summaryrefslogtreecommitdiffstats
path: root/contrib/libs/benchmark/src/timers.cc
diff options
context:
space:
mode:
authorthegeorg <[email protected]>2023-06-08 13:56:44 +0300
committerthegeorg <[email protected]>2023-06-08 13:56:44 +0300
commit40479c2d3d1e9bd3eb213aba537570d28d37d8a2 (patch)
tree9a275dff7a8b4b20f6c7f33022a7ef800d7a4063 /contrib/libs/benchmark/src/timers.cc
parent74801b5fa21692b9fce51b8096694453568cbf8a (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.cc270
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