1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright (c) 1998-1999 by Sun Microsystems, Inc. 24*0Sstevel@tonic-gate * All rights reserved. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #include <sys/mdb_modapi.h> 30*0Sstevel@tonic-gate #include <sys/sysinfo.h> 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate /* 33*0Sstevel@tonic-gate * simple_echo dcmd - Demonstrate some simple argument processing by iterating 34*0Sstevel@tonic-gate * through the argument array and printing back each argument. 35*0Sstevel@tonic-gate */ 36*0Sstevel@tonic-gate static int 37*0Sstevel@tonic-gate simple_echo(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 38*0Sstevel@tonic-gate { 39*0Sstevel@tonic-gate if (flags & DCMD_ADDRSPEC) 40*0Sstevel@tonic-gate mdb_printf("You specified address %p\n", addr); 41*0Sstevel@tonic-gate else 42*0Sstevel@tonic-gate mdb_printf("Current address is %p\n", addr); 43*0Sstevel@tonic-gate 44*0Sstevel@tonic-gate while (argc-- != 0) { 45*0Sstevel@tonic-gate if (argv->a_type == MDB_TYPE_STRING) 46*0Sstevel@tonic-gate mdb_printf("%s ", argv->a_un.a_str); 47*0Sstevel@tonic-gate else 48*0Sstevel@tonic-gate mdb_printf("%llr ", argv->a_un.a_val); 49*0Sstevel@tonic-gate argv++; 50*0Sstevel@tonic-gate } 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate mdb_printf("\n"); 53*0Sstevel@tonic-gate return (DCMD_OK); 54*0Sstevel@tonic-gate } 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate /* 57*0Sstevel@tonic-gate * vminfo dcmd - Print out the global vminfo structure, nicely formatted. 58*0Sstevel@tonic-gate * This function illustrates one of the functions for reading data from 59*0Sstevel@tonic-gate * the target program (or core file): mdb_readvar(). The vminfo_t 60*0Sstevel@tonic-gate * structure contains cumulative counters for various system virtual 61*0Sstevel@tonic-gate * memory statistics. Each second, these are incremented by the current 62*0Sstevel@tonic-gate * values of freemem and the other corresponding statistical counters. 63*0Sstevel@tonic-gate */ 64*0Sstevel@tonic-gate /*ARGSUSED*/ 65*0Sstevel@tonic-gate static int 66*0Sstevel@tonic-gate vminfo(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 67*0Sstevel@tonic-gate { 68*0Sstevel@tonic-gate vminfo_t vm; 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate if ((flags & DCMD_ADDRSPEC) || argc != 0) 71*0Sstevel@tonic-gate return (DCMD_USAGE); 72*0Sstevel@tonic-gate 73*0Sstevel@tonic-gate if (mdb_readvar(&vm, "vminfo") == -1) { 74*0Sstevel@tonic-gate /* 75*0Sstevel@tonic-gate * If the mdb_warn string does not end in a \n, mdb will 76*0Sstevel@tonic-gate * automatically append the reason for the failure. 77*0Sstevel@tonic-gate */ 78*0Sstevel@tonic-gate mdb_warn("failed to read vminfo structure"); 79*0Sstevel@tonic-gate return (DCMD_ERR); 80*0Sstevel@tonic-gate } 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate mdb_printf("Cumulative memory statistics:\n"); 83*0Sstevel@tonic-gate mdb_printf("%8llu pages of free memory\n", vm.freemem); 84*0Sstevel@tonic-gate mdb_printf("%8llu pages of reserved swap\n", vm.swap_resv); 85*0Sstevel@tonic-gate mdb_printf("%8llu pages of allocated swap\n", vm.swap_alloc); 86*0Sstevel@tonic-gate mdb_printf("%8llu pages of unreserved swap\n", vm.swap_avail); 87*0Sstevel@tonic-gate mdb_printf("%8llu pages of unallocated swap\n", vm.swap_free); 88*0Sstevel@tonic-gate 89*0Sstevel@tonic-gate return (DCMD_OK); 90*0Sstevel@tonic-gate } 91*0Sstevel@tonic-gate 92*0Sstevel@tonic-gate /* 93*0Sstevel@tonic-gate * MDB module linkage information: 94*0Sstevel@tonic-gate * 95*0Sstevel@tonic-gate * We declare a list of structures describing our dcmds, and a function 96*0Sstevel@tonic-gate * named _mdb_init to return a pointer to our module information. 97*0Sstevel@tonic-gate */ 98*0Sstevel@tonic-gate 99*0Sstevel@tonic-gate static const mdb_dcmd_t dcmds[] = { 100*0Sstevel@tonic-gate { "simple_echo", "[ args ... ]", "echo back arguments", simple_echo }, 101*0Sstevel@tonic-gate { "vminfo", NULL, "print vm information", vminfo }, 102*0Sstevel@tonic-gate { NULL } 103*0Sstevel@tonic-gate }; 104*0Sstevel@tonic-gate 105*0Sstevel@tonic-gate static const mdb_modinfo_t modinfo = { 106*0Sstevel@tonic-gate MDB_API_VERSION, dcmds, NULL 107*0Sstevel@tonic-gate }; 108*0Sstevel@tonic-gate 109*0Sstevel@tonic-gate const mdb_modinfo_t * 110*0Sstevel@tonic-gate _mdb_init(void) 111*0Sstevel@tonic-gate { 112*0Sstevel@tonic-gate return (&modinfo); 113*0Sstevel@tonic-gate } 114