From: Anshuman Khandual Date: Thu, 21 Sep 2023 03:36:31 +0000 (+0530) Subject: Documentation: coresight: Add cc_threshold tunable X-Git-Tag: v6.8-rc1~62^2~102^2~26 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=e5d207b24c54af25fb763af44e2db35347a0f7ee;p=linux-block.git Documentation: coresight: Add cc_threshold tunable This updates config option to include 'cc_threshold' tunable value. Cc: Suzuki K Poulose Cc: Mike Leach Cc: James Clark Cc: Jonathan Corbet Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-doc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Reviewed by: Mike Leach Signed-off-by: Anshuman Khandual Signed-off-by: Suzuki K Poulose Link: https://lore.kernel.org/r/20230921033631.1298723-4-anshuman.khandual@arm.com --- diff --git a/Documentation/trace/coresight/coresight.rst b/Documentation/trace/coresight/coresight.rst index 826e59a698da..d4f93d6a2d63 100644 --- a/Documentation/trace/coresight/coresight.rst +++ b/Documentation/trace/coresight/coresight.rst @@ -624,6 +624,10 @@ They are also listed in the folder /sys/bus/event_source/devices/cs_etm/format/ * - timestamp - Session local version of the system wide setting: :ref:`ETMv4_MODE_TIMESTAMP ` + * - cc_threshold + - Cycle count threshold value. If nothing is provided here or the provided value is 0, then the + default value i.e 0x100 will be used. If provided value is less than minimum cycles threshold + value, as indicated via TRCIDR3.CCITMIN, then the minimum value will be used instead. How to use the STM module -------------------------