Em Tue, Aug 07, 2018 at 02:43:34PM +0200, Jiri Olsa escreveu: > On Tue, Aug 07, 2018 at 12:09:01PM +0300, Konstantin Khlebnikov wrote: > > Threads share map_groups, all map events are merged into it. > > > > Thus we could send mmaps only for thread group leader. > > Otherwise it took ages to attach and record something from > > processes with many vmas and threads. > > > > Thread group leader could be already dead, > > but it seems perf cannot handle this case anyway. > > nice, could mention in the changelog that we actualy > synthesize the group leader (if we found one) for the > thread even if it's not present in the thread_map, > so the process maps are always in data > > Acked-by: Jiri Olsa <[email protected]>
I'll add your notes, thanks everyone, - Arnaldo

