Use the change of NR to detect whether an asynchronous branch is a VM-Exit.
Note VM-Entry is determined from the vmlaunch or vmresume instruction, in which case, sample flags will show "VMentry" even if the VM-Entry fails. Signed-off-by: Adrian Hunter <adrian.hun...@intel.com> --- tools/perf/util/intel-pt.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index 546d512b300a..cafb3943d5f6 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -1201,13 +1201,16 @@ static void intel_pt_sample_flags(struct intel_pt_queue *ptq) if (ptq->state->flags & INTEL_PT_ABORT_TX) { ptq->flags = PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT; } else if (ptq->state->flags & INTEL_PT_ASYNC) { - if (ptq->state->to_ip) + if (!ptq->state->to_ip) + ptq->flags = PERF_IP_FLAG_BRANCH | + PERF_IP_FLAG_TRACE_END; + else if (ptq->state->from_nr && !ptq->state->to_nr) + ptq->flags = PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | + PERF_IP_FLAG_VMEXIT; + else ptq->flags = PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT; - else - ptq->flags = PERF_IP_FLAG_BRANCH | - PERF_IP_FLAG_TRACE_END; ptq->insn_len = 0; } else { if (ptq->state->from_ip) -- 2.17.1