linux-kernel - [PATCH v9 10/16] perf arm-spe: Refactor event type handling

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20201119152441.6972-11-leo.yan@linaro.org>
Date:   Thu, 19 Nov 2020 23:24:35 +0800
From:   Leo Yan <leo.yan@...aro.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Andre Przywara <andre.przywara@....com>,
        Dave Martin <Dave.Martin@....com>,
        James Clark <james.clark@....com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Al Grant <Al.Grant@....com>, Wei Li <liwei391@...wei.com>,
        John Garry <john.garry@...wei.com>,
        Will Deacon <will@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     Leo Yan <leo.yan@...aro.org>
Subject: [PATCH v9 10/16] perf arm-spe: Refactor event type handling

Move the enums of event types to arm-spe-pkt-decoder.h, thus function
arm_spe_pkt_desc_event() can use them for bitmasks.

Suggested-by: Andre Przywara <andre.przywara@....com>
Signed-off-by: Leo Yan <leo.yan@...aro.org>
Reviewed-by: Andre Przywara <andre.przywara@....com>
---
 .../util/arm-spe-decoder/arm-spe-decoder.h    | 17 --------------
 .../arm-spe-decoder/arm-spe-pkt-decoder.c     | 22 +++++++++----------
 .../arm-spe-decoder/arm-spe-pkt-decoder.h     | 18 +++++++++++++++
 3 files changed, 29 insertions(+), 28 deletions(-)

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 a5111a8d4360..24727b8ca7ff 100644
--- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
@@ -13,23 +13,6 @@
 
 #include "arm-spe-pkt-decoder.h"
 
-enum arm_spe_events {
-	EV_EXCEPTION_GEN	= 0,
-	EV_RETIRED		= 1,
-	EV_L1D_ACCESS		= 2,
-	EV_L1D_REFILL		= 3,
-	EV_TLB_ACCESS		= 4,
-	EV_TLB_WALK		= 5,
-	EV_NOT_TAKEN		= 6,
-	EV_MISPRED		= 7,
-	EV_LLC_ACCESS		= 8,
-	EV_LLC_MISS		= 9,
-	EV_REMOTE_ACCESS	= 10,
-	EV_ALIGNMENT		= 11,
-	EV_PARTIAL_PREDICATE	= 17,
-	EV_EMPTY_PREDICATE	= 18,
-};
-
 enum arm_spe_sample_type {
 	ARM_SPE_L1D_ACCESS	= 1 << 0,
 	ARM_SPE_L1D_MISS	= 1 << 1,
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 da6b9f76739c..3f30b2937715 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
@@ -295,28 +295,28 @@ static int arm_spe_pkt_desc_event(const struct arm_spe_pkt *packet,
 
 	arm_spe_pkt_out_string(&err, &buf, &buf_len, "EV");
 
-	if (payload & 0x1)
+	if (payload & BIT(EV_EXCEPTION_GEN))
 		arm_spe_pkt_out_string(&err, &buf, &buf_len, " EXCEPTION-GEN");
-	if (payload & 0x2)
+	if (payload & BIT(EV_RETIRED))
 		arm_spe_pkt_out_string(&err, &buf, &buf_len, " RETIRED");
-	if (payload & 0x4)
+	if (payload & BIT(EV_L1D_ACCESS))
 		arm_spe_pkt_out_string(&err, &buf, &buf_len, " L1D-ACCESS");
-	if (payload & 0x8)
+	if (payload & BIT(EV_L1D_REFILL))
 		arm_spe_pkt_out_string(&err, &buf, &buf_len, " L1D-REFILL");
-	if (payload & 0x10)
+	if (payload & BIT(EV_TLB_ACCESS))
 		arm_spe_pkt_out_string(&err, &buf, &buf_len, " TLB-ACCESS");
-	if (payload & 0x20)
+	if (payload & BIT(EV_TLB_WALK))
 		arm_spe_pkt_out_string(&err, &buf, &buf_len, " TLB-REFILL");
-	if (payload & 0x40)
+	if (payload & BIT(EV_NOT_TAKEN))
 		arm_spe_pkt_out_string(&err, &buf, &buf_len, " NOT-TAKEN");
-	if (payload & 0x80)
+	if (payload & BIT(EV_MISPRED))
 		arm_spe_pkt_out_string(&err, &buf, &buf_len, " MISPRED");
 	if (packet->index > 1) {
-		if (payload & 0x100)
+		if (payload & BIT(EV_LLC_ACCESS))
 			arm_spe_pkt_out_string(&err, &buf, &buf_len, " LLC-ACCESS");
-		if (payload & 0x200)
+		if (payload & BIT(EV_LLC_MISS))
 			arm_spe_pkt_out_string(&err, &buf, &buf_len, " LLC-REFILL");
-		if (payload & 0x400)
+		if (payload & BIT(EV_REMOTE_ACCESS))
 			arm_spe_pkt_out_string(&err, &buf, &buf_len, " REMOTE-ACCESS");
 	}
 
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 7d8e34e35f05..42ed4e61ede2 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
@@ -87,6 +87,24 @@ struct arm_spe_pkt {
 #define SPE_CNT_PKT_HDR_INDEX_ISSUE_LAT		0x1
 #define SPE_CNT_PKT_HDR_INDEX_TRANS_LAT		0x2
 
+/* Event packet payload */
+enum arm_spe_events {
+	EV_EXCEPTION_GEN	= 0,
+	EV_RETIRED		= 1,
+	EV_L1D_ACCESS		= 2,
+	EV_L1D_REFILL		= 3,
+	EV_TLB_ACCESS		= 4,
+	EV_TLB_WALK		= 5,
+	EV_NOT_TAKEN		= 6,
+	EV_MISPRED		= 7,
+	EV_LLC_ACCESS		= 8,
+	EV_LLC_MISS		= 9,
+	EV_REMOTE_ACCESS	= 10,
+	EV_ALIGNMENT		= 11,
+	EV_PARTIAL_PREDICATE	= 17,
+	EV_EMPTY_PREDICATE	= 18,
+};
+
 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