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drm/i915: List objects allocated from stolen memory in debugfs 

I was curious as to what objects were currently allocated from stolen
memory, and so exported it from debugfs.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Chris Wilson 2013-08-07 18:30:54 +01:00 committed by Daniel Vetter
parent a95fd8cae0
commit 6d2b888569
1 changed files with 63 additions and 0 deletions
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63
drivers/gpu/drm/i915/i915_debugfs.c
View File

@ -30,6 +30,7 @@
#include <linux/debugfs.h>
#include <linux/slab.h>
#include <linux/export.h>
#include <linux/list_sort.h>
#include <drm/drmP.h>
#include "intel_drv.h"
#include "intel_ringbuffer.h"
@ -188,6 +189,67 @@ static int i915_gem_object_list_info(struct seq_file *m, void *data)
return 0;
}
static int obj_rank_by_stolen(void *priv,
struct list_head *A, struct list_head *B)
{
struct drm_i915_gem_object *a =
container_of(A, struct drm_i915_gem_object, exec_list);
struct drm_i915_gem_object *b =
container_of(B, struct drm_i915_gem_object, exec_list);
return a->stolen->start - b->stolen->start;
}
static int i915_gem_stolen_list_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_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj;
size_t total_obj_size, total_gtt_size;
LIST_HEAD(stolen);
int count, ret;
ret = mutex_lock_interruptible(&dev->struct_mutex);
if (ret)
return ret;
total_obj_size = total_gtt_size = count = 0;
list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
if (obj->stolen == NULL)
continue;
list_add(&obj->exec_list, &stolen);
total_obj_size += obj->base.size;
total_gtt_size += i915_gem_obj_ggtt_size(obj);
count++;
}
list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_list) {
if (obj->stolen == NULL)
continue;
list_add(&obj->exec_list, &stolen);
total_obj_size += obj->base.size;
count++;
}
list_sort(NULL, &stolen, obj_rank_by_stolen);
seq_puts(m, "Stolen:\n");
while (!list_empty(&stolen)) {
obj = list_first_entry(&stolen, typeof(*obj), exec_list);
seq_puts(m, " ");
describe_obj(m, obj);
seq_putc(m, '\n');
list_del_init(&obj->exec_list);
}
mutex_unlock(&dev->struct_mutex);
seq_printf(m, "Total %d objects, %zu bytes, %zu GTT size\n",
count, total_obj_size, total_gtt_size);
return 0;
}
#define count_objects(list, member) do { \
list_for_each_entry(obj, list, member) { \
size += i915_gem_obj_ggtt_size(obj); \
@ -2114,6 +2176,7 @@ static struct drm_info_list i915_debugfs_list[] = {
{"i915_gem_pinned", i915_gem_gtt_info, 0, (void *) PINNED_LIST},
{"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST},
{"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST},
{"i915_gem_stolen", i915_gem_stolen_list_info },
{"i915_gem_pageflip", i915_gem_pageflip_info, 0},
{"i915_gem_request", i915_gem_request_info, 0},
{"i915_gem_seqno", i915_gem_seqno_info, 0},