pmc.h
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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);
- void *btmalloc(unsigned long size);
- void btfree(void *addr);
- #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 PMC_CONTROL_CPI 1
- #define PMC_CONTROL_TLB 2
- /* To find an entry in the bolted page-table-directory */
- #define pgd_offset_b(address) (bolted_pgd + pgd_index(address))
- #define BTMALLOC_START 0xB000000000000000
- #define BTMALLOC_END 0xB0000000ffffffff /* 4 GB Max-more or less arbitrary */
- #endif /* _PMC_H */