From: Leo Yan <leo.yan@linaro.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
Wei Li <liwei391@huawei.com>, James Clark <james.clark@arm.com>,
Andre Przywara <andre.przywara@arm.com>,
Al Grant <Al.Grant@arm.com>, Dave Martin <Dave.Martin@arm.com>,
linux-kernel@vger.kernel.org
Cc: Leo Yan <leo.yan@linaro.org>
Subject: [PATCH v3 19/20] perf arm_spe: Decode memory tagging properties
Date: Thu, 22 Oct 2020 15:58:15 +0100 [thread overview]
Message-ID: <20201022145816.14069-20-leo.yan@linaro.org> (raw)
In-Reply-To: <20201022145816.14069-1-leo.yan@linaro.org>
From: Andre Przywara <andre.przywara@arm.com>
When SPE records a physical address, it can additionally tag the event
with information from the Memory Tagging architecture extension.
Decode the two additional fields in the SPE event payload.
[leoy: Refined patch to use predefined macros]
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
---
tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c | 6 +++++-
tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h | 2 ++
2 files changed, 7 insertions(+), 1 deletion(-)
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 c1a3b0afd1de..74ac12cbec69 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
@@ -432,6 +432,7 @@ static int arm_spe_pkt_desc_addr(const struct arm_spe_pkt *packet,
char *buf, size_t buf_len)
{
int ns, el, idx = packet->index;
+ int ch, pat;
u64 payload = packet->payload;
switch (idx) {
@@ -448,9 +449,12 @@ static int arm_spe_pkt_desc_addr(const struct arm_spe_pkt *packet,
"VA 0x%llx", payload);
case SPE_ADDR_PKT_HDR_INDEX_DATA_PHYS:
ns = !!SPE_ADDR_PKT_GET_NS(payload);
+ ch = !!SPE_ADDR_PKT_GET_CH(payload);
+ pat = SPE_ADDR_PKT_GET_PAT(payload);
payload = SPE_ADDR_PKT_ADDR_GET_BYTES_0_6(payload);
return arm_spe_pkt_snprintf(&buf, &buf_len,
- "PA 0x%llx ns=%d", payload, ns);
+ "PA 0x%llx ns=%d ch=%d, pat=%x",
+ payload, ns, ch, pat);
default:
return 0;
}
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 31dbb8c0fde3..d69af0d618ea 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
@@ -75,6 +75,8 @@ struct arm_spe_pkt {
#define SPE_ADDR_PKT_GET_NS(v) (((v) & BIT(63)) >> 63)
#define SPE_ADDR_PKT_GET_EL(v) (((v) & GENMASK_ULL(62, 61)) >> 61)
+#define SPE_ADDR_PKT_GET_CH(v) (((v) & BIT(62)) >> 62)
+#define SPE_ADDR_PKT_GET_PAT(v) (((v) & GENMASK_ULL(59, 56)) >> 56)
#define SPE_ADDR_PKT_EL0 0
#define SPE_ADDR_PKT_EL1 1
--
2.17.1
next prev parent reply other threads:[~2020-10-22 14:59 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-22 14:57 [PATCH v3 00/20] perf arm-spe: Refactor decoding & dumping flow Leo Yan
2020-10-22 14:57 ` [PATCH v3 01/20] perf arm-spe: Include bitops.h for BIT() macro Leo Yan
2020-10-22 14:57 ` [PATCH v3 02/20] perf arm-spe: Fix a typo in comment Leo Yan
2020-10-22 14:57 ` [PATCH v3 03/20] perf arm-spe: Refactor payload size calculation Leo Yan
2020-10-23 17:08 ` André Przywara
2020-10-26 1:41 ` Leo Yan
2020-10-22 14:58 ` [PATCH v3 04/20] perf arm-spe: Refactor arm_spe_get_events() Leo Yan
2020-10-23 17:09 ` André Przywara
2020-10-22 14:58 ` [PATCH v3 05/20] perf arm-spe: Fix packet length handling Leo Yan
2020-10-22 14:58 ` [PATCH v3 06/20] perf arm-spe: Refactor printing string to buffer Leo Yan
2020-10-22 14:58 ` [PATCH v3 07/20] perf arm-spe: Refactor packet header parsing Leo Yan
2020-10-23 17:09 ` André Przywara
2020-10-22 14:58 ` [PATCH v3 08/20] perf arm-spe: Add new function arm_spe_pkt_desc_addr() Leo Yan
2020-10-23 17:09 ` André Przywara
2020-10-22 14:58 ` [PATCH v3 09/20] perf arm-spe: Refactor address packet handling Leo Yan
2020-10-23 17:53 ` André Przywara
2020-10-26 6:30 ` Leo Yan
2020-10-22 14:58 ` [PATCH v3 10/20] perf arm-spe: Refactor context " Leo Yan
2020-10-22 14:58 ` [PATCH v3 11/20] perf arm-spe: Add new function arm_spe_pkt_desc_counter() Leo Yan
2020-10-23 17:10 ` André Przywara
2020-10-22 14:58 ` [PATCH v3 12/20] perf arm-spe: Refactor counter packet handling Leo Yan
2020-10-24 0:31 ` André Przywara
2020-10-22 14:58 ` [PATCH v3 13/20] perf arm-spe: Add new function arm_spe_pkt_desc_event() Leo Yan
2020-10-24 0:32 ` André Przywara
2020-10-22 14:58 ` [PATCH v3 14/20] perf arm-spe: Refactor event type handling Leo Yan
2020-10-24 0:32 ` André Przywara
2020-10-22 14:58 ` [PATCH v3 15/20] perf arm-spe: Remove size condition checking for events Leo Yan
2020-10-23 17:10 ` André Przywara
2020-10-22 14:58 ` [PATCH v3 16/20] perf arm-spe: Add new function arm_spe_pkt_desc_op_type() Leo Yan
2020-10-23 17:10 ` André Przywara
2020-10-22 14:58 ` [PATCH v3 17/20] perf arm-spe: Refactor operation packet handling Leo Yan
2020-10-26 18:17 ` André Przywara
2020-10-22 14:58 ` [PATCH v3 18/20] perf arm-spe: Add more sub classes for operation packet Leo Yan
2020-10-24 0:32 ` André Przywara
2020-10-22 14:58 ` Leo Yan [this message]
2020-10-24 0:32 ` [PATCH v3 19/20] perf arm_spe: Decode memory tagging properties André Przywara
2020-10-22 14:58 ` [PATCH v3 20/20] perf arm-spe: Add support for ARMv8.3-SPE Leo Yan
2020-10-26 18:17 ` André Przywara
2020-10-27 3:13 ` Leo Yan
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