Skip to content

Commit

Permalink
drm/amdgpu: improve VM PTE trace points
Browse files Browse the repository at this point in the history
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>
  • Loading branch information
Christian König authored and Alex Deucher committed Sep 28, 2016
1 parent 186294f commit ec2f05f
Show file tree
Hide file tree
Showing 2 changed files with 25 additions and 5 deletions.
20 changes: 19 additions & 1 deletion drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
Original file line number Diff line number Diff line change
Expand Up @@ -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),
Expand All @@ -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),
Expand Down
10 changes: 6 additions & 4 deletions drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
Original file line number Diff line number Diff line change
Expand Up @@ -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,
Expand Down Expand Up @@ -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);
}

/**
Expand Down

0 comments on commit ec2f05f

Please sign in to comment.