project-base/server-skynet-source-3rd-jemalloc
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Cache_bin: Shouldn't know about tcache.

Browse Source 
Instead, have it take the cache_bin_info_ts to use by pointer.  While we're
here, add a src file for the cache bin.
This commit is contained in:
David Goldblatt
2020-02-25 12:14:48 -08:00
committed by David Goldblatt
parent 79f1ee2fc0
commit 909c501b07
12 changed files with 101 additions and 67 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
test/unit/cache_bin.c
View File

@@ -10,48 +10,51 @@ TEST_BEGIN(test_cache_bin) {
expect_ptr_not_null(stack, "Unexpected mallocx failure");
/* Initialize to empty; bin 0. */
cache_bin_sz_t ncached_max = cache_bin_ncached_max_get(0);
cache_bin_sz_t ncached_max = cache_bin_ncached_max_get(0,
tcache_bin_info);
void **empty_position = stack + ncached_max;
bin->cur_ptr.ptr = empty_position;
bin->low_water_position = bin->cur_ptr.lowbits;
bin->full_position = (uint32_t)(uintptr_t)stack;
expect_ptr_eq(cache_bin_empty_position_get(bin, 0), empty_position,
"Incorrect empty position");
expect_ptr_eq(cache_bin_empty_position_get(bin, 0, tcache_bin_info),
empty_position, "Incorrect empty position");
/* Not using expect_zu etc on cache_bin_sz_t since it may change. */
expect_true(cache_bin_ncached_get(bin, 0) == 0, "Incorrect cache size");
expect_true(cache_bin_ncached_get(bin, 0, tcache_bin_info) == 0,
"Incorrect cache size");
bool success;
void *ret = cache_bin_alloc_easy(bin, &success, 0);
void *ret = cache_bin_alloc_easy(bin, &success, 0, tcache_bin_info);
expect_false(success, "Empty cache bin should not alloc");
expect_true(cache_bin_low_water_get(bin, 0) == 0,
expect_true(cache_bin_low_water_get(bin, 0, tcache_bin_info) == 0,
"Incorrect low water mark");
cache_bin_ncached_set(bin, 0, 0);
cache_bin_ncached_set(bin, 0, 0, tcache_bin_info);
expect_ptr_eq(bin->cur_ptr.ptr, empty_position, "Bin should be empty");
for (cache_bin_sz_t i = 1; i < ncached_max + 1; i++) {
success = cache_bin_dalloc_easy(bin, (void *)(uintptr_t)i);
expect_true(success && cache_bin_ncached_get(bin, 0) == i,
"Bin dalloc failure");
expect_true(success && cache_bin_ncached_get(bin, 0,
tcache_bin_info) == i, "Bin dalloc failure");
}
success = cache_bin_dalloc_easy(bin, (void *)1);
expect_false(success, "Bin should be full");
expect_ptr_eq(bin->cur_ptr.ptr, stack, "Incorrect bin cur_ptr");
cache_bin_ncached_set(bin, 0, ncached_max);
cache_bin_ncached_set(bin, 0, ncached_max, tcache_bin_info);
expect_ptr_eq(bin->cur_ptr.ptr, stack, "cur_ptr should not change");
/* Emulate low water after refill. */
bin->low_water_position = bin->full_position;
for (cache_bin_sz_t i = ncached_max; i > 0; i--) {
ret = cache_bin_alloc_easy(bin, &success, 0);
cache_bin_sz_t ncached = cache_bin_ncached_get(bin, 0);
ret = cache_bin_alloc_easy(bin, &success, 0, tcache_bin_info);
cache_bin_sz_t ncached = cache_bin_ncached_get(bin, 0,
tcache_bin_info);
expect_true(success && ncached == i - 1,
"Cache bin alloc failure");
expect_ptr_eq(ret, (void *)(uintptr_t)i, "Bin alloc failure");
expect_true(cache_bin_low_water_get(bin, 0) == ncached,
"Incorrect low water mark");
expect_true(cache_bin_low_water_get(bin, 0, tcache_bin_info)
== ncached, "Incorrect low water mark");
}
ret = cache_bin_alloc_easy(bin, &success, 0);
ret = cache_bin_alloc_easy(bin, &success, 0, tcache_bin_info);
expect_false(success, "Empty cache bin should not alloc.");
expect_ptr_eq(bin->cur_ptr.ptr, stack + ncached_max,
"Bin should be empty");