diff options
author | thegeorg <[email protected]> | 2023-06-08 13:56:44 +0300 |
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committer | thegeorg <[email protected]> | 2023-06-08 13:56:44 +0300 |
commit | 40479c2d3d1e9bd3eb213aba537570d28d37d8a2 (patch) | |
tree | 9a275dff7a8b4b20f6c7f33022a7ef800d7a4063 /contrib/libs/benchmark/src/timers.cc | |
parent | 74801b5fa21692b9fce51b8096694453568cbf8a (diff) |
Restrict direct usages of google benchmarking library
Forbid PEERDIR-ing Google Benchmark from modules other than G_BENCHMARK.
Diffstat (limited to 'contrib/libs/benchmark/src/timers.cc')
-rw-r--r-- | contrib/libs/benchmark/src/timers.cc | 270 |
1 files changed, 0 insertions, 270 deletions
diff --git a/contrib/libs/benchmark/src/timers.cc b/contrib/libs/benchmark/src/timers.cc deleted file mode 100644 index 0a4da83c190..00000000000 --- a/contrib/libs/benchmark/src/timers.cc +++ /dev/null @@ -1,270 +0,0 @@ -// Copyright 2015 Google Inc. All rights reserved. -// -// 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 "timers.h" - -#include "internal_macros.h" - -#ifdef BENCHMARK_OS_WINDOWS -#include <shlwapi.h> -#undef StrCat // Don't let StrCat in string_util.h be renamed to lstrcatA -#include <versionhelpers.h> -#include <windows.h> -#else -#include <fcntl.h> -#if !defined(BENCHMARK_OS_FUCHSIA) && !defined(BENCHMARK_OS_QURT) -#include <sys/resource.h> -#endif -#include <sys/time.h> -#include <sys/types.h> // this header must be included before 'sys/sysctl.h' to avoid compilation error on FreeBSD -#include <unistd.h> -#if defined BENCHMARK_OS_FREEBSD || defined BENCHMARK_OS_DRAGONFLY || \ - defined BENCHMARK_OS_MACOSX -#include <sys/sysctl.h> -#endif -#if defined(BENCHMARK_OS_MACOSX) -#include <mach/mach_init.h> -#include <mach/mach_port.h> -#include <mach/thread_act.h> -#endif -#if defined(BENCHMARK_OS_QURT) -#error #include <qurt.h> -#endif -#endif - -#ifdef BENCHMARK_OS_EMSCRIPTEN -#error #include <emscripten.h> -#endif - -#include <cerrno> -#include <cstdint> -#include <cstdio> -#include <cstdlib> -#include <cstring> -#include <ctime> -#include <iostream> -#include <limits> -#include <mutex> - -#include "check.h" -#include "log.h" -#include "sleep.h" -#include "string_util.h" - -namespace benchmark { - -// Suppress unused warnings on helper functions. -#if defined(__GNUC__) -#pragma GCC diagnostic ignored "-Wunused-function" -#endif - -namespace { -#if defined(BENCHMARK_OS_WINDOWS) -double MakeTime(FILETIME const& kernel_time, FILETIME const& user_time) { - ULARGE_INTEGER kernel; - ULARGE_INTEGER user; - kernel.HighPart = kernel_time.dwHighDateTime; - kernel.LowPart = kernel_time.dwLowDateTime; - user.HighPart = user_time.dwHighDateTime; - user.LowPart = user_time.dwLowDateTime; - return (static_cast<double>(kernel.QuadPart) + - static_cast<double>(user.QuadPart)) * - 1e-7; -} -#elif !defined(BENCHMARK_OS_FUCHSIA) && !defined(BENCHMARK_OS_QURT) -double MakeTime(struct rusage const& ru) { - return (static_cast<double>(ru.ru_utime.tv_sec) + - static_cast<double>(ru.ru_utime.tv_usec) * 1e-6 + - static_cast<double>(ru.ru_stime.tv_sec) + - static_cast<double>(ru.ru_stime.tv_usec) * 1e-6); -} -#endif -#if defined(BENCHMARK_OS_MACOSX) -double MakeTime(thread_basic_info_data_t const& info) { - return (static_cast<double>(info.user_time.seconds) + - static_cast<double>(info.user_time.microseconds) * 1e-6 + - static_cast<double>(info.system_time.seconds) + - static_cast<double>(info.system_time.microseconds) * 1e-6); -} -#endif -#if defined(CLOCK_PROCESS_CPUTIME_ID) || defined(CLOCK_THREAD_CPUTIME_ID) -double MakeTime(struct timespec const& ts) { - return ts.tv_sec + (static_cast<double>(ts.tv_nsec) * 1e-9); -} -#endif - -BENCHMARK_NORETURN static void DiagnoseAndExit(const char* msg) { - std::cerr << "ERROR: " << msg << std::endl; - std::exit(EXIT_FAILURE); -} - -} // end namespace - -double ProcessCPUUsage() { -#if defined(BENCHMARK_OS_WINDOWS) - HANDLE proc = GetCurrentProcess(); - FILETIME creation_time; - FILETIME exit_time; - FILETIME kernel_time; - FILETIME user_time; - if (GetProcessTimes(proc, &creation_time, &exit_time, &kernel_time, - &user_time)) - return MakeTime(kernel_time, user_time); - DiagnoseAndExit("GetProccessTimes() failed"); -#elif defined(BENCHMARK_OS_QURT) - return static_cast<double>( - qurt_timer_timetick_to_us(qurt_timer_get_ticks())) * - 1.0e-6; -#elif defined(BENCHMARK_OS_EMSCRIPTEN) - // clock_gettime(CLOCK_PROCESS_CPUTIME_ID, ...) returns 0 on Emscripten. - // Use Emscripten-specific API. Reported CPU time would be exactly the - // same as total time, but this is ok because there aren't long-latency - // synchronous system calls in Emscripten. - return emscripten_get_now() * 1e-3; -#elif defined(CLOCK_PROCESS_CPUTIME_ID) && !defined(BENCHMARK_OS_MACOSX) - // FIXME We want to use clock_gettime, but its not available in MacOS 10.11. - // See https://github.com/google/benchmark/pull/292 - struct timespec spec; - if (clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &spec) == 0) - return MakeTime(spec); - DiagnoseAndExit("clock_gettime(CLOCK_PROCESS_CPUTIME_ID, ...) failed"); -#else - struct rusage ru; - if (getrusage(RUSAGE_SELF, &ru) == 0) return MakeTime(ru); - DiagnoseAndExit("getrusage(RUSAGE_SELF, ...) failed"); -#endif -} - -double ThreadCPUUsage() { -#if defined(BENCHMARK_OS_WINDOWS) - HANDLE this_thread = GetCurrentThread(); - FILETIME creation_time; - FILETIME exit_time; - FILETIME kernel_time; - FILETIME user_time; - GetThreadTimes(this_thread, &creation_time, &exit_time, &kernel_time, - &user_time); - return MakeTime(kernel_time, user_time); -#elif defined(BENCHMARK_OS_QURT) - return static_cast<double>( - qurt_timer_timetick_to_us(qurt_timer_get_ticks())) * - 1.0e-6; -#elif defined(BENCHMARK_OS_MACOSX) - // FIXME We want to use clock_gettime, but its not available in MacOS 10.11. - // See https://github.com/google/benchmark/pull/292 - mach_msg_type_number_t count = THREAD_BASIC_INFO_COUNT; - thread_basic_info_data_t info; - mach_port_t thread = pthread_mach_thread_np(pthread_self()); - if (thread_info(thread, THREAD_BASIC_INFO, - reinterpret_cast<thread_info_t>(&info), - &count) == KERN_SUCCESS) { - return MakeTime(info); - } - DiagnoseAndExit("ThreadCPUUsage() failed when evaluating thread_info"); -#elif defined(BENCHMARK_OS_EMSCRIPTEN) - // Emscripten doesn't support traditional threads - return ProcessCPUUsage(); -#elif defined(BENCHMARK_OS_RTEMS) - // RTEMS doesn't support CLOCK_THREAD_CPUTIME_ID. See - // https://github.com/RTEMS/rtems/blob/master/cpukit/posix/src/clockgettime.c - return ProcessCPUUsage(); -#elif defined(BENCHMARK_OS_SOLARIS) - struct rusage ru; - if (getrusage(RUSAGE_LWP, &ru) == 0) return MakeTime(ru); - DiagnoseAndExit("getrusage(RUSAGE_LWP, ...) failed"); -#elif defined(CLOCK_THREAD_CPUTIME_ID) - struct timespec ts; - if (clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts) == 0) return MakeTime(ts); - DiagnoseAndExit("clock_gettime(CLOCK_THREAD_CPUTIME_ID, ...) failed"); -#else -#error Per-thread timing is not available on your system. -#endif -} - -std::string LocalDateTimeString() { - // Write the local time in RFC3339 format yyyy-mm-ddTHH:MM:SS+/-HH:MM. - typedef std::chrono::system_clock Clock; - std::time_t now = Clock::to_time_t(Clock::now()); - const std::size_t kTzOffsetLen = 6; - const std::size_t kTimestampLen = 19; - - std::size_t tz_len; - std::size_t timestamp_len; - long int offset_minutes; - char tz_offset_sign = '+'; - // tz_offset is set in one of three ways: - // * strftime with %z - This either returns empty or the ISO 8601 time. The - // maximum length an - // ISO 8601 string can be is 7 (e.g. -03:30, plus trailing zero). - // * snprintf with %c%02li:%02li - The maximum length is 41 (one for %c, up to - // 19 for %02li, - // one for :, up to 19 %02li, plus trailing zero). - // * A fixed string of "-00:00". The maximum length is 7 (-00:00, plus - // trailing zero). - // - // Thus, the maximum size this needs to be is 41. - char tz_offset[41]; - // Long enough buffer to avoid format-overflow warnings - char storage[128]; - -#if defined(BENCHMARK_OS_WINDOWS) - std::tm* timeinfo_p = ::localtime(&now); -#else - std::tm timeinfo; - std::tm* timeinfo_p = &timeinfo; - ::localtime_r(&now, &timeinfo); -#endif - - tz_len = std::strftime(tz_offset, sizeof(tz_offset), "%z", timeinfo_p); - - if (tz_len < kTzOffsetLen && tz_len > 1) { - // Timezone offset was written. strftime writes offset as +HHMM or -HHMM, - // RFC3339 specifies an offset as +HH:MM or -HH:MM. To convert, we parse - // the offset as an integer, then reprint it to a string. - - offset_minutes = ::strtol(tz_offset, NULL, 10); - if (offset_minutes < 0) { - offset_minutes *= -1; - tz_offset_sign = '-'; - } - - tz_len = - ::snprintf(tz_offset, sizeof(tz_offset), "%c%02li:%02li", - tz_offset_sign, offset_minutes / 100, offset_minutes % 100); - BM_CHECK(tz_len == kTzOffsetLen); - ((void)tz_len); // Prevent unused variable warning in optimized build. - } else { - // Unknown offset. RFC3339 specifies that unknown local offsets should be - // written as UTC time with -00:00 timezone. -#if defined(BENCHMARK_OS_WINDOWS) - // Potential race condition if another thread calls localtime or gmtime. - timeinfo_p = ::gmtime(&now); -#else - ::gmtime_r(&now, &timeinfo); -#endif - - strncpy(tz_offset, "-00:00", kTzOffsetLen + 1); - } - - timestamp_len = - std::strftime(storage, sizeof(storage), "%Y-%m-%dT%H:%M:%S", timeinfo_p); - BM_CHECK(timestamp_len == kTimestampLen); - // Prevent unused variable warning in optimized build. - ((void)kTimestampLen); - - std::strncat(storage, tz_offset, sizeof(storage) - timestamp_len - 1); - return std::string(storage); -} - -} // end namespace benchmark |