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Commit 4fae2d6e authored by Adrian Hunter's avatar Adrian Hunter Committed by Greg Kroah-Hartman
Browse files

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: 3d498078 ("perf tools: Add new Intel PT packet definitions")
Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Reviewed-by: default avatarAndi 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 644caa32

tools/perf/util/intel-pt-decoder/intel-pt-decoder.c

+3 −0
Original line number Diff line number Diff line
@@ -1596,6 +1596,9 @@ 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: