diff options
Diffstat (limited to 'kern/slab.c')
| -rw-r--r-- | kern/slab.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/kern/slab.c b/kern/slab.c index 64f1fa8..2923f47 100644 --- a/kern/slab.c +++ b/kern/slab.c @@ -1490,6 +1490,35 @@ void kfree(vm_offset_t data, vm_size_t size) } } +void slab_info(void) +{ + struct kmem_cache *cache; + vm_size_t mem_usage, mem_reclaimable; + + printf("cache obj slab bufs objs bufs " + " total reclaimable\n" + "name size size /slab usage count " + " memory memory\n"); + + simple_lock(&kmem_cache_list_lock); + + list_for_each_entry(&kmem_cache_list, cache, node) { + simple_lock(&cache->lock); + + mem_usage = (cache->nr_slabs * cache->slab_size) >> 10; + mem_reclaimable = (cache->nr_free_slabs * cache->slab_size) >> 10; + + printf("%-19s %6lu %3luk %4lu %6lu %6lu %7luk %10luk\n", + cache->name, cache->obj_size, cache->slab_size >> 10, + cache->bufs_per_slab, cache->nr_objs, cache->nr_bufs, + mem_usage, mem_reclaimable); + + simple_unlock(&cache->lock); + } + + simple_unlock(&kmem_cache_list_lock); +} + #if MACH_DEBUG kern_return_t host_slab_info(host_t host, cache_info_array_t *infop, unsigned int *infoCntp) |