/* * Copyright (c) 2015 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #include <mach/mach_types.h> #include <kern/task.h> /* task_ledgers */ #include <kern/thread.h> #include <kern/ledger.h> #include <kperf/kperf_arch.h> kern_return_t kperf_get_phys_footprint(task_t task, uint64_t *phys_footprint_out) { kern_return_t kr; ledger_amount_t credit, debit; uint64_t phys_footprint; kr = ledger_get_entries(task->ledger, task_ledgers.internal, &credit, &debit); if (kr == KERN_SUCCESS) { phys_footprint = credit - debit; } else { return kr; } kr = ledger_get_entries(task->ledger, task_ledgers.internal_compressed, &credit, &debit); if (kr == KERN_SUCCESS) { phys_footprint += credit - debit; } else { return kr; } *phys_footprint_out = phys_footprint; return KERN_SUCCESS; }