1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * Display processor group information 31 */ 32 33 #include "pg.h" 34 35 #include <mdb/mdb_modapi.h> 36 #include <sys/pghw.h> 37 38 /* 39 * PG hardware types indexed by hardware ID 40 */ 41 char *pg_hw_names[] = { 42 "hw", 43 "ipipe", 44 "cache", 45 "fpu", 46 "mpipe", 47 "chip", 48 "memory", 49 }; 50 51 #define A_CNT(arr) (sizeof (arr) / sizeof (arr[0])) 52 53 #define NHW A_CNT(pg_hw_names) 54 55 /* 56 * Convert HW id to symbolic name 57 */ 58 static char * 59 pg_hw_name(int hw) 60 { 61 return ((hw < 0 || hw > NHW) ? "UNKNOWN" : pg_hw_names[hw]); 62 } 63 64 /* 65 * Display processor group. 66 */ 67 /* ARGSUSED */ 68 int 69 pg(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 70 { 71 pg_t pg; 72 pghw_t pghw; 73 pg_class_t pg_class; 74 int opt_q = 0; /* display only address. */ 75 76 /* Should provide an address */ 77 if (! (flags & DCMD_ADDRSPEC)) 78 return (DCMD_USAGE); 79 80 if (mdb_getopts(argc, argv, 81 'q', MDB_OPT_SETBITS, TRUE, &opt_q, 82 NULL) != argc) 83 return (DCMD_USAGE); 84 85 if (flags & DCMD_PIPE_OUT) 86 opt_q = B_TRUE; 87 88 if (DCMD_HDRSPEC(flags) && !opt_q) { 89 mdb_printf("%6s %?s %6s %7s %9s %5s\n", 90 "PGID", 91 "ADDR", 92 "PHYSID", 93 "CLASS", 94 "HARDWARE", 95 "#CPUs"); 96 } 97 98 /* 99 * Read pg at specified address 100 */ 101 if (mdb_vread(&pg, sizeof (struct pg), addr) == -1) { 102 mdb_warn("unable to read 'pg' at %p", addr); 103 return (DCMD_ERR); 104 } 105 106 /* 107 * In quiet mode just print pg address 108 */ 109 if (opt_q) { 110 mdb_printf("%0?p\n", addr); 111 return (DCMD_OK); 112 } 113 114 if (mdb_vread(&pg_class, sizeof (struct pg_class), 115 (uintptr_t)pg.pg_class) == -1) { 116 mdb_warn("unable to read 'pg_class' at %p", pg.pg_class); 117 return (DCMD_ERR); 118 } 119 120 if (pg.pg_relation == PGR_PHYSICAL) { 121 if (mdb_vread(&pghw, sizeof (struct pghw), addr) == -1) { 122 mdb_warn("unable to read 'pghw' at %p", addr); 123 return (DCMD_ERR); 124 } 125 /* 126 * Display the physical PG info. 127 */ 128 mdb_printf("%6d %?p %6d %7s %9s %5d\n", 129 pg.pg_id, addr, pghw.pghw_instance, 130 pg_class.pgc_name, pg_hw_name(pghw.pghw_hw), 131 pg.pg_cpus.grp_size); 132 } else { 133 /* 134 * Display the basic PG info. 135 */ 136 mdb_printf("%6d %?p %7s %5d\n", 137 pg.pg_id, addr, pg_class.pgc_name, 138 pg.pg_cpus.grp_size); 139 } 140 141 return (DCMD_OK); 142 } 143