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radeon: add bo tracking debugfs

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This is to allow debugging of userspace program not freeing buffer
after, which is basicly a memory leak. This print the list of all
gem object along with their size and placement (VRAM,GTT,CPU) and
with the pid of the task that created them.

agd5f: add warning fix

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jerome Glisse 2013-04-25 22:29:27 -04:00 committed by Alex Deucher
parent 62d1f92e06
commit 409851f489
3 changed files with 59 additions and 1 deletions
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5
drivers/gpu/drm/radeon/radeon.h
View File

@ -358,7 +358,8 @@ struct radeon_bo {
struct radeon_device *rdev;
struct drm_gem_object gem_base;
struct ttm_bo_kmap_obj dma_buf_vmap;
struct ttm_bo_kmap_obj dma_buf_vmap;
pid_t pid;
};
#define gem_to_radeon_bo(gobj) container_of((gobj), struct radeon_bo, gem_base)
@ -372,6 +373,8 @@ struct radeon_bo_list {
u32 tiling_flags;
};
int radeon_gem_debugfs_init(struct radeon_device *rdev);
/* sub-allocation manager, it has to be protected by another lock.
* By conception this is an helper for other part of the driver
* like the indirect buffer or semaphore, which both have their

5
drivers/gpu/drm/radeon/radeon_device.c
View File

@ -1178,6 +1178,11 @@ int radeon_device_init(struct radeon_device *rdev,
if (r)
DRM_ERROR("ib ring test failed (%d).\n", r);
r = radeon_gem_debugfs_init(rdev);
if (r) {
DRM_ERROR("registering gem debugfs failed (%d).\n", r);
}
if (rdev->flags & RADEON_IS_AGP && !rdev->accel_working) {
/* Acceleration not working on AGP card try again
* with fallback to PCI or PCIE GART

50
drivers/gpu/drm/radeon/radeon_gem.c
View File

@ -84,6 +84,7 @@ retry:
return r;
}
*obj = &robj->gem_base;
robj->pid = task_pid_nr(current);
mutex_lock(&rdev->gem.mutex);
list_add_tail(&robj->list, &rdev->gem.objects);
@ -575,3 +576,52 @@ int radeon_mode_dumb_destroy(struct drm_file *file_priv,
{
return drm_gem_handle_delete(file_priv, handle);
}
#if defined(CONFIG_DEBUG_FS)
static int radeon_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 radeon_device *rdev = dev->dev_private;
struct radeon_bo *rbo;
unsigned i = 0;
mutex_lock(&rdev->gem.mutex);
list_for_each_entry(rbo, &rdev->gem.objects, list) {
unsigned domain;
const char *placement;
domain = radeon_mem_type_to_domain(rbo->tbo.mem.mem_type);
switch (domain) {
case RADEON_GEM_DOMAIN_VRAM:
placement = "VRAM";
break;
case RADEON_GEM_DOMAIN_GTT:
placement = " GTT";
break;
case RADEON_GEM_DOMAIN_CPU:
default:
placement = " CPU";
break;
}
seq_printf(m, "bo[0x%08x] %8ldkB %8ldMB %s pid %8ld\n",
i, radeon_bo_size(rbo) >> 10, radeon_bo_size(rbo) >> 20,
placement, (unsigned long)rbo->pid);
i++;
}
mutex_unlock(&rdev->gem.mutex);
return 0;
}
static struct drm_info_list radeon_debugfs_gem_list[] = {
{"radeon_gem_info", &radeon_debugfs_gem_info, 0, NULL},
};
#endif
int radeon_gem_debugfs_init(struct radeon_device *rdev)
{
#if defined(CONFIG_DEBUG_FS)
return radeon_debugfs_add_files(rdev, radeon_debugfs_gem_list, 1);
#endif
return 0;
}