Messages in this thread | | | From | Yang Shi <> | Date | Mon, 27 Mar 2023 17:53:04 -0700 | Subject | Re: [BUG] perf: No samples found when using kcore + coresight |
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Hi Leo,
Just follow up on this one. Any update?
Thanks, Yang
On Mon, Mar 13, 2023 at 5:36 PM Leo Yan <leo.yan@linaro.org> wrote: > > On Mon, Mar 13, 2023 at 11:15:44AM -0700, Yang Shi wrote: > > [...] > > > > Just a quick summary, here we have two issues: > > > > > > - With command: > > > perf record -e cs_etm/@tmc_etf63/k --kcore --per-thread \ > > > -- taskset --cpu-list 1 uname", > > > > > > perf doesn't enable "text poke" attribution. > > > > No, it enables "text poke" and perf fails to decode coresight trace > > data too. It doesn't matter whether "--kcore" is after or before "-e > > cs/etm/@tmc_etf63/k". > > Understand now. Thanks for correction, if so we can ignore this one. > > Leo
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