Documentation: coresight: Add cc_threshold tunable

This updates config option to include 'cc_threshold' tunable value.

Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: James Clark <james.clark@arm.com>
Cc: Jonathan Corbet <corbet@lwn.net>
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 <mike.leach@linaro.org>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20230921033631.1298723-4-anshuman.khandual@arm.com
This commit is contained in:
Anshuman Khandual 2023-09-21 09:06:31 +05:30 committed by Suzuki K Poulose
parent 94566c5b07
commit e5d207b24c

View File

@ -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
<coresight-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
-------------------------