LXR linux-old/include/asm-ppc64/pmc.h

   1/* 
   2 * pmc.h
   3 * Copyright (C) 2001  Dave Engebretsen & Mike Corrigan IBM Corporation.
   4 *
   5 * The PPC64 PMC subsystem encompases both the hardware PMC registers and 
   6 * a set of software event counters.  An interface is provided via the
   7 * proc filesystem which can be used to access this subsystem.
   8 *
   9 * This program is free software; you can redistribute it and/or modify
  10 * it under the terms of the GNU General Public License as published by
  11 * the Free Software Foundation; either version 2 of the License, or
  12 * (at your option) any later version.
  13 * 
  14 * This program is distributed in the hope that it will be useful,
  15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 * GNU General Public License for more details.
  18 * 
  19 * You should have received a copy of the GNU General Public License
  20 * along with this program; if not, write to the Free Software
  21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  22 */
  23
  24/* Start Change Log
  25 * 2001/06/05 : engebret : Created.
  26 * End Change Log 
  27 */
  28
  29#ifndef _PPC64_TYPES_H
  30#include        <asm/types.h>
  31#endif
  32
  33#ifndef _PMC_H
  34#define _PMC_H
  35
  36#define STAB_ENTRY_MAX 64
  37
  38struct _pmc_hw
  39{
  40        u64 mmcr0; 
  41        u64 mmcr1; 
  42        u64 mmcra; 
  43
  44        u64 pmc1; 
  45        u64 pmc2; 
  46        u64 pmc3; 
  47        u64 pmc4; 
  48        u64 pmc5; 
  49        u64 pmc6; 
  50        u64 pmc7; 
  51        u64 pmc8; 
  52};
  53
  54struct _pmc_sw
  55{
  56        u64 stab_faults;           /* Count of faults on the stab      */
  57        u64 stab_capacity_castouts;/* Count of castouts from the stab  */
  58        u64 stab_invalidations;    /* Count of invalidations from the  */
  59                                   /*   stab, not including castouts   */
  60        u64 stab_entry_use[STAB_ENTRY_MAX]; 
  61
  62        u64 htab_primary_overflows;
  63        u64 htab_capacity_castouts;
  64        u64 htab_read_to_write_fault;
  65};
  66
  67#define PMC_HW_TEXT_ENTRY_COUNT (sizeof(struct _pmc_hw) / sizeof(u64))
  68#define PMC_SW_TEXT_ENTRY_COUNT (sizeof(struct _pmc_sw) / sizeof(u64))
  69#define PMC_TEXT_ENTRY_SIZE  64
  70
  71struct _pmc_sw_text {
  72        char buffer[PMC_SW_TEXT_ENTRY_COUNT * PMC_TEXT_ENTRY_SIZE];
  73};
  74
  75struct _pmc_hw_text {
  76        char buffer[PMC_HW_TEXT_ENTRY_COUNT * PMC_TEXT_ENTRY_SIZE];
  77};
  78
  79extern struct _pmc_sw pmc_sw_system;
  80extern struct _pmc_sw pmc_sw_cpu[];
  81
  82extern struct _pmc_sw_text pmc_sw_text;
  83extern struct _pmc_hw_text pmc_hw_text;
  84extern char *ppc64_pmc_stab(int file);
  85extern char *ppc64_pmc_htab(int file);
  86extern char *ppc64_pmc_hw(int file);
  87
  88void *btmalloc(unsigned long size);
  89void btfree(void *addr);
  90
  91#if 1
  92#define PMC_SW_PROCESSOR(F)      pmc_sw_cpu[smp_processor_id()].F++
  93#define PMC_SW_PROCESSOR_A(F, E) (pmc_sw_cpu[smp_processor_id()].F[(E)])++
  94#define PMC_SW_SYSTEM(F)         pmc_sw_system.F++
  95#else
  96#define PMC_SW_PROCESSOR(F)   do {;} while (0)
  97#define PMC_SW_PROCESSOR_A(F) do {;} while (0)
  98#define PMC_SW_SYSTEM(F)      do {;} while (0)
  99#endif
 100
 101#define PMC_CONTROL_CPI 1
 102#define PMC_CONTROL_TLB 2
 103
 104/* To find an entry in the bolted page-table-directory */
 105#define pgd_offset_b(address) (bolted_pgd + pgd_index(address))
 106#define BTMALLOC_START 0xB000000000000000
 107#define BTMALLOC_END   0xB0000000ffffffff /* 4 GB Max-more or less arbitrary */
 108
 109#endif /* _PMC_H */
 110