server-skynet-source-3rd-je.../test/integration/extent.c

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#include "test/jemalloc_test.h"
#ifdef JEMALLOC_FILL
const char *malloc_conf = "junk:false";
#endif
static void *extent_alloc(extent_hooks_t *extent_hooks, void *new_addr,
size_t size, size_t alignment, bool *zero, bool *commit,
unsigned arena_ind);
static bool extent_dalloc(extent_hooks_t *extent_hooks, void *addr,
size_t size, bool committed, unsigned arena_ind);
static bool extent_commit(extent_hooks_t *extent_hooks, void *addr,
size_t size, size_t offset, size_t length, unsigned arena_ind);
static bool extent_decommit(extent_hooks_t *extent_hooks, void *addr,
size_t size, size_t offset, size_t length, unsigned arena_ind);
static bool extent_purge_lazy(extent_hooks_t *extent_hooks, void *addr,
size_t size, size_t offset, size_t length, unsigned arena_ind);
static bool extent_purge_forced(extent_hooks_t *extent_hooks, void *addr,
size_t size, size_t offset, size_t length, unsigned arena_ind);
static bool extent_split(extent_hooks_t *extent_hooks, void *addr,
size_t size, size_t size_a, size_t size_b, bool committed,
unsigned arena_ind);
static bool extent_merge(extent_hooks_t *extent_hooks, void *addr_a,
size_t size_a, void *addr_b, size_t size_b, bool committed,
unsigned arena_ind);
static extent_hooks_t hooks = {
extent_alloc,
extent_dalloc,
extent_commit,
extent_decommit,
extent_purge_lazy,
extent_purge_forced,
extent_split,
extent_merge
};
static extent_hooks_t *new_hooks = &hooks;
static extent_hooks_t *orig_hooks;
static extent_hooks_t *old_hooks;
static bool do_dalloc = true;
static bool do_decommit;
static bool did_alloc;
static bool did_dalloc;
static bool did_commit;
static bool did_decommit;
static bool did_purge_lazy;
static bool did_purge_forced;
static bool tried_split;
static bool did_split;
static bool did_merge;
#if 0
# define TRACE_HOOK(fmt, ...) malloc_printf(fmt, __VA_ARGS__)
#else
# define TRACE_HOOK(fmt, ...)
#endif
static void *
extent_alloc(extent_hooks_t *extent_hooks, void *new_addr, size_t size,
size_t alignment, bool *zero, bool *commit, unsigned arena_ind)
{
TRACE_HOOK("%s(extent_hooks=%p, new_addr=%p, size=%zu, alignment=%zu, "
"*zero=%s, *commit=%s, arena_ind=%u)\n", __func__, extent_hooks,
new_addr, size, alignment, *zero ? "true" : "false", *commit ?
"true" : "false", arena_ind);
assert_ptr_eq(extent_hooks, new_hooks,
"extent_hooks should be same as pointer used to set hooks");
assert_ptr_eq(extent_hooks->alloc, extent_alloc, "Wrong hook function");
did_alloc = true;
return (old_hooks->alloc(old_hooks, new_addr, size, alignment, zero,
commit, 0));
}
static bool
extent_dalloc(extent_hooks_t *extent_hooks, void *addr, size_t size,
bool committed, unsigned arena_ind)
{
TRACE_HOOK("%s(extent_hooks=%p, addr=%p, size=%zu, committed=%s, "
"arena_ind=%u)\n", __func__, extent_hooks, addr, size, committed ?
"true" : "false", arena_ind);
assert_ptr_eq(extent_hooks, new_hooks,
"extent_hooks should be same as pointer used to set hooks");
assert_ptr_eq(extent_hooks->dalloc, extent_dalloc,
"Wrong hook function");
did_dalloc = true;
if (!do_dalloc)
return (true);
return (old_hooks->dalloc(old_hooks, addr, size, committed, 0));
}
static bool
extent_commit(extent_hooks_t *extent_hooks, void *addr, size_t size,
size_t offset, size_t length, unsigned arena_ind)
{
bool err;
TRACE_HOOK("%s(extent_hooks=%p, addr=%p, size=%zu, offset=%zu, "
"length=%zu, arena_ind=%u)\n", __func__, extent_hooks, addr, size,
offset, length, arena_ind);
assert_ptr_eq(extent_hooks, new_hooks,
"extent_hooks should be same as pointer used to set hooks");
assert_ptr_eq(extent_hooks->commit, extent_commit,
"Wrong hook function");
err = old_hooks->commit(old_hooks, addr, size, offset, length, 0);
did_commit = !err;
return (err);
}
static bool
extent_decommit(extent_hooks_t *extent_hooks, void *addr, size_t size,
size_t offset, size_t length, unsigned arena_ind)
{
bool err;
TRACE_HOOK("%s(extent_hooks=%p, addr=%p, size=%zu, offset=%zu, "
"length=%zu, arena_ind=%u)\n", __func__, extent_hooks, addr, size,
offset, length, arena_ind);
assert_ptr_eq(extent_hooks, new_hooks,
"extent_hooks should be same as pointer used to set hooks");
assert_ptr_eq(extent_hooks->decommit, extent_decommit,
"Wrong hook function");
if (!do_decommit)
return (true);
err = old_hooks->decommit(old_hooks, addr, size, offset, length, 0);
did_decommit = !err;
return (err);
}
static bool
extent_purge_lazy(extent_hooks_t *extent_hooks, void *addr, size_t size,
size_t offset, size_t length, unsigned arena_ind)
{
TRACE_HOOK("%s(extent_hooks=%p, addr=%p, size=%zu, offset=%zu, "
"length=%zu arena_ind=%u)\n", __func__, extent_hooks, addr, size,
offset, length, arena_ind);
assert_ptr_eq(extent_hooks, new_hooks,
"extent_hooks should be same as pointer used to set hooks");
assert_ptr_eq(extent_hooks->purge_lazy, extent_purge_lazy,
"Wrong hook function");
did_purge_lazy = true;
return (old_hooks->purge_lazy == NULL ||
old_hooks->purge_lazy(old_hooks, addr, size, offset, length, 0));
}
static bool
extent_purge_forced(extent_hooks_t *extent_hooks, void *addr, size_t size,
size_t offset, size_t length, unsigned arena_ind)
{
TRACE_HOOK("%s(extent_hooks=%p, addr=%p, size=%zu, offset=%zu, "
"length=%zu arena_ind=%u)\n", __func__, extent_hooks, addr, size,
offset, length, arena_ind);
assert_ptr_eq(extent_hooks, new_hooks,
"extent_hooks should be same as pointer used to set hooks");
assert_ptr_eq(extent_hooks->purge_forced, extent_purge_forced,
"Wrong hook function");
did_purge_forced = true;
return (old_hooks->purge_forced == NULL ||
old_hooks->purge_forced(old_hooks, addr, size, offset, length, 0));
}
static bool
extent_split(extent_hooks_t *extent_hooks, void *addr, size_t size,
size_t size_a, size_t size_b, bool committed, unsigned arena_ind)
{
bool err;
TRACE_HOOK("%s(extent_hooks=%p, addr=%p, size=%zu, size_a=%zu, "
"size_b=%zu, committed=%s, arena_ind=%u)\n", __func__, extent_hooks,
addr, size, size_a, size_b, committed ? "true" : "false",
arena_ind);
assert_ptr_eq(extent_hooks, new_hooks,
"extent_hooks should be same as pointer used to set hooks");
assert_ptr_eq(extent_hooks->split, extent_split, "Wrong hook function");
tried_split = true;
err = (old_hooks->split == NULL || old_hooks->split(old_hooks, addr,
size, size_a, size_b, committed, 0));
did_split = !err;
return (err);
}
static bool
extent_merge(extent_hooks_t *extent_hooks, void *addr_a, size_t size_a,
void *addr_b, size_t size_b, bool committed, unsigned arena_ind)
{
bool err;
TRACE_HOOK("%s(extent_hooks=%p, addr_a=%p, size_a=%zu, addr_b=%p "
"size_b=%zu, committed=%s, arena_ind=%u)\n", __func__, extent_hooks,
addr_a, size_a, addr_b, size_b, committed ? "true" : "false",
arena_ind);
assert_ptr_eq(extent_hooks, new_hooks,
"extent_hooks should be same as pointer used to set hooks");
assert_ptr_eq(extent_hooks->merge, extent_merge, "Wrong hook function");
err = (old_hooks->merge == NULL || old_hooks->merge(old_hooks, addr_a,
size_a, addr_b, size_b, committed, 0));
did_merge = !err;
return (err);
}
static void
test_extent_body(unsigned arena_ind)
{
void *p;
size_t large0, large1, large2, sz;
size_t purge_mib[3];
size_t purge_miblen;
int flags;
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bool xallocx_success_a, xallocx_success_b, xallocx_success_c;
flags = MALLOCX_ARENA(arena_ind) | MALLOCX_TCACHE_NONE;
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/* Get large size classes. */
sz = sizeof(size_t);
assert_d_eq(mallctl("arenas.lextent.0.size", (void *)&large0, &sz, NULL,
0), 0, "Unexpected arenas.lextent.0.size failure");
assert_d_eq(mallctl("arenas.lextent.1.size", (void *)&large1, &sz, NULL,
0), 0, "Unexpected arenas.lextent.1.size failure");
assert_d_eq(mallctl("arenas.lextent.2.size", (void *)&large2, &sz, NULL,
0), 0, "Unexpected arenas.lextent.2.size failure");
/* Test dalloc/decommit/purge cascade. */
purge_miblen = sizeof(purge_mib)/sizeof(size_t);
assert_d_eq(mallctlnametomib("arena.0.purge", purge_mib, &purge_miblen),
0, "Unexpected mallctlnametomib() failure");
purge_mib[1] = (size_t)arena_ind;
do_dalloc = false;
do_decommit = false;
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p = mallocx(large0 * 2, flags);
assert_ptr_not_null(p, "Unexpected mallocx() error");
did_dalloc = false;
did_decommit = false;
did_purge_lazy = false;
did_purge_forced = false;
tried_split = false;
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did_split = false;
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xallocx_success_a = (xallocx(p, large0, 0, flags) == large0);
assert_d_eq(mallctlbymib(purge_mib, purge_miblen, NULL, NULL, NULL, 0),
0, "Unexpected arena.%u.purge error", arena_ind);
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if (xallocx_success_a) {
assert_true(did_dalloc, "Expected dalloc");
assert_false(did_decommit, "Unexpected decommit");
assert_true(did_purge_lazy || did_purge_forced,
"Expected purge");
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}
assert_true(tried_split, "Expected split");
dallocx(p, flags);
do_dalloc = true;
/* Test decommit/commit and observe split/merge. */
do_dalloc = false;
do_decommit = true;
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p = mallocx(large0 * 2, flags);
assert_ptr_not_null(p, "Unexpected mallocx() error");
did_decommit = false;
did_commit = false;
tried_split = false;
did_split = false;
did_merge = false;
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xallocx_success_b = (xallocx(p, large0, 0, flags) == large0);
assert_d_eq(mallctlbymib(purge_mib, purge_miblen, NULL, NULL, NULL, 0),
0, "Unexpected arena.%u.purge error", arena_ind);
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if (xallocx_success_b)
assert_true(did_split, "Expected split");
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xallocx_success_c = (xallocx(p, large0 * 2, 0, flags) == large0 * 2);
if (did_split) {
assert_b_eq(did_decommit, did_commit,
"Expected decommit/commit match");
}
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if (xallocx_success_b && xallocx_success_c)
assert_true(did_merge, "Expected merge");
dallocx(p, flags);
do_dalloc = true;
do_decommit = false;
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/* Make sure non-large allocation succeeds. */
p = mallocx(42, flags);
assert_ptr_not_null(p, "Unexpected mallocx() error");
dallocx(p, flags);
}
TEST_BEGIN(test_extent_manual_hook)
{
unsigned arena_ind;
size_t old_size, new_size, sz;
size_t hooks_mib[3];
size_t hooks_miblen;
sz = sizeof(unsigned);
assert_d_eq(mallctl("arenas.extend", (void *)&arena_ind, &sz, NULL, 0),
0, "Unexpected mallctl() failure");
/* Install custom extent hooks. */
hooks_miblen = sizeof(hooks_mib)/sizeof(size_t);
assert_d_eq(mallctlnametomib("arena.0.extent_hooks", hooks_mib,
&hooks_miblen), 0, "Unexpected mallctlnametomib() failure");
hooks_mib[1] = (size_t)arena_ind;
old_size = sizeof(extent_hooks_t *);
new_size = sizeof(extent_hooks_t *);
assert_d_eq(mallctlbymib(hooks_mib, hooks_miblen, (void *)&old_hooks,
&old_size, (void *)&new_hooks, new_size), 0,
"Unexpected extent_hooks error");
orig_hooks = old_hooks;
assert_ptr_ne(old_hooks->alloc, extent_alloc, "Unexpected alloc error");
assert_ptr_ne(old_hooks->dalloc, extent_dalloc,
"Unexpected dalloc error");
assert_ptr_ne(old_hooks->commit, extent_commit,
"Unexpected commit error");
assert_ptr_ne(old_hooks->decommit, extent_decommit,
"Unexpected decommit error");
assert_ptr_ne(old_hooks->purge_lazy, extent_purge_lazy,
"Unexpected purge_lazy error");
assert_ptr_ne(old_hooks->purge_forced, extent_purge_forced,
"Unexpected purge_forced error");
assert_ptr_ne(old_hooks->split, extent_split, "Unexpected split error");
assert_ptr_ne(old_hooks->merge, extent_merge, "Unexpected merge error");
test_extent_body(arena_ind);
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/* Restore extent hooks. */
assert_d_eq(mallctlbymib(hooks_mib, hooks_miblen, NULL, NULL,
(void *)&old_hooks, new_size), 0, "Unexpected extent_hooks error");
assert_d_eq(mallctlbymib(hooks_mib, hooks_miblen, (void *)&old_hooks,
&old_size, NULL, 0), 0, "Unexpected extent_hooks error");
assert_ptr_eq(old_hooks, orig_hooks, "Unexpected hooks error");
assert_ptr_eq(old_hooks->alloc, orig_hooks->alloc,
"Unexpected alloc error");
assert_ptr_eq(old_hooks->dalloc, orig_hooks->dalloc,
"Unexpected dalloc error");
assert_ptr_eq(old_hooks->commit, orig_hooks->commit,
"Unexpected commit error");
assert_ptr_eq(old_hooks->decommit, orig_hooks->decommit,
"Unexpected decommit error");
assert_ptr_eq(old_hooks->purge_lazy, orig_hooks->purge_lazy,
"Unexpected purge_lazy error");
assert_ptr_eq(old_hooks->purge_forced, orig_hooks->purge_forced,
"Unexpected purge_forced error");
assert_ptr_eq(old_hooks->split, orig_hooks->split,
"Unexpected split error");
assert_ptr_eq(old_hooks->merge, orig_hooks->merge,
"Unexpected merge error");
}
TEST_END
TEST_BEGIN(test_extent_auto_hook)
{
unsigned arena_ind;
size_t new_size, sz;
sz = sizeof(unsigned);
new_size = sizeof(extent_hooks_t *);
assert_d_eq(mallctl("arenas.extend", (void *)&arena_ind, &sz,
(void *)&new_hooks, new_size), 0, "Unexpected mallctl() failure");
test_extent_body(arena_ind);
}
TEST_END
int
main(void)
{
return (test(
test_extent_manual_hook,
test_extent_auto_hook));
}