kernel/linux.git/drivers/gpu/drm/lima/lima_trace.c, branch linux-6.9.yLinux kernel stable tree (mirror)https://git.radix-linux.su/kernel/linux.git/atom?h=linux-6.9.y2020-03-22T01:57:21+00:00drm/lima: add trace point for tasks2020-03-22T01:57:21+00:00Qiang Yuyuq825@gmail.com2020-03-07T13:54:38+00:00urn:sha1:7f60c4b9d964f604262327a0bfdbfd1721288ef8
track lima task start which can be combined with
dma_fence_signal to identify task execution time.
example command to record:
trace-cmd record -i \
-e "lima:lima_task_submit" -e "lima:lima_task_run" \
-e "*fence:*fence_signaled" -e "drm:drm_vblank_event" \
-e "drm:drm_vblank_event_queued" sleep 4
Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200307135438.9981-1-yuq825@gmail.com