perf intel-pt: Fix decoding to accept CBR between FUP and corresponding TIP

It is possible to have a CBR packet between a FUP packet and
corresponding TIP packet. Stop treating it as an error.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/1527762225-26024-3-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
index f9157ae..e5eb917 100644 (file)
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -1604,7 +1604,6 @@ static int intel_pt_walk_fup_tip(struct intel_pt_decoder *decoder)
                case INTEL_PT_PSB:
                case INTEL_PT_TSC:
                case INTEL_PT_TMA:
-               case INTEL_PT_CBR:
                case INTEL_PT_MODE_TSX:
                case INTEL_PT_BAD:
                case INTEL_PT_PSBEND:
@@ -1620,6 +1619,10 @@ static int intel_pt_walk_fup_tip(struct intel_pt_decoder *decoder)
                        decoder->pkt_step = 0;
                        return -ENOENT;
 
+               case INTEL_PT_CBR:
+                       intel_pt_calc_cbr(decoder);
+                       break;
+
                case INTEL_PT_OVF:
                        return intel_pt_overflow(decoder);