On Thu, May 07, 2015 at 03:56:25PM -0700, Andi Kleen wrote:
> +/* Same as HSW, plus TSC */
> +
> +struct pebs_record_v3 {This is inconsistently named. > + u64 flags, ip; > + u64 ax, bx, cx, dx; > + u64 si, di, bp, sp; > + u64 r8, r9, r10, r11; > + u64 r12, r13, r14, r15; > + u64 status, dla, dse, lat; > + u64 real_ip, tsx_tuning; > + u64 tsc; > +}; > @@ -958,6 +971,13 @@ static void __intel_pmu_pebs_event(struct perf_event > *event, > data.txn = intel_hsw_transaction(pebs); > } > > + /* > + * v3 supplies an accurate time stamp, so we use that > + * for the time stamp. > + */ > + if (x86_pmu.intel_cap.pebs_format >= 3) > + data.time = native_sched_clock_from_tsc(pebs->tsc); That's wrong. It does not respect perf_event_attr::clock_id. -- 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/
