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drm/amdgpu: Add debugfs entry for printing VM info

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Create new debugfs entry to print memory info using VM buffer
objects.

V2: Added Common function for printing BO info.
    Dump more VM lists for evicted, moved, relocated, invalidated.
    Removed dumping VM mapped BOs.
V3: Fixed coding style comments, renamed print API and variables.
V4: Fixed coding style comments.

Signed-off-by: Mihir Bhogilal Patel <Mihir.Patel@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Mihir Bhogilal Patel
2020-10-08 15:46:38 +05:30
committed by Alex Deucher
parent ded08454e5
commit ff72bc4031
6 changed files with 199 additions and 62 deletions
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30
drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
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@@ -1335,11 +1335,41 @@ static int amdgpu_debugfs_evict_gtt(struct seq_file *m, void *data)
return 0;
}
static int amdgpu_debugfs_vm_info(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *)m->private;
struct drm_device *dev = node->minor->dev;
struct drm_file *file;
int r;
r = mutex_lock_interruptible(&dev->filelist_mutex);
if (r)
return r;
list_for_each_entry(file, &dev->filelist, lhead) {
struct amdgpu_fpriv *fpriv = file->driver_priv;
struct amdgpu_vm *vm = &fpriv->vm;
seq_printf(m, "pid:%d\tProcess:%s ----------\n",
vm->task_info.pid, vm->task_info.process_name);
r = amdgpu_bo_reserve(vm->root.base.bo, true);
if (r)
break;
amdgpu_debugfs_vm_bo_info(vm, m);
amdgpu_bo_unreserve(vm->root.base.bo);
}
mutex_unlock(&dev->filelist_mutex);
return r;
}
static const struct drm_info_list amdgpu_debugfs_list[] = {
{"amdgpu_vbios", amdgpu_debugfs_get_vbios_dump},
{"amdgpu_test_ib", &amdgpu_debugfs_test_ib},
{"amdgpu_evict_vram", &amdgpu_debugfs_evict_vram},
{"amdgpu_evict_gtt", &amdgpu_debugfs_evict_gtt},
{"amdgpu_vm_info", &amdgpu_debugfs_vm_info},
};
static void amdgpu_ib_preempt_fences_swap(struct amdgpu_ring *ring,