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tprof.h revision 1.2 
      1  1.2  yamt /*	$NetBSD: tprof.h,v 1.2 2009/03/10 14:45:02 yamt Exp $	*/
      2  1.1  yamt 
      3  1.1  yamt /*-
      4  1.2  yamt  * Copyright (c)2008,2009 YAMAMOTO Takashi,
      5  1.1  yamt  * All rights reserved.
      6  1.1  yamt  *
      7  1.1  yamt  * Redistribution and use in source and binary forms, with or without
      8  1.1  yamt  * modification, are permitted provided that the following conditions
      9  1.1  yamt  * are met:
     10  1.1  yamt  * 1. Redistributions of source code must retain the above copyright
     11  1.1  yamt  *    notice, this list of conditions and the following disclaimer.
     12  1.1  yamt  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1  yamt  *    notice, this list of conditions and the following disclaimer in the
     14  1.1  yamt  *    documentation and/or other materials provided with the distribution.
     15  1.1  yamt  *
     16  1.1  yamt  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  1.1  yamt  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  1.1  yamt  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  1.1  yamt  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  1.1  yamt  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  1.1  yamt  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  1.1  yamt  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  1.1  yamt  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  1.1  yamt  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  1.1  yamt  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  1.1  yamt  * SUCH DAMAGE.
     27  1.1  yamt  */
     28  1.1  yamt 
     29  1.1  yamt #ifndef _DEV_TPROF_TPROF_H_
     30  1.1  yamt #define _DEV_TPROF_TPROF_H_
     31  1.1  yamt 
     32  1.2  yamt typedef struct tprof_backend_cookie tprof_backend_cookie_t;
     33  1.2  yamt 
     34  1.2  yamt typedef struct tprof_backend_ops {
     35  1.2  yamt 	uint64_t (*tbo_estimate_freq)(void);
     36  1.2  yamt 	int (*tbo_start)(tprof_backend_cookie_t *);
     37  1.2  yamt 	void (*tbo_stop)(tprof_backend_cookie_t *);
     38  1.2  yamt } tprof_backend_ops_t;
     39  1.2  yamt 
     40  1.2  yamt #define	TPROF_BACKEND_VERSION	1
     41  1.2  yamt int tprof_backend_register(const char *, const tprof_backend_ops_t *, int);
     42  1.2  yamt int tprof_backend_unregister(const char *);
     43  1.1  yamt 
     44  1.1  yamt struct trapframe;
     45  1.2  yamt void tprof_sample(tprof_backend_cookie_t *, const struct trapframe *);
     46  1.1  yamt 
     47  1.1  yamt #endif /* _DEV_TPROF_TPROF_H_ */
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