subr_syscall_stats.c revision 1.1.2.2
1 1.1.2.2 yamt /* $NetBSD: subr_syscall_stats.c,v 1.1.2.2 2007/02/26 09:11:16 yamt Exp $ */ 2 1.1.2.2 yamt 3 1.1.2.2 yamt /*- 4 1.1.2.2 yamt * Copyright (c) 2007 The NetBSD Foundation, Inc. 5 1.1.2.2 yamt * All rights reserved. 6 1.1.2.2 yamt * 7 1.1.2.2 yamt * This code is derived from software contributed to The NetBSD Foundation 8 1.1.2.2 yamt * by David Laight. 9 1.1.2.2 yamt * 10 1.1.2.2 yamt * Redistribution and use in source and binary forms, with or without 11 1.1.2.2 yamt * modification, are permitted provided that the following conditions 12 1.1.2.2 yamt * are met: 13 1.1.2.2 yamt * 1. Redistributions of source code must retain the above copyright 14 1.1.2.2 yamt * notice, this list of conditions and the following disclaimer. 15 1.1.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.2.2 yamt * notice, this list of conditions and the following disclaimer in the 17 1.1.2.2 yamt * documentation and/or other materials provided with the distribution. 18 1.1.2.2 yamt * 3. Neither the name of The NetBSD Foundation nor the names of its 19 1.1.2.2 yamt * contributors may be used to endorse or promote products derived 20 1.1.2.2 yamt * from this software without specific prior written permission. 21 1.1.2.2 yamt * 22 1.1.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23 1.1.2.2 yamt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 1.1.2.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 1.1.2.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26 1.1.2.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 1.1.2.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 1.1.2.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 1.1.2.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 1.1.2.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 1.1.2.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 1.1.2.2 yamt * POSSIBILITY OF SUCH DAMAGE. 33 1.1.2.2 yamt */ 34 1.1.2.2 yamt 35 1.1.2.2 yamt #include <sys/cdefs.h> 36 1.1.2.2 yamt __RCSID("$NetBSD: subr_syscall_stats.c,v 1.1.2.2 2007/02/26 09:11:16 yamt Exp $"); 37 1.1.2.2 yamt 38 1.1.2.2 yamt #include "opt_syscall_stats.h" 39 1.1.2.2 yamt 40 1.1.2.2 yamt #include <sys/param.h> 41 1.1.2.2 yamt #include <sys/syscall.h> 42 1.1.2.2 yamt #include <sys/sysctl.h> 43 1.1.2.2 yamt 44 1.1.2.2 yamt #include <sys/syscall_stats.h> 45 1.1.2.2 yamt 46 1.1.2.2 yamt #ifdef SYSCALL_STATS 47 1.1.2.2 yamt uint64_t syscall_counts[SYS_NSYSENT]; 48 1.1.2.2 yamt uint64_t syscall_count_user, syscall_count_system, syscall_count_interrupt; 49 1.1.2.2 yamt 50 1.1.2.2 yamt #ifdef SYSCALL_TIMES 51 1.1.2.2 yamt uint64_t syscall_times[SYS_NSYSENT]; 52 1.1.2.2 yamt #endif 53 1.1.2.2 yamt 54 1.1.2.2 yamt SYSCTL_SETUP(sysctl_syscall_setup, "sysctl system call stats") 55 1.1.2.2 yamt { 56 1.1.2.2 yamt const struct sysctlnode *cnode; 57 1.1.2.2 yamt int kern_syscalls; 58 1.1.2.2 yamt 59 1.1.2.2 yamt sysctl_createv(clog, 0, NULL, NULL, 60 1.1.2.2 yamt CTLFLAG_PERMANENT, 61 1.1.2.2 yamt CTLTYPE_NODE, "kern", NULL, 62 1.1.2.2 yamt NULL, 0, NULL, 0, 63 1.1.2.2 yamt CTL_KERN, CTL_EOL); 64 1.1.2.2 yamt sysctl_createv(clog, 0, NULL, &cnode, 65 1.1.2.2 yamt CTLFLAG_PERMANENT, 66 1.1.2.2 yamt CTLTYPE_NODE, "syscalls", 67 1.1.2.2 yamt SYSCTL_DESCR("per syscall statistics"), 68 1.1.2.2 yamt NULL, 0, NULL, 0, 69 1.1.2.2 yamt CTL_KERN, CTL_CREATE); 70 1.1.2.2 yamt kern_syscalls = cnode->sysctl_num; 71 1.1.2.2 yamt sysctl_createv(clog, 0, NULL, NULL, 72 1.1.2.2 yamt CTLFLAG_PERMANENT, 73 1.1.2.2 yamt CTLTYPE_STRUCT, "counts", 74 1.1.2.2 yamt SYSCTL_DESCR("per syscall counts"), 75 1.1.2.2 yamt NULL, 0, syscall_counts, sizeof syscall_counts, 76 1.1.2.2 yamt CTL_KERN, kern_syscalls, CTL_CREATE); 77 1.1.2.2 yamt #ifdef SYSCALL_TIMES 78 1.1.2.2 yamt sysctl_createv(clog, 0, NULL, NULL, 79 1.1.2.2 yamt CTLFLAG_PERMANENT, 80 1.1.2.2 yamt CTLTYPE_STRUCT, "times", 81 1.1.2.2 yamt SYSCTL_DESCR("per syscall times"), 82 1.1.2.2 yamt NULL, 0, syscall_times, sizeof syscall_times, 83 1.1.2.2 yamt CTL_KERN, kern_syscalls, CTL_CREATE); 84 1.1.2.2 yamt #endif 85 1.1.2.2 yamt } 86 1.1.2.2 yamt #endif 87
Indexes created Tue Sep 30 20:09:53 GMT 2025