/* * Copyright (c) 2010, Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "ScriptProfiler.h" #include "ScriptString.h" #include namespace WebCore { void ScriptProfiler::start(ScriptState* state, const String& title) { v8::HandleScope hs; v8::CpuProfiler::StartProfiling(v8String(title)); } PassRefPtr ScriptProfiler::stop(ScriptState* state, const String& title) { v8::HandleScope hs; const v8::CpuProfile* profile = state ? v8::CpuProfiler::StopProfiling(v8String(title), state->context()->GetSecurityToken()) : v8::CpuProfiler::StopProfiling(v8String(title)); return profile ? ScriptProfile::create(profile) : 0; } void ScriptProfiler::takeHeapSnapshot() { v8::V8::ResumeProfilerEx(v8::PROFILER_MODULE_HEAP_SNAPSHOT | v8::PROFILER_MODULE_HEAP_STATS | v8::PROFILER_MODULE_JS_CONSTRUCTORS); } long ScriptProfiler::getProfilerLogLines(long position, String* data) { static char buffer[65536]; const int readSize = v8::V8::GetLogLines(position, buffer, sizeof(buffer) - 1); buffer[readSize] = '\0'; position += readSize; *data = buffer; return position; } } // namespace WebCore