FreeBSD/Linux Kernel Cross Reference
sys/netiso/tp_meas.c
1 /* $NetBSD: tp_meas.c,v 1.11 2004/04/19 05:16:46 matt 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
39 Permission to use, copy, modify, and distribute this software and its
40 documentation for any purpose and without fee is hereby granted,
41 provided that the above copyright notice appear in all copies and that
42 both that copyright notice and this permission notice appear in
43 supporting documentation, and that the name of IBM not be
44 used in advertising or publicity pertaining to distribution of the
45 software without specific, written prior permission.
46
47 IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
48 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
49 IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
50 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
51 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
52 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
53 SOFTWARE.
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 1.11 2004/04/19 05:16:46 matt 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 extern struct timeval time;
75
76 #ifdef TP_PERF_MEAS
77 int tp_Measn = 0;
78 struct tp_Meas tp_Meas[TPMEASN];
79
80 /*
81 * NAME: tpmeas()
82 *
83 * CALLED FROM: tp_emit(), tp_soisdisconecting(), tp_soisdisconnected()
84 * tp0_stash(), tp_stash(), tp_send(), tp_goodack(), tp_usrreq()
85 *
86 * FUNCTION and ARGUMENTS:
87 * stashes a performance-measurement event for the given reference (ref)
88 * (kind) tells which kind of event, timev is the time to be stored
89 * with this event, (seq), (win), and (size) are integers that usually
90 * refer to the sequence number, window number (on send) and
91 * size of tpdu or window.
92 *
93 * RETURNS: Nada
94 *
95 * SIDE EFFECTS:
96 *
97 * NOTES:
98 */
99 void
100 Tpmeas(u_int ref, u_int kind, struct timeval *timev, u_int seq, u_int win,
101 u_int size)
102 {
103 struct tp_Meas *tpm;
104 static int mseq;
105
106 tpm = &tp_Meas[tp_Measn++];
107 tp_Measn %= TPMEASN;
108
109 tpm->tpm_kind = kind;
110 tpm->tpm_tseq = mseq++;
111 tpm->tpm_ref = ref;
112 if (kind == TPtime_from_ll)
113 bcopy((caddr_t) timev, (caddr_t) & tpm->tpm_time, sizeof(struct timeval));
114 else
115 bcopy((caddr_t) & time,
116 (caddr_t) & tpm->tpm_time, sizeof(struct timeval));
117 tpm->tpm_seq = seq;
118 tpm->tpm_window = win;
119 tpm->tpm_size = size;
120 }
121
122 #endif /* TP_PERF_MEAS */
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