On Thu, Aug 9, 2012 at 8:08 PM, Peter Zijlstra <pet...@infradead.org> wrote: > On Thu, 2012-08-09 at 16:05 +0200, Stephane Eranian wrote: >> > uncore PMU does not have this issue because uncore_pmu->task_ctx_nr >> > is 'perf_invalid_context'. find_pmu_context() always return NULL in >> > that case. >> > >> Yes, I think IBS should do the same and that should fix the problem >> there too. Will try that. > > I'm afraid not, per-task profiling with uncore doesn't really make that > much sense. For IBS it does. > > We can't share a context with different PMUs, that'll totally mess up > the event scheduling. > > We'll have to grow perf_event_task_context with an extra context and > have IBS use that.
Ok, I am fine with that. Don't know about to call it though. -- 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/
