Re: [PATCH V3 3/3] Documentation: coresight: Add cc_threshold tunable

On Fri, 11 Aug 2023 at 04:46, Anshuman Khandual anshuman.khandual@arm.com wrote:

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 Signed-off-by: Anshuman Khandual anshuman.khandual@arm.com

---

Documentation/trace/coresight/coresight.rst | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/Documentation/trace/coresight/coresight.rst b/Documentation/trace/coresight/coresight.rst index 4a71ea6cb390..ce55adb80b82 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 <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

-- 2.25.1

Reviewed by: Mike Leach mike.leach@linaro.org