29 Apr
2022
29 Apr
'22
4:28 p.m.
On Fri, Apr 29, 2022 at 01:30:59PM +0100, German Gomez wrote:
Add a new sysfs interface in /sys/bus/coresight/devices/etm<N>/ts_source indicating the configured timestamp source when the ETM device driver was probed.
The perf tool will use this information to detect if the trace data timestamp matches the kernel time, enabling correlation of CoreSight trace with perf events.
Suggested-by: Suzuki K Poulose suzuki.poulose@arm.com Signed-off-by: German Gomez german.gomez@arm.com
Reviewed-by: Leo Yan leo.yan@linaro.org