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| 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 "ppapi/shared_impl/ppb_trace_event_impl.h" | 5 #include "ppapi/shared_impl/ppb_trace_event_impl.h" |
| 6 | 6 |
| 7 #include "base/basictypes.h" | 7 #include "base/basictypes.h" |
| 8 #include "base/debug/trace_event.h" | 8 #include "base/debug/trace_event.h" |
| 9 #include "base/threading/platform_thread.h" | 9 #include "base/threading/platform_thread.h" |
| 10 #include "ppapi/thunk/thunk.h" | 10 #include "ppapi/thunk/thunk.h" |
| 11 | 11 |
| 12 | |
| 13 namespace ppapi { | 12 namespace ppapi { |
| 14 | 13 |
| 15 // PPB_Trace_Event_Dev is a shared implementation because Trace Events can be | 14 // PPB_Trace_Event_Dev is a shared implementation because Trace Events can be |
| 16 // sent from either the plugin process or renderer process depending on whether | 15 // sent from either the plugin process or renderer process depending on whether |
| 17 // the plugin is in- or out-of-process. Also, for NaCl plugins these functions | 16 // the plugin is in- or out-of-process. Also, for NaCl plugins these functions |
| 18 // will be executed from untrusted code and handled appropriately by tracing | 17 // will be executed from untrusted code and handled appropriately by tracing |
| 19 // functionality in the IRT. | 18 // functionality in the IRT. |
| 20 | 19 |
| 21 // static | 20 // static |
| 22 void* TraceEventImpl::GetCategoryEnabled(const char* category_name) { | 21 void* TraceEventImpl::GetCategoryEnabled(const char* category_name) { |
| 23 // This casting is here because all mem_t return types in Pepper are void* and | 22 // This casting is here because all mem_t return types in Pepper are void* and |
| 24 // non-const. All mem_t parameters are const void* so there is no way to | 23 // non-const. All mem_t parameters are const void* so there is no way to |
| 25 // return a pointer type to the caller without some const_cast. The pointer | 24 // return a pointer type to the caller without some const_cast. The pointer |
| 26 // type the tracing system works with is normally unsigned char*. | 25 // type the tracing system works with is normally unsigned char*. |
| 27 return const_cast<void*>(static_cast<const void*>( | 26 return const_cast<void*>(static_cast<const void*>( |
| 28 base::debug::TraceLog::GetInstance()->GetCategoryGroupEnabled( | 27 base::debug::TraceLog::GetInstance()->GetCategoryGroupEnabled( |
| 29 category_name))); | 28 category_name))); |
| 30 } | 29 } |
| 31 | 30 |
| 32 // static | 31 // static |
| 33 void TraceEventImpl::AddTraceEvent( | 32 void TraceEventImpl::AddTraceEvent(int8_t phase, |
| 34 int8_t phase, | 33 const void* category_enabled, |
| 35 const void* category_enabled, | 34 const char* name, |
| 36 const char* name, | 35 uint64_t id, |
| 37 uint64_t id, | 36 uint32_t num_args, |
| 38 uint32_t num_args, | 37 const char* arg_names[], |
| 39 const char* arg_names[], | 38 const uint8_t arg_types[], |
| 40 const uint8_t arg_types[], | 39 const uint64_t arg_values[], |
| 41 const uint64_t arg_values[], | 40 uint8_t flags) { |
| 42 uint8_t flags) { | |
| 43 | 41 |
| 44 COMPILE_ASSERT(sizeof(unsigned long long) == sizeof(uint64_t), msg); | 42 COMPILE_ASSERT(sizeof(unsigned long long) == sizeof(uint64_t), msg); |
| 45 | 43 |
| 46 base::debug::TraceLog::GetInstance()->AddTraceEvent(phase, | 44 base::debug::TraceLog::GetInstance()->AddTraceEvent( |
| 47 static_cast<const unsigned char*>(category_enabled), name, id, num_args, | 45 phase, |
| 48 arg_names, arg_types, | 46 static_cast<const unsigned char*>(category_enabled), |
| 47 name, |
| 48 id, |
| 49 num_args, |
| 50 arg_names, |
| 51 arg_types, |
| 49 // This cast is necessary for LP64 systems, where uint64_t is defined as | 52 // This cast is necessary for LP64 systems, where uint64_t is defined as |
| 50 // an unsigned long int, but trace_event internals are hermetic and | 53 // an unsigned long int, but trace_event internals are hermetic and |
| 51 // accepts an |unsigned long long*|. The pointer types are compatible but | 54 // accepts an |unsigned long long*|. The pointer types are compatible but |
| 52 // the compiler throws an error without an explicit cast. | 55 // the compiler throws an error without an explicit cast. |
| 53 reinterpret_cast<const unsigned long long*>(arg_values), NULL, flags); | 56 reinterpret_cast<const unsigned long long*>(arg_values), |
| 57 NULL, |
| 58 flags); |
| 54 } | 59 } |
| 55 | 60 |
| 56 // static | 61 // static |
| 57 void TraceEventImpl::AddTraceEventWithThreadIdAndTimestamp( | 62 void TraceEventImpl::AddTraceEventWithThreadIdAndTimestamp( |
| 58 int8_t phase, | 63 int8_t phase, |
| 59 const void* category_enabled, | 64 const void* category_enabled, |
| 60 const char* name, | 65 const char* name, |
| 61 uint64_t id, | 66 uint64_t id, |
| 62 int32_t thread_id, | 67 int32_t thread_id, |
| 63 int64_t timestamp, | 68 int64_t timestamp, |
| 64 uint32_t num_args, | 69 uint32_t num_args, |
| 65 const char* arg_names[], | 70 const char* arg_names[], |
| 66 const uint8_t arg_types[], | 71 const uint8_t arg_types[], |
| 67 const uint64_t arg_values[], | 72 const uint64_t arg_values[], |
| 68 uint8_t flags) { | 73 uint8_t flags) { |
| 69 base::debug::TraceLog::GetInstance()->AddTraceEventWithThreadIdAndTimestamp( | 74 base::debug::TraceLog::GetInstance()->AddTraceEventWithThreadIdAndTimestamp( |
| 70 phase, | 75 phase, |
| 71 static_cast<const unsigned char*>(category_enabled), name, id, | 76 static_cast<const unsigned char*>(category_enabled), |
| 77 name, |
| 78 id, |
| 72 thread_id, | 79 thread_id, |
| 73 base::TimeTicks::FromInternalValue(timestamp), | 80 base::TimeTicks::FromInternalValue(timestamp), |
| 74 num_args, arg_names, arg_types, | 81 num_args, |
| 82 arg_names, |
| 83 arg_types, |
| 75 // This cast is necessary for LP64 systems, where uint64_t is defined as | 84 // This cast is necessary for LP64 systems, where uint64_t is defined as |
| 76 // an unsigned long int, but trace_event internals are hermetic and | 85 // an unsigned long int, but trace_event internals are hermetic and |
| 77 // accepts an |unsigned long long*|. The pointer types are compatible but | 86 // accepts an |unsigned long long*|. The pointer types are compatible but |
| 78 // the compiler throws an error without an explicit cast. | 87 // the compiler throws an error without an explicit cast. |
| 79 reinterpret_cast<const unsigned long long*>(arg_values), NULL, flags); | 88 reinterpret_cast<const unsigned long long*>(arg_values), |
| 89 NULL, |
| 90 flags); |
| 80 } | 91 } |
| 81 | 92 |
| 82 // static | 93 // static |
| 83 int64_t TraceEventImpl::Now() { | 94 int64_t TraceEventImpl::Now() { |
| 84 return base::TimeTicks::NowFromSystemTraceTime().ToInternalValue(); | 95 return base::TimeTicks::NowFromSystemTraceTime().ToInternalValue(); |
| 85 } | 96 } |
| 86 | 97 |
| 87 // static | 98 // static |
| 88 void TraceEventImpl::SetThreadName(const char* thread_name) { | 99 void TraceEventImpl::SetThreadName(const char* thread_name) { |
| 89 base::PlatformThread::SetName(thread_name); | 100 base::PlatformThread::SetName(thread_name); |
| 90 } | 101 } |
| 91 | 102 |
| 92 namespace { | 103 namespace { |
| 93 | 104 |
| 94 const PPB_Trace_Event_Dev_0_1 g_ppb_trace_event_thunk_0_1 = { | 105 const PPB_Trace_Event_Dev_0_1 g_ppb_trace_event_thunk_0_1 = { |
| 95 &TraceEventImpl::GetCategoryEnabled, | 106 &TraceEventImpl::GetCategoryEnabled, &TraceEventImpl::AddTraceEvent, |
| 96 &TraceEventImpl::AddTraceEvent, | 107 &TraceEventImpl::SetThreadName, }; |
| 97 &TraceEventImpl::SetThreadName, | |
| 98 }; | |
| 99 | 108 |
| 100 const PPB_Trace_Event_Dev_0_2 g_ppb_trace_event_thunk_0_2 = { | 109 const PPB_Trace_Event_Dev_0_2 g_ppb_trace_event_thunk_0_2 = { |
| 101 &TraceEventImpl::GetCategoryEnabled, | 110 &TraceEventImpl::GetCategoryEnabled, |
| 102 &TraceEventImpl::AddTraceEvent, | 111 &TraceEventImpl::AddTraceEvent, |
| 103 &TraceEventImpl::AddTraceEventWithThreadIdAndTimestamp, | 112 &TraceEventImpl::AddTraceEventWithThreadIdAndTimestamp, |
| 104 &TraceEventImpl::Now, | 113 &TraceEventImpl::Now, |
| 105 &TraceEventImpl::SetThreadName, | 114 &TraceEventImpl::SetThreadName, }; |
| 106 }; | |
| 107 | 115 |
| 108 } // namespace ppapi | 116 } // namespace ppapi |
| 109 | 117 |
| 110 } // namespace | 118 } // namespace |
| 111 | 119 |
| 112 namespace ppapi { | 120 namespace ppapi { |
| 113 namespace thunk { | 121 namespace thunk { |
| 114 | 122 |
| 115 const PPB_Trace_Event_Dev_0_1* GetPPB_Trace_Event_Dev_0_1_Thunk() { | 123 const PPB_Trace_Event_Dev_0_1* GetPPB_Trace_Event_Dev_0_1_Thunk() { |
| 116 return &g_ppb_trace_event_thunk_0_1; | 124 return &g_ppb_trace_event_thunk_0_1; |
| 117 } | 125 } |
| 118 | 126 |
| 119 const PPB_Trace_Event_Dev_0_2* GetPPB_Trace_Event_Dev_0_2_Thunk() { | 127 const PPB_Trace_Event_Dev_0_2* GetPPB_Trace_Event_Dev_0_2_Thunk() { |
| 120 return &g_ppb_trace_event_thunk_0_2; | 128 return &g_ppb_trace_event_thunk_0_2; |
| 121 } | 129 } |
| 122 | 130 |
| 123 } // namespace thunk | 131 } // namespace thunk |
| 124 } // namespace ppapi | 132 } // namespace ppapi |
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