Re: [BUG] perf: No samples found when using kcore + coresight

On Mon, Mar 13, 2023 at 11:15:44AM -0700, Yang Shi wrote:

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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