On Wed, 22 Jul 2015, Peter Zijlstra wrote: > On Wed, Jul 22, 2015 at 05:06:24PM +0200, Peter Zijlstra wrote: > > On Wed, Jul 22, 2015 at 11:02:21AM -0400, Vince Weaver wrote: > > > On Wed, 22 Jul 2015, Vince Weaver wrote: > > > > > > > > OK, so I have to admit I'm a bit weak on ftrace. What type of command > > > > line are you interested in seeing? The ones I've tried with trace-cmd > > > > have activated your trace_printks but there's 500MB of other data > > > > mixed > > > > in so maybe I am doing something wrong. > > > > > > maybe the "nop" plugin was what I wanted. I've posted the trace with > > > that > > > here: > > > > > > http://web.eece.maine.edu/~vweaver/junk/jaguar.mpx.out.gz > > > > OK, that looks about right, lemme to stare at that. > > Does this help?
yes, with this applied the check_multiplex test passes. Vince > > --- > kernel/events/core.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/kernel/events/core.c b/kernel/events/core.c > index d3dae3419b99..10d076b2572c 100644 > --- a/kernel/events/core.c > +++ b/kernel/events/core.c > @@ -1868,8 +1868,6 @@ event_sched_in(struct perf_event *event, > > perf_pmu_disable(event->pmu); > > - event->tstamp_running += tstamp - event->tstamp_stopped; > - > perf_set_shadow_time(event, ctx, tstamp); > > perf_log_itrace_start(event); > @@ -1881,6 +1879,8 @@ event_sched_in(struct perf_event *event, > goto out; > } > > + event->tstamp_running += tstamp - event->tstamp_stopped; > + > if (!is_software_event(event)) > cpuctx->active_oncpu++; > if (!ctx->nr_active++) > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
