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Issue 1412733008: Switch profiler from isolates to threads (Closed) Base URL: git@github.com:dart-lang/sdk.git@master
Patch Set: Created 5 years, 1 month ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #include "platform/globals.h" 5 #include "platform/globals.h"
6 #if defined(TARGET_OS_WINDOWS) 6 #if defined(TARGET_OS_WINDOWS)
7 7
8 #include "vm/flags.h" 8 #include "vm/flags.h"
9 #include "vm/os.h" 9 #include "vm/os.h"
10 #include "vm/profiler.h"
10 #include "vm/thread_interrupter.h" 11 #include "vm/thread_interrupter.h"
11 12
12 namespace dart { 13 namespace dart {
13 14
14 DECLARE_FLAG(bool, thread_interrupter); 15 DECLARE_FLAG(bool, thread_interrupter);
15 DECLARE_FLAG(bool, trace_thread_interrupter); 16 DECLARE_FLAG(bool, trace_thread_interrupter);
16 17
17 #define kThreadError -1 18 #define kThreadError -1
18 19
19 class ThreadInterrupterWin : public AllStatic { 20 class ThreadInterrupterWin : public AllStatic {
(...skipping 42 matching lines...) Expand 10 before | Expand all | Expand 10 after
62 DWORD result = SuspendThread(handle); 63 DWORD result = SuspendThread(handle);
63 if (result == kThreadError) { 64 if (result == kThreadError) {
64 if (FLAG_trace_thread_interrupter) { 65 if (FLAG_trace_thread_interrupter) {
65 OS::Print("ThreadInterrupter failed to suspend thread %p\n", 66 OS::Print("ThreadInterrupter failed to suspend thread %p\n",
66 reinterpret_cast<void*>(thread->id())); 67 reinterpret_cast<void*>(thread->id()));
67 } 68 }
68 CloseHandle(handle); 69 CloseHandle(handle);
69 return; 70 return;
70 } 71 }
71 InterruptedThreadState its; 72 InterruptedThreadState its;
72 its.tid = thread->id();
73 if (!GrabRegisters(handle, &its)) { 73 if (!GrabRegisters(handle, &its)) {
74 // Failed to get thread registers. 74 // Failed to get thread registers.
75 ResumeThread(handle); 75 ResumeThread(handle);
76 if (FLAG_trace_thread_interrupter) { 76 if (FLAG_trace_thread_interrupter) {
77 OS::Print("ThreadInterrupter failed to get registers for %p\n", 77 OS::Print("ThreadInterrupter failed to get registers for %p\n",
78 reinterpret_cast<void*>(thread->id())); 78 reinterpret_cast<void*>(thread->id()));
79 } 79 }
80 CloseHandle(handle); 80 CloseHandle(handle);
81 return; 81 return;
82 } 82 }
83 ThreadInterruptCallback callback = NULL; 83 Profiler::SampleThread(thread, its);
84 void* callback_data = NULL;
85 if (thread->IsThreadInterrupterEnabled(&callback, &callback_data)) {
86 callback(its, callback_data);
87 }
88 ResumeThread(handle); 84 ResumeThread(handle);
89 CloseHandle(handle); 85 CloseHandle(handle);
90 } 86 }
91 }; 87 };
92 88
93 89
94 void ThreadInterrupter::InterruptThread(Thread* thread) { 90 void ThreadInterrupter::InterruptThread(Thread* thread) {
95 if (FLAG_trace_thread_interrupter) { 91 if (FLAG_trace_thread_interrupter) {
96 OS::Print("ThreadInterrupter suspending %p\n", 92 OS::Print("ThreadInterrupter suspending %p\n",
97 reinterpret_cast<void*>(thread->id())); 93 reinterpret_cast<void*>(thread->id()));
(...skipping 13 matching lines...) Expand all
111 107
112 void ThreadInterrupter::RemoveSignalHandler() { 108 void ThreadInterrupter::RemoveSignalHandler() {
113 // Nothing to do on Windows. 109 // Nothing to do on Windows.
114 } 110 }
115 111
116 112
117 } // namespace dart 113 } // namespace dart
118 114
119 #endif // defined(TARGET_OS_WINDOWS) 115 #endif // defined(TARGET_OS_WINDOWS)
120 116
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