| /* |
| * |
| * 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/gpr/arena.h" |
| |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/string_util.h> |
| #include <grpc/support/sync.h> |
| #include <grpc/support/thd.h> |
| #include <inttypes.h> |
| #include <string.h> |
| |
| #include "src/core/lib/gpr/string.h" |
| #include "src/core/lib/gpr/useful.h" |
| #include "test/core/util/test_config.h" |
| |
| static void test_noop(void) { gpr_arena_destroy(gpr_arena_create(1)); } |
| |
| static void test(const char* name, size_t init_size, const size_t* allocs, |
| size_t nallocs) { |
| gpr_strvec v; |
| char* s; |
| gpr_strvec_init(&v); |
| gpr_asprintf(&s, "test '%s': %" PRIdPTR " <- {", name, init_size); |
| gpr_strvec_add(&v, s); |
| for (size_t i = 0; i < nallocs; i++) { |
| gpr_asprintf(&s, "%" PRIdPTR ",", allocs[i]); |
| gpr_strvec_add(&v, s); |
| } |
| gpr_strvec_add(&v, gpr_strdup("}")); |
| s = gpr_strvec_flatten(&v, nullptr); |
| gpr_strvec_destroy(&v); |
| gpr_log(GPR_INFO, "%s", s); |
| gpr_free(s); |
| |
| gpr_arena* a = gpr_arena_create(init_size); |
| void** ps = static_cast<void**>(gpr_zalloc(sizeof(*ps) * nallocs)); |
| for (size_t i = 0; i < nallocs; i++) { |
| ps[i] = gpr_arena_alloc(a, 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]); |
| } |
| gpr_arena_destroy(a); |
| 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 100 |
| |
| size_t concurrent_test_iterations() { |
| if (sizeof(void*) < 8) return 1000; |
| return 100000; |
| } |
| |
| typedef struct { |
| gpr_event ev_start; |
| gpr_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++) { |
| *(char*)gpr_arena_alloc(a->arena, 1) = (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 = gpr_arena_create(1024); |
| |
| gpr_thd_id thds[CONCURRENT_TEST_THREADS]; |
| |
| for (int i = 0; i < CONCURRENT_TEST_THREADS; i++) { |
| gpr_thd_options opt = gpr_thd_options_default(); |
| gpr_thd_options_set_joinable(&opt); |
| gpr_thd_new(&thds[i], "grpc_concurrent_test", concurrent_test_body, &args, |
| &opt); |
| } |
| |
| gpr_event_set(&args.ev_start, (void*)1); |
| |
| for (int i = 0; i < CONCURRENT_TEST_THREADS; i++) { |
| gpr_thd_join(thds[i]); |
| } |
| |
| gpr_arena_destroy(args.arena); |
| } |
| |
| int main(int argc, char* argv[]) { |
| grpc_test_init(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; |
| } |