linux-kernel - [PATCH V7 5/8] perf/tools: Add system error and not in transaction branch types

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Message-Id: <20220824044822.70230-6-anshuman.khandual@arm.com>
Date:   Wed, 24 Aug 2022 10:18:19 +0530
From:   Anshuman Khandual <anshuman.khandual@....com>
To:     linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        peterz@...radead.org, alexander.shishkin@...ux.intel.com,
        jolsa@...hat.com, acme@...nel.org, mark.rutland@....com
Cc:     Anshuman Khandual <anshuman.khandual@....com>,
        Robin Murphy <robin.murphy@....com>,
        Suzuki Poulose <suzuki.poulose@....com>,
        James Clark <james.clark@....com>,
        Ingo Molnar <mingo@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Will Deacon <will@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH V7 5/8] perf/tools: Add system error and not in transaction branch types

This updates the perf tool with generic branch type classification with two
new branch types i.e system error (PERF_BR_SERROR) and not in transaction
(PERF_BR_NO_TX) which got updated earlier in the kernel. This also updates
corresponding branch type strings in branch_type_name().

Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Will Deacon <will@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-perf-users@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Reviewed-by: James Clark <james.clark@....com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>
---
 tools/include/uapi/linux/perf_event.h | 2 ++
 tools/perf/util/branch.c              | 4 +++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
index 581ed4bdc062..146c137ff0c1 100644
--- a/tools/include/uapi/linux/perf_event.h
+++ b/tools/include/uapi/linux/perf_event.h
@@ -253,6 +253,8 @@ enum {
 	PERF_BR_COND_RET	= 10,	/* conditional function return */
 	PERF_BR_ERET		= 11,	/* exception return */
 	PERF_BR_IRQ		= 12,	/* irq */
+	PERF_BR_SERROR		= 13,	/* system error */
+	PERF_BR_NO_TX		= 14,	/* not in transaction */
 	PERF_BR_MAX,
 };
 
diff --git a/tools/perf/util/branch.c b/tools/perf/util/branch.c
index a9a909db8cc7..abc673347bee 100644
--- a/tools/perf/util/branch.c
+++ b/tools/perf/util/branch.c
@@ -51,7 +51,9 @@ const char *branch_type_name(int type)
 		"COND_CALL",
 		"COND_RET",
 		"ERET",
-		"IRQ"
+		"IRQ",
+		"SERROR",
+		"NO_TX"
 	};
 
 	if (type >= 0 && type < PERF_BR_MAX)
-- 
2.25.1