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/*
* pmc.h
* Copyright (C) 2001 Dave Engebretsen & Mike Corrigan IBM Corporation.
*
* The PPC64 PMC subsystem encompases both the hardware PMC registers and
* a set of software event counters. An interface is provided via the
* proc filesystem which can be used to access this subsystem.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* Start Change Log
* 2001/06/05 : engebret : Created.
* End Change Log
*/
#ifndef _PPC64_TYPES_H
#include <asm/types.h>
#endif
#ifndef _PMC_H
#define _PMC_H
#define STAB_ENTRY_MAX 64
struct _pmc_hw
{
u64 mmcr0;
u64 mmcr1;
u64 mmcra;
u64 pmc1;
u64 pmc2;
u64 pmc3;
u64 pmc4;
u64 pmc5;
u64 pmc6;
u64 pmc7;
u64 pmc8;
};
struct _pmc_sw
{
u64 stab_faults; /* Count of faults on the stab */
u64 stab_capacity_castouts;/* Count of castouts from the stab */
u64 stab_invalidations; /* Count of invalidations from the */
/* stab, not including castouts */
u64 stab_entry_use[STAB_ENTRY_MAX];
u64 htab_primary_overflows;
u64 htab_capacity_castouts;
u64 htab_read_to_write_fault;
};
#define PMC_HW_TEXT_ENTRY_COUNT (sizeof(struct _pmc_hw) / sizeof(u64))
#define PMC_SW_TEXT_ENTRY_COUNT (sizeof(struct _pmc_sw) / sizeof(u64))
#define PMC_TEXT_ENTRY_SIZE 64
struct _pmc_sw_text {
char buffer[PMC_SW_TEXT_ENTRY_COUNT * PMC_TEXT_ENTRY_SIZE];
};
struct _pmc_hw_text {
char buffer[PMC_HW_TEXT_ENTRY_COUNT * PMC_TEXT_ENTRY_SIZE];
};
extern struct _pmc_sw pmc_sw_system;
extern struct _pmc_sw pmc_sw_cpu[];
extern struct _pmc_sw_text pmc_sw_text;
extern struct _pmc_hw_text pmc_hw_text;
extern char *ppc64_pmc_stab(int file);
extern char *ppc64_pmc_htab(int file);
extern char *ppc64_pmc_hw(int file);
#if 1
#define PMC_SW_PROCESSOR(F) pmc_sw_cpu[smp_processor_id()].F++
#define PMC_SW_PROCESSOR_A(F, E) (pmc_sw_cpu[smp_processor_id()].F[(E)])++
#define PMC_SW_SYSTEM(F) pmc_sw_system.F++
#else
#define PMC_SW_PROCESSOR(F) do {;} while (0)
#define PMC_SW_PROCESSOR_A(F) do {;} while (0)
#define PMC_SW_SYSTEM(F) do {;} while (0)
#endif
#define MMCR0 795
#define MMCR1 798
#define MMCRA 786
#define PMC1 787
#define PMC2 788
#define PMC3 789
#define PMC4 790
#define PMC5 791
#define PMC6 792
#define PMC7 793
#define PMC8 794
#define PMC_CONTROL_CPI 1
#define PMC_CONTROL_TLB 2
#endif /* _PMC_H */
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