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authorJerome Glisse <jglisse@redhat.com>2013-04-25 22:29:27 -0400
committerAlex Deucher <alexander.deucher@amd.com>2013-05-02 10:09:47 -0400
commit409851f48939dffdd9f19a43830f54eac2c19a53 (patch)
tree6ec5a11ba6d6cec8959716a6aba99a392fe222e1 /drivers/gpu/drm/radeon
parent62d1f92e06aef9665d71ca7e986b3047ecf0b3c7 (diff)
downloadlinux-stericsson-409851f48939dffdd9f19a43830f54eac2c19a53.tar.gz
radeon: add bo tracking debugfs
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>
Diffstat (limited to 'drivers/gpu/drm/radeon')
-rw-r--r--drivers/gpu/drm/radeon/radeon.h5
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c5
-rw-r--r--drivers/gpu/drm/radeon/radeon_gem.c50
3 files changed, 59 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index d6c8cbaa8693..3ef7543a2986 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -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
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 237b7a7549e6..a8f608903989 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -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
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index fe5c1f6b7957..aa796031ab65 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -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;
+}