iokit/Kernel/IOKitDebug.cpp

   1 /*
   2  * Copyright (c) 1998-2006 Apple Computer, 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  * Copyright (c) 1998 Apple Computer, Inc.  All rights reserved.
  30  *
  31  * HISTORY
  32  *
  33  */
  34
  35 #include <sys/sysctl.h>
  36
  37 #include <IOKit/IOKitDebug.h>
  38 #include <IOKit/IOLib.h>
  39 #include <IOKit/assert.h>
  40 #include <IOKit/IODeviceTreeSupport.h>
  41 #include <IOKit/IOService.h>
  42
  43 #include <libkern/c++/OSContainers.h>
  44 #include <libkern/c++/OSCPPDebug.h>
  45
  46 #ifdef IOKITDEBUG
  47 #define DEBUG_INIT_VALUE IOKITDEBUG
  48 #else
  49 #define DEBUG_INIT_VALUE 0
  50 #endif
  51
  52 SInt64          gIOKitDebug = DEBUG_INIT_VALUE;
  53 SYSCTL_QUAD(_debug, OID_AUTO, iokit, CTLFLAG_RW, &gIOKitDebug, "boot_arg io");
  54
  55
  56 int             debug_malloc_size;
  57 int             debug_iomalloc_size;
  58
  59 vm_size_t       debug_iomallocpageable_size;
  60 int             debug_container_malloc_size;
  61 // int          debug_ivars_size; // in OSObject.cpp
  62
  63 extern "C" {
  64
  65 #if 0
  66 #define DEBG(fmt, args...)   { kprintf(fmt, ## args); }
  67 #else
  68 #define DEBG(fmt, args...)   { IOLog(fmt, ## args); }
  69 #endif
  70
  71 void IOPrintPlane( const IORegistryPlane * plane )
  72 {
  73     IORegistryEntry *           next;
  74     IORegistryIterator *        iter;
  75     OSOrderedSet *              all;
  76     char                        format[] = "%xxxs";
  77     IOService *                 service;
  78
  79     iter = IORegistryIterator::iterateOver( plane );
  80     assert( iter );
  81     all = iter->iterateAll();
  82     if( all) {
  83         DEBG("Count %d\n", all->getCount() );
  84         all->release();
  85     } else
  86         DEBG("Empty\n");
  87
  88     iter->reset();
  89     while( (next = iter->getNextObjectRecursive())) {
  90         snprintf(format + 1, sizeof(format) - 1, "%ds", 2 * next->getDepth( plane ));
  91         DEBG( format, "");
  92         DEBG( "\033[33m%s", next->getName( plane ));
  93         if( (next->getLocation( plane )))
  94             DEBG("@%s", next->getLocation( plane ));
  95         DEBG("\033[0m <class %s", next->getMetaClass()->getClassName());
  96         if( (service = OSDynamicCast(IOService, next)))
  97             DEBG(", busy %ld", (long) service->getBusyState());
  98         DEBG( ">\n");
  99 //      IOSleep(250);
 100     }
 101     iter->release();
 102 }
 103
 104 void dbugprintf(char *fmt, ...);
 105 void db_dumpiojunk( const IORegistryPlane * plane );
 106
 107 void db_piokjunk(void) {
 108
 109         dbugprintf("\nDT plane:\n");
 110         db_dumpiojunk( gIODTPlane );
 111         dbugprintf("\n\nService plane:\n");
 112         db_dumpiojunk( gIOServicePlane );
 113     dbugprintf("\n\n"
 114             "ivar kalloc()       0x%08x\n"
 115             "malloc()            0x%08x\n"
 116             "containers kalloc() 0x%08x\n"
 117             "IOMalloc()          0x%08x\n"
 118             "----------------------------------------\n",
 119             debug_ivars_size,
 120             debug_malloc_size,
 121             debug_container_malloc_size,
 122             debug_iomalloc_size
 123             );
 124
 125 }
 126
 127
 128 void db_dumpiojunk( const IORegistryPlane * plane )
 129 {
 130     IORegistryEntry *           next;
 131     IORegistryIterator *        iter;
 132     OSOrderedSet *              all;
 133     char                        format[] = "%xxxs";
 134     IOService *                 service;
 135
 136     iter = IORegistryIterator::iterateOver( plane );
 137
 138     all = iter->iterateAll();
 139     if( all) {
 140         dbugprintf("Count %d\n", all->getCount() );
 141         all->release();
 142     } else dbugprintf("Empty\n");
 143
 144     iter->reset();
 145     while( (next = iter->getNextObjectRecursive())) {
 146                 snprintf(format + 1, sizeof(format) - 1, "%ds", 2 * next->getDepth( plane ));
 147                 dbugprintf( format, "");
 148                 dbugprintf( "%s", next->getName( plane ));
 149                 if( (next->getLocation( plane )))
 150                                 dbugprintf("@%s", next->getLocation( plane ));
 151                 dbugprintf(" <class %s", next->getMetaClass()->getClassName());
 152                         if( (service = OSDynamicCast(IOService, next)))
 153                                 dbugprintf(", busy %ld", service->getBusyState());
 154                 dbugprintf( ">\n");
 155     }
 156     iter->release();
 157 }
 158
 159 void IOPrintMemory( void )
 160 {
 161
 162 //    OSMetaClass::printInstanceCounts();
 163
 164     IOLog("\n"
 165             "ivar kalloc()       0x%08x\n"
 166             "malloc()            0x%08x\n"
 167             "containers kalloc() 0x%08x\n"
 168             "IOMalloc()          0x%08x\n"
 169             "----------------------------------------\n",
 170             debug_ivars_size,
 171             debug_malloc_size,
 172             debug_container_malloc_size,
 173             debug_iomalloc_size
 174             );
 175 }
 176
 177 } /* extern "C" */
 178
 179 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 180
 181 #define super OSObject
 182 OSDefineMetaClassAndStructors(IOKitDiagnostics, OSObject)
 183
 184 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 185
 186 OSObject * IOKitDiagnostics::diagnostics( void )
 187 {
 188     IOKitDiagnostics * diags;
 189
 190     diags = new IOKitDiagnostics;
 191     if( diags && !diags->init()) {
 192         diags->release();
 193         diags = 0;
 194     }
 195
 196     return( diags );
 197 }
 198
 199 void IOKitDiagnostics::updateOffset( OSDictionary * dict,
 200                         UInt32 value, const char * name )
 201 {
 202     OSNumber * off;
 203
 204     off = OSNumber::withNumber( value, 32 );
 205     if( !off)
 206         return;
 207
 208     dict->setObject( name, off );
 209     off->release();
 210 }
 211
 212 bool IOKitDiagnostics::serialize(OSSerialize *s) const
 213 {
 214     OSDictionary *      dict;
 215     bool                ok;
 216
 217     dict = OSDictionary::withCapacity( 5 );
 218     if( !dict)
 219         return( false );
 220
 221     updateOffset( dict, debug_ivars_size, "Instance allocation" );
 222     updateOffset( dict, debug_container_malloc_size, "Container allocation" );
 223     updateOffset( dict, debug_iomalloc_size, "IOMalloc allocation" );
 224     updateOffset( dict, debug_iomallocpageable_size, "Pageable allocation" );
 225
 226     OSMetaClass::serializeClassDictionary(dict);
 227
 228     ok = dict->serialize( s );
 229
 230     dict->release();
 231
 232     return( ok );
 233 }
 234
 235 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */