On 09.04.2021 0:52, Jiri Olsa wrote: > On Tue, Apr 06, 2021 at 11:37:26AM +0300, Bayduraev, Alexey V wrote: >> >> Changes in v4: >> - renamed 'comm' structure to 'pipes' >> - moved thread fd/maps messages to verbose=2 >> - fixed leaks during allocation of thread_data structures >> - fixed leaks during allocation of thread masks >> - fixed possible fails when releasing thread masks >> >> v3: >> https://lore.kernel.org/lkml/7d197a2d-56e2-896d-bf96-6de0a4db1...@linux.intel.com/ > > hi, > I recall there was some issue wrt threading and intel_pt, > which we either need to fixed or we need to disable threads > for it > > [root@krava perf]# ./perf record -e intel_pt// --threads=cpu > ^C[ perf record: Woken up 121 times to write data ] > Warning: > AUX data lost 95 times out of 206! > > [ perf record: Captured and wrote 211.364 MB perf.data ] > > [root@krava perf]# ./perf script > Segmentation fault (core dumped) > > the fix should already be in the perf/record_threads branch, Thanks, As I can see, the fix from perf/record_threads is partially here, except changes in util/auxtrace.c and setting one_mmap_addr/offset. I will fix this. I also try to refactor patches 11 and 12. Regards, Alexey > > jirka >