Message-ID <[email protected]>
Hi,
I am not sure I understand you correctly. But, I don't think the issue is caused by the short duration. The process I was trying to measure never ends once my system is up. Also, as I mentioned in the previous email, if I use "--system-wide" rather than "-p <PID>", the operf does collect data for all processes, including the trouble one.

I also changed the dts to "arm,cortex-a53-pmu", but still the same issue.

Thanks,
Jerry

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