OLD | NEW |
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "base/tracked_objects.h" | 5 #include "base/tracked_objects.h" |
6 | 6 |
7 #include <limits.h> | 7 #include <limits.h> |
8 #include <stdlib.h> | 8 #include <stdlib.h> |
9 | 9 |
10 #include "base/atomicops.h" | 10 #include "base/atomicops.h" |
(...skipping 58 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
69 // this command-line flag to the "off" value if it's not specified. | 69 // this command-line flag to the "off" value if it's not specified. |
70 // This in turn can be overridden by explicitly calling | 70 // This in turn can be overridden by explicitly calling |
71 // ThreadData::EnableProfilerTiming, say, based on a field trial. | 71 // ThreadData::EnableProfilerTiming, say, based on a field trial. |
72 inline bool IsProfilerTimingEnabled() { | 72 inline bool IsProfilerTimingEnabled() { |
73 // Reading |g_profiler_timing_enabled| is done without barrier because | 73 // Reading |g_profiler_timing_enabled| is done without barrier because |
74 // multiple initialization is not an issue while the barrier can be relatively | 74 // multiple initialization is not an issue while the barrier can be relatively |
75 // costly given that this method is sometimes called in a tight loop. | 75 // costly given that this method is sometimes called in a tight loop. |
76 base::subtle::Atomic32 current_timing_enabled = | 76 base::subtle::Atomic32 current_timing_enabled = |
77 base::subtle::NoBarrier_Load(&g_profiler_timing_enabled); | 77 base::subtle::NoBarrier_Load(&g_profiler_timing_enabled); |
78 if (current_timing_enabled == UNDEFINED_TIMING) { | 78 if (current_timing_enabled == UNDEFINED_TIMING) { |
79 if (!CommandLine::InitializedForCurrentProcess()) | 79 if (!base::CommandLine::InitializedForCurrentProcess()) |
80 return true; | 80 return true; |
81 current_timing_enabled = | 81 current_timing_enabled = |
82 (CommandLine::ForCurrentProcess()->GetSwitchValueASCII( | 82 (base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII( |
83 switches::kProfilerTiming) == | 83 switches::kProfilerTiming) == |
84 switches::kProfilerTimingDisabledValue) | 84 switches::kProfilerTimingDisabledValue) |
85 ? DISABLED_TIMING | 85 ? DISABLED_TIMING |
86 : ENABLED_TIMING; | 86 : ENABLED_TIMING; |
87 base::subtle::NoBarrier_Store(&g_profiler_timing_enabled, | 87 base::subtle::NoBarrier_Store(&g_profiler_timing_enabled, |
88 current_timing_enabled); | 88 current_timing_enabled); |
89 } | 89 } |
90 return current_timing_enabled == ENABLED_TIMING; | 90 return current_timing_enabled == ENABLED_TIMING; |
91 } | 91 } |
92 | 92 |
(...skipping 907 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1000 : process_id(base::GetCurrentProcId()) { | 1000 : process_id(base::GetCurrentProcId()) { |
1001 #else | 1001 #else |
1002 : process_id(0) { | 1002 : process_id(0) { |
1003 #endif | 1003 #endif |
1004 } | 1004 } |
1005 | 1005 |
1006 ProcessDataSnapshot::~ProcessDataSnapshot() { | 1006 ProcessDataSnapshot::~ProcessDataSnapshot() { |
1007 } | 1007 } |
1008 | 1008 |
1009 } // namespace tracked_objects | 1009 } // namespace tracked_objects |
OLD | NEW |