/*-
* Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* Little program to dump the crypto statistics block and, optionally,
* zero all the stats or just the timing stuff.
*/
#include <sys/types.h>
#include <sys/sysctl.h>
#include <sys/time.h>
#include <crypto/cryptodev.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
static void
printt(const char* tag, struct cryptotstat *ts)
{
uint64_t avg, min, max;
if (ts->count == 0)
return;
avg = (1000000000LL*ts->acc.tv_sec + ts->acc.tv_nsec) / ts->count;
min = 1000000000LL*ts->min.tv_sec + ts->min.tv_nsec;
max = 1000000000LL*ts->max.tv_sec + ts->max.tv_nsec;
printf("%16.16s: avg %6llu ns : min %6llu ns : max %7llu ns [%u samps]\n",
tag, avg, min, max, ts->count);
}
int
main(int argc, char *argv[])
{
struct cryptostats stats;
size_t slen;
slen = sizeof (stats);
if (sysctlbyname("kern.crypto_stats", &stats, &slen, NULL, 0) < 0)
err(1, "kern.cryptostats");
if (argc > 1 && strcmp(argv[1], "-z") == 0) {
bzero(&stats.cs_invoke, sizeof (stats.cs_invoke));
bzero(&stats.cs_done, sizeof (stats.cs_done));
bzero(&stats.cs_cb, sizeof (stats.cs_cb));
bzero(&stats.cs_finis, sizeof (stats.cs_finis));
stats.cs_invoke.min.tv_sec = 10000;
stats.cs_done.min.tv_sec = 10000;
stats.cs_cb.min.tv_sec = 10000;
stats.cs_finis.min.tv_sec = 10000;
if (sysctlbyname("kern.crypto_stats", NULL, NULL, &stats, sizeof (stats)) < 0)
err(1, "kern.cryptostats");
exit(0);
}
if (argc > 1 && strcmp(argv[1], "-Z") == 0) {
bzero(&stats, sizeof (stats));
stats.cs_invoke.min.tv_sec = 10000;
stats.cs_done.min.tv_sec = 10000;
stats.cs_cb.min.tv_sec = 10000;
stats.cs_finis.min.tv_sec = 10000;
if (sysctlbyname("kern.crypto_stats", NULL, NULL, &stats, sizeof (stats)) < 0)
err(1, "kern.cryptostats");
exit(0);
}
printf("%u symmetric crypto ops (%u errors, %u times driver blocked)\n"
, stats.cs_ops, stats.cs_errs, stats.cs_blocks);
printf("%u key ops (%u errors, %u times driver blocked)\n"
, stats.cs_kops, stats.cs_kerrs, stats.cs_kblocks);
printf("%u crypto dispatch thread activations\n", stats.cs_intrs);
printf("%u crypto return thread activations\n", stats.cs_rets);
if (stats.cs_invoke.count) {
printf("\n");
printt("dispatch->invoke", &stats.cs_invoke);
printt("invoke->done", &stats.cs_done);
printt("done->cb", &stats.cs_cb);
printt("cb->finis", &stats.cs_finis);
}
return 0;
}
