1 /* $NetBSD: tprof_ioctl.h,v 1.4 2018/07/13 07:56:29 maxv Exp $ */ 2 3 /*- 4 * Copyright (c)2008,2010 YAMAMOTO Takashi, 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _DEV_TPROF_TPROF_IOCTL_H_ 30 #define _DEV_TPROF_TPROF_IOCTL_H_ 31 32 /* 33 * definitions for userland consumer 34 */ 35 36 #include <sys/ioccom.h> 37 38 #include <dev/tprof/tprof_types.h> 39 40 #define TPROF_VERSION 4 /* kernel-userland ABI version */ 41 42 struct tprof_info { 43 uint32_t ti_version; 44 uint32_t ti_ident; 45 }; 46 #define TPROF_IOC_GETINFO _IOR('T', 1, struct tprof_info) 47 48 #define TPROF_IOC_START _IOW('T', 2, tprof_param_t) 49 50 #define TPROF_IOC_STOP _IO('T', 3) 51 52 struct tprof_stat { 53 uint64_t ts_sample; /* samples successfully recorded */ 54 uint64_t ts_overflow; /* samples dropped due to overflow */ 55 uint64_t ts_buf; /* buffers successfully queued for read(2) */ 56 uint64_t ts_emptybuf; /* empty buffers dropped */ 57 uint64_t ts_dropbuf; /* buffers dropped due to the global limit */ 58 uint64_t ts_dropbuf_sample; /* samples dropped with ts_dropbuf */ 59 }; 60 #define TPROF_IOC_GETSTAT _IOR('T', 4, struct tprof_stat) 61 62 #endif /* _DEV_TPROF_TPROF_IOCTL_H_ */ 63