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Issue 12706020: Isolatify CPU profiler (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Addressed comments Created 7 years, 9 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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1081 } 1081 }
1082 if (v8::Locker::IsActive() && 1082 if (v8::Locker::IsActive() &&
1083 !isolate->thread_manager()->IsLockedByCurrentThread()) { 1083 !isolate->thread_manager()->IsLockedByCurrentThread()) {
1084 return; 1084 return;
1085 } 1085 }
1086 1086
1087 Sampler* sampler = isolate->logger()->sampler(); 1087 Sampler* sampler = isolate->logger()->sampler();
1088 if (sampler == NULL || !sampler->IsActive()) return; 1088 if (sampler == NULL || !sampler->IsActive()) return;
1089 1089
1090 TickSample sample_obj; 1090 TickSample sample_obj;
1091 TickSample* sample = CpuProfiler::TickSampleEvent(isolate); 1091 TickSample* sample = isolate->cpu_profiler()->TickSampleEvent();
1092 if (sample == NULL) sample = &sample_obj; 1092 if (sample == NULL) sample = &sample_obj;
1093 1093
1094 // Extracting the sample from the context is extremely machine dependent. 1094 // Extracting the sample from the context is extremely machine dependent.
1095 ucontext_t* ucontext = reinterpret_cast<ucontext_t*>(context); 1095 ucontext_t* ucontext = reinterpret_cast<ucontext_t*>(context);
1096 mcontext_t& mcontext = ucontext->uc_mcontext; 1096 mcontext_t& mcontext = ucontext->uc_mcontext;
1097 sample->state = isolate->current_vm_state(); 1097 sample->state = isolate->current_vm_state();
1098 #if V8_HOST_ARCH_IA32 1098 #if V8_HOST_ARCH_IA32
1099 sample->pc = reinterpret_cast<Address>(mcontext.gregs[REG_EIP]); 1099 sample->pc = reinterpret_cast<Address>(mcontext.gregs[REG_EIP]);
1100 sample->sp = reinterpret_cast<Address>(mcontext.gregs[REG_ESP]); 1100 sample->sp = reinterpret_cast<Address>(mcontext.gregs[REG_ESP]);
1101 sample->fp = reinterpret_cast<Address>(mcontext.gregs[REG_EBP]); 1101 sample->fp = reinterpret_cast<Address>(mcontext.gregs[REG_EBP]);
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1325 1325
1326 1326
1327 void Sampler::Stop() { 1327 void Sampler::Stop() {
1328 ASSERT(IsActive()); 1328 ASSERT(IsActive());
1329 SignalSender::RemoveActiveSampler(this); 1329 SignalSender::RemoveActiveSampler(this);
1330 SetActive(false); 1330 SetActive(false);
1331 } 1331 }
1332 1332
1333 1333
1334 } } // namespace v8::internal 1334 } } // namespace v8::internal
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