iokit/Kernel/IOKitDebug.cpp

   1 /*
   2  * Copyright (c) 1998-2010 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29 #include <sys/sysctl.h>
  30
  31 #include <libkern/c++/OSContainers.h>
  32 #include <libkern/c++/OSCPPDebug.h>
  33
  34 #include <IOKit/IOKitDebug.h>
  35 #include <IOKit/IOLib.h>
  36 #include <IOKit/assert.h>
  37 #include <IOKit/IODeviceTreeSupport.h>
  38 #include <IOKit/IOService.h>
  39
  40 #ifdef IOKITDEBUG
  41 #define DEBUG_INIT_VALUE IOKITDEBUG
  42 #else
  43 #define DEBUG_INIT_VALUE 0
  44 #endif
  45
  46 SInt64          gIOKitDebug = DEBUG_INIT_VALUE;
  47 SInt64          gIOKitTrace = 0;
  48
  49 SYSCTL_QUAD(_debug, OID_AUTO, iokit, CTLFLAG_RW | CTLFLAG_LOCKED, &gIOKitDebug, "boot_arg io");
  50 SYSCTL_QUAD(_debug, OID_AUTO, iotrace, CTLFLAG_RW | CTLFLAG_LOCKED, &gIOKitTrace, "trace io");
  51
  52
  53 int             debug_malloc_size;
  54 int             debug_iomalloc_size;
  55
  56 vm_size_t       debug_iomallocpageable_size;
  57 int             debug_container_malloc_size;
  58 // int          debug_ivars_size; // in OSObject.cpp
  59
  60 extern "C" {
  61
  62 #if 0
  63 #define DEBG(fmt, args...)   { kprintf(fmt, ## args); }
  64 #else
  65 #define DEBG(fmt, args...)   { IOLog(fmt, ## args); }
  66 #endif
  67
  68 void IOPrintPlane( const IORegistryPlane * plane )
  69 {
  70     IORegistryEntry *           next;
  71     IORegistryIterator *        iter;
  72     OSOrderedSet *              all;
  73     char                        format[] = "%xxxs";
  74     IOService *                 service;
  75
  76     iter = IORegistryIterator::iterateOver( plane );
  77     assert( iter );
  78     all = iter->iterateAll();
  79     if( all) {
  80         DEBG("Count %d\n", all->getCount() );
  81         all->release();
  82     } else
  83         DEBG("Empty\n");
  84
  85     iter->reset();
  86     while( (next = iter->getNextObjectRecursive())) {
  87         snprintf(format + 1, sizeof(format) - 1, "%ds", 2 * next->getDepth( plane ));
  88         DEBG( format, "");
  89         DEBG( "\033[33m%s", next->getName( plane ));
  90         if( (next->getLocation( plane )))
  91             DEBG("@%s", next->getLocation( plane ));
  92         DEBG("\033[0m <class %s", next->getMetaClass()->getClassName());
  93         if( (service = OSDynamicCast(IOService, next)))
  94             DEBG(", busy %ld", (long) service->getBusyState());
  95         DEBG( ">\n");
  96 //      IOSleep(250);
  97     }
  98     iter->release();
  99 }
 100
 101 void db_piokjunk(void)
 102 {
 103 }
 104
 105 void db_dumpiojunk( const IORegistryPlane * plane __unused )
 106 {
 107 }
 108
 109 void IOPrintMemory( void )
 110 {
 111
 112 //    OSMetaClass::printInstanceCounts();
 113
 114     IOLog("\n"
 115             "ivar kalloc()       0x%08x\n"
 116             "malloc()            0x%08x\n"
 117             "containers kalloc() 0x%08x\n"
 118             "IOMalloc()          0x%08x\n"
 119             "----------------------------------------\n",
 120             debug_ivars_size,
 121             debug_malloc_size,
 122             debug_container_malloc_size,
 123             debug_iomalloc_size
 124             );
 125 }
 126
 127 } /* extern "C" */
 128
 129 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 130
 131 #define super OSObject
 132 OSDefineMetaClassAndStructors(IOKitDiagnostics, OSObject)
 133
 134 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 135
 136 OSObject * IOKitDiagnostics::diagnostics( void )
 137 {
 138     IOKitDiagnostics * diags;
 139
 140     diags = new IOKitDiagnostics;
 141     if( diags && !diags->init()) {
 142         diags->release();
 143         diags = 0;
 144     }
 145
 146     return( diags );
 147 }
 148
 149 void IOKitDiagnostics::updateOffset( OSDictionary * dict,
 150                         UInt32 value, const char * name )
 151 {
 152     OSNumber * off;
 153
 154     off = OSNumber::withNumber( value, 32 );
 155     if( !off)
 156         return;
 157
 158     dict->setObject( name, off );
 159     off->release();
 160 }
 161
 162 bool IOKitDiagnostics::serialize(OSSerialize *s) const
 163 {
 164     OSDictionary *      dict;
 165     bool                ok;
 166
 167     dict = OSDictionary::withCapacity( 5 );
 168     if( !dict)
 169         return( false );
 170
 171     updateOffset( dict, debug_ivars_size, "Instance allocation" );
 172     updateOffset( dict, debug_container_malloc_size, "Container allocation" );
 173     updateOffset( dict, debug_iomalloc_size, "IOMalloc allocation" );
 174     updateOffset( dict, debug_iomallocpageable_size, "Pageable allocation" );
 175
 176     OSMetaClass::serializeClassDictionary(dict);
 177
 178     ok = dict->serialize( s );
 179
 180     dict->release();
 181
 182     return( ok );
 183 }
 184
 185 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */