From: Adrian Hunter <[email protected]> The enhanced thread stack is used by higher layers but still requires the trace number. The trace number is used to distinguish discontinuous sections of trace (for example from Snapshot mode or Sample mode), which cause the thread stack to be flushed.
Signed-off-by: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/util/intel-pt.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index 9c25bfadb4f3..5a59fd8e79ae 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -265,7 +265,7 @@ static int intel_pt_get_trace(struct intel_pt_buffer *b, void *data) if (!old_buffer || ptq->pt->sampling_mode || (ptq->pt->snapshot_mode && !buffer->consecutive)) { b->consecutive = false; - b->trace_nr = buffer->buffer_nr; + b->trace_nr = buffer->buffer_nr + 1; } else { b->consecutive = true; } @@ -1075,6 +1075,8 @@ static int intel_pt_sample(struct intel_pt_queue *ptq) thread_stack__event(ptq->thread, ptq->flags, state->from_ip, state->to_ip, ptq->insn_len, state->trace_nr); + else + thread_stack__set_trace_nr(ptq->thread, state->trace_nr); if (pt->sample_branches) { err = intel_pt_synth_branch_sample(ptq); -- 2.1.0 -- 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/
