memlog.h

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
#ifndef _MEMLOG_H
#define _MEMLOG_H
#include <config.h>
 
#if MEMORY_LOGGING_ENABLED
 
#include "pedigree/kernel/TargetInfo.h"
 
#ifndef _MACHINE_H
#define MACHINE_FORWARD_DECL_ONLY
#include "pedigree/kernel/machine/Machine.h"
#include "pedigree/kernel/machine/Serial.h"
#endif
 
#define DUMP_MEM_INFO                                                                             \
  do {                                                                                            \
    extern size_t g_FreePages;                                                                    \
    extern size_t g_AllocedPages;                                                                 \
    Serial* pSerial = Machine::instance().getSerial(1);                                           \
    NormalStaticString str;                                                                       \
    str += "Heap: ";                                                                              \
    str += (reinterpret_cast<uintptr_t>(VirtualAddressSpace::getKernelAddressSpace().m_HeapEnd) - \
            0xC0000000) /                                                                         \
           1024;                                                                                  \
    str += "K\tPages: ";                                                                          \
    str += (g_AllocedPages * TargetInfo::getPageSize()) / 1024;                                   \
    str += "K\t Free: ";                                                                          \
    str += (g_FreePages * TargetInfo::getPageSize()) / 1024;                                      \
    str += "K\n";                                                                                 \
    pSerial->write(str);                                                                          \
  } while (0)
 
#else
 
#define DUMP_MEM_INFO
 
#endif
 
#endif