xref: /xnu-11215/iokit/Kernel/IOKitDebug.cpp (revision d0c1fef6)
1 /*
2  * Copyright (c) 1998-2010 Apple Inc. All rights reserved.
3  *
4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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6  * This file contains Original Code and/or Modifications of Original Code
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8  * Version 2.0 (the 'License'). You may not use this file except in
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10  * may not be used to create, or enable the creation or redistribution of,
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13  * terms of an Apple operating system software license agreement.
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15  * Please obtain a copy of the License at
16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
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18  * The Original Code and all software distributed under the License are
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20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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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 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
186