xref: /xnu-11215/iokit/Kernel/IOKitDebug.cpp (revision 14e3d835)
1 /*
2  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
3  *
4  * @APPLE_LICENSE_HEADER_START@
5  *
6  * The contents of this file constitute Original Code as defined in and
7  * are subject to the Apple Public Source License Version 1.1 (the
8  * "License").  You may not use this file except in compliance with the
9  * License.  Please obtain a copy of the License at
10  * http://www.apple.com/publicsource and read it before using this file.
11  *
12  * This Original Code and all software distributed under the License are
13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
17  * License for the specific language governing rights and limitations
18  * under the License.
19  *
20  * @APPLE_LICENSE_HEADER_END@
21  */
22 /*
23  * Copyright (c) 1998 Apple Computer, Inc.  All rights reserved.
24  *
25  * HISTORY
26  *
27  */
28 
29 #include <sys/sysctl.h>
30 
31 #include <IOKit/IOKitDebug.h>
32 #include <IOKit/IOLib.h>
33 #include <IOKit/assert.h>
34 #include <IOKit/IODeviceTreeSupport.h>
35 #include <IOKit/IOService.h>
36 
37 #include <libkern/c++/OSContainers.h>
38 #include <libkern/c++/OSCPPDebug.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 SYSCTL_QUAD(_debug, OID_AUTO, iokit, CTLFLAG_RW, &gIOKitDebug, "boot_arg io");
48 
49 
50 int 		debug_malloc_size;
51 int		debug_iomalloc_size;
52 vm_size_t	debug_iomallocpageable_size;
53 int 		debug_container_malloc_size;
54 // int 		debug_ivars_size; // in OSObject.cpp
55 
56 extern "C" {
57 
58 
59 void IOPrintPlane( const IORegistryPlane * plane )
60 {
61     IORegistryEntry *		next;
62     IORegistryIterator * 	iter;
63     OSOrderedSet *		all;
64     char			format[] = "%xxxs";
65     IOService *			service;
66 
67     iter = IORegistryIterator::iterateOver( plane );
68     assert( iter );
69     all = iter->iterateAll();
70     if( all) {
71         IOLog("Count %d\n", all->getCount() );
72         all->release();
73     } else
74 	IOLog("Empty\n");
75 
76     iter->reset();
77     while( (next = iter->getNextObjectRecursive())) {
78 	sprintf( format + 1, "%ds", 2 * next->getDepth( plane ));
79 	IOLog( format, "");
80 	IOLog( "\033[33m%s", next->getName( plane ));
81 	if( (next->getLocation( plane )))
82             IOLog("@%s", next->getLocation( plane ));
83 	IOLog("\033[0m <class %s", next->getMetaClass()->getClassName());
84         if( (service = OSDynamicCast(IOService, next)))
85             IOLog(", busy %ld", service->getBusyState());
86 	IOLog( ">\n");
87 	IOSleep(250);
88     }
89     iter->release();
90 }
91 
92 void dbugprintf(char *fmt, ...);
93 void db_dumpiojunk( const IORegistryPlane * plane );
94 
95 void db_piokjunk(void) {
96 
97 	dbugprintf("\nDT plane:\n");
98 	db_dumpiojunk( gIODTPlane );
99 	dbugprintf("\n\nService plane:\n");
100 	db_dumpiojunk( gIOServicePlane );
101     dbugprintf("\n\n"
102 	    "ivar kalloc()       0x%08x\n"
103 	    "malloc()            0x%08x\n"
104             "containers kalloc() 0x%08x\n"
105 	    "IOMalloc()          0x%08x\n"
106             "----------------------------------------\n",
107 	    debug_ivars_size,
108             debug_malloc_size,
109             debug_container_malloc_size,
110             debug_iomalloc_size
111             );
112 
113 }
114 
115 
116 void db_dumpiojunk( const IORegistryPlane * plane )
117 {
118     IORegistryEntry *		next;
119     IORegistryIterator * 	iter;
120     OSOrderedSet *		all;
121     char			format[] = "%xxxs";
122     IOService *			service;
123 
124     iter = IORegistryIterator::iterateOver( plane );
125 
126     all = iter->iterateAll();
127     if( all) {
128         dbugprintf("Count %d\n", all->getCount() );
129         all->release();
130     } else dbugprintf("Empty\n");
131 
132     iter->reset();
133     while( (next = iter->getNextObjectRecursive())) {
134 		sprintf( format + 1, "%ds", 2 * next->getDepth( plane ));
135 		dbugprintf( format, "");
136 		dbugprintf( "%s", next->getName( plane ));
137 		if( (next->getLocation( plane )))
138 				dbugprintf("@%s", next->getLocation( plane ));
139 		dbugprintf(" <class %s", next->getMetaClass()->getClassName());
140 			if( (service = OSDynamicCast(IOService, next)))
141 				dbugprintf(", busy %ld", service->getBusyState());
142 		dbugprintf( ">\n");
143     }
144     iter->release();
145 }
146 
147 void IOPrintMemory( void )
148 {
149 
150 //    OSMetaClass::printInstanceCounts();
151 
152     IOLog("\n"
153 	    "ivar kalloc()       0x%08x\n"
154 	    "malloc()            0x%08x\n"
155             "containers kalloc() 0x%08x\n"
156 	    "IOMalloc()          0x%08x\n"
157             "----------------------------------------\n",
158 	    debug_ivars_size,
159             debug_malloc_size,
160             debug_container_malloc_size,
161             debug_iomalloc_size
162             );
163 }
164 
165 } /* extern "C" */
166 
167 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
168 
169 #define super OSObject
170 OSDefineMetaClassAndStructors(IOKitDiagnostics, OSObject)
171 
172 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
173 
174 OSObject * IOKitDiagnostics::diagnostics( void )
175 {
176     IOKitDiagnostics * diags;
177 
178     diags = new IOKitDiagnostics;
179     if( diags && !diags->init()) {
180 	diags->release();
181 	diags = 0;
182     }
183 
184     return( diags );
185 }
186 
187 void IOKitDiagnostics::updateOffset( OSDictionary * dict,
188 			UInt32 value, const char * name )
189 {
190     OSNumber * off;
191 
192     off = OSNumber::withNumber( value, 32 );
193     if( !off)
194 	return;
195 
196     dict->setObject( name, off );
197     off->release();
198 }
199 
200 
201 bool IOKitDiagnostics::serialize(OSSerialize *s) const
202 {
203     OSDictionary * 	dict;
204     bool		ok;
205 
206     dict = OSDictionary::withCapacity( 5 );
207     if( !dict)
208 	return( false );
209 
210     updateOffset( dict, debug_ivars_size, "Instance allocation" );
211     updateOffset( dict, debug_container_malloc_size, "Container allocation" );
212     updateOffset( dict, debug_iomalloc_size, "IOMalloc allocation" );
213     updateOffset( dict, debug_iomallocpageable_size, "Pageable allocation" );
214 
215     OSMetaClass::serializeClassDictionary(dict);
216 
217     ok = dict->serialize( s );
218 
219     dict->release();
220 
221     return( ok );
222 }
223 
224 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
225