geemili
/
drm
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[intel-gem] Add intel-specific /proc entries to help monitor gem operation 

This adds gem_active, gem_flushing, gem_inactive, gem_request and gem_seqno
entries to monitor gem operation and help debug issues.
main
Keith Packard 2008-06-20 21:07:46 -07:00
parent 2bd9799e4c
commit 71b1623e22
4 changed files with 236 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
linux-core/i915_drv.c
View File

@ -589,6 +589,8 @@ static struct drm_driver driver = {
.reclaim_buffers = drm_core_reclaim_buffers,
.get_map_ofs = drm_core_get_map_ofs,
.get_reg_ofs = drm_core_get_reg_ofs,
.proc_init = i915_gem_proc_init,
.proc_cleanup = i915_gem_proc_cleanup,
.ioctls = i915_ioctls,
.gem_init_object = i915_gem_init_object,
.gem_free_object = i915_gem_free_object,

221
linux-core/i915_gem.c
View File

@ -536,7 +536,7 @@ i915_seqno_passed(uint32_t seq1, uint32_t seq2)
return (int32_t)(seq1 - seq2) >= 0;
}
static uint32_t
uint32_t
i915_get_gem_seqno(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
@ -604,11 +604,13 @@ i915_wait_request(struct drm_device *dev, uint32_t seqno)
BUG_ON(seqno == 0);
if (!i915_seqno_passed(i915_get_gem_seqno(dev), seqno)) {
dev_priv->mm.waiting_gem_seqno = seqno;
i915_user_irq_on(dev_priv);
ret = wait_event_interruptible(dev_priv->irq_queue,
i915_seqno_passed(i915_get_gem_seqno(dev),
seqno));
i915_user_irq_off(dev_priv);
dev_priv->mm.waiting_gem_seqno = 0;
}
if (ret)
DRM_ERROR("%s returns %d (awaiting %d at %d)\n",
@ -2298,6 +2300,223 @@ i915_gem_leavevt_ioctl(struct drm_device *dev, void *data,
return 0;
}
static int i915_gem_active_info(char *buf, char **start, off_t offset,
int request, int *eof, void *data)
{
struct drm_minor *minor = (struct drm_minor *) data;
struct drm_device *dev = minor->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv;
int len = 0;
if (offset > DRM_PROC_LIMIT) {
*eof = 1;
return 0;
}
*start = &buf[offset];
*eof = 0;
DRM_PROC_PRINT("Active:\n");
list_for_each_entry(obj_priv, &dev_priv->mm.active_list,
list)
{
struct drm_gem_object *obj = obj_priv->obj;
if (obj->name) {
DRM_PROC_PRINT(" %p(%d): %08x %08x %d\n",
obj, obj->name,
obj->read_domains, obj->write_domain,
obj_priv->last_rendering_seqno);
} else {
DRM_PROC_PRINT(" %p: %08x %08x %d\n",
obj,
obj->read_domains, obj->write_domain,
obj_priv->last_rendering_seqno);
}
}
if (len > request + offset)
return request;
*eof = 1;
return len - offset;
}
static int i915_gem_flushing_info(char *buf, char **start, off_t offset,
int request, int *eof, void *data)
{
struct drm_minor *minor = (struct drm_minor *) data;
struct drm_device *dev = minor->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv;
int len = 0;
if (offset > DRM_PROC_LIMIT) {
*eof = 1;
return 0;
}
*start = &buf[offset];
*eof = 0;
DRM_PROC_PRINT("Flushing:\n");
list_for_each_entry(obj_priv, &dev_priv->mm.flushing_list,
list)
{
struct drm_gem_object *obj = obj_priv->obj;
if (obj->name) {
DRM_PROC_PRINT(" %p(%d): %08x %08x %d\n",
obj, obj->name,
obj->read_domains, obj->write_domain,
obj_priv->last_rendering_seqno);
} else {
DRM_PROC_PRINT(" %p: %08x %08x %d\n", obj,
obj->read_domains, obj->write_domain,
obj_priv->last_rendering_seqno);
}
}
if (len > request + offset)
return request;
*eof = 1;
return len - offset;
}
static int i915_gem_inactive_info(char *buf, char **start, off_t offset,
int request, int *eof, void *data)
{
struct drm_minor *minor = (struct drm_minor *) data;
struct drm_device *dev = minor->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv;
int len = 0;
if (offset > DRM_PROC_LIMIT) {
*eof = 1;
return 0;
}
*start = &buf[offset];
*eof = 0;
DRM_PROC_PRINT("Inactive:\n");
list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list,
list)
{
struct drm_gem_object *obj = obj_priv->obj;
if (obj->name) {
DRM_PROC_PRINT(" %p(%d): %08x %08x %d\n",
obj, obj->name,
obj->read_domains, obj->write_domain,
obj_priv->last_rendering_seqno);
} else {
DRM_PROC_PRINT(" %p: %08x %08x %d\n", obj,
obj->read_domains, obj->write_domain,
obj_priv->last_rendering_seqno);
}
}
if (len > request + offset)
return request;
*eof = 1;
return len - offset;
}
static int i915_gem_request_info(char *buf, char **start, off_t offset,
int request, int *eof, void *data)
{
struct drm_minor *minor = (struct drm_minor *) data;
struct drm_device *dev = minor->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_request *gem_request;
int len = 0;
if (offset > DRM_PROC_LIMIT) {
*eof = 1;
return 0;
}
*start = &buf[offset];
*eof = 0;
DRM_PROC_PRINT("Request:\n");
list_for_each_entry(gem_request, &dev_priv->mm.request_list,
list)
{
DRM_PROC_PRINT (" %d @ %d %08x\n",
gem_request->seqno,
(int) (jiffies - gem_request->emitted_jiffies),
gem_request->flush_domains);
}
if (len > request + offset)
return request;
*eof = 1;
return len - offset;
}
static int i915_gem_seqno_info(char *buf, char **start, off_t offset,
int request, int *eof, void *data)
{
struct drm_minor *minor = (struct drm_minor *) data;
struct drm_device *dev = minor->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
int len = 0;
if (offset > DRM_PROC_LIMIT) {
*eof = 1;
return 0;
}
*start = &buf[offset];
*eof = 0;
DRM_PROC_PRINT("Current sequence: %d\n", i915_get_gem_seqno(dev));
DRM_PROC_PRINT("Waiter sequence: %d\n", dev_priv->mm.waiting_gem_seqno);
DRM_PROC_PRINT("IRQ sequence: %d\n", dev_priv->mm.irq_gem_seqno);
if (len > request + offset)
return request;
*eof = 1;
return len - offset;
}
static struct drm_proc_list {
const char *name; /**< file name */
int (*f) (char *, char **, off_t, int, int *, void *); /**< proc callback*/
} i915_gem_proc_list[] = {
{"gem_active", i915_gem_active_info},
{"gem_flushing", i915_gem_flushing_info},
{"gem_inactive", i915_gem_inactive_info},
{"gem_request", i915_gem_request_info},
{"gem_seqno", i915_gem_seqno_info},
};
#define I915_GEM_PROC_ENTRIES ARRAY_SIZE(i915_gem_proc_list)
int i915_gem_proc_init(struct drm_minor *minor)
{
struct proc_dir_entry *ent;
int i, j;
for (i = 0; i < I915_GEM_PROC_ENTRIES; i++) {
ent = create_proc_entry(i915_gem_proc_list[i].name,
S_IFREG | S_IRUGO, minor->dev_root);
if (!ent) {
DRM_ERROR("Cannot create /proc/dri/.../%s\n",
i915_gem_proc_list[i].name);
for (j = 0; j < i; j++)
remove_proc_entry(i915_gem_proc_list[i].name,
minor->dev_root);
return -1;
}
ent->read_proc = i915_gem_proc_list[i].f;
ent->data = minor;
}
return 0;
}
void i915_gem_proc_cleanup(struct drm_minor *minor)
{
int i;
if (!minor->dev_root)
return;
for (i = 0; i < I915_GEM_PROC_ENTRIES; i++)
remove_proc_entry(i915_gem_proc_list[i].name, minor->dev_root);
}
void
i915_gem_lastclose(struct drm_device *dev)
{

13
shared-core/i915_drv.h
View File

@ -289,6 +289,16 @@ typedef struct drm_i915_private {
uint32_t next_gem_seqno;
/**
* Waiting sequence number, if any
*/
uint32_t waiting_gem_seqno;
/**
* Last seq seen at irq time
*/
uint32_t irq_gem_seqno;
/**
* Flag if the X Server, and thus DRM, is not currently in
* control of the device.
@ -499,11 +509,14 @@ int i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int i915_gem_leavevt_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int i915_gem_proc_init(struct drm_minor *minor);
void i915_gem_proc_cleanup(struct drm_minor *minor);
int i915_gem_init_object(struct drm_gem_object *obj);
void i915_gem_free_object(struct drm_gem_object *obj);
int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment);
void i915_gem_object_unpin(struct drm_gem_object *obj);
void i915_gem_lastclose(struct drm_device *dev);
uint32_t i915_get_gem_seqno(struct drm_device *dev);
void i915_gem_retire_requests(struct drm_device *dev);
void i915_gem_retire_work_handler(struct work_struct *work);
#endif

1
shared-core/i915_irq.c
View File

@ -489,6 +489,7 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
if (iir & I915_USER_INTERRUPT) {
dev_priv->mm.irq_gem_seqno = i915_get_gem_seqno(dev);
DRM_WAKEUP(&dev_priv->irq_queue);
#ifdef I915_HAVE_FENCE
i915_fence_handler(dev);