1 1.5 pgoyette /* $NetBSD: subr_syscall_stats.c,v 1.5 2019/01/27 02:08:43 pgoyette Exp $ */ 2 1.1 dsl 3 1.1 dsl /*- 4 1.1 dsl * Copyright (c) 2007 The NetBSD Foundation, Inc. 5 1.1 dsl * All rights reserved. 6 1.1 dsl * 7 1.1 dsl * This code is derived from software contributed to The NetBSD Foundation 8 1.1 dsl * by David Laight. 9 1.1 dsl * 10 1.1 dsl * Redistribution and use in source and binary forms, with or without 11 1.1 dsl * modification, are permitted provided that the following conditions 12 1.1 dsl * are met: 13 1.1 dsl * 1. Redistributions of source code must retain the above copyright 14 1.1 dsl * notice, this list of conditions and the following disclaimer. 15 1.1 dsl * 2. Redistributions in binary form must reproduce the above copyright 16 1.1 dsl * notice, this list of conditions and the following disclaimer in the 17 1.1 dsl * documentation and/or other materials provided with the distribution. 18 1.1 dsl * 19 1.1 dsl * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1 dsl * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1 dsl * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1 dsl * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1 dsl * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1 dsl * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1 dsl * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1 dsl * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1 dsl * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1 dsl * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1 dsl * POSSIBILITY OF SUCH DAMAGE. 30 1.1 dsl */ 31 1.1 dsl 32 1.1 dsl #include <sys/cdefs.h> 33 1.5 pgoyette __KERNEL_RCSID(0, "$NetBSD: subr_syscall_stats.c,v 1.5 2019/01/27 02:08:43 pgoyette Exp $"); 34 1.1 dsl 35 1.1 dsl #include "opt_syscall_stats.h" 36 1.1 dsl 37 1.1 dsl #include <sys/param.h> 38 1.1 dsl #include <sys/syscall.h> 39 1.1 dsl #include <sys/sysctl.h> 40 1.1 dsl 41 1.1 dsl #include <sys/syscall_stats.h> 42 1.1 dsl 43 1.1 dsl #ifdef SYSCALL_STATS 44 1.1 dsl uint64_t syscall_counts[SYS_NSYSENT]; 45 1.1 dsl uint64_t syscall_count_user, syscall_count_system, syscall_count_interrupt; 46 1.1 dsl 47 1.1 dsl #ifdef SYSCALL_TIMES 48 1.1 dsl uint64_t syscall_times[SYS_NSYSENT]; 49 1.1 dsl #endif 50 1.1 dsl 51 1.1 dsl SYSCTL_SETUP(sysctl_syscall_setup, "sysctl system call stats") 52 1.1 dsl { 53 1.1 dsl const struct sysctlnode *cnode; 54 1.1 dsl int kern_syscalls; 55 1.1 dsl 56 1.1 dsl sysctl_createv(clog, 0, NULL, &cnode, 57 1.1 dsl CTLFLAG_PERMANENT, 58 1.1 dsl CTLTYPE_NODE, "syscalls", 59 1.1 dsl SYSCTL_DESCR("per syscall statistics"), 60 1.1 dsl NULL, 0, NULL, 0, 61 1.1 dsl CTL_KERN, CTL_CREATE); 62 1.1 dsl kern_syscalls = cnode->sysctl_num; 63 1.1 dsl sysctl_createv(clog, 0, NULL, NULL, 64 1.1 dsl CTLFLAG_PERMANENT, 65 1.1 dsl CTLTYPE_STRUCT, "counts", 66 1.1 dsl SYSCTL_DESCR("per syscall counts"), 67 1.1 dsl NULL, 0, syscall_counts, sizeof syscall_counts, 68 1.1 dsl CTL_KERN, kern_syscalls, CTL_CREATE); 69 1.1 dsl #ifdef SYSCALL_TIMES 70 1.1 dsl sysctl_createv(clog, 0, NULL, NULL, 71 1.1 dsl CTLFLAG_PERMANENT, 72 1.1 dsl CTLTYPE_STRUCT, "times", 73 1.1 dsl SYSCTL_DESCR("per syscall times"), 74 1.1 dsl NULL, 0, syscall_times, sizeof syscall_times, 75 1.1 dsl CTL_KERN, kern_syscalls, CTL_CREATE); 76 1.1 dsl #endif 77 1.1 dsl } 78 1.1 dsl #endif 79
Indexes created Sat Sep 20 22:09:52 GMT 2025