On 15/09/2023 10:36, Anshuman Khandual wrote:
This updates config option to include 'cc_threshold' tunable value.
Cc: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
Cc: Mike Leach <mike.leach@xxxxxxxxxx>
Cc: James Clark <james.clark@xxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: coresight@xxxxxxxxxxxxxxxx
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-doc@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Reviewed by: Mike Leach <mike.leach@xxxxxxxxxx>
Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
---
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
-------------------------
The patch as such looks good to me. If possible, could you fold this
into the previous patch ?
Suzuki
