arch/x86/kernel/cpu/perf_event_intel.c

   1 #ifdef CONFIG_CPU_SUP_INTEL
   2
   3 /*
   4  * Intel PerfMon, used on Core and later.
   5  */
   6 static const u64 intel_perfmon_event_map[] =
   7 {
   8   [PERF_COUNT_HW_CPU_CYCLES]            = 0x003c,
   9   [PERF_COUNT_HW_INSTRUCTIONS]          = 0x00c0,
  10   [PERF_COUNT_HW_CACHE_REFERENCES]      = 0x4f2e,
  11   [PERF_COUNT_HW_CACHE_MISSES]          = 0x412e,
  12   [PERF_COUNT_HW_BRANCH_INSTRUCTIONS]   = 0x00c4,
  13   [PERF_COUNT_HW_BRANCH_MISSES]         = 0x00c5,
  14   [PERF_COUNT_HW_BUS_CYCLES]            = 0x013c,
  15 };
  16
  17 static struct event_constraint intel_core_event_constraints[] =
  18 {
  19         INTEL_EVENT_CONSTRAINT(0x11, 0x2), /* FP_ASSIST */
  20         INTEL_EVENT_CONSTRAINT(0x12, 0x2), /* MUL */
  21         INTEL_EVENT_CONSTRAINT(0x13, 0x2), /* DIV */
  22         INTEL_EVENT_CONSTRAINT(0x14, 0x1), /* CYCLES_DIV_BUSY */
  23         INTEL_EVENT_CONSTRAINT(0x19, 0x2), /* DELAYED_BYPASS */
  24         INTEL_EVENT_CONSTRAINT(0xc1, 0x1), /* FP_COMP_INSTR_RET */
  25         EVENT_CONSTRAINT_END
  26 };
  27
  28 static struct event_constraint intel_core2_event_constraints[] =
  29 {
  30         FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
  31         FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
  32         /*
  33          * Core2 has Fixed Counter 2 listed as CPU_CLK_UNHALTED.REF and event
  34          * 0x013c as CPU_CLK_UNHALTED.BUS and specifies there is a fixed
  35          * ratio between these counters.
  36          */
  37         /* FIXED_EVENT_CONSTRAINT(0x013c, 2),  CPU_CLK_UNHALTED.REF */
  38         INTEL_EVENT_CONSTRAINT(0x10, 0x1), /* FP_COMP_OPS_EXE */
  39         INTEL_EVENT_CONSTRAINT(0x11, 0x2), /* FP_ASSIST */
  40         INTEL_EVENT_CONSTRAINT(0x12, 0x2), /* MUL */
  41         INTEL_EVENT_CONSTRAINT(0x13, 0x2), /* DIV */
  42         INTEL_EVENT_CONSTRAINT(0x14, 0x1), /* CYCLES_DIV_BUSY */
  43         INTEL_EVENT_CONSTRAINT(0x18, 0x1), /* IDLE_DURING_DIV */
  44         INTEL_EVENT_CONSTRAINT(0x19, 0x2), /* DELAYED_BYPASS */
  45         INTEL_EVENT_CONSTRAINT(0xa1, 0x1), /* RS_UOPS_DISPATCH_CYCLES */
  46         INTEL_EVENT_CONSTRAINT(0xc9, 0x1), /* ITLB_MISS_RETIRED (T30-9) */
  47         INTEL_EVENT_CONSTRAINT(0xcb, 0x1), /* MEM_LOAD_RETIRED */
  48         EVENT_CONSTRAINT_END
  49 };
  50
  51 static struct event_constraint intel_nehalem_event_constraints[] =
  52 {
  53         FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
  54         FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
  55         /* FIXED_EVENT_CONSTRAINT(0x013c, 2), CPU_CLK_UNHALTED.REF */
  56         INTEL_EVENT_CONSTRAINT(0x40, 0x3), /* L1D_CACHE_LD */
  57         INTEL_EVENT_CONSTRAINT(0x41, 0x3), /* L1D_CACHE_ST */
  58         INTEL_EVENT_CONSTRAINT(0x42, 0x3), /* L1D_CACHE_LOCK */
  59         INTEL_EVENT_CONSTRAINT(0x43, 0x3), /* L1D_ALL_REF */
  60         INTEL_EVENT_CONSTRAINT(0x48, 0x3), /* L1D_PEND_MISS */
  61         INTEL_EVENT_CONSTRAINT(0x4e, 0x3), /* L1D_PREFETCH */
  62         INTEL_EVENT_CONSTRAINT(0x51, 0x3), /* L1D */
  63         INTEL_EVENT_CONSTRAINT(0x63, 0x3), /* CACHE_LOCK_CYCLES */
  64         EVENT_CONSTRAINT_END
  65 };
  66
  67 static struct event_constraint intel_westmere_event_constraints[] =
  68 {
  69         FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
  70         FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
  71         /* FIXED_EVENT_CONSTRAINT(0x013c, 2), CPU_CLK_UNHALTED.REF */
  72         INTEL_EVENT_CONSTRAINT(0x51, 0x3), /* L1D */
  73         INTEL_EVENT_CONSTRAINT(0x60, 0x1), /* OFFCORE_REQUESTS_OUTSTANDING */
  74         INTEL_EVENT_CONSTRAINT(0x63, 0x3), /* CACHE_LOCK_CYCLES */
  75         EVENT_CONSTRAINT_END
  76 };
  77
  78 static struct event_constraint intel_gen_event_constraints[] =
  79 {
  80         FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
  81         FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
  82         /* FIXED_EVENT_CONSTRAINT(0x013c, 2), CPU_CLK_UNHALTED.REF */
  83         EVENT_CONSTRAINT_END
  84 };
  85
  86 static u64 intel_pmu_event_map(int hw_event)
  87 {
  88         return intel_perfmon_event_map[hw_event];
  89 }
  90
  91 static __initconst u64 westmere_hw_cache_event_ids
  92                                 [PERF_COUNT_HW_CACHE_MAX]
  93                                 [PERF_COUNT_HW_CACHE_OP_MAX]
  94                                 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
  95 {
  96  [ C(L1D) ] = {
  97         [ C(OP_READ) ] = {
  98                 [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS       */
  99                 [ C(RESULT_MISS)   ] = 0x0151, /* L1D.REPL                     */
 100         },
 101         [ C(OP_WRITE) ] = {
 102                 [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES      */
 103                 [ C(RESULT_MISS)   ] = 0x0251, /* L1D.M_REPL                   */
 104         },
 105         [ C(OP_PREFETCH) ] = {
 106                 [ C(RESULT_ACCESS) ] = 0x014e, /* L1D_PREFETCH.REQUESTS        */
 107                 [ C(RESULT_MISS)   ] = 0x024e, /* L1D_PREFETCH.MISS            */
 108         },
 109  },
 110  [ C(L1I ) ] = {
 111         [ C(OP_READ) ] = {
 112                 [ C(RESULT_ACCESS) ] = 0x0380, /* L1I.READS                    */
 113                 [ C(RESULT_MISS)   ] = 0x0280, /* L1I.MISSES                   */
 114         },
 115         [ C(OP_WRITE) ] = {
 116                 [ C(RESULT_ACCESS) ] = -1,
 117                 [ C(RESULT_MISS)   ] = -1,
 118         },
 119         [ C(OP_PREFETCH) ] = {
 120                 [ C(RESULT_ACCESS) ] = 0x0,
 121                 [ C(RESULT_MISS)   ] = 0x0,
 122         },
 123  },
 124  [ C(LL  ) ] = {
 125         [ C(OP_READ) ] = {
 126                 [ C(RESULT_ACCESS) ] = 0x0324, /* L2_RQSTS.LOADS               */
 127                 [ C(RESULT_MISS)   ] = 0x0224, /* L2_RQSTS.LD_MISS             */
 128         },
 129         [ C(OP_WRITE) ] = {
 130                 [ C(RESULT_ACCESS) ] = 0x0c24, /* L2_RQSTS.RFOS                */
 131                 [ C(RESULT_MISS)   ] = 0x0824, /* L2_RQSTS.RFO_MISS            */
 132         },
 133         [ C(OP_PREFETCH) ] = {
 134                 [ C(RESULT_ACCESS) ] = 0x4f2e, /* LLC Reference                */
 135                 [ C(RESULT_MISS)   ] = 0x412e, /* LLC Misses                   */
 136         },
 137  },
 138  [ C(DTLB) ] = {
 139         [ C(OP_READ) ] = {
 140                 [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS       */
 141                 [ C(RESULT_MISS)   ] = 0x0108, /* DTLB_LOAD_MISSES.ANY         */
 142         },
 143         [ C(OP_WRITE) ] = {
 144                 [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES      */
 145                 [ C(RESULT_MISS)   ] = 0x010c, /* MEM_STORE_RETIRED.DTLB_MISS  */
 146         },
 147         [ C(OP_PREFETCH) ] = {
 148                 [ C(RESULT_ACCESS) ] = 0x0,
 149                 [ C(RESULT_MISS)   ] = 0x0,
 150         },
 151  },
 152  [ C(ITLB) ] = {
 153         [ C(OP_READ) ] = {
 154                 [ C(RESULT_ACCESS) ] = 0x01c0, /* INST_RETIRED.ANY_P           */
 155                 [ C(RESULT_MISS)   ] = 0x0185, /* ITLB_MISSES.ANY              */
 156         },
 157         [ C(OP_WRITE) ] = {
 158                 [ C(RESULT_ACCESS) ] = -1,
 159                 [ C(RESULT_MISS)   ] = -1,
 160         },
 161         [ C(OP_PREFETCH) ] = {
 162                 [ C(RESULT_ACCESS) ] = -1,
 163                 [ C(RESULT_MISS)   ] = -1,
 164         },
 165  },
 166  [ C(BPU ) ] = {
 167         [ C(OP_READ) ] = {
 168                 [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */
 169                 [ C(RESULT_MISS)   ] = 0x03e8, /* BPU_CLEARS.ANY               */
 170         },
 171         [ C(OP_WRITE) ] = {
 172                 [ C(RESULT_ACCESS) ] = -1,
 173                 [ C(RESULT_MISS)   ] = -1,
 174         },
 175         [ C(OP_PREFETCH) ] = {
 176                 [ C(RESULT_ACCESS) ] = -1,
 177                 [ C(RESULT_MISS)   ] = -1,
 178         },
 179  },
 180 };
 181
 182 static __initconst u64 nehalem_hw_cache_event_ids
 183                                 [PERF_COUNT_HW_CACHE_MAX]
 184                                 [PERF_COUNT_HW_CACHE_OP_MAX]
 185                                 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
 186 {
 187  [ C(L1D) ] = {
 188         [ C(OP_READ) ] = {
 189                 [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI            */
 190                 [ C(RESULT_MISS)   ] = 0x0140, /* L1D_CACHE_LD.I_STATE         */
 191         },
 192         [ C(OP_WRITE) ] = {
 193                 [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI            */
 194                 [ C(RESULT_MISS)   ] = 0x0141, /* L1D_CACHE_ST.I_STATE         */
 195         },
 196         [ C(OP_PREFETCH) ] = {
 197                 [ C(RESULT_ACCESS) ] = 0x014e, /* L1D_PREFETCH.REQUESTS        */
 198                 [ C(RESULT_MISS)   ] = 0x024e, /* L1D_PREFETCH.MISS            */
 199         },
 200  },
 201  [ C(L1I ) ] = {
 202         [ C(OP_READ) ] = {
 203                 [ C(RESULT_ACCESS) ] = 0x0380, /* L1I.READS                    */
 204                 [ C(RESULT_MISS)   ] = 0x0280, /* L1I.MISSES                   */
 205         },
 206         [ C(OP_WRITE) ] = {
 207                 [ C(RESULT_ACCESS) ] = -1,
 208                 [ C(RESULT_MISS)   ] = -1,
 209         },
 210         [ C(OP_PREFETCH) ] = {
 211                 [ C(RESULT_ACCESS) ] = 0x0,
 212                 [ C(RESULT_MISS)   ] = 0x0,
 213         },
 214  },
 215  [ C(LL  ) ] = {
 216         [ C(OP_READ) ] = {
 217                 [ C(RESULT_ACCESS) ] = 0x0324, /* L2_RQSTS.LOADS               */
 218                 [ C(RESULT_MISS)   ] = 0x0224, /* L2_RQSTS.LD_MISS             */
 219         },
 220         [ C(OP_WRITE) ] = {
 221                 [ C(RESULT_ACCESS) ] = 0x0c24, /* L2_RQSTS.RFOS                */
 222                 [ C(RESULT_MISS)   ] = 0x0824, /* L2_RQSTS.RFO_MISS            */
 223         },
 224         [ C(OP_PREFETCH) ] = {
 225                 [ C(RESULT_ACCESS) ] = 0x4f2e, /* LLC Reference                */
 226                 [ C(RESULT_MISS)   ] = 0x412e, /* LLC Misses                   */
 227         },
 228  },
 229  [ C(DTLB) ] = {
 230         [ C(OP_READ) ] = {
 231                 [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI   (alias)  */
 232                 [ C(RESULT_MISS)   ] = 0x0108, /* DTLB_LOAD_MISSES.ANY         */
 233         },
 234         [ C(OP_WRITE) ] = {
 235                 [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI   (alias)  */
 236                 [ C(RESULT_MISS)   ] = 0x010c, /* MEM_STORE_RETIRED.DTLB_MISS  */
 237         },
 238         [ C(OP_PREFETCH) ] = {
 239                 [ C(RESULT_ACCESS) ] = 0x0,
 240                 [ C(RESULT_MISS)   ] = 0x0,
 241         },
 242  },
 243  [ C(ITLB) ] = {
 244         [ C(OP_READ) ] = {
 245                 [ C(RESULT_ACCESS) ] = 0x01c0, /* INST_RETIRED.ANY_P           */
 246                 [ C(RESULT_MISS)   ] = 0x20c8, /* ITLB_MISS_RETIRED            */
 247         },
 248         [ C(OP_WRITE) ] = {
 249                 [ C(RESULT_ACCESS) ] = -1,
 250                 [ C(RESULT_MISS)   ] = -1,
 251         },
 252         [ C(OP_PREFETCH) ] = {
 253                 [ C(RESULT_ACCESS) ] = -1,
 254                 [ C(RESULT_MISS)   ] = -1,
 255         },
 256  },
 257  [ C(BPU ) ] = {
 258         [ C(OP_READ) ] = {
 259                 [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */
 260                 [ C(RESULT_MISS)   ] = 0x03e8, /* BPU_CLEARS.ANY               */
 261         },
 262         [ C(OP_WRITE) ] = {
 263                 [ C(RESULT_ACCESS) ] = -1,
 264                 [ C(RESULT_MISS)   ] = -1,
 265         },
 266         [ C(OP_PREFETCH) ] = {
 267                 [ C(RESULT_ACCESS) ] = -1,
 268                 [ C(RESULT_MISS)   ] = -1,
 269         },
 270  },
 271 };
 272
 273 static __initconst u64 core2_hw_cache_event_ids
 274                                 [PERF_COUNT_HW_CACHE_MAX]
 275                                 [PERF_COUNT_HW_CACHE_OP_MAX]
 276                                 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
 277 {
 278  [ C(L1D) ] = {
 279         [ C(OP_READ) ] = {
 280                 [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI          */
 281                 [ C(RESULT_MISS)   ] = 0x0140, /* L1D_CACHE_LD.I_STATE       */
 282         },
 283         [ C(OP_WRITE) ] = {
 284                 [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI          */
 285                 [ C(RESULT_MISS)   ] = 0x0141, /* L1D_CACHE_ST.I_STATE       */
 286         },
 287         [ C(OP_PREFETCH) ] = {
 288                 [ C(RESULT_ACCESS) ] = 0x104e, /* L1D_PREFETCH.REQUESTS      */
 289                 [ C(RESULT_MISS)   ] = 0,
 290         },
 291  },
 292  [ C(L1I ) ] = {
 293         [ C(OP_READ) ] = {
 294                 [ C(RESULT_ACCESS) ] = 0x0080, /* L1I.READS                  */
 295                 [ C(RESULT_MISS)   ] = 0x0081, /* L1I.MISSES                 */
 296         },
 297         [ C(OP_WRITE) ] = {
 298                 [ C(RESULT_ACCESS) ] = -1,
 299                 [ C(RESULT_MISS)   ] = -1,
 300         },
 301         [ C(OP_PREFETCH) ] = {
 302                 [ C(RESULT_ACCESS) ] = 0,
 303                 [ C(RESULT_MISS)   ] = 0,
 304         },
 305  },
 306  [ C(LL  ) ] = {
 307         [ C(OP_READ) ] = {
 308                 [ C(RESULT_ACCESS) ] = 0x4f29, /* L2_LD.MESI                 */
 309                 [ C(RESULT_MISS)   ] = 0x4129, /* L2_LD.ISTATE               */
 310         },
 311         [ C(OP_WRITE) ] = {
 312                 [ C(RESULT_ACCESS) ] = 0x4f2A, /* L2_ST.MESI                 */
 313                 [ C(RESULT_MISS)   ] = 0x412A, /* L2_ST.ISTATE               */
 314         },
 315         [ C(OP_PREFETCH) ] = {
 316                 [ C(RESULT_ACCESS) ] = 0,
 317                 [ C(RESULT_MISS)   ] = 0,
 318         },
 319  },
 320  [ C(DTLB) ] = {
 321         [ C(OP_READ) ] = {
 322                 [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI  (alias) */
 323                 [ C(RESULT_MISS)   ] = 0x0208, /* DTLB_MISSES.MISS_LD        */
 324         },
 325         [ C(OP_WRITE) ] = {
 326                 [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI  (alias) */
 327                 [ C(RESULT_MISS)   ] = 0x0808, /* DTLB_MISSES.MISS_ST        */
 328         },
 329         [ C(OP_PREFETCH) ] = {
 330                 [ C(RESULT_ACCESS) ] = 0,
 331                 [ C(RESULT_MISS)   ] = 0,
 332         },
 333  },
 334  [ C(ITLB) ] = {
 335         [ C(OP_READ) ] = {
 336                 [ C(RESULT_ACCESS) ] = 0x00c0, /* INST_RETIRED.ANY_P         */
 337                 [ C(RESULT_MISS)   ] = 0x1282, /* ITLBMISSES                 */
 338         },
 339         [ C(OP_WRITE) ] = {
 340                 [ C(RESULT_ACCESS) ] = -1,
 341                 [ C(RESULT_MISS)   ] = -1,
 342         },
 343         [ C(OP_PREFETCH) ] = {
 344                 [ C(RESULT_ACCESS) ] = -1,
 345                 [ C(RESULT_MISS)   ] = -1,
 346         },
 347  },
 348  [ C(BPU ) ] = {
 349         [ C(OP_READ) ] = {
 350                 [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ANY        */
 351                 [ C(RESULT_MISS)   ] = 0x00c5, /* BP_INST_RETIRED.MISPRED    */
 352         },
 353         [ C(OP_WRITE) ] = {
 354                 [ C(RESULT_ACCESS) ] = -1,
 355                 [ C(RESULT_MISS)   ] = -1,
 356         },
 357         [ C(OP_PREFETCH) ] = {
 358                 [ C(RESULT_ACCESS) ] = -1,
 359                 [ C(RESULT_MISS)   ] = -1,
 360         },
 361  },
 362 };
 363
 364 static __initconst u64 atom_hw_cache_event_ids
 365                                 [PERF_COUNT_HW_CACHE_MAX]
 366                                 [PERF_COUNT_HW_CACHE_OP_MAX]
 367                                 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
 368 {
 369  [ C(L1D) ] = {
 370         [ C(OP_READ) ] = {
 371                 [ C(RESULT_ACCESS) ] = 0x2140, /* L1D_CACHE.LD               */
 372                 [ C(RESULT_MISS)   ] = 0,
 373         },
 374         [ C(OP_WRITE) ] = {
 375                 [ C(RESULT_ACCESS) ] = 0x2240, /* L1D_CACHE.ST               */
 376                 [ C(RESULT_MISS)   ] = 0,
 377         },
 378         [ C(OP_PREFETCH) ] = {
 379                 [ C(RESULT_ACCESS) ] = 0x0,
 380                 [ C(RESULT_MISS)   ] = 0,
 381         },
 382  },
 383  [ C(L1I ) ] = {
 384         [ C(OP_READ) ] = {
 385                 [ C(RESULT_ACCESS) ] = 0x0380, /* L1I.READS                  */
 386                 [ C(RESULT_MISS)   ] = 0x0280, /* L1I.MISSES                 */
 387         },
 388         [ C(OP_WRITE) ] = {
 389                 [ C(RESULT_ACCESS) ] = -1,
 390                 [ C(RESULT_MISS)   ] = -1,
 391         },
 392         [ C(OP_PREFETCH) ] = {
 393                 [ C(RESULT_ACCESS) ] = 0,
 394                 [ C(RESULT_MISS)   ] = 0,
 395         },
 396  },
 397  [ C(LL  ) ] = {
 398         [ C(OP_READ) ] = {
 399                 [ C(RESULT_ACCESS) ] = 0x4f29, /* L2_LD.MESI                 */
 400                 [ C(RESULT_MISS)   ] = 0x4129, /* L2_LD.ISTATE               */
 401         },
 402         [ C(OP_WRITE) ] = {
 403                 [ C(RESULT_ACCESS) ] = 0x4f2A, /* L2_ST.MESI                 */
 404                 [ C(RESULT_MISS)   ] = 0x412A, /* L2_ST.ISTATE               */
 405         },
 406         [ C(OP_PREFETCH) ] = {
 407                 [ C(RESULT_ACCESS) ] = 0,
 408                 [ C(RESULT_MISS)   ] = 0,
 409         },
 410  },
 411  [ C(DTLB) ] = {
 412         [ C(OP_READ) ] = {
 413                 [ C(RESULT_ACCESS) ] = 0x2140, /* L1D_CACHE_LD.MESI  (alias) */
 414                 [ C(RESULT_MISS)   ] = 0x0508, /* DTLB_MISSES.MISS_LD        */
 415         },
 416         [ C(OP_WRITE) ] = {
 417                 [ C(RESULT_ACCESS) ] = 0x2240, /* L1D_CACHE_ST.MESI  (alias) */
 418                 [ C(RESULT_MISS)   ] = 0x0608, /* DTLB_MISSES.MISS_ST        */
 419         },
 420         [ C(OP_PREFETCH) ] = {
 421                 [ C(RESULT_ACCESS) ] = 0,
 422                 [ C(RESULT_MISS)   ] = 0,
 423         },
 424  },
 425  [ C(ITLB) ] = {
 426         [ C(OP_READ) ] = {
 427                 [ C(RESULT_ACCESS) ] = 0x00c0, /* INST_RETIRED.ANY_P         */
 428                 [ C(RESULT_MISS)   ] = 0x0282, /* ITLB.MISSES                */
 429         },
 430         [ C(OP_WRITE) ] = {
 431                 [ C(RESULT_ACCESS) ] = -1,
 432                 [ C(RESULT_MISS)   ] = -1,
 433         },
 434         [ C(OP_PREFETCH) ] = {
 435                 [ C(RESULT_ACCESS) ] = -1,
 436                 [ C(RESULT_MISS)   ] = -1,
 437         },
 438  },
 439  [ C(BPU ) ] = {
 440         [ C(OP_READ) ] = {
 441                 [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ANY        */
 442                 [ C(RESULT_MISS)   ] = 0x00c5, /* BP_INST_RETIRED.MISPRED    */
 443         },
 444         [ C(OP_WRITE) ] = {
 445                 [ C(RESULT_ACCESS) ] = -1,
 446                 [ C(RESULT_MISS)   ] = -1,
 447         },
 448         [ C(OP_PREFETCH) ] = {
 449                 [ C(RESULT_ACCESS) ] = -1,
 450                 [ C(RESULT_MISS)   ] = -1,
 451         },
 452  },
 453 };
 454
 455 static u64 intel_pmu_raw_event(u64 hw_event)
 456 {
 457 #define CORE_EVNTSEL_EVENT_MASK         0x000000FFULL
 458 #define CORE_EVNTSEL_UNIT_MASK          0x0000FF00ULL
 459 #define CORE_EVNTSEL_EDGE_MASK          0x00040000ULL
 460 #define CORE_EVNTSEL_INV_MASK           0x00800000ULL
 461 #define CORE_EVNTSEL_REG_MASK           0xFF000000ULL
 462
 463 #define CORE_EVNTSEL_MASK               \
 464         (INTEL_ARCH_EVTSEL_MASK |       \
 465          INTEL_ARCH_UNIT_MASK   |       \
 466          INTEL_ARCH_EDGE_MASK   |       \
 467          INTEL_ARCH_INV_MASK    |       \
 468          INTEL_ARCH_CNT_MASK)
 469
 470         return hw_event & CORE_EVNTSEL_MASK;
 471 }
 472
 473 static void intel_pmu_disable_all(void)
 474 {
 475         struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
 476
 477         wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0);
 478
 479         if (test_bit(X86_PMC_IDX_FIXED_BTS, cpuc->active_mask))
 480                 intel_pmu_disable_bts();
 481
 482         intel_pmu_pebs_disable_all();
 483         intel_pmu_lbr_disable_all();
 484 }
 485
 486 static void intel_pmu_enable_all(int added)
 487 {
 488         struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
 489
 490         intel_pmu_pebs_enable_all();
 491         intel_pmu_lbr_enable_all();
 492         wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, x86_pmu.intel_ctrl);
 493
 494         if (test_bit(X86_PMC_IDX_FIXED_BTS, cpuc->active_mask)) {
 495                 struct perf_event *event =
 496                         cpuc->events[X86_PMC_IDX_FIXED_BTS];
 497
 498                 if (WARN_ON_ONCE(!event))
 499                         return;
 500
 501                 intel_pmu_enable_bts(event->hw.config);
 502         }
 503 }
 504
 505 /*
 506  * Workaround for:
 507  *   Intel Errata AAK100 (model 26)
 508  *   Intel Errata AAP53  (model 30)
 509  *
 510  * These chips need to be 'reset' when adding counters by programming
 511  * the magic three (non counting) events 0x4300D2, 0x4300B1 and 0x4300B5
 512  * either in sequence on the same PMC or on different PMCs.
 513  */
 514 static void intel_pmu_nhm_enable_all(int added)
 515 {
 516         if (added) {
 517                 struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
 518                 int i;
 519
 520                 wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + 0, 0x4300D2);
 521                 wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + 1, 0x4300B1);
 522                 wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + 2, 0x4300B5);
 523
 524                 wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0x3);
 525                 wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0x0);
 526
 527                 for (i = 0; i < 3; i++) {
 528                         struct perf_event *event = cpuc->events[i];
 529
 530                         if (!event)
 531                                 continue;
 532
 533                         __x86_pmu_enable_event(&event->hw);
 534                 }
 535         }
 536         intel_pmu_enable_all(added);
 537 }
 538
 539 static inline u64 intel_pmu_get_status(void)
 540 {
 541         u64 status;
 542
 543         rdmsrl(MSR_CORE_PERF_GLOBAL_STATUS, status);
 544
 545         return status;
 546 }
 547
 548 static inline void intel_pmu_ack_status(u64 ack)
 549 {
 550         wrmsrl(MSR_CORE_PERF_GLOBAL_OVF_CTRL, ack);
 551 }
 552
 553 static void intel_pmu_disable_fixed(struct hw_perf_event *hwc)
 554 {
 555         int idx = hwc->idx - X86_PMC_IDX_FIXED;
 556         u64 ctrl_val, mask;
 557
 558         mask = 0xfULL << (idx * 4);
 559
 560         rdmsrl(hwc->config_base, ctrl_val);
 561         ctrl_val &= ~mask;
 562         wrmsrl(hwc->config_base, ctrl_val);
 563 }
 564
 565 static void intel_pmu_disable_event(struct perf_event *event)
 566 {
 567         struct hw_perf_event *hwc = &event->hw;
 568
 569         if (unlikely(hwc->idx == X86_PMC_IDX_FIXED_BTS)) {
 570                 intel_pmu_disable_bts();
 571                 intel_pmu_drain_bts_buffer();
 572                 return;
 573         }
 574
 575         if (unlikely(hwc->config_base == MSR_ARCH_PERFMON_FIXED_CTR_CTRL)) {
 576                 intel_pmu_disable_fixed(hwc);
 577                 return;
 578         }
 579
 580         x86_pmu_disable_event(event);
 581
 582         if (unlikely(event->attr.precise))
 583                 intel_pmu_pebs_disable(event);
 584 }
 585
 586 static void intel_pmu_enable_fixed(struct hw_perf_event *hwc)
 587 {
 588         int idx = hwc->idx - X86_PMC_IDX_FIXED;
 589         u64 ctrl_val, bits, mask;
 590
 591         /*
 592          * Enable IRQ generation (0x8),
 593          * and enable ring-3 counting (0x2) and ring-0 counting (0x1)
 594          * if requested:
 595          */
 596         bits = 0x8ULL;
 597         if (hwc->config & ARCH_PERFMON_EVENTSEL_USR)
 598                 bits |= 0x2;
 599         if (hwc->config & ARCH_PERFMON_EVENTSEL_OS)
 600                 bits |= 0x1;
 601
 602         /*
 603          * ANY bit is supported in v3 and up
 604          */
 605         if (x86_pmu.version > 2 && hwc->config & ARCH_PERFMON_EVENTSEL_ANY)
 606                 bits |= 0x4;
 607
 608         bits <<= (idx * 4);
 609         mask = 0xfULL << (idx * 4);
 610
 611         rdmsrl(hwc->config_base, ctrl_val);
 612         ctrl_val &= ~mask;
 613         ctrl_val |= bits;
 614         wrmsrl(hwc->config_base, ctrl_val);
 615 }
 616
 617 static void intel_pmu_enable_event(struct perf_event *event)
 618 {
 619         struct hw_perf_event *hwc = &event->hw;
 620
 621         if (unlikely(hwc->idx == X86_PMC_IDX_FIXED_BTS)) {
 622                 if (!__get_cpu_var(cpu_hw_events).enabled)
 623                         return;
 624
 625                 intel_pmu_enable_bts(hwc->config);
 626                 return;
 627         }
 628
 629         if (unlikely(hwc->config_base == MSR_ARCH_PERFMON_FIXED_CTR_CTRL)) {
 630                 intel_pmu_enable_fixed(hwc);
 631                 return;
 632         }
 633
 634         if (unlikely(event->attr.precise))
 635                 intel_pmu_pebs_enable(event);
 636
 637         __x86_pmu_enable_event(hwc);
 638 }
 639
 640 /*
 641  * Save and restart an expired event. Called by NMI contexts,
 642  * so it has to be careful about preempting normal event ops:
 643  */
 644 static int intel_pmu_save_and_restart(struct perf_event *event)
 645 {
 646         x86_perf_event_update(event);
 647         return x86_perf_event_set_period(event);
 648 }
 649
 650 static void intel_pmu_reset(void)
 651 {
 652         struct debug_store *ds = __get_cpu_var(cpu_hw_events).ds;
 653         unsigned long flags;
 654         int idx;
 655
 656         if (!x86_pmu.num_events)
 657                 return;
 658
 659         local_irq_save(flags);
 660
 661         printk("clearing PMU state on CPU#%d\n", smp_processor_id());
 662
 663         for (idx = 0; idx < x86_pmu.num_events; idx++) {
 664                 checking_wrmsrl(x86_pmu.eventsel + idx, 0ull);
 665                 checking_wrmsrl(x86_pmu.perfctr  + idx, 0ull);
 666         }
 667         for (idx = 0; idx < x86_pmu.num_events_fixed; idx++) {
 668                 checking_wrmsrl(MSR_ARCH_PERFMON_FIXED_CTR0 + idx, 0ull);
 669         }
 670         if (ds)
 671                 ds->bts_index = ds->bts_buffer_base;
 672
 673         local_irq_restore(flags);
 674 }
 675
 676 /*
 677  * This handler is triggered by the local APIC, so the APIC IRQ handling
 678  * rules apply:
 679  */
 680 static int intel_pmu_handle_irq(struct pt_regs *regs)
 681 {
 682         struct perf_sample_data data;
 683         struct cpu_hw_events *cpuc;
 684         int bit, loops;
 685         u64 ack, status;
 686
 687         perf_sample_data_init(&data, 0);
 688
 689         cpuc = &__get_cpu_var(cpu_hw_events);
 690
 691         intel_pmu_disable_all();
 692         intel_pmu_drain_bts_buffer();
 693         status = intel_pmu_get_status();
 694         if (!status) {
 695                 intel_pmu_enable_all(0);
 696                 return 0;
 697         }
 698
 699         loops = 0;
 700 again:
 701         if (++loops > 100) {
 702                 WARN_ONCE(1, "perfevents: irq loop stuck!\n");
 703                 perf_event_print_debug();
 704                 intel_pmu_reset();
 705                 goto done;
 706         }
 707
 708         inc_irq_stat(apic_perf_irqs);
 709         ack = status;
 710
 711         intel_pmu_lbr_read();
 712
 713         /*
 714          * PEBS overflow sets bit 62 in the global status register
 715          */
 716         if (__test_and_clear_bit(62, (unsigned long *)&status))
 717                 x86_pmu.drain_pebs(regs);
 718
 719         for_each_set_bit(bit, (unsigned long *)&status, X86_PMC_IDX_MAX) {
 720                 struct perf_event *event = cpuc->events[bit];
 721
 722                 if (!test_bit(bit, cpuc->active_mask))
 723                         continue;
 724
 725                 if (!intel_pmu_save_and_restart(event))
 726                         continue;
 727
 728                 data.period = event->hw.last_period;
 729
 730                 if (perf_event_overflow(event, 1, &data, regs))
 731                         x86_pmu_stop(event);
 732         }
 733
 734         intel_pmu_ack_status(ack);
 735
 736         /*
 737          * Repeat if there is more work to be done:
 738          */
 739         status = intel_pmu_get_status();
 740         if (status)
 741                 goto again;
 742
 743 done:
 744         intel_pmu_enable_all(0);
 745         return 1;
 746 }
 747
 748 static struct event_constraint *
 749 intel_bts_constraints(struct perf_event *event)
 750 {
 751         struct hw_perf_event *hwc = &event->hw;
 752         unsigned int hw_event, bts_event;
 753
 754         hw_event = hwc->config & INTEL_ARCH_EVENT_MASK;
 755         bts_event = x86_pmu.event_map(PERF_COUNT_HW_BRANCH_INSTRUCTIONS);
 756
 757         if (unlikely(hw_event == bts_event && hwc->sample_period == 1))
 758                 return &bts_constraint;
 759
 760         return NULL;
 761 }
 762
 763 static struct event_constraint *
 764 intel_get_event_constraints(struct cpu_hw_events *cpuc, struct perf_event *event)
 765 {
 766         struct event_constraint *c;
 767
 768         c = intel_bts_constraints(event);
 769         if (c)
 770                 return c;
 771
 772         c = intel_pebs_constraints(event);
 773         if (c)
 774                 return c;
 775
 776         return x86_get_event_constraints(cpuc, event);
 777 }
 778
 779 static __initconst struct x86_pmu core_pmu = {
 780         .name                   = "core",
 781         .handle_irq             = x86_pmu_handle_irq,
 782         .disable_all            = x86_pmu_disable_all,
 783         .enable_all             = x86_pmu_enable_all,
 784         .enable                 = x86_pmu_enable_event,
 785         .disable                = x86_pmu_disable_event,
 786         .hw_config              = x86_hw_config,
 787         .schedule_events        = x86_schedule_events,
 788         .eventsel               = MSR_ARCH_PERFMON_EVENTSEL0,
 789         .perfctr                = MSR_ARCH_PERFMON_PERFCTR0,
 790         .event_map              = intel_pmu_event_map,
 791         .raw_event              = intel_pmu_raw_event,
 792         .max_events             = ARRAY_SIZE(intel_perfmon_event_map),
 793         .apic                   = 1,
 794         /*
 795          * Intel PMCs cannot be accessed sanely above 32 bit width,
 796          * so we install an artificial 1<<31 period regardless of
 797          * the generic event period:
 798          */
 799         .max_period             = (1ULL << 31) - 1,
 800         .get_event_constraints  = intel_get_event_constraints,
 801         .event_constraints      = intel_core_event_constraints,
 802 };
 803
 804 static void intel_pmu_cpu_starting(int cpu)
 805 {
 806         init_debug_store_on_cpu(cpu);
 807         /*
 808          * Deal with CPUs that don't clear their LBRs on power-up.
 809          */
 810         intel_pmu_lbr_reset();
 811 }
 812
 813 static void intel_pmu_cpu_dying(int cpu)
 814 {
 815         fini_debug_store_on_cpu(cpu);
 816 }
 817
 818 static __initconst struct x86_pmu intel_pmu = {
 819         .name                   = "Intel",
 820         .handle_irq             = intel_pmu_handle_irq,
 821         .disable_all            = intel_pmu_disable_all,
 822         .enable_all             = intel_pmu_enable_all,
 823         .enable                 = intel_pmu_enable_event,
 824         .disable                = intel_pmu_disable_event,
 825         .hw_config              = x86_hw_config,
 826         .schedule_events        = x86_schedule_events,
 827         .eventsel               = MSR_ARCH_PERFMON_EVENTSEL0,
 828         .perfctr                = MSR_ARCH_PERFMON_PERFCTR0,
 829         .event_map              = intel_pmu_event_map,
 830         .raw_event              = intel_pmu_raw_event,
 831         .max_events             = ARRAY_SIZE(intel_perfmon_event_map),
 832         .apic                   = 1,
 833         /*
 834          * Intel PMCs cannot be accessed sanely above 32 bit width,
 835          * so we install an artificial 1<<31 period regardless of
 836          * the generic event period:
 837          */
 838         .max_period             = (1ULL << 31) - 1,
 839         .get_event_constraints  = intel_get_event_constraints,
 840
 841         .cpu_starting           = intel_pmu_cpu_starting,
 842         .cpu_dying              = intel_pmu_cpu_dying,
 843 };
 844
 845 static void intel_clovertown_quirks(void)
 846 {
 847         /*
 848          * PEBS is unreliable due to:
 849          *
 850          *   AJ67  - PEBS may experience CPL leaks
 851          *   AJ68  - PEBS PMI may be delayed by one event
 852          *   AJ69  - GLOBAL_STATUS[62] will only be set when DEBUGCTL[12]
 853          *   AJ106 - FREEZE_LBRS_ON_PMI doesn't work in combination with PEBS
 854          *
 855          * AJ67 could be worked around by restricting the OS/USR flags.
 856          * AJ69 could be worked around by setting PMU_FREEZE_ON_PMI.
 857          *
 858          * AJ106 could possibly be worked around by not allowing LBR
 859          *       usage from PEBS, including the fixup.
 860          * AJ68  could possibly be worked around by always programming
 861          *       a pebs_event_reset[0] value and coping with the lost events.
 862          *
 863          * But taken together it might just make sense to not enable PEBS on
 864          * these chips.
 865          */
 866         printk(KERN_WARNING "PEBS disabled due to CPU errata.\n");
 867         x86_pmu.pebs = 0;
 868         x86_pmu.pebs_constraints = NULL;
 869 }
 870
 871 static __init int intel_pmu_init(void)
 872 {
 873         union cpuid10_edx edx;
 874         union cpuid10_eax eax;
 875         unsigned int unused;
 876         unsigned int ebx;
 877         int version;
 878
 879         if (!cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON)) {
 880                 switch (boot_cpu_data.x86) {
 881                 case 0x6:
 882                         return p6_pmu_init();
 883                 case 0xf:
 884                         return p4_pmu_init();
 885                 }
 886                 return -ENODEV;
 887         }
 888
 889         /*
 890          * Check whether the Architectural PerfMon supports
 891          * Branch Misses Retired hw_event or not.
 892          */
 893         cpuid(10, &eax.full, &ebx, &unused, &edx.full);
 894         if (eax.split.mask_length <= ARCH_PERFMON_BRANCH_MISSES_RETIRED)
 895                 return -ENODEV;
 896
 897         version = eax.split.version_id;
 898         if (version < 2)
 899                 x86_pmu = core_pmu;
 900         else
 901                 x86_pmu = intel_pmu;
 902
 903         x86_pmu.version                 = version;
 904         x86_pmu.num_events              = eax.split.num_events;
 905         x86_pmu.event_bits              = eax.split.bit_width;
 906         x86_pmu.event_mask              = (1ULL << eax.split.bit_width) - 1;
 907
 908         /*
 909          * Quirk: v2 perfmon does not report fixed-purpose events, so
 910          * assume at least 3 events:
 911          */
 912         if (version > 1)
 913                 x86_pmu.num_events_fixed = max((int)edx.split.num_events_fixed, 3);
 914
 915         /*
 916          * v2 and above have a perf capabilities MSR
 917          */
 918         if (version > 1) {
 919                 u64 capabilities;
 920
 921                 rdmsrl(MSR_IA32_PERF_CAPABILITIES, capabilities);
 922                 x86_pmu.intel_cap.capabilities = capabilities;
 923         }
 924
 925         intel_ds_init();
 926
 927         /*
 928          * Install the hw-cache-events table:
 929          */
 930         switch (boot_cpu_data.x86_model) {
 931         case 14: /* 65 nm core solo/duo, "Yonah" */
 932                 pr_cont("Core events, ");
 933                 break;
 934
 935         case 15: /* original 65 nm celeron/pentium/core2/xeon, "Merom"/"Conroe" */
 936                 x86_pmu.quirks = intel_clovertown_quirks;
 937         case 22: /* single-core 65 nm celeron/core2solo "Merom-L"/"Conroe-L" */
 938         case 23: /* current 45 nm celeron/core2/xeon "Penryn"/"Wolfdale" */
 939         case 29: /* six-core 45 nm xeon "Dunnington" */
 940                 memcpy(hw_cache_event_ids, core2_hw_cache_event_ids,
 941                        sizeof(hw_cache_event_ids));
 942
 943                 intel_pmu_lbr_init_core();
 944
 945                 x86_pmu.event_constraints = intel_core2_event_constraints;
 946                 pr_cont("Core2 events, ");
 947                 break;
 948
 949         case 26: /* 45 nm nehalem, "Bloomfield" */
 950         case 30: /* 45 nm nehalem, "Lynnfield" */
 951                 memcpy(hw_cache_event_ids, nehalem_hw_cache_event_ids,
 952                        sizeof(hw_cache_event_ids));
 953
 954                 intel_pmu_lbr_init_nhm();
 955
 956                 x86_pmu.event_constraints = intel_nehalem_event_constraints;
 957                 x86_pmu.enable_all = intel_pmu_nhm_enable_all;
 958                 pr_cont("Nehalem events, ");
 959                 break;
 960
 961         case 28: /* Atom */
 962                 memcpy(hw_cache_event_ids, atom_hw_cache_event_ids,
 963                        sizeof(hw_cache_event_ids));
 964
 965                 intel_pmu_lbr_init_atom();
 966
 967                 x86_pmu.event_constraints = intel_gen_event_constraints;
 968                 pr_cont("Atom events, ");
 969                 break;
 970
 971         case 37: /* 32 nm nehalem, "Clarkdale" */
 972         case 44: /* 32 nm nehalem, "Gulftown" */
 973                 memcpy(hw_cache_event_ids, westmere_hw_cache_event_ids,
 974                        sizeof(hw_cache_event_ids));
 975
 976                 intel_pmu_lbr_init_nhm();
 977
 978                 x86_pmu.event_constraints = intel_westmere_event_constraints;
 979                 pr_cont("Westmere events, ");
 980                 break;
 981
 982         default:
 983                 /*
 984                  * default constraints for v2 and up
 985                  */
 986                 x86_pmu.event_constraints = intel_gen_event_constraints;
 987                 pr_cont("generic architected perfmon, ");
 988         }
 989         return 0;
 990 }
 991
 992 #else /* CONFIG_CPU_SUP_INTEL */
 993
 994 static int intel_pmu_init(void)
 995 {
 996         return 0;
 997 }
 998
 999 #endif /* CONFIG_CPU_SUP_INTEL */