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