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drm/amdgpu: rework GEM info printing 

Print BOs grouped per client.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2016-02-15 15:23:00 +01:00 committed by Alex Deucher
parent ebb36d19a0
commit 7ea2356533
2 changed files with 59 additions and 32 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View File

@ -531,7 +531,6 @@ struct amdgpu_bo {
struct amdgpu_bo *parent;
struct ttm_bo_kmap_obj dma_buf_vmap;
pid_t pid;
struct amdgpu_mn *mn;
struct list_head mn_list;
};

90
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
View File

@ -83,7 +83,6 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
return r;
}
*obj = &robj->gem_base;
robj->pid = task_pid_nr(current);
mutex_lock(&adev->gem.mutex);
list_add_tail(&robj->list, &adev->gem.objects);
@ -694,44 +693,73 @@ int amdgpu_mode_dumb_create(struct drm_file *file_priv,
}
#if defined(CONFIG_DEBUG_FS)
static int amdgpu_debugfs_gem_bo_info(int id, void *ptr, void *data)
{
struct drm_gem_object *gobj = ptr;
struct amdgpu_bo *bo = gem_to_amdgpu_bo(gobj);
struct seq_file *m = data;
unsigned domain;
const char *placement;
unsigned pin_count;
domain = amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type);
switch (domain) {
case AMDGPU_GEM_DOMAIN_VRAM:
placement = "VRAM";
break;
case AMDGPU_GEM_DOMAIN_GTT:
placement = " GTT";
break;
case AMDGPU_GEM_DOMAIN_CPU:
default:
placement = " CPU";
break;
}
seq_printf(m, "\t0x%08x: %12ld byte %s @ 0x%010Lx",
id, amdgpu_bo_size(bo), placement,
amdgpu_bo_gpu_offset(bo));
pin_count = ACCESS_ONCE(bo->pin_count);
if (pin_count)
seq_printf(m, " pin count %d", pin_count);
seq_printf(m, "\n");
return 0;
}
static int amdgpu_debugfs_gem_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 amdgpu_device *adev = dev->dev_private;
struct amdgpu_bo *rbo;
unsigned i = 0;
struct drm_file *file;
int r;
mutex_lock(&adev->gem.mutex);
list_for_each_entry(rbo, &adev->gem.objects, list) {
unsigned pin_count;
unsigned domain;
const char *placement;
r = mutex_lock_interruptible(&dev->struct_mutex);
if (r)
return r;
domain = amdgpu_mem_type_to_domain(rbo->tbo.mem.mem_type);
switch (domain) {
case AMDGPU_GEM_DOMAIN_VRAM:
placement = "VRAM";
break;
case AMDGPU_GEM_DOMAIN_GTT:
placement = " GTT";
break;
case AMDGPU_GEM_DOMAIN_CPU:
default:
placement = " CPU";
break;
}
seq_printf(m, "bo[0x%08x] %12ld %s @ 0x%010Lx pid %8d",
i, amdgpu_bo_size(rbo), placement,
amdgpu_bo_gpu_offset(rbo), rbo->pid);
list_for_each_entry(file, &dev->filelist, lhead) {
struct task_struct *task;
pin_count = ACCESS_ONCE(rbo->pin_count);
if (pin_count)
seq_printf(m, " pin count %d", pin_count);
seq_printf(m, "\n");
i++;
/*
* Although we have a valid reference on file->pid, that does
* not guarantee that the task_struct who called get_pid() is
* still alive (e.g. get_pid(current) => fork() => exit()).
* Therefore, we need to protect this ->comm access using RCU.
*/
rcu_read_lock();
task = pid_task(file->pid, PIDTYPE_PID);
seq_printf(m, "pid %8d command %s:\n", pid_nr(file->pid),
task ? task->comm : "<unknown>");
rcu_read_unlock();
spin_lock(&file->table_lock);
idr_for_each(&file->object_idr, amdgpu_debugfs_gem_bo_info, m);
spin_unlock(&file->table_lock);
}
mutex_unlock(&adev->gem.mutex);
mutex_unlock(&dev->struct_mutex);
return 0;
}