perf intel-pt: Fix missing CYC processing in PSB

[ Upstream commit 03fb0f859b45d1eb05c984ab4bd3bef67e45ede2 ]

Add missing CYC packet processing when walking through PSB+. This
improves the accuracy of timestamps that follow PSB+, until the next
MTC.

Fixes: 3d49807870f08 ("perf tools: Add new Intel PT packet definitions")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/r/20210205175350.23817-2-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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 c1944765533c825f6f839717a36bd6bbcd272f64..28f9e88c65bac186c589e79e57ece2a05684d0a6 100644 (file)
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -1478,6 +1478,9 @@ static int intel_pt_walk_psbend(struct intel_pt_decoder *decoder)
                        break;
 
                case INTEL_PT_CYC:
+                       intel_pt_calc_cyc_timestamp(decoder);
+                       break;
+
                case INTEL_PT_VMCS:
                case INTEL_PT_MNT:
                case INTEL_PT_PAD: