#include "test/jemalloc_test.h"
TEST_BEGIN(test_mallctl_errors)
{
uint64_t epoch;
size_t sz;
assert_d_eq(mallctl("no_such_name", NULL, NULL, NULL, 0), ENOENT,
"mallctl() should return ENOENT for non-existent names");
assert_d_eq(mallctl("version", NULL, NULL, "0.0.0", strlen("0.0.0")),
EPERM, "mallctl() should return EPERM on attempt to write "
"read-only value");
assert_d_eq(mallctl("epoch", NULL, NULL, &epoch, sizeof(epoch)-1),
EINVAL, "mallctl() should return EINVAL for input size mismatch");
assert_d_eq(mallctl("epoch", NULL, NULL, &epoch, sizeof(epoch)+1),
EINVAL, "mallctl() should return EINVAL for input size mismatch");
sz = sizeof(epoch)-1;
assert_d_eq(mallctl("epoch", &epoch, &sz, NULL, 0), EINVAL,
"mallctl() should return EINVAL for output size mismatch");
sz = sizeof(epoch)+1;
assert_d_eq(mallctl("epoch", &epoch, &sz, NULL, 0), EINVAL,
"mallctl() should return EINVAL for output size mismatch");
}
TEST_END
TEST_BEGIN(test_mallctlnametomib_errors)
{
size_t mib[1];
size_t miblen;
miblen = sizeof(mib)/sizeof(size_t);
assert_d_eq(mallctlnametomib("no_such_name", mib, &miblen), ENOENT,
"mallctlnametomib() should return ENOENT for non-existent names");
}
TEST_END
TEST_BEGIN(test_mallctlbymib_errors)
{
uint64_t epoch;
size_t sz;
size_t mib[1];
size_t miblen;
miblen = sizeof(mib)/sizeof(size_t);
assert_d_eq(mallctlnametomib("version", mib, &miblen), 0,
"Unexpected mallctlnametomib() failure");
assert_d_eq(mallctlbymib(mib, miblen, NULL, NULL, "0.0.0",
strlen("0.0.0")), EPERM, "mallctl() should return EPERM on "
"attempt to write read-only value");
miblen = sizeof(mib)/sizeof(size_t);
assert_d_eq(mallctlnametomib("epoch", mib, &miblen), 0,
"Unexpected mallctlnametomib() failure");
assert_d_eq(mallctlbymib(mib, miblen, NULL, NULL, &epoch,
sizeof(epoch)-1), EINVAL,
"mallctlbymib() should return EINVAL for input size mismatch");
assert_d_eq(mallctlbymib(mib, miblen, NULL, NULL, &epoch,
sizeof(epoch)+1), EINVAL,
"mallctlbymib() should return EINVAL for input size mismatch");
sz = sizeof(epoch)-1;
assert_d_eq(mallctlbymib(mib, miblen, &epoch, &sz, NULL, 0), EINVAL,
"mallctlbymib() should return EINVAL for output size mismatch");
sz = sizeof(epoch)+1;
assert_d_eq(mallctlbymib(mib, miblen, &epoch, &sz, NULL, 0), EINVAL,
"mallctlbymib() should return EINVAL for output size mismatch");
}
TEST_END
TEST_BEGIN(test_mallctl_read_write)
{
uint64_t old_epoch, new_epoch;
size_t sz = sizeof(old_epoch);
/* Blind. */
assert_d_eq(mallctl("epoch", NULL, NULL, NULL, 0), 0,
"Unexpected mallctl() failure");
assert_zu_eq(sz, sizeof(old_epoch), "Unexpected output size");
/* Read. */
assert_d_eq(mallctl("epoch", &old_epoch, &sz, NULL, 0), 0,
"Unexpected mallctl() failure");
assert_zu_eq(sz, sizeof(old_epoch), "Unexpected output size");
/* Write. */
assert_d_eq(mallctl("epoch", NULL, NULL, &new_epoch, sizeof(new_epoch)),
0, "Unexpected mallctl() failure");
assert_zu_eq(sz, sizeof(old_epoch), "Unexpected output size");
/* Read+write. */
assert_d_eq(mallctl("epoch", &old_epoch, &sz, &new_epoch,
sizeof(new_epoch)), 0, "Unexpected mallctl() failure");
assert_zu_eq(sz, sizeof(old_epoch), "Unexpected output size");
}
TEST_END
TEST_BEGIN(test_mallctlnametomib_short_mib)
{
size_t mib[6];
size_t miblen;
void *mem;
pool_t *pool;
unsigned npools;
size_t sz = sizeof(npools);
mem = calloc(1, POOL_MINIMAL_SIZE);
assert_ptr_ne(mem, NULL, "Unexpected calloc() failure");
pool = je_pool_create(mem, POOL_MINIMAL_SIZE, 1, 1);
assert_ptr_ne((void*)pool, NULL, "Unexpected je_pool_create() failure");
assert_d_eq(mallctl("pools.npools", &npools, &sz, NULL, 0), 0,
"Unexpected mallctl() failure");
assert_u_eq(npools, 2, "Unexpected number of pools");
miblen = 5;
mib[5] = 42;
assert_d_eq(mallctlnametomib("pool.1.arenas.bin.0.nregs", mib, &miblen), 0,
"Unexpected mallctlnametomib() failure");
assert_zu_eq(miblen, 5, "Unexpected mib output length");
assert_zu_eq(mib[5], 42,
"mallctlnametomib() wrote past the end of the input mib");
je_pool_delete(pool);
free(mem);
}
TEST_END
TEST_BEGIN(test_mallctl_config)
{
#define TEST_MALLCTL_CONFIG(config) do { \
bool oldval; \
size_t sz = sizeof(oldval); \
assert_d_eq(mallctl("config."#config, &oldval, &sz, NULL, 0), \
0, "Unexpected mallctl() failure"); \
assert_b_eq(oldval, config_##config, "Incorrect config value"); \
assert_zu_eq(sz, sizeof(oldval), "Unexpected output size"); \
} while (0)
TEST_MALLCTL_CONFIG(debug);
TEST_MALLCTL_CONFIG(fill);
TEST_MALLCTL_CONFIG(lazy_lock);
TEST_MALLCTL_CONFIG(munmap);
TEST_MALLCTL_CONFIG(prof);
TEST_MALLCTL_CONFIG(prof_libgcc);
TEST_MALLCTL_CONFIG(prof_libunwind);
TEST_MALLCTL_CONFIG(stats);
TEST_MALLCTL_CONFIG(tcache);
TEST_MALLCTL_CONFIG(tls);
TEST_MALLCTL_CONFIG(utrace);
TEST_MALLCTL_CONFIG(valgrind);
TEST_MALLCTL_CONFIG(xmalloc);
#undef TEST_MALLCTL_CONFIG
}
TEST_END
TEST_BEGIN(test_mallctl_opt)
{
bool config_always = true;
#define TEST_MALLCTL_OPT(t, opt, config) do { \
t oldval; \
size_t sz = sizeof(oldval); \
int expected = config_##config ? 0 : ENOENT; \
int result = mallctl("opt."#opt, &oldval, &sz, NULL, 0); \
assert_d_eq(result, expected, \
"Unexpected mallctl() result for opt."#opt); \
assert_zu_eq(sz, sizeof(oldval), "Unexpected output size"); \
} while (0)
TEST_MALLCTL_OPT(bool, abort, always);
TEST_MALLCTL_OPT(size_t, lg_chunk, always);
TEST_MALLCTL_OPT(const char *, dss, always);
TEST_MALLCTL_OPT(size_t, narenas, always);
TEST_MALLCTL_OPT(ssize_t, lg_dirty_mult, always);
TEST_MALLCTL_OPT(bool, stats_print, always);
TEST_MALLCTL_OPT(bool, junk, fill);
TEST_MALLCTL_OPT(size_t, quarantine, fill);
TEST_MALLCTL_OPT(bool, redzone, fill);
TEST_MALLCTL_OPT(bool, zero, fill);
TEST_MALLCTL_OPT(bool, utrace, utrace);
TEST_MALLCTL_OPT(bool, xmalloc, xmalloc);
TEST_MALLCTL_OPT(bool, tcache, tcache);
TEST_MALLCTL_OPT(size_t, lg_tcache_max, tcache);
TEST_MALLCTL_OPT(bool, prof, prof);
TEST_MALLCTL_OPT(const char *, prof_prefix, prof);
TEST_MALLCTL_OPT(bool, prof_active, prof);
TEST_MALLCTL_OPT(ssize_t, lg_prof_sample, prof);
TEST_MALLCTL_OPT(bool, prof_accum, prof);
TEST_MALLCTL_OPT(ssize_t, lg_prof_interval, prof);
TEST_MALLCTL_OPT(bool, prof_gdump, prof);
TEST_MALLCTL_OPT(bool, prof_final, prof);
TEST_MALLCTL_OPT(bool, prof_leak, prof);
#undef TEST_MALLCTL_OPT
}
TEST_END
/*
* create a couple of pools and check their size
* using mib feature
*/
TEST_BEGIN(test_mallctl_with_multiple_pools)
{
#define NPOOLS 4
pool_t *pools[NPOOLS];
void *mem;
unsigned npools;
int i;
size_t sz = sizeof(npools);
size_t mib[4], miblen;
mem = calloc(NPOOLS, POOL_MINIMAL_SIZE);
assert_ptr_ne(mem, NULL, "Unexpected calloc() failure");
for (i = 0; i < NPOOLS; ++i) {
pools[i] = je_pool_create( mem + (i*POOL_MINIMAL_SIZE), POOL_MINIMAL_SIZE, 1, 1);
assert_ptr_ne( (void*)pools[i], NULL, "Unexpected je_pool_create() failure");
}
assert_d_eq(mallctl("pools.npools", &npools, &sz, NULL, 0), 0,
"Unexpected mallctl() failure");
assert_u_eq(npools, NPOOLS+1, "Unexpected number of pools");
miblen = 4;
assert_d_eq(mallctlnametomib("pool.0.arenas.narenas", mib, &miblen), 0,
"Unexpected mallctlnametomib() failure");
/*
* This loop does not use local variable pools.
* Moreover we ommit pool[0].
*/
for (i = 1; i <= NPOOLS; ++i) {
unsigned narenas;
mib[1] = i;
sz = sizeof(narenas);
assert_d_eq(mallctlbymib(mib, miblen, &narenas, &sz, NULL, 0),
0, "Unexpected mallctlbymib() failure");
}
for (i = 0; i < NPOOLS; ++i) {
je_pool_delete( pools[i]);
}
free(mem);
#undef NPOOLS
}
TEST_END
TEST_BEGIN(test_manpage_example)
{
unsigned nbins, i;
size_t mib[6];
size_t len, miblen;
len = sizeof(nbins);
assert_d_eq(mallctl("pool.0.arenas.nbins", &nbins, &len, NULL, 0), 0,
"Unexpected mallctl() failure");
miblen = 6;
assert_d_eq(mallctlnametomib("pool.0.arenas.bin.0.size", mib, &miblen), 0,
"Unexpected mallctlnametomib() failure");
for (i = 0; i < nbins; i++) {
size_t bin_size;
mib[4] = i;
len = sizeof(bin_size);
assert_d_eq(mallctlbymib(mib, miblen, &bin_size, &len, NULL, 0),
0, "Unexpected mallctlbymib() failure");
/* Do something with bin_size... */
}
}
TEST_END
TEST_BEGIN(test_thread_arena)
{
unsigned arena_old, arena_new, narenas;
size_t sz = sizeof(unsigned);
assert_d_eq(mallctl("pool.0.arenas.narenas", &narenas, &sz, NULL, 0), 0,
"Unexpected mallctl() failure");
assert_u_eq(narenas, opt_narenas, "Number of arenas incorrect");
arena_new = narenas - 1;
assert_d_eq(mallctl("thread.pool.0.arena", &arena_old, &sz, &arena_new,
sizeof(unsigned)), 0, "Unexpected mallctl() failure");
arena_new = 0;
assert_d_eq(mallctl("thread.pool.0.arena", &arena_old, &sz, &arena_new,
sizeof(unsigned)), 0, "Unexpected mallctl() failure");
}
TEST_END
TEST_BEGIN(test_arena_i_purge)
{
unsigned narenas;
unsigned npools;
size_t sz = sizeof(unsigned);
size_t mib[5];
size_t miblen = 5;
void *mem;
pool_t *pool;
mem = calloc(1, POOL_MINIMAL_SIZE);
assert_ptr_ne(mem, NULL, "Unexpected calloc() failure");
pool = je_pool_create(mem, POOL_MINIMAL_SIZE, 1, 1);
assert_ptr_ne( (void*)pool, NULL, "Unexpected je_pool_create() failure");
assert_d_eq(mallctl("pools.npools", &npools, &sz, NULL, 0), 0,
"Unexpected mallctl() failure");
assert_u_eq(npools, 2, "Unexpected number of pools");
assert_d_eq(mallctl("pool.1.arena.0.purge", NULL, NULL, NULL, 0), 0,
"Unexpected mallctl() failure");
assert_d_eq(mallctl("pool.1.arenas.narenas", &narenas, &sz, NULL, 0), 0,
"Unexpected mallctl() failure");
assert_d_eq(mallctlnametomib("pool.1.arena.0.purge", mib, &miblen), 0,
"Unexpected mallctlnametomib() failure");
mib[3] = narenas;
assert_d_eq(mallctlbymib(mib, miblen, NULL, NULL, NULL, 0), 0,
"Unexpected mallctlbymib() failure");
je_pool_delete(pool);
free(mem);
}
TEST_END
TEST_BEGIN(test_arena_i_dss)
{
const char *dss_prec_old, *dss_prec_new;
size_t sz = sizeof(dss_prec_old);
size_t mib[5];
size_t miblen;
miblen = sizeof(mib)/sizeof(size_t);
assert_d_eq(mallctlnametomib("pool.0.arena.0.dss", mib, &miblen), 0,
"Unexpected mallctlnametomib() error");
dss_prec_new = "disabled";
assert_d_eq(mallctlbymib(mib, miblen, &dss_prec_old, &sz, &dss_prec_new,
sizeof(dss_prec_new)), 0, "Unexpected mallctl() failure");
assert_str_ne(dss_prec_old, "primary",
"Unexpected default for dss precedence");
assert_d_eq(mallctlbymib(mib, miblen, &dss_prec_new, &sz, &dss_prec_old,
sizeof(dss_prec_old)), 0, "Unexpected mallctl() failure");
mib[3] = narenas_total_get(pools[0]);
dss_prec_new = "disabled";
assert_d_eq(mallctlbymib(mib, miblen, &dss_prec_old, &sz, &dss_prec_new,
sizeof(dss_prec_new)), 0, "Unexpected mallctl() failure");
assert_str_ne(dss_prec_old, "primary",
"Unexpected default for dss precedence");
}
TEST_END
TEST_BEGIN(test_arenas_initialized)
{
unsigned narenas;
size_t sz = sizeof(narenas);
assert_d_eq(mallctl("pool.0.arenas.narenas", &narenas, &sz, NULL, 0), 0,
"Unexpected mallctl() failure");
{
VARIABLE_ARRAY(bool, initialized, narenas);
sz = narenas * sizeof(bool);
assert_d_eq(mallctl("pool.0.arenas.initialized", initialized, &sz,
NULL, 0), 0, "Unexpected mallctl() failure");
}
}
TEST_END
TEST_BEGIN(test_arenas_constants)
{
#define TEST_ARENAS_CONSTANT(t, name, expected) do { \
t name; \
size_t sz = sizeof(t); \
assert_d_eq(mallctl("pool.0.arenas."#name, &(name), &sz, NULL, 0), 0, \
"Unexpected mallctl() failure"); \
assert_zu_eq(name, expected, "Incorrect "#name" size"); \
} while (0)
TEST_ARENAS_CONSTANT(size_t, quantum, QUANTUM);
TEST_ARENAS_CONSTANT(size_t, page, PAGE);
TEST_ARENAS_CONSTANT(unsigned, nbins, NBINS);
TEST_ARENAS_CONSTANT(size_t, nlruns, nlclasses);
#undef TEST_ARENAS_CONSTANT
}
TEST_END
TEST_BEGIN(test_arenas_bin_constants)
{
#define TEST_ARENAS_BIN_CONSTANT(t, name, expected) do { \
t name; \
size_t sz = sizeof(t); \
assert_d_eq(mallctl("pool.0.arenas.bin.0."#name, &(name), &sz, NULL, 0), \
0, "Unexpected mallctl() failure"); \
assert_zu_eq(name, expected, "Incorrect "#name" size"); \
} while (0)
TEST_ARENAS_BIN_CONSTANT(size_t, size, arena_bin_info[0].reg_size);
TEST_ARENAS_BIN_CONSTANT(uint32_t, nregs, arena_bin_info[0].nregs);
TEST_ARENAS_BIN_CONSTANT(size_t, run_size, arena_bin_info[0].run_size);
#undef TEST_ARENAS_BIN_CONSTANT
}
TEST_END
TEST_BEGIN(test_arenas_lrun_constants)
{
#define TEST_ARENAS_LRUN_CONSTANT(t, name, expected) do { \
t name; \
size_t sz = sizeof(t); \
assert_d_eq(mallctl("pool.0.arenas.lrun.0."#name, &(name), &sz, NULL, \
0), 0, "Unexpected mallctl() failure"); \
assert_zu_eq(name, expected, "Incorrect "#name" size"); \
} while (0)
TEST_ARENAS_LRUN_CONSTANT(size_t, size, (1 << LG_PAGE));
#undef TEST_ARENAS_LRUN_CONSTANT
}
TEST_END
/*
* create a couple of pools and extend their arenas
*/
TEST_BEGIN(test_arenas_extend)
{
#define NPOOLS 4
pool_t *pools[NPOOLS];
void *mem;
unsigned npools, narenas_before, arena, narenas_after;
int i;
size_t mib_narenas[4],
mib_extend[4],
miblen = sizeof(mib_narenas),
sz = sizeof(unsigned);
mem = calloc(NPOOLS, POOL_MINIMAL_SIZE);
assert_ptr_ne(mem, NULL, "Unexpected calloc() failure");
for (i = 0; i < NPOOLS; ++i) {
pools[i] = je_pool_create(mem + (i*POOL_MINIMAL_SIZE), POOL_MINIMAL_SIZE, 0, 1);
assert_ptr_ne((void *)pools[i], NULL, "Unexpected je_pool_create() failure");
}
assert_d_eq(mallctl("pools.npools", &npools, &sz, NULL, 0), 0,
"Unexpected mallctl() failure");
assert_u_eq(npools, NPOOLS+1, "Unexpected number of pools");
assert_d_eq(mallctlnametomib("pool.0.arenas.narenas", mib_narenas, &miblen), 0,
"Unexpected mallctlnametomib() failure");
assert_d_eq(mallctlnametomib("pool.0.arenas.extend", mib_extend, &miblen), 0,
"Unexpected mallctlnametomib() failure");
/*
* This loop does not use local variable pools.
* Moreover we ommit pool[0].
*/
for (i = 1; i <= NPOOLS; ++i) {
mib_narenas[1] = i;
mib_extend[1] = i;
assert_d_eq(mallctlbymib(mib_narenas, miblen, &narenas_before, &sz, NULL, 0),
0, "Unexpected mallctlbymib() failure");
assert_d_eq(mallctlbymib(mib_extend, miblen, &arena, &sz, NULL, 0),
0, "Unexpected mallctlbymib() failure");
assert_d_eq(mallctlbymib(mib_narenas, miblen, &narenas_after, &sz, NULL, 0),
0, "Unexpected mallctlbymib() failure");
assert_u_eq(narenas_before+1, narenas_after,
"Unexpected number of arenas before versus after extension");
assert_u_eq(arena, narenas_after-1, "Unexpected arena index");
}
for (i = 0; i < NPOOLS; ++i) {
je_pool_delete( pools[i]);
}
free(mem);
#undef NPOOLS
}
TEST_END
TEST_BEGIN(test_stats_arenas)
{
#define TEST_STATS_ARENAS(t, name) do { \
t name; \
size_t sz = sizeof(t); \
assert_d_eq(mallctl("pool.0.stats.arenas.0."#name, &(name), &sz, NULL, \
0), 0, "Unexpected mallctl() failure"); \
} while (0)
TEST_STATS_ARENAS(const char *, dss);
TEST_STATS_ARENAS(unsigned, nthreads);
TEST_STATS_ARENAS(size_t, pactive);
TEST_STATS_ARENAS(size_t, pdirty);
#undef TEST_STATS_ARENAS
}
TEST_END
/*
* Each arena allocates 32 kilobytes of CTL metadata, and since we only
* have 12 megabytes, we have to hard-limit it to a known value, otherwise
* on systems with high CPU count, the tests might run out of memory.
*/
#define NARENAS_IN_POOL 64
int
main(void)
{
opt_narenas = NARENAS_IN_POOL;
return (test(
test_mallctl_errors,
test_mallctlnametomib_errors,
test_mallctlbymib_errors,
test_mallctl_read_write,
test_mallctlnametomib_short_mib,
test_mallctl_config,
test_mallctl_opt,
test_mallctl_with_multiple_pools,
test_manpage_example,
test_thread_arena,
test_arena_i_purge,
test_arena_i_dss,
test_arenas_initialized,
test_arenas_constants,
test_arenas_bin_constants,
test_arenas_lrun_constants,
test_arenas_extend,
test_stats_arenas));
}