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
34 #include <sys/types.h>
35 #include <sys/sysctl.h>
36 #include <sys/time.h>
37
38 #include <crypto/cryptodev.h>
39
40 #include <err.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43 #include <string.h>
44 #include <strings.h>
45
46 static void
printt(const char * tag,struct cryptotstat * ts)47 printt(const char* tag, struct cryptotstat *ts)
48 {
49 uint64_t avg, min, max;
50
51 if (ts->count == 0)
52 return;
53 avg = (1000000000LL*ts->acc.tv_sec + ts->acc.tv_nsec) / ts->count;
54 min = 1000000000LL*ts->min.tv_sec + ts->min.tv_nsec;
55 max = 1000000000LL*ts->max.tv_sec + ts->max.tv_nsec;
56 printf("%16.16s: avg %6llu ns : min %6llu ns : max %7llu ns [%u samps]\n",
57 tag, avg, min, max, ts->count);
58 }
59
60 int
main(int argc,char * argv[])61 main(int argc, char *argv[])
62 {
63 struct cryptostats stats;
64 size_t slen;
65
66 slen = sizeof (stats);
67 if (sysctlbyname("kern.crypto_stats", &stats, &slen, NULL, 0) < 0)
68 err(1, "kern.cryptostats");
69
70 if (argc > 1 && strcmp(argv[1], "-z") == 0) {
71 bzero(&stats.cs_invoke, sizeof (stats.cs_invoke));
72 bzero(&stats.cs_done, sizeof (stats.cs_done));
73 bzero(&stats.cs_cb, sizeof (stats.cs_cb));
74 bzero(&stats.cs_finis, sizeof (stats.cs_finis));
75 stats.cs_invoke.min.tv_sec = 10000;
76 stats.cs_done.min.tv_sec = 10000;
77 stats.cs_cb.min.tv_sec = 10000;
78 stats.cs_finis.min.tv_sec = 10000;
79 if (sysctlbyname("kern.crypto_stats", NULL, NULL, &stats, sizeof (stats)) < 0)
80 err(1, "kern.cryptostats");
81 exit(0);
82 }
83 if (argc > 1 && strcmp(argv[1], "-Z") == 0) {
84 bzero(&stats, sizeof (stats));
85 stats.cs_invoke.min.tv_sec = 10000;
86 stats.cs_done.min.tv_sec = 10000;
87 stats.cs_cb.min.tv_sec = 10000;
88 stats.cs_finis.min.tv_sec = 10000;
89 if (sysctlbyname("kern.crypto_stats", NULL, NULL, &stats, sizeof (stats)) < 0)
90 err(1, "kern.cryptostats");
91 exit(0);
92 }
93
94
95 printf("%u symmetric crypto ops (%u errors, %u times driver blocked)\n"
96 , stats.cs_ops, stats.cs_errs, stats.cs_blocks);
97 printf("%u key ops (%u errors, %u times driver blocked)\n"
98 , stats.cs_kops, stats.cs_kerrs, stats.cs_kblocks);
99 printf("%u crypto dispatch thread activations\n", stats.cs_intrs);
100 printf("%u crypto return thread activations\n", stats.cs_rets);
101 if (stats.cs_invoke.count) {
102 printf("\n");
103 printt("dispatch->invoke", &stats.cs_invoke);
104 printt("invoke->done", &stats.cs_done);
105 printt("done->cb", &stats.cs_cb);
106 printt("cb->finis", &stats.cs_finis);
107 }
108 return 0;
109 }
110