Hi, I'm trying to modify the sample period during test execution (after perf_event_open has been called) from code similar to pebs_smpl. I would like to do it based on certain conditions as the samples are read in. Is there a simple way to do this? I saw in kernel/perf_event.c that there is a perf_adjust_period function, but I couldn't find anything similar at the user level.
Thanks for the help - Kristen
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