| /* |
| * |
| * Copyright 2017 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #include "src/core/lib/gprpp/arena.h" |
| |
| #include <inttypes.h> |
| #include <string.h> |
| |
| #include "absl/strings/str_format.h" |
| #include "absl/strings/str_join.h" |
| |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/string_util.h> |
| #include <grpc/support/sync.h> |
| |
| #include "src/core/lib/gpr/string.h" |
| #include "src/core/lib/gpr/useful.h" |
| #include "src/core/lib/gprpp/thd.h" |
| #include "test/core/util/test_config.h" |
| |
| using grpc_core::Arena; |
| |
| static void test_noop(void) { Arena::Create(1)->Destroy(); } |
| |
| static void test(const char* name, size_t init_size, const size_t* allocs, |
| size_t nallocs) { |
| std::vector<std::string> parts; |
| parts.push_back( |
| absl::StrFormat("test '%s': %" PRIdPTR " <- {", name, init_size)); |
| for (size_t i = 0; i < nallocs; i++) { |
| parts.push_back(absl::StrFormat("%" PRIdPTR ",", allocs[i])); |
| } |
| parts.push_back("}"); |
| std::string s = absl::StrJoin(parts, ""); |
| gpr_log(GPR_INFO, "%s", s.c_str()); |
| |
| Arena* a = Arena::Create(init_size); |
| void** ps = static_cast<void**>(gpr_zalloc(sizeof(*ps) * nallocs)); |
| for (size_t i = 0; i < nallocs; i++) { |
| ps[i] = a->Alloc(allocs[i]); |
| // ensure the returned address is aligned |
| GPR_ASSERT(((intptr_t)ps[i] & 0xf) == 0); |
| // ensure no duplicate results |
| for (size_t j = 0; j < i; j++) { |
| GPR_ASSERT(ps[i] != ps[j]); |
| } |
| // ensure writable |
| memset(ps[i], 1, allocs[i]); |
| } |
| a->Destroy(); |
| gpr_free(ps); |
| } |
| |
| #define TEST(name, init_size, ...) \ |
| static const size_t allocs_##name[] = {__VA_ARGS__}; \ |
| test(#name, init_size, allocs_##name, GPR_ARRAY_SIZE(allocs_##name)) |
| |
| #define CONCURRENT_TEST_THREADS 10 |
| |
| size_t concurrent_test_iterations() { |
| if (sizeof(void*) < 8) return 1000; |
| return 100000; |
| } |
| |
| typedef struct { |
| gpr_event ev_start; |
| Arena* arena; |
| } concurrent_test_args; |
| |
| static void concurrent_test_body(void* arg) { |
| concurrent_test_args* a = static_cast<concurrent_test_args*>(arg); |
| gpr_event_wait(&a->ev_start, gpr_inf_future(GPR_CLOCK_REALTIME)); |
| for (size_t i = 0; i < concurrent_test_iterations(); i++) { |
| *static_cast<char*>(a->arena->Alloc(1)) = static_cast<char>(i); |
| } |
| } |
| |
| static void concurrent_test(void) { |
| gpr_log(GPR_DEBUG, "concurrent_test"); |
| |
| concurrent_test_args args; |
| gpr_event_init(&args.ev_start); |
| args.arena = Arena::Create(1024); |
| |
| grpc_core::Thread thds[CONCURRENT_TEST_THREADS]; |
| |
| for (int i = 0; i < CONCURRENT_TEST_THREADS; i++) { |
| thds[i] = |
| grpc_core::Thread("grpc_concurrent_test", concurrent_test_body, &args); |
| thds[i].Start(); |
| } |
| |
| gpr_event_set(&args.ev_start, (void*)1); |
| |
| for (auto& th : thds) { |
| th.Join(); |
| } |
| |
| args.arena->Destroy(); |
| } |
| |
| int main(int argc, char* argv[]) { |
| grpc::testing::TestEnvironment env(argc, argv); |
| |
| test_noop(); |
| TEST(0_1, 0, 1); |
| TEST(1_1, 1, 1); |
| TEST(1_2, 1, 2); |
| TEST(1_3, 1, 3); |
| TEST(1_inc, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11); |
| TEST(6_123, 6, 1, 2, 3); |
| concurrent_test(); |
| |
| return 0; |
| } |