dect/linux-2.6
Archived
14
0
Fork 0
Code Releases Activity

drm: update drm_memory_debug.h

Browse source 
Update from DRM CVS for drm memory debug

From: Jon Smirl <jonsmirl@gmail.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
Dave Airlie 2006-01-02 19:52:09 +11:00 committed by Dave Airlie
parent 1e7d51902a
commit f0c408b564
1 changed files with 134 additions and 135 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

269
drivers/char/drm/drm_memory_debug.h
View file

@ -1,5 +1,5 @@
/**
* \file drm_memory.h
* \file drm_memory_debug.h
* Memory management wrappers for DRM.
*
* \author Rickard E. (Rik) Faith <faith@valinux.com>
@ -43,42 +43,41 @@ typedef struct drm_mem_stats {
unsigned long bytes_freed;
} drm_mem_stats_t;
static DEFINE_SPINLOCK(DRM(mem_lock));
static unsigned long DRM(ram_available) = 0; /* In pages */
static unsigned long DRM(ram_used) = 0;
static drm_mem_stats_t DRM(mem_stats)[] =
static spinlock_t drm_mem_lock = SPIN_LOCK_UNLOCKED;
static unsigned long drm_ram_available = 0; /* In pages */
static unsigned long drm_ram_used = 0;
static drm_mem_stats_t drm_mem_stats[] =
{
[DRM_MEM_DMA] = {
"dmabufs"},[DRM_MEM_SAREA] = {
"sareas"},[DRM_MEM_DRIVER] = {
"driver"},[DRM_MEM_MAGIC] = {
"magic"},[DRM_MEM_IOCTLS] = {
"ioctltab"},[DRM_MEM_MAPS] = {
"maplist"},[DRM_MEM_VMAS] = {
"vmalist"},[DRM_MEM_BUFS] = {
"buflist"},[DRM_MEM_SEGS] = {
"seglist"},[DRM_MEM_PAGES] = {
"pagelist"},[DRM_MEM_FILES] = {
"files"},[DRM_MEM_QUEUES] = {
"queues"},[DRM_MEM_CMDS] = {
"commands"},[DRM_MEM_MAPPINGS] = {
"mappings"},[DRM_MEM_BUFLISTS] = {
"buflists"},[DRM_MEM_AGPLISTS] = {
"agplist"},[DRM_MEM_SGLISTS] = {
"sglist"},[DRM_MEM_TOTALAGP] = {
"totalagp"},[DRM_MEM_BOUNDAGP] = {
"boundagp"},[DRM_MEM_CTXBITMAP] = {
"ctxbitmap"},[DRM_MEM_CTXLIST] = {
"ctxlist"},[DRM_MEM_STUB] = {
"stub"}, {
NULL, 0,} /* Last entry must be null */
[DRM_MEM_DMA] = {"dmabufs"},
[DRM_MEM_SAREA] = {"sareas"},
[DRM_MEM_DRIVER] = {"driver"},
[DRM_MEM_MAGIC] = {"magic"},
[DRM_MEM_IOCTLS] = {"ioctltab"},
[DRM_MEM_MAPS] = {"maplist"},
[DRM_MEM_VMAS] = {"vmalist"},
[DRM_MEM_BUFS] = {"buflist"},
[DRM_MEM_SEGS] = {"seglist"},
[DRM_MEM_PAGES] = {"pagelist"},
[DRM_MEM_FILES] = {"files"},
[DRM_MEM_QUEUES] = {"queues"},
[DRM_MEM_CMDS] = {"commands"},
[DRM_MEM_MAPPINGS] = {"mappings"},
[DRM_MEM_BUFLISTS] = {"buflists"},
[DRM_MEM_AGPLISTS] = {"agplist"},
[DRM_MEM_SGLISTS] = {"sglist"},
[DRM_MEM_TOTALAGP] = {"totalagp"},
[DRM_MEM_BOUNDAGP] = {"boundagp"},
[DRM_MEM_CTXBITMAP] = {"ctxbitmap"},
[DRM_MEM_CTXLIST] = {"ctxlist"},
[DRM_MEM_STUB] = {"stub"},
{NULL, 0,} /* Last entry must be null */
};
void DRM(mem_init) (void) {
void drm_mem_init (void) {
drm_mem_stats_t *mem;
struct sysinfo si;
for (mem = DRM(mem_stats); mem->name; ++mem) {
for (mem = drm_mem_stats; mem->name; ++mem) {
mem->succeed_count = 0;
mem->free_count = 0;
mem->fail_count = 0;
@ -87,13 +86,13 @@ void DRM(mem_init) (void) {
}
si_meminfo(&si);
DRM(ram_available) = si.totalram;
DRM(ram_used) = 0;
drm_ram_available = si.totalram;
drm_ram_used = 0;
}
/* drm_mem_info is called whenever a process reads /dev/drm/mem. */
static int DRM(_mem_info) (char *buf, char **start, off_t offset,
static int drm__mem_info (char *buf, char **start, off_t offset,
int request, int *eof, void *data) {
drm_mem_stats_t *pt;
int len = 0;
@ -112,11 +111,11 @@ static int DRM(_mem_info) (char *buf, char **start, off_t offset,
" | allocs bytes\n\n");
DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB |\n",
"system", 0, 0, 0,
DRM(ram_available) << (PAGE_SHIFT - 10));
drm_ram_available << (PAGE_SHIFT - 10));
DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB |\n",
"locked", 0, 0, 0, DRM(ram_used) >> 10);
"locked", 0, 0, 0, drm_ram_used >> 10);
DRM_PROC_PRINT("\n");
for (pt = DRM(mem_stats); pt->name; pt++) {
for (pt = drm_mem_stats; pt->name; pt++) {
DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu %10lu | %6d %10ld\n",
pt->name,
pt->succeed_count,
@ -135,17 +134,17 @@ static int DRM(_mem_info) (char *buf, char **start, off_t offset,
return len - offset;
}
int DRM(mem_info) (char *buf, char **start, off_t offset,
int drm_mem_info (char *buf, char **start, off_t offset,
int len, int *eof, void *data) {
int ret;
spin_lock(&DRM(mem_lock));
ret = DRM(_mem_info) (buf, start, offset, len, eof, data);
spin_unlock(&DRM(mem_lock));
spin_lock(&drm_mem_lock);
ret = drm__mem_info (buf, start, offset, len, eof, data);
spin_unlock(&drm_mem_lock);
return ret;
}
void *DRM(alloc) (size_t size, int area) {
void *drm_alloc (size_t size, int area) {
void *pt;
if (!size) {
@ -154,41 +153,41 @@ void *DRM(alloc) (size_t size, int area) {
}
if (!(pt = kmalloc(size, GFP_KERNEL))) {
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[area].fail_count;
spin_unlock(&DRM(mem_lock));
spin_lock(&drm_mem_lock);
++drm_mem_stats[area].fail_count;
spin_unlock(&drm_mem_lock);
return NULL;
}
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[area].succeed_count;
DRM(mem_stats)[area].bytes_allocated += size;
spin_unlock(&DRM(mem_lock));
spin_lock(&drm_mem_lock);
++drm_mem_stats[area].succeed_count;
drm_mem_stats[area].bytes_allocated += size;
spin_unlock(&drm_mem_lock);
return pt;
}
void *DRM(calloc) (size_t nmemb, size_t size, int area) {
void *drm_calloc (size_t nmemb, size_t size, int area) {
void *addr;
addr = DRM(alloc) (nmemb * size, area);
addr = drm_alloc (nmemb * size, area);
if (addr != NULL)
memset((void *)addr, 0, size * nmemb);
return addr;
}
void *DRM(realloc) (void *oldpt, size_t oldsize, size_t size, int area) {
void *drm_realloc (void *oldpt, size_t oldsize, size_t size, int area) {
void *pt;
if (!(pt = DRM(alloc) (size, area)))
if (!(pt = drm_alloc (size, area)))
return NULL;
if (oldpt && oldsize) {
memcpy(pt, oldpt, oldsize);
DRM(free) (oldpt, oldsize, area);
drm_free (oldpt, oldsize, area);
}
return pt;
}
void DRM(free) (void *pt, size_t size, int area) {
void drm_free (void *pt, size_t size, int area) {
int alloc_count;
int free_count;
@ -196,43 +195,43 @@ void DRM(free) (void *pt, size_t size, int area) {
DRM_MEM_ERROR(area, "Attempt to free NULL pointer\n");
else
kfree(pt);
spin_lock(&DRM(mem_lock));
DRM(mem_stats)[area].bytes_freed += size;
free_count = ++DRM(mem_stats)[area].free_count;
alloc_count = DRM(mem_stats)[area].succeed_count;
spin_unlock(&DRM(mem_lock));
spin_lock(&drm_mem_lock);
drm_mem_stats[area].bytes_freed += size;
free_count = ++drm_mem_stats[area].free_count;
alloc_count = drm_mem_stats[area].succeed_count;
spin_unlock(&drm_mem_lock);
if (free_count > alloc_count) {
DRM_MEM_ERROR(area, "Excess frees: %d frees, %d allocs\n",
free_count, alloc_count);
}
}
unsigned long DRM(alloc_pages) (int order, int area) {
unsigned long drm_alloc_pages (int order, int area) {
unsigned long address;
unsigned long bytes = PAGE_SIZE << order;
unsigned long addr;
unsigned int sz;
spin_lock(&DRM(mem_lock));
if ((DRM(ram_used) >> PAGE_SHIFT)
> (DRM_RAM_PERCENT * DRM(ram_available)) / 100) {
spin_unlock(&DRM(mem_lock));
spin_lock(&drm_mem_lock);
if ((drm_ram_used >> PAGE_SHIFT)
> (DRM_RAM_PERCENT * drm_ram_available) / 100) {
spin_unlock(&drm_mem_lock);
return 0;
}
spin_unlock(&DRM(mem_lock));
spin_unlock(&drm_mem_lock);
address = __get_free_pages(GFP_KERNEL, order);
if (!address) {
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[area].fail_count;
spin_unlock(&DRM(mem_lock));
spin_lock(&drm_mem_lock);
++drm_mem_stats[area].fail_count;
spin_unlock(&drm_mem_lock);
return 0;
}
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[area].succeed_count;
DRM(mem_stats)[area].bytes_allocated += bytes;
DRM(ram_used) += bytes;
spin_unlock(&DRM(mem_lock));
spin_lock(&drm_mem_lock);
++drm_mem_stats[area].succeed_count;
drm_mem_stats[area].bytes_allocated += bytes;
drm_ram_used += bytes;
spin_unlock(&drm_mem_lock);
/* Zero outside the lock */
memset((void *)address, 0, bytes);
@ -246,7 +245,7 @@ unsigned long DRM(alloc_pages) (int order, int area) {
return address;
}
void DRM(free_pages) (unsigned long address, int order, int area) {
void drm_free_pages (unsigned long address, int order, int area) {
unsigned long bytes = PAGE_SIZE << order;
int alloc_count;
int free_count;
@ -264,12 +263,12 @@ void DRM(free_pages) (unsigned long address, int order, int area) {
free_pages(address, order);
}
spin_lock(&DRM(mem_lock));
free_count = ++DRM(mem_stats)[area].free_count;
alloc_count = DRM(mem_stats)[area].succeed_count;
DRM(mem_stats)[area].bytes_freed += bytes;
DRM(ram_used) -= bytes;
spin_unlock(&DRM(mem_lock));
spin_lock(&drm_mem_lock);
free_count = ++drm_mem_stats[area].free_count;
alloc_count = drm_mem_stats[area].succeed_count;
drm_mem_stats[area].bytes_freed += bytes;
drm_ram_used -= bytes;
spin_unlock(&drm_mem_lock);
if (free_count > alloc_count) {
DRM_MEM_ERROR(area,
"Excess frees: %d frees, %d allocs\n",
@ -277,7 +276,7 @@ void DRM(free_pages) (unsigned long address, int order, int area) {
}
}
void *DRM(ioremap) (unsigned long offset, unsigned long size,
void *drm_ioremap (unsigned long offset, unsigned long size,
drm_device_t * dev) {
void *pt;
@ -288,19 +287,19 @@ void *DRM(ioremap) (unsigned long offset, unsigned long size,
}
if (!(pt = drm_ioremap(offset, size, dev))) {
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_MAPPINGS].fail_count;
spin_unlock(&DRM(mem_lock));
spin_lock(&drm_mem_lock);
++drm_mem_stats[DRM_MEM_MAPPINGS].fail_count;
spin_unlock(&drm_mem_lock);
return NULL;
}
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count;
DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_allocated += size;
spin_unlock(&DRM(mem_lock));
spin_lock(&drm_mem_lock);
++drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count;
drm_mem_stats[DRM_MEM_MAPPINGS].bytes_allocated += size;
spin_unlock(&drm_mem_lock);
return pt;
}
void *DRM(ioremap_nocache) (unsigned long offset, unsigned long size,
void *drm_ioremap_nocache (unsigned long offset, unsigned long size,
drm_device_t * dev) {
void *pt;
@ -311,19 +310,19 @@ void *DRM(ioremap_nocache) (unsigned long offset, unsigned long size,
}
if (!(pt = drm_ioremap_nocache(offset, size, dev))) {
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_MAPPINGS].fail_count;
spin_unlock(&DRM(mem_lock));
spin_lock(&drm_mem_lock);
++drm_mem_stats[DRM_MEM_MAPPINGS].fail_count;
spin_unlock(&drm_mem_lock);
return NULL;
}
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count;
DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_allocated += size;
spin_unlock(&DRM(mem_lock));
spin_lock(&drm_mem_lock);
++drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count;
drm_mem_stats[DRM_MEM_MAPPINGS].bytes_allocated += size;
spin_unlock(&drm_mem_lock);
return pt;
}
void DRM(ioremapfree) (void *pt, unsigned long size, drm_device_t * dev) {
void drm_ioremapfree (void *pt, unsigned long size, drm_device_t * dev) {
int alloc_count;
int free_count;
@ -333,11 +332,11 @@ void DRM(ioremapfree) (void *pt, unsigned long size, drm_device_t * dev) {
else
drm_ioremapfree(pt, size, dev);
spin_lock(&DRM(mem_lock));
DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_freed += size;
free_count = ++DRM(mem_stats)[DRM_MEM_MAPPINGS].free_count;
alloc_count = DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count;
spin_unlock(&DRM(mem_lock));
spin_lock(&drm_mem_lock);
drm_mem_stats[DRM_MEM_MAPPINGS].bytes_freed += size;
free_count = ++drm_mem_stats[DRM_MEM_MAPPINGS].free_count;
alloc_count = drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count;
spin_unlock(&drm_mem_lock);
if (free_count > alloc_count) {
DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
"Excess frees: %d frees, %d allocs\n",
@ -347,7 +346,7 @@ void DRM(ioremapfree) (void *pt, unsigned long size, drm_device_t * dev) {
#if __OS_HAS_AGP
DRM_AGP_MEM *DRM(alloc_agp) (int pages, u32 type) {
DRM_AGP_MEM *drm_alloc_agp (drm_device_t *dev, int pages, u32 type) {
DRM_AGP_MEM *handle;
if (!pages) {
@ -355,21 +354,21 @@ DRM_AGP_MEM *DRM(alloc_agp) (int pages, u32 type) {
return NULL;
}
if ((handle = DRM(agp_allocate_memory) (pages, type))) {
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_TOTALAGP].succeed_count;
DRM(mem_stats)[DRM_MEM_TOTALAGP].bytes_allocated
if ((handle = drm_agp_allocate_memory (pages, type))) {
spin_lock(&drm_mem_lock);
++drm_mem_stats[DRM_MEM_TOTALAGP].succeed_count;
drm_mem_stats[DRM_MEM_TOTALAGP].bytes_allocated
+= pages << PAGE_SHIFT;
spin_unlock(&DRM(mem_lock));
spin_unlock(&drm_mem_lock);
return handle;
}
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_TOTALAGP].fail_count;
spin_unlock(&DRM(mem_lock));
spin_lock(&drm_mem_lock);
++drm_mem_stats[DRM_MEM_TOTALAGP].fail_count;
spin_unlock(&drm_mem_lock);
return NULL;
}
int DRM(free_agp) (DRM_AGP_MEM * handle, int pages) {
int drm_free_agp (DRM_AGP_MEM * handle, int pages) {
int alloc_count;
int free_count;
int retval = -EINVAL;
@ -380,13 +379,13 @@ int DRM(free_agp) (DRM_AGP_MEM * handle, int pages) {
return retval;
}
if (DRM(agp_free_memory) (handle)) {
spin_lock(&DRM(mem_lock));
free_count = ++DRM(mem_stats)[DRM_MEM_TOTALAGP].free_count;
alloc_count = DRM(mem_stats)[DRM_MEM_TOTALAGP].succeed_count;
DRM(mem_stats)[DRM_MEM_TOTALAGP].bytes_freed
if (drm_agp_free_memory (handle)) {
spin_lock(&drm_mem_lock);
free_count = ++drm_mem_stats[DRM_MEM_TOTALAGP].free_count;
alloc_count = drm_mem_stats[DRM_MEM_TOTALAGP].succeed_count;
drm_mem_stats[DRM_MEM_TOTALAGP].bytes_freed
+= pages << PAGE_SHIFT;
spin_unlock(&DRM(mem_lock));
spin_unlock(&drm_mem_lock);
if (free_count > alloc_count) {
DRM_MEM_ERROR(DRM_MEM_TOTALAGP,
"Excess frees: %d frees, %d allocs\n",
@ -397,7 +396,7 @@ int DRM(free_agp) (DRM_AGP_MEM * handle, int pages) {
return retval;
}
int DRM(bind_agp) (DRM_AGP_MEM * handle, unsigned int start) {
int drm_bind_agp (DRM_AGP_MEM * handle, unsigned int start) {
int retcode = -EINVAL;
if (!handle) {
@ -406,21 +405,21 @@ int DRM(bind_agp) (DRM_AGP_MEM * handle, unsigned int start) {
return retcode;
}
if (!(retcode = DRM(agp_bind_memory) (handle, start))) {
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_BOUNDAGP].succeed_count;
DRM(mem_stats)[DRM_MEM_BOUNDAGP].bytes_allocated
if (!(retcode = drm_agp_bind_memory (handle, start))) {
spin_lock(&drm_mem_lock);
++drm_mem_stats[DRM_MEM_BOUNDAGP].succeed_count;
drm_mem_stats[DRM_MEM_BOUNDAGP].bytes_allocated
+= handle->page_count << PAGE_SHIFT;
spin_unlock(&DRM(mem_lock));
spin_unlock(&drm_mem_lock);
return retcode;
}
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_BOUNDAGP].fail_count;
spin_unlock(&DRM(mem_lock));
spin_lock(&drm_mem_lock);
++drm_mem_stats[DRM_MEM_BOUNDAGP].fail_count;
spin_unlock(&drm_mem_lock);
return retcode;
}
int DRM(unbind_agp) (DRM_AGP_MEM * handle) {
int drm_unbind_agp (DRM_AGP_MEM * handle) {
int alloc_count;
int free_count;
int retcode = -EINVAL;
@ -431,14 +430,14 @@ int DRM(unbind_agp) (DRM_AGP_MEM * handle) {
return retcode;
}
if ((retcode = DRM(agp_unbind_memory) (handle)))
if ((retcode = drm_agp_unbind_memory (handle)))
return retcode;
spin_lock(&DRM(mem_lock));
free_count = ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].free_count;
alloc_count = DRM(mem_stats)[DRM_MEM_BOUNDAGP].succeed_count;
DRM(mem_stats)[DRM_MEM_BOUNDAGP].bytes_freed
spin_lock(&drm_mem_lock);
free_count = ++drm_mem_stats[DRM_MEM_BOUNDAGP].free_count;
alloc_count = drm_mem_stats[DRM_MEM_BOUNDAGP].succeed_count;
drm_mem_stats[DRM_MEM_BOUNDAGP].bytes_freed
+= handle->page_count << PAGE_SHIFT;
spin_unlock(&DRM(mem_lock));
spin_unlock(&drm_mem_lock);
if (free_count > alloc_count) {
DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
"Excess frees: %d frees, %d allocs\n",