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In addition to tracking allocs in the zone, also track frees. Add

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a zone free counter, as well as a cache free counter.

MFC after:	1 week
This commit is contained in:
rwatson 2005-07-14 16:17:21 +00:00
parent 3f3682a4b8
commit c24543fa50
2 changed files with 7 additions and 0 deletions
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5
sys/vm/uma_core.c
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@ -1325,6 +1325,7 @@ zone_ctor(void *mem, int size, void *udata, int flags)
zone->uz_init = NULL;
zone->uz_fini = NULL;
zone->uz_allocs = 0;
zone->uz_frees = 0;
zone->uz_fills = zone->uz_count = 0;
if (arg->flags & UMA_ZONE_SECONDARY) {
@ -1894,6 +1895,8 @@ zalloc_start:
/* Since we have locked the zone we may as well send back our stats */
zone->uz_allocs += cache->uc_allocs;
cache->uc_allocs = 0;
zone->uz_frees += cache->uc_frees;
cache->uc_frees = 0;
/* Our old one is now a free bucket */
if (cache->uc_allocbucket) {
@ -2296,6 +2299,7 @@ zfree_start:
("uma_zfree: Freeing to non free bucket index."));
bucket->ub_bucket[bucket->ub_cnt] = item;
bucket->ub_cnt++;
cache->uc_frees++;
critical_exit();
return;
} else if (cache->uc_allocbucket) {
@ -2467,6 +2471,7 @@ uma_zfree_internal(uma_zone_t zone, void *item, void *udata,
/* Zone statistics */
keg->uk_free++;
zone->uz_frees++;
if (keg->uk_flags & UMA_ZFLAG_FULL) {
if (keg->uk_pages < keg->uk_maxpages)

2
sys/vm/uma_int.h
View File

@ -177,6 +177,7 @@ struct uma_cache {
uma_bucket_t uc_freebucket; /* Bucket we're freeing to */
uma_bucket_t uc_allocbucket; /* Bucket to allocate from */
u_int64_t uc_allocs; /* Count of allocations */
u_int64_t uc_frees; /* Count of frees */
};
typedef struct uma_cache * uma_cache_t;
@ -303,6 +304,7 @@ struct uma_zone {
uma_fini uz_fini; /* Discards memory */
u_int64_t uz_allocs; /* Total number of allocations */
u_int64_t uz_frees; /* total number of frees */
uint16_t uz_fills; /* Outstanding bucket fills */
uint16_t uz_count; /* Highest value ub_ptr can have */