[PATCH v4 10/12] perf arm-spe: Set sample flags with supplement info

[Leo Yan]

Based on the supplement information in the record, this commit sets the
sample flags for conditional branch, function call, return.  It also
sets events in flags, such as mispredict, not taken, and in transaction.

Reviewed-by: Ian Rogers <irogers at google.com>
Reviewed-by: James Clark <james.clark at linaro.org>
Signed-off-by: Leo Yan <leo.yan at arm.com>
---
 tools/perf/util/arm-spe.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c
index 0e8e05c87fd7..daecf9e1017a 100644
--- a/tools/perf/util/arm-spe.c
+++ b/tools/perf/util/arm-spe.c
@@ -484,6 +484,26 @@ static void arm_spe__sample_flags(struct arm_spe_queue *speq)
 
 		if (record->type & ARM_SPE_BRANCH_MISS)
 			speq->flags |= PERF_IP_FLAG_BRANCH_MISS;
+
+		if (record->type & ARM_SPE_BRANCH_NOT_TAKEN)
+			speq->flags |= PERF_IP_FLAG_NOT_TAKEN;
+
+		if (record->type & ARM_SPE_IN_TXN)
+			speq->flags |= PERF_IP_FLAG_IN_TX;
+
+		if (record->op & ARM_SPE_OP_BR_COND)
+			speq->flags |= PERF_IP_FLAG_CONDITIONAL;
+
+		if (record->op & ARM_SPE_OP_BR_CR_BL)
+			speq->flags |= PERF_IP_FLAG_CALL;
+		else if (record->op & ARM_SPE_OP_BR_CR_RET)
+			speq->flags |= PERF_IP_FLAG_RETURN;
+		/*
+		 * Indirect branch instruction without link (e.g. BR),
+		 * take it as a function return.
+		 */
+		else if (record->op & ARM_SPE_OP_BR_INDIRECT)
+			speq->flags |= PERF_IP_FLAG_RETURN;
 	}
 }
 
-- 
2.34.1