1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Performance counter support for POWER5 (not POWER5++) processors. 4 * 5 * Copyright 2009 Paul Mackerras, IBM Corporation. 6 */ 7 #include <linux/kernel.h> 8 #include <linux/perf_event.h> 9 #include <linux/string.h> 10 #include <asm/reg.h> 11 #include <asm/cputable.h> 12 13 /* 14 * Bits in event code for POWER5 (not POWER5++) 15 */ 16 #define PM_PMC_SH 20 /* PMC number (1-based) for direct events */ 17 #define PM_PMC_MSK 0xf 18 #define PM_PMC_MSKS (PM_PMC_MSK << PM_PMC_SH) 19 #define PM_UNIT_SH 16 /* TTMMUX number and setting - unit select */ 20 #define PM_UNIT_MSK 0xf 21 #define PM_BYTE_SH 12 /* Byte number of event bus to use */ 22 #define PM_BYTE_MSK 7 23 #define PM_GRS_SH 8 /* Storage subsystem mux select */ 24 #define PM_GRS_MSK 7 25 #define PM_BUSEVENT_MSK 0x80 /* Set if event uses event bus */ 26 #define PM_PMCSEL_MSK 0x7f 27 28 /* Values in PM_UNIT field */ 29 #define PM_FPU 0 30 #define PM_ISU0 1 31 #define PM_IFU 2 32 #define PM_ISU1 3 33 #define PM_IDU 4 34 #define PM_ISU0_ALT 6 35 #define PM_GRS 7 36 #define PM_LSU0 8 37 #define PM_LSU1 0xc 38 #define PM_LASTUNIT 0xc 39 40 /* 41 * Bits in MMCR1 for POWER5 42 */ 43 #define MMCR1_TTM0SEL_SH 62 44 #define MMCR1_TTM1SEL_SH 60 45 #define MMCR1_TTM2SEL_SH 58 46 #define MMCR1_TTM3SEL_SH 56 47 #define MMCR1_TTMSEL_MSK 3 48 #define MMCR1_TD_CP_DBG0SEL_SH 54 49 #define MMCR1_TD_CP_DBG1SEL_SH 52 50 #define MMCR1_TD_CP_DBG2SEL_SH 50 51 #define MMCR1_TD_CP_DBG3SEL_SH 48 52 #define MMCR1_GRS_L2SEL_SH 46 53 #define MMCR1_GRS_L2SEL_MSK 3 54 #define MMCR1_GRS_L3SEL_SH 44 55 #define MMCR1_GRS_L3SEL_MSK 3 56 #define MMCR1_GRS_MCSEL_SH 41 57 #define MMCR1_GRS_MCSEL_MSK 7 58 #define MMCR1_GRS_FABSEL_SH 39 59 #define MMCR1_GRS_FABSEL_MSK 3 60 #define MMCR1_PMC1_ADDER_SEL_SH 35 61 #define MMCR1_PMC2_ADDER_SEL_SH 34 62 #define MMCR1_PMC3_ADDER_SEL_SH 33 63 #define MMCR1_PMC4_ADDER_SEL_SH 32 64 #define MMCR1_PMC1SEL_SH 25 65 #define MMCR1_PMC2SEL_SH 17 66 #define MMCR1_PMC3SEL_SH 9 67 #define MMCR1_PMC4SEL_SH 1 68 #define MMCR1_PMCSEL_SH(n) (MMCR1_PMC1SEL_SH - (n) * 8) 69 #define MMCR1_PMCSEL_MSK 0x7f 70 71 /* 72 * Layout of constraint bits: 73 * 6666555555555544444444443333333333222222222211111111110000000000 74 * 3210987654321098765432109876543210987654321098765432109876543210 75 * <><>[ ><><>< ><> [ >[ >[ >< >< >< >< ><><><><><><> 76 * T0T1 NC G0G1G2 G3 UC PS1PS2 B0 B1 B2 B3 P6P5P4P3P2P1 77 * 78 * T0 - TTM0 constraint 79 * 54-55: TTM0SEL value (0=FPU, 2=IFU, 3=ISU1) 0xc0_0000_0000_0000 80 * 81 * T1 - TTM1 constraint 82 * 52-53: TTM1SEL value (0=IDU, 3=GRS) 0x30_0000_0000_0000 83 * 84 * NC - number of counters 85 * 51: NC error 0x0008_0000_0000_0000 86 * 48-50: number of events needing PMC1-4 0x0007_0000_0000_0000 87 * 88 * G0..G3 - GRS mux constraints 89 * 46-47: GRS_L2SEL value 90 * 44-45: GRS_L3SEL value 91 * 41-44: GRS_MCSEL value 92 * 39-40: GRS_FABSEL value 93 * Note that these match up with their bit positions in MMCR1 94 * 95 * UC - unit constraint: can't have all three of FPU|IFU|ISU1, ISU0, IDU|GRS 96 * 37: UC3 error 0x20_0000_0000 97 * 36: FPU|IFU|ISU1 events needed 0x10_0000_0000 98 * 35: ISU0 events needed 0x08_0000_0000 99 * 34: IDU|GRS events needed 0x04_0000_0000 100 * 101 * PS1 102 * 33: PS1 error 0x2_0000_0000 103 * 31-32: count of events needing PMC1/2 0x1_8000_0000 104 * 105 * PS2 106 * 30: PS2 error 0x4000_0000 107 * 28-29: count of events needing PMC3/4 0x3000_0000 108 * 109 * B0 110 * 24-27: Byte 0 event source 0x0f00_0000 111 * Encoding as for the event code 112 * 113 * B1, B2, B3 114 * 20-23, 16-19, 12-15: Byte 1, 2, 3 event sources 115 * 116 * P1..P6 117 * 0-11: Count of events needing PMC1..PMC6 118 */ 119 120 static const int grsel_shift[8] = { 121 MMCR1_GRS_L2SEL_SH, MMCR1_GRS_L2SEL_SH, MMCR1_GRS_L2SEL_SH, 122 MMCR1_GRS_L3SEL_SH, MMCR1_GRS_L3SEL_SH, MMCR1_GRS_L3SEL_SH, 123 MMCR1_GRS_MCSEL_SH, MMCR1_GRS_FABSEL_SH 124 }; 125 126 /* Masks and values for using events from the various units */ 127 static unsigned long unit_cons[PM_LASTUNIT+1][2] = { 128 [PM_FPU] = { 0xc0002000000000ul, 0x00001000000000ul }, 129 [PM_ISU0] = { 0x00002000000000ul, 0x00000800000000ul }, 130 [PM_ISU1] = { 0xc0002000000000ul, 0xc0001000000000ul }, 131 [PM_IFU] = { 0xc0002000000000ul, 0x80001000000000ul }, 132 [PM_IDU] = { 0x30002000000000ul, 0x00000400000000ul }, 133 [PM_GRS] = { 0x30002000000000ul, 0x30000400000000ul }, 134 }; 135 136 static int power5_get_constraint(u64 event, unsigned long *maskp, 137 unsigned long *valp) 138 { 139 int pmc, byte, unit, sh; 140 int bit, fmask; 141 unsigned long mask = 0, value = 0; 142 int grp = -1; 143 144 pmc = (event >> PM_PMC_SH) & PM_PMC_MSK; 145 if (pmc) { 146 if (pmc > 6) 147 return -1; 148 sh = (pmc - 1) * 2; 149 mask |= 2 << sh; 150 value |= 1 << sh; 151 if (pmc <= 4) 152 grp = (pmc - 1) >> 1; 153 else if (event != 0x500009 && event != 0x600005) 154 return -1; 155 } 156 if (event & PM_BUSEVENT_MSK) { 157 unit = (event >> PM_UNIT_SH) & PM_UNIT_MSK; 158 if (unit > PM_LASTUNIT) 159 return -1; 160 if (unit == PM_ISU0_ALT) 161 unit = PM_ISU0; 162 mask |= unit_cons[unit][0]; 163 value |= unit_cons[unit][1]; 164 byte = (event >> PM_BYTE_SH) & PM_BYTE_MSK; 165 if (byte >= 4) { 166 if (unit != PM_LSU1) 167 return -1; 168 /* Map LSU1 low word (bytes 4-7) to unit LSU1+1 */ 169 ++unit; 170 byte &= 3; 171 } 172 if (unit == PM_GRS) { 173 bit = event & 7; 174 fmask = (bit == 6)? 7: 3; 175 sh = grsel_shift[bit]; 176 mask |= (unsigned long)fmask << sh; 177 value |= (unsigned long)((event >> PM_GRS_SH) & fmask) 178 << sh; 179 } 180 /* 181 * Bus events on bytes 0 and 2 can be counted 182 * on PMC1/2; bytes 1 and 3 on PMC3/4. 183 */ 184 if (!pmc) 185 grp = byte & 1; 186 /* Set byte lane select field */ 187 mask |= 0xfUL << (24 - 4 * byte); 188 value |= (unsigned long)unit << (24 - 4 * byte); 189 } 190 if (grp == 0) { 191 /* increment PMC1/2 field */ 192 mask |= 0x200000000ul; 193 value |= 0x080000000ul; 194 } else if (grp == 1) { 195 /* increment PMC3/4 field */ 196 mask |= 0x40000000ul; 197 value |= 0x10000000ul; 198 } 199 if (pmc < 5) { 200 /* need a counter from PMC1-4 set */ 201 mask |= 0x8000000000000ul; 202 value |= 0x1000000000000ul; 203 } 204 *maskp = mask; 205 *valp = value; 206 return 0; 207 } 208 209 #define MAX_ALT 3 /* at most 3 alternatives for any event */ 210 211 static const unsigned int event_alternatives[][MAX_ALT] = { 212 { 0x120e4, 0x400002 }, /* PM_GRP_DISP_REJECT */ 213 { 0x410c7, 0x441084 }, /* PM_THRD_L2MISS_BOTH_CYC */ 214 { 0x100005, 0x600005 }, /* PM_RUN_CYC */ 215 { 0x100009, 0x200009, 0x500009 }, /* PM_INST_CMPL */ 216 { 0x300009, 0x400009 }, /* PM_INST_DISP */ 217 }; 218 219 /* 220 * Scan the alternatives table for a match and return the 221 * index into the alternatives table if found, else -1. 222 */ 223 static int find_alternative(u64 event) 224 { 225 int i, j; 226 227 for (i = 0; i < ARRAY_SIZE(event_alternatives); ++i) { 228 if (event < event_alternatives[i][0]) 229 break; 230 for (j = 0; j < MAX_ALT && event_alternatives[i][j]; ++j) 231 if (event == event_alternatives[i][j]) 232 return i; 233 } 234 return -1; 235 } 236 237 static const unsigned char bytedecode_alternatives[4][4] = { 238 /* PMC 1 */ { 0x21, 0x23, 0x25, 0x27 }, 239 /* PMC 2 */ { 0x07, 0x17, 0x0e, 0x1e }, 240 /* PMC 3 */ { 0x20, 0x22, 0x24, 0x26 }, 241 /* PMC 4 */ { 0x07, 0x17, 0x0e, 0x1e } 242 }; 243 244 /* 245 * Some direct events for decodes of event bus byte 3 have alternative 246 * PMCSEL values on other counters. This returns the alternative 247 * event code for those that do, or -1 otherwise. 248 */ 249 static s64 find_alternative_bdecode(u64 event) 250 { 251 int pmc, altpmc, pp, j; 252 253 pmc = (event >> PM_PMC_SH) & PM_PMC_MSK; 254 if (pmc == 0 || pmc > 4) 255 return -1; 256 altpmc = 5 - pmc; /* 1 <-> 4, 2 <-> 3 */ 257 pp = event & PM_PMCSEL_MSK; 258 for (j = 0; j < 4; ++j) { 259 if (bytedecode_alternatives[pmc - 1][j] == pp) { 260 return (event & ~(PM_PMC_MSKS | PM_PMCSEL_MSK)) | 261 (altpmc << PM_PMC_SH) | 262 bytedecode_alternatives[altpmc - 1][j]; 263 } 264 } 265 return -1; 266 } 267 268 static int power5_get_alternatives(u64 event, unsigned int flags, u64 alt[]) 269 { 270 int i, j, nalt = 1; 271 s64 ae; 272 273 alt[0] = event; 274 nalt = 1; 275 i = find_alternative(event); 276 if (i >= 0) { 277 for (j = 0; j < MAX_ALT; ++j) { 278 ae = event_alternatives[i][j]; 279 if (ae && ae != event) 280 alt[nalt++] = ae; 281 } 282 } else { 283 ae = find_alternative_bdecode(event); 284 if (ae > 0) 285 alt[nalt++] = ae; 286 } 287 return nalt; 288 } 289 290 /* 291 * Map of which direct events on which PMCs are marked instruction events. 292 * Indexed by PMCSEL value, bit i (LE) set if PMC i is a marked event. 293 * Bit 0 is set if it is marked for all PMCs. 294 * The 0x80 bit indicates a byte decode PMCSEL value. 295 */ 296 static unsigned char direct_event_is_marked[0x28] = { 297 0, /* 00 */ 298 0x1f, /* 01 PM_IOPS_CMPL */ 299 0x2, /* 02 PM_MRK_GRP_DISP */ 300 0xe, /* 03 PM_MRK_ST_CMPL, PM_MRK_ST_GPS, PM_MRK_ST_CMPL_INT */ 301 0, /* 04 */ 302 0x1c, /* 05 PM_MRK_BRU_FIN, PM_MRK_INST_FIN, PM_MRK_CRU_FIN */ 303 0x80, /* 06 */ 304 0x80, /* 07 */ 305 0, 0, 0,/* 08 - 0a */ 306 0x18, /* 0b PM_THRESH_TIMEO, PM_MRK_GRP_TIMEO */ 307 0, /* 0c */ 308 0x80, /* 0d */ 309 0x80, /* 0e */ 310 0, /* 0f */ 311 0, /* 10 */ 312 0x14, /* 11 PM_MRK_GRP_BR_REDIR, PM_MRK_GRP_IC_MISS */ 313 0, /* 12 */ 314 0x10, /* 13 PM_MRK_GRP_CMPL */ 315 0x1f, /* 14 PM_GRP_MRK, PM_MRK_{FXU,FPU,LSU}_FIN */ 316 0x2, /* 15 PM_MRK_GRP_ISSUED */ 317 0x80, /* 16 */ 318 0x80, /* 17 */ 319 0, 0, 0, 0, 0, 320 0x80, /* 1d */ 321 0x80, /* 1e */ 322 0, /* 1f */ 323 0x80, /* 20 */ 324 0x80, /* 21 */ 325 0x80, /* 22 */ 326 0x80, /* 23 */ 327 0x80, /* 24 */ 328 0x80, /* 25 */ 329 0x80, /* 26 */ 330 0x80, /* 27 */ 331 }; 332 333 /* 334 * Returns 1 if event counts things relating to marked instructions 335 * and thus needs the MMCRA_SAMPLE_ENABLE bit set, or 0 if not. 336 */ 337 static int power5_marked_instr_event(u64 event) 338 { 339 int pmc, psel; 340 int bit, byte, unit; 341 u32 mask; 342 343 pmc = (event >> PM_PMC_SH) & PM_PMC_MSK; 344 psel = event & PM_PMCSEL_MSK; 345 if (pmc >= 5) 346 return 0; 347 348 bit = -1; 349 if (psel < sizeof(direct_event_is_marked)) { 350 if (direct_event_is_marked[psel] & (1 << pmc)) 351 return 1; 352 if (direct_event_is_marked[psel] & 0x80) 353 bit = 4; 354 else if (psel == 0x08) 355 bit = pmc - 1; 356 else if (psel == 0x10) 357 bit = 4 - pmc; 358 else if (psel == 0x1b && (pmc == 1 || pmc == 3)) 359 bit = 4; 360 } else if ((psel & 0x58) == 0x40) 361 bit = psel & 7; 362 363 if (!(event & PM_BUSEVENT_MSK)) 364 return 0; 365 366 byte = (event >> PM_BYTE_SH) & PM_BYTE_MSK; 367 unit = (event >> PM_UNIT_SH) & PM_UNIT_MSK; 368 if (unit == PM_LSU0) { 369 /* byte 1 bits 0-7, byte 2 bits 0,2-4,6 */ 370 mask = 0x5dff00; 371 } else if (unit == PM_LSU1 && byte >= 4) { 372 byte -= 4; 373 /* byte 4 bits 1,3,5,7, byte 5 bits 6-7, byte 7 bits 0-4,6 */ 374 mask = 0x5f00c0aa; 375 } else 376 return 0; 377 378 return (mask >> (byte * 8 + bit)) & 1; 379 } 380 381 static int power5_compute_mmcr(u64 event[], int n_ev, 382 unsigned int hwc[], unsigned long mmcr[], struct perf_event *pevents[]) 383 { 384 unsigned long mmcr1 = 0; 385 unsigned long mmcra = MMCRA_SDAR_DCACHE_MISS | MMCRA_SDAR_ERAT_MISS; 386 unsigned int pmc, unit, byte, psel; 387 unsigned int ttm, grp; 388 int i, isbus, bit, grsel; 389 unsigned int pmc_inuse = 0; 390 unsigned int pmc_grp_use[2]; 391 unsigned char busbyte[4]; 392 unsigned char unituse[16]; 393 int ttmuse; 394 395 if (n_ev > 6) 396 return -1; 397 398 /* First pass to count resource use */ 399 pmc_grp_use[0] = pmc_grp_use[1] = 0; 400 memset(busbyte, 0, sizeof(busbyte)); 401 memset(unituse, 0, sizeof(unituse)); 402 for (i = 0; i < n_ev; ++i) { 403 pmc = (event[i] >> PM_PMC_SH) & PM_PMC_MSK; 404 if (pmc) { 405 if (pmc > 6) 406 return -1; 407 if (pmc_inuse & (1 << (pmc - 1))) 408 return -1; 409 pmc_inuse |= 1 << (pmc - 1); 410 /* count 1/2 vs 3/4 use */ 411 if (pmc <= 4) 412 ++pmc_grp_use[(pmc - 1) >> 1]; 413 } 414 if (event[i] & PM_BUSEVENT_MSK) { 415 unit = (event[i] >> PM_UNIT_SH) & PM_UNIT_MSK; 416 byte = (event[i] >> PM_BYTE_SH) & PM_BYTE_MSK; 417 if (unit > PM_LASTUNIT) 418 return -1; 419 if (unit == PM_ISU0_ALT) 420 unit = PM_ISU0; 421 if (byte >= 4) { 422 if (unit != PM_LSU1) 423 return -1; 424 ++unit; 425 byte &= 3; 426 } 427 if (!pmc) 428 ++pmc_grp_use[byte & 1]; 429 if (busbyte[byte] && busbyte[byte] != unit) 430 return -1; 431 busbyte[byte] = unit; 432 unituse[unit] = 1; 433 } 434 } 435 if (pmc_grp_use[0] > 2 || pmc_grp_use[1] > 2) 436 return -1; 437 438 /* 439 * Assign resources and set multiplexer selects. 440 * 441 * PM_ISU0 can go either on TTM0 or TTM1, but that's the only 442 * choice we have to deal with. 443 */ 444 if (unituse[PM_ISU0] & 445 (unituse[PM_FPU] | unituse[PM_IFU] | unituse[PM_ISU1])) { 446 unituse[PM_ISU0_ALT] = 1; /* move ISU to TTM1 */ 447 unituse[PM_ISU0] = 0; 448 } 449 /* Set TTM[01]SEL fields. */ 450 ttmuse = 0; 451 for (i = PM_FPU; i <= PM_ISU1; ++i) { 452 if (!unituse[i]) 453 continue; 454 if (ttmuse++) 455 return -1; 456 mmcr1 |= (unsigned long)i << MMCR1_TTM0SEL_SH; 457 } 458 ttmuse = 0; 459 for (; i <= PM_GRS; ++i) { 460 if (!unituse[i]) 461 continue; 462 if (ttmuse++) 463 return -1; 464 mmcr1 |= (unsigned long)(i & 3) << MMCR1_TTM1SEL_SH; 465 } 466 if (ttmuse > 1) 467 return -1; 468 469 /* Set byte lane select fields, TTM[23]SEL and GRS_*SEL. */ 470 for (byte = 0; byte < 4; ++byte) { 471 unit = busbyte[byte]; 472 if (!unit) 473 continue; 474 if (unit == PM_ISU0 && unituse[PM_ISU0_ALT]) { 475 /* get ISU0 through TTM1 rather than TTM0 */ 476 unit = PM_ISU0_ALT; 477 } else if (unit == PM_LSU1 + 1) { 478 /* select lower word of LSU1 for this byte */ 479 mmcr1 |= 1ul << (MMCR1_TTM3SEL_SH + 3 - byte); 480 } 481 ttm = unit >> 2; 482 mmcr1 |= (unsigned long)ttm 483 << (MMCR1_TD_CP_DBG0SEL_SH - 2 * byte); 484 } 485 486 /* Second pass: assign PMCs, set PMCxSEL and PMCx_ADDER_SEL fields */ 487 for (i = 0; i < n_ev; ++i) { 488 pmc = (event[i] >> PM_PMC_SH) & PM_PMC_MSK; 489 unit = (event[i] >> PM_UNIT_SH) & PM_UNIT_MSK; 490 byte = (event[i] >> PM_BYTE_SH) & PM_BYTE_MSK; 491 psel = event[i] & PM_PMCSEL_MSK; 492 isbus = event[i] & PM_BUSEVENT_MSK; 493 if (!pmc) { 494 /* Bus event or any-PMC direct event */ 495 for (pmc = 0; pmc < 4; ++pmc) { 496 if (pmc_inuse & (1 << pmc)) 497 continue; 498 grp = (pmc >> 1) & 1; 499 if (isbus) { 500 if (grp == (byte & 1)) 501 break; 502 } else if (pmc_grp_use[grp] < 2) { 503 ++pmc_grp_use[grp]; 504 break; 505 } 506 } 507 pmc_inuse |= 1 << pmc; 508 } else if (pmc <= 4) { 509 /* Direct event */ 510 --pmc; 511 if ((psel == 8 || psel == 0x10) && isbus && (byte & 2)) 512 /* add events on higher-numbered bus */ 513 mmcr1 |= 1ul << (MMCR1_PMC1_ADDER_SEL_SH - pmc); 514 } else { 515 /* Instructions or run cycles on PMC5/6 */ 516 --pmc; 517 } 518 if (isbus && unit == PM_GRS) { 519 bit = psel & 7; 520 grsel = (event[i] >> PM_GRS_SH) & PM_GRS_MSK; 521 mmcr1 |= (unsigned long)grsel << grsel_shift[bit]; 522 } 523 if (power5_marked_instr_event(event[i])) 524 mmcra |= MMCRA_SAMPLE_ENABLE; 525 if (pmc <= 3) 526 mmcr1 |= psel << MMCR1_PMCSEL_SH(pmc); 527 hwc[i] = pmc; 528 } 529 530 /* Return MMCRx values */ 531 mmcr[0] = 0; 532 if (pmc_inuse & 1) 533 mmcr[0] = MMCR0_PMC1CE; 534 if (pmc_inuse & 0x3e) 535 mmcr[0] |= MMCR0_PMCjCE; 536 mmcr[1] = mmcr1; 537 mmcr[2] = mmcra; 538 return 0; 539 } 540 541 static void power5_disable_pmc(unsigned int pmc, unsigned long mmcr[]) 542 { 543 if (pmc <= 3) 544 mmcr[1] &= ~(0x7fUL << MMCR1_PMCSEL_SH(pmc)); 545 } 546 547 static int power5_generic_events[] = { 548 [PERF_COUNT_HW_CPU_CYCLES] = 0xf, 549 [PERF_COUNT_HW_INSTRUCTIONS] = 0x100009, 550 [PERF_COUNT_HW_CACHE_REFERENCES] = 0x4c1090, /* LD_REF_L1 */ 551 [PERF_COUNT_HW_CACHE_MISSES] = 0x3c1088, /* LD_MISS_L1 */ 552 [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x230e4, /* BR_ISSUED */ 553 [PERF_COUNT_HW_BRANCH_MISSES] = 0x230e5, /* BR_MPRED_CR */ 554 }; 555 556 #define C(x) PERF_COUNT_HW_CACHE_##x 557 558 /* 559 * Table of generalized cache-related events. 560 * 0 means not supported, -1 means nonsensical, other values 561 * are event codes. 562 */ 563 static int power5_cache_events[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = { 564 [C(L1D)] = { /* RESULT_ACCESS RESULT_MISS */ 565 [C(OP_READ)] = { 0x4c1090, 0x3c1088 }, 566 [C(OP_WRITE)] = { 0x3c1090, 0xc10c3 }, 567 [C(OP_PREFETCH)] = { 0xc70e7, 0 }, 568 }, 569 [C(L1I)] = { /* RESULT_ACCESS RESULT_MISS */ 570 [C(OP_READ)] = { 0, 0 }, 571 [C(OP_WRITE)] = { -1, -1 }, 572 [C(OP_PREFETCH)] = { 0, 0 }, 573 }, 574 [C(LL)] = { /* RESULT_ACCESS RESULT_MISS */ 575 [C(OP_READ)] = { 0, 0x3c309b }, 576 [C(OP_WRITE)] = { 0, 0 }, 577 [C(OP_PREFETCH)] = { 0xc50c3, 0 }, 578 }, 579 [C(DTLB)] = { /* RESULT_ACCESS RESULT_MISS */ 580 [C(OP_READ)] = { 0x2c4090, 0x800c4 }, 581 [C(OP_WRITE)] = { -1, -1 }, 582 [C(OP_PREFETCH)] = { -1, -1 }, 583 }, 584 [C(ITLB)] = { /* RESULT_ACCESS RESULT_MISS */ 585 [C(OP_READ)] = { 0, 0x800c0 }, 586 [C(OP_WRITE)] = { -1, -1 }, 587 [C(OP_PREFETCH)] = { -1, -1 }, 588 }, 589 [C(BPU)] = { /* RESULT_ACCESS RESULT_MISS */ 590 [C(OP_READ)] = { 0x230e4, 0x230e5 }, 591 [C(OP_WRITE)] = { -1, -1 }, 592 [C(OP_PREFETCH)] = { -1, -1 }, 593 }, 594 [C(NODE)] = { /* RESULT_ACCESS RESULT_MISS */ 595 [C(OP_READ)] = { -1, -1 }, 596 [C(OP_WRITE)] = { -1, -1 }, 597 [C(OP_PREFETCH)] = { -1, -1 }, 598 }, 599 }; 600 601 static struct power_pmu power5_pmu = { 602 .name = "POWER5", 603 .n_counter = 6, 604 .max_alternatives = MAX_ALT, 605 .add_fields = 0x7000090000555ul, 606 .test_adder = 0x3000490000000ul, 607 .compute_mmcr = power5_compute_mmcr, 608 .get_constraint = power5_get_constraint, 609 .get_alternatives = power5_get_alternatives, 610 .disable_pmc = power5_disable_pmc, 611 .n_generic = ARRAY_SIZE(power5_generic_events), 612 .generic_events = power5_generic_events, 613 .cache_events = &power5_cache_events, 614 .flags = PPMU_HAS_SSLOT, 615 }; 616 617 int init_power5_pmu(void) 618 { 619 if (!cur_cpu_spec->oprofile_cpu_type || 620 strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power5")) 621 return -ENODEV; 622 623 return register_power_pmu(&power5_pmu); 624 } 625