From: Mathieu Poirier <mathieu.poirier@linaro.org>
To: acme@kernel.org
Cc: mike.leach@linaro.org, leo.yan@linaro.org, linux-kernel@vger.kernel.org
Subject: [PATCH 2/6] tools headers UAPI: Update tools' copy of linux/coresight-pmu.h
Date: Wed, 24 Feb 2021 09:48:31 -0700 [thread overview]
Message-ID: <20210224164835.3497311-3-mathieu.poirier@linaro.org> (raw)
In-Reply-To: <20210224164835.3497311-1-mathieu.poirier@linaro.org>
From: Leo Yan <leo.yan@linaro.org>
To get the changes in the commit:
"coresight: etm-perf: Clarify comment on perf options".
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20210213113220.292229-2-leo.yan@linaro.org
---
tools/include/linux/coresight-pmu.h | 17 ++++++++++++-----
1 file changed, 12 insertions(+), 5 deletions(-)
diff --git a/tools/include/linux/coresight-pmu.h b/tools/include/linux/coresight-pmu.h
index b0e35eec6499..5dc47cfdcf07 100644
--- a/tools/include/linux/coresight-pmu.h
+++ b/tools/include/linux/coresight-pmu.h
@@ -10,11 +10,18 @@
#define CORESIGHT_ETM_PMU_NAME "cs_etm"
#define CORESIGHT_ETM_PMU_SEED 0x10
-/* ETMv3.5/PTM's ETMCR config bit */
-#define ETM_OPT_CYCACC 12
-#define ETM_OPT_CTXTID 14
-#define ETM_OPT_TS 28
-#define ETM_OPT_RETSTK 29
+/*
+ * Below are the definition of bit offsets for perf option, and works as
+ * arbitrary values for all ETM versions.
+ *
+ * Most of them are orignally from ETMv3.5/PTM's ETMCR config, therefore,
+ * ETMv3.5/PTM doesn't define ETMCR config bits with prefix "ETM3_" and
+ * directly use below macros as config bits.
+ */
+#define ETM_OPT_CYCACC 12
+#define ETM_OPT_CTXTID 14
+#define ETM_OPT_TS 28
+#define ETM_OPT_RETSTK 29
/* ETMv4 CONFIGR programming bits for the ETM OPTs */
#define ETM4_CFG_BIT_CYCACC 4
--
2.25.1
next prev parent reply other threads:[~2021-02-24 16:53 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-24 16:48 [PATCH 0/6] coresight: Patches for v5.12 (perf tools) Mathieu Poirier
2021-02-24 16:48 ` [PATCH 1/6] perf: cs-etm: update ETM metadata format Mathieu Poirier
2021-02-24 16:48 ` Mathieu Poirier [this message]
2021-02-24 16:48 ` [PATCH 3/6] perf cs-etm: Fix bitmap for option Mathieu Poirier
2021-02-24 16:48 ` [PATCH 4/6] perf cs-etm: Support PID tracing in config Mathieu Poirier
2021-02-24 16:48 ` [PATCH 5/6] perf cs-etm: Add helper cs_etm__get_pid_fmt() Mathieu Poirier
2021-02-24 16:48 ` [PATCH 6/6] perf cs-etm: Detect pid in VMID for kernel running at EL2 Mathieu Poirier
2021-02-24 22:20 ` [PATCH 0/6] coresight: Patches for v5.12 (perf tools) Arnaldo Carvalho de Melo
2021-03-02 12:51 ` Arnaldo Carvalho de Melo
2021-03-02 12:52 ` Arnaldo Carvalho de Melo
2021-03-02 14:23 ` Mike Leach
2021-03-02 16:24 ` Arnaldo Carvalho de Melo
2021-03-02 16:42 ` Mathieu Poirier
2021-03-02 17:02 ` Mike Leach
2021-03-02 17:11 ` Arnaldo Carvalho de Melo
2021-03-03 7:50 ` Leo Yan
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