diff options
Diffstat (limited to 'chromium/v8/tools/tickprocessor.mjs')
| -rw-r--r-- | chromium/v8/tools/tickprocessor.mjs | 225 |
1 files changed, 111 insertions, 114 deletions
diff --git a/chromium/v8/tools/tickprocessor.mjs b/chromium/v8/tools/tickprocessor.mjs index b5aff3b23f5..5b746d943a5 100644 --- a/chromium/v8/tools/tickprocessor.mjs +++ b/chromium/v8/tools/tickprocessor.mjs @@ -36,31 +36,30 @@ export function inherits(childCtor, parentCtor) { }; -function V8Profile(separateIc, separateBytecodes, separateBuiltins, - separateStubs) { - Profile.call(this); - var regexps = []; - if (!separateIc) regexps.push(V8Profile.IC_RE); - if (!separateBytecodes) regexps.push(V8Profile.BYTECODES_RE); - if (!separateBuiltins) regexps.push(V8Profile.BUILTINS_RE); - if (!separateStubs) regexps.push(V8Profile.STUBS_RE); - if (regexps.length > 0) { - this.skipThisFunction = function(name) { - for (var i=0; i<regexps.length; i++) { - if (regexps[i].test(name)) return true; - } - return false; - }; +class V8Profile extends Profile { + static IC_RE = + /^(LoadGlobalIC: )|(Handler: )|(?:CallIC|LoadIC|StoreIC)|(?:Builtin: (?:Keyed)?(?:Load|Store)IC_)/; + static BYTECODES_RE = /^(BytecodeHandler: )/; + static BUILTINS_RE = /^(Builtin: )/; + static STUBS_RE = /^(Stub: )/; + + constructor(separateIc, separateBytecodes, separateBuiltins, separateStubs) { + super(); + const regexps = []; + if (!separateIc) regexps.push(V8Profile.IC_RE); + if (!separateBytecodes) regexps.push(V8Profile.BYTECODES_RE); + if (!separateBuiltins) regexps.push(V8Profile.BUILTINS_RE); + if (!separateStubs) regexps.push(V8Profile.STUBS_RE); + if (regexps.length > 0) { + this.skipThisFunction = function(name) { + for (let i=0; i<regexps.length; i++) { + if (regexps[i].test(name)) return true; + } + return false; + }; + } } -}; -inherits(V8Profile, Profile); - - -V8Profile.IC_RE = - /^(LoadGlobalIC: )|(Handler: )|(?:CallIC|LoadIC|StoreIC)|(?:Builtin: (?:Keyed)?(?:Load|Store)IC_)/; -V8Profile.BYTECODES_RE = /^(BytecodeHandler: )/ -V8Profile.BUILTINS_RE = /^(Builtin: )/ -V8Profile.STUBS_RE = /^(Stub: )/ +} /** @@ -85,7 +84,7 @@ function parseState(s) { case "~": return Profile.CodeState.OPTIMIZABLE; case "*": return Profile.CodeState.OPTIMIZED; } - throw new Error("unknown code state: " + s); + throw new Error(`unknown code state: ${s}`); } @@ -166,29 +165,29 @@ export function TickProcessor( this.stateFilter_ = stateFilter; this.runtimeTimerFilter_ = runtimeTimerFilter; this.sourceMap = sourceMap; - var ticks = this.ticks_ = + const ticks = this.ticks_ = { total: 0, unaccounted: 0, excluded: 0, gc: 0 }; distortion = parseInt(distortion); // Convert picoseconds to nanoseconds. this.distortion_per_entry = isNaN(distortion) ? 0 : (distortion / 1000); this.distortion = 0; - var rangelimits = range ? range.split(",") : []; - var range_start = parseInt(rangelimits[0]); - var range_end = parseInt(rangelimits[1]); + const rangelimits = range ? range.split(",") : []; + const range_start = parseInt(rangelimits[0]); + const range_end = parseInt(rangelimits[1]); // Convert milliseconds to nanoseconds. this.range_start = isNaN(range_start) ? -Infinity : (range_start * 1000); this.range_end = isNaN(range_end) ? Infinity : (range_end * 1000) V8Profile.prototype.handleUnknownCode = function( operation, addr, opt_stackPos) { - var op = Profile.Operation; + const op = Profile.Operation; switch (operation) { case op.MOVE: - printErr('Code move event for unknown code: 0x' + addr.toString(16)); + printErr(`Code move event for unknown code: 0x${addr.toString(16)}`); break; case op.DELETE: - printErr('Code delete event for unknown code: 0x' + addr.toString(16)); + printErr(`Code delete event for unknown code: 0x${addr.toString(16)}`); break; case op.TICK: // Only unknown PCs (the first frame) are reported as unaccounted, @@ -273,7 +272,7 @@ TickProcessor.prototype.isJsCode = function(name) { TickProcessor.prototype.processLogFile = function(fileName) { this.lastLogFileName_ = fileName; - var line; + let line; while (line = readline()) { this.processLogLine(line); } @@ -283,18 +282,18 @@ TickProcessor.prototype.processLogFile = function(fileName) { TickProcessor.prototype.processLogFileInTest = function(fileName) { // Hack file name to avoid dealing with platform specifics. this.lastLogFileName_ = 'v8.log'; - var contents = readFile(fileName); + const contents = readFile(fileName); this.processLogChunk(contents); }; TickProcessor.prototype.processSharedLibrary = function( name, startAddr, endAddr, aslrSlide) { - var entry = this.profile_.addLibrary(name, startAddr, endAddr, aslrSlide); + const entry = this.profile_.addLibrary(name, startAddr, endAddr, aslrSlide); this.setCodeType(entry.getName(), 'SHARED_LIB'); - var self = this; - var libFuncs = this.cppEntriesProvider_.parseVmSymbols( + const self = this; + const libFuncs = this.cppEntriesProvider_.parseVmSymbols( name, startAddr, endAddr, aslrSlide, function(fName, fStart, fEnd) { self.profile_.addStaticCode(fName, fStart, fEnd); self.setCodeType(fName, 'CPP'); @@ -305,8 +304,8 @@ TickProcessor.prototype.processSharedLibrary = function( TickProcessor.prototype.processCodeCreation = function( type, kind, timestamp, start, size, name, maybe_func) { if (maybe_func.length) { - var funcAddr = parseInt(maybe_func[0]); - var state = parseState(maybe_func[1]); + const funcAddr = parseInt(maybe_func[0]); + const state = parseState(maybe_func[1]); this.profile_.addFuncCode(type, name, timestamp, start, size, funcAddr, state); } else { this.profile_.addCode(type, name, timestamp, start, size); @@ -386,7 +385,7 @@ TickProcessor.prototype.processTick = function(pc, } else if (tos_or_external_callback) { // Find out, if top of stack was pointing inside a JS function // meaning that we have encountered a frameless invocation. - var funcEntry = this.profile_.findEntry(tos_or_external_callback); + const funcEntry = this.profile_.findEntry(tos_or_external_callback); if (!funcEntry || !funcEntry.isJSFunction || !funcEntry.isJSFunction()) { tos_or_external_callback = 0; } @@ -412,14 +411,14 @@ TickProcessor.prototype.processHeapSampleBegin = function(space, state, ticks) { TickProcessor.prototype.processHeapSampleEnd = function(space, state) { if (space != 'Heap' || !this.currentProducerProfile_) return; - print('Generation ' + this.generation_ + ':'); - var tree = this.currentProducerProfile_; + print(`Generation ${this.generation_}:`); + const tree = this.currentProducerProfile_; tree.computeTotalWeights(); - var producersView = this.viewBuilder_.buildView(tree); + const producersView = this.viewBuilder_.buildView(tree); // Sort by total time, desc, then by name, desc. - producersView.sort(function(rec1, rec2) { - return rec2.totalTime - rec1.totalTime || - (rec2.internalFuncName < rec1.internalFuncName ? -1 : 1); }); + producersView.sort((rec1, rec2) => + rec2.totalTime - rec1.totalTime || + (rec2.internalFuncName < rec1.internalFuncName ? -1 : 1) ); this.printHeavyProfile(producersView.head.children); this.currentProducerProfile_ = null; @@ -433,46 +432,46 @@ TickProcessor.prototype.printStatistics = function() { return; } - print('Statistical profiling result from ' + this.lastLogFileName_ + + print(`Statistical profiling result from ${this.lastLogFileName_}` + ', (' + this.ticks_.total + ' ticks, ' + this.ticks_.unaccounted + ' unaccounted, ' + this.ticks_.excluded + ' excluded).'); if (this.ticks_.total == 0) return; - var flatProfile = this.profile_.getFlatProfile(); - var flatView = this.viewBuilder_.buildView(flatProfile); + const flatProfile = this.profile_.getFlatProfile(); + const flatView = this.viewBuilder_.buildView(flatProfile); // Sort by self time, desc, then by name, desc. - flatView.sort(function(rec1, rec2) { - return rec2.selfTime - rec1.selfTime || - (rec2.internalFuncName < rec1.internalFuncName ? -1 : 1); }); - var totalTicks = this.ticks_.total; + flatView.sort((rec1, rec2) => + rec2.selfTime - rec1.selfTime || + (rec2.internalFuncName < rec1.internalFuncName ? -1 : 1) ); + let totalTicks = this.ticks_.total; if (this.ignoreUnknown_) { totalTicks -= this.ticks_.unaccounted; } - var printAllTicks = !this.onlySummary_; + const printAllTicks = !this.onlySummary_; // Count library ticks - var flatViewNodes = flatView.head.children; - var self = this; + const flatViewNodes = flatView.head.children; + const self = this; - var libraryTicks = 0; + let libraryTicks = 0; if(printAllTicks) this.printHeader('Shared libraries'); this.printEntries(flatViewNodes, totalTicks, null, - function(name) { return self.isSharedLibrary(name); }, + name => self.isSharedLibrary(name), function(rec) { libraryTicks += rec.selfTime; }, printAllTicks); - var nonLibraryTicks = totalTicks - libraryTicks; + const nonLibraryTicks = totalTicks - libraryTicks; - var jsTicks = 0; + let jsTicks = 0; if(printAllTicks) this.printHeader('JavaScript'); this.printEntries(flatViewNodes, totalTicks, nonLibraryTicks, - function(name) { return self.isJsCode(name); }, + name => self.isJsCode(name), function(rec) { jsTicks += rec.selfTime; }, printAllTicks); - var cppTicks = 0; + let cppTicks = 0; if(printAllTicks) this.printHeader('C++'); this.printEntries(flatViewNodes, totalTicks, nonLibraryTicks, - function(name) { return self.isCppCode(name); }, + name => self.isCppCode(name), function(rec) { cppTicks += rec.selfTime; }, printAllTicks); this.printHeader('Summary'); @@ -488,22 +487,22 @@ TickProcessor.prototype.printStatistics = function() { if(printAllTicks) { print('\n [C++ entry points]:'); print(' ticks cpp total name'); - var c_entry_functions = this.profile_.getCEntryProfile(); - var total_c_entry = c_entry_functions[0].ticks; - for (var i = 1; i < c_entry_functions.length; i++) { + const c_entry_functions = this.profile_.getCEntryProfile(); + const total_c_entry = c_entry_functions[0].ticks; + for (let i = 1; i < c_entry_functions.length; i++) { const c = c_entry_functions[i]; this.printLine(c.name, c.ticks, total_c_entry, totalTicks); } this.printHeavyProfHeader(); - var heavyProfile = this.profile_.getBottomUpProfile(); - var heavyView = this.viewBuilder_.buildView(heavyProfile); + const heavyProfile = this.profile_.getBottomUpProfile(); + const heavyView = this.viewBuilder_.buildView(heavyProfile); // To show the same percentages as in the flat profile. heavyView.head.totalTime = totalTicks; // Sort by total time, desc, then by name, desc. - heavyView.sort(function(rec1, rec2) { - return rec2.totalTime - rec1.totalTime || - (rec2.internalFuncName < rec1.internalFuncName ? -1 : 1); }); + heavyView.sort((rec1, rec2) => + rec2.totalTime - rec1.totalTime || + (rec2.internalFuncName < rec1.internalFuncName ? -1 : 1) ); this.printHeavyProfile(heavyView.head.children); } }; @@ -512,7 +511,7 @@ TickProcessor.prototype.printStatistics = function() { function padLeft(s, len) { s = s.toString(); if (s.length < len) { - var padLength = len - s.length; + const padLength = len - s.length; if (!(padLength in padLeft)) { padLeft[padLength] = new Array(padLength + 1).join(' '); } @@ -523,18 +522,18 @@ function padLeft(s, len) { TickProcessor.prototype.printHeader = function(headerTitle) { - print('\n [' + headerTitle + ']:'); + print(`\n [${headerTitle}]:`); print(' ticks total nonlib name'); }; TickProcessor.prototype.printLine = function( entry, ticks, totalTicks, nonLibTicks) { - var pct = ticks * 100 / totalTicks; - var nonLibPct = nonLibTicks != null + const pct = ticks * 100 / totalTicks; + const nonLibPct = nonLibTicks != null ? padLeft((ticks * 100 / nonLibTicks).toFixed(1), 5) + '% ' : ' '; - print(' ' + padLeft(ticks, 5) + ' ' + + print(` ${padLeft(ticks, 5)} ` + padLeft(pct.toFixed(1), 5) + '% ' + nonLibPct + entry); @@ -554,8 +553,8 @@ TickProcessor.prototype.printHeavyProfHeader = function() { TickProcessor.prototype.processProfile = function( profile, filterP, func) { - for (var i = 0, n = profile.length; i < n; ++i) { - var rec = profile[i]; + for (let i = 0, n = profile.length; i < n; ++i) { + const rec = profile[i]; if (!filterP(rec.internalFuncName)) { continue; } @@ -564,8 +563,8 @@ TickProcessor.prototype.processProfile = function( }; TickProcessor.prototype.getLineAndColumn = function(name) { - var re = /:([0-9]+):([0-9]+)$/; - var array = re.exec(name); + const re = /:([0-9]+):([0-9]+)$/; + const array = re.exec(name); if (!array) { return null; } @@ -581,28 +580,28 @@ TickProcessor.prototype.formatFunctionName = function(funcName) { if (!this.hasSourceMap()) { return funcName; } - var lc = this.getLineAndColumn(funcName); + const lc = this.getLineAndColumn(funcName); if (lc == null) { return funcName; } // in source maps lines and columns are zero based - var lineNumber = lc.line - 1; - var column = lc.column - 1; - var entry = this.sourceMap.findEntry(lineNumber, column); - var sourceFile = entry[2]; - var sourceLine = entry[3] + 1; - var sourceColumn = entry[4] + 1; + const lineNumber = lc.line - 1; + const column = lc.column - 1; + const entry = this.sourceMap.findEntry(lineNumber, column); + const sourceFile = entry[2]; + const sourceLine = entry[3] + 1; + const sourceColumn = entry[4] + 1; return sourceFile + ':' + sourceLine + ':' + sourceColumn + ' -> ' + funcName; }; TickProcessor.prototype.printEntries = function( profile, totalTicks, nonLibTicks, filterP, callback, printAllTicks) { - var that = this; + const that = this; this.processProfile(profile, filterP, function (rec) { if (rec.selfTime == 0) return; callback(rec); - var funcName = that.formatFunctionName(rec.internalFuncName); + const funcName = that.formatFunctionName(rec.internalFuncName); if(printAllTicks) { that.printLine(funcName, rec.selfTime, totalTicks, nonLibTicks); } @@ -611,14 +610,14 @@ TickProcessor.prototype.printEntries = function( TickProcessor.prototype.printHeavyProfile = function(profile, opt_indent) { - var self = this; - var indent = opt_indent || 0; - var indentStr = padLeft('', indent); - this.processProfile(profile, function() { return true; }, function (rec) { + const self = this; + const indent = opt_indent || 0; + const indentStr = padLeft('', indent); + this.processProfile(profile, () => true, function (rec) { // Cut off too infrequent callers. if (rec.parentTotalPercent < TickProcessor.CALL_PROFILE_CUTOFF_PCT) return; - var funcName = self.formatFunctionName(rec.internalFuncName); - print(' ' + padLeft(rec.totalTime, 5) + ' ' + + const funcName = self.formatFunctionName(rec.internalFuncName); + print(` ${padLeft(rec.totalTime, 5)} ` + padLeft(rec.parentTotalPercent.toFixed(1), 5) + '% ' + indentStr + funcName); // Limit backtrace depth. @@ -641,8 +640,8 @@ CppEntriesProvider.prototype.parseVmSymbols = function( libName, libStart, libEnd, libASLRSlide, processorFunc) { this.loadSymbols(libName); - var lastUnknownSize; - var lastAdded; + let lastUnknownSize; + let lastAdded; function inRange(funcInfo, start, end) { return funcInfo.start >= start && funcInfo.end <= end; @@ -682,7 +681,7 @@ CppEntriesProvider.prototype.parseVmSymbols = function( } while (true) { - var funcInfo = this.parseNextLine(); + const funcInfo = this.parseNextLine(); if (funcInfo === null) { continue; } else if (funcInfo === false) { @@ -707,9 +706,7 @@ CppEntriesProvider.prototype.loadSymbols = function(libName) { }; -CppEntriesProvider.prototype.parseNextLine = function() { - return false; -}; +CppEntriesProvider.prototype.parseNextLine = () => false; export function UnixCppEntriesProvider(nmExec, objdumpExec, targetRootFS, apkEmbeddedLibrary) { @@ -760,17 +757,17 @@ UnixCppEntriesProvider.prototype.parseNextLine = function() { if (this.symbols.length == 0) { return false; } - var lineEndPos = this.symbols[0].indexOf('\n', this.parsePos); + const lineEndPos = this.symbols[0].indexOf('\n', this.parsePos); if (lineEndPos == -1) { this.symbols.shift(); this.parsePos = 0; return this.parseNextLine(); } - var line = this.symbols[0].substring(this.parsePos, lineEndPos); + const line = this.symbols[0].substring(this.parsePos, lineEndPos); this.parsePos = lineEndPos + 1; - var fields = line.match(this.FUNC_RE); - var funcInfo = null; + const fields = line.match(this.FUNC_RE); + let funcInfo = null; if (fields) { funcInfo = { name: fields[3], start: parseInt(fields[1], 16) + this.fileOffsetMinusVma }; if (fields[2]) { @@ -830,9 +827,9 @@ WindowsCppEntriesProvider.EXE_IMAGE_BASE = 0x00400000; WindowsCppEntriesProvider.prototype.loadSymbols = function(libName) { libName = this.targetRootFS + libName; - var fileNameFields = libName.match(WindowsCppEntriesProvider.FILENAME_RE); + const fileNameFields = libName.match(WindowsCppEntriesProvider.FILENAME_RE); if (!fileNameFields) return; - var mapFileName = fileNameFields[1] + '.map'; + const mapFileName = fileNameFields[1] + '.map'; this.moduleType_ = fileNameFields[2].toLowerCase(); try { this.symbols = read(mapFileName); @@ -844,26 +841,26 @@ WindowsCppEntriesProvider.prototype.loadSymbols = function(libName) { WindowsCppEntriesProvider.prototype.parseNextLine = function() { - var lineEndPos = this.symbols.indexOf('\r\n', this.parsePos); + const lineEndPos = this.symbols.indexOf('\r\n', this.parsePos); if (lineEndPos == -1) { return false; } - var line = this.symbols.substring(this.parsePos, lineEndPos); + const line = this.symbols.substring(this.parsePos, lineEndPos); this.parsePos = lineEndPos + 2; // Image base entry is above all other symbols, so we can just // terminate parsing. - var imageBaseFields = line.match(WindowsCppEntriesProvider.IMAGE_BASE_RE); + const imageBaseFields = line.match(WindowsCppEntriesProvider.IMAGE_BASE_RE); if (imageBaseFields) { - var imageBase = parseInt(imageBaseFields[1], 16); + const imageBase = parseInt(imageBaseFields[1], 16); if ((this.moduleType_ == 'exe') != (imageBase == WindowsCppEntriesProvider.EXE_IMAGE_BASE)) { return false; } } - var fields = line.match(WindowsCppEntriesProvider.FUNC_RE); + const fields = line.match(WindowsCppEntriesProvider.FUNC_RE); return fields ? { name: this.unmangleName(fields[1]), start: parseInt(fields[2], 16) } : null; @@ -881,8 +878,8 @@ WindowsCppEntriesProvider.prototype.parseNextLine = function() { WindowsCppEntriesProvider.prototype.unmangleName = function(name) { // Empty or non-mangled name. if (name.length < 1 || name.charAt(0) != '?') return name; - var nameEndPos = name.indexOf('@@'); - var components = name.substring(1, nameEndPos).split('@'); + const nameEndPos = name.indexOf('@@'); + const components = name.substring(1, nameEndPos).split('@'); components.reverse(); return components.join('::'); }; |