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add leak test

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This commit is contained in:
daan 2020-01-23 19:49:32 -08:00
parent 12701b1aac
commit f8ab4bd7dc
1 changed files with 64 additions and 27 deletions
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89
test/test-stress.c
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@ -37,11 +37,11 @@ static size_t use_one_size = 0; // use single object size of `N * s
#ifdef USE_STD_MALLOC
#define custom_malloc(s) malloc(s)
#define custom_calloc(n,s) calloc(n,s)
#define custom_realloc(p,s) realloc(p,s)
#define custom_free(p) free(p)
#else
#define custom_malloc(s) mi_malloc(s)
#define custom_calloc(n,s) mi_calloc(n,s)
#define custom_realloc(p,s) mi_realloc(p,s)
#define custom_free(p) mi_free(p)
#endif
@ -94,9 +94,12 @@ static void* alloc_items(size_t items, random_t r) {
}
if (items == 40) items++; // pthreads uses that size for stack increases
if (use_one_size > 0) items = (use_one_size / sizeof(uintptr_t));
uintptr_t* p = (uintptr_t*)custom_malloc(items * sizeof(uintptr_t));
if (items==0) items = 1;
uintptr_t* p = (uintptr_t*)custom_calloc(items,sizeof(uintptr_t));
if (p != NULL) {
for (uintptr_t i = 0; i < items; i++) p[i] = (items - i) ^ cookie;
for (uintptr_t i = 0; i < items; i++) {
p[i] = (items - i) ^ cookie;
}
}
return p;
}
@ -126,7 +129,7 @@ static void stress(intptr_t tid) {
void** data = NULL;
size_t data_size = 0;
size_t data_top = 0;
void** retained = (void**)custom_malloc(retain * sizeof(void*));
void** retained = (void**)custom_calloc(retain,sizeof(void*));
size_t retain_top = 0;
while (allocs > 0 || retain > 0) {
@ -171,7 +174,45 @@ static void stress(intptr_t tid) {
//bench_end_thread();
}
static void run_os_threads(size_t nthreads);
static void run_os_threads(size_t nthreads, void (*entry)(intptr_t tid));
static void test_stress(void) {
uintptr_t r = 43 * 43;
for (int n = 0; n < ITER; n++) {
run_os_threads(THREADS, &stress);
for (int i = 0; i < TRANSFERS; i++) {
if (chance(50, &r) || n + 1 == ITER) { // free all on last run, otherwise free half of the transfers
void* p = atomic_exchange_ptr(&transfer[i], NULL);
free_items(p);
}
}
mi_collect(false);
#ifndef NDEBUG
if ((n + 1) % 10 == 0) { printf("- iterations left: %3d\n", ITER - (n + 1)); }
#endif
}
}
static void leak(intptr_t tid) {
uintptr_t r = 43*tid;
void* p = alloc_items(pick(&r)%128, &r);
if (chance(10, &r)) {
intptr_t i = (pick(&r) % TRANSFERS);
void* q = atomic_exchange_ptr(&transfer[i], p);
free_items(q);
}
}
static void test_leak(void) {
for (int n = 0; n < ITER; n++) {
run_os_threads(THREADS, &leak);
mi_collect(false);
#ifndef NDEBUG
//if ((n + 1) % 10 == 0)
{ printf("- iterations left: %3d\n", ITER - (n + 1)); }
#endif
}
}
int main(int argc, char** argv) {
// > mimalloc-test-stress [THREADS] [SCALE] [ITER]
@ -198,19 +239,11 @@ int main(int argc, char** argv) {
// Run ITER full iterations where half the objects in the transfer buffer survive to the next round.
mi_stats_reset();
uintptr_t r = 43 * 43;
for (int n = 0; n < ITER; n++) {
run_os_threads(THREADS);
for (int i = 0; i < TRANSFERS; i++) {
if (chance(50, &r) || n + 1 == ITER) { // free all on last run, otherwise free half of the transfers
void* p = atomic_exchange_ptr(&transfer[i], NULL);
free_items(p);
if (true) {
test_stress();
}
}
mi_collect(false);
#ifndef NDEBUG
if ((n + 1) % 10 == 0) { printf("- iterations left: %3d\n", ITER - (n + 1)); }
#endif
else {
test_leak();
}
mi_collect(true);
@ -220,18 +253,21 @@ int main(int argc, char** argv) {
}
static void (*thread_entry_fun)(intptr_t) = &stress;
#ifdef _WIN32
#include <windows.h>
static DWORD WINAPI thread_entry(LPVOID param) {
stress((intptr_t)param);
thread_entry_fun((intptr_t)param);
return 0;
}
static void run_os_threads(size_t nthreads) {
DWORD* tids = (DWORD*)custom_malloc(nthreads * sizeof(DWORD));
HANDLE* thandles = (HANDLE*)custom_malloc(nthreads * sizeof(HANDLE));
static void run_os_threads(size_t nthreads, void (*fun)(intptr_t)) {
thread_entry_fun = fun;
DWORD* tids = (DWORD*)custom_calloc(nthreads,sizeof(DWORD));
HANDLE* thandles = (HANDLE*)custom_calloc(nthreads,sizeof(HANDLE));
for (uintptr_t i = 0; i < nthreads; i++) {
thandles[i] = CreateThread(0, 4096, &thread_entry, (void*)(i), 0, &tids[i]);
}
@ -246,7 +282,7 @@ static void run_os_threads(size_t nthreads) {
}
static void* atomic_exchange_ptr(volatile void** p, void* newval) {
#if (INTPTR_MAX == UINT32_MAX)
#if (INTPTR_MAX == INT32_MAX)
return (void*)InterlockedExchange((volatile LONG*)p, (LONG)newval);
#else
return (void*)InterlockedExchange64((volatile LONG64*)p, (LONG64)newval);
@ -257,12 +293,13 @@ static void* atomic_exchange_ptr(volatile void** p, void* newval) {
#include <pthread.h>
static void* thread_entry(void* param) {
stress((uintptr_t)param);
thread_entry_fun((uintptr_t)param);
return NULL;
}
static void run_os_threads(size_t nthreads) {
pthread_t* threads = (pthread_t*)custom_malloc(nthreads * sizeof(pthread_t));
static void run_os_threads(size_t nthreads, void (*fun)(intptr_t)) {
thread_entry_fun = fun;
pthread_t* threads = (pthread_t*)custom_calloc(nthreads,sizeof(pthread_t));
memset(threads, 0, sizeof(pthread_t) * nthreads);
//pthread_setconcurrency(nthreads);
for (uintptr_t i = 0; i < nthreads; i++) {