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Side by Side Diff: runtime/vm/profiler.h

Issue 2525103003: Retry landing cl for issue with TSAN. (Closed)
Patch Set: Created 4 years 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 #ifndef RUNTIME_VM_PROFILER_H_ 5 #ifndef RUNTIME_VM_PROFILER_H_
6 #define RUNTIME_VM_PROFILER_H_ 6 #define RUNTIME_VM_PROFILER_H_
7 7
8 #include "vm/allocation.h" 8 #include "vm/allocation.h"
9 #include "vm/bitfield.h" 9 #include "vm/bitfield.h"
10 #include "vm/code_observers.h" 10 #include "vm/code_observers.h"
(...skipping 37 matching lines...) Expand 10 before | Expand all | Expand 10 after
48 public: 48 public:
49 static void InitOnce(); 49 static void InitOnce();
50 static void Shutdown(); 50 static void Shutdown();
51 51
52 static void SetSampleDepth(intptr_t depth); 52 static void SetSampleDepth(intptr_t depth);
53 static void SetSamplePeriod(intptr_t period); 53 static void SetSamplePeriod(intptr_t period);
54 54
55 static SampleBuffer* sample_buffer() { return sample_buffer_; } 55 static SampleBuffer* sample_buffer() { return sample_buffer_; }
56 56
57 static void DumpStackTrace(void* context); 57 static void DumpStackTrace(void* context);
58 static void DumpStackTrace(bool native_stack_trace = true); 58 static void DumpStackTrace();
59 59
60 static void SampleAllocation(Thread* thread, intptr_t cid); 60 static void SampleAllocation(Thread* thread, intptr_t cid);
61 61
62 // SampleThread is called from inside the signal handler and hence it is very 62 // SampleThread is called from inside the signal handler and hence it is very
63 // critical that the implementation of SampleThread does not do any of the 63 // critical that the implementation of SampleThread does not do any of the
64 // following: 64 // following:
65 // * Accessing TLS -- Because on Windows the callback will be running in a 65 // * Accessing TLS -- Because on Windows the callback will be running in a
66 // different thread. 66 // different thread.
67 // * Allocating memory -- Because this takes locks which may already be 67 // * Allocating memory -- Because this takes locks which may already be
68 // held, resulting in a dead lock. 68 // held, resulting in a dead lock.
69 // * Taking a lock -- See above. 69 // * Taking a lock -- See above.
70 static void SampleThread(Thread* thread, const InterruptedThreadState& state); 70 static void SampleThread(Thread* thread, const InterruptedThreadState& state);
71 71
72 static ProfilerCounters counters() { 72 static ProfilerCounters counters() {
73 // Copies the counter values. 73 // Copies the counter values.
74 return counters_; 74 return counters_;
75 } 75 }
76 76
77 private: 77 private:
78 static void DumpStackTrace(bool native_stack_trace, 78 static void DumpStackTrace(uword sp, uword fp, uword pc);
79 uword sp,
80 uword fp,
81 uword pc);
82 79
83 // Does not walk the thread's stack. 80 // Does not walk the thread's stack.
84 static void SampleThreadSingleFrame(Thread* thread, uintptr_t pc); 81 static void SampleThreadSingleFrame(Thread* thread, uintptr_t pc);
85 static bool initialized_; 82 static bool initialized_;
86 83
87 static SampleBuffer* sample_buffer_; 84 static SampleBuffer* sample_buffer_;
88 85
89 static ProfilerCounters counters_; 86 static ProfilerCounters counters_;
90 87
91 friend class Thread; 88 friend class Thread;
(...skipping 520 matching lines...) Expand 10 before | Expand all | Expand 10 after
612 private: 609 private:
613 ZoneGrowableArray<ProcessedSample*> samples_; 610 ZoneGrowableArray<ProcessedSample*> samples_;
614 CodeLookupTable* code_lookup_table_; 611 CodeLookupTable* code_lookup_table_;
615 612
616 DISALLOW_COPY_AND_ASSIGN(ProcessedSampleBuffer); 613 DISALLOW_COPY_AND_ASSIGN(ProcessedSampleBuffer);
617 }; 614 };
618 615
619 } // namespace dart 616 } // namespace dart
620 617
621 #endif // RUNTIME_VM_PROFILER_H_ 618 #endif // RUNTIME_VM_PROFILER_H_
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