#ifndef __HAVE_DMA_FREELIST
#define __HAVE_DMA_FREELIST 0
#endif
-#ifndef __HAVE_DMA_HISTOGRAM
-#define __HAVE_DMA_HISTOGRAM 0
-#endif
#define DRM_DEBUG_CODE 0 /* Include debugging code (if > 1, then
also include looping detection. */
DRM_LIST_RECLAIM = 5
} list; /* Which list we're on */
-#if DRM_DMA_HISTOGRAM
- cycles_t time_queued; /* Queued to kernel DMA queue */
- cycles_t time_dispatched; /* Dispatched to hardware */
- cycles_t time_completed; /* Completed by hardware */
- cycles_t time_freed; /* Back on freelist */
-#endif
-
int dev_priv_size; /* Size of buffer private stoarge */
void *dev_private; /* Per-buffer private storage */
} drm_buf_t;
-#if DRM_DMA_HISTOGRAM
-#define DRM_DMA_HISTOGRAM_SLOTS 9
-#define DRM_DMA_HISTOGRAM_INITIAL 10
-#define DRM_DMA_HISTOGRAM_NEXT(current) ((current)*10)
-typedef struct drm_histogram {
- atomic_t total;
-
- atomic_t queued_to_dispatched[DRM_DMA_HISTOGRAM_SLOTS];
- atomic_t dispatched_to_completed[DRM_DMA_HISTOGRAM_SLOTS];
- atomic_t completed_to_freed[DRM_DMA_HISTOGRAM_SLOTS];
-
- atomic_t queued_to_completed[DRM_DMA_HISTOGRAM_SLOTS];
- atomic_t queued_to_freed[DRM_DMA_HISTOGRAM_SLOTS];
-
- atomic_t dma[DRM_DMA_HISTOGRAM_SLOTS];
- atomic_t schedule[DRM_DMA_HISTOGRAM_SLOTS];
- atomic_t ctx[DRM_DMA_HISTOGRAM_SLOTS];
- atomic_t lacq[DRM_DMA_HISTOGRAM_SLOTS];
- atomic_t lhld[DRM_DMA_HISTOGRAM_SLOTS];
-} drm_histogram_t;
-#endif
-
/* bufs is one longer than it has to be */
typedef struct drm_waitlist {
int count; /* Number of possible buffers */
DRM_SPINTYPE vbl_lock;
#endif
#endif
- cycles_t ctx_start;
- cycles_t lck_start;
-#if __HAVE_DMA_HISTOGRAM
- drm_histogram_t histo;
-#endif
#ifdef __FreeBSD__
struct sigio *buf_sigio; /* Processes waiting for SIGIO */
extern void DRM(dma_immediate_bh)( DRM_TASKQUEUE_ARGS );
#endif
#endif
-#if DRM_DMA_HISTOGRAM
-extern int DRM(histogram_slot)(unsigned long count);
-extern void DRM(histogram_compute)(drm_device_t *dev, drm_buf_t *buf);
-#endif
/* Buffer list support (drm_lists.h) */
#if __HAVE_DMA_WAITLIST
}
memset( buf->dev_private, 0, buf->dev_priv_size );
-#if __HAVE_DMA_HISTOGRAM
- buf->time_queued = 0;
- buf->time_dispatched = 0;
- buf->time_completed = 0;
- buf->time_freed = 0;
-#endif
-
offset += alignment;
entry->buf_count++;
byte_count += PAGE_SIZE << page_order;
buf->pending = 0;
buf->dma_wait = 0;
buf->filp = NULL;
-#if __HAVE_DMA_HISTOGRAM
- buf->time_queued = 0;
- buf->time_dispatched = 0;
- buf->time_completed = 0;
- buf->time_freed = 0;
-#endif
DRM_DEBUG( "buffer %d @ %p\n",
entry->buf_count, buf->address );
}
memset( buf->dev_private, 0, buf->dev_priv_size );
-# if __HAVE_DMA_HISTOGRAM
- buf->time_queued = 0;
- buf->time_dispatched = 0;
- buf->time_completed = 0;
- buf->time_freed = 0;
-# endif
DRM_DEBUG( "buffer %d @ %p\n",
entry->buf_count, buf->address );
return DRM_ERR(EBUSY);
}
-#if __HAVE_DMA_HISTOGRAM
- dev->ctx_start = get_cycles();
-#endif
-
DRM_DEBUG( "Context switch from %d to %d\n", old, new );
if ( new == dev->last_context ) {
/* If a context switch is ever initiated
when the kernel holds the lock, release
that lock here. */
-#if __HAVE_DMA_HISTOGRAM
- atomic_inc( &dev->histo.ctx[DRM(histogram_slot)(get_cycles()
- - dev->ctx_start)] );
-
-#endif
clear_bit( 0, &dev->context_flag );
DRM_WAKEUP( (void *)&dev->context_wait );
return DRM_ERR(EBUSY);
}
-#if __HAVE_DMA_HISTOGRAM
- dev->ctx_start = get_cycles();
-#endif
-
DRM_DEBUG("Context switch from %d to %d\n", old, new);
if (new >= dev->queue_count) {
}
}
-#if __HAVE_DMA_HISTOGRAM
- atomic_inc(&dev->histo.ctx[DRM(histogram_slot)(get_cycles()
- - dev->ctx_start)]);
-
-#endif
clear_bit(0, &dev->context_flag);
DRM_WAKEUP_INT(&dev->context_wait);
}
-#if __HAVE_DMA_HISTOGRAM
-/* This is slow, but is useful for debugging. */
-int DRM(histogram_slot)(unsigned long count)
-{
- int value = DRM_DMA_HISTOGRAM_INITIAL;
- int slot;
-
- for (slot = 0;
- slot < DRM_DMA_HISTOGRAM_SLOTS;
- ++slot, value = DRM_DMA_HISTOGRAM_NEXT(value)) {
- if (count < value) return slot;
- }
- return DRM_DMA_HISTOGRAM_SLOTS - 1;
-}
-
-void DRM(histogram_compute)(drm_device_t *dev, drm_buf_t *buf)
-{
- cycles_t queued_to_dispatched;
- cycles_t dispatched_to_completed;
- cycles_t completed_to_freed;
- int q2d, d2c, c2f, q2c, q2f;
-
- if (buf->time_queued) {
- queued_to_dispatched = (buf->time_dispatched
- - buf->time_queued);
- dispatched_to_completed = (buf->time_completed
- - buf->time_dispatched);
- completed_to_freed = (buf->time_freed
- - buf->time_completed);
-
- q2d = DRM(histogram_slot)(queued_to_dispatched);
- d2c = DRM(histogram_slot)(dispatched_to_completed);
- c2f = DRM(histogram_slot)(completed_to_freed);
-
- q2c = DRM(histogram_slot)(queued_to_dispatched
- + dispatched_to_completed);
- q2f = DRM(histogram_slot)(queued_to_dispatched
- + dispatched_to_completed
- + completed_to_freed);
-
- atomic_inc(&dev->histo.total);
- atomic_inc(&dev->histo.queued_to_dispatched[q2d]);
- atomic_inc(&dev->histo.dispatched_to_completed[d2c]);
- atomic_inc(&dev->histo.completed_to_freed[c2f]);
-
- atomic_inc(&dev->histo.queued_to_completed[q2c]);
- atomic_inc(&dev->histo.queued_to_freed[q2f]);
-
- }
- buf->time_queued = 0;
- buf->time_dispatched = 0;
- buf->time_completed = 0;
- buf->time_freed = 0;
-}
-#endif
-
void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf)
{
if (!buf) return;
buf->pending = 0;
buf->filp = NULL;
buf->used = 0;
-#if __HAVE_DMA_HISTOGRAM
- buf->time_completed = get_cycles();
-#endif
if ( buf->dma_wait ) {
wakeup( (void *)&buf->dma_wait );
#endif
dev->context_wait = 0;
- dev->ctx_start = 0;
- dev->lck_start = 0;
-
#ifdef __FreeBSD__
dev->buf_sigio = NULL;
#elif defined(__NetBSD__)
#if __HAVE_MULTIPLE_DMA_QUEUES
drm_queue_t *q;
#endif
-#if __HAVE_DMA_HISTOGRAM
- cycles_t start;
-
- dev->lck_start = start = get_cycles();
-#endif
DRM_COPY_FROM_USER_IOCTL( lock, (drm_lock_t *)data, sizeof(lock) );
DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" );
-#if __HAVE_DMA_HISTOGRAM
- atomic_inc(&dev->histo.lacq[DRM(histogram_slot)(get_cycles()-start)]);
-#endif
-
return DRM_ERR(ret);
}
typedef unsigned long dma_addr_t;
typedef u_int32_t atomic_t;
-typedef u_int32_t cycles_t;
typedef u_int32_t u32;
typedef u_int16_t u16;
typedef u_int8_t u8;
typedef u_int32_t dma_addr_t;
typedef volatile long atomic_t;
-typedef u_int32_t cycles_t;
typedef u_int32_t u32;
typedef u_int16_t u16;
typedef u_int8_t u8;
static int DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS;
static int DRM(queues_info)DRM_SYSCTL_HANDLER_ARGS;
static int DRM(bufs_info)DRM_SYSCTL_HANDLER_ARGS;
-#if DRM_DMA_HISTOGRAM
-static int DRM(histo_info)DRM_SYSCTL_HANDLER_ARGS;
-#endif
struct DRM(sysctl_list) {
const char *name;
{ "clients", DRM(clients_info) },
{ "queues", DRM(queues_info) },
{ "bufs", DRM(bufs_info) },
-#if DRM_DMA_HISTOGRAM
- { "histo", drm_histo_info) },
-#endif
};
#define DRM_SYSCTL_ENTRIES (sizeof(DRM(sysctl_list))/sizeof(DRM(sysctl_list)[0]))
}
-#if DRM_DMA_HISTOGRAM
-static int DRM(_histo_info)DRM_SYSCTL_HANDLER_ARGS
-{
- drm_device_t *dev = arg1;
- drm_device_dma_t *dma = dev->dma;
- int i;
- unsigned long slot_value = DRM_DMA_HISTOGRAM_INITIAL;
- unsigned long prev_value = 0;
- drm_buf_t *buffer;
- char buf[128];
- int error;
-
- DRM_SYSCTL_PRINT("general statistics:\n");
- DRM_SYSCTL_PRINT("total %10u\n", atomic_read(&dev->histo.total));
- DRM_SYSCTL_PRINT("open %10u\n", atomic_read(&dev->total_open));
- DRM_SYSCTL_PRINT("close %10u\n", atomic_read(&dev->total_close));
- DRM_SYSCTL_PRINT("ioctl %10u\n", atomic_read(&dev->total_ioctl));
- DRM_SYSCTL_PRINT("irq %10u\n", atomic_read(&dev->total_irq));
- DRM_SYSCTL_PRINT("ctx %10u\n", atomic_read(&dev->total_ctx));
-
- DRM_SYSCTL_PRINT("\nlock statistics:\n");
- DRM_SYSCTL_PRINT("locks %10u\n", atomic_read(&dev->total_locks));
- DRM_SYSCTL_PRINT("unlocks %10u\n", atomic_read(&dev->total_unlocks));
- DRM_SYSCTL_PRINT("contends %10u\n", atomic_read(&dev->total_contends));
- DRM_SYSCTL_PRINT("sleeps %10u\n", atomic_read(&dev->total_sleeps));
-
-
- if (dma) {
- DRM_SYSCTL_PRINT("\ndma statistics:\n");
- DRM_SYSCTL_PRINT("prio %10u\n",
- atomic_read(&dma->total_prio));
- DRM_SYSCTL_PRINT("bytes %10u\n",
- atomic_read(&dma->total_bytes));
- DRM_SYSCTL_PRINT("dmas %10u\n",
- atomic_read(&dma->total_dmas));
- DRM_SYSCTL_PRINT("missed:\n");
- DRM_SYSCTL_PRINT(" dma %10u\n",
- atomic_read(&dma->total_missed_dma));
- DRM_SYSCTL_PRINT(" lock %10u\n",
- atomic_read(&dma->total_missed_lock));
- DRM_SYSCTL_PRINT(" free %10u\n",
- atomic_read(&dma->total_missed_free));
- DRM_SYSCTL_PRINT(" sched %10u\n",
- atomic_read(&dma->total_missed_sched));
- DRM_SYSCTL_PRINT("tried %10u\n",
- atomic_read(&dma->total_tried));
- DRM_SYSCTL_PRINT("hit %10u\n",
- atomic_read(&dma->total_hit));
- DRM_SYSCTL_PRINT("lost %10u\n",
- atomic_read(&dma->total_lost));
-
- buffer = dma->next_buffer;
- if (buffer) {
- DRM_SYSCTL_PRINT("next_buffer %7d\n", buffer->idx);
- } else {
- DRM_SYSCTL_PRINT("next_buffer none\n");
- }
- buffer = dma->this_buffer;
- if (buffer) {
- DRM_SYSCTL_PRINT("this_buffer %7d\n", buffer->idx);
- } else {
- DRM_SYSCTL_PRINT("this_buffer none\n");
- }
- }
-
-
- DRM_SYSCTL_PRINT("\nvalues:\n");
- if (dev->lock.hw_lock) {
- DRM_SYSCTL_PRINT("lock 0x%08x\n",
- dev->lock.hw_lock->lock);
- } else {
- DRM_SYSCTL_PRINT("lock none\n");
- }
- DRM_SYSCTL_PRINT("context_flag 0x%08x\n", dev->context_flag);
- DRM_SYSCTL_PRINT("interrupt_flag 0x%08x\n", dev->interrupt_flag);
- DRM_SYSCTL_PRINT("dma_flag 0x%08x\n", dev->dma_flag);
-
- DRM_SYSCTL_PRINT("queue_count %10d\n", dev->queue_count);
- DRM_SYSCTL_PRINT("last_context %10d\n", dev->last_context);
- DRM_SYSCTL_PRINT("last_switch %10u\n", dev->last_switch);
- DRM_SYSCTL_PRINT("last_checked %10d\n", dev->last_checked);
-
-
- DRM_SYSCTL_PRINT("\n q2d d2c c2f"
- " q2c q2f dma sch"
- " ctx lacq lhld\n\n");
- for (i = 0; i < DRM_DMA_HISTOGRAM_SLOTS; i++) {
- DRM_SYSCTL_PRINT("%s %10lu %10u %10u %10u %10u %10u"
- " %10u %10u %10u %10u %10u\n",
- i == DRM_DMA_HISTOGRAM_SLOTS - 1 ? ">=" : "< ",
- i == DRM_DMA_HISTOGRAM_SLOTS - 1
- ? prev_value : slot_value ,
-
- atomic_read(&dev->histo
- .queued_to_dispatched[i]),
- atomic_read(&dev->histo
- .dispatched_to_completed[i]),
- atomic_read(&dev->histo
- .completed_to_freed[i]),
-
- atomic_read(&dev->histo
- .queued_to_completed[i]),
- atomic_read(&dev->histo
- .queued_to_freed[i]),
- atomic_read(&dev->histo.dma[i]),
- atomic_read(&dev->histo.schedule[i]),
- atomic_read(&dev->histo.ctx[i]),
- atomic_read(&dev->histo.lacq[i]),
- atomic_read(&dev->histo.lhld[i]));
- prev_value = slot_value;
- slot_value = DRM_DMA_HISTOGRAM_NEXT(slot_value);
- }
- SYSCTL_OUT(req, "", 1);
- return 0;
-}
-
-static int DRM(histo_info)DRM_SYSCTL_HANDLER_ARGS
-{
- drm_device_t *dev = arg1;
- int ret;
-
- DRM_LOCK;
- ret = _drm_histo_info(oidp, arg1, arg2, req);
- DRM_UNLOCK;
- return ret;
-}
-#endif
-
#elif defined(__NetBSD__)
/* stub it out for now, sysctl is only for debugging */
int DRM(sysctl_init)(drm_device_t *dev)
#ifndef __HAVE_DMA_FREELIST
#define __HAVE_DMA_FREELIST 0
#endif
-#ifndef __HAVE_DMA_HISTOGRAM
-#define __HAVE_DMA_HISTOGRAM 0
-#endif
#define DRM_DEBUG_CODE 0 /* Include debugging code (if > 1, then
also include looping detection. */
DRM_LIST_RECLAIM = 5
} list; /* Which list we're on */
-#if DRM_DMA_HISTOGRAM
- cycles_t time_queued; /* Queued to kernel DMA queue */
- cycles_t time_dispatched; /* Dispatched to hardware */
- cycles_t time_completed; /* Completed by hardware */
- cycles_t time_freed; /* Back on freelist */
-#endif
-
int dev_priv_size; /* Size of buffer private stoarge */
void *dev_private; /* Per-buffer private storage */
} drm_buf_t;
-#if DRM_DMA_HISTOGRAM
-#define DRM_DMA_HISTOGRAM_SLOTS 9
-#define DRM_DMA_HISTOGRAM_INITIAL 10
-#define DRM_DMA_HISTOGRAM_NEXT(current) ((current)*10)
-typedef struct drm_histogram {
- atomic_t total;
-
- atomic_t queued_to_dispatched[DRM_DMA_HISTOGRAM_SLOTS];
- atomic_t dispatched_to_completed[DRM_DMA_HISTOGRAM_SLOTS];
- atomic_t completed_to_freed[DRM_DMA_HISTOGRAM_SLOTS];
-
- atomic_t queued_to_completed[DRM_DMA_HISTOGRAM_SLOTS];
- atomic_t queued_to_freed[DRM_DMA_HISTOGRAM_SLOTS];
-
- atomic_t dma[DRM_DMA_HISTOGRAM_SLOTS];
- atomic_t schedule[DRM_DMA_HISTOGRAM_SLOTS];
- atomic_t ctx[DRM_DMA_HISTOGRAM_SLOTS];
- atomic_t lacq[DRM_DMA_HISTOGRAM_SLOTS];
- atomic_t lhld[DRM_DMA_HISTOGRAM_SLOTS];
-} drm_histogram_t;
-#endif
-
/* bufs is one longer than it has to be */
typedef struct drm_waitlist {
int count; /* Number of possible buffers */
DRM_SPINTYPE vbl_lock;
#endif
#endif
- cycles_t ctx_start;
- cycles_t lck_start;
-#if __HAVE_DMA_HISTOGRAM
- drm_histogram_t histo;
-#endif
#ifdef __FreeBSD__
struct sigio *buf_sigio; /* Processes waiting for SIGIO */
extern void DRM(dma_immediate_bh)( DRM_TASKQUEUE_ARGS );
#endif
#endif
-#if DRM_DMA_HISTOGRAM
-extern int DRM(histogram_slot)(unsigned long count);
-extern void DRM(histogram_compute)(drm_device_t *dev, drm_buf_t *buf);
-#endif
/* Buffer list support (drm_lists.h) */
#if __HAVE_DMA_WAITLIST
}
memset( buf->dev_private, 0, buf->dev_priv_size );
-#if __HAVE_DMA_HISTOGRAM
- buf->time_queued = 0;
- buf->time_dispatched = 0;
- buf->time_completed = 0;
- buf->time_freed = 0;
-#endif
-
offset += alignment;
entry->buf_count++;
byte_count += PAGE_SIZE << page_order;
buf->pending = 0;
buf->dma_wait = 0;
buf->filp = NULL;
-#if __HAVE_DMA_HISTOGRAM
- buf->time_queued = 0;
- buf->time_dispatched = 0;
- buf->time_completed = 0;
- buf->time_freed = 0;
-#endif
DRM_DEBUG( "buffer %d @ %p\n",
entry->buf_count, buf->address );
}
memset( buf->dev_private, 0, buf->dev_priv_size );
-# if __HAVE_DMA_HISTOGRAM
- buf->time_queued = 0;
- buf->time_dispatched = 0;
- buf->time_completed = 0;
- buf->time_freed = 0;
-# endif
DRM_DEBUG( "buffer %d @ %p\n",
entry->buf_count, buf->address );
return DRM_ERR(EBUSY);
}
-#if __HAVE_DMA_HISTOGRAM
- dev->ctx_start = get_cycles();
-#endif
-
DRM_DEBUG( "Context switch from %d to %d\n", old, new );
if ( new == dev->last_context ) {
/* If a context switch is ever initiated
when the kernel holds the lock, release
that lock here. */
-#if __HAVE_DMA_HISTOGRAM
- atomic_inc( &dev->histo.ctx[DRM(histogram_slot)(get_cycles()
- - dev->ctx_start)] );
-
-#endif
clear_bit( 0, &dev->context_flag );
DRM_WAKEUP( (void *)&dev->context_wait );
return DRM_ERR(EBUSY);
}
-#if __HAVE_DMA_HISTOGRAM
- dev->ctx_start = get_cycles();
-#endif
-
DRM_DEBUG("Context switch from %d to %d\n", old, new);
if (new >= dev->queue_count) {
}
}
-#if __HAVE_DMA_HISTOGRAM
- atomic_inc(&dev->histo.ctx[DRM(histogram_slot)(get_cycles()
- - dev->ctx_start)]);
-
-#endif
clear_bit(0, &dev->context_flag);
DRM_WAKEUP_INT(&dev->context_wait);
}
-#if __HAVE_DMA_HISTOGRAM
-/* This is slow, but is useful for debugging. */
-int DRM(histogram_slot)(unsigned long count)
-{
- int value = DRM_DMA_HISTOGRAM_INITIAL;
- int slot;
-
- for (slot = 0;
- slot < DRM_DMA_HISTOGRAM_SLOTS;
- ++slot, value = DRM_DMA_HISTOGRAM_NEXT(value)) {
- if (count < value) return slot;
- }
- return DRM_DMA_HISTOGRAM_SLOTS - 1;
-}
-
-void DRM(histogram_compute)(drm_device_t *dev, drm_buf_t *buf)
-{
- cycles_t queued_to_dispatched;
- cycles_t dispatched_to_completed;
- cycles_t completed_to_freed;
- int q2d, d2c, c2f, q2c, q2f;
-
- if (buf->time_queued) {
- queued_to_dispatched = (buf->time_dispatched
- - buf->time_queued);
- dispatched_to_completed = (buf->time_completed
- - buf->time_dispatched);
- completed_to_freed = (buf->time_freed
- - buf->time_completed);
-
- q2d = DRM(histogram_slot)(queued_to_dispatched);
- d2c = DRM(histogram_slot)(dispatched_to_completed);
- c2f = DRM(histogram_slot)(completed_to_freed);
-
- q2c = DRM(histogram_slot)(queued_to_dispatched
- + dispatched_to_completed);
- q2f = DRM(histogram_slot)(queued_to_dispatched
- + dispatched_to_completed
- + completed_to_freed);
-
- atomic_inc(&dev->histo.total);
- atomic_inc(&dev->histo.queued_to_dispatched[q2d]);
- atomic_inc(&dev->histo.dispatched_to_completed[d2c]);
- atomic_inc(&dev->histo.completed_to_freed[c2f]);
-
- atomic_inc(&dev->histo.queued_to_completed[q2c]);
- atomic_inc(&dev->histo.queued_to_freed[q2f]);
-
- }
- buf->time_queued = 0;
- buf->time_dispatched = 0;
- buf->time_completed = 0;
- buf->time_freed = 0;
-}
-#endif
-
void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf)
{
if (!buf) return;
buf->pending = 0;
buf->filp = NULL;
buf->used = 0;
-#if __HAVE_DMA_HISTOGRAM
- buf->time_completed = get_cycles();
-#endif
if ( buf->dma_wait ) {
wakeup( (void *)&buf->dma_wait );
#endif
dev->context_wait = 0;
- dev->ctx_start = 0;
- dev->lck_start = 0;
-
#ifdef __FreeBSD__
dev->buf_sigio = NULL;
#elif defined(__NetBSD__)
#if __HAVE_MULTIPLE_DMA_QUEUES
drm_queue_t *q;
#endif
-#if __HAVE_DMA_HISTOGRAM
- cycles_t start;
-
- dev->lck_start = start = get_cycles();
-#endif
DRM_COPY_FROM_USER_IOCTL( lock, (drm_lock_t *)data, sizeof(lock) );
DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" );
-#if __HAVE_DMA_HISTOGRAM
- atomic_inc(&dev->histo.lacq[DRM(histogram_slot)(get_cycles()-start)]);
-#endif
-
return DRM_ERR(ret);
}
buf->idx, buf->pid);
return DRM_ERR( EINVAL );
}
-#if __HAVE_DMA_HISTOGRAM
- getnanotime(&buf->time_queued);
-#endif
buf->list = DRM_LIST_WAIT;
DRM_SPINLOCK(&bl->write_lock);
buf->idx, buf->waiting, buf->pending, buf->list);
}
if (!bl) return 1;
-#if __HAVE_DMA_HISTOGRAM
- getnanotime(&buf->time_queued);
- DRM(histogram_compute)(dev, buf);
-#endif
buf->list = DRM_LIST_FREE;
DRM_SPINLOCK( &bl->lock );
typedef unsigned long dma_addr_t;
typedef u_int32_t atomic_t;
-typedef u_int32_t cycles_t;
typedef u_int32_t u32;
typedef u_int16_t u16;
typedef u_int8_t u8;
typedef u_int32_t dma_addr_t;
typedef volatile long atomic_t;
-typedef u_int32_t cycles_t;
typedef u_int32_t u32;
typedef u_int16_t u16;
typedef u_int8_t u8;
static int DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS;
static int DRM(queues_info)DRM_SYSCTL_HANDLER_ARGS;
static int DRM(bufs_info)DRM_SYSCTL_HANDLER_ARGS;
-#if DRM_DMA_HISTOGRAM
-static int DRM(histo_info)DRM_SYSCTL_HANDLER_ARGS;
-#endif
struct DRM(sysctl_list) {
const char *name;
{ "clients", DRM(clients_info) },
{ "queues", DRM(queues_info) },
{ "bufs", DRM(bufs_info) },
-#if DRM_DMA_HISTOGRAM
- { "histo", drm_histo_info) },
-#endif
};
#define DRM_SYSCTL_ENTRIES (sizeof(DRM(sysctl_list))/sizeof(DRM(sysctl_list)[0]))
}
-#if DRM_DMA_HISTOGRAM
-static int DRM(_histo_info)DRM_SYSCTL_HANDLER_ARGS
-{
- drm_device_t *dev = arg1;
- drm_device_dma_t *dma = dev->dma;
- int i;
- unsigned long slot_value = DRM_DMA_HISTOGRAM_INITIAL;
- unsigned long prev_value = 0;
- drm_buf_t *buffer;
- char buf[128];
- int error;
-
- DRM_SYSCTL_PRINT("general statistics:\n");
- DRM_SYSCTL_PRINT("total %10u\n", atomic_read(&dev->histo.total));
- DRM_SYSCTL_PRINT("open %10u\n", atomic_read(&dev->total_open));
- DRM_SYSCTL_PRINT("close %10u\n", atomic_read(&dev->total_close));
- DRM_SYSCTL_PRINT("ioctl %10u\n", atomic_read(&dev->total_ioctl));
- DRM_SYSCTL_PRINT("irq %10u\n", atomic_read(&dev->total_irq));
- DRM_SYSCTL_PRINT("ctx %10u\n", atomic_read(&dev->total_ctx));
-
- DRM_SYSCTL_PRINT("\nlock statistics:\n");
- DRM_SYSCTL_PRINT("locks %10u\n", atomic_read(&dev->total_locks));
- DRM_SYSCTL_PRINT("unlocks %10u\n", atomic_read(&dev->total_unlocks));
- DRM_SYSCTL_PRINT("contends %10u\n", atomic_read(&dev->total_contends));
- DRM_SYSCTL_PRINT("sleeps %10u\n", atomic_read(&dev->total_sleeps));
-
-
- if (dma) {
- DRM_SYSCTL_PRINT("\ndma statistics:\n");
- DRM_SYSCTL_PRINT("prio %10u\n",
- atomic_read(&dma->total_prio));
- DRM_SYSCTL_PRINT("bytes %10u\n",
- atomic_read(&dma->total_bytes));
- DRM_SYSCTL_PRINT("dmas %10u\n",
- atomic_read(&dma->total_dmas));
- DRM_SYSCTL_PRINT("missed:\n");
- DRM_SYSCTL_PRINT(" dma %10u\n",
- atomic_read(&dma->total_missed_dma));
- DRM_SYSCTL_PRINT(" lock %10u\n",
- atomic_read(&dma->total_missed_lock));
- DRM_SYSCTL_PRINT(" free %10u\n",
- atomic_read(&dma->total_missed_free));
- DRM_SYSCTL_PRINT(" sched %10u\n",
- atomic_read(&dma->total_missed_sched));
- DRM_SYSCTL_PRINT("tried %10u\n",
- atomic_read(&dma->total_tried));
- DRM_SYSCTL_PRINT("hit %10u\n",
- atomic_read(&dma->total_hit));
- DRM_SYSCTL_PRINT("lost %10u\n",
- atomic_read(&dma->total_lost));
-
- buffer = dma->next_buffer;
- if (buffer) {
- DRM_SYSCTL_PRINT("next_buffer %7d\n", buffer->idx);
- } else {
- DRM_SYSCTL_PRINT("next_buffer none\n");
- }
- buffer = dma->this_buffer;
- if (buffer) {
- DRM_SYSCTL_PRINT("this_buffer %7d\n", buffer->idx);
- } else {
- DRM_SYSCTL_PRINT("this_buffer none\n");
- }
- }
-
-
- DRM_SYSCTL_PRINT("\nvalues:\n");
- if (dev->lock.hw_lock) {
- DRM_SYSCTL_PRINT("lock 0x%08x\n",
- dev->lock.hw_lock->lock);
- } else {
- DRM_SYSCTL_PRINT("lock none\n");
- }
- DRM_SYSCTL_PRINT("context_flag 0x%08x\n", dev->context_flag);
- DRM_SYSCTL_PRINT("interrupt_flag 0x%08x\n", dev->interrupt_flag);
- DRM_SYSCTL_PRINT("dma_flag 0x%08x\n", dev->dma_flag);
-
- DRM_SYSCTL_PRINT("queue_count %10d\n", dev->queue_count);
- DRM_SYSCTL_PRINT("last_context %10d\n", dev->last_context);
- DRM_SYSCTL_PRINT("last_switch %10u\n", dev->last_switch);
- DRM_SYSCTL_PRINT("last_checked %10d\n", dev->last_checked);
-
-
- DRM_SYSCTL_PRINT("\n q2d d2c c2f"
- " q2c q2f dma sch"
- " ctx lacq lhld\n\n");
- for (i = 0; i < DRM_DMA_HISTOGRAM_SLOTS; i++) {
- DRM_SYSCTL_PRINT("%s %10lu %10u %10u %10u %10u %10u"
- " %10u %10u %10u %10u %10u\n",
- i == DRM_DMA_HISTOGRAM_SLOTS - 1 ? ">=" : "< ",
- i == DRM_DMA_HISTOGRAM_SLOTS - 1
- ? prev_value : slot_value ,
-
- atomic_read(&dev->histo
- .queued_to_dispatched[i]),
- atomic_read(&dev->histo
- .dispatched_to_completed[i]),
- atomic_read(&dev->histo
- .completed_to_freed[i]),
-
- atomic_read(&dev->histo
- .queued_to_completed[i]),
- atomic_read(&dev->histo
- .queued_to_freed[i]),
- atomic_read(&dev->histo.dma[i]),
- atomic_read(&dev->histo.schedule[i]),
- atomic_read(&dev->histo.ctx[i]),
- atomic_read(&dev->histo.lacq[i]),
- atomic_read(&dev->histo.lhld[i]));
- prev_value = slot_value;
- slot_value = DRM_DMA_HISTOGRAM_NEXT(slot_value);
- }
- SYSCTL_OUT(req, "", 1);
- return 0;
-}
-
-static int DRM(histo_info)DRM_SYSCTL_HANDLER_ARGS
-{
- drm_device_t *dev = arg1;
- int ret;
-
- DRM_LOCK;
- ret = _drm_histo_info(oidp, arg1, arg2, req);
- DRM_UNLOCK;
- return ret;
-}
-#endif
-
#elif defined(__NetBSD__)
/* stub it out for now, sysctl is only for debugging */
int DRM(sysctl_init)(drm_device_t *dev)
projects / profile / ivi / libdrm.git / commitdiff