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
27/*
28 * Little program to dump the crypto statistics block and, optionally,
29 * zero all the stats or just the timing stuff.
30 */
31
32#include <sys/types.h>
33#include <sys/sysctl.h>
34#include <sys/time.h>
35
36#include <crypto/cryptodev.h>
37
38#include <err.h>
39#include <stdio.h>
40#include <stdlib.h>
41#include <string.h>
42#include <strings.h>
43
44static void
45printt(const char* tag, struct cryptotstat *ts)
46{
47	uint64_t avg, min, max;
48
49	if (ts->count == 0)
50		return;
51	avg = (1000000000LL*ts->acc.tv_sec + ts->acc.tv_nsec) / ts->count;
52	min = 1000000000LL*ts->min.tv_sec + ts->min.tv_nsec;
53	max = 1000000000LL*ts->max.tv_sec + ts->max.tv_nsec;
54	printf("%16.16s: avg %6llu ns : min %6llu ns : max %7llu ns [%u samps]\n",
55		tag, avg, min, max, ts->count);
56}
57
58int
59main(int argc, char *argv[])
60{
61	struct cryptostats stats;
62	size_t slen;
63
64	slen = sizeof (stats);
65	if (sysctlbyname("kern.crypto_stats", &stats, &slen, NULL, 0) < 0)
66		err(1, "kern.cryptostats");
67
68	if (argc > 1 && strcmp(argv[1], "-z") == 0) {
69		bzero(&stats.cs_invoke, sizeof (stats.cs_invoke));
70		bzero(&stats.cs_done, sizeof (stats.cs_done));
71		bzero(&stats.cs_cb, sizeof (stats.cs_cb));
72		bzero(&stats.cs_finis, sizeof (stats.cs_finis));
73		stats.cs_invoke.min.tv_sec = 10000;
74		stats.cs_done.min.tv_sec = 10000;
75		stats.cs_cb.min.tv_sec = 10000;
76		stats.cs_finis.min.tv_sec = 10000;
77		if (sysctlbyname("kern.crypto_stats", NULL, NULL, &stats, sizeof (stats)) < 0)
78			err(1, "kern.cryptostats");
79		exit(0);
80	}
81	if (argc > 1 && strcmp(argv[1], "-Z") == 0) {
82		bzero(&stats, sizeof (stats));
83		stats.cs_invoke.min.tv_sec = 10000;
84		stats.cs_done.min.tv_sec = 10000;
85		stats.cs_cb.min.tv_sec = 10000;
86		stats.cs_finis.min.tv_sec = 10000;
87		if (sysctlbyname("kern.crypto_stats", NULL, NULL, &stats, sizeof (stats)) < 0)
88			err(1, "kern.cryptostats");
89		exit(0);
90	}
91
92
93	printf("%u symmetric crypto ops (%u errors, %u times driver blocked)\n"
94		, stats.cs_ops, stats.cs_errs, stats.cs_blocks);
95	printf("%u key ops (%u errors, %u times driver blocked)\n"
96		, stats.cs_kops, stats.cs_kerrs, stats.cs_kblocks);
97	printf("%u crypto dispatch thread activations\n", stats.cs_intrs);
98	printf("%u crypto return thread activations\n", stats.cs_rets);
99	if (stats.cs_invoke.count) {
100		printf("\n");
101		printt("dispatch->invoke", &stats.cs_invoke);
102		printt("invoke->done", &stats.cs_done);
103		printt("done->cb", &stats.cs_cb);
104		printt("cb->finis", &stats.cs_finis);
105	}
106	return 0;
107}
108