Re: [PATCH 1/2] perf tests: Fix switch tracking test for P4

2017-06-04 Thread Jiri Olsa
On Fri, Jun 02, 2017 at 02:35:59PM +0300, Adrian Hunter wrote: > On 01/06/17 16:11, Arnaldo Carvalho de Melo wrote: > > Em Fri, May 26, 2017 at 02:31:40PM +0200, Jiri Olsa escreveu: > >> The switch tracking test keeps failing on P4 cpu, > >> when NMI watchdog is enabled. > >> > >> The reason is tha

Re: [PATCH 1/2] perf tests: Fix switch tracking test for P4

2017-06-02 Thread Adrian Hunter
On 01/06/17 16:11, Arnaldo Carvalho de Melo wrote: > Em Fri, May 26, 2017 at 02:31:40PM +0200, Jiri Olsa escreveu: >> The switch tracking test keeps failing on P4 cpu, >> when NMI watchdog is enabled. >> >> The reason is that P4 pmu uses substitute event for cycles >> when it's already taken (in ou

Re: [PATCH 1/2] perf tests: Fix switch tracking test for P4

2017-06-01 Thread Arnaldo Carvalho de Melo
Em Fri, May 26, 2017 at 02:31:40PM +0200, Jiri Olsa escreveu: > The switch tracking test keeps failing on P4 cpu, > when NMI watchdog is enabled. > > The reason is that P4 pmu uses substitute event for cycles > when it's already taken (in our case by NMI watchdog), but > this event does not give e