Re: [PATCH v3 2/8] tools headers UAPI: Update tools' copy of linux/coresight-pmu.h
From: Mathieu Poirier <mathieu.poirier@linaro.org>
Date: 2021-02-08 19:03:36
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On Sat, Feb 06, 2021 at 11:08:27PM +0800, Leo Yan wrote:
To get the changes in the commit: "coresight: etm-perf: Clarify comment on perf options". Signed-off-by: Leo Yan <redacted> Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
quoted hunk ↗ jump to hunk
--- 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
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