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Issue 1549993003: Switch to standard integer types in components/, part 4 of 4. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 12 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "components/startup_metric_utils/browser/startup_metric_utils.h" 5 #include "components/startup_metric_utils/browser/startup_metric_utils.h"
6 6
7 #include <stddef.h>
8
7 #include "base/containers/hash_tables.h" 9 #include "base/containers/hash_tables.h"
8 #include "base/environment.h" 10 #include "base/environment.h"
9 #include "base/lazy_instance.h" 11 #include "base/lazy_instance.h"
10 #include "base/logging.h" 12 #include "base/logging.h"
11 #include "base/metrics/histogram_macros.h" 13 #include "base/metrics/histogram_macros.h"
12 #include "base/strings/string_number_conversions.h" 14 #include "base/strings/string_number_conversions.h"
13 #include "base/sys_info.h" 15 #include "base/sys_info.h"
14 #include "base/threading/platform_thread.h" 16 #include "base/threading/platform_thread.h"
15 #include "base/trace_event/trace_event.h" 17 #include "base/trace_event/trace_event.h"
18 #include "build/build_config.h"
16 19
17 #if defined(OS_WIN) 20 #if defined(OS_WIN)
18 #include <winternl.h> 21 #include <winternl.h>
19 #include "base/win/win_util.h" 22 #include "base/win/win_util.h"
20 #include "base/win/windows_version.h" 23 #include "base/win/windows_version.h"
21 #endif 24 #endif
22 25
23 namespace startup_metric_utils { 26 namespace startup_metric_utils {
24 27
25 namespace { 28 namespace {
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220 223
221 // Record time of main entry so it can be read from Telemetry performance tests. 224 // Record time of main entry so it can be read from Telemetry performance tests.
222 // TODO(jeremy): Remove once crbug.com/317481 is fixed. 225 // TODO(jeremy): Remove once crbug.com/317481 is fixed.
223 void RecordMainEntryTimeHistogram() { 226 void RecordMainEntryTimeHistogram() {
224 const int kLowWordMask = 0xFFFFFFFF; 227 const int kLowWordMask = 0xFFFFFFFF;
225 const int kLower31BitsMask = 0x7FFFFFFF; 228 const int kLower31BitsMask = 0x7FFFFFFF;
226 DCHECK(!g_browser_main_entry_point_time.Get().is_null()); 229 DCHECK(!g_browser_main_entry_point_time.Get().is_null());
227 const base::TimeDelta browser_main_entry_time_absolute = 230 const base::TimeDelta browser_main_entry_time_absolute =
228 g_browser_main_entry_point_time.Get() - base::Time::UnixEpoch(); 231 g_browser_main_entry_point_time.Get() - base::Time::UnixEpoch();
229 232
230 const uint64 browser_main_entry_time_raw_ms = 233 const uint64_t browser_main_entry_time_raw_ms =
231 browser_main_entry_time_absolute.InMilliseconds(); 234 browser_main_entry_time_absolute.InMilliseconds();
232 235
233 const base::TimeDelta browser_main_entry_time_raw_ms_high_word = 236 const base::TimeDelta browser_main_entry_time_raw_ms_high_word =
234 base::TimeDelta::FromMilliseconds( 237 base::TimeDelta::FromMilliseconds(
235 (browser_main_entry_time_raw_ms >> 32) & kLowWordMask); 238 (browser_main_entry_time_raw_ms >> 32) & kLowWordMask);
236 // Shift by one because histograms only support non-negative values. 239 // Shift by one because histograms only support non-negative values.
237 const base::TimeDelta browser_main_entry_time_raw_ms_low_word = 240 const base::TimeDelta browser_main_entry_time_raw_ms_low_word =
238 base::TimeDelta::FromMilliseconds( 241 base::TimeDelta::FromMilliseconds(
239 (browser_main_entry_time_raw_ms >> 1) & kLower31BitsMask); 242 (browser_main_entry_time_raw_ms >> 1) & kLower31BitsMask);
240 243
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264 267
265 // Environment variable that stores the timestamp when the executable's main() 268 // Environment variable that stores the timestamp when the executable's main()
266 // function was entered in TimeTicks. This is required because chrome.exe and 269 // function was entered in TimeTicks. This is required because chrome.exe and
267 // chrome.dll don't share the same static storage. 270 // chrome.dll don't share the same static storage.
268 const char kChromeMainTicksEnvVar[] = "CHROME_MAIN_TICKS"; 271 const char kChromeMainTicksEnvVar[] = "CHROME_MAIN_TICKS";
269 272
270 // Returns the time of main entry recorded from RecordExeMainEntryTime. 273 // Returns the time of main entry recorded from RecordExeMainEntryTime.
271 base::TimeTicks ExeMainEntryPointTicks() { 274 base::TimeTicks ExeMainEntryPointTicks() {
272 scoped_ptr<base::Environment> env(base::Environment::Create()); 275 scoped_ptr<base::Environment> env(base::Environment::Create());
273 std::string ticks_string; 276 std::string ticks_string;
274 int64 time_int = 0; 277 int64_t time_int = 0;
275 if (env->GetVar(kChromeMainTicksEnvVar, &ticks_string) && 278 if (env->GetVar(kChromeMainTicksEnvVar, &ticks_string) &&
276 base::StringToInt64(ticks_string, &time_int)) { 279 base::StringToInt64(ticks_string, &time_int)) {
277 return base::TimeTicks::FromInternalValue(time_int); 280 return base::TimeTicks::FromInternalValue(time_int);
278 } 281 }
279 return base::TimeTicks(); 282 return base::TimeTicks();
280 } 283 }
281 284
282 void AddStartupEventsForTelemetry() 285 void AddStartupEventsForTelemetry()
283 { 286 {
284 DCHECK(!g_browser_main_entry_point_ticks.Get().is_null()); 287 DCHECK(!g_browser_main_entry_point_ticks.Get().is_null());
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541 544
542 base::TimeTicks MainEntryPointTicks() { 545 base::TimeTicks MainEntryPointTicks() {
543 return g_browser_main_entry_point_ticks.Get(); 546 return g_browser_main_entry_point_ticks.Get();
544 } 547 }
545 548
546 StartupTemperature GetStartupTemperature() { 549 StartupTemperature GetStartupTemperature() {
547 return g_startup_temperature; 550 return g_startup_temperature;
548 } 551 }
549 552
550 } // namespace startup_metric_utils 553 } // namespace startup_metric_utils
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