/* -*- Mode: C++; tab-width: 50; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * mozilla.org * Portions created by the Initial Developer are Copyright (C) 2008 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Vladimir Vukicevic (original author) * * Alternatively, the contents of this file may be used under the terms of * either of the GNU General Public License Version 2 or later (the "GPL"), * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #include "nsCOMPtr.h" #include "nsServiceManagerUtils.h" #include "nsMemoryReporterManager.h" #include "nsArrayEnumerator.h" /** ** memory reporter implementation for jemalloc and OSX malloc, ** to obtain info on total memory in use (that we know about, ** at least -- on OSX, there are sometimes other zones in use). **/ #if defined(MOZ_MEMORY) # if defined(XP_WIN) || defined(SOLARIS) || defined(ANDROID) # define HAVE_JEMALLOC_STATS 1 # include "jemalloc.h" # elif defined(XP_LINUX) # define HAVE_JEMALLOC_STATS 1 # include "jemalloc_types.h" // jemalloc is directly linked into firefox-bin; libxul doesn't link // with it. So if we tried to use jemalloc_stats directly here, it // wouldn't be defined. Instead, we don't include the jemalloc header // and weakly link against jemalloc_stats. extern "C" { extern void jemalloc_stats(jemalloc_stats_t* stats) NS_VISIBILITY_DEFAULT __attribute__((weak)); } # endif // XP_LINUX #endif // MOZ_MEMORY #if HAVE_JEMALLOC_STATS # define HAVE_MALLOC_REPORTERS 1 PRInt64 getMallocMapped(void *) { jemalloc_stats_t stats; jemalloc_stats(&stats); return (PRInt64) stats.mapped; } PRInt64 getMallocAllocated(void *) { jemalloc_stats_t stats; jemalloc_stats(&stats); return (PRInt64) stats.allocated; } PRInt64 getMallocCommitted(void *) { jemalloc_stats_t stats; jemalloc_stats(&stats); return (PRInt64) stats.committed; } PRInt64 getMallocDirty(void *) { jemalloc_stats_t stats; jemalloc_stats(&stats); return (PRInt64) stats.dirty; } #elif defined(XP_MACOSX) && !defined(MOZ_MEMORY) #define HAVE_MALLOC_REPORTERS 1 #include static PRInt64 getMallocAllocated(void *) { struct mstats stats = mstats(); return (PRInt64) stats.bytes_used; } static PRInt64 getMallocMapped(void *) { struct mstats stats = mstats(); return (PRInt64) stats.bytes_total; } static PRInt64 getMallocDefaultCommitted(void *) { malloc_statistics_t stats; malloc_zone_statistics(malloc_default_zone(), &stats); return stats.size_in_use; } static PRInt64 getMallocDefaultAllocated(void *) { malloc_statistics_t stats; malloc_zone_statistics(malloc_default_zone(), &stats); return stats.size_allocated; } #endif #ifdef HAVE_MALLOC_REPORTERS NS_MEMORY_REPORTER_IMPLEMENT(MallocAllocated, "malloc/allocated", "Malloc bytes allocated (in use by application)", getMallocAllocated, NULL) NS_MEMORY_REPORTER_IMPLEMENT(MallocMapped, "malloc/mapped", "Malloc bytes mapped (not necessarily committed)", getMallocMapped, NULL) #if defined(HAVE_JEMALLOC_STATS) NS_MEMORY_REPORTER_IMPLEMENT(MallocCommitted, "malloc/committed", "Malloc bytes committed (readable/writable)", getMallocCommitted, NULL) NS_MEMORY_REPORTER_IMPLEMENT(MallocDirty, "malloc/dirty", "Malloc bytes dirty (committed unused pages)", getMallocDirty, NULL) #elif defined(XP_MACOSX) && !defined(MOZ_MEMORY) NS_MEMORY_REPORTER_IMPLEMENT(MallocDefaultCommitted, "malloc/zone0/committed", "Malloc bytes committed (r/w) in default zone", getMallocDefaultCommitted, NULL) NS_MEMORY_REPORTER_IMPLEMENT(MallocDefaultAllocated, "malloc/zone0/allocated", "Malloc bytes allocated (in use) in default zone", getMallocDefaultAllocated, NULL) #endif #endif #if defined(XP_WIN) && !defined(WINCE) #include #include static PRInt64 GetWin32PrivateBytes(void *) { #if MOZ_WINSDK_TARGETVER >= MOZ_NTDDI_LONGHORN PROCESS_MEMORY_COUNTERS_EX pmcex; pmcex.cb = sizeof(PROCESS_MEMORY_COUNTERS_EX); if (!GetProcessMemoryInfo(GetCurrentProcess(), (PPROCESS_MEMORY_COUNTERS) &pmcex, sizeof(PROCESS_MEMORY_COUNTERS_EX))) return 0; return pmcex.PrivateUsage; #else return 0; #endif } static PRInt64 GetWin32WorkingSetSize(void *) { PROCESS_MEMORY_COUNTERS pmc; pmc.cb = sizeof(PROCESS_MEMORY_COUNTERS); if (!GetProcessMemoryInfo(GetCurrentProcess(), &pmc, sizeof(pmc))) return 0; return pmc.WorkingSetSize; } NS_MEMORY_REPORTER_IMPLEMENT(Win32WorkingSetSize, "win32/workingset", "Win32 working set size", GetWin32WorkingSetSize, nsnull); NS_MEMORY_REPORTER_IMPLEMENT(Win32PrivateBytes, "win32/privatebytes", "Win32 private bytes (cannot be shared with other processes). (Available only on Windows XP SP2 or later.)", GetWin32PrivateBytes, nsnull); #endif /** ** nsMemoryReporterManager implementation **/ NS_IMPL_THREADSAFE_ISUPPORTS1(nsMemoryReporterManager, nsIMemoryReporterManager) NS_IMETHODIMP nsMemoryReporterManager::Init() { #if HAVE_JEMALLOC_STATS && defined(XP_LINUX) if (!jemalloc_stats) return NS_ERROR_FAILURE; #endif /* * Register our core reporters */ #define REGISTER(_x) RegisterReporter(new NS_MEMORY_REPORTER_NAME(_x)) /* * Register our core jemalloc/malloc reporters */ #ifdef HAVE_MALLOC_REPORTERS REGISTER(MallocAllocated); REGISTER(MallocMapped); #if defined(HAVE_JEMALLOC_STATS) REGISTER(MallocCommitted); REGISTER(MallocDirty); #elif defined(XP_MACOSX) && !defined(MOZ_MEMORY) REGISTER(MallocDefaultCommitted); REGISTER(MallocDefaultAllocated); #endif #endif #if defined(XP_WIN) && !defined(WINCE) #if MOZ_WINSDK_TARGETVER >= MOZ_NTDDI_LONGHORN REGISTER(Win32PrivateBytes); #endif REGISTER(Win32WorkingSetSize); #endif return NS_OK; } nsMemoryReporterManager::nsMemoryReporterManager() : mMutex("nsMemoryReporterManager::mMutex") { } nsMemoryReporterManager::~nsMemoryReporterManager() { } NS_IMETHODIMP nsMemoryReporterManager::EnumerateReporters(nsISimpleEnumerator **result) { nsresult rv; mozilla::MutexAutoLock autoLock(mMutex); rv = NS_NewArrayEnumerator(result, mReporters); return rv; } NS_IMETHODIMP nsMemoryReporterManager::RegisterReporter(nsIMemoryReporter *reporter) { mozilla::MutexAutoLock autoLock(mMutex); if (mReporters.IndexOf(reporter) != -1) return NS_ERROR_FAILURE; mReporters.AppendObject(reporter); return NS_OK; } NS_IMETHODIMP nsMemoryReporterManager::UnregisterReporter(nsIMemoryReporter *reporter) { mozilla::MutexAutoLock autoLock(mMutex); if (!mReporters.RemoveObject(reporter)) return NS_ERROR_FAILURE; return NS_OK; } NS_COM nsresult NS_RegisterMemoryReporter (nsIMemoryReporter *reporter) { nsCOMPtr mgr = do_GetService("@mozilla.org/memory-reporter-manager;1"); if (mgr == nsnull) return NS_ERROR_FAILURE; return mgr->RegisterReporter(reporter); } NS_COM nsresult NS_UnregisterMemoryReporter (nsIMemoryReporter *reporter) { nsCOMPtr mgr = do_GetService("@mozilla.org/memory-reporter-manager;1"); if (mgr == nsnull) return NS_ERROR_FAILURE; return mgr->UnregisterReporter(reporter); }