tcmalloc_internals_request_job.cc revision 5821806d5e7f356e8fa4b058a389a808ea183019
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/browser/tcmalloc_internals_request_job.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/allocator/allocator_extension.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/common/child_process_messages.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/browser_child_process_host_iterator.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/browser_thread.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/render_process_host.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/common/process_type.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/net_errors.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace content { 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)AboutTcmallocOutputs* AboutTcmallocOutputs::GetInstance() { 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return Singleton<AboutTcmallocOutputs>::get(); 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)AboutTcmallocOutputs::AboutTcmallocOutputs() {} 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)AboutTcmallocOutputs::~AboutTcmallocOutputs() {} 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void AboutTcmallocOutputs::OnStatsForChildProcess( 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::ProcessId pid, ProcessType process_type, 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& output) { 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string header = GetProcessTypeNameInEnglish(process_type); 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::StringAppendF(&header, " PID %d", static_cast<int>(pid)); 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetOutput(header, output); 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void AboutTcmallocOutputs::SetOutput(const std::string& header, 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& output) { 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) outputs_[header] = output; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void AboutTcmallocOutputs::DumpToHTMLTable(std::string* data) { 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data->append("<table width=\"100%\">\n"); 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (AboutTcmallocOutputsType::const_iterator oit = outputs_.begin(); 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) oit != outputs_.end(); 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) oit++) { 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data->append("<tr><td bgcolor=\"yellow\">"); 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data->append(oit->first); 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data->append("</td></tr>\n"); 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data->append("<tr><td><pre>\n"); 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data->append(oit->second); 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data->append("</pre></td></tr>\n"); 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data->append("</table>\n"); 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) outputs_.clear(); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TcmallocInternalsRequestJob::TcmallocInternalsRequestJob( 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) net::URLRequest* request, net::NetworkDelegate* network_delegate) 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : net::URLRequestSimpleJob(request, network_delegate) { 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(USE_TCMALLOC) 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void RequestTcmallocStatsFromChildRenderProcesses() { 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RenderProcessHost::iterator it(RenderProcessHost::AllHostsIterator()); 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while (!it.IsAtEnd()) { 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) it.GetCurrentValue()->Send(new ChildProcessMsg_GetTcmallocStats); 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) it.Advance(); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void AboutTcmalloc(std::string* data) { 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data->append("<!DOCTYPE html>\n<html>\n<head>\n"); 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data->append( 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "<meta http-equiv=\"Content-Security-Policy\" " 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "content=\"object-src 'none'; script-src 'none' 'unsafe-eval'\">"); 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data->append("<title>tcmalloc stats</title>"); 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data->append("</head><body>"); 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Display any stats for which we sent off requests the last time. 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data->append("<p>Stats as of last page load;"); 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data->append("reload to get stats as of this page load.</p>\n"); 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data->append("<table width=\"100%\">\n"); 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AboutTcmallocOutputs::GetInstance()->DumpToHTMLTable(data); 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data->append("</body></html>\n"); 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Populate the collector with stats from the local browser process 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // and send off requests to all the renderer processes. 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) char buffer[1024 * 32]; 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::allocator::GetStats(buffer, sizeof(buffer)); 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string browser("Browser"); 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AboutTcmallocOutputs::GetInstance()->SetOutput(browser, buffer); 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (BrowserChildProcessHostIterator iter; !iter.Done(); ++iter) { 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) iter.Send(new ChildProcessMsg_GetTcmallocStats); 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, base::Bind( 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &RequestTcmallocStatsFromChildRenderProcesses)); 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int TcmallocInternalsRequestJob::GetData( 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string* mime_type, 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string* charset, 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string* data, 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const net::CompletionCallback& callback) const { 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mime_type->assign("text/html"); 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) charset->assign("UTF8"); 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data->clear(); 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(USE_TCMALLOC) 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AboutTcmalloc(data); 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return net::OK; 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace content 122