linux/arch/alpha/include/asm/wrperfmon.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Definitions for use with the Alpha wrperfmon PAL call.
   4 */
   5
   6#ifndef __ALPHA_WRPERFMON_H
   7#define __ALPHA_WRPERFMON_H
   8
   9/* Following commands are implemented on all CPUs */
  10#define PERFMON_CMD_DISABLE 0
  11#define PERFMON_CMD_ENABLE 1
  12#define PERFMON_CMD_DESIRED_EVENTS 2
  13#define PERFMON_CMD_LOGGING_OPTIONS 3
  14/* Following commands on EV5/EV56/PCA56 only */
  15#define PERFMON_CMD_INT_FREQ 4
  16#define PERFMON_CMD_ENABLE_CLEAR 7
  17/* Following commands are on EV5 and better CPUs */
  18#define PERFMON_CMD_READ 5
  19#define PERFMON_CMD_WRITE 6
  20/* Following command are on EV6 and better CPUs */
  21#define PERFMON_CMD_ENABLE_WRITE 7
  22/* Following command are on EV67 and better CPUs */
  23#define PERFMON_CMD_I_STAT 8
  24#define PERFMON_CMD_PMPC 9
  25
  26
  27/* EV5/EV56/PCA56 Counters */
  28#define EV5_PCTR_0 (1UL<<0)
  29#define EV5_PCTR_1 (1UL<<1)
  30#define EV5_PCTR_2 (1UL<<2)
  31
  32#define EV5_PCTR_0_COUNT_SHIFT 48
  33#define EV5_PCTR_1_COUNT_SHIFT 32
  34#define EV5_PCTR_2_COUNT_SHIFT 16
  35
  36#define EV5_PCTR_0_COUNT_MASK 0xffffUL
  37#define EV5_PCTR_1_COUNT_MASK 0xffffUL
  38#define EV5_PCTR_2_COUNT_MASK 0x3fffUL
  39
  40/* EV6 Counters */
  41#define EV6_PCTR_0 (1UL<<0)
  42#define EV6_PCTR_1 (1UL<<1)
  43
  44#define EV6_PCTR_0_COUNT_SHIFT 28
  45#define EV6_PCTR_1_COUNT_SHIFT 6
  46
  47#define EV6_PCTR_0_COUNT_MASK 0xfffffUL
  48#define EV6_PCTR_1_COUNT_MASK 0xfffffUL
  49
  50/* EV67 (and subsequent) counters */
  51#define EV67_PCTR_0 (1UL<<0)
  52#define EV67_PCTR_1 (1UL<<1)
  53
  54#define EV67_PCTR_0_COUNT_SHIFT 28
  55#define EV67_PCTR_1_COUNT_SHIFT 6
  56
  57#define EV67_PCTR_0_COUNT_MASK 0xfffffUL
  58#define EV67_PCTR_1_COUNT_MASK 0xfffffUL
  59
  60
  61/*
  62 * The Alpha Architecure Handbook, vers. 4 (1998) appears to have a misprint
  63 *  in Table E-23 regarding the bits that set the event PCTR 1 counts.
  64 *  Hopefully what we have here is correct.
  65 */
  66#define EV6_PCTR_0_EVENT_MASK 0x10UL
  67#define EV6_PCTR_1_EVENT_MASK 0x0fUL
  68
  69/* EV6 Events */
  70#define EV6_PCTR_0_CYCLES (0UL << 4)
  71#define EV6_PCTR_0_INSTRUCTIONS (1UL << 4)
  72
  73#define EV6_PCTR_1_CYCLES 0
  74#define EV6_PCTR_1_BRANCHES 1
  75#define EV6_PCTR_1_BRANCH_MISPREDICTS 2
  76#define EV6_PCTR_1_DTB_SINGLE_MISSES 3
  77#define EV6_PCTR_1_DTB_DOUBLE_MISSES 4
  78#define EV6_PCTR_1_ITB_MISSES 5
  79#define EV6_PCTR_1_UNALIGNED_TRAPS 6
  80#define EV6_PCTR_1_REPLY_TRAPS 7
  81
  82/* From the Alpha Architecture Reference Manual, 4th edn., 2002 */
  83#define EV67_PCTR_MODE_MASK 0x10UL
  84#define EV67_PCTR_EVENT_MASK 0x0CUL
  85
  86#define EV67_PCTR_MODE_PROFILEME (1UL<<4)
  87#define EV67_PCTR_MODE_AGGREGATE (0UL<<4)
  88
  89#define EV67_PCTR_INSTR_CYCLES (0UL<<2)
  90#define EV67_PCTR_CYCLES_UNDEF (1UL<<2)
  91#define EV67_PCTR_INSTR_BCACHEMISS (2UL<<2)
  92#define EV67_PCTR_CYCLES_MBOX (3UL<<2)
  93
  94#endif
  95