1/* $NetBSD: tp_meas.c,v 1.15 2009/03/18 17:06:53 cegger Exp $ */ 2 3/*- 4 * Copyright (c) 1991, 1993 5 * The Regents of the University of California. 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 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)tp_meas.c 8.1 (Berkeley) 6/10/93 32 */ 33 34/*********************************************************** 35 Copyright IBM Corporation 1987 36 37 All Rights Reserved 38 39Permission to use, copy, modify, and distribute this software and its 40documentation for any purpose and without fee is hereby granted, 41provided that the above copyright notice appear in all copies and that 42both that copyright notice and this permission notice appear in 43supporting documentation, and that the name of IBM not be 44used in advertising or publicity pertaining to distribution of the 45software without specific, written prior permission. 46 47IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING 48ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL 49IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR 50ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, 51WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, 52ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 53SOFTWARE. 54 55******************************************************************/ 56 57/* 58 * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison 59 */ 60/* 61 * tp_meas.c : create a performance measurement event 62 * in the circular buffer tp_Meas[] 63 */ 64 65#include <sys/cdefs.h> 66__KERNEL_RCSID(0, "$NetBSD: tp_meas.c,v 1.15 2009/03/18 17:06:53 cegger Exp $"); 67 68#include <sys/types.h> 69#include <sys/time.h> 70 71#include <netiso/argo_debug.h> 72#include <netiso/tp_meas.h> 73 74#ifdef TP_PERF_MEAS 75int tp_Measn = 0; 76struct tp_Meas tp_Meas[TPMEASN]; 77 78/* 79 * NAME: tpmeas() 80 * 81 * CALLED FROM: tp_emit(), tp_soisdisconecting(), tp_soisdisconnected() 82 * tp0_stash(), tp_stash(), tp_send(), tp_goodack(), tp_usrreq() 83 * 84 * FUNCTION and ARGUMENTS: 85 * stashes a performance-measurement event for the given reference (ref) 86 * (kind) tells which kind of event, timev is the time to be stored 87 * with this event, (seq), (win), and (size) are integers that usually 88 * refer to the sequence number, window number (on send) and 89 * size of tpdu or window. 90 * 91 * RETURNS: Nada 92 * 93 * SIDE EFFECTS: 94 * 95 * NOTES: 96 */ 97void 98Tpmeas(u_int ref, u_int kind, struct timeval *timev, u_int seq, u_int win, 99 u_int size) 100{ 101 struct tp_Meas *tpm; 102 static int mseq; 103 104 tpm = &tp_Meas[tp_Measn++]; 105 tp_Measn %= TPMEASN; 106 107 tpm->tpm_kind = kind; 108 tpm->tpm_tseq = mseq++; 109 tpm->tpm_ref = ref; 110 if (kind == TPtime_from_ll) 111 memcpy((void *) & tpm->tpm_time, (void *) timev, sizeof(struct timeval)); 112 else 113 getmicrotime(& tpm->tpm_time); 114 tpm->tpm_seq = seq; 115 tpm->tpm_window = win; 116 tpm->tpm_size = size; 117} 118 119#endif /* TP_PERF_MEAS */ 120