mirror of
https://github.com/fluencelabs/redis
synced 2025-06-22 05:21:33 +00:00
Jemalloc updated to 4.4.0.
The original jemalloc source tree was modified to: 1. Remove the configure error that prevents nested builds. 2. Insert the Redis private Jemalloc API in order to allow the Redis fragmentation function to work.
This commit is contained in:
antirez
108
deps/jemalloc/test/integration/mallocx.c
vendored
Normal file → Executable file
108
deps/jemalloc/test/integration/mallocx.c
vendored
Normal file → Executable file
@ -1,5 +1,9 @@
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#include "test/jemalloc_test.h"
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#ifdef JEMALLOC_FILL
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const char *malloc_conf = "junk:false";
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#endif
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static unsigned
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get_nsizes_impl(const char *cmd)
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{
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@ -7,7 +11,7 @@ get_nsizes_impl(const char *cmd)
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size_t z;
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z = sizeof(unsigned);
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assert_d_eq(mallctl(cmd, &ret, &z, NULL, 0), 0,
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assert_d_eq(mallctl(cmd, (void *)&ret, &z, NULL, 0), 0,
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"Unexpected mallctl(\"%s\", ...) failure", cmd);
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return (ret);
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@ -33,7 +37,7 @@ get_size_impl(const char *cmd, size_t ind)
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0, "Unexpected mallctlnametomib(\"%s\", ...) failure", cmd);
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mib[2] = ind;
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z = sizeof(size_t);
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assert_d_eq(mallctlbymib(mib, miblen, &ret, &z, NULL, 0),
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assert_d_eq(mallctlbymib(mib, miblen, (void *)&ret, &z, NULL, 0),
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0, "Unexpected mallctlbymib([\"%s\", %zu], ...) failure", cmd, ind);
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return (ret);
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@ -46,43 +50,84 @@ get_huge_size(size_t ind)
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return (get_size_impl("arenas.hchunk.0.size", ind));
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}
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TEST_BEGIN(test_oom)
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/*
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* On systems which can't merge extents, tests that call this function generate
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* a lot of dirty memory very quickly. Purging between cycles mitigates
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* potential OOM on e.g. 32-bit Windows.
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*/
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static void
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purge(void)
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{
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size_t hugemax, size, alignment;
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assert_d_eq(mallctl("arena.0.purge", NULL, NULL, NULL, 0), 0,
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"Unexpected mallctl error");
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}
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TEST_BEGIN(test_overflow)
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{
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size_t hugemax;
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hugemax = get_huge_size(get_nhuge()-1);
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/*
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* It should be impossible to allocate two objects that each consume
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* more than half the virtual address space.
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*/
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{
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void *p;
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assert_ptr_null(mallocx(hugemax+1, 0),
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"Expected OOM for mallocx(size=%#zx, 0)", hugemax+1);
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p = mallocx(hugemax, 0);
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if (p != NULL) {
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assert_ptr_null(mallocx(hugemax, 0),
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"Expected OOM for mallocx(size=%#zx, 0)", hugemax);
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dallocx(p, 0);
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}
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assert_ptr_null(mallocx(ZU(PTRDIFF_MAX)+1, 0),
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"Expected OOM for mallocx(size=%#zx, 0)", ZU(PTRDIFF_MAX)+1);
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assert_ptr_null(mallocx(SIZE_T_MAX, 0),
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"Expected OOM for mallocx(size=%#zx, 0)", SIZE_T_MAX);
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assert_ptr_null(mallocx(1, MALLOCX_ALIGN(ZU(PTRDIFF_MAX)+1)),
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"Expected OOM for mallocx(size=1, MALLOCX_ALIGN(%#zx))",
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ZU(PTRDIFF_MAX)+1);
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}
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TEST_END
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TEST_BEGIN(test_oom)
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{
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size_t hugemax;
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bool oom;
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void *ptrs[3];
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unsigned i;
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/*
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* It should be impossible to allocate three objects that each consume
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* nearly half the virtual address space.
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*/
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hugemax = get_huge_size(get_nhuge()-1);
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oom = false;
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for (i = 0; i < sizeof(ptrs) / sizeof(void *); i++) {
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ptrs[i] = mallocx(hugemax, 0);
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if (ptrs[i] == NULL)
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oom = true;
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}
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assert_true(oom,
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"Expected OOM during series of calls to mallocx(size=%zu, 0)",
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hugemax);
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for (i = 0; i < sizeof(ptrs) / sizeof(void *); i++) {
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if (ptrs[i] != NULL)
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dallocx(ptrs[i], 0);
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}
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purge();
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#if LG_SIZEOF_PTR == 3
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size = ZU(0x8000000000000000);
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alignment = ZU(0x8000000000000000);
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assert_ptr_null(mallocx(0x8000000000000000ULL,
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MALLOCX_ALIGN(0x8000000000000000ULL)),
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"Expected OOM for mallocx()");
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assert_ptr_null(mallocx(0x8000000000000000ULL,
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MALLOCX_ALIGN(0x80000000)),
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"Expected OOM for mallocx()");
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#else
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size = ZU(0x80000000);
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alignment = ZU(0x80000000);
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assert_ptr_null(mallocx(0x80000000UL, MALLOCX_ALIGN(0x80000000UL)),
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"Expected OOM for mallocx()");
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#endif
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assert_ptr_null(mallocx(size, MALLOCX_ALIGN(alignment)),
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"Expected OOM for mallocx(size=%#zx, MALLOCX_ALIGN(%#zx)", size,
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alignment);
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}
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TEST_END
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TEST_BEGIN(test_basic)
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{
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#define MAXSZ (((size_t)1) << 26)
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#define MAXSZ (((size_t)1) << 23)
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size_t sz;
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for (sz = 1; sz < MAXSZ; sz = nallocx(sz, 0) + 1) {
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@ -91,23 +136,28 @@ TEST_BEGIN(test_basic)
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nsz = nallocx(sz, 0);
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assert_zu_ne(nsz, 0, "Unexpected nallocx() error");
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p = mallocx(sz, 0);
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assert_ptr_not_null(p, "Unexpected mallocx() error");
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assert_ptr_not_null(p,
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"Unexpected mallocx(size=%zx, flags=0) error", sz);
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rsz = sallocx(p, 0);
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assert_zu_ge(rsz, sz, "Real size smaller than expected");
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assert_zu_eq(nsz, rsz, "nallocx()/sallocx() size mismatch");
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dallocx(p, 0);
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p = mallocx(sz, 0);
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assert_ptr_not_null(p, "Unexpected mallocx() error");
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assert_ptr_not_null(p,
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"Unexpected mallocx(size=%zx, flags=0) error", sz);
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dallocx(p, 0);
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nsz = nallocx(sz, MALLOCX_ZERO);
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assert_zu_ne(nsz, 0, "Unexpected nallocx() error");
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p = mallocx(sz, MALLOCX_ZERO);
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assert_ptr_not_null(p, "Unexpected mallocx() error");
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assert_ptr_not_null(p,
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"Unexpected mallocx(size=%zx, flags=MALLOCX_ZERO) error",
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nsz);
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rsz = sallocx(p, 0);
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assert_zu_eq(nsz, rsz, "nallocx()/sallocx() rsize mismatch");
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dallocx(p, 0);
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purge();
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}
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#undef MAXSZ
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}
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@ -115,7 +165,7 @@ TEST_END
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TEST_BEGIN(test_alignment_and_size)
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{
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#define MAXALIGN (((size_t)1) << 25)
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#define MAXALIGN (((size_t)1) << 23)
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#define NITER 4
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size_t nsz, rsz, sz, alignment, total;
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unsigned i;
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@ -165,6 +215,7 @@ TEST_BEGIN(test_alignment_and_size)
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}
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}
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}
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purge();
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}
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#undef MAXALIGN
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#undef NITER
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@ -176,6 +227,7 @@ main(void)
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{
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return (test(
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test_overflow,
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test_oom,
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test_basic,
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test_alignment_and_size));
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