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104 lines
3.5 KiB
C
104 lines
3.5 KiB
C
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/************************************************************
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Created: Thursday, September 7, 1989 at 9:15 PM
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Perf.h
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C Interface to the Macintosh Libraries
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Copyright Apple Computer, Inc. 1986-1991
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All rights reserved
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This file is used in these builds: ROM System
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Change History (most recent first):
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<3> 8/8/91 JL Update copyright
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To Do:
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DESCRIPTION
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Provides for PC-sampling of User code resources, ROM code, and RAM (misses).
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Produces output text file suitable for input to PerformReport.
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Design objectives:
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Language independent, i.e. works with Pascal, C, and Assembly.
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Covers user resources as well as ROM code.
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Memory model independent, i.e. works for Desk Accessories and drivers.
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Uses TimeManager on new ROMs, Vertical Blanking interrupt on 64 K ROMs.
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************************************************************/
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#ifndef __PERF__
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#define __PERF__
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#ifndef __TYPES__
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#include <Types.h>
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#endif
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struct TPerfGlobals {
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long startROM; /*ROM Base*/
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long romHits; /*used if MeasureROM is false*/
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long misses; /*count of PC values outside measured memory*/
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long (*segArray)[1]; /*array of segment handles*/
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long (*sizeArray)[1]; /*array of segment sizes*/
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short (**idArray)[1]; /*array of segment rsrc IDs*/
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long (*baseArray)[1]; /*array of offsets to counters for each segment*/
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long (*samples)[1]; /*samples buffer*/
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long buffSize; /*size of samples buffer in bytes*/
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short timeInterval; /*number of clock intervals between interrupts*/
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short bucketSize; /*size of buckets power of 2*/
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short log2buckSize; /*used in CvtPC*/
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short pcOffset; /*offset to the user PC at interrupt time.*/
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short numMeasure; /*# Code segments (w/o jump table)- ROM etc.*/
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short firstCode; /*index of first Code segment*/
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Boolean takingSamples; /*true if sampling is enabled.*/
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Boolean measureROM;
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Boolean measureCode;
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short ramSeg; /*index of "segment" record to cover RAM > 0 if RAM (misses) are to be bucketed.*/
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long ramBase; /*beginning of RAM being measured.*/
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short measureRAMbucketSize;
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short measureRAMlog2buckSize;
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short romVersion;
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short vRefNum; /*Volume where the report file is to be created*/
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Boolean volumeSelected; /*True if user selects the report file name*/
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Str255 rptFileName; /*Report file name*/
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Str255 rptFileCreator; /*Report File Creator*/
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Str255 rptFileType; /*Report File type*/
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ResType getResType; /*Resource type*/
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};
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typedef struct TPerfGlobals TPerfGlobals;
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typedef TPerfGlobals *TP2PerfGlobals;
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/* PerfGlobals are declared as a record, so main program can allocate
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as globals, desk accessory can add to globals allocated via pointer,
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print driver can allocate via low memory, etc. */
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#ifdef __cplusplus
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extern "C" {
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#endif
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pascal Boolean InitPerf(TP2PerfGlobals *thePerfGlobals,short timerCount,
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short codeAndROMBucketSize,Boolean doROM,Boolean doAppCode,const Str255 appCodeType,
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short romID,const Str255 romName,Boolean doRAM,long ramLow,long ramHigh,
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short ramBucketSize); /* called once to setup Performance monitoring
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*/
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pascal void TermPerf(TP2PerfGlobals thePerfGlobals); /* if InitPerf succeeds then TermPerf must be called before terminating program.
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*/
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pascal Boolean PerfControl(TP2PerfGlobals thePerfGlobals,Boolean turnOn);
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/*
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Call this to turn off/on measuring.
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Returns previous state.
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*/
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pascal short PerfDump(TP2PerfGlobals thePerfGlobals,const Str255 reportFile,
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Boolean doHistogram,short rptFileColumns); /* Call this to dump the statistics into a file. */
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#ifdef __cplusplus
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}
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#endif
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#endif
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