From: Anshuman Khandual <anshuman.khandual@arm.com>
To: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
peterz@infradead.org, alexander.shishkin@linux.intel.com,
jolsa@redhat.com, acme@kernel.org, mark.rutland@arm.com
Cc: Anshuman Khandual <anshuman.khandual@arm.com>,
Robin Murphy <robin.murphy@arm.com>,
Suzuki Poulose <suzuki.poulose@arm.com>,
James Clark <james.clark@arm.com>, Ingo Molnar <mingo@redhat.com>,
Namhyung Kim <namhyung@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Will Deacon <will@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH V7 8/8] perf/tools: Add PERF_BR_NEW_ARCH_[N] map for BRBE on arm64 platform
Date: Wed, 24 Aug 2022 10:18:22 +0530 [thread overview]
Message-ID: <20220824044822.70230-9-anshuman.khandual@arm.com> (raw)
In-Reply-To: <20220824044822.70230-1-anshuman.khandual@arm.com>
This updates the perf tool with arch specific branch type classification
used for BRBE on arm64 platform as added in the kernel earlier.
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-perf-users@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
---
tools/include/uapi/linux/perf_event.h | 6 ++++++
tools/perf/util/branch.c | 13 +++++++++++++
2 files changed, 19 insertions(+)
diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
index 51168e22f4d8..c2230c5aa1c7 100644
--- a/tools/include/uapi/linux/perf_event.h
+++ b/tools/include/uapi/linux/perf_event.h
@@ -282,6 +282,12 @@ enum {
PERF_BR_PRIV_HV = 3,
};
+#define PERF_BR_ARM64_FIQ PERF_BR_NEW_ARCH_1
+#define PERF_BR_ARM64_DEBUG_HALT PERF_BR_NEW_ARCH_2
+#define PERF_BR_ARM64_DEBUG_EXIT PERF_BR_NEW_ARCH_3
+#define PERF_BR_ARM64_DEBUG_INST PERF_BR_NEW_ARCH_4
+#define PERF_BR_ARM64_DEBUG_DATA PERF_BR_NEW_ARCH_5
+
#define PERF_SAMPLE_BRANCH_PLM_ALL \
(PERF_SAMPLE_BRANCH_USER|\
PERF_SAMPLE_BRANCH_KERNEL|\
diff --git a/tools/perf/util/branch.c b/tools/perf/util/branch.c
index 6d962b0a4532..d40776c44b06 100644
--- a/tools/perf/util/branch.c
+++ b/tools/perf/util/branch.c
@@ -45,11 +45,24 @@ const char *branch_new_type_name(int new_type)
"FAULT_ALGN",
"FAULT_DATA",
"FAULT_INST",
+/*
+ * TODO: This switch should happen on 'session->header.env.arch'
+ * instead, because an arm64 platform perf recording could be
+ * opened for analysis on other platforms as well.
+ */
+#ifdef __aarch64__
+ "ARM64_FIQ",
+ "ARM64_DEBUG_HALT",
+ "ARM64_DEBUG_EXIT",
+ "ARM64_DEBUG_INST",
+ "ARM64_DEBUG_DATA"
+#else
"ARCH_1",
"ARCH_2",
"ARCH_3",
"ARCH_4",
"ARCH_5"
+#endif
};
if (new_type >= 0 && new_type < PERF_BR_NEW_MAX)
--
2.25.1
next prev parent reply other threads:[~2022-08-24 4:50 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-24 4:48 [PATCH V7 0/8] perf: Expand perf_branch_entry Anshuman Khandual
2022-08-24 4:48 ` [PATCH V7 1/8] perf: Add system error and not in transaction branch types Anshuman Khandual
2022-08-26 22:15 ` [tip: perf/core] " tip-bot2 for Anshuman Khandual
2022-08-29 7:50 ` tip-bot2 for Anshuman Khandual
2022-08-24 4:48 ` [PATCH V7 2/8] perf: Extend branch type classification Anshuman Khandual
2022-08-26 22:15 ` [tip: perf/core] " tip-bot2 for Anshuman Khandual
2022-08-29 7:50 ` tip-bot2 for Anshuman Khandual
2022-08-24 4:48 ` [PATCH V7 3/8] perf: Capture branch privilege information Anshuman Khandual
2022-08-26 22:15 ` [tip: perf/core] " tip-bot2 for Anshuman Khandual
2022-08-29 7:50 ` tip-bot2 for Anshuman Khandual
2022-08-24 4:48 ` [PATCH V7 4/8] perf: Add PERF_BR_NEW_ARCH_[N] map for BRBE on arm64 platform Anshuman Khandual
2022-08-26 22:15 ` [tip: perf/core] " tip-bot2 for Anshuman Khandual
2022-08-29 7:49 ` tip-bot2 for Anshuman Khandual
2022-08-24 4:48 ` [PATCH V7 5/8] perf/tools: Add system error and not in transaction branch types Anshuman Khandual
2022-08-24 4:48 ` [PATCH V7 6/8] perf/tools: Extend branch type classification Anshuman Khandual
2022-08-30 21:11 ` Arnaldo Carvalho de Melo
2022-09-01 5:07 ` Anshuman Khandual
2022-09-02 17:31 ` Arnaldo Carvalho de Melo
2022-09-02 17:46 ` Arnaldo Carvalho de Melo
2022-09-05 8:00 ` Anshuman Khandual
2022-08-24 4:48 ` [PATCH V7 7/8] perf/tools: Add branch privilege information request flag Anshuman Khandual
2022-08-24 4:48 ` Anshuman Khandual [this message]
2022-08-25 10:22 ` [PATCH V7 0/8] perf: Expand perf_branch_entry Peter Zijlstra
2022-08-29 4:12 ` Anshuman Khandual
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