Annotation of Net2/netiso/tp_meas.c, revision 1.1.1.3

1.1       root        1: /*-
                      2:  * Copyright (c) 1991 The Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  * 3. All advertising materials mentioning features or use of this software
                     14:  *    must display the following acknowledgement:
                     15:  *     This product includes software developed by the University of
                     16:  *     California, Berkeley and its contributors.
                     17:  * 4. Neither the name of the University nor the names of its contributors
                     18:  *    may be used to endorse or promote products derived from this software
                     19:  *    without specific prior written permission.
                     20:  *
                     21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     31:  * SUCH DAMAGE.
                     32:  *
1.1.1.3 ! root       33:  *     from: @(#)tp_meas.c     7.4 (Berkeley) 5/6/91
        !            34:  *     tp_meas.c,v 1.3 1993/07/04 21:25:07 cgd Exp
1.1       root       35:  */
                     36: 
                     37: /***********************************************************
                     38:                Copyright IBM Corporation 1987
                     39: 
                     40:                       All Rights Reserved
                     41: 
                     42: Permission to use, copy, modify, and distribute this software and its 
                     43: documentation for any purpose and without fee is hereby granted, 
                     44: provided that the above copyright notice appear in all copies and that
                     45: both that copyright notice and this permission notice appear in 
                     46: supporting documentation, and that the name of IBM not be
                     47: used in advertising or publicity pertaining to distribution of the
                     48: software without specific, written prior permission.  
                     49: 
                     50: IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
                     51: ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
                     52: IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
                     53: ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
                     54: WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
                     55: ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
                     56: SOFTWARE.
                     57: 
                     58: ******************************************************************/
                     59: 
                     60: /*
                     61:  * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
                     62:  */
                     63: /*
                     64:  * tp_meas.c : create a performance measurement event
                     65:  * in the circular buffer tp_Meas[]
                     66:  */
                     67: 
                     68: #include "types.h"
1.1.1.3 ! root       69: #include "cdefs.h"
1.1       root       70: #include "time.h"
                     71: #include "argo_debug.h"
                     72: #include "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(ref, kind, timev, seq, win, size)
                    101:        u_int   ref;
                    102:        u_int   kind;
                    103:        struct  timeval *timev;
                    104:        u_int   seq, win, size;
                    105: {
                    106:        register struct tp_Meas *tpm;
                    107:        static int mseq;
                    108: 
                    109:        tpm = &tp_Meas[tp_Measn++];
                    110:        tp_Measn %= TPMEASN;
                    111: 
                    112:        tpm->tpm_kind = kind;
                    113:        tpm->tpm_tseq = mseq++;
                    114:        tpm->tpm_ref = ref;
                    115:        if(kind == TPtime_from_ll)
                    116:                bcopy((caddr_t)timev, (caddr_t)&tpm->tpm_time, sizeof(struct timeval));
                    117:        else
                    118:                bcopy( (caddr_t)&time, 
                    119:                        (caddr_t)&tpm->tpm_time, sizeof(struct timeval) );
                    120:        tpm->tpm_seq = seq;
                    121:        tpm->tpm_window = win;
                    122:        tpm->tpm_size = size;
                    123: }
                    124: 
                    125: #endif TP_PERF_MEAS

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