On Wed, 4 Feb 2015, Harald Servat wrote: > I'm running Linux 3.11 but I don't see a way to setup the latency threshold > there. My option flags include: > > -t, --type= > -D, --dump-raw-samples= > -x, --field-separator > -C, --cpu-list > > so I guess that this option is not implemented in perf (at least on 3.11). > So I need to capture all the samples and then discard those that surpass that > threshold.
No, PEBS support is very lacking with perf. The soon-to-be-released 3.19 kernel does add support for PERF_SAMPLE_REGS_INTR which finally lets you get the PEBS register state from the PEBS sample, but I think many of the other advanced PEBS features are still missing. Vince -- To unsubscribe from this list: send the line "unsubscribe linux-perf-users" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
