test/stress/microbench.c

#include "test/jemalloc_test.h"
#include "test/bench.h"

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;
	}
	TEST_MALLOC_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);
}