On Fri, 25 Aug 2017 13:47:49 +0800 "Ziqian SUN (Zamir)" <z...@redhat.com> wrote:
> From: "Ziqian SUN (Zamir)" <z...@redhat.com> > > In add_wakeup function the hash list is created with hash.key = value. > This makes add_sched function will never find a match with the key which > results in trace-cmd report will never show the average latency with the > following command: > trace-cmd report -w -F 'sched_switch,sched_wakeup' > With this patch, the command will show average latency as it used to be > in v2.4.2 like > > Average wakeup latency: 28.460 usecs > Maximum Latency: 669.268 usecs at timestamp: 16337.629767 > Minimum Latency: 2.153 usecs at timestamp: 16337.533735 > > RT task timings: > > Average wakeup latency: 23.106 usecs > Maximum Latency: 57.482 usecs at timestamp: 16337.187531 > Minimum Latency: 4.127 usecs at timestamp: 16336.945209 > > Reported-by: Joe Mario <jma...@redhat.com> > Signed-off-by: Ziqian SUN (Zamir) <z...@redhat.com> Thanks a lot Ziqian! Added. Will push out soon. I need to update the stables too. -- Steve
