From: German Gomez <german.gomez@arm.com>
To: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
acme@kernel.org
Cc: German Gomez <german.gomez@arm.com>, Leo Yan <leo.yan@linaro.org>,
Namhyung Kim <namhyung@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@redhat.com>, John Garry <john.garry@huawei.com>,
Will Deacon <will@kernel.org>,
Mathieu Poirier <mathieu.poirier@linaro.org>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 3/4] perf arm-spe: Save context ID in record
Date: Thu, 11 Nov 2021 13:36:24 +0000 [thread overview]
Message-ID: <20211111133625.193568-4-german.gomez@arm.com> (raw)
In-Reply-To: <20211111133625.193568-1-german.gomez@arm.com>
This patch is to save context ID in record, this will be used to set TID
for samples.
Signed-off-by: German Gomez <german.gomez@arm.com>
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
---
tools/perf/util/arm-spe-decoder/arm-spe-decoder.c | 2 ++
tools/perf/util/arm-spe-decoder/arm-spe-decoder.h | 1 +
2 files changed, 3 insertions(+)
diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
index 32fe41835..3fc528c92 100644
--- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
@@ -151,6 +151,7 @@ static int arm_spe_read_record(struct arm_spe_decoder *decoder)
u64 payload, ip;
memset(&decoder->record, 0x0, sizeof(decoder->record));
+ decoder->record.context_id = (u64)-1;
while (1) {
err = arm_spe_get_next_packet(decoder);
@@ -180,6 +181,7 @@ static int arm_spe_read_record(struct arm_spe_decoder *decoder)
case ARM_SPE_COUNTER:
break;
case ARM_SPE_CONTEXT:
+ decoder->record.context_id = payload;
break;
case ARM_SPE_OP_TYPE:
if (idx == SPE_OP_PKT_HDR_CLASS_LD_ST_ATOMIC) {
diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
index 59bdb7309..46a8556a9 100644
--- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
@@ -38,6 +38,7 @@ struct arm_spe_record {
u64 timestamp;
u64 virt_addr;
u64 phys_addr;
+ u64 context_id;
};
struct arm_spe_insn;
--
2.25.1
next prev parent reply other threads:[~2021-11-11 13:36 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-11 13:36 [PATCH v3 0/4] perf arm-spe: Track pid/tid for Arm SPE samples German Gomez
2021-11-11 13:36 ` [PATCH v3 1/4] perf arm-spe: Track task context switch for cpu-mode events German Gomez
2021-11-11 13:36 ` [PATCH v3 2/4] perf arm-spe: Update --switch-events docs in perf-record German Gomez
2021-11-11 13:36 ` German Gomez [this message]
2021-11-11 13:36 ` [PATCH v3 4/4] perf arm-spe: Support hardware-based PID tracing German Gomez
2021-11-11 17:23 ` Namhyung Kim
2021-11-11 18:27 ` Arnaldo Carvalho de Melo
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