usr.sbin/altq/altqstat/qdisc_hfsc.c

   1 /*      $NetBSD: qdisc_hfsc.c,v 1.5 2006/10/12 19:59:13 peter Exp $     */
   2 /*      $KAME: qdisc_hfsc.c,v 1.8 2003/07/10 12:09:38 kjc Exp $ */
   3 /*
   4  * Copyright (C) 1999-2000
   5  *      Sony Computer Science Laboratories, Inc.  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 SONY CSL 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 SONY CSL 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 #include <sys/param.h>
  30 #include <sys/ioctl.h>
  31 #include <sys/time.h>
  32 #include <sys/socket.h>
  33 #include <net/if.h>
  34 #include <netinet/in.h>
  35 #include <altq/altq.h>
  36 #include <altq/altq_hfsc.h>
  37
  38 #include <stdio.h>
  39 #include <stdlib.h>
  40 #include <unistd.h>
  41 #include <string.h>
  42 #include <signal.h>
  43 #include <math.h>
  44 #include <errno.h>
  45 #include <err.h>
  46
  47 #include "quip_client.h"
  48 #include "altqstat.h"
  49
  50 #define NCLASSES        64
  51
  52 void
  53 hfsc_stat_loop(int fd, const char *ifname, int count, int interval)
  54 {
  55         struct hfsc_classstats  stats1[NCLASSES], stats2[NCLASSES];
  56         char                    clnames[NCLASSES][128];
  57         struct hfsc_class_stats get_stats;
  58         struct hfsc_classstats  *sp, *lp, *new, *last, *tmp;
  59         struct timeval          cur_time, last_time;
  60         int                     i;
  61         double                  sec;
  62         int                     cnt = count;
  63         sigset_t                omask;
  64         u_int64_t               stattime;
  65         u_int32_t               machclk_freq;
  66
  67         strlcpy(get_stats.iface.hfsc_ifname, ifname,
  68                 sizeof(get_stats.iface.hfsc_ifname));
  69         new = &stats1[0];
  70         last = &stats2[0];
  71
  72         /* invalidate class ids */
  73         for (i = 0; i < NCLASSES; i++) {
  74                 last[i].class_id = 999999; /* XXX */
  75                 last[i].class_handle = HFSC_NULLCLASS_HANDLE;
  76         }
  77
  78         for (;;) {
  79                 get_stats.nskip = 0;
  80                 get_stats.nclasses = NCLASSES;
  81                 get_stats.stats = new;
  82
  83                 if (ioctl(fd, HFSC_GETSTATS, &get_stats) < 0)
  84                         err(1, "ioctl HFSC_GETSTATS");
  85
  86                 gettimeofday(&cur_time, NULL);
  87                 sec = calc_interval(&cur_time, &last_time);
  88
  89                 stattime = get_stats.cur_time;
  90                 machclk_freq = get_stats.machclk_freq;
  91                 printf("\ncur_time:%#llx %u classes %u packets in the tree\n",
  92                     (ull)stattime,
  93                     get_stats.hif_classes, get_stats.hif_packets);
  94
  95                 for (i=0; i<get_stats.nclasses; i++) {
  96                         sp = &new[i];
  97                         lp = &last[i];
  98
  99                         if (sp->class_id != lp->class_id) {
 100                                 quip_chandle2name(ifname, sp->class_handle,
 101                                     clnames[i], sizeof(clnames[0]));
 102                         }
 103
 104                         printf("[%2d %s] handle:%#x [rt %s %ums %s][ls %s %ums %s]",
 105                                sp->class_id, clnames[i], sp->class_handle,
 106                                rate2str((double)sp->rsc.m1), sp->rsc.d,
 107                                rate2str((double)sp->rsc.m2),
 108                                rate2str((double)sp->fsc.m1), sp->fsc.d,
 109                                rate2str((double)sp->fsc.m2));
 110                         if (sp->usc.m1 != 0 || sp->usc.m2 != 0)
 111                                 printf("[ul %s %ums %s]\n",
 112                                        rate2str((double)sp->usc.m1), sp->usc.d,
 113                                        rate2str((double)sp->usc.m2));
 114                         else
 115                                  printf("\n");
 116                         if (lp->class_handle != HFSC_NULLCLASS_HANDLE) {
 117                                 printf("  measured: %sbps [rt:%s ls:%s] qlen:%2d period:%u\n",
 118                                     rate2str(calc_rate(sp->total, lp->total, sec)),
 119                                     rate2str(calc_rate(sp->cumul, lp->cumul, sec)),
 120                                     rate2str(calc_rate(sp->total - sp->cumul,
 121                                         lp->total - lp->cumul, sec)),
 122                                     sp->qlength, sp->period);
 123                         }
 124                         printf("     packets:%llu (%llu bytes) drops:%llu (%llu bytes) \n",
 125                                (ull)sp->xmit_cnt.packets,
 126                                (ull)sp->xmit_cnt.bytes,
 127                                (ull)sp->drop_cnt.packets,
 128                                (ull)sp->drop_cnt.bytes);
 129                         printf("     cumul:%#llx total:%#llx\n",
 130                                (ull)sp->cumul, (ull)sp->total);
 131                         printf("     e:%.2fus d:%.2fus f:%.2fus vt:%#llx\n",
 132                             sp->e == 0 ? 0 : ((double)sp->e - (double)stattime)
 133                                              / machclk_freq * 1000000,
 134                             sp->d == 0 ? 0 : ((double)sp->d - (double)stattime)
 135                                              / machclk_freq * 1000000,
 136                             sp->f == 0 ? 0 : ((double)sp->f - (double)stattime)
 137                                              / machclk_freq * 1000000,
 138                             (ull)sp->vt);
 139                         printf("     vtperiod:%u parentperiod:%u nactive:%d\n",
 140                             sp->vtperiod, sp->parentperiod, sp->nactive);
 141                         printf("     initvt:%#llx cvtmax:%#llx vtoff:%#llx\n",
 142                             (ull)sp->initvt, (ull)sp->cvtmax, (ull)sp->vtoff);
 143
 144                         printf("     myf:%#llx cfmin:%#llx cvtmin:%#llx",
 145                             (ull)sp->myf, (ull)sp->cfmin, (ull)sp->cvtmin);
 146                         printf(" myfadj:%#llx vtadj:%#llx\n",
 147                             (ull)sp->myfadj, (ull)sp->vtadj);
 148                         if (sp->qtype == Q_RED)
 149                                 print_redstats(sp->red);
 150                         else if (sp->qtype == Q_RIO)
 151                                 print_riostats(sp->red);
 152                 }
 153
 154                 /* swap the buffer pointers */
 155                 tmp = last;
 156                 last = new;
 157                 new = tmp;
 158
 159                 last_time = cur_time;
 160
 161                 if (count != 0 && --cnt == 0)
 162                         break;
 163
 164                 /* wait for alarm signal */
 165                 if (sigprocmask(SIG_BLOCK, NULL, &omask) == 0)
 166                         sigsuspend(&omask);
 167         }
 168 }