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Diffstat (limited to 'test/nxt_malloc_test.c')
-rw-r--r-- | test/nxt_malloc_test.c | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/test/nxt_malloc_test.c b/test/nxt_malloc_test.c deleted file mode 100644 index daa609b1..00000000 --- a/test/nxt_malloc_test.c +++ /dev/null @@ -1,123 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) NGINX, Inc. - */ - -#include <nxt_main.h> -#include "nxt_tests.h" - - -#define TIMES 1000 - - -typedef struct { - size_t size; - size_t alignment; - nxt_bool_t tight; -} nxt_malloc_size_t; - - -static nxt_malloc_size_t * -nxt_malloc_run_test(nxt_thread_t *thr, nxt_malloc_size_t *last, size_t size, - nxt_uint_t times) -{ - size_t a, s, alignment; - uintptr_t n; - nxt_uint_t i, tight; - static u_char *p[TIMES + 1]; - - alignment = (size_t) -1; - tight = 0; - - for (i = 1; i < times; i++) { - - p[i] = nxt_malloc(size); - if (p[i] == NULL) { - return NULL; - } - - n = (uintptr_t) p[i]; - a = 0; - - while ((n & 1) == 0) { - a++; - n >>= 1; - } - - alignment = nxt_min(alignment, a); - } - - - for (i = 1; i < times; i++) { - s = size; - nxt_malloc_usable_size(p[i], s); - - if (p[i - 1] + s == p[i] || p[i - 1] == p[i] + s) { - tight++; - } - - nxt_free(p[i]); - } - - alignment = 1 << alignment; - -#if 0 - nxt_log_error(NXT_LOG_NOTICE, thr->log, - "malloc: %uz, %uz, %ui", size, alignment, tight); -#endif - - while (last->alignment >= alignment) { - last--; - } - - last++; - - last->size = size; - last->alignment = alignment; - last->tight = times * 9 / 10 < tight; - - return last; -} - - -nxt_int_t -nxt_malloc_test(nxt_thread_t *thr) -{ - size_t size; - nxt_malloc_size_t *last, *s; - static nxt_malloc_size_t sizes[100]; - - nxt_log_error(NXT_LOG_NOTICE, thr->log, "malloc test started"); - - last = &sizes[0]; - - for (size = 1; size < 64; size++) { - last = nxt_malloc_run_test(thr, last, size, TIMES); - if (last == NULL) { - return NXT_ERROR; - } - } - - for (size = 64; size < 16384; size += 8) { - last = nxt_malloc_run_test(thr, last, size, TIMES / 4); - if (last == NULL) { - return NXT_ERROR; - } - } - - for (size = 16384; size < 512 * 1024 + 129; size += 128) { - last = nxt_malloc_run_test(thr, last, size, TIMES / 16); - if (last == NULL) { - return NXT_ERROR; - } - } - - for (s = &sizes[1]; s <= last; s++) { - nxt_log_error(NXT_LOG_NOTICE, thr->log, - "malloc sizes: %uz-%uz alignment:%uz tight:%ui", - s[-1].size + 1, s->size, s->alignment, s->tight); - } - - return NXT_OK; -} |