67 lines
1.2 KiB
C
67 lines
1.2 KiB
C
/* Copyright (C) Charles Forsyth
|
|
* See /doc/license/NOTICE.Plan9-9k.txt for details about the licensing.
|
|
*/
|
|
/* Portions of this file are Copyright (C) 9front's team.
|
|
* See /doc/license/9front-mit for details about the licensing.
|
|
* See http://git.9front.org/plan9front/plan9front/HEAD/info.html for a list of authors.
|
|
*/
|
|
typedef struct PmcCtl PmcCtl;
|
|
typedef struct PmcCtr PmcCtr;
|
|
typedef struct PmcCtlCtrId PmcCtlCtrId;
|
|
|
|
/*
|
|
* HW performance counters
|
|
*/
|
|
struct PmcCtl {
|
|
uint32_t coreno;
|
|
int enab;
|
|
int user;
|
|
int os;
|
|
int nodesc;
|
|
char descstr[KNAMELEN];
|
|
};
|
|
|
|
struct PmcCtr{
|
|
int stale;
|
|
Rendez r;
|
|
uint64_t ctr;
|
|
int ctrset;
|
|
PmcCtl;
|
|
int ctlset;
|
|
};
|
|
|
|
enum {
|
|
PmcMaxCtrs = 4,
|
|
};
|
|
|
|
struct PmcCore{
|
|
Lock;
|
|
PmcCtr ctr[PmcMaxCtrs];
|
|
};
|
|
|
|
struct PmcCtlCtrId {
|
|
char portdesc[KNAMELEN];
|
|
char archdesc[KNAMELEN];
|
|
};
|
|
|
|
enum {
|
|
PmcIgn = 0,
|
|
PmcGet = 1,
|
|
PmcSet = 2,
|
|
};
|
|
|
|
enum {
|
|
PmcCtlNullval = 0xdead,
|
|
};
|
|
|
|
extern int pmcnregs(void);
|
|
extern void pmcinitctl(PmcCtl*);
|
|
extern int pmcsetctl(uint32_t, PmcCtl*, uint32_t);
|
|
extern int pmctrans(PmcCtl*);
|
|
extern int pmcgetctl(uint32_t, PmcCtl*, uint32_t);
|
|
extern int pmcdescstr(char*, int);
|
|
extern uint64_t pmcgetctr(uint32_t, uint32_t);
|
|
extern int pmcsetctr(uint32_t, uint64_t, uint32_t);
|
|
|
|
extern void pmcconfigure(void);
|