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105 lines
2.9 KiB
C++
105 lines
2.9 KiB
C++
#ifndef _GRID_STAT_H
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#define _GRID_STAT_H
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#ifdef AVX512
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#define _KNIGHTS_LANDING_
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#endif
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namespace Grid {
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///////////////////////////////////////////////////////////////////////////////
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// Extra KNL counters from MCDRAM
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///////////////////////////////////////////////////////////////////////////////
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#ifdef _KNIGHTS_LANDING_
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#define NMC 6
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#define NEDC 8
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struct ctrs
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{
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uint64_t mcrd[NMC];
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uint64_t mcwr[NMC];
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uint64_t edcrd[NEDC];
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uint64_t edcwr[NEDC];
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uint64_t edchite[NEDC];
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uint64_t edchitm[NEDC];
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uint64_t edcmisse[NEDC];
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uint64_t edcmissm[NEDC];
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};
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// Peter/Azusa:
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// Our modification of a code provided by Larry Meadows from Intel
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// Verified by email exchange non-NDA, ok for github. Should be as uses /sys/devices/ FS
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// so is already public and in the linux kernel for KNL.
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struct knl_gbl_
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{
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int mc_rd[NMC];
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int mc_wr[NMC];
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int edc_rd[NEDC];
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int edc_wr[NEDC];
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int edc_hite[NEDC];
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int edc_hitm[NEDC];
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int edc_misse[NEDC];
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int edc_missm[NEDC];
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};
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#endif
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///////////////////////////////////////////////////////////////////////////////
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class PmuStat
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{
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uint64_t counters[8][256];
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#ifdef _KNIGHTS_LANDING_
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static struct knl_gbl_ gbl;
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#endif
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const char *name;
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uint64_t reads; // memory reads
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uint64_t writes; // memory writes
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uint64_t mrstart; // memory read counter at start of parallel region
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uint64_t mrend; // memory read counter at end of parallel region
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uint64_t mwstart; // memory write counter at start of parallel region
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uint64_t mwend; // memory write counter at end of parallel region
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// cumulative counters
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uint64_t count; // number of invocations
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uint64_t tregion; // total time in parallel region (from thread 0)
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uint64_t tcycles; // total cycles inside parallel region
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uint64_t inst, ref, cyc; // fixed counters
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uint64_t pmc0, pmc1;// pmu
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// add memory counters here
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// temp variables
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uint64_t tstart; // tsc at start of parallel region
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uint64_t tend; // tsc at end of parallel region
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// map for ctrs values
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// 0 pmc0 start
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// 1 pmc0 end
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// 2 pmc1 start
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// 3 pmc1 end
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// 4 tsc start
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// 5 tsc end
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static bool pmu_initialized;
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public:
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static bool is_init(void){ return pmu_initialized;}
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static void pmu_init(void);
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static void pmu_fini(void);
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static void pmu_start(void);
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static void pmu_stop(void);
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void accum(int nthreads);
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static void xmemctrs(uint64_t *mr, uint64_t *mw);
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void start(void);
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void enter(int t);
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void exit(int t);
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void print(void);
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void init(const char *regname);
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void clear(void);
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#ifdef _KNIGHTS_LANDING_
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static void KNLsetup(void);
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static uint64_t KNLreadctr(int fd);
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static void KNLreadctrs(ctrs &c);
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static void KNLevsetup(const char *ename, int &fd, int event, int umask);
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#endif
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};
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}
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#endif
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