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| 1 /* | |
| 2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 #include "webrtc/base/cpu_time.h" | |
| 12 #include "webrtc/base/logging.h" | |
| 13 #include "webrtc/base/timeutils.h" | |
| 14 | |
| 15 #if defined(WEBRTC_LINUX) | |
| 16 #include <time.h> | |
| 17 #elif defined(WEBRTC_MAC) | |
| 18 #include <sys/resource.h> | |
| 19 #include <sys/types.h> | |
| 20 #include <sys/times.h> | |
| 21 #include <mach/thread_info.h> | |
| 22 #include <mach/thread_act.h> | |
| 23 #include <mach/mach_init.h> | |
| 24 #include <unistd.h> | |
| 25 #elif defined(WEBRTC_WIN) | |
| 26 #include <windows.h> | |
| 27 #endif | |
| 28 | |
| 29 #if defined(WEBRTC_WIN) | |
| 30 namespace { | |
| 31 // FILETIME resolution is 100 nanosecs. | |
| 32 const int64_t kNanosecsPerFiletime = 100; | |
| 33 } // namespace | |
| 34 #endif | |
| 35 | |
| 36 namespace rtc { | |
| 37 | |
| 38 int64_t GetProcessCpuTimeNanos() { | |
| 39 #if defined(WEBRTC_LINUX) | |
| 40 struct timespec ts; | |
| 41 if (clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts) == 0) { | |
| 42 return ts.tv_sec * kNumNanosecsPerSec + ts.tv_nsec; | |
| 43 } else { | |
| 44 LOG_ERR(LS_ERROR) << "clock_gettime() failed."; | |
| 45 } | |
| 46 #elif defined(WEBRTC_MAC) | |
| 47 struct rusage rusage; | |
| 48 if (getrusage(RUSAGE_SELF, &rusage) == 0) { | |
| 49 return rusage.ru_utime.tv_sec * kNumNanosecsPerSec + | |
| 50 rusage.ru_utime.tv_usec * kNumNanosecsPerMicrosec; | |
| 51 } else { | |
| 52 LOG_ERR(LS_ERROR) << "getrusage() failed."; | |
| 53 } | |
| 54 #elif defined(WEBRTC_WIN) | |
| 55 FILETIME createTime; | |
| 56 FILETIME exitTime; | |
| 57 FILETIME kernelTime; | |
| 58 FILETIME userTime; | |
| 59 if (GetProcessTimes(GetCurrentProcess(), &createTime, &exitTime, &kernelTime, | |
| 60 &userTime) != 0) { | |
| 61 return ((static_cast<uint64_t>(userTime.dwHighDateTime) << 32) + | |
| 62 userTime.dwLowDateTime) * | |
| 63 kNanosecsPerFiletime; | |
| 64 } else { | |
| 65 LOG_ERR(LS_ERROR) << "GetProcessTimes() failed."; | |
| 66 } | |
| 67 #else | |
| 68 // Not implemented yet. | |
| 69 static_assert( | |
| 70 false, "GetProcessCpuTimeNanos() platform support not yet implemented."); | |
| 71 #endif | |
| 72 return -1; | |
| 73 } | |
| 74 | |
| 75 int64_t GetThreadCpuTimeNanos() { | |
| 76 #if defined(WEBRTC_LINUX) | |
| 77 struct timespec ts; | |
| 78 if (clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts) == 0) { | |
| 79 return ts.tv_sec * kNumNanosecsPerSec + ts.tv_nsec; | |
| 80 } else { | |
| 81 LOG_ERR(LS_ERROR) << "clock_gettime() failed."; | |
| 82 } | |
| 83 #elif defined(WEBRTC_MAC) | |
| 84 thread_basic_info_data_t info; | |
| 85 mach_msg_type_number_t count = THREAD_BASIC_INFO_COUNT; | |
| 86 if (thread_info(mach_thread_self(), THREAD_BASIC_INFO, (thread_info_t)&info, | |
| 87 &count) == KERN_SUCCESS) { | |
| 88 return info.user_time.seconds * kNumNanosecsPerSec + | |
| 89 info.user_time.microseconds * kNumNanosecsPerMicrosec; | |
| 90 } else { | |
| 91 LOG_ERR(LS_ERROR) << "thread_info() failed."; | |
| 92 } | |
| 93 #elif defined(WEBRTC_WIN) | |
| 94 FILETIME createTime; | |
| 95 FILETIME exitTime; | |
| 96 FILETIME kernelTime; | |
| 97 FILETIME userTime; | |
| 98 if (GetThreadTimes(GetCurrentThread(), &createTime, &exitTime, &kernelTime, | |
| 99 &userTime) != 0) { | |
| 100 return ((static_cast<uint64_t>(userTime.dwHighDateTime) << 32) + | |
| 101 userTime.dwLowDateTime) * | |
| 102 kNanosecsPerFiletime; | |
| 103 } else { | |
| 104 LOG_ERR(LS_ERROR) << "GetThreadTimes() failed."; | |
| 105 } | |
| 106 #else | |
| 107 // Not implemented yet. | |
| 108 static_assert( | |
| 109 false, "GetProcessCpuTimeNanos() platform support not yet implemented."); | |
| 110 #endif | |
| 111 return -1; | |
| 112 } | |
| 113 | |
| 114 } // namespace rtc | |
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Chromium Code Reviews
Issue 2877023002:
Move webrtc/{base => rtc_base} (Closed)
