xref: /xnu-11215/iokit/Kernel/IOKitDebug.cpp (revision e13b1fa5)
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 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
231