Em Mon, Mar 08, 2021 at 08:54:37AM -0800, Andi Kleen escreveu: > On Mon, Mar 08, 2021 at 05:11:43PM +0200, Adrian Hunter wrote: > > The only requirement of an auxtrace queue is that the buffers are in > > time order. That is achieved by making separate queues for separate > > perf buffer or AUX area buffer mmaps. > > > > That generally means a separate queue per cpu for per-cpu contexts, > > and a separate queue per thread for per-task contexts. > > > > When buffers are added to a queue, perf checks that the buffer cpu > > and thread id (tid) match the queue cpu and thread id. > > > > However, generally, that need not be true, and perf will queue > > buffers correctly anyway, so the check is not needed. > > > > In addition, the check gets erroneously hit when using sample mode > > to trace multiple threads. > > > > Consequently, fix that case by removing the check. > > Thanks! > > Reviewed-by: Andi Kleen <a...@linux.intel.com>
Thanks, applied. - Arnaldo
