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
  66 void IOPrintPlane( const IORegistryPlane * plane )
  67 {
  68     IORegistryEntry *           next;
  69     IORegistryIterator *        iter;
  70     OSOrderedSet *              all;
  71     char                        format[] = "%xxxs";
  72     IOService *                 service;
  73
  74     iter = IORegistryIterator::iterateOver( plane );
  75     assert( iter );
  76     all = iter->iterateAll();
  77     if( all) {
  78         IOLog("Count %d\n", all->getCount() );
  79         all->release();
  80     } else
  81         IOLog("Empty\n");
  82
  83     iter->reset();
  84     while( (next = iter->getNextObjectRecursive())) {
  85         snprintf(format + 1, sizeof(format) - 1, "%ds", 2 * next->getDepth( plane ));
  86         IOLog( format, "");
  87         IOLog( "\033[33m%s", next->getName( plane ));
  88         if( (next->getLocation( plane )))
  89             IOLog("@%s", next->getLocation( plane ));
  90         IOLog("\033[0m <class %s", next->getMetaClass()->getClassName());
  91         if( (service = OSDynamicCast(IOService, next)))
  92             IOLog(", busy %ld", service->getBusyState());
  93         IOLog( ">\n");
  94         IOSleep(250);
  95     }
  96     iter->release();
  97 }
  98
  99 void dbugprintf(char *fmt, ...);
 100 void db_dumpiojunk( const IORegistryPlane * plane );
 101
 102 void db_piokjunk(void) {
 103
 104         dbugprintf("\nDT plane:\n");
 105         db_dumpiojunk( gIODTPlane );
 106         dbugprintf("\n\nService plane:\n");
 107         db_dumpiojunk( gIOServicePlane );
 108     dbugprintf("\n\n"
 109             "ivar kalloc()       0x%08x\n"
 110             "malloc()            0x%08x\n"
 111             "containers kalloc() 0x%08x\n"
 112             "IOMalloc()          0x%08x\n"
 113             "----------------------------------------\n",
 114             debug_ivars_size,
 115             debug_malloc_size,
 116             debug_container_malloc_size,
 117             debug_iomalloc_size
 118             );
 119
 120 }
 121
 122
 123 void db_dumpiojunk( const IORegistryPlane * plane )
 124 {
 125     IORegistryEntry *           next;
 126     IORegistryIterator *        iter;
 127     OSOrderedSet *              all;
 128     char                        format[] = "%xxxs";
 129     IOService *                 service;
 130
 131     iter = IORegistryIterator::iterateOver( plane );
 132
 133     all = iter->iterateAll();
 134     if( all) {
 135         dbugprintf("Count %d\n", all->getCount() );
 136         all->release();
 137     } else dbugprintf("Empty\n");
 138
 139     iter->reset();
 140     while( (next = iter->getNextObjectRecursive())) {
 141                 snprintf(format + 1, sizeof(format) - 1, "%ds", 2 * next->getDepth( plane ));
 142                 dbugprintf( format, "");
 143                 dbugprintf( "%s", next->getName( plane ));
 144                 if( (next->getLocation( plane )))
 145                                 dbugprintf("@%s", next->getLocation( plane ));
 146                 dbugprintf(" <class %s", next->getMetaClass()->getClassName());
 147                         if( (service = OSDynamicCast(IOService, next)))
 148                                 dbugprintf(", busy %ld", service->getBusyState());
 149                 dbugprintf( ">\n");
 150     }
 151     iter->release();
 152 }
 153
 154 void IOPrintMemory( void )
 155 {
 156
 157 //    OSMetaClass::printInstanceCounts();
 158
 159     IOLog("\n"
 160             "ivar kalloc()       0x%08x\n"
 161             "malloc()            0x%08x\n"
 162             "containers kalloc() 0x%08x\n"
 163             "IOMalloc()          0x%08x\n"
 164             "----------------------------------------\n",
 165             debug_ivars_size,
 166             debug_malloc_size,
 167             debug_container_malloc_size,
 168             debug_iomalloc_size
 169             );
 170 }
 171
 172 } /* extern "C" */
 173
 174 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 175
 176 #define super OSObject
 177 OSDefineMetaClassAndStructors(IOKitDiagnostics, OSObject)
 178
 179 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 180
 181 OSObject * IOKitDiagnostics::diagnostics( void )
 182 {
 183     IOKitDiagnostics * diags;
 184
 185     diags = new IOKitDiagnostics;
 186     if( diags && !diags->init()) {
 187         diags->release();
 188         diags = 0;
 189     }
 190
 191     return( diags );
 192 }
 193
 194 void IOKitDiagnostics::updateOffset( OSDictionary * dict,
 195                         UInt32 value, const char * name )
 196 {
 197     OSNumber * off;
 198
 199     off = OSNumber::withNumber( value, 32 );
 200     if( !off)
 201         return;
 202
 203     dict->setObject( name, off );
 204     off->release();
 205 }
 206
 207 bool IOKitDiagnostics::serialize(OSSerialize *s) const
 208 {
 209     OSDictionary *      dict;
 210     bool                ok;
 211
 212     dict = OSDictionary::withCapacity( 5 );
 213     if( !dict)
 214         return( false );
 215
 216     updateOffset( dict, debug_ivars_size, "Instance allocation" );
 217     updateOffset( dict, debug_container_malloc_size, "Container allocation" );
 218     updateOffset( dict, debug_iomalloc_size, "IOMalloc allocation" );
 219     updateOffset( dict, debug_iomallocpageable_size, "Pageable allocation" );
 220
 221     OSMetaClass::serializeClassDictionary(dict);
 222
 223     ok = dict->serialize( s );
 224
 225     dict->release();
 226
 227     return( ok );
 228 }
 229
 230 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */