gecko/xpcom/base/nsMemoryReporterManager.cpp
2009-10-07 09:54:08 -05:00

241 lines
7.3 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).
**/
/* Because of the way that jemalloc is linked on linux, we can't
* get to jemalloc_stats(). So just do this on Windows until
* that's fixed.
*/
#if defined(MOZ_MEMORY) && defined(XP_WIN)
#define HAVE_JEMALLOC_STATS 1
#else
#undef HAVE_JEMALLOC_STATS
#endif
#if defined(HAVE_JEMALLOC_STATS)
#define HAVE_MALLOC_REPORTERS 1
#include "jemalloc.h"
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
/**
** nsMemoryReporterManager implementation
**/
NS_IMPL_ISUPPORTS1(nsMemoryReporterManager, nsIMemoryReporterManager)
NS_IMETHODIMP
nsMemoryReporterManager::Init()
{
nsCOMPtr<nsIMemoryReporter> mr;
/*
* Register our core jemalloc/malloc reporters
*/
#ifdef HAVE_MALLOC_REPORTERS
mr = new NS_MEMORY_REPORTER_NAME(MallocAllocated);
RegisterReporter(mr);
mr = new NS_MEMORY_REPORTER_NAME(MallocMapped);
RegisterReporter(mr);
#if defined(HAVE_JEMALLOC_STATS)
mr = new NS_MEMORY_REPORTER_NAME(MallocCommitted);
RegisterReporter(mr);
mr = new NS_MEMORY_REPORTER_NAME(MallocDirty);
RegisterReporter(mr);
#elif defined(XP_MACOSX) && !defined(MOZ_MEMORY)
mr = new NS_MEMORY_REPORTER_NAME(MallocDefaultCommitted);
RegisterReporter(mr);
mr = new NS_MEMORY_REPORTER_NAME(MallocDefaultAllocated);
RegisterReporter(mr);
#endif
#endif
return NS_OK;
}
NS_IMETHODIMP
nsMemoryReporterManager::EnumerateReporters(nsISimpleEnumerator **result)
{
return NS_NewArrayEnumerator(result, mReporters);
}
NS_IMETHODIMP
nsMemoryReporterManager::RegisterReporter(nsIMemoryReporter *reporter)
{
if (mReporters.IndexOf(reporter) != -1)
return NS_ERROR_FAILURE;
mReporters.AppendObject(reporter);
return NS_OK;
}
NS_IMETHODIMP
nsMemoryReporterManager::UnregisterReporter(nsIMemoryReporter *reporter)
{
if (!mReporters.RemoveObject(reporter))
return NS_ERROR_FAILURE;
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);
}