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- Add bucket size column to show uma DDB command.

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- Add `show umacache` command to show alike stats for cache-only UMA zones.
This commit is contained in:
Alexander Motin 2013-11-28 19:20:49 +00:00
parent 02727275c5
commit 03175483c2
1 changed files with 34 additions and 5 deletions
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39
sys/vm/uma_core.c
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@ -131,6 +131,10 @@ static int bucketdisable = 1;
/* Linked list of all kegs in the system */
static LIST_HEAD(,uma_keg) uma_kegs = LIST_HEAD_INITIALIZER(uma_kegs);
/* Linked list of all cache-only zones in the system */
static LIST_HEAD(,uma_zone) uma_cachezones =
LIST_HEAD_INITIALIZER(uma_cachezones);
/* This mutex protects the keg list */
static struct mtx_padalign uma_mtx;
@ -1590,6 +1594,9 @@ zone_ctor(void *mem, int size, void *udata, int flags)
zone->uz_release = arg->release;
zone->uz_arg = arg->arg;
zone->uz_lockptr = &zone->uz_lock;
mtx_lock(&uma_mtx);
LIST_INSERT_HEAD(&uma_cachezones, zone, uz_link);
mtx_unlock(&uma_mtx);
goto out;
}
@ -3466,8 +3473,8 @@ DB_SHOW_COMMAND(uma, db_show_uma)
uma_zone_t z;
int cachefree;
db_printf("%18s %8s %8s %8s %12s %8s\n", "Zone", "Size", "Used", "Free",
"Requests", "Sleeps");
db_printf("%18s %8s %8s %8s %12s %8s %8s\n", "Zone", "Size", "Used",
"Free", "Requests", "Sleeps", "Bucket");
LIST_FOREACH(kz, &uma_kegs, uk_link) {
LIST_FOREACH(z, &kz->uk_zones, uz_link) {
if (kz->uk_flags & UMA_ZFLAG_INTERNAL) {
@ -3483,13 +3490,35 @@ DB_SHOW_COMMAND(uma, db_show_uma)
cachefree += kz->uk_free;
LIST_FOREACH(bucket, &z->uz_buckets, ub_link)
cachefree += bucket->ub_cnt;
db_printf("%18s %8ju %8jd %8d %12ju %8ju\n", z->uz_name,
(uintmax_t)kz->uk_size,
db_printf("%18s %8ju %8jd %8d %12ju %8ju %8u\n",
z->uz_name, (uintmax_t)kz->uk_size,
(intmax_t)(allocs - frees), cachefree,
(uintmax_t)allocs, sleeps);
(uintmax_t)allocs, sleeps, z->uz_count);
if (db_pager_quit)
return;
}
}
}
DB_SHOW_COMMAND(umacache, db_show_umacache)
{
uint64_t allocs, frees;
uma_bucket_t bucket;
uma_zone_t z;
int cachefree;
db_printf("%18s %8s %8s %8s %12s %8s\n", "Zone", "Size", "Used", "Free",
"Requests", "Bucket");
LIST_FOREACH(z, &uma_cachezones, uz_link) {
uma_zone_sumstat(z, &cachefree, &allocs, &frees, NULL);
LIST_FOREACH(bucket, &z->uz_buckets, ub_link)
cachefree += bucket->ub_cnt;
db_printf("%18s %8ju %8jd %8d %12ju %8u\n",
z->uz_name, (uintmax_t)z->uz_size,
(intmax_t)(allocs - frees), cachefree,
(uintmax_t)allocs, z->uz_count);
if (db_pager_quit)
return;
}
}
#endif