xref: /haiku/src/apps/cortex/support/ProfileBlock.h (revision 1e60bdeab63fa7a57bc9a55b032052e95a18bd2c)
1 /*
2  * Copyright (c) 1999-2000, Eric Moon.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions, and the following disclaimer.
11  *
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions, and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * 3. The name of the author may not be used to endorse or promote products
17  *    derived from this software without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
27  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 
32 // ProfileBlock.h
33 // e.moon 19may99
34 //
35 // Quick'n'dirty profiling tool: create a ProfileBlock on the
36 // stack, giving it a name and a ProfileTarget to reference.
37 // Automatically writes an entry in the target once the
38 // object goes out of scope.
39 
40 #ifndef __PROFILEBLOCK_H__
41 #define __PROFILEBLOCK_H__
42 
43 #include "ProfileTarget.h"
44 #include <KernelKit.h>
45 
46 #include "cortex_defs.h"
47 __BEGIN_CORTEX_NAMESPACE
48 
49 class ProfileBlock {
50 public:					// ctor/dtor
51 	ProfileBlock(ProfileTarget& target, const char* name) :
52 		m_target(target),
53 		m_name(name),
54 		m_initTime(system_time()) {}
55 
56 	~ProfileBlock() {
57 		m_target.addBlockEntry(m_name, system_time()-m_initTime);
58 	}
59 
60 private:
61 	ProfileTarget&		m_target;
62 	const char* const		m_name;
63 	bigtime_t					m_initTime;
64 };
65 
66 __END_CORTEX_NAMESPACE
67 #endif /* __PROFILEBLOCK_H__ */
68