drm/amdgpu: improve VM PTE trace points

Use a separate one for the copy operation and
log all the interesting parameters.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

2 files changed, 25 insertions, 5 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
index 0d8d65eb46cd..067e5e683bb3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
@@ -247,7 +247,7 @@ DEFINE_EVENT(amdgpu_vm_mapping, amdgpu_vm_bo_mapping,
             TP_ARGS(mapping)
 );
 
-TRACE_EVENT(amdgpu_vm_set_page,
+TRACE_EVENT(amdgpu_vm_set_ptes,
             TP_PROTO(uint64_t pe, uint64_t addr, unsigned count,
                      uint32_t incr, uint32_t flags),
             TP_ARGS(pe, addr, count, incr, flags),
@@ -271,6 +271,24 @@ TRACE_EVENT(amdgpu_vm_set_page,
                       __entry->flags, __entry->count)
 );
 
+TRACE_EVENT(amdgpu_vm_copy_ptes,
+            TP_PROTO(uint64_t pe, uint64_t src, unsigned count),
+            TP_ARGS(pe, src, count),
+            TP_STRUCT__entry(
+                             __field(u64, pe)
+                             __field(u64, src)
+                             __field(u32, count)
+                             ),
+
+            TP_fast_assign(
+                           __entry->pe = pe;
+                           __entry->src = src;
+                           __entry->count = count;
+                           ),
+            TP_printk("pe=%010Lx, src=%010Lx, count=%u",
+                      __entry->pe, __entry->src, __entry->count)
+);
+
 TRACE_EVENT(amdgpu_vm_flush,
             TP_PROTO(uint64_t pd_addr, unsigned ring, unsigned id),
             TP_ARGS(pd_addr, ring, id),
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 3a43000bdf8c..1405d69fefb5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -487,7 +487,7 @@ static void amdgpu_vm_do_set_ptes(struct amdgpu_pte_update_params *params,
                                   unsigned count, uint32_t incr,
                                   uint32_t flags)
 {
-        trace_amdgpu_vm_set_page(pe, addr, count, incr, flags);
+        trace_amdgpu_vm_set_ptes(pe, addr, count, incr, flags);
 
         if (count < 3) {
                 amdgpu_vm_write_pte(params->adev, params->ib, pe,
@@ -516,10 +516,12 @@ static void amdgpu_vm_do_copy_ptes(struct amdgpu_pte_update_params *params,
                                    unsigned count, uint32_t incr,
                                    uint32_t flags)
 {
-        trace_amdgpu_vm_set_page(pe, addr, count, incr, flags);
+        uint64_t src = (params->src + (addr >> 12) * 8);
 
-        amdgpu_vm_copy_pte(params->adev, params->ib, pe,
-                           (params->src + (addr >> 12) * 8), count);
+
+        trace_amdgpu_vm_copy_ptes(pe, src, count);
+
+        amdgpu_vm_copy_pte(params->adev, params->ib, pe, src, count);
 }
 
 /**