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#include "test/jemalloc_test.h"
#ifdef JEMALLOC_PROF
const char *malloc_conf = "prof:true,lg_prof_sample:0";
#endif
static unsigned
get_nsizes_impl(const char *cmd)
{
unsigned ret;
size_t z;
z = sizeof(unsigned);
assert_d_eq(mallctl(cmd, &ret, &z, NULL, 0), 0,
"Unexpected mallctl(\"%s\", ...) failure", cmd);
return (ret);
}
static unsigned
get_nsmall(void)
{
return (get_nsizes_impl("arenas.nbins"));
}
static unsigned
get_nlarge(void)
{
return (get_nsizes_impl("arenas.nlruns"));
}
static unsigned
get_nhuge(void)
{
return (get_nsizes_impl("arenas.nhchunks"));
}
static size_t
get_size_impl(const char *cmd, size_t ind)
{
size_t ret;
size_t z;
size_t mib[4];
size_t miblen = 4;
z = sizeof(size_t);
assert_d_eq(mallctlnametomib(cmd, mib, &miblen),
0, "Unexpected mallctlnametomib(\"%s\", ...) failure", cmd);
mib[2] = ind;
z = sizeof(size_t);
assert_d_eq(mallctlbymib(mib, miblen, &ret, &z, NULL, 0),
0, "Unexpected mallctlbymib([\"%s\", %zu], ...) failure", cmd, ind);
return (ret);
}
static size_t
get_small_size(size_t ind)
{
return (get_size_impl("arenas.bin.0.size", ind));
}
static size_t
get_large_size(size_t ind)
{
return (get_size_impl("arenas.lrun.0.size", ind));
}
static size_t
get_huge_size(size_t ind)
{
return (get_size_impl("arenas.hchunk.0.size", ind));
}
TEST_BEGIN(test_arena_reset)
{
#define NHUGE 4
unsigned arena_ind, nsmall, nlarge, nhuge, nptrs, i;
size_t sz, miblen;
void **ptrs;
int flags;
size_t mib[3];
tsdn_t *tsdn;
test_skip_if((config_valgrind && unlikely(in_valgrind)) || (config_fill
&& unlikely(opt_quarantine)));
sz = sizeof(unsigned);
assert_d_eq(mallctl("arenas.extend", &arena_ind, &sz, NULL, 0), 0,
"Unexpected mallctl() failure");
flags = MALLOCX_ARENA(arena_ind) | MALLOCX_TCACHE_NONE;
nsmall = get_nsmall();
nlarge = get_nlarge();
nhuge = get_nhuge() > NHUGE ? NHUGE : get_nhuge();
nptrs = nsmall + nlarge + nhuge;
ptrs = (void **)malloc(nptrs * sizeof(void *));
assert_ptr_not_null(ptrs, "Unexpected malloc() failure");
/* Allocate objects with a wide range of sizes. */
for (i = 0; i < nsmall; i++) {
sz = get_small_size(i);
ptrs[i] = mallocx(sz, flags);
assert_ptr_not_null(ptrs[i],
"Unexpected mallocx(%zu, %#x) failure", sz, flags);
}
for (i = 0; i < nlarge; i++) {
sz = get_large_size(i);
ptrs[nsmall + i] = mallocx(sz, flags);
assert_ptr_not_null(ptrs[i],
"Unexpected mallocx(%zu, %#x) failure", sz, flags);
}
for (i = 0; i < nhuge; i++) {
sz = get_huge_size(i);
ptrs[nsmall + nlarge + i] = mallocx(sz, flags);
assert_ptr_not_null(ptrs[i],
"Unexpected mallocx(%zu, %#x) failure", sz, flags);
}
tsdn = tsdn_fetch();
/* Verify allocations. */
for (i = 0; i < nptrs; i++) {
assert_zu_gt(ivsalloc(tsdn, ptrs[i], false), 0,
"Allocation should have queryable size");
}
/* Reset. */
miblen = sizeof(mib)/sizeof(size_t);
assert_d_eq(mallctlnametomib("arena.0.reset", mib, &miblen), 0,
"Unexpected mallctlnametomib() failure");
mib[1] = (size_t)arena_ind;
assert_d_eq(mallctlbymib(mib, miblen, NULL, NULL, NULL, 0), 0,
"Unexpected mallctlbymib() failure");
/* Verify allocations no longer exist. */
for (i = 0; i < nptrs; i++) {
assert_zu_eq(ivsalloc(tsdn, ptrs[i], false), 0,
"Allocation should no longer exist");
}
free(ptrs);
}
TEST_END
int
main(void)
{
return (test(
test_arena_reset));
}
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