pfmlib_itanium_priv.h

Go to the documentation of this file.

/*
 * Copyright (c) 2001-2006 Hewlett-Packard Development Company, L.P.
 * Contributed by Stephane Eranian <eranian@hpl.hp.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
 * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * This file is part of libpfm, a performance monitoring support library for
 * applications on Linux/ia64.
 */
#ifndef __PFMLIB_ITANIUM_PRIV_H__
#define __PFMLIB_ITANIUM_PRIV_H__
 
/*
 * Itanium encoding structure
 * (code must be first 8 bits)
 */
typedef struct {
    unsigned long pme_code:8;   /* major event code */
    unsigned long pme_ear:1;    /* is EAR event */
    unsigned long pme_dear:1;   /* 1=Data 0=Instr */
    unsigned long pme_tlb:1;    /* 1=TLB 0=Cache */
    unsigned long pme_btb:1;    /* 1=BTB */
    unsigned long pme_ig1:4;    /* ignored */
    unsigned long pme_umask:16; /* unit mask*/
    unsigned long pme_ig:32;    /* ignored */
} pme_ita_entry_code_t;     
 
#define PME_UMASK_NONE  0x0
 
typedef union {
    unsigned long        pme_vcode;
    pme_ita_entry_code_t pme_ita_code;  /* must not be larger than vcode */
} pme_ita_code_t;
 
typedef union {
    unsigned long qual;     /* generic qualifier */
    struct {
        unsigned long pme_iar:1;    /* instruction address range supported */
        unsigned long pme_opm:1;    /* opcode match supported */
        unsigned long pme_dar:1;    /* data address range supported */
        unsigned long pme_reserved:61;  /* not used */
    } pme_qual;
} pme_ita_qualifiers_t;
 
typedef struct {
    char            *pme_name;
    pme_ita_code_t      pme_entry_code;
    unsigned long       pme_counters;       /* supported counters */
    unsigned int        pme_maxincr;
    pme_ita_qualifiers_t    pme_qualifiers;
    char            *pme_desc;
} pme_ita_entry_t;
 
/*
 * We embed the umask value into the event code. Because it really is
 * like a subevent.
 * pme_code:
 *  - lower 16 bits: major event code
 *  - upper 16 bits: unit mask
 */
#define pme_code    pme_entry_code.pme_ita_code.pme_code
#define pme_ear     pme_entry_code.pme_ita_code.pme_ear
#define pme_dear    pme_entry_code.pme_ita_code.pme_dear
#define pme_tlb     pme_entry_code.pme_ita_code.pme_tlb
#define pme_btb     pme_entry_code.pme_ita_code.pme_btb
#define pme_umask   pme_entry_code.pme_ita_code.pme_umask
#define pme_used    pme_qualifiers.pme_qual_struct.pme_used
 
#define event_is_ear(e)     ((e)->pme_ear == 1)
#define event_is_iear(e)    ((e)->pme_ear == 1 && (e)->pme_dear==0)
#define event_is_dear(e)    ((e)->pme_ear == 1 && (e)->pme_dear==1)
#define event_is_tlb_ear(e) ((e)->pme_ear == 1 && (e)->pme_tlb==1)
#define event_is_btb(e)     ((e)->pme_btb)
 
#define event_opcm_ok(e) ((e)->pme_qualifiers.pme_qual.pme_opm==1)
#define event_iarr_ok(e) ((e)->pme_qualifiers.pme_qual.pme_iar==1)
#define event_darr_ok(e) ((e)->pme_qualifiers.pme_qual.pme_dar==1)
 
#endif /* __PFMLIB_ITANIUM_PRIV_H__ */