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/chip", 47 "memory", 48 }; 49 50 #define A_CNT(arr) (sizeof (arr) / sizeof (arr[0])) 51 52 #define NHW A_CNT(pg_hw_names) 53 54 /* 55 * Convert HW id to symbolic name 56 */ 57 static char * 58 pg_hw_name(int hw) 59 { 60 return ((hw < 0 || hw > NHW) ? "UNKNOWN" : pg_hw_names[hw]); 61 } 62 63 /* 64 * Display processor group. 65 */ 66 /* ARGSUSED */ 67 int 68 pg(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 69 { 70 pg_t pg; 71 pghw_t pghw; 72 pg_class_t pg_class; 73 int opt_q = 0; /* display only address. */ 74 75 /* Should provide an address */ 76 if (! (flags & DCMD_ADDRSPEC)) 77 return (DCMD_USAGE); 78 79 if (mdb_getopts(argc, argv, 80 'q', MDB_OPT_SETBITS, TRUE, &opt_q, 81 NULL) != argc) 82 return (DCMD_USAGE); 83 84 if (flags & DCMD_PIPE_OUT) 85 opt_q = B_TRUE; 86 87 if (DCMD_HDRSPEC(flags) && !opt_q) { 88 mdb_printf("%6s %?s %6s %7s %9s %5s\n", 89 "PGID", 90 "ADDR", 91 "PHYSID", 92 "CLASS", 93 "HARDWARE", 94 "#CPUs"); 95 } 96 97 /* 98 * Read pg at specified address 99 */ 100 if (mdb_vread(&pg, sizeof (struct pg), addr) == -1) { 101 mdb_warn("unable to read 'pg' at %p", addr); 102 return (DCMD_ERR); 103 } 104 105 /* 106 * In quiet mode just print pg address 107 */ 108 if (opt_q) { 109 mdb_printf("%0?p\n", addr); 110 return (DCMD_OK); 111 } 112 113 if (mdb_vread(&pg_class, sizeof (struct pg_class), 114 (uintptr_t)pg.pg_class) == -1) { 115 mdb_warn("unable to read 'pg_class' at %p", pg.pg_class); 116 return (DCMD_ERR); 117 } 118 119 if (pg.pg_relation == PGR_PHYSICAL) { 120 if (mdb_vread(&pghw, sizeof (struct pghw), addr) == -1) { 121 mdb_warn("unable to read 'pghw' at %p", addr); 122 return (DCMD_ERR); 123 } 124 /* 125 * Display the physical PG info. 126 */ 127 mdb_printf("%6d %?p %6d %7s %9s %5d\n", 128 pg.pg_id, addr, pghw.pghw_instance, 129 pg_class.pgc_name, pg_hw_name(pghw.pghw_hw), 130 pg.pg_cpus.grp_size); 131 } else { 132 /* 133 * Display the basic PG info. 134 */ 135 mdb_printf("%6d %?p %7s %5d\n", 136 pg.pg_id, addr, pg_class.pgc_name, 137 pg.pg_cpus.grp_size); 138 } 139 140 return (DCMD_OK); 141 } 142