зеркало из https://github.com/mozilla/pjs.git
296 строки
9.0 KiB
C++
296 строки
9.0 KiB
C++
/* -*- Mode: C++; tab-width: 50; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* mozilla.org
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* Portions created by the Initial Developer are Copyright (C) 2008
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Vladimir Vukicevic <vladimir@pobox.com> (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsCOMPtr.h"
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#include "nsServiceManagerUtils.h"
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#include "nsMemoryReporterManager.h"
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#include "nsArrayEnumerator.h"
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/**
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** memory reporter implementation for jemalloc and OSX malloc,
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** to obtain info on total memory in use (that we know about,
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** at least -- on OSX, there are sometimes other zones in use).
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**/
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#if defined(MOZ_MEMORY)
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# if defined(XP_WIN) || defined(SOLARIS)
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# define HAVE_JEMALLOC_STATS 1
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# include "jemalloc.h"
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# elif defined(XP_LINUX)
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# define HAVE_JEMALLOC_STATS 1
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# include "jemalloc_types.h"
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// jemalloc is directly linked into firefox-bin; libxul doesn't link
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// with it. So if we tried to use jemalloc_stats directly here, it
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// wouldn't be defined. Instead, we don't include the jemalloc header
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// and weakly link against jemalloc_stats.
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//
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// NB: we don't null-check this symbol at runtime because we expect it
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// to have been resolved. If it hasn't, the crash jumping to NULL
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// will indicate the bug.
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extern "C" {
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extern void jemalloc_stats(jemalloc_stats_t* stats)
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NS_VISIBILITY_DEFAULT __attribute__((weak));
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}
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# endif // XP_LINUX
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#endif // MOZ_MEMORY
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#if HAVE_JEMALLOC_STATS
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# define HAVE_MALLOC_REPORTERS 1
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PRInt64 getMallocMapped(void *) {
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jemalloc_stats_t stats;
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jemalloc_stats(&stats);
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return (PRInt64) stats.mapped;
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}
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PRInt64 getMallocAllocated(void *) {
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jemalloc_stats_t stats;
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jemalloc_stats(&stats);
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return (PRInt64) stats.allocated;
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}
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PRInt64 getMallocCommitted(void *) {
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jemalloc_stats_t stats;
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jemalloc_stats(&stats);
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return (PRInt64) stats.committed;
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}
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PRInt64 getMallocDirty(void *) {
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jemalloc_stats_t stats;
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jemalloc_stats(&stats);
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return (PRInt64) stats.dirty;
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}
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#elif defined(XP_MACOSX) && !defined(MOZ_MEMORY)
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#define HAVE_MALLOC_REPORTERS 1
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#include <malloc/malloc.h>
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static PRInt64 getMallocAllocated(void *) {
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struct mstats stats = mstats();
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return (PRInt64) stats.bytes_used;
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}
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static PRInt64 getMallocMapped(void *) {
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struct mstats stats = mstats();
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return (PRInt64) stats.bytes_total;
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}
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static PRInt64 getMallocDefaultCommitted(void *) {
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malloc_statistics_t stats;
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malloc_zone_statistics(malloc_default_zone(), &stats);
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return stats.size_in_use;
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}
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static PRInt64 getMallocDefaultAllocated(void *) {
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malloc_statistics_t stats;
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malloc_zone_statistics(malloc_default_zone(), &stats);
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return stats.size_allocated;
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}
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#endif
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#ifdef HAVE_MALLOC_REPORTERS
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NS_MEMORY_REPORTER_IMPLEMENT(MallocAllocated,
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"malloc/allocated",
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"Malloc bytes allocated (in use by application)",
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getMallocAllocated,
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NULL)
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NS_MEMORY_REPORTER_IMPLEMENT(MallocMapped,
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"malloc/mapped",
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"Malloc bytes mapped (not necessarily committed)",
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getMallocMapped,
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NULL)
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#if defined(HAVE_JEMALLOC_STATS)
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NS_MEMORY_REPORTER_IMPLEMENT(MallocCommitted,
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"malloc/committed",
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"Malloc bytes committed (readable/writable)",
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getMallocCommitted,
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NULL)
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NS_MEMORY_REPORTER_IMPLEMENT(MallocDirty,
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"malloc/dirty",
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"Malloc bytes dirty (committed unused pages)",
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getMallocDirty,
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NULL)
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#elif defined(XP_MACOSX) && !defined(MOZ_MEMORY)
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NS_MEMORY_REPORTER_IMPLEMENT(MallocDefaultCommitted,
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"malloc/zone0/committed",
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"Malloc bytes committed (r/w) in default zone",
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getMallocDefaultCommitted,
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NULL)
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NS_MEMORY_REPORTER_IMPLEMENT(MallocDefaultAllocated,
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"malloc/zone0/allocated",
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"Malloc bytes allocated (in use) in default zone",
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getMallocDefaultAllocated,
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NULL)
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#endif
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#endif
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#if defined(XP_WIN) && !defined(WINCE)
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#include <windows.h>
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#include <psapi.h>
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static PRInt64 GetWin32PrivateBytes(void *) {
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#if MOZ_WINSDK_TARGETVER >= MOZ_NTDDI_LONGHORN
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PROCESS_MEMORY_COUNTERS_EX pmcex;
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pmcex.cb = sizeof(PROCESS_MEMORY_COUNTERS_EX);
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if (!GetProcessMemoryInfo(GetCurrentProcess(),
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(PPROCESS_MEMORY_COUNTERS) &pmcex,
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sizeof(PROCESS_MEMORY_COUNTERS_EX)))
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return 0;
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return pmcex.PrivateUsage;
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#else
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return 0;
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#endif
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}
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static PRInt64 GetWin32WorkingSetSize(void *) {
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PROCESS_MEMORY_COUNTERS pmc;
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pmc.cb = sizeof(PROCESS_MEMORY_COUNTERS);
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if (!GetProcessMemoryInfo(GetCurrentProcess(), &pmc, sizeof(pmc)))
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return 0;
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return pmc.WorkingSetSize;
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}
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NS_MEMORY_REPORTER_IMPLEMENT(Win32WorkingSetSize,
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"win32/workingset",
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"Win32 working set size",
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GetWin32WorkingSetSize,
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nsnull);
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NS_MEMORY_REPORTER_IMPLEMENT(Win32PrivateBytes,
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"win32/privatebytes",
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"Win32 private bytes (cannot be shared with other processes). (Available only on Windows XP SP2 or later.)",
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GetWin32PrivateBytes,
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nsnull);
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#endif
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/**
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** nsMemoryReporterManager implementation
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**/
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NS_IMPL_ISUPPORTS1(nsMemoryReporterManager, nsIMemoryReporterManager)
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NS_IMETHODIMP
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nsMemoryReporterManager::Init()
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{
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/*
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* Register our core reporters
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*/
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#define REGISTER(_x) RegisterReporter(new NS_MEMORY_REPORTER_NAME(_x))
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/*
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* Register our core jemalloc/malloc reporters
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*/
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#ifdef HAVE_MALLOC_REPORTERS
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REGISTER(MallocAllocated);
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REGISTER(MallocMapped);
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#if defined(HAVE_JEMALLOC_STATS)
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REGISTER(MallocCommitted);
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REGISTER(MallocDirty);
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#elif defined(XP_MACOSX) && !defined(MOZ_MEMORY)
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REGISTER(MallocDefaultCommitted);
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REGISTER(MallocDefaultAllocated);
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#endif
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#endif
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#if defined(XP_WIN) && !defined(WINCE)
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#if MOZ_WINSDK_TARGETVER >= MOZ_NTDDI_LONGHORN
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REGISTER(Win32PrivateBytes);
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#endif
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REGISTER(Win32WorkingSetSize);
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#endif
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return NS_OK;
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}
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NS_IMETHODIMP
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nsMemoryReporterManager::EnumerateReporters(nsISimpleEnumerator **result)
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{
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return NS_NewArrayEnumerator(result, mReporters);
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}
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NS_IMETHODIMP
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nsMemoryReporterManager::RegisterReporter(nsIMemoryReporter *reporter)
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{
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if (mReporters.IndexOf(reporter) != -1)
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return NS_ERROR_FAILURE;
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mReporters.AppendObject(reporter);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsMemoryReporterManager::UnregisterReporter(nsIMemoryReporter *reporter)
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{
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if (!mReporters.RemoveObject(reporter))
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return NS_ERROR_FAILURE;
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return NS_OK;
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}
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NS_COM nsresult
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NS_RegisterMemoryReporter (nsIMemoryReporter *reporter)
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{
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nsCOMPtr<nsIMemoryReporterManager> mgr = do_GetService("@mozilla.org/memory-reporter-manager;1");
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if (mgr == nsnull)
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return NS_ERROR_FAILURE;
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return mgr->RegisterReporter(reporter);
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}
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NS_COM nsresult
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NS_UnregisterMemoryReporter (nsIMemoryReporter *reporter)
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{
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nsCOMPtr<nsIMemoryReporterManager> mgr = do_GetService("@mozilla.org/memory-reporter-manager;1");
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if (mgr == nsnull)
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return NS_ERROR_FAILURE;
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return mgr->UnregisterReporter(reporter);
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}
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