drm/amdgpu: Add job pipe sync dependecy trace

It's useful to trace any dependency a job has on prevoius
jobs.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Andrey Grodzovsky 2018-07-31 10:52:25 -04:00 committed by Alex Deucher
parent 07507c01aa
commit 65f7260b13
2 changed files with 29 additions and 0 deletions

View File

@ -32,6 +32,7 @@
#include <drm/amdgpu_drm.h>
#include "amdgpu.h"
#include "atom.h"
#include "amdgpu_trace.h"
#define AMDGPU_IB_TEST_TIMEOUT msecs_to_jiffies(1000)
@ -170,6 +171,10 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
(amdgpu_sriov_vf(adev) && need_ctx_switch) ||
amdgpu_vm_need_pipeline_sync(ring, job))) {
need_pipe_sync = true;
if (tmp)
trace_amdgpu_ib_pipe_sync(job, tmp);
dma_fence_put(tmp);
}

View File

@ -462,6 +462,30 @@ TRACE_EVENT(amdgpu_bo_move,
__entry->new_placement, __entry->bo_size)
);
TRACE_EVENT(amdgpu_ib_pipe_sync,
TP_PROTO(struct amdgpu_job *sched_job, struct dma_fence *fence),
TP_ARGS(sched_job, fence),
TP_STRUCT__entry(
__field(const char *,name)
__field(uint64_t, id)
__field(struct dma_fence *, fence)
__field(uint64_t, ctx)
__field(unsigned, seqno)
),
TP_fast_assign(
__entry->name = sched_job->base.sched->name;
__entry->id = sched_job->base.id;
__entry->fence = fence;
__entry->ctx = fence->context;
__entry->seqno = fence->seqno;
),
TP_printk("job ring=%s, id=%llu, need pipe sync to fence=%p, context=%llu, seq=%u",
__entry->name, __entry->id,
__entry->fence, __entry->ctx,
__entry->seqno)
);
#undef AMDGPU_JOB_GET_TIMELINE_NAME
#endif