From 4241db42e474ffc6d432e60eb5aaea98f12fda20 Mon Sep 17 00:00:00 2001 From: Jordan Crouse Date: Fri, 2 Nov 2018 09:25:21 -0600 Subject: drm/msm/gpu: Add trace events for tracking GPU submissions Add trace events to track the progress of a GPU submission msm_gpu_submit occurs at the beginning of the submissions, msm_gpu_submit_flush happens when the submission is put on the ringbuffer and msm_submit_flush_retired is sent when the operation is retired. To make it easier to track the operations a unique sequence number is assigned to each submission and displayed in each event output so a human or a script can easily associate the events related to a specific submission. Signed-off-by: Jordan Crouse Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/gpu/drm/msm/adreno/a6xx_gpu.c') diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index cf66edfb5246..e0a918e8e969 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -4,6 +4,7 @@ #include "msm_gem.h" #include "msm_mmu.h" +#include "msm_gpu_trace.h" #include "a6xx_gpu.h" #include "a6xx_gmu.xml.h" @@ -81,6 +82,8 @@ static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, { unsigned int index = submit->seqno % MSM_GPU_SUBMIT_STATS_COUNT; struct msm_drm_private *priv = gpu->dev->dev_private; + struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); + struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); struct msm_ringbuffer *ring = submit->ring; unsigned int i; @@ -138,6 +141,10 @@ static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, OUT_RING(ring, upper_32_bits(rbmemptr(ring, fence))); OUT_RING(ring, submit->seqno); + trace_msm_gpu_submit_flush(submit, + gmu_read64(&a6xx_gpu->gmu, REG_A6XX_GMU_ALWAYS_ON_COUNTER_L, + REG_A6XX_GMU_ALWAYS_ON_COUNTER_H)); + a6xx_flush(gpu, ring); } -- cgit v1.2.3