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