All of lore.kernel.org
 help / color / mirror / Atom feed
From: Leo Yan <leo.yan@linaro.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>,
	Andre Przywara <andre.przywara@arm.com>,
	Dave Martin <Dave.Martin@arm.com>,
	James Clark <james.clark@arm.com>,
	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>,
	Al Grant <Al.Grant@arm.com>, Wei Li <liwei391@huawei.com>,
	John Garry <john.garry@huawei.com>, Will Deacon <will@kernel.org>,
	Mathieu Poirier <mathieu.poirier@linaro.org>,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Cc: Leo Yan <leo.yan@linaro.org>
Subject: [PATCH v9 06/16] perf arm-spe: Refactor context packet handling
Date: Thu, 19 Nov 2020 23:24:31 +0800	[thread overview]
Message-ID: <20201119152441.6972-7-leo.yan@linaro.org> (raw)
In-Reply-To: <20201119152441.6972-1-leo.yan@linaro.org>

Minor refactoring to use macro for index mask.

Signed-off-by: Leo Yan <leo.yan@linaro.org>
Reviewed-by: Andre Przywara <andre.przywara@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 | 3 +++
 2 files changed, 4 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 d37c4008adbc..978f5551b82c 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
@@ -136,7 +136,7 @@ static int arm_spe_get_context(const unsigned char *buf, size_t len,
 			       struct arm_spe_pkt *packet)
 {
 	packet->type = ARM_SPE_CONTEXT;
-	packet->index = buf[0] & 0x3;
+	packet->index = SPE_CTX_PKT_HDR_INDEX(buf[0]);
 	return arm_spe_get_payload(buf, len, 0, packet);
 }
 
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 f97d6840be3a..9bc876bffd35 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
@@ -79,6 +79,9 @@ struct arm_spe_pkt {
 #define SPE_ADDR_PKT_EL2			2
 #define SPE_ADDR_PKT_EL3			3
 
+/* Context packet header */
+#define SPE_CTX_PKT_HDR_INDEX(h)		((h) & GENMASK_ULL(1, 0))
+
 const char *arm_spe_pkt_name(enum arm_spe_pkt_type);
 
 int arm_spe_get_packet(const unsigned char *buf, size_t len,
-- 
2.17.1


WARNING: multiple messages have this Message-ID (diff)
From: Leo Yan <leo.yan@linaro.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>,
	Andre Przywara <andre.przywara@arm.com>,
	Dave Martin <Dave.Martin@arm.com>,
	James Clark <james.clark@arm.com>,
	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>,
	Al Grant <Al.Grant@arm.com>, Wei Li <liwei391@huawei.com>,
	John Garry <john.garry@huawei.com>, Will Deacon <will@kernel.org>,
	Mathieu Poirier <mathieu.poirier@linaro.org>,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Cc: Leo Yan <leo.yan@linaro.org>
Subject: [PATCH v9 06/16] perf arm-spe: Refactor context packet handling
Date: Thu, 19 Nov 2020 23:24:31 +0800	[thread overview]
Message-ID: <20201119152441.6972-7-leo.yan@linaro.org> (raw)
In-Reply-To: <20201119152441.6972-1-leo.yan@linaro.org>

Minor refactoring to use macro for index mask.

Signed-off-by: Leo Yan <leo.yan@linaro.org>
Reviewed-by: Andre Przywara <andre.przywara@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 | 3 +++
 2 files changed, 4 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 d37c4008adbc..978f5551b82c 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
@@ -136,7 +136,7 @@ static int arm_spe_get_context(const unsigned char *buf, size_t len,
 			       struct arm_spe_pkt *packet)
 {
 	packet->type = ARM_SPE_CONTEXT;
-	packet->index = buf[0] & 0x3;
+	packet->index = SPE_CTX_PKT_HDR_INDEX(buf[0]);
 	return arm_spe_get_payload(buf, len, 0, packet);
 }
 
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 f97d6840be3a..9bc876bffd35 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
@@ -79,6 +79,9 @@ struct arm_spe_pkt {
 #define SPE_ADDR_PKT_EL2			2
 #define SPE_ADDR_PKT_EL3			3
 
+/* Context packet header */
+#define SPE_CTX_PKT_HDR_INDEX(h)		((h) & GENMASK_ULL(1, 0))
+
 const char *arm_spe_pkt_name(enum arm_spe_pkt_type);
 
 int arm_spe_get_packet(const unsigned char *buf, size_t len,
-- 
2.17.1


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2020-11-19 15:25 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-19 15:24 [PATCH v9 00/16] perf arm-spe: Refactor decoding & dumping flow Leo Yan
2020-11-19 15:24 ` Leo Yan
2020-11-19 15:24 ` [PATCH v9 01/16] perf arm-spe: Refactor printing string to buffer Leo Yan
2020-11-19 15:24   ` Leo Yan
2020-11-26 12:11   ` Arnaldo Carvalho de Melo
2020-11-26 12:11     ` Arnaldo Carvalho de Melo
2020-11-26 14:31     ` Leo Yan
2020-11-26 14:31       ` Leo Yan
2020-11-19 15:24 ` [PATCH v9 02/16] perf arm-spe: Refactor packet header parsing Leo Yan
2020-11-19 15:24   ` Leo Yan
2020-11-19 15:24 ` [PATCH v9 03/16] perf arm-spe: Add new function arm_spe_pkt_desc_addr() Leo Yan
2020-11-19 15:24   ` Leo Yan
2020-11-19 15:24 ` [PATCH v9 04/16] perf arm-spe: Refactor address packet handling Leo Yan
2020-11-19 15:24   ` Leo Yan
2020-11-19 15:24 ` [PATCH v9 05/16] perf arm_spe: Fixup top byte for data virtual address Leo Yan
2020-11-19 15:24   ` Leo Yan
2020-11-19 15:24 ` Leo Yan [this message]
2020-11-19 15:24   ` [PATCH v9 06/16] perf arm-spe: Refactor context packet handling Leo Yan
2020-11-19 15:24 ` [PATCH v9 07/16] perf arm-spe: Add new function arm_spe_pkt_desc_counter() Leo Yan
2020-11-19 15:24   ` Leo Yan
2020-11-19 15:24 ` [PATCH v9 08/16] perf arm-spe: Refactor counter packet handling Leo Yan
2020-11-19 15:24   ` Leo Yan
2020-11-19 15:24 ` [PATCH v9 09/16] perf arm-spe: Add new function arm_spe_pkt_desc_event() Leo Yan
2020-11-19 15:24   ` Leo Yan
2020-11-19 15:24 ` [PATCH v9 10/16] perf arm-spe: Refactor event type handling Leo Yan
2020-11-19 15:24   ` Leo Yan
2020-11-19 15:24 ` [PATCH v9 11/16] perf arm-spe: Remove size condition checking for events Leo Yan
2020-11-19 15:24   ` Leo Yan
2020-11-19 15:24 ` [PATCH v9 12/16] perf arm-spe: Add new function arm_spe_pkt_desc_op_type() Leo Yan
2020-11-19 15:24   ` Leo Yan
2020-11-19 15:24 ` [PATCH v9 13/16] perf arm-spe: Refactor operation packet handling Leo Yan
2020-11-19 15:24   ` Leo Yan
2020-11-19 15:24 ` [PATCH v9 14/16] perf arm-spe: Add more sub classes for operation packet Leo Yan
2020-11-19 15:24   ` Leo Yan
2020-11-19 15:24 ` [PATCH v9 15/16] perf arm_spe: Decode memory tagging properties Leo Yan
2020-11-19 15:24   ` Leo Yan
2020-11-19 15:24 ` [PATCH v9 16/16] perf arm-spe: Add support for ARMv8.3-SPE Leo Yan
2020-11-19 15:24   ` Leo Yan
2020-11-25 14:17 ` [PATCH v9 00/16] perf arm-spe: Refactor decoding & dumping flow Will Deacon
2020-11-25 14:17   ` Will Deacon
2020-11-26 12:10   ` Arnaldo Carvalho de Melo
2020-11-26 12:10     ` Arnaldo Carvalho de Melo
2020-11-26 14:30   ` Leo Yan
2020-11-26 14:30     ` Leo Yan

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20201119152441.6972-7-leo.yan@linaro.org \
    --to=leo.yan@linaro.org \
    --cc=Al.Grant@arm.com \
    --cc=Dave.Martin@arm.com \
    --cc=acme@kernel.org \
    --cc=alexander.shishkin@linux.intel.com \
    --cc=andre.przywara@arm.com \
    --cc=james.clark@arm.com \
    --cc=john.garry@huawei.com \
    --cc=jolsa@redhat.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=liwei391@huawei.com \
    --cc=mark.rutland@arm.com \
    --cc=mathieu.poirier@linaro.org \
    --cc=mingo@redhat.com \
    --cc=namhyung@kernel.org \
    --cc=peterz@infradead.org \
    --cc=will@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.