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comparison src/core/ngx_slab.h @ 6828:99770a5ea14f

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Slab: slots statistics. For each slot, the number of total and used entries, as well as the number of allocation requests and failures, are tracked.
author Ruslan Ermilov <ru@nginx.com>
date Wed, 07 Dec 2016 22:25:37 +0300
parents 25ade23cf281
children 6e757036e588
comparison
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6827:0e61510c56c4 6828:99770a5ea14f
21 uintptr_t prev; 21 uintptr_t prev;
22 }; 22 };
23 23
24 24
25 typedef struct { 25 typedef struct {
26 ngx_uint_t total;
27 ngx_uint_t used;
28
29 ngx_uint_t reqs;
30 ngx_uint_t fails;
31 } ngx_slab_stat_t;
32
33
34 typedef struct {
26 ngx_shmtx_sh_t lock; 35 ngx_shmtx_sh_t lock;
27 36
28 size_t min_size; 37 size_t min_size;
29 size_t min_shift; 38 size_t min_shift;
30 39
31 ngx_slab_page_t *pages; 40 ngx_slab_page_t *pages;
32 ngx_slab_page_t *last; 41 ngx_slab_page_t *last;
33 ngx_slab_page_t free; 42 ngx_slab_page_t free;
43
44 ngx_slab_stat_t *stats;
34 45
35 u_char *start; 46 u_char *start;
36 u_char *end; 47 u_char *end;
37 48
38 ngx_shmtx_t mutex; 49 ngx_shmtx_t mutex;