linux/arch/alpha/include/asm/wrperfmon.h
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   1/*
   2 * Definitions for use with the Alpha wrperfmon PAL call.
   3 */
   4
   5#ifndef __ALPHA_WRPERFMON_H
   6#define __ALPHA_WRPERFMON_H
   7
   8/* Following commands are implemented on all CPUs */
   9#define PERFMON_CMD_DISABLE 0
  10#define PERFMON_CMD_ENABLE 1
  11#define PERFMON_CMD_DESIRED_EVENTS 2
  12#define PERFMON_CMD_LOGGING_OPTIONS 3
  13/* Following commands on EV5/EV56/PCA56 only */
  14#define PERFMON_CMD_INT_FREQ 4
  15#define PERFMON_CMD_ENABLE_CLEAR 7
  16/* Following commands are on EV5 and better CPUs */
  17#define PERFMON_CMD_READ 5
  18#define PERFMON_CMD_WRITE 6
  19/* Following command are on EV6 and better CPUs */
  20#define PERFMON_CMD_ENABLE_WRITE 7
  21/* Following command are on EV67 and better CPUs */
  22#define PERFMON_CMD_I_STAT 8
  23#define PERFMON_CMD_PMPC 9
  24
  25
  26/* EV5/EV56/PCA56 Counters */
  27#define EV5_PCTR_0 (1UL<<0)
  28#define EV5_PCTR_1 (1UL<<1)
  29#define EV5_PCTR_2 (1UL<<2)
  30
  31#define EV5_PCTR_0_COUNT_SHIFT 48
  32#define EV5_PCTR_1_COUNT_SHIFT 32
  33#define EV5_PCTR_2_COUNT_SHIFT 16
  34
  35#define EV5_PCTR_0_COUNT_MASK 0xffffUL
  36#define EV5_PCTR_1_COUNT_MASK 0xffffUL
  37#define EV5_PCTR_2_COUNT_MASK 0x3fffUL
  38
  39/* EV6 Counters */
  40#define EV6_PCTR_0 (1UL<<0)
  41#define EV6_PCTR_1 (1UL<<1)
  42
  43#define EV6_PCTR_0_COUNT_SHIFT 28
  44#define EV6_PCTR_1_COUNT_SHIFT 6
  45
  46#define EV6_PCTR_0_COUNT_MASK 0xfffffUL
  47#define EV6_PCTR_1_COUNT_MASK 0xfffffUL
  48
  49/* EV67 (and subsequent) counters */
  50#define EV67_PCTR_0 (1UL<<0)
  51#define EV67_PCTR_1 (1UL<<1)
  52
  53#define EV67_PCTR_0_COUNT_SHIFT 28
  54#define EV67_PCTR_1_COUNT_SHIFT 6
  55
  56#define EV67_PCTR_0_COUNT_MASK 0xfffffUL
  57#define EV67_PCTR_1_COUNT_MASK 0xfffffUL
  58
  59
  60/*
  61 * The Alpha Architecure Handbook, vers. 4 (1998) appears to have a misprint
  62 *  in Table E-23 regarding the bits that set the event PCTR 1 counts.
  63 *  Hopefully what we have here is correct.
  64 */
  65#define EV6_PCTR_0_EVENT_MASK 0x10UL
  66#define EV6_PCTR_1_EVENT_MASK 0x0fUL
  67
  68/* EV6 Events */
  69#define EV6_PCTR_0_CYCLES (0UL << 4)
  70#define EV6_PCTR_0_INSTRUCTIONS (1UL << 4)
  71
  72#define EV6_PCTR_1_CYCLES 0
  73#define EV6_PCTR_1_BRANCHES 1
  74#define EV6_PCTR_1_BRANCH_MISPREDICTS 2
  75#define EV6_PCTR_1_DTB_SINGLE_MISSES 3
  76#define EV6_PCTR_1_DTB_DOUBLE_MISSES 4
  77#define EV6_PCTR_1_ITB_MISSES 5
  78#define EV6_PCTR_1_UNALIGNED_TRAPS 6
  79#define EV6_PCTR_1_REPLY_TRAPS 7
  80
  81/* From the Alpha Architecture Reference Manual, 4th edn., 2002 */
  82#define EV67_PCTR_MODE_MASK 0x10UL
  83#define EV67_PCTR_EVENT_MASK 0x0CUL
  84
  85#define EV67_PCTR_MODE_PROFILEME (1UL<<4)
  86#define EV67_PCTR_MODE_AGGREGATE (0UL<<4)
  87
  88#define EV67_PCTR_INSTR_CYCLES (0UL<<2)
  89#define EV67_PCTR_CYCLES_UNDEF (1UL<<2)
  90#define EV67_PCTR_INSTR_BCACHEMISS (2UL<<2)
  91#define EV67_PCTR_CYCLES_MBOX (3UL<<2)
  92
  93#endif
  94