gecko/xpcom/base/nsMemoryReporterManager.cpp
2011-02-24 11:21:17 -08:00

348 lines
10 KiB
C++

/* -*- 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 <vladimir@pobox.com> (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 <malloc/malloc.h>
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 <windows.h>
#include <psapi.h>
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_IMPL_ISUPPORTS1(nsMemoryReporter, nsIMemoryReporter)
nsMemoryReporter::nsMemoryReporter(nsCString& prefix,
nsCString& path,
nsCString& desc,
PRInt64 memoryUsed)
: mDesc(desc)
, mMemoryUsed(memoryUsed)
{
if (!prefix.IsEmpty()) {
mPath.Append(prefix);
mPath.Append(NS_LITERAL_CSTRING(" - "));
}
mPath.Append(path);
}
nsMemoryReporter::~nsMemoryReporter()
{
}
NS_IMETHODIMP nsMemoryReporter::GetPath(char **aPath)
{
*aPath = strdup(mPath.get());
return NS_OK;
}
NS_IMETHODIMP nsMemoryReporter::GetDescription(char **aDescription)
{
*aDescription = strdup(mDesc.get());
return NS_OK;
}
NS_IMETHODIMP nsMemoryReporter::GetMemoryUsed(PRInt64 *aMemoryUsed)
{
*aMemoryUsed = mMemoryUsed;
return NS_OK;
}
NS_COM nsresult
NS_RegisterMemoryReporter (nsIMemoryReporter *reporter)
{
nsCOMPtr<nsIMemoryReporterManager> 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<nsIMemoryReporterManager> mgr = do_GetService("@mozilla.org/memory-reporter-manager;1");
if (mgr == nsnull)
return NS_ERROR_FAILURE;
return mgr->UnregisterReporter(reporter);
}