tools/tools/crypto/cryptostats.c

   1 /* $FreeBSD: src/tools/tools/crypto/cryptostats.c,v 1.1.2.1 2003/02/24 22:52:36 sam Exp $ */
   2 /* $DragonFly: src/tools/tools/crypto/cryptostats.c,v 1.3 2008/04/26 09:19:10 swildner Exp $ */
   3
   4 /*
   5  * Little program to dump the crypto statistics block and, optionally,
   6  * zero all the stats or just the timing stuff.
   7  */
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11
  12 #include <sys/types.h>
  13 #include <sys/sysctl.h>
  14 #include <sys/time.h>
  15 #include <crypto/cryptodev.h>
  16
  17 static void
  18 printt(const char* tag, struct cryptotstat *ts)
  19 {
  20         uint64_t avg, min, max;
  21
  22         if (ts->count == 0)
  23                 return;
  24         avg = (1000000000LL*ts->acc.tv_sec + ts->acc.tv_nsec) / ts->count;
  25         min = 1000000000LL*ts->min.tv_sec + ts->min.tv_nsec;
  26         max = 1000000000LL*ts->max.tv_sec + ts->max.tv_nsec;
  27         printf("%16.16s: avg %6llu ns : min %6llu ns : max %7llu ns [%u samps]\n",
  28                 tag, avg, min, max, ts->count);
  29 }
  30
  31 int
  32 main(int argc, char *argv[])
  33 {
  34         struct cryptostats stats;
  35         size_t slen;
  36
  37         slen = sizeof (stats);
  38         if (sysctlbyname("kern.crypto_stats", &stats, &slen, NULL, NULL) < 0)
  39                 err(1, "kern.cryptostats");
  40
  41         if (argc > 1 && strcmp(argv[1], "-z") == 0) {
  42                 bzero(&stats.cs_invoke, sizeof (stats.cs_invoke));
  43                 bzero(&stats.cs_done, sizeof (stats.cs_done));
  44                 bzero(&stats.cs_cb, sizeof (stats.cs_cb));
  45                 bzero(&stats.cs_finis, sizeof (stats.cs_finis));
  46                 stats.cs_invoke.min.tv_sec = 10000;
  47                 stats.cs_done.min.tv_sec = 10000;
  48                 stats.cs_cb.min.tv_sec = 10000;
  49                 stats.cs_finis.min.tv_sec = 10000;
  50                 if (sysctlbyname("kern.crypto_stats", NULL, NULL, &stats, sizeof (stats)) < 0)
  51                         err(1, "kern.cryptostats");
  52                 exit(0);
  53         }
  54         if (argc > 1 && strcmp(argv[1], "-Z") == 0) {
  55                 bzero(&stats, sizeof (stats));
  56                 stats.cs_invoke.min.tv_sec = 10000;
  57                 stats.cs_done.min.tv_sec = 10000;
  58                 stats.cs_cb.min.tv_sec = 10000;
  59                 stats.cs_finis.min.tv_sec = 10000;
  60                 if (sysctlbyname("kern.crypto_stats", NULL, NULL, &stats, sizeof (stats)) < 0)
  61                         err(1, "kern.cryptostats");
  62                 exit(0);
  63         }
  64
  65
  66         printf("%u symmetric crypto ops (%u errors, %u times driver blocked)\n"
  67                 , stats.cs_ops, stats.cs_errs, stats.cs_blocks);
  68         printf("%u key ops (%u errors, %u times driver blocked)\n"
  69                 , stats.cs_kops, stats.cs_kerrs, stats.cs_kblocks);
  70         printf("%u crypto dispatch thread activations\n", stats.cs_intrs);
  71         printf("%u crypto return thread activations\n", stats.cs_rets);
  72         if (stats.cs_invoke.count) {
  73                 printf("\n");
  74                 printt("dispatch->invoke", &stats.cs_invoke);
  75                 printt("invoke->done", &stats.cs_done);
  76                 printt("done->cb", &stats.cs_cb);
  77                 printt("cb->finis", &stats.cs_finis);
  78         }
  79         return 0;
  80 }