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comparison: js/src/jit/PerfSpewer.h
js/src/jit/PerfSpewer.h
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| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- | |
| 2 * vim: set ts=8 sts=4 et sw=4 tw=99: | |
| 3 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef jit_PerfSpewer_h | |
| 8 #define jit_PerfSpewer_h | |
| 9 | |
| 10 #ifdef JS_ION_PERF | |
| 11 # include <stdio.h> | |
| 12 # include "jit/IonMacroAssembler.h" | |
| 13 #endif | |
| 14 | |
| 15 namespace js { | |
| 16 namespace jit { | |
| 17 | |
| 18 class MBasicBlock; | |
| 19 class MacroAssembler; | |
| 20 | |
| 21 #ifdef JS_ION_PERF | |
| 22 void CheckPerf(); | |
| 23 bool PerfBlockEnabled(); | |
| 24 bool PerfFuncEnabled(); | |
| 25 static inline bool PerfEnabled() { | |
| 26 return PerfBlockEnabled() || PerfFuncEnabled(); | |
| 27 } | |
| 28 #else | |
| 29 static inline void CheckPerf() {} | |
| 30 static inline bool PerfBlockEnabled() { return false; } | |
| 31 static inline bool PerfFuncEnabled() { return false; } | |
| 32 static inline bool PerfEnabled() { return false; } | |
| 33 #endif | |
| 34 | |
| 35 #ifdef JS_ION_PERF | |
| 36 | |
| 37 struct Record { | |
| 38 const char *filename; | |
| 39 unsigned lineNumber; | |
| 40 unsigned columnNumber; | |
| 41 uint32_t id; | |
| 42 Label start, end; | |
| 43 size_t startOffset, endOffset; | |
| 44 | |
| 45 Record(const char *filename, | |
| 46 unsigned lineNumber, | |
| 47 unsigned columnNumber, | |
| 48 uint32_t id) | |
| 49 : filename(filename), lineNumber(lineNumber), | |
| 50 columnNumber(columnNumber), id(id), | |
| 51 startOffset(0u), endOffset(0u) | |
| 52 {} | |
| 53 }; | |
| 54 | |
| 55 typedef Vector<Record, 1, SystemAllocPolicy> BasicBlocksVector; | |
| 56 | |
| 57 class PerfSpewer | |
| 58 { | |
| 59 protected: | |
| 60 static uint32_t nextFunctionIndex; | |
| 61 | |
| 62 public: | |
| 63 Label endInlineCode; | |
| 64 | |
| 65 protected: | |
| 66 BasicBlocksVector basicBlocks_; | |
| 67 | |
| 68 public: | |
| 69 virtual bool startBasicBlock(MBasicBlock *blk, MacroAssembler &masm); | |
| 70 bool endBasicBlock(MacroAssembler &masm); | |
| 71 bool noteEndInlineCode(MacroAssembler &masm); | |
| 72 | |
| 73 void writeProfile(JSScript *script, JitCode *code, MacroAssembler &masm); | |
| 74 }; | |
| 75 | |
| 76 void writePerfSpewerBaselineProfile(JSScript *script, JitCode *code); | |
| 77 void writePerfSpewerJitCodeProfile(JitCode *code, const char *msg); | |
| 78 | |
| 79 class AsmJSPerfSpewer : public PerfSpewer | |
| 80 { | |
| 81 public: | |
| 82 bool startBasicBlock(MBasicBlock *blk, MacroAssembler &masm); | |
| 83 | |
| 84 void noteBlocksOffsets(); | |
| 85 BasicBlocksVector &basicBlocks() { return basicBlocks_; } | |
| 86 }; | |
| 87 | |
| 88 void writePerfSpewerAsmJSFunctionMap(uintptr_t base, uintptr_t size, const char *filename, | |
| 89 unsigned lineno, unsigned colIndex, const char *funcName); | |
| 90 | |
| 91 void writePerfSpewerAsmJSBlocksMap(uintptr_t baseAddress, size_t funcStartOffset, | |
| 92 size_t funcStartOOLOffset, size_t funcSize, | |
| 93 const char *filename, const char *funcName, | |
| 94 const BasicBlocksVector &basicBlocks); | |
| 95 | |
| 96 void writePerfSpewerAsmJSEntriesAndExits(uintptr_t base, size_t size); | |
| 97 | |
| 98 #endif // JS_ION_PERF | |
| 99 | |
| 100 } // namespace jit | |
| 101 } // namespace js | |
| 102 | |
| 103 #endif /* jit_PerfSpewer_h */ |
