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#include "test/jemalloc_test.h"
static inline void
time_func(timedelta_t *timer, uint64_t nwarmup, uint64_t niter,
void (*func)(void)) {
uint64_t i;
for (i = 0; i < nwarmup; i++) {
func();
}
timer_start(timer);
for (i = 0; i < niter; i++) {
func();
}
timer_stop(timer);
}
void
compare_funcs(uint64_t nwarmup, uint64_t niter, const char *name_a,
void (*func_a), const char *name_b, void (*func_b)) {
timedelta_t timer_a, timer_b;
char ratio_buf[6];
void *p;
p = mallocx(1, 0);
if (p == NULL) {
test_fail("Unexpected mallocx() failure");
return;
}
time_func(&timer_a, nwarmup, niter, func_a);
time_func(&timer_b, nwarmup, niter, func_b);
timer_ratio(&timer_a, &timer_b, ratio_buf, sizeof(ratio_buf));
malloc_printf("%"FMTu64" iterations, %s=%"FMTu64"us, "
"%s=%"FMTu64"us, ratio=1:%s\n",
niter, name_a, timer_usec(&timer_a), name_b, timer_usec(&timer_b),
ratio_buf);
dallocx(p, 0);
}
static void
malloc_free(void) {
/* The compiler can optimize away free(malloc(1))! */
void *p = malloc(1);
if (p == NULL) {
test_fail("Unexpected malloc() failure");
return;
}
free(p);
}
static void
mallocx_free(void) {
void *p = mallocx(1, 0);
if (p == NULL) {
test_fail("Unexpected mallocx() failure");
return;
}
free(p);
}
TEST_BEGIN(test_malloc_vs_mallocx) {
compare_funcs(10*1000*1000, 100*1000*1000, "malloc",
malloc_free, "mallocx", mallocx_free);
}
TEST_END
static void
malloc_dallocx(void) {
void *p = malloc(1);
if (p == NULL) {
test_fail("Unexpected malloc() failure");
return;
}
dallocx(p, 0);
}
static void
malloc_sdallocx(void) {
void *p = malloc(1);
if (p == NULL) {
test_fail("Unexpected malloc() failure");
return;
}
sdallocx(p, 1, 0);
}
TEST_BEGIN(test_free_vs_dallocx) {
compare_funcs(10*1000*1000, 100*1000*1000, "free", malloc_free,
"dallocx", malloc_dallocx);
}
TEST_END
TEST_BEGIN(test_dallocx_vs_sdallocx) {
compare_funcs(10*1000*1000, 100*1000*1000, "dallocx", malloc_dallocx,
"sdallocx", malloc_sdallocx);
}
TEST_END
static void
malloc_mus_free(void) {
void *p;
p = malloc(1);
if (p == NULL) {
test_fail("Unexpected malloc() failure");
return;
}
malloc_usable_size(p);
free(p);
}
static void
malloc_sallocx_free(void) {
void *p;
p = malloc(1);
if (p == NULL) {
test_fail("Unexpected malloc() failure");
return;
}
if (sallocx(p, 0) < 1) {
test_fail("Unexpected sallocx() failure");
}
free(p);
}
TEST_BEGIN(test_mus_vs_sallocx) {
compare_funcs(10*1000*1000, 100*1000*1000, "malloc_usable_size",
malloc_mus_free, "sallocx", malloc_sallocx_free);
}
TEST_END
static void
malloc_nallocx_free(void) {
void *p;
p = malloc(1);
if (p == NULL) {
test_fail("Unexpected malloc() failure");
return;
}
if (nallocx(1, 0) < 1) {
test_fail("Unexpected nallocx() failure");
}
free(p);
}
TEST_BEGIN(test_sallocx_vs_nallocx) {
compare_funcs(10*1000*1000, 100*1000*1000, "sallocx",
malloc_sallocx_free, "nallocx", malloc_nallocx_free);
}
TEST_END
int
main(void) {
return test_no_reentrancy(
test_malloc_vs_mallocx,
test_free_vs_dallocx,
test_dallocx_vs_sdallocx,
test_mus_vs_sallocx,
test_sallocx_vs_nallocx);
}
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