On 25/06/13 18:56, David Ahern wrote: > On 6/24/13 7:16 AM, Adrian Hunter wrote: >> Sample types need not be identical to determine >> the sample id from the event. Only the position >> of the sample id needs to be the same. >> >> Compatible sample types are ones in which the bits >> defined by PERF_COMPAT_MASK are the same. >> 'perf_evlist__config()' forces sample types to be >> compatible on that basis. > > Something is still missing to support different sample_types for events. > Consider the case (S/W event + tracepoint): > perf record -e cs -c1 -e sched:sched_switch -a -- sleep 1 > perf script > > This patch addresses the sample_type mismatch error message, but I get no > event samples in the output. Besides the usual header I get: > > No trace sample to read. Did you call 'perf record -R'?
Fixed in V2 > > It's a 16-cpu box with 5 VMs running. I know there should be at least a few > samples in 1 second. > > Stephane: are you looking at allowing sample_types per event? > > David > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
