On 14/11/2024 8:16 am, Yicong Yang wrote:

From: Yicong Yang yangyicong@hisilicon.com

tmc_drvdata::reading is used to indicate whether a reading process is performed through /dev/xyz.tmc. Document it.

Signed-off-by: Yicong Yang yangyicong@hisilicon.com

drivers/hwtracing/coresight/coresight-tmc.h | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/hwtracing/coresight/coresight-tmc.h b/drivers/hwtracing/coresight/coresight-tmc.h index 2671926be62a..fdf7955e7350 100644 --- a/drivers/hwtracing/coresight/coresight-tmc.h +++ b/drivers/hwtracing/coresight/coresight-tmc.h @@ -174,6 +174,7 @@ struct etr_buf {

• @pid: Process ID of the process that owns the session that is using

• this component. For example this would be the pid of the Perf
  

• process.
  

• • @reading: buffer's in the reading through "/dev/xyz.tmc" entry
  • @buf: Snapshot of the trace data for ETF/ETB.
  • @etr_buf: details of buffer used in TMC-ETR
  • @len: size of the available trace for ETF/ETB.

Reviewed-by: James Clark james.clark@linaro.org