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