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118 lines
3.2 KiB
C++
118 lines
3.2 KiB
C++
// processinfo_darwin.cpp
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/* Copyright 2009 10gen Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "../stdafx.h"
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#include "processinfo.h"
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#include "log.h"
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#include <mach/task_info.h>
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#include <mach/mach_init.h>
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#include <mach/mach_host.h>
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#include <mach/mach_traps.h>
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#include <mach/task.h>
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#include <mach/vm_map.h>
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#include <mach/shared_memory_server.h>
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#include <iostream>
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#include <sys/types.h>
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#include <sys/mman.h>
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using namespace std;
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namespace mongo {
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ProcessInfo::ProcessInfo( pid_t pid ) : _pid( pid ){
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}
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ProcessInfo::~ProcessInfo(){
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}
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bool ProcessInfo::supported(){
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return true;
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}
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int ProcessInfo::getVirtualMemorySize(){
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task_t result;
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mach_port_t task;
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if ( ( result = task_for_pid( mach_task_self() , _pid , &task) ) != KERN_SUCCESS ){
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cout << "error getting task\n";
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return 0;
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}
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#if !defined(__LP64__)
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task_basic_info_32 ti;
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#else
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task_basic_info_64 ti;
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#endif
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mach_msg_type_number_t count = TASK_BASIC_INFO_COUNT;
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if ( ( result = task_info( task , TASK_BASIC_INFO , (task_info_t)&ti, &count ) ) != KERN_SUCCESS ){
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cout << "error getting task_info: " << result << endl;
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return 0;
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}
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return (int)((double)ti.virtual_size / (1024.0 * 1024 ) );
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}
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int ProcessInfo::getResidentSize(){
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task_t result;
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mach_port_t task;
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if ( ( result = task_for_pid( mach_task_self() , _pid , &task) ) != KERN_SUCCESS ){
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cout << "error getting task\n";
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return 0;
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}
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#if !defined(__LP64__)
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task_basic_info_32 ti;
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#else
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task_basic_info_64 ti;
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#endif
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mach_msg_type_number_t count = TASK_BASIC_INFO_COUNT;
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if ( ( result = task_info( task , TASK_BASIC_INFO , (task_info_t)&ti, &count ) ) != KERN_SUCCESS ){
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cout << "error getting task_info: " << result << endl;
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return 0;
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}
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return (int)( ti.resident_size / (1024 * 1024 ) );
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}
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void ProcessInfo::getExtraInfo(BSONObjBuilder& info) {}
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bool ProcessInfo::blockCheckSupported(){
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return true;
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}
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bool ProcessInfo::blockInMemory( char * start ){
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static long pageSize = 0;
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if ( pageSize == 0 ){
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pageSize = sysconf( _SC_PAGESIZE );
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}
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start = start - ( (unsigned long long)start % pageSize );
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char x = 0;
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if ( mincore( start , 128 , &x ) ){
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log() << "mincore failed: " << OUTPUT_ERRNO << endl;
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return 1;
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}
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return x & 0x1;
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}
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}
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