tools/tools/crypto/cryptostats.c

   1 /*-
   2  * Copyright (c) 2002, 2003     Sam Leffler, Errno Consulting
   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  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD$
  27  */
  28
  29 /*
  30  * Little program to dump the crypto statistics block and, optionally,
  31  * zero all the stats or just the timing stuff.
  32  */
  33 #include <stdio.h>
  34 #include <stdlib.h>
  35 #include <string.h>
  36
  37 #include <sys/types.h>
  38 #include <sys/sysctl.h>
  39 #include <sys/time.h>
  40 #include <crypto/cryptodev.h>
  41
  42 static void
  43 printt(const char* tag, struct cryptotstat *ts)
  44 {
  45         uint64_t avg, min, max;
  46
  47         if (ts->count == 0)
  48                 return;
  49         avg = (1000000000LL*ts->acc.tv_sec + ts->acc.tv_nsec) / ts->count;
  50         min = 1000000000LL*ts->min.tv_sec + ts->min.tv_nsec;
  51         max = 1000000000LL*ts->max.tv_sec + ts->max.tv_nsec;
  52         printf("%16.16s: avg %6llu ns : min %6llu ns : max %7llu ns [%u samps]\n",
  53                 tag, avg, min, max, ts->count);
  54 }
  55
  56 int
  57 main(int argc, char *argv[])
  58 {
  59         struct cryptostats stats;
  60         size_t slen;
  61
  62         slen = sizeof (stats);
  63         if (sysctlbyname("kern.crypto_stats", &stats, &slen, NULL, 0) < 0)
  64                 err(1, "kern.cryptostats");
  65
  66         if (argc > 1 && strcmp(argv[1], "-z") == 0) {
  67                 bzero(&stats.cs_invoke, sizeof (stats.cs_invoke));
  68                 bzero(&stats.cs_done, sizeof (stats.cs_done));
  69                 bzero(&stats.cs_cb, sizeof (stats.cs_cb));
  70                 bzero(&stats.cs_finis, sizeof (stats.cs_finis));
  71                 stats.cs_invoke.min.tv_sec = 10000;
  72                 stats.cs_done.min.tv_sec = 10000;
  73                 stats.cs_cb.min.tv_sec = 10000;
  74                 stats.cs_finis.min.tv_sec = 10000;
  75                 if (sysctlbyname("kern.crypto_stats", NULL, NULL, &stats, sizeof (stats)) < 0)
  76                         err(1, "kern.cryptostats");
  77                 exit(0);
  78         }
  79         if (argc > 1 && strcmp(argv[1], "-Z") == 0) {
  80                 bzero(&stats, sizeof (stats));
  81                 stats.cs_invoke.min.tv_sec = 10000;
  82                 stats.cs_done.min.tv_sec = 10000;
  83                 stats.cs_cb.min.tv_sec = 10000;
  84                 stats.cs_finis.min.tv_sec = 10000;
  85                 if (sysctlbyname("kern.crypto_stats", NULL, NULL, &stats, sizeof (stats)) < 0)
  86                         err(1, "kern.cryptostats");
  87                 exit(0);
  88         }
  89
  90
  91         printf("%u symmetric crypto ops (%u errors, %u times driver blocked)\n"
  92                 , stats.cs_ops, stats.cs_errs, stats.cs_blocks);
  93         printf("%u key ops (%u errors, %u times driver blocked)\n"
  94                 , stats.cs_kops, stats.cs_kerrs, stats.cs_kblocks);
  95         printf("%u crypto dispatch thread activations\n", stats.cs_intrs);
  96         printf("%u crypto return thread activations\n", stats.cs_rets);
  97         if (stats.cs_invoke.count) {
  98                 printf("\n");
  99                 printt("dispatch->invoke", &stats.cs_invoke);
 100                 printt("invoke->done", &stats.cs_done);
 101                 printt("done->cb", &stats.cs_cb);
 102                 printt("cb->finis", &stats.cs_finis);
 103         }
 104         return 0;
 105 }