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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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 |
11 // with the distribution. | 11 // with the distribution. |
12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
15 // | 15 // |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
| 28 #include "sampler.h" |
| 29 |
28 #if defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__) \ | 30 #if defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__) \ |
29 || defined(__NetBSD__) || defined(__sun) || defined(__ANDROID__) \ | 31 || defined(__NetBSD__) || defined(__sun) || defined(__ANDROID__) \ |
30 || defined(__native_client__) | 32 || defined(__native_client__) |
31 | 33 |
32 #define USE_SIGNALS | 34 #define USE_SIGNALS |
33 | 35 |
34 #include <errno.h> | 36 #include <errno.h> |
35 #include <pthread.h> | 37 #include <pthread.h> |
36 #include <signal.h> | 38 #include <signal.h> |
37 #include <sys/time.h> | 39 #include <sys/time.h> |
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53 #include <mach/mach.h> | 55 #include <mach/mach.h> |
54 | 56 |
55 #elif defined(_WIN32) || defined(_WIN64) || defined(__CYGWIN__) | 57 #elif defined(_WIN32) || defined(_WIN64) || defined(__CYGWIN__) |
56 | 58 |
57 #include "win32-headers.h" | 59 #include "win32-headers.h" |
58 | 60 |
59 #endif | 61 #endif |
60 | 62 |
61 #include "v8.h" | 63 #include "v8.h" |
62 | 64 |
| 65 #include "cpu-profiler.h" |
| 66 #include "flags.h" |
63 #include "frames-inl.h" | 67 #include "frames-inl.h" |
64 #include "log.h" | 68 #include "log.h" |
65 #include "platform.h" | 69 #include "platform.h" |
66 #include "simulator.h" | 70 #include "simulator.h" |
67 #include "v8threads.h" | 71 #include "v8threads.h" |
68 | 72 |
69 | 73 |
70 #if defined(__ANDROID__) && !defined(__BIONIC_HAVE_UCONTEXT_T) | 74 #if defined(__ANDROID__) && !defined(__BIONIC_HAVE_UCONTEXT_T) |
71 | 75 |
72 // Not all versions of Android's C library provide ucontext_t. | 76 // Not all versions of Android's C library provide ucontext_t. |
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684 SamplerThread::RemoveActiveSampler(this); | 688 SamplerThread::RemoveActiveSampler(this); |
685 SetActive(false); | 689 SetActive(false); |
686 } | 690 } |
687 | 691 |
688 void Sampler::SampleStack(TickSample* sample) { | 692 void Sampler::SampleStack(TickSample* sample) { |
689 sample->Trace(isolate_); | 693 sample->Trace(isolate_); |
690 if (++samples_taken_ < 0) samples_taken_ = 0; | 694 if (++samples_taken_ < 0) samples_taken_ = 0; |
691 } | 695 } |
692 | 696 |
693 } } // namespace v8::internal | 697 } } // namespace v8::internal |
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