NetBSD/sys/dev/tprof/tprof_ioctl.h

62 lines
2.3 KiB
C

/* $NetBSD: tprof_ioctl.h,v 1.3 2011/04/14 16:23:59 yamt Exp $ */
/*-
* Copyright (c)2008,2010 YAMAMOTO Takashi,
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _DEV_TPROF_TPROF_IOCTL_H_
#define _DEV_TPROF_TPROF_IOCTL_H_
/*
* definitions for userland consumer
*/
#include <sys/ioccom.h>
#include <dev/tprof/tprof_types.h>
#define TPROF_VERSION 3 /* kernel-userland ABI version */
#define TPROF_IOC_GETVERSION _IOR('T', 1, int)
struct tprof_param {
int dummy;
};
#define TPROF_IOC_START _IOW('T', 2, struct tprof_param)
#define TPROF_IOC_STOP _IO('T', 3)
struct tprof_stat {
uint64_t ts_sample; /* samples successfully recorded */
uint64_t ts_overflow; /* samples dropped due to overflow */
uint64_t ts_buf; /* buffers successfully queued for read(2) */
uint64_t ts_emptybuf; /* empty buffers dropped */
uint64_t ts_dropbuf; /* buffers dropped due to the global limit */
uint64_t ts_dropbuf_sample; /* samples dropped with ts_dropbuf */
};
#define TPROF_IOC_GETSTAT _IOR('T', 4, struct tprof_stat)
#endif /* _DEV_TPROF_TPROF_IOCTL_H_ */