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 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 #include <sys/types.h> 29 30 #ifndef DEBUG 31 #define DEBUG 32 #define _SYS_DEBUG_H 33 #include <sys/xc_impl.h> 34 #undef DEBUG 35 #else 36 #define _SYS_DEBUG_H 37 #include <sys/xc_impl.h> 38 #endif 39 40 #include <sys/traptrace.h> 41 #include <sys/machparam.h> 42 #include <sys/ivintr.h> 43 #include <sys/mutex_impl.h> 44 45 #include <mdb/mdb_modapi.h> 46 #include <mdb/mdb_ctf.h> 47 #include "sfmmu.h" 48 49 #ifndef SYSTRAP_TT 50 #define SYSTRAP_TT 0x1300 51 #endif 52 53 typedef struct trap_trace_fullrec { 54 struct trap_trace_record ttf_rec; 55 int ttf_cpu; 56 } trap_trace_fullrec_t; 57 58 #ifdef sun4v 59 typedef struct htrap_trace_fullrec { 60 struct htrap_trace_record ttf_rec; 61 int ttf_cpu; 62 } htrap_trace_fullrec_t; 63 #endif 64 65 /* 66 * These strings and accompanying macros allow our string table to look 67 * just like the real table in trap_table.s. 68 */ 69 70 static const char NOT[] = "reserved"; /* common reserved string */ 71 static const char BAD[] = "unused"; /* common unused string */ 72 73 #define NOT4 NOT, NOT, NOT, NOT 74 #define BAD4 BAD, BAD, BAD, BAD 75 76 static const char *const ttdescr[] = { 77 NOT, /* 000 reserved */ 78 "power-on", /* 001 power on reset */ 79 "watchdog", /* 002 watchdog reset */ 80 "xir", /* 003 externally initiated reset */ 81 "sir", /* 004 software initiated reset */ 82 "red", /* 005 red mode exception */ 83 NOT, NOT, /* 006 - 007 reserved */ 84 "immu-xcp", /* 008 instruction access exception */ 85 "immu-miss", /* 009 instruction access MMU miss */ 86 "immu-err", /* 00A instruction access error */ 87 NOT, NOT4, /* 00B - 00F reserved */ 88 "ill-inst", /* 010 illegal instruction */ 89 "priv-inst", /* 011 privileged opcode */ 90 "unimp-ldd", /* 012 unimplemented LDD */ 91 "unimp-std", /* 013 unimplemented STD */ 92 NOT4, NOT4, NOT4, /* 014 - 01F reserved */ 93 "fp-disable", /* 020 fp disabled */ 94 "fp-ieee754", /* 021 fp exception ieee 754 */ 95 "fp-xcp-other", /* 022 fp exception other */ 96 "tag-oflow", /* 023 tag overflow */ 97 "cleanwin", /* 024 clean window */ 98 "cleanwin", /* 025 clean window */ 99 "cleanwin", /* 026 clean window */ 100 "cleanwin", /* 027 clean window */ 101 "div-zero", /* 028 division by zero */ 102 "internal-err", /* 029 internal processor error */ 103 NOT, NOT, NOT4, /* 02A - 02F reserved */ 104 "dmmu-xcp", /* 030 data access exception */ 105 "dmmu-miss", /* 031 data access MMU miss */ 106 "dmmu-err", /* 032 data access error */ 107 "dmmu-prot", /* 033 data access protection */ 108 "unalign", /* 034 mem address not aligned */ 109 "lddf-unalign", /* 035 LDDF mem address not aligned */ 110 "stdf-unalign", /* 036 STDF mem address not aligned */ 111 "priv-act", /* 037 privileged action */ 112 "ldqf-unalign", /* 038 LDQF mem address not aligned */ 113 "stqf-unalign", /* 039 STQF mem address not aligned */ 114 NOT, NOT, NOT4, /* 03A - 03F reserved */ 115 "async-d-err", /* 040 async data error */ 116 "level-1", /* 041 interrupt level 1 */ 117 "level-2", /* 042 interrupt level 2 */ 118 "level-3", /* 043 interrupt level 3 */ 119 "level-4", /* 044 interrupt level 4 */ 120 "level-5", /* 045 interrupt level 5 */ 121 "level-6", /* 046 interrupt level 6 */ 122 "level-7", /* 047 interrupt level 7 */ 123 "level-8", /* 048 interrupt level 8 */ 124 "level-9", /* 049 interrupt level 9 */ 125 "level-10", /* 04A interrupt level 10 */ 126 "level-11", /* 04B interrupt level 11 */ 127 "level-12", /* 04C interrupt level 12 */ 128 "level-13", /* 04D interrupt level 13 */ 129 "level-14", /* 04E interrupt level 14 */ 130 "level-15", /* 04F interrupt level 15 */ 131 NOT4, NOT4, NOT4, NOT4, /* 050 - 05F reserved */ 132 "int-vec", /* 060 interrupt vector */ 133 "pa-watch", /* 061 PA watchpoint */ 134 "va-watch", /* 062 VA watchpoint */ 135 "ecc-err", /* 063 corrected ECC error */ 136 "itlb-miss", /* 064 instruction access MMU miss */ 137 "itlb-miss", /* 065 instruction access MMU miss */ 138 "itlb-miss", /* 066 instruction access MMU miss */ 139 "itlb-miss", /* 067 instruction access MMU miss */ 140 "dtlb-miss", /* 068 data access MMU miss */ 141 "dtlb-miss", /* 069 data access MMU miss */ 142 "dtlb-miss", /* 06A data access MMU miss */ 143 "dtlb-miss", /* 06B data access MMU miss */ 144 "dtlb-prot", /* 06C data access protection */ 145 "dtlb-prot", /* 06D data access protection */ 146 "dtlb-prot", /* 06E data access protection */ 147 "dtlb-prot", /* 06F data access protection */ 148 "fast-ecc-err", /* 070 fast ecache ECC error */ 149 "dp-err", /* 071 data cache parity error */ 150 "ip-err", /* 072 instr cache parity error */ 151 NOT, NOT4, NOT4, /* 073 - 07B reserved */ 152 #ifdef sun4v 153 "cpu-mondo", /* 07C CPU mondo */ 154 "dev-mondo", /* 07D device mondo */ 155 "res.-err", /* 07E resumable error */ 156 "non-res.-err", /* 07F non-resumable error */ 157 #else 158 NOT4, /* 07C - 07F reserved */ 159 #endif 160 "spill-0-norm", /* 080 spill 0 normal */ 161 "spill-0-norm", /* 081 spill 0 normal */ 162 "spill-0-norm", /* 082 spill 0 normal */ 163 "spill-0-norm", /* 083 spill 0 normal */ 164 "spill-1-norm", /* 084 spill 1 normal */ 165 "spill-1-norm", /* 085 spill 1 normal */ 166 "spill-1-norm", /* 086 spill 1 normal */ 167 "spill-1-norm", /* 087 spill 1 normal */ 168 "spill-2-norm", /* 088 spill 2 normal */ 169 "spill-2-norm", /* 089 spill 2 normal */ 170 "spill-2-norm", /* 08A spill 2 normal */ 171 "spill-2-norm", /* 08B spill 2 normal */ 172 "spill-3-norm", /* 08C spill 3 normal */ 173 "spill-3-norm", /* 08D spill 3 normal */ 174 "spill-3-norm", /* 08E spill 3 normal */ 175 "spill-3-norm", /* 08F spill 3 normal */ 176 "spill-4-norm", /* 090 spill 4 normal */ 177 "spill-4-norm", /* 091 spill 4 normal */ 178 "spill-4-norm", /* 092 spill 4 normal */ 179 "spill-4-norm", /* 093 spill 4 normal */ 180 "spill-5-norm", /* 094 spill 5 normal */ 181 "spill-5-norm", /* 095 spill 5 normal */ 182 "spill-5-norm", /* 096 spill 5 normal */ 183 "spill-5-norm", /* 097 spill 5 normal */ 184 "spill-6-norm", /* 098 spill 6 normal */ 185 "spill-6-norm", /* 099 spill 6 normal */ 186 "spill-6-norm", /* 09A spill 6 normal */ 187 "spill-6-norm", /* 09B spill 6 normal */ 188 "spill-7-norm", /* 09C spill 7 normal */ 189 "spill-7-norm", /* 09D spill 7 normal */ 190 "spill-7-norm", /* 09E spill 7 normal */ 191 "spill-7-norm", /* 09F spill 7 normal */ 192 "spill-0-oth", /* 0A0 spill 0 other */ 193 "spill-0-oth", /* 0A1 spill 0 other */ 194 "spill-0-oth", /* 0A2 spill 0 other */ 195 "spill-0-oth", /* 0A3 spill 0 other */ 196 "spill-1-oth", /* 0A4 spill 1 other */ 197 "spill-1-oth", /* 0A5 spill 1 other */ 198 "spill-1-oth", /* 0A6 spill 1 other */ 199 "spill-1-oth", /* 0A7 spill 1 other */ 200 "spill-2-oth", /* 0A8 spill 2 other */ 201 "spill-2-oth", /* 0A9 spill 2 other */ 202 "spill-2-oth", /* 0AA spill 2 other */ 203 "spill-2-oth", /* 0AB spill 2 other */ 204 "spill-3-oth", /* 0AC spill 3 other */ 205 "spill-3-oth", /* 0AD spill 3 other */ 206 "spill-3-oth", /* 0AE spill 3 other */ 207 "spill-3-oth", /* 0AF spill 3 other */ 208 "spill-4-oth", /* 0B0 spill 4 other */ 209 "spill-4-oth", /* 0B1 spill 4 other */ 210 "spill-4-oth", /* 0B2 spill 4 other */ 211 "spill-4-oth", /* 0B3 spill 4 other */ 212 "spill-5-oth", /* 0B4 spill 5 other */ 213 "spill-5-oth", /* 0B5 spill 5 other */ 214 "spill-5-oth", /* 0B6 spill 5 other */ 215 "spill-5-oth", /* 0B7 spill 5 other */ 216 "spill-6-oth", /* 0B8 spill 6 other */ 217 "spill-6-oth", /* 0B9 spill 6 other */ 218 "spill-6-oth", /* 0BA spill 6 other */ 219 "spill-6-oth", /* 0BB spill 6 other */ 220 "spill-7-oth", /* 0BC spill 7 other */ 221 "spill-7-oth", /* 0BD spill 7 other */ 222 "spill-7-oth", /* 0BE spill 7 other */ 223 "spill-7-oth", /* 0BF spill 7 other */ 224 "fill-0-norm", /* 0C0 fill 0 normal */ 225 "fill-0-norm", /* 0C1 fill 0 normal */ 226 "fill-0-norm", /* 0C2 fill 0 normal */ 227 "fill-0-norm", /* 0C3 fill 0 normal */ 228 "fill-1-norm", /* 0C4 fill 1 normal */ 229 "fill-1-norm", /* 0C5 fill 1 normal */ 230 "fill-1-norm", /* 0C6 fill 1 normal */ 231 "fill-1-norm", /* 0C7 fill 1 normal */ 232 "fill-2-norm", /* 0C8 fill 2 normal */ 233 "fill-2-norm", /* 0C9 fill 2 normal */ 234 "fill-2-norm", /* 0CA fill 2 normal */ 235 "fill-2-norm", /* 0CB fill 2 normal */ 236 "fill-3-norm", /* 0CC fill 3 normal */ 237 "fill-3-norm", /* 0CD fill 3 normal */ 238 "fill-3-norm", /* 0CE fill 3 normal */ 239 "fill-3-norm", /* 0CF fill 3 normal */ 240 "fill-4-norm", /* 0D0 fill 4 normal */ 241 "fill-4-norm", /* 0D1 fill 4 normal */ 242 "fill-4-norm", /* 0D2 fill 4 normal */ 243 "fill-4-norm", /* 0D3 fill 4 normal */ 244 "fill-5-norm", /* 0D4 fill 5 normal */ 245 "fill-5-norm", /* 0D5 fill 5 normal */ 246 "fill-5-norm", /* 0D6 fill 5 normal */ 247 "fill-5-norm", /* 0D7 fill 5 normal */ 248 "fill-6-norm", /* 0D8 fill 6 normal */ 249 "fill-6-norm", /* 0D9 fill 6 normal */ 250 "fill-6-norm", /* 0DA fill 6 normal */ 251 "fill-6-norm", /* 0DB fill 6 normal */ 252 "fill-7-norm", /* 0DC fill 7 normal */ 253 "fill-7-norm", /* 0DD fill 7 normal */ 254 "fill-7-norm", /* 0DE fill 7 normal */ 255 "fill-7-norm", /* 0DF fill 7 normal */ 256 "fill-0-oth", /* 0E0 fill 0 other */ 257 "fill-0-oth", /* 0E1 fill 0 other */ 258 "fill-0-oth", /* 0E2 fill 0 other */ 259 "fill-0-oth", /* 0E3 fill 0 other */ 260 "fill-1-oth", /* 0E4 fill 1 other */ 261 "fill-1-oth", /* 0E5 fill 1 other */ 262 "fill-1-oth", /* 0E6 fill 1 other */ 263 "fill-1-oth", /* 0E7 fill 1 other */ 264 "fill-2-oth", /* 0E8 fill 2 other */ 265 "fill-2-oth", /* 0E9 fill 2 other */ 266 "fill-2-oth", /* 0EA fill 2 other */ 267 "fill-2-oth", /* 0EB fill 2 other */ 268 "fill-3-oth", /* 0EC fill 3 other */ 269 "fill-3-oth", /* 0ED fill 3 other */ 270 "fill-3-oth", /* 0EE fill 3 other */ 271 "fill-3-oth", /* 0EF fill 3 other */ 272 "fill-4-oth", /* 0F0 fill 4 other */ 273 "fill-4-oth", /* 0F1 fill 4 other */ 274 "fill-4-oth", /* 0F2 fill 4 other */ 275 "fill-4-oth", /* 0F3 fill 4 other */ 276 "fill-5-oth", /* 0F4 fill 5 other */ 277 "fill-5-oth", /* 0F5 fill 5 other */ 278 "fill-5-oth", /* 0F6 fill 5 other */ 279 "fill-5-oth", /* 0F7 fill 5 other */ 280 "fill-6-oth", /* 0F8 fill 6 other */ 281 "fill-6-oth", /* 0F9 fill 6 other */ 282 "fill-6-oth", /* 0FA fill 6 other */ 283 "fill-6-oth", /* 0FB fill 6 other */ 284 "fill-7-oth", /* 0FC fill 7 other */ 285 "fill-7-oth", /* 0FD fill 7 other */ 286 "fill-7-oth", /* 0FE fill 7 other */ 287 "fill-7-oth", /* 0FF fill 7 other */ 288 "syscall-4x", /* 100 old system call */ 289 "usr-brkpt", /* 101 user breakpoint */ 290 "usr-div-zero", /* 102 user divide by zero */ 291 "flush-wins", /* 103 flush windows */ 292 "clean-wins", /* 104 clean windows */ 293 "range-chk", /* 105 range check ?? */ 294 "fix-align", /* 106 do unaligned references */ 295 BAD, /* 107 unused */ 296 "syscall-32", /* 108 ILP32 system call on LP64 */ 297 "set-t0-addr", /* 109 set trap0 address */ 298 BAD, BAD, BAD4, /* 10A - 10F unused */ 299 BAD4, BAD4, BAD4, BAD4, /* 110 - 11F unused (V9 user traps?) */ 300 "get-cc", /* 120 get condition codes */ 301 "set-cc", /* 121 set condition codes */ 302 "get-psr", /* 122 get psr */ 303 "set-psr", /* 123 set psr (some fields) */ 304 "getts", /* 124 get timestamp */ 305 "gethrvtime", /* 125 get lwp virtual time */ 306 "self-xcall", /* 126 self xcall */ 307 "gethrtime", /* 127 get hrestime */ 308 BAD, /* 128 unused (ST_SETV9STACK) */ 309 "getlgrp", /* 129 get lgrpid */ 310 BAD, BAD, BAD4, /* 12A - 12F unused */ 311 BAD4, BAD4, /* 130 - 137 unused */ 312 "dtrace-pid", /* 138 DTrace pid provider */ 313 BAD, /* 139 unused */ 314 "dtrace-return", /* 13A DTrace pid provider */ 315 BAD, BAD4, /* 13B - 13F unused */ 316 "syscall-64", /* 140 LP64 system call */ 317 BAD, /* 141 unused */ 318 "tt-freeze", /* 142 freeze traptrace */ 319 "tt-unfreeze", /* 143 unfreeze traptrace */ 320 BAD4, BAD4, BAD4, /* 144 - 14F unused */ 321 BAD4, BAD4, BAD4, BAD4, /* 150 - 15F unused */ 322 BAD4, BAD4, BAD4, BAD4, /* 160 - 16F unused */ 323 BAD4, BAD4, BAD4, /* 170 - 17B unused */ 324 "ptl1-panic", /* 17C test ptl1_panic */ 325 "kmdb-enter", /* 17D kmdb enter (L1-A) */ 326 "kmdb-brkpt", /* 17E kmdb breakpoint */ 327 "obp-brkpt", /* 17F obp breakpoint */ 328 #ifdef sun4v 329 "fast_trap", /* 180 hypervisor fast trap */ 330 "cpu_tick_npt", /* 181 cpu_tick_npt() hcall */ 331 "cpu_stick_npt", /* 182 cpu_stick_npt() hcall */ 332 "mmu_map_addr", /* 183 mmu_map_addr() hcall */ 333 "mmu_unmap_addr", /* 184 mmu_unmap_addr() hcall */ 334 "ttrace_addentry", /* 185 ttrace_addentry() hcall */ 335 NOT, NOT, NOT4, NOT4, /* 186 - 18F reserved */ 336 #else 337 NOT4, NOT4, NOT4, NOT4, /* 180 - 18F reserved */ 338 #endif 339 NOT4, NOT4, NOT4, NOT4, /* 190 - 19F reserved */ 340 NOT4, NOT4, NOT4, NOT4, /* 1A0 - 1AF reserved */ 341 NOT4, NOT4, NOT4, NOT4, /* 1B0 - 1BF reserved */ 342 NOT4, NOT4, NOT4, NOT4, /* 1C0 - 1CF reserved */ 343 NOT4, NOT4, NOT4, NOT4, /* 1D0 - 1DF reserved */ 344 NOT4, NOT4, NOT4, NOT4, /* 1E0 - 1EF reserved */ 345 NOT4, NOT4, NOT4, NOT4 /* 1F0 - 1FF reserved */ 346 }; 347 static const size_t ttndescr = sizeof (ttdescr) / sizeof (ttdescr[0]); 348 349 static GElf_Sym iv_sym; 350 static GElf_Sym iv_nohandler_sym; 351 352 /* 353 * Persistent data (shouldn't change). 354 */ 355 static int ncpu; /* _ncpu */ 356 static ssize_t mbox_size; /* size of xc_mbox */ 357 static ulong_t mbox_stoff; /* offset of xc_mbox.xc_state */ 358 static mdb_ctf_id_t mbox_states; /* xc_state enumeration */ 359 360 static int 361 fetch_ncpu(void) 362 { 363 if (ncpu == 0) 364 if (mdb_readsym(&ncpu, sizeof (ncpu), "_ncpu") == -1) { 365 mdb_warn("symbol '_ncpu' not found"); 366 return (1); 367 } 368 return (0); 369 } 370 371 static int 372 fetch_mbox(void) 373 { 374 if (mbox_size <= 0) { 375 mdb_ctf_id_t id; 376 377 if (mdb_ctf_lookup_by_name("struct xc_mbox", &id) == -1) { 378 mdb_warn("couldn't find type 'struct xc_mbox'"); 379 return (1); 380 } 381 382 /* 383 * These two could be combined into a single call to 384 * mdb_ctf_member_info if xc_state was actually of type 385 * enum xc_states. 386 */ 387 if (mdb_ctf_lookup_by_name("enum xc_states", 388 &mbox_states) == -1) { 389 mdb_warn("couldn't find type 'enum xc_states'"); 390 return (1); 391 } 392 if (mdb_ctf_offsetof(id, "xc_state", &mbox_stoff) == -1) { 393 mdb_warn("couldn't find 'xc_mbox.xc_state'"); 394 return (1); 395 } 396 mbox_stoff /= NBBY; 397 398 if ((mbox_size = mdb_ctf_type_size(id)) == -1) { 399 mdb_warn("couldn't size 'struct xc_mbox'"); 400 return (1); 401 } 402 } 403 return (0); 404 } 405 406 static int 407 print_range(int start, int end, int separator) 408 { 409 int count; 410 char tmp; 411 char *format; 412 413 if (start == end) { 414 /* Unfortunately, mdb_printf returns void */ 415 format = separator ? ", %d" : "%d"; 416 mdb_printf(format, start); 417 count = mdb_snprintf(&tmp, 1, format, start); 418 } else { 419 format = separator ? ", %d-%d" : "%d-%d"; 420 mdb_printf(format, start, end); 421 count = mdb_snprintf(&tmp, 1, format, start, end); 422 } 423 424 return (count); 425 } 426 427 static void 428 print_cpuset_range(ulong_t *cs, int words, int width) 429 { 430 int i, j; 431 ulong_t m; 432 int in = 0; 433 int start; 434 int end; 435 int count = 0; 436 int sep = 0; 437 438 for (i = 0; i < words; i++) 439 for (j = 0, m = 1; j < BT_NBIPUL; j++, m <<= 1) 440 if (cs[i] & m) { 441 if (in == 0) { 442 start = i * BT_NBIPUL + j; 443 in = 1; 444 } 445 } else { 446 if (in == 1) { 447 end = i * BT_NBIPUL + j - 1; 448 count += print_range(start, end, sep); 449 sep = 1; 450 in = 0; 451 } 452 } 453 if (in == 1) { 454 end = i * BT_NBIPUL - 1; 455 count += print_range(start, end, sep); 456 } 457 458 while (count++ < width) 459 mdb_printf(" "); 460 } 461 462 /*ARGSUSED*/ 463 static int 464 cmd_cpuset(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 465 { 466 uint_t rflag = 0, lflag = 0; 467 int words; 468 ulong_t *setp, set = 0; 469 470 if (mdb_getopts(argc, argv, 471 'l', MDB_OPT_SETBITS, TRUE, &lflag, 472 'r', MDB_OPT_SETBITS, TRUE, &rflag, NULL) != argc) 473 return (DCMD_USAGE); 474 475 if (lflag && rflag) 476 return (DCMD_USAGE); 477 478 if (fetch_ncpu()) 479 return (DCMD_ERR); 480 481 if ((words = BT_BITOUL(ncpu)) == 1) { 482 setp = &set; 483 mdb_vread(setp, sizeof (ulong_t), addr); 484 } else { 485 setp = mdb_alloc(words * sizeof (ulong_t), UM_SLEEP | UM_GC); 486 mdb_vread(setp, words * sizeof (ulong_t), addr); 487 } 488 489 if (lflag) { 490 int i, j; 491 ulong_t m; 492 493 for (i = 0; i < words; i++) 494 for (j = 0, m = 1; j < BT_NBIPUL; j++, m <<= 1) 495 if (setp[i] & m) 496 mdb_printf("%r\n", i * BT_NBIPUL + j); 497 } else if (rflag) { 498 int i; 499 int sep = 0; 500 501 for (i = 0; i < words; i++) { 502 mdb_printf(sep ? " %?0lx" : "%?0lx", setp[i]); 503 sep = 1; 504 } 505 } else { 506 print_cpuset_range(setp, words, 0); 507 } 508 509 return (DCMD_OK); 510 } 511 512 /*ARGSUSED*/ 513 int 514 ttctl(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 515 { 516 TRAP_TRACE_CTL *ctls, *ctl; 517 int i, traptrace_buf_inuse = 0; 518 519 if (argc != 0) 520 return (DCMD_USAGE); 521 522 if (fetch_ncpu()) 523 return (DCMD_ERR); 524 525 ctls = mdb_alloc(sizeof (TRAP_TRACE_CTL) * ncpu, UM_SLEEP | UM_GC); 526 if (mdb_readsym(ctls, sizeof (TRAP_TRACE_CTL) * ncpu, 527 "trap_trace_ctl") == -1) { 528 mdb_warn("symbol 'trap_trace_ctl' not found"); 529 return (DCMD_ERR); 530 } 531 532 for (ctl = &ctls[0], i = 0; i < ncpu; i++, ctl++) { 533 if (ctl->d.vaddr_base == 0) 534 continue; 535 536 traptrace_buf_inuse = 1; 537 mdb_printf("trap_trace_ctl[%d] = {\n", i); 538 mdb_printf(" vaddr_base = 0x%lx\n", (long)ctl->d.vaddr_base); 539 mdb_printf(" last_offset = 0x%x\n", ctl->d.last_offset); 540 mdb_printf(" offset = 0x%x\n", ctl->d.offset); 541 mdb_printf(" limit = 0x%x\n", ctl->d.limit); 542 mdb_printf(" paddr_base = 0x%llx\n", ctl->d.paddr_base); 543 mdb_printf(" asi = 0x%02x\n}\n", ctl->d.asi); 544 } 545 if (!traptrace_buf_inuse) { 546 mdb_warn("traptrace not configured"); 547 return (DCMD_ERR); 548 } 549 550 return (DCMD_OK); 551 } 552 553 /*ARGSUSED*/ 554 static int 555 ttprint_short(uintptr_t addr, const trap_trace_fullrec_t *full, int *cpu) 556 { 557 const char *ttstr; 558 const struct trap_trace_record *ttp = &full->ttf_rec; 559 560 if (*cpu == -1) 561 mdb_printf("%3d ", full->ttf_cpu); 562 else 563 if (*cpu != full->ttf_cpu) 564 return (0); 565 566 /* 567 * Decoding the traptype field is a bit messy. First we check for 568 * several well-defined 16-bit values defined in <sys/traptrace.h>. 569 */ 570 switch (ttp->tt_tt) { 571 case TT_SC_ENTR: 572 ttstr = "sys-enter"; 573 break; 574 case TT_SC_RET: 575 ttstr = "sys-exit"; 576 break; 577 case TT_SYS_RTT_PROM: 578 ttstr = "prom_rtt"; 579 break; 580 case TT_SYS_RTT_PRIV: 581 ttstr = "priv_rtt"; 582 break; 583 case TT_SYS_RTT_USER: 584 ttstr = "user_rtt"; 585 break; 586 case TT_INTR_EXIT: 587 ttstr = "int-thr-exit"; 588 break; 589 default: 590 /* 591 * Next we consider several prefixes (which are 592 * typically OR'd with other information such as the 593 * %pil or %tt value at the time of the trace). 594 */ 595 switch (ttp->tt_tt & 0xff00) { 596 case TT_SERVE_INTR: 597 ttstr = "serve-intr"; 598 break; 599 case TT_XCALL: 600 ttstr = "xcall"; 601 break; 602 case TT_XCALL_CONT: 603 ttstr = "xcall-cont"; 604 break; 605 case SYSTRAP_TT: 606 ttstr = "sys_trap"; 607 break; 608 default: 609 /* 610 * Otherwise we try to convert the 611 * tt value to a string using our 612 * giant lookup table. 613 */ 614 ttstr = ttp->tt_tt < ttndescr ? 615 ttdescr[ttp->tt_tt] : "?"; 616 } 617 } 618 619 #ifdef sun4v 620 mdb_printf("%016llx %04hx %-12s %02x %02x %0?p %A\n", ttp->tt_tick, 621 ttp->tt_tt, ttstr, ttp->tt_tl, ttp->tt_gl, 622 ttp->tt_tpc, ttp->tt_tpc); 623 #else 624 mdb_printf("%016llx %04hx %-12s %04hx %0?p %A\n", ttp->tt_tick, 625 ttp->tt_tt, ttstr, ttp->tt_tl, ttp->tt_tpc, ttp->tt_tpc); 626 #endif 627 628 return (WALK_NEXT); 629 } 630 631 /*ARGSUSED*/ 632 static int 633 ttprint_long(uintptr_t addr, const trap_trace_fullrec_t *full, int *cpu) 634 { 635 const struct trap_trace_record *ttp = &full->ttf_rec; 636 637 if (*cpu == -1) 638 mdb_printf("%3d ", full->ttf_cpu); 639 else if (*cpu != full->ttf_cpu) 640 return (WALK_NEXT); 641 642 #ifdef sun4v 643 mdb_printf("%016llx %016llx %04hx %02x %02x %0?p %0?p %0?p " 644 "[%p,%p,%p,%p]\n", 645 ttp->tt_tick, ttp->tt_tstate, ttp->tt_tt, ttp->tt_tl, ttp->tt_gl, 646 ttp->tt_tpc, ttp->tt_sp, ttp->tt_tr, 647 ttp->tt_f1, ttp->tt_f2, ttp->tt_f3, ttp->tt_f4); 648 #else 649 mdb_printf("%016llx %016llx %04hx %04hx %0?p %0?p %0?p [%p,%p,%p,%p]\n", 650 ttp->tt_tick, ttp->tt_tstate, ttp->tt_tt, ttp->tt_tl, 651 ttp->tt_tpc, ttp->tt_sp, ttp->tt_tr, 652 ttp->tt_f1, ttp->tt_f2, ttp->tt_f3, ttp->tt_f4); 653 #endif 654 655 return (WALK_NEXT); 656 } 657 658 typedef struct ttrace_cpu_data { 659 struct trap_trace_record *tc_buf; 660 struct trap_trace_record *tc_rec; 661 struct trap_trace_record *tc_stop; 662 size_t tc_bufsiz; 663 uintptr_t tc_base; 664 } ttrace_cpu_data_t; 665 666 typedef struct ttrace_walk_data { 667 int tw_ncpu; 668 ttrace_cpu_data_t *tw_cpus; 669 } ttrace_walk_data_t; 670 671 int 672 ttrace_walk_init(mdb_walk_state_t *wsp) 673 { 674 TRAP_TRACE_CTL *ctls, *ctl; 675 int i, traptrace_buf_inuse = 0; 676 ttrace_walk_data_t *tw; 677 ttrace_cpu_data_t *tc; 678 struct trap_trace_record *buf; 679 680 if (wsp->walk_addr != NULL) { 681 mdb_warn("ttrace only supports global walks\n"); 682 return (WALK_ERR); 683 } 684 685 if (fetch_ncpu()) 686 return (WALK_ERR); 687 688 ctls = mdb_alloc(sizeof (TRAP_TRACE_CTL) * ncpu, UM_SLEEP); 689 if (mdb_readsym(ctls, sizeof (TRAP_TRACE_CTL) * ncpu, 690 "trap_trace_ctl") == -1) { 691 mdb_warn("symbol 'trap_trace_ctl' not found"); 692 mdb_free(ctls, sizeof (TRAP_TRACE_CTL) * ncpu); 693 return (WALK_ERR); 694 } 695 696 tw = mdb_zalloc(sizeof (ttrace_walk_data_t), UM_SLEEP); 697 tw->tw_ncpu = ncpu; 698 tw->tw_cpus = mdb_zalloc(sizeof (ttrace_cpu_data_t) * ncpu, UM_SLEEP); 699 700 for (i = 0; i < ncpu; i++) { 701 ctl = &ctls[i]; 702 703 if (ctl->d.vaddr_base == 0) 704 continue; 705 706 traptrace_buf_inuse = 1; 707 tc = &(tw->tw_cpus[i]); 708 tc->tc_bufsiz = ctl->d.limit - 709 sizeof (struct trap_trace_record); 710 tc->tc_buf = buf = mdb_alloc(tc->tc_bufsiz, UM_SLEEP); 711 tc->tc_base = (uintptr_t)ctl->d.vaddr_base; 712 713 if (mdb_vread(buf, tc->tc_bufsiz, tc->tc_base) == -1) { 714 mdb_warn("failed to read trap trace buffer at %p", 715 ctl->d.vaddr_base); 716 mdb_free(buf, tc->tc_bufsiz); 717 tc->tc_buf = NULL; 718 } else { 719 tc->tc_rec = (struct trap_trace_record *) 720 ((uintptr_t)buf + (uintptr_t)ctl->d.last_offset); 721 tc->tc_stop = (struct trap_trace_record *) 722 ((uintptr_t)buf + (uintptr_t)ctl->d.offset); 723 } 724 } 725 if (!traptrace_buf_inuse) { 726 mdb_warn("traptrace not configured"); 727 mdb_free(ctls, sizeof (TRAP_TRACE_CTL) * ncpu); 728 return (DCMD_ERR); 729 } 730 731 mdb_free(ctls, sizeof (TRAP_TRACE_CTL) * ncpu); 732 wsp->walk_data = tw; 733 return (WALK_NEXT); 734 } 735 736 int 737 ttrace_walk_step(mdb_walk_state_t *wsp) 738 { 739 ttrace_walk_data_t *tw = wsp->walk_data; 740 ttrace_cpu_data_t *tc; 741 struct trap_trace_record *rec; 742 int oldest, i, status; 743 uint64_t oldest_tick = 0; 744 int done = 1; 745 trap_trace_fullrec_t fullrec; 746 747 for (i = 0; i < tw->tw_ncpu; i++) { 748 tc = &(tw->tw_cpus[i]); 749 750 if (tc->tc_rec == NULL) 751 continue; 752 done = 0; 753 754 if (tc->tc_rec->tt_tick == 0) 755 mdb_warn("Warning: tt_tick == 0\n"); 756 757 if (tc->tc_rec->tt_tick > oldest_tick) { 758 oldest_tick = tc->tc_rec->tt_tick; 759 oldest = i; 760 } 761 } 762 763 if (done) 764 return (-1); 765 766 tc = &(tw->tw_cpus[oldest]); 767 rec = tc->tc_rec; 768 769 fullrec.ttf_rec = *rec; 770 fullrec.ttf_cpu = oldest; 771 772 if (oldest_tick != 0) 773 status = wsp->walk_callback((uintptr_t)rec - 774 (uintptr_t)tc->tc_buf + tc->tc_base, &fullrec, 775 wsp->walk_cbdata); 776 777 tc->tc_rec--; 778 779 if (tc->tc_rec < tc->tc_buf) 780 tc->tc_rec = (struct trap_trace_record *)((uintptr_t) 781 tc->tc_buf + (uintptr_t)tc->tc_bufsiz - 782 sizeof (struct trap_trace_record)); 783 784 if (tc->tc_rec == tc->tc_stop) { 785 tc->tc_rec = NULL; 786 mdb_free(tc->tc_buf, tc->tc_bufsiz); 787 } 788 789 return (status); 790 } 791 792 void 793 ttrace_walk_fini(mdb_walk_state_t *wsp) 794 { 795 ttrace_walk_data_t *tw = wsp->walk_data; 796 797 mdb_free(tw->tw_cpus, sizeof (ttrace_cpu_data_t) * tw->tw_ncpu); 798 mdb_free(tw, sizeof (ttrace_walk_data_t)); 799 } 800 801 int 802 ttrace(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 803 { 804 uint_t opt_x = FALSE; 805 int cpu = -1; 806 mdb_walk_cb_t ttprint; 807 808 if (mdb_getopts(argc, argv, 809 'x', MDB_OPT_SETBITS, TRUE, &opt_x, NULL) != argc) 810 return (DCMD_USAGE); 811 812 if (flags & DCMD_ADDRSPEC) { 813 if (fetch_ncpu()) 814 return (DCMD_ERR); 815 if (addr >= ncpu) { 816 mdb_warn("expected cpu between 0 and %d\n", ncpu - 1); 817 return (DCMD_ERR); 818 } 819 cpu = (int)addr; 820 } 821 822 if (cpu == -1) 823 mdb_printf("CPU "); 824 825 if (opt_x) { 826 #ifdef sun4v 827 mdb_printf("%-16s %-16s %-4s %-3s %-3s %-?s %-?s %-?s " 828 "F1-4\n", "%tick", "%tstate", "%tt", "%tl", "%gl", 829 "%tpc", "%sp", "TR"); 830 #else 831 mdb_printf("%-16s %-16s %-4s %-4s %-?s %-?s %-?s " 832 "F1-4\n", "%tick", "%tstate", "%tt", "%tl", 833 "%tpc", "%sp", "TR"); 834 #endif 835 836 ttprint = (mdb_walk_cb_t)ttprint_long; 837 } else { 838 #ifdef sun4v 839 mdb_printf("%-16s %-4s %-12s %-3s %-3s %s\n", 840 "%tick", "%tt", "", "%tl", "%gl", "%tpc"); 841 #else 842 mdb_printf("%-16s %-4s %-12s %-4s %s\n", 843 "%tick", "%tt", "", "%tl", "%tpc"); 844 #endif 845 846 ttprint = (mdb_walk_cb_t)ttprint_short; 847 } 848 849 if (mdb_walk("ttrace", ttprint, &cpu) == -1) { 850 mdb_warn("couldn't walk ttrace"); 851 return (DCMD_ERR); 852 } 853 854 return (DCMD_OK); 855 } 856 857 #ifdef sun4v 858 /*ARGSUSED*/ 859 int 860 httctl(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 861 { 862 TRAP_TRACE_CTL *ctls, *ctl; 863 int i, htraptrace_buf_inuse = 0; 864 htrap_trace_hdr_t hdr; 865 866 if (argc != 0) 867 return (DCMD_USAGE); 868 869 if (fetch_ncpu()) 870 return (DCMD_ERR); 871 872 ctls = mdb_alloc(sizeof (TRAP_TRACE_CTL) * ncpu, UM_SLEEP | UM_GC); 873 if (mdb_readsym(ctls, sizeof (TRAP_TRACE_CTL) * ncpu, 874 "trap_trace_ctl") == -1) { 875 mdb_warn("symbol 'trap_trace_ctl' not found"); 876 return (DCMD_ERR); 877 } 878 879 for (ctl = &ctls[0], i = 0; i < ncpu; i++, ctl++) { 880 if (ctl->d.hvaddr_base == 0) 881 continue; 882 883 htraptrace_buf_inuse = 1; 884 mdb_vread(&hdr, sizeof (htrap_trace_hdr_t), 885 (uintptr_t)ctl->d.hvaddr_base); 886 mdb_printf("htrap_trace_ctl[%d] = {\n", i); 887 mdb_printf(" vaddr_base = 0x%lx\n", (long)ctl->d.hvaddr_base); 888 mdb_printf(" last_offset = 0x%lx\n", hdr.last_offset); 889 mdb_printf(" offset = 0x%lx\n", hdr.offset); 890 mdb_printf(" limit = 0x%x\n", ctl->d.hlimit); 891 mdb_printf(" paddr_base = 0x%llx\n}\n", ctl->d.hpaddr_base); 892 } 893 if (!htraptrace_buf_inuse) { 894 mdb_warn("hv traptrace not configured"); 895 return (DCMD_ERR); 896 } 897 898 return (DCMD_OK); 899 } 900 901 /*ARGSUSED*/ 902 static int 903 httprint_short(uintptr_t addr, const htrap_trace_fullrec_t *full, int *cpu) 904 { 905 const char *ttstr; 906 const struct htrap_trace_record *ttp = &full->ttf_rec; 907 908 if (*cpu == -1) 909 mdb_printf("%3d ", full->ttf_cpu); 910 else 911 if (*cpu != full->ttf_cpu) 912 return (0); 913 914 /* 915 * Convert the tt value to a string using our gaint lookuo table 916 */ 917 ttstr = ttp->tt_tt < ttndescr ? ttdescr[ttp->tt_tt] : "?"; 918 919 mdb_printf("%016llx %02x %04hx %04hx %-16s %02x %02x %0?p %A\n", 920 ttp->tt_tick, ttp->tt_ty, ttp->tt_tag, ttp->tt_tt, ttstr, 921 ttp->tt_tl, ttp->tt_gl, ttp->tt_tpc, ttp->tt_tpc); 922 923 return (WALK_NEXT); 924 } 925 926 /*ARGSUSED*/ 927 static int 928 httprint_long(uintptr_t addr, const htrap_trace_fullrec_t *full, int *cpu) 929 { 930 const struct htrap_trace_record *ttp = &full->ttf_rec; 931 932 if (*cpu == -1) 933 mdb_printf("%3d ", full->ttf_cpu); 934 else if (*cpu != full->ttf_cpu) 935 return (WALK_NEXT); 936 937 mdb_printf("%016llx %016llx %02x %02x %04hx %04hx %02x %02x %0?p " 938 "[%p,%p,%p,%p]\n", 939 ttp->tt_tick, ttp->tt_tstate, ttp->tt_hpstate, ttp->tt_ty, 940 ttp->tt_tag, ttp->tt_tt, ttp->tt_tl, ttp->tt_gl, ttp->tt_tpc, 941 ttp->tt_f1, ttp->tt_f2, ttp->tt_f3, ttp->tt_f4); 942 943 return (WALK_NEXT); 944 } 945 946 typedef struct httrace_cpu_data { 947 struct htrap_trace_record *tc_buf; 948 struct htrap_trace_record *tc_rec; 949 struct htrap_trace_record *tc_stop; 950 size_t tc_bufsiz; 951 uintptr_t tc_base; 952 } httrace_cpu_data_t; 953 954 typedef struct httrace_walk_data { 955 int tw_ncpu; 956 httrace_cpu_data_t *tw_cpus; 957 } httrace_walk_data_t; 958 959 int 960 httrace_walk_init(mdb_walk_state_t *wsp) 961 { 962 TRAP_TRACE_CTL *ctls, *ctl; 963 int i, htraptrace_buf_inuse = 0; 964 httrace_walk_data_t *tw; 965 httrace_cpu_data_t *tc; 966 struct htrap_trace_record *buf; 967 htrap_trace_hdr_t *hdr; 968 969 if (wsp->walk_addr != NULL) { 970 mdb_warn("httrace only supports global walks\n"); 971 return (WALK_ERR); 972 } 973 974 if (fetch_ncpu()) 975 return (WALK_ERR); 976 977 ctls = mdb_alloc(sizeof (TRAP_TRACE_CTL) * ncpu, UM_SLEEP); 978 if (mdb_readsym(ctls, sizeof (TRAP_TRACE_CTL) * ncpu, 979 "trap_trace_ctl") == -1) { 980 mdb_warn("symbol 'trap_trace_ctl' not found"); 981 mdb_free(ctls, sizeof (TRAP_TRACE_CTL) * ncpu); 982 return (WALK_ERR); 983 } 984 985 tw = mdb_zalloc(sizeof (httrace_walk_data_t), UM_SLEEP); 986 tw->tw_ncpu = ncpu; 987 tw->tw_cpus = mdb_zalloc(sizeof (httrace_cpu_data_t) * ncpu, UM_SLEEP); 988 989 for (i = 0; i < ncpu; i++) { 990 ctl = &ctls[i]; 991 992 if (ctl->d.hvaddr_base == 0) 993 continue; 994 995 htraptrace_buf_inuse = 1; 996 tc = &(tw->tw_cpus[i]); 997 tc->tc_bufsiz = ctl->d.hlimit; 998 tc->tc_buf = buf = mdb_alloc(tc->tc_bufsiz, UM_SLEEP); 999 tc->tc_base = (uintptr_t)ctl->d.hvaddr_base; 1000 1001 if (mdb_vread(buf, tc->tc_bufsiz, tc->tc_base) == -1) { 1002 mdb_warn("failed to read hv trap trace buffer at %p", 1003 ctl->d.hvaddr_base); 1004 mdb_free(buf, tc->tc_bufsiz); 1005 tc->tc_buf = NULL; 1006 } else { 1007 hdr = (htrap_trace_hdr_t *)buf; 1008 tc->tc_rec = (struct htrap_trace_record *) 1009 ((uintptr_t)buf + (uintptr_t)hdr->last_offset); 1010 tc->tc_stop = (struct htrap_trace_record *) 1011 ((uintptr_t)buf + (uintptr_t)hdr->offset); 1012 } 1013 } 1014 if (!htraptrace_buf_inuse) { 1015 mdb_warn("hv traptrace not configured"); 1016 mdb_free(ctls, sizeof (TRAP_TRACE_CTL) * ncpu); 1017 return (DCMD_ERR); 1018 } 1019 1020 mdb_free(ctls, sizeof (TRAP_TRACE_CTL) * ncpu); 1021 wsp->walk_data = tw; 1022 return (WALK_NEXT); 1023 } 1024 1025 int 1026 httrace_walk_step(mdb_walk_state_t *wsp) 1027 { 1028 httrace_walk_data_t *tw = wsp->walk_data; 1029 httrace_cpu_data_t *tc; 1030 struct htrap_trace_record *rec; 1031 int oldest, i, status; 1032 uint64_t oldest_tick = 0; 1033 int done = 1; 1034 htrap_trace_fullrec_t fullrec; 1035 1036 for (i = 0; i < tw->tw_ncpu; i++) { 1037 tc = &(tw->tw_cpus[i]); 1038 1039 if (tc->tc_rec == NULL) 1040 continue; 1041 done = 0; 1042 1043 if (tc->tc_rec->tt_tick == 0) 1044 mdb_warn("Warning: tt_tick == 0\n"); 1045 1046 if (tc->tc_rec->tt_tick >= oldest_tick) { 1047 oldest_tick = tc->tc_rec->tt_tick; 1048 oldest = i; 1049 } 1050 } 1051 1052 if (done) 1053 return (-1); 1054 1055 tc = &(tw->tw_cpus[oldest]); 1056 rec = tc->tc_rec; 1057 1058 fullrec.ttf_rec = *rec; 1059 fullrec.ttf_cpu = oldest; 1060 1061 if (oldest_tick != 0) 1062 status = wsp->walk_callback((uintptr_t)rec - 1063 (uintptr_t)tc->tc_buf + tc->tc_base, &fullrec, 1064 wsp->walk_cbdata); 1065 1066 tc->tc_rec--; 1067 1068 /* first record of the trap trace buffer is trap trace header */ 1069 if (tc->tc_rec == tc->tc_buf) 1070 tc->tc_rec = (struct htrap_trace_record *)((uintptr_t) 1071 tc->tc_buf + (uintptr_t)tc->tc_bufsiz - 1072 sizeof (struct htrap_trace_record)); 1073 1074 if (tc->tc_rec == tc->tc_stop) { 1075 tc->tc_rec = NULL; 1076 mdb_free(tc->tc_buf, tc->tc_bufsiz); 1077 } 1078 1079 return (status); 1080 } 1081 1082 void 1083 httrace_walk_fini(mdb_walk_state_t *wsp) 1084 { 1085 httrace_walk_data_t *tw = wsp->walk_data; 1086 1087 mdb_free(tw->tw_cpus, sizeof (httrace_cpu_data_t) * tw->tw_ncpu); 1088 mdb_free(tw, sizeof (httrace_walk_data_t)); 1089 } 1090 1091 int 1092 httrace(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1093 { 1094 uint_t opt_x = FALSE; 1095 int cpu = -1; 1096 mdb_walk_cb_t ttprint; 1097 1098 if (mdb_getopts(argc, argv, 1099 'x', MDB_OPT_SETBITS, TRUE, &opt_x, NULL) != argc) 1100 return (DCMD_USAGE); 1101 1102 if (flags & DCMD_ADDRSPEC) { 1103 if (fetch_ncpu()) 1104 return (DCMD_ERR); 1105 if (addr >= ncpu) { 1106 mdb_warn("expected cpu between 0 and %d\n", ncpu - 1); 1107 return (DCMD_ERR); 1108 } 1109 cpu = (int)addr; 1110 } 1111 1112 if (cpu == -1) 1113 mdb_printf("CPU "); 1114 1115 if (opt_x) { 1116 mdb_printf("%-16s %-16s %-3s %-3s %-4s %-4s %-3s %-3s %-?s " 1117 "F1-4\n", "%tick", "%tstate", "%hp", "%ty", "%tag", 1118 "%tt", "%tl", "%gl", "%tpc"); 1119 ttprint = (mdb_walk_cb_t)httprint_long; 1120 } else { 1121 mdb_printf("%-16s %-3s %-4s %-4s %-16s %-3s %-3s %s\n", 1122 "%tick", "%ty", "%tag", "%tt", "", "%tl", "%gl", 1123 "%tpc"); 1124 ttprint = (mdb_walk_cb_t)httprint_short; 1125 } 1126 1127 if (mdb_walk("httrace", ttprint, &cpu) == -1) { 1128 mdb_warn("couldn't walk httrace"); 1129 return (DCMD_ERR); 1130 } 1131 1132 return (DCMD_OK); 1133 } 1134 #endif 1135 1136 struct { 1137 int xc_type; 1138 const char *xc_str; 1139 } xc_data[] = { 1140 { XT_ONE_SELF, "xt-one-self" }, 1141 { XT_ONE_OTHER, "xt-one-other" }, 1142 { XT_SOME_SELF, "xt-some-self" }, 1143 { XT_SOME_OTHER, "xt-some-other" }, 1144 { XT_ALL_SELF, "xt-all-self" }, 1145 { XT_ALL_OTHER, "xt-all-other" }, 1146 { XC_ONE_SELF, "xc-one-self" }, 1147 { XC_ONE_OTHER, "xc-one-other" }, 1148 { XC_ONE_OTHER_H, "xc-one-other-h" }, 1149 { XC_SOME_SELF, "xc-some-self" }, 1150 { XC_SOME_OTHER, "xc-some-other" }, 1151 { XC_SOME_OTHER_H, "xc-some-other-h" }, 1152 { XC_ALL_SELF, "xc-all-self" }, 1153 { XC_ALL_OTHER, "xc-all-other" }, 1154 { XC_ALL_OTHER_H, "xc-all-other-h" }, 1155 { XC_ATTENTION, "xc-attention" }, 1156 { XC_DISMISSED, "xc-dismissed" }, 1157 { XC_LOOP_ENTER, "xc-loop-enter" }, 1158 { XC_LOOP_DOIT, "xc-loop-doit" }, 1159 { XC_LOOP_EXIT, "xc-loop-exit" }, 1160 { 0, NULL } 1161 }; 1162 1163 /*ARGSUSED*/ 1164 int 1165 xctrace_walk(uintptr_t addr, const trap_trace_fullrec_t *full, int *cpu) 1166 { 1167 const struct trap_trace_record *ttp = &full->ttf_rec; 1168 int i, type = ttp->tt_tt & 0xff; 1169 const char *str = "???"; 1170 1171 if ((ttp->tt_tt & 0xff00) == TT_XCALL) { 1172 for (i = 0; xc_data[i].xc_str != NULL; i++) { 1173 if (xc_data[i].xc_type == type) { 1174 str = xc_data[i].xc_str; 1175 break; 1176 } 1177 } 1178 } else if ((ttp->tt_tt & 0xff00) == TT_XCALL_CONT) { 1179 str = "xcall-cont"; 1180 mdb_printf("%3d %016llx %-16s %08x %08x %08x %08x\n", 1181 full->ttf_cpu, ttp->tt_tick, str, ttp->tt_f1, ttp->tt_f2, 1182 ttp->tt_f3, ttp->tt_f4); 1183 return (WALK_NEXT); 1184 } else if (ttp->tt_tt == 0x60) { 1185 str = "int-vec"; 1186 } else { 1187 return (WALK_NEXT); 1188 } 1189 1190 mdb_printf("%3d %016llx %-16s %08x %a\n", full->ttf_cpu, 1191 ttp->tt_tick, str, ttp->tt_sp, ttp->tt_tr); 1192 1193 return (WALK_NEXT); 1194 } 1195 1196 /*ARGSUSED*/ 1197 int 1198 xctrace(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1199 { 1200 if ((flags & DCMD_ADDRSPEC) || argc != 0) 1201 return (DCMD_USAGE); 1202 1203 if (mdb_walk("ttrace", (mdb_walk_cb_t)xctrace_walk, NULL) == -1) { 1204 mdb_warn("couldn't walk ttrace"); 1205 return (DCMD_ERR); 1206 } 1207 1208 return (DCMD_OK); 1209 } 1210 1211 /* 1212 * Grrr... xc_mbox isn't in an _impl header file; we define it here. 1213 */ 1214 typedef struct xc_mbox { 1215 xcfunc_t *xc_func; 1216 uint64_t xc_arg1; 1217 uint64_t xc_arg2; 1218 cpuset_t xc_cpuset; 1219 volatile uint_t xc_state; 1220 } xc_mbox_t; 1221 1222 typedef struct xc_mbox_walk { 1223 int xw_ndx; 1224 uintptr_t xw_addr; 1225 xc_mbox_t *xw_mbox; 1226 } xc_mbox_walk_t; 1227 1228 static int 1229 xc_mbox_walk_init(mdb_walk_state_t *wsp) 1230 { 1231 GElf_Sym sym; 1232 xc_mbox_walk_t *xw; 1233 1234 if (mdb_lookup_by_name("xc_mbox", &sym) == -1) { 1235 mdb_warn("couldn't find 'xc_mbox'"); 1236 return (WALK_ERR); 1237 } 1238 1239 if (fetch_ncpu() || fetch_mbox()) 1240 return (WALK_ERR); 1241 1242 xw = mdb_zalloc(sizeof (xc_mbox_walk_t), UM_SLEEP); 1243 xw->xw_mbox = mdb_zalloc(mbox_size * ncpu, UM_SLEEP); 1244 1245 if (mdb_readsym(xw->xw_mbox, mbox_size * ncpu, "xc_mbox") == -1) { 1246 mdb_warn("couldn't read 'xc_mbox'"); 1247 mdb_free(xw->xw_mbox, mbox_size * ncpu); 1248 mdb_free(xw, sizeof (xc_mbox_walk_t)); 1249 return (WALK_ERR); 1250 } 1251 1252 xw->xw_addr = sym.st_value; 1253 wsp->walk_data = xw; 1254 1255 return (WALK_NEXT); 1256 } 1257 1258 static int 1259 xc_mbox_walk_step(mdb_walk_state_t *wsp) 1260 { 1261 xc_mbox_walk_t *xw = wsp->walk_data; 1262 int status; 1263 1264 if (xw->xw_ndx == ncpu) 1265 return (WALK_DONE); 1266 1267 status = wsp->walk_callback(xw->xw_addr, 1268 &xw->xw_mbox[xw->xw_ndx++], wsp->walk_cbdata); 1269 1270 xw->xw_addr += mbox_size; 1271 return (status); 1272 } 1273 1274 static void 1275 xc_mbox_walk_fini(mdb_walk_state_t *wsp) 1276 { 1277 xc_mbox_walk_t *xw = wsp->walk_data; 1278 1279 mdb_free(xw->xw_mbox, mbox_size * ncpu); 1280 mdb_free(xw, sizeof (xc_mbox_walk_t)); 1281 } 1282 1283 static int 1284 xc_mbox(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1285 { 1286 xc_mbox_t *mbox; 1287 GElf_Sym sym; 1288 const char *state; 1289 1290 if (argc != 0) 1291 return (DCMD_USAGE); 1292 1293 if (!(flags & DCMD_ADDRSPEC)) { 1294 if (mdb_walk_dcmd("xc_mbox", "xc_mbox", argc, argv) == -1) { 1295 mdb_warn("can't walk 'xc_mbox'"); 1296 return (DCMD_ERR); 1297 } 1298 return (DCMD_OK); 1299 } 1300 1301 if (fetch_ncpu() || fetch_mbox()) 1302 return (DCMD_ERR); 1303 1304 if (DCMD_HDRSPEC(flags)) { 1305 mdb_printf("%3s %-8s %-8s %-9s %-16s %-16s %s\n", 1306 "CPU", "ADDR", "STATE", "CPUSET", "ARG1", "ARG2", "HNDLR"); 1307 } 1308 1309 mbox = mdb_alloc(mbox_size, UM_SLEEP | UM_GC); 1310 if (mdb_vread(mbox, mbox_size, addr) == -1) { 1311 mdb_warn("couldn't read xc_mbox at %p", addr); 1312 return (DCMD_ERR); 1313 } 1314 1315 if (mbox->xc_func == NULL) 1316 return (DCMD_OK); 1317 1318 if (mdb_lookup_by_name("xc_mbox", &sym) == -1) { 1319 mdb_warn("couldn't read 'xc_mbox'"); 1320 return (DCMD_ERR); 1321 } 1322 1323 state = mdb_ctf_enum_name(mbox_states, 1324 /* LINTED - alignment */ 1325 *(int *)((char *)mbox + mbox_stoff)); 1326 1327 mdb_printf("%3d %08x %-8s [ ", 1328 (int)((addr - sym.st_value) / mbox_size), addr, 1329 state ? state : "XC_???"); 1330 1331 print_cpuset_range((ulong_t *)&mbox->xc_cpuset, BT_BITOUL(ncpu), 5); 1332 1333 mdb_printf(" ] %-16a %-16a %a\n", 1334 mbox->xc_arg1, mbox->xc_arg2, mbox->xc_func); 1335 1336 return (DCMD_OK); 1337 } 1338 1339 typedef struct softint_walk_data { 1340 struct intr_vector *sw_table; 1341 uintptr_t sw_base; 1342 size_t sw_ndx; 1343 size_t sw_size; 1344 } softint_walk_data_t; 1345 1346 int 1347 softint_walk_init(mdb_walk_state_t *wsp) 1348 { 1349 softint_walk_data_t *sw; 1350 1351 if (wsp->walk_addr != NULL) { 1352 mdb_warn("softint walk only supports global walks\n"); 1353 return (WALK_ERR); 1354 } 1355 1356 /* 1357 * If this fails, we'll just end up printing all the entries. 1358 */ 1359 if (mdb_lookup_by_name("nohandler", &iv_nohandler_sym) == -1) 1360 mdb_warn("couldn't find iv nohandler"); 1361 1362 sw = mdb_zalloc(sizeof (softint_walk_data_t), UM_SLEEP); 1363 1364 sw->sw_size = iv_sym.st_size; 1365 sw->sw_base = (uintptr_t)iv_sym.st_value; 1366 sw->sw_table = mdb_zalloc(sw->sw_size, UM_SLEEP); 1367 1368 if (mdb_vread(sw->sw_table, sw->sw_size, sw->sw_base) == -1) { 1369 mdb_warn("couldn't read intr_vector table"); 1370 mdb_free(sw->sw_table, sw->sw_size); 1371 mdb_free(sw, sizeof (softint_walk_data_t)); 1372 return (WALK_ERR); 1373 } 1374 1375 wsp->walk_data = sw; 1376 return (WALK_NEXT); 1377 } 1378 1379 int 1380 softint_walk_step(mdb_walk_state_t *wsp) 1381 { 1382 softint_walk_data_t *sw = (softint_walk_data_t *)wsp->walk_data; 1383 size_t max = sw->sw_size / sizeof (struct intr_vector); 1384 1385 while (sw->sw_ndx < max) { 1386 struct intr_vector *iv = &(sw->sw_table[sw->sw_ndx++]); 1387 1388 if (iv->iv_handler == (intrfunc)iv_nohandler_sym.st_value) 1389 continue; 1390 1391 return (wsp->walk_callback((uintptr_t)iv - 1392 (uintptr_t)sw->sw_table + sw->sw_base, iv, 1393 wsp->walk_cbdata)); 1394 } 1395 1396 return (WALK_DONE); 1397 } 1398 1399 void 1400 softint_walk_fini(mdb_walk_state_t *wsp) 1401 { 1402 softint_walk_data_t *sw = wsp->walk_data; 1403 1404 mdb_free(sw->sw_table, sw->sw_size); 1405 mdb_free(sw, sizeof (softint_walk_data_t)); 1406 } 1407 1408 int 1409 softint_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1410 { 1411 int inum; 1412 struct intr_vector iv; 1413 1414 if (!(flags & DCMD_ADDRSPEC)) { 1415 if (mdb_walk_dcmd("softint", "softint", argc, argv) == -1) { 1416 mdb_warn("can't walk softint"); 1417 return (DCMD_ERR); 1418 } 1419 return (DCMD_OK); 1420 } 1421 1422 inum = (int)((addr - (uintptr_t)iv_sym.st_value) / 1423 sizeof (struct intr_vector)); 1424 1425 if (DCMD_HDRSPEC(flags)) { 1426 mdb_printf("%4s %?s %4s %4s %?s %s\n", "INUM", "ADDR", "PEND", 1427 "PIL", "ARG", "HANDLER"); 1428 } 1429 1430 if (mdb_vread(&iv, sizeof (iv), addr) == -1) { 1431 mdb_warn("couldn't read intr_vector at %p", addr); 1432 return (DCMD_ERR); 1433 } 1434 1435 mdb_printf("%4d %0?p %4d %4d %?p %?p %a\n", inum, addr, iv.iv_pending, 1436 iv.iv_pil, iv.iv_arg, iv.iv_softint_arg2, iv.iv_handler); 1437 1438 return (DCMD_OK); 1439 } 1440 1441 static int 1442 whatis_walk_tt(uintptr_t taddr, const trap_trace_fullrec_t *ttf, uintptr_t *ap) 1443 { 1444 uintptr_t addr = *ap; 1445 1446 if (addr < taddr || addr > taddr + sizeof (struct trap_trace_record)) 1447 return (WALK_NEXT); 1448 1449 mdb_printf("%p is %p+%p, trap trace record for cpu %d\n", 1450 addr, taddr, addr - taddr, ttf->ttf_cpu); 1451 1452 mdb_set_dot(1); 1453 return (WALK_DONE); 1454 } 1455 1456 /*ARGSUSED*/ 1457 int 1458 whatis(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1459 { 1460 GElf_Sym sym; 1461 1462 if (!(flags & DCMD_ADDRSPEC)) 1463 return (DCMD_USAGE); 1464 1465 if (mdb_lookup_by_name("trap_trace_ctl", &sym) == -1) 1466 return (DCMD_NEXT); 1467 1468 mdb_set_dot(0); 1469 1470 if (mdb_walk("ttrace", (mdb_walk_cb_t)whatis_walk_tt, &addr) == -1) 1471 mdb_warn("failed to walk 'ttrace'"); 1472 1473 return (DCMD_NEXT); 1474 } 1475 1476 /*ARGSUSED*/ 1477 int 1478 mutex_owner_init(mdb_walk_state_t *wsp) 1479 { 1480 return (WALK_NEXT); 1481 } 1482 1483 int 1484 mutex_owner_step(mdb_walk_state_t *wsp) 1485 { 1486 uintptr_t addr = wsp->walk_addr; 1487 mutex_impl_t mtx; 1488 uintptr_t owner; 1489 kthread_t thr; 1490 1491 if (mdb_vread(&mtx, sizeof (mtx), addr) == -1) 1492 return (WALK_ERR); 1493 1494 if (!MUTEX_TYPE_ADAPTIVE(&mtx)) 1495 return (WALK_DONE); 1496 1497 if ((owner = (uintptr_t)MUTEX_OWNER(&mtx)) == NULL) 1498 return (WALK_DONE); 1499 1500 if (mdb_vread(&thr, sizeof (thr), owner) != -1) 1501 (void) wsp->walk_callback(owner, &thr, wsp->walk_cbdata); 1502 1503 return (WALK_DONE); 1504 } 1505 1506 static const mdb_dcmd_t dcmds[] = { 1507 { "cpuset", ":[-l|-r]", "dump a cpuset_t", cmd_cpuset }, 1508 { "ttctl", NULL, "dump trap trace ctl records", ttctl }, 1509 { "ttrace", "[-x]", "dump trap trace buffer for a cpu", ttrace }, 1510 #ifdef sun4v 1511 { "httctl", NULL, "dump hv trap trace ctl records", httctl }, 1512 { "httrace", "[-x]", "dump hv trap trace buffer for a cpu", httrace }, 1513 #endif 1514 { "xc_mbox", "?", "dump xcall mboxes", xc_mbox }, 1515 { "xctrace", NULL, "dump xcall trace buffer", xctrace }, 1516 { "softint", NULL, "dumps interrupt vector table", softint_dcmd }, 1517 { "whatis", ":[-abv]", "given an address, return information", whatis }, 1518 { "sfmmu_vtop", ":[[-v] -a as]", "print virtual to physical mapping", 1519 sfmmu_vtop }, 1520 { "page_num2pp", ":", "page frame number to page structure", 1521 page_num2pp }, 1522 { "memseg_list", ":", "show memseg list", memseg_list }, 1523 { "tsbinfo", ":[-l [-a]]", "show tsbinfo", tsbinfo_list, 1524 tsbinfo_help }, 1525 { NULL } 1526 }; 1527 1528 static const mdb_walker_t walkers[] = { 1529 { "mutex_owner", "walks the owner of a mutex", 1530 mutex_owner_init, mutex_owner_step }, 1531 { "ttrace", "walks the trap trace buffer for a CPU", 1532 ttrace_walk_init, ttrace_walk_step, ttrace_walk_fini }, 1533 #ifdef sun4v 1534 { "httrace", "walks the hv trap trace buffer for a CPU", 1535 httrace_walk_init, httrace_walk_step, httrace_walk_fini }, 1536 #endif 1537 { "xc_mbox", "walks the cross call mail boxes", 1538 xc_mbox_walk_init, xc_mbox_walk_step, xc_mbox_walk_fini }, 1539 { "softint", "walks the interrupt vector table", 1540 softint_walk_init, softint_walk_step, softint_walk_fini }, 1541 { "memseg", "walk the memseg structures", 1542 memseg_walk_init, memseg_walk_step, memseg_walk_fini }, 1543 { NULL } 1544 }; 1545 1546 static const mdb_modinfo_t modinfo = { MDB_API_VERSION, dcmds, walkers }; 1547 1548 const mdb_modinfo_t * 1549 _mdb_init(void) 1550 { 1551 if (mdb_lookup_by_name("intr_vector", &iv_sym) == -1) { 1552 mdb_warn("couldn't find intr_vector"); 1553 return (NULL); 1554 } 1555 1556 return (&modinfo); 1557 } 1558