linux-kernel - [PATCH v1 07/11] perf arm-spe: Decode transactional event

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Message-Id: <20250205121555.180606-8-leo.yan@arm.com>
Date: Wed,  5 Feb 2025 12:15:51 +0000
From: Leo Yan <leo.yan@....com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Ian Rogers <irogers@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	"Liang, Kan" <kan.liang@...ux.intel.com>,
	John Garry <john.g.garry@...cle.com>,
	Will Deacon <will@...nel.org>,
	James Clark <james.clark@...aro.org>,
	Mike Leach <mike.leach@...aro.org>,
	linux-perf-users@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Graham Woodward <graham.woodward@....com>
Cc: Leo Yan <leo.yan@....com>
Subject: [PATCH v1 07/11] perf arm-spe: Decode transactional event

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

Signed-off-by: Leo Yan <leo.yan@....com>
---
 tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c | 2 ++
 tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h | 1 +
 2 files changed, 3 insertions(+)

diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c
index 625834da7e20..13cadb2f1cea 100644
--- a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c
@@ -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))
diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h
index 32d760ede701..2cdf9f6da268 100644
--- a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h
@@ -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,
 };
-- 
2.34.1