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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "content/browser/tcmalloc_internals_request_job.h" |
| 6 |
| 7 #include "content/common/child_process_messages.h" |
| 8 #include "content/public/browser/browser_child_process_host_iterator.h" |
| 9 #include "content/public/browser/browser_thread.h" |
| 10 #include "content/public/browser/render_process_host.h" |
| 11 #include "content/public/common/process_type.h" |
| 12 |
| 13 #if defined(USE_TCMALLOC) |
| 14 #include "third_party/tcmalloc/chromium/src/gperftools/malloc_extension.h" |
| 15 #endif |
| 16 |
| 17 namespace content { |
| 18 |
| 19 // static |
| 20 AboutTcmallocOutputs* AboutTcmallocOutputs::GetInstance() { |
| 21 return Singleton<AboutTcmallocOutputs>::get(); |
| 22 } |
| 23 |
| 24 AboutTcmallocOutputs::AboutTcmallocOutputs() {} |
| 25 |
| 26 AboutTcmallocOutputs::~AboutTcmallocOutputs() {} |
| 27 |
| 28 void AboutTcmallocOutputs::OnStatsForChildProcess( |
| 29 base::ProcessId pid, ProcessType process_type, |
| 30 const std::string& output) { |
| 31 std::string header = GetProcessTypeNameInEnglish(process_type); |
| 32 base::StringAppendF(&header, " PID %d", static_cast<int>(pid)); |
| 33 SetOutput(header, output); |
| 34 } |
| 35 |
| 36 void AboutTcmallocOutputs::SetOutput(const std::string& header, |
| 37 const std::string& output) { |
| 38 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
| 39 |
| 40 outputs_[header] = output; |
| 41 } |
| 42 |
| 43 void AboutTcmallocOutputs::DumpToHTMLTable(std::string* data) { |
| 44 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
| 45 |
| 46 data->append("<table width=\"100%\">\n"); |
| 47 for (AboutTcmallocOutputsType::const_iterator oit = outputs_.begin(); |
| 48 oit != outputs_.end(); |
| 49 oit++) { |
| 50 data->append("<tr><td bgcolor=\"yellow\">"); |
| 51 data->append(oit->first); |
| 52 data->append("</td></tr>\n"); |
| 53 data->append("<tr><td><pre>\n"); |
| 54 data->append(oit->second); |
| 55 data->append("</pre></td></tr>\n"); |
| 56 } |
| 57 data->append("</table>\n"); |
| 58 outputs_.clear(); |
| 59 } |
| 60 |
| 61 TcmallocInternalsRequestJob::TcmallocInternalsRequestJob( |
| 62 net::URLRequest* request) : net::URLRequestSimpleJob(request) { |
| 63 } |
| 64 |
| 65 #if defined(USE_TCMALLOC) |
| 66 void RequestTcmallocStatsFromChildRenderProcesses() { |
| 67 RenderProcessHost::iterator it(RenderProcessHost::AllHostsIterator()); |
| 68 while (!it.IsAtEnd()) { |
| 69 it.GetCurrentValue()->Send(new ChildProcessMsg_GetTcmallocStats); |
| 70 it.Advance(); |
| 71 } |
| 72 } |
| 73 |
| 74 void AboutTcmalloc(std::string* data) { |
| 75 data->append("<!DOCTYPE html>\n<html>\n<head>\n"); |
| 76 data->append("<title>tcmalloc stats</title>"); |
| 77 data->append("</head><body>"); |
| 78 |
| 79 // Display any stats for which we sent off requests the last time. |
| 80 data->append("<p>Stats as of last page load;"); |
| 81 data->append("reload to get stats as of this page load.</p>\n"); |
| 82 data->append("<table width=\"100%\">\n"); |
| 83 |
| 84 AboutTcmallocOutputs::GetInstance()->DumpToHTMLTable(data); |
| 85 |
| 86 data->append("</body></html>\n"); |
| 87 |
| 88 // Populate the collector with stats from the local browser process |
| 89 // and send off requests to all the renderer processes. |
| 90 char buffer[1024 * 32]; |
| 91 MallocExtension::instance()->GetStats(buffer, sizeof(buffer)); |
| 92 std::string browser("Browser"); |
| 93 AboutTcmallocOutputs::GetInstance()->SetOutput(browser, buffer); |
| 94 |
| 95 for (BrowserChildProcessHostIterator iter; !iter.Done(); ++iter) { |
| 96 iter.Send(new ChildProcessMsg_GetTcmallocStats); |
| 97 } |
| 98 |
| 99 BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, base::Bind( |
| 100 &RequestTcmallocStatsFromChildRenderProcesses)); |
| 101 } |
| 102 #endif |
| 103 |
| 104 bool TcmallocInternalsRequestJob::GetData(std::string* mime_type, |
| 105 std::string* charset, |
| 106 std::string* data) const { |
| 107 mime_type->assign("text/html"); |
| 108 charset->assign("UTF8"); |
| 109 |
| 110 data->clear(); |
| 111 #if defined(USE_TCMALLOC) |
| 112 AboutTcmalloc(data); |
| 113 #endif |
| 114 return true; |
| 115 } |
| 116 |
| 117 } // namespace content |
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Chromium Code Reviews
Issue 10041017:
Show gpu process stats in about:tcmalloc (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src