On Mon, Nov 13, 2017 at 10:22:30AM +0100, Jiri Olsa wrote: > On Thu, Nov 09, 2017 at 06:55:27AM -0800, Andi Kleen wrote: > > From: Andi Kleen <a...@linux.intel.com> > > > > Support the case of the event having no cpumap in perf_evsel__nr_cpus. > > Just return 1 in this case. This can happen in perf script > > when it uses the perf stat shadow functions. > > why 1, where in shadow code? you can synthesize cpus for event > via event_update event
For sampling it should be always 1, right? Where: #0 0x0000000000570e03 in __perf_evsel_stat__is (evsel=0x2690ce0, id=PERF_STAT_EVSEL_ID__CYCLES_IN_TX) at util/stat.c:75 #1 0x0000000000572375 in perf_stat__update_shadow_stats (counter=0x2690ce0, count=3744, cpu=0) at util/stat-shadow.c:194 -Andi
