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
49class ProfileBlock {
50public:					// 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
60private:
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