perf intel-pt: Fix missing CYC processing in PSB

stable inclusion
from stable-5.10.20
commit 9702d580daa329eb1b5db852fc57295e611808b2
bugzilla: 50608

--------------------------------

[ Upstream commit 03fb0f85 ]

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: NAdrian Hunter <adrian.hunter@intel.com>
Reviewed-by: NAndi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/r/20210205175350.23817-2-adrian.hunter@intel.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Acked-by: NXie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

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

@@ -1761,6 +1761,9 @@ 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: