From: Leo Yan <leo.yan@arm.com>
To: Arnaldo Carvalho de Melo <acme@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@kernel.org>, Ian Rogers <irogers@google.com>,
Adrian Hunter <adrian.hunter@intel.com>,
"Liang, Kan" <kan.liang@linux.intel.com>,
John Garry <john.g.garry@oracle.com>,
Will Deacon <will@kernel.org>,
James Clark <james.clark@linaro.org>,
Mike Leach <mike.leach@linaro.org>,
linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Graham Woodward <graham.woodward@arm.com>
Cc: Leo Yan <leo.yan@arm.com>
Subject: [PATCH v1 07/11] perf arm-spe: Decode transactional event
Date: Wed, 5 Feb 2025 12:15:51 +0000 [thread overview]
Message-ID: <20250205121555.180606-8-leo.yan@arm.com> (raw)
In-Reply-To: <20250205121555.180606-1-leo.yan@arm.com>
The bit[16] in an event payload indicates an operation is in
transactional state. Decode the bit.
Signed-off-by: Leo Yan <leo.yan@arm.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
next prev parent reply other threads:[~2025-02-05 12:16 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-05 12:15 [PATCH v1 00/11] perf script: Refactor branch flags for Arm SPE Leo Yan
2025-02-05 12:15 ` [PATCH v1 01/11] perf script: Make printing flags reliable Leo Yan
2025-02-05 12:15 ` [PATCH v1 02/11] perf script: Refactor sample_flags_to_name() function Leo Yan
2025-02-05 12:15 ` [PATCH v1 03/11] perf script: Separate events from branch types Leo Yan
2025-02-05 12:15 ` [PATCH v1 04/11] perf script: Add not taken event for branches Leo Yan
2025-02-05 12:15 ` [PATCH v1 05/11] perf script: Add not taken event for branch stack Leo Yan
2025-02-05 12:15 ` [PATCH v1 06/11] perf arm-spe: Extend branch operations Leo Yan
2025-02-05 12:15 ` Leo Yan [this message]
2025-02-05 12:15 ` [PATCH v1 08/11] perf arm-spe: Fill branch operations and events to record Leo Yan
2025-02-05 12:15 ` [PATCH v1 09/11] perf arm-spe: Set sample flags with supplement info Leo Yan
2025-02-05 12:15 ` [PATCH v1 10/11] perf arm-spe: Add branch stack Leo Yan
2025-02-05 12:15 ` [PATCH v1 11/11] perf arm-spe: Support previous branch target (PBT) address Leo Yan
2025-02-11 22:34 ` [PATCH v1 00/11] perf script: Refactor branch flags for Arm SPE Ian Rogers
2025-02-12 8:54 ` Leo Yan
2025-02-12 16:14 ` Ian Rogers
2025-02-13 5:29 ` Namhyung Kim
2025-02-14 11:32 ` Leo Yan
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