drm/amdgpu: add command submission workflow tracepoint

OGL needs these tracepoints to investigate performance issue.

Change-Id: I5e58187d061253f7d665dfce8e4e163ba91d3e2b
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>

5 files changed, 76 insertions, 4 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index bf32096b8eb7..2ae73d5232dd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -888,7 +888,7 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
                 ttm_eu_fence_buffer_objects(&parser.ticket,
                                 &parser.validated,
                                 &job->base.s_fence->base);
-
+                trace_amdgpu_cs_ioctl(job);
                 mutex_unlock(&job->job_lock);
                 amdgpu_cs_parser_fini_late(&parser);
                 mutex_unlock(&vm->mutex);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
index dcf4a8aca680..67f778f6eedb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
@@ -26,6 +26,7 @@
 #include <linux/sched.h>
 #include <drm/drmP.h>
 #include "amdgpu.h"
+#include "amdgpu_trace.h"
 
 static struct fence *amdgpu_sched_dependency(struct amd_sched_job *sched_job)
 {
@@ -45,6 +46,7 @@ static struct fence *amdgpu_sched_run_job(struct amd_sched_job *sched_job)
         }
         job = to_amdgpu_job(sched_job);
         mutex_lock(&job->job_lock);
+        trace_amdgpu_sched_run_job(job);
         r = amdgpu_ib_schedule(job->adev,
                                job->num_ibs,
                                job->ibs,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
index 26e2d50a6f64..8f9834ab1bd5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
@@ -48,6 +48,57 @@ TRACE_EVENT(amdgpu_cs,
                       __entry->fences)
 );
 
+TRACE_EVENT(amdgpu_cs_ioctl,
+            TP_PROTO(struct amdgpu_job *job),
+            TP_ARGS(job),
+            TP_STRUCT__entry(
+                             __field(struct amdgpu_device *, adev)
+                             __field(struct amd_sched_job *, sched_job)
+                             __field(struct amdgpu_ib *, ib)
+                             __field(struct fence *, fence)
+                             __field(char *, ring_name)
+                             __field(u32, num_ibs)
+                             ),
+
+            TP_fast_assign(
+                           __entry->adev = job->adev;
+                           __entry->sched_job = &job->base;
+                           __entry->ib = job->ibs;
+                           __entry->fence = &job->base.s_fence->base;
+                           __entry->ring_name = job->ibs[0].ring->name;
+                           __entry->num_ibs = job->num_ibs;
+                           ),
+            TP_printk("adev=%p, sched_job=%p, first ib=%p, sched fence=%p, ring name:%s, num_ibs:%u",
+                      __entry->adev, __entry->sched_job, __entry->ib,
+                      __entry->fence, __entry->ring_name, __entry->num_ibs)
+);
+
+TRACE_EVENT(amdgpu_sched_run_job,
+            TP_PROTO(struct amdgpu_job *job),
+            TP_ARGS(job),
+            TP_STRUCT__entry(
+                             __field(struct amdgpu_device *, adev)
+                             __field(struct amd_sched_job *, sched_job)
+                             __field(struct amdgpu_ib *, ib)
+                             __field(struct fence *, fence)
+                             __field(char *, ring_name)
+                             __field(u32, num_ibs)
+                             ),
+
+            TP_fast_assign(
+                           __entry->adev = job->adev;
+                           __entry->sched_job = &job->base;
+                           __entry->ib = job->ibs;
+                           __entry->fence = &job->base.s_fence->base;
+                           __entry->ring_name = job->ibs[0].ring->name;
+                           __entry->num_ibs = job->num_ibs;
+                           ),
+            TP_printk("adev=%p, sched_job=%p, first ib=%p, sched fence=%p, ring name:%s, num_ibs:%u",
+                      __entry->adev, __entry->sched_job, __entry->ib,
+                      __entry->fence, __entry->ring_name, __entry->num_ibs)
+);
+
+
 TRACE_EVENT(amdgpu_vm_grab_id,
             TP_PROTO(unsigned vmid, int ring),
             TP_ARGS(vmid, ring),
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h b/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h
index 144f50acc971..c89dc777768f 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h
+++ b/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h
@@ -16,6 +16,8 @@ TRACE_EVENT(amd_sched_job,
             TP_ARGS(sched_job),
             TP_STRUCT__entry(
                              __field(struct amd_sched_entity *, entity)
+                             __field(struct amd_sched_job *, sched_job)
+                             __field(struct fence *, fence)
                              __field(const char *, name)
                              __field(u32, job_count)
                              __field(int, hw_job_count)
@@ -23,16 +25,32 @@ TRACE_EVENT(amd_sched_job,
 
             TP_fast_assign(
                            __entry->entity = sched_job->s_entity;
+                           __entry->sched_job = sched_job;
+                           __entry->fence = &sched_job->s_fence->base;
                            __entry->name = sched_job->sched->name;
                            __entry->job_count = kfifo_len(
                                    &sched_job->s_entity->job_queue) / sizeof(sched_job);
                            __entry->hw_job_count = atomic_read(
                                    &sched_job->sched->hw_rq_count);
                            ),
-            TP_printk("entity=%p, ring=%s, job count:%u, hw job count:%d",
-                      __entry->entity, __entry->name, __entry->job_count,
-                      __entry->hw_job_count)
+            TP_printk("entity=%p, sched job=%p, fence=%p, ring=%s, job count:%u, hw job count:%d",
+                      __entry->entity, __entry->sched_job, __entry->fence, __entry->name,
+                      __entry->job_count, __entry->hw_job_count)
 );
+
+TRACE_EVENT(amd_sched_process_job,
+            TP_PROTO(struct amd_sched_fence *fence),
+            TP_ARGS(fence),
+            TP_STRUCT__entry(
+                    __field(struct fence *, fence)
+                    ),
+
+            TP_fast_assign(
+                    __entry->fence = &fence->base;
+                    ),
+            TP_printk("fence=%p signaled", __entry->fence)
+);
+
 #endif
 
 /* This part must be outside protection */
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
index fe5b3c415f18..b8925fea577c 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
@@ -346,6 +346,7 @@ static void amd_sched_process_job(struct fence *f, struct fence_cb *cb)
                 list_del_init(&s_fence->list);
                 spin_unlock_irqrestore(&sched->fence_list_lock, flags);
         }
+        trace_amd_sched_process_job(s_fence);
         fence_put(&s_fence->base);
         wake_up_interruptible(&sched->wake_up_worker);
 }