On Thu, Oct 05, 2017 at 07:00:29PM -0700, Andi Kleen wrote: > From: Andi Kleen <[email protected]>
ouch, sry for overlooking this > > perf stat can retry opening events. After opening an file descriptor > it adds the ids to the ecsel. Each event keeps a running > count of ids. When we decide to close an evsel and retry > with a different configuration this count needs to be reset, > otherwise it can overflow the buffer. how can this happen? we call store_counter_ids at the end of the loop, when the evsel is all done and can't be reconfigured thanks, jirka
