Commit faf22605 authored by Leo Yan's avatar Leo Yan Committed by Namhyung Kim
Browse files

perf arm-spe: Decode transactional event 



The bit[16] in an event payload indicates an operation is in
transactional state.  Decode the bit.

Reviewed-by: default avatarIan Rogers <irogers@google.com>
Reviewed-by: default avatarJames Clark <james.clark@linaro.org>
Signed-off-by: default avatarLeo Yan <leo.yan@arm.com>
Link: https://lore.kernel.org/r/20250304111240.3378214-9-leo.yan@arm.com


Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
parent 64d86c03

tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c

+2 −0
Original line number Diff line number Diff line
@@ -308,6 +308,8 @@ static int arm_spe_pkt_desc_event(const struct arm_spe_pkt *packet, 
		arm_spe_pkt_out_string(&err, &buf, &buf_len, " REMOTE-ACCESS");

	if (payload & BIT(EV_ALIGNMENT))

		arm_spe_pkt_out_string(&err, &buf, &buf_len, " ALIGNMENT");

	if (payload & BIT(EV_TRANSACTIONAL))

		arm_spe_pkt_out_string(&err, &buf, &buf_len, " TXN");

	if (payload & BIT(EV_PARTIAL_PREDICATE))

		arm_spe_pkt_out_string(&err, &buf, &buf_len, " SVE-PARTIAL-PRED");

	if (payload & BIT(EV_EMPTY_PREDICATE))

tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h

+1 −0
Original line number Diff line number Diff line
@@ -105,6 +105,7 @@ enum arm_spe_events { 
	EV_LLC_MISS		= 9,

	EV_REMOTE_ACCESS	= 10,

	EV_ALIGNMENT		= 11,

	EV_TRANSACTIONAL	= 16,

	EV_PARTIAL_PREDICATE	= 17,

	EV_EMPTY_PREDICATE	= 18,

};