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This was achieved by partially undoing changelist 24817, including an accidental corruption of eventgen.pl. Copied from Perforce Change: 24877 ServerID: perforce.ravenbrook.com
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
/* impl.h.meter: METER INTERFACE
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*
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* $Id$
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* $HopeName: MMsrc!meter.h(trunk.7) $
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* Copyright (c) 2001 Ravenbrook Limited.
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*
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* .sources: mps.design.metrics.
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*
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* .purpose: Defines an interface for creating "meters" that accumulate
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* the number, total and mean^2 of a set of data points. These
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* accumulators can be used to report on the number, total, average, and
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* variance of the data set.
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*/
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#ifndef meter_h
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#define meter_h
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#include "mpmtypes.h"
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#include "config.h"
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#include "misc.h"
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#include "mpslib.h"
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typedef struct MeterStruct *Meter;
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typedef struct MeterStruct
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{
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char *name;
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Count count;
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double total;
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double meanSquared;
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Size min;
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Size max;
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} MeterStruct;
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extern void MeterInit(Meter meter, char* name, void *owner);
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extern void MeterAccumulate(Meter meter, Size amount);
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extern Res MeterWrite(Meter meter, mps_lib_FILE *stream);
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extern void MeterEmit(Meter meter);
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#define METER_DECL(meter) STATISTIC_DECL(struct MeterStruct meter)
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#define METER_INIT(meter, init, owner) \
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BEGIN STATISTIC(MeterInit(&(meter), init, owner)); UNUSED(owner); END
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/* Hack: owner is typically only used for MeterInit */
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#define METER_ACC(meter, delta) \
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STATISTIC(MeterAccumulate(&(meter), delta))
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#if defined(DIAGNOSTICS)
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#define METER_WRITE(meter, stream) MeterWrite(&(meter), stream)
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#elif defined(DIAGNOSTICS_NONE)
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#define METER_WRITE(meter, stream) (ResOK)
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#else
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#error "Diagnostics not configured."
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#endif
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#define METER_EMIT(meter) STATISTIC(MeterEmit(meter))
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#endif /* meter_h */
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