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//===-- tsan_bench.cc -----------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of ThreadSanitizer (TSan), a race detector.
//
//===----------------------------------------------------------------------===//
#include "tsan_test_util.h"
#include "tsan_interface.h"
#include "tsan_defs.h"
#include "gtest/gtest.h"
#include <stdint.h>
const int kSize = 128;
const int kRepeat = 2*1024*1024;
void noinstr(void *p) {}
template<typename T, void(*__tsan_mop)(void *p)>
static void Benchmark() {
volatile T data[kSize];
for (int i = 0; i < kRepeat; i++) {
for (int j = 0; j < kSize; j++) {
__tsan_mop((void*)&data[j]);
data[j]++;
}
}
}
TEST(DISABLED_BENCH, Mop1) {
Benchmark<uint8_t, noinstr>();
}
TEST(DISABLED_BENCH, Mop1Read) {
Benchmark<uint8_t, __tsan_read1>();
}
TEST(DISABLED_BENCH, Mop1Write) {
Benchmark<uint8_t, __tsan_write1>();
}
TEST(DISABLED_BENCH, Mop2) {
Benchmark<uint16_t, noinstr>();
}
TEST(DISABLED_BENCH, Mop2Read) {
Benchmark<uint16_t, __tsan_read2>();
}
TEST(DISABLED_BENCH, Mop2Write) {
Benchmark<uint16_t, __tsan_write2>();
}
TEST(DISABLED_BENCH, Mop4) {
Benchmark<uint32_t, noinstr>();
}
TEST(DISABLED_BENCH, Mop4Read) {
Benchmark<uint32_t, __tsan_read4>();
}
TEST(DISABLED_BENCH, Mop4Write) {
Benchmark<uint32_t, __tsan_write4>();
}
TEST(DISABLED_BENCH, Mop8) {
Benchmark<uint8_t, noinstr>();
}
TEST(DISABLED_BENCH, Mop8Read) {
Benchmark<uint64_t, __tsan_read8>();
}
TEST(DISABLED_BENCH, Mop8Write) {
Benchmark<uint64_t, __tsan_write8>();
}
TEST(DISABLED_BENCH, FuncCall) {
for (int i = 0; i < kRepeat; i++) {
for (int j = 0; j < kSize; j++)
__tsan_func_entry((void*)(uintptr_t)j);
for (int j = 0; j < kSize; j++)
__tsan_func_exit();
}
}
TEST(DISABLED_BENCH, MutexLocal) {
Mutex m;
ScopedThread().Create(m);
for (int i = 0; i < 50; i++) {
ScopedThread t;
t.Lock(m);
t.Unlock(m);
}
for (int i = 0; i < 16*1024*1024; i++) {
m.Lock();
m.Unlock();
}
ScopedThread().Destroy(m);
}
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