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847 lines
26 KiB
C
847 lines
26 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <ctype.h>
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#include <errno.h>
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#include <math.h>
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#include "nspr.h"
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#include "tmreader.h"
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#define ERROR_REPORT(num, val, msg) fprintf(stderr, "error(%d):\t\"%s\"\t%s\n", (num), (val), (msg));
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#define CLEANUP(ptr) do { if(NULL != ptr) { free(ptr); ptr = NULL; } } while(0)
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#define COST_RESOLUTION 1000
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#define COST_PRINTABLE(cost) ((PRFloat64)(cost) / (PRFloat64)COST_RESOLUTION)
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typedef struct __struct_Options
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/*
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** Options to control how we perform.
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**
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** mProgramName Used in help text.
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** mInputName Name of the file.
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** mOutput Output file, append.
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** Default is stdout.
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** mOutputName Name of the file.
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** mHelp Whether or not help should be shown.
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** mOverhead How much overhead an allocation will have.
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** mAlignment What boundry will the end of an allocation line up on.
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** mAverages Whether or not to display averages.
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** mDeviances Whether or not to display standard deviations.
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** mRunLength Whether or not to display run length.
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*/
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{
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const char* mProgramName;
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char* mInputName;
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FILE* mOutput;
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char* mOutputName;
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int mHelp;
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unsigned mOverhead;
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unsigned mAlignment;
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int mAverages;
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int mDeviances;
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int mRunLength;
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}
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Options;
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typedef struct __struct_Switch
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/*
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** Command line options.
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*/
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{
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const char* mLongName;
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const char* mShortName;
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int mHasValue;
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const char* mValue;
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const char* mDescription;
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}
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Switch;
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#define DESC_NEWLINE "\n\t\t"
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static Switch gInputSwitch = {"--input", "-i", 1, NULL, "Specify input file." DESC_NEWLINE "stdin is default."};
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static Switch gOutputSwitch = {"--output", "-o", 1, NULL, "Specify output file." DESC_NEWLINE "Appends if file exists." DESC_NEWLINE "stdout is default."};
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static Switch gHelpSwitch = {"--help", "-h", 0, NULL, "Information on usage."};
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static Switch gAlignmentSwitch = {"--alignment", "-al", 1, NULL, "All allocation sizes are made to be a multiple of this number." DESC_NEWLINE "Closer to actual heap conditions; set to 1 for true sizes." DESC_NEWLINE "Default value is 16."};
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static Switch gOverheadSwitch = {"--overhead", "-ov", 1, NULL, "After alignment, all allocations are made to increase by this number." DESC_NEWLINE "Closer to actual heap conditions; set to 0 for true sizes." DESC_NEWLINE "Default value is 8."};
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static Switch gAveragesSwitch = {"--averages", "-avg", 0, NULL, "Display averages."};
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static Switch gDeviationsSwitch = {"--deviations", "-dev", 0, NULL, "Display standard deviations from the average." DESC_NEWLINE "Implies --averages."};
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static Switch gRunLengthSwitch = {"--run-length", "-rl", 0, NULL, "Display the run length in seconds."};
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static Switch* gSwitches[] = {
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&gInputSwitch,
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&gOutputSwitch,
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&gAlignmentSwitch,
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&gOverheadSwitch,
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&gAveragesSwitch,
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&gDeviationsSwitch,
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&gRunLengthSwitch,
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&gHelpSwitch
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};
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typedef struct _struct_VarianceState
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/*
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** State for a single pass variance calculation.
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*/
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{
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unsigned mCount;
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PRUint64 mSum;
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PRUint64 mSquaredSum;
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}
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VarianceState;
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typedef struct __struct_TMStats
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/*
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** Stats we are trying to calculate.
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**
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** mOptions Obilgatory options pointer.
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** uMemoryInUse Current tally of memory in use.
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** uPeakMemory Heap topped out at this byte level.
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** uObjectsInUse Different allocations outstanding.
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** uPeakObjects Highest object count.
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** uMallocs Number of malloc calls.
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** uCallocs Number of calloc calls.
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** uReallocs Number of realloc calls.
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** uFrees Number of free calls.
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** uMallocSize Bytes from malloc.
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** uCallocSize Bytes from calloc.
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** uReallocSize Bytes from realloc.
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** uFreeSize Bytes from free.
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** mMallocSizeVar Variance of bytes.
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** mCallocSizeVar Variance of bytes.
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** mReallocSizeVar Variance of bytes.
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** mFreeSizeVar Variance of bytes.
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** uMallocCost Time of mallocs.
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** uCallocCost Time of callocs.
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** uReallocCost Time of reallocs.
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** uFreeCost Time of frees.
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** mMallocCostVar Variance of cost.
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** mCallocCostVar Variance of cost.
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** mReallocCostVar Variance of cost.
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** mFreeCostVar Variance of cost.
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** uMinTicks Start of run.
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** uMaxTicks End of run.
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*/
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{
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Options* mOptions;
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unsigned uMemoryInUse;
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unsigned uPeakMemory;
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unsigned uObjectsInUse;
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unsigned uPeakObjects;
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unsigned uMallocs;
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unsigned uCallocs;
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unsigned uReallocs;
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unsigned uFrees;
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unsigned uMallocSize;
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unsigned uCallocSize;
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unsigned uReallocSize;
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unsigned uFreeSize;
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VarianceState mMallocSizeVar;
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VarianceState mCallocSizeVar;
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VarianceState mReallocSizeVar;
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VarianceState mFreeSizeVar;
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unsigned uMallocCost;
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unsigned uCallocCost;
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unsigned uReallocCost;
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unsigned uFreeCost;
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VarianceState mMallocCostVar;
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VarianceState mCallocCostVar;
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VarianceState mReallocCostVar;
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VarianceState mFreeCostVar;
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unsigned uMinTicks;
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unsigned uMaxTicks;
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}
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TMStats;
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int initOptions(Options* outOptions, int inArgc, char** inArgv)
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/*
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** returns int 0 if successful.
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*/
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{
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int retval = 0;
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int loop = 0;
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int switchLoop = 0;
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int match = 0;
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const int switchCount = sizeof(gSwitches) / sizeof(gSwitches[0]);
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Switch* current = NULL;
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/*
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** Set any defaults.
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*/
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memset(outOptions, 0, sizeof(Options));
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outOptions->mProgramName = inArgv[0];
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outOptions->mInputName = strdup("-");
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outOptions->mOutput = stdout;
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outOptions->mOutputName = strdup("stdout");
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outOptions->mAlignment = 16;
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outOptions->mOverhead = 8;
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if(NULL == outOptions->mOutputName || NULL == outOptions->mInputName)
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{
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retval = __LINE__;
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ERROR_REPORT(retval, "stdin/stdout", "Unable to strdup.");
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}
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/*
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** Go through and attempt to do the right thing.
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*/
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for(loop = 1; loop < inArgc && 0 == retval; loop++)
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{
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match = 0;
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current = NULL;
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for(switchLoop = 0; switchLoop < switchCount && 0 == retval; switchLoop++)
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{
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if(0 == strcmp(gSwitches[switchLoop]->mLongName, inArgv[loop]))
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{
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match = __LINE__;
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}
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else if(0 == strcmp(gSwitches[switchLoop]->mShortName, inArgv[loop]))
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{
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match = __LINE__;
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}
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if(match)
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{
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if(gSwitches[switchLoop]->mHasValue)
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{
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/*
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** Attempt to absorb next option to fullfill value.
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*/
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if(loop + 1 < inArgc)
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{
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loop++;
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current = gSwitches[switchLoop];
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current->mValue = inArgv[loop];
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}
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}
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else
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{
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current = gSwitches[switchLoop];
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}
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break;
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}
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}
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if(0 == match)
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{
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outOptions->mHelp = __LINE__;
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retval = __LINE__;
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ERROR_REPORT(retval, inArgv[loop], "Unknown command line switch.");
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}
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else if(NULL == current)
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{
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outOptions->mHelp = __LINE__;
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retval = __LINE__;
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ERROR_REPORT(retval, inArgv[loop], "Command line switch requires a value.");
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}
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else
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{
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/*
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** Do something based on address/swtich.
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*/
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if(current == &gInputSwitch)
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{
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CLEANUP(outOptions->mInputName);
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outOptions->mInputName = strdup(current->mValue);
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if(NULL == outOptions->mInputName)
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{
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retval = __LINE__;
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ERROR_REPORT(retval, current->mValue, "Unable to strdup.");
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}
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}
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else if(current == &gOutputSwitch)
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{
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CLEANUP(outOptions->mOutputName);
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if(NULL != outOptions->mOutput && stdout != outOptions->mOutput)
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{
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fclose(outOptions->mOutput);
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outOptions->mOutput = NULL;
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}
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outOptions->mOutput = fopen(current->mValue, "a");
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if(NULL == outOptions->mOutput)
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{
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retval = __LINE__;
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ERROR_REPORT(retval, current->mValue, "Unable to open output file.");
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}
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else
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{
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outOptions->mOutputName = strdup(current->mValue);
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if(NULL == outOptions->mOutputName)
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{
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retval = __LINE__;
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ERROR_REPORT(retval, current->mValue, "Unable to strdup.");
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}
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}
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}
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else if(current == &gHelpSwitch)
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{
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outOptions->mHelp = __LINE__;
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}
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else if(current == &gAlignmentSwitch)
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{
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unsigned arg = 0;
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char* endScan = NULL;
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errno = 0;
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arg = strtoul(current->mValue, &endScan, 0);
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if(0 == errno && endScan != current->mValue)
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{
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outOptions->mAlignment = arg;
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}
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else
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{
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retval = __LINE__;
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ERROR_REPORT(retval, current->mValue, "Unable to convert to a number.");
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}
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}
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else if(current == &gOverheadSwitch)
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{
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unsigned arg = 0;
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char* endScan = NULL;
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errno = 0;
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arg = strtoul(current->mValue, &endScan, 0);
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if(0 == errno && endScan != current->mValue)
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{
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outOptions->mOverhead = arg;
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}
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else
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{
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retval = __LINE__;
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ERROR_REPORT(retval, current->mValue, "Unable to convert to a number.");
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}
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}
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else if(current == &gAveragesSwitch)
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{
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outOptions->mAverages = __LINE__;
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}
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else if(current == &gDeviationsSwitch)
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{
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outOptions->mAverages = __LINE__;
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outOptions->mDeviances = __LINE__;
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}
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else if(current == &gRunLengthSwitch)
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{
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outOptions->mRunLength = __LINE__;
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}
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else
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{
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retval = __LINE__;
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ERROR_REPORT(retval, current->mLongName, "No handler for command line switch.");
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}
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}
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}
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return retval;
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}
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void cleanOptions(Options* inOptions)
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/*
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** Clean up any open handles.
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*/
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{
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unsigned loop = 0;
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CLEANUP(inOptions->mInputName);
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CLEANUP(inOptions->mOutputName);
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if(NULL != inOptions->mOutput && stdout != inOptions->mOutput)
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{
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fclose(inOptions->mOutput);
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}
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memset(inOptions, 0, sizeof(Options));
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}
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void showHelp(Options* inOptions)
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/*
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** Show some simple help text on usage.
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*/
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{
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int loop = 0;
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const int switchCount = sizeof(gSwitches) / sizeof(gSwitches[0]);
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const char* valueText = NULL;
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printf("usage:\t%s [arguments]\n", inOptions->mProgramName);
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printf("\n");
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printf("arguments:\n");
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for(loop = 0; loop < switchCount; loop++)
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{
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if(gSwitches[loop]->mHasValue)
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{
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valueText = " <value>";
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}
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else
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{
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valueText = "";
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}
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printf("\t%s%s\n", gSwitches[loop]->mLongName, valueText);
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printf("\t %s%s", gSwitches[loop]->mShortName, valueText);
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printf(DESC_NEWLINE "%s\n\n", gSwitches[loop]->mDescription);
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}
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printf("This tool reports simple heap usage and allocation call counts.\n");
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printf("Useful for eyeballing trace-malloc numbers quickly.\n");
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}
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void addVariance(VarianceState* inVariance, unsigned inValue)
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/*
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** Add a value to a variance state.
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*/
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{
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PRUint64 squared;
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PRUint64 bigValue;
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LL_UI2L(bigValue, inValue);
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LL_ADD(inVariance->mSum, inVariance->mSum, bigValue);
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LL_MUL(squared, bigValue, bigValue);
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LL_ADD(inVariance->mSquaredSum, inVariance->mSquaredSum, squared);
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inVariance->mCount++;
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}
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PRFloat64 getAverage(VarianceState* inVariance)
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/*
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** Determine the mean/average based on the given state.
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*/
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{
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PRFloat64 retval = 0.0;
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if(NULL != inVariance && 0 < inVariance->mCount)
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{
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PRFloat64 count;
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PRFloat64 sum;
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PRInt64 isum;
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/*
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** Avoids a compiler error (not impl) under MSVC.
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*/
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isum = inVariance->mSum;
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count = (PRFloat64)inVariance->mCount;
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LL_L2F(sum, isum);
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retval = sum / count;
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}
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return retval;
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}
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PRFloat64 getVariance(VarianceState* inVariance)
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/*
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** Determine the variance based on the given state.
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*/
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{
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PRFloat64 retval = 0.0;
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if(NULL != inVariance && 1 < inVariance->mCount)
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{
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PRFloat64 count;
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PRFloat64 squaredSum;
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PRFloat64 avg;
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PRFloat64 squaredAvg;
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PRInt64 isquaredSum;
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/*
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** Avoids a compiler error (not impl) under MSVC.
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*/
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isquaredSum = inVariance->mSquaredSum;
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count = (PRFloat64)inVariance->mCount;
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LL_L2F(squaredSum, isquaredSum);
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avg = getAverage(inVariance);
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squaredAvg = avg * avg;
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retval = (squaredSum - (count * squaredAvg)) / (count - 1.0);
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}
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return retval;
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}
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PRFloat64 getStdDev(VarianceState* inVariance)
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/*
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** Determine the standard deviation based on the given state.
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*/
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{
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PRFloat64 retval = 0.0;
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PRFloat64 variance;
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variance = getVariance(inVariance);
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retval = sqrt(variance);
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return retval;
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}
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unsigned actualByteSize(Options* inOptions, unsigned retval)
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/*
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** Apply alignment and overhead to size to figure out actual byte size.
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** This by default mimics spacetrace with default options (msvc crt heap).
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*/
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{
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if(0 != retval)
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{
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unsigned eval = 0;
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unsigned over = 0;
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eval = retval - 1;
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if(0 != inOptions->mAlignment)
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{
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over = eval % inOptions->mAlignment;
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}
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retval = eval + inOptions->mOverhead + inOptions->mAlignment - over;
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}
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return retval;
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}
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PRUint32 ticks2xsec(tmreader* aReader, PRUint32 aTicks, PRUint32 aResolution)
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/*
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** Convert platform specific ticks to second units
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** Returns 0 on success.
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*/
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{
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PRUint32 retval = 0;
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PRUint64 bigone;
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PRUint64 tmp64;
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LL_UI2L(bigone, aResolution);
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LL_UI2L(tmp64, aTicks);
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LL_MUL(bigone, bigone, tmp64);
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LL_UI2L(tmp64, aReader->ticksPerSec);
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LL_DIV(bigone, bigone, tmp64);
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LL_L2UI(retval, bigone);
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return retval;
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}
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#define ticks2msec(reader, ticks) ticks2xsec((reader), (ticks), 1000)
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void tmEventHandler(tmreader* inReader, tmevent* inEvent)
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/*
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** Callback from the tmreader_eventloop.
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** Keep it simple in here, this is where we'll spend the most time.
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** The goal is to be fast.
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*/
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{
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TMStats* stats = (TMStats*)inReader->data;
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Options* options = (Options*)stats->mOptions;
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char type = inEvent->type;
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unsigned size = inEvent->u.alloc.size;
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unsigned actualSize = 0;
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unsigned actualOldSize = 0;
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PRUint32 interval = 0;
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|
|
|
/*
|
|
** To match spacetrace stats, reallocs of size zero are frees.
|
|
** Adjust the size to match what free expects.
|
|
*/
|
|
if(TM_EVENT_REALLOC == type && 0 == size)
|
|
{
|
|
type = TM_EVENT_FREE;
|
|
if(0 != inEvent->u.alloc.oldserial)
|
|
{
|
|
size = inEvent->u.alloc.oldsize;
|
|
}
|
|
}
|
|
|
|
/*
|
|
** Adjust the size due to the options.
|
|
*/
|
|
actualSize = actualByteSize(options, size);
|
|
if(TM_EVENT_REALLOC == type && 0 != inEvent->u.alloc.oldserial)
|
|
{
|
|
actualOldSize = actualByteSize(options, inEvent->u.alloc.oldsize);
|
|
}
|
|
|
|
/*
|
|
** Modify event specific data.
|
|
*/
|
|
switch(type)
|
|
{
|
|
case TM_EVENT_MALLOC:
|
|
stats->uMallocs++;
|
|
stats->uMallocSize += actualSize;
|
|
stats->uMallocCost += ticks2msec(inReader, inEvent->u.alloc.cost);
|
|
stats->uMemoryInUse += actualSize;
|
|
stats->uObjectsInUse++;
|
|
|
|
addVariance(&stats->mMallocSizeVar, actualSize);
|
|
addVariance(&stats->mMallocCostVar, inEvent->u.alloc.cost);
|
|
break;
|
|
|
|
case TM_EVENT_CALLOC:
|
|
stats->uCallocs++;
|
|
stats->uCallocSize += actualSize;
|
|
stats->uCallocCost += ticks2msec(inReader, inEvent->u.alloc.cost);
|
|
stats->uMemoryInUse += actualSize;
|
|
stats->uObjectsInUse++;
|
|
|
|
addVariance(&stats->mCallocSizeVar, actualSize);
|
|
addVariance(&stats->mCallocCostVar, inEvent->u.alloc.cost);
|
|
break;
|
|
|
|
case TM_EVENT_REALLOC:
|
|
stats->uReallocs++;
|
|
stats->uReallocSize -= actualOldSize;
|
|
stats->uReallocSize += actualSize;
|
|
stats->uReallocCost += ticks2msec(inReader, inEvent->u.alloc.cost);
|
|
stats->uMemoryInUse -= actualOldSize;
|
|
stats->uMemoryInUse += actualSize;
|
|
if(0 == inEvent->u.alloc.oldserial)
|
|
{
|
|
stats->uObjectsInUse++;
|
|
}
|
|
|
|
if(actualSize > actualOldSize)
|
|
{
|
|
addVariance(&stats->mReallocSizeVar, actualSize - actualOldSize);
|
|
}
|
|
else
|
|
{
|
|
addVariance(&stats->mReallocSizeVar, actualOldSize - actualSize);
|
|
}
|
|
addVariance(&stats->mReallocCostVar, inEvent->u.alloc.cost);
|
|
break;
|
|
|
|
case TM_EVENT_FREE:
|
|
stats->uFrees++;
|
|
stats->uFreeSize += actualSize;
|
|
stats->uFreeCost += ticks2msec(inReader, inEvent->u.alloc.cost);
|
|
stats->uMemoryInUse -= actualSize;
|
|
stats->uObjectsInUse--;
|
|
|
|
addVariance(&stats->mFreeSizeVar, actualSize);
|
|
addVariance(&stats->mFreeCostVar, inEvent->u.alloc.cost);
|
|
break;
|
|
|
|
default:
|
|
/*
|
|
** Don't care.
|
|
*/
|
|
break;
|
|
}
|
|
|
|
switch(type)
|
|
{
|
|
case TM_EVENT_MALLOC:
|
|
case TM_EVENT_CALLOC:
|
|
case TM_EVENT_REALLOC:
|
|
/*
|
|
** Check the peaks.
|
|
*/
|
|
if(stats->uMemoryInUse > stats->uPeakMemory)
|
|
{
|
|
stats->uPeakMemory = stats->uMemoryInUse;
|
|
}
|
|
if(stats->uObjectsInUse > stats->uPeakObjects)
|
|
{
|
|
stats->uPeakObjects = stats->uObjectsInUse;
|
|
}
|
|
|
|
/*
|
|
** Falling through.
|
|
*/
|
|
|
|
case TM_EVENT_FREE:
|
|
/*
|
|
** Check the overall time.
|
|
*/
|
|
interval = ticks2msec(inReader, inEvent->u.alloc.interval);
|
|
if(stats->uMinTicks > interval)
|
|
{
|
|
stats->uMinTicks = interval;
|
|
}
|
|
if(stats->uMaxTicks < interval)
|
|
{
|
|
stats->uMaxTicks = interval;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
/*
|
|
** Don't care.
|
|
*/
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
int report_stats(Options* inOptions, TMStats* inStats)
|
|
{
|
|
int retval = 0;
|
|
|
|
fprintf(inOptions->mOutput, "Peak Memory Usage: %11d\n", inStats->uPeakMemory);
|
|
fprintf(inOptions->mOutput, "Memory Leaked: %11d\n", inStats->uMemoryInUse);
|
|
fprintf(inOptions->mOutput, "\n");
|
|
|
|
fprintf(inOptions->mOutput, "Peak Object Count: %11d\n", inStats->uPeakObjects);
|
|
fprintf(inOptions->mOutput, "Objects Leaked: %11d\n", inStats->uObjectsInUse);
|
|
if(0 != inOptions->mAverages && 0 != inStats->uObjectsInUse)
|
|
{
|
|
fprintf(inOptions->mOutput, "Average Leaked Object Size: %11.4f\n", (PRFloat64)inStats->uMemoryInUse / (PRFloat64)inStats->uObjectsInUse);
|
|
}
|
|
fprintf(inOptions->mOutput, "\n");
|
|
|
|
fprintf(inOptions->mOutput, "Call Total: %11d\n", inStats->uMallocs + inStats->uCallocs + inStats->uReallocs + inStats->uFrees);
|
|
fprintf(inOptions->mOutput, " malloc: %11d\n", inStats->uMallocs);
|
|
fprintf(inOptions->mOutput, " calloc: %11d\n", inStats->uCallocs);
|
|
fprintf(inOptions->mOutput, " realloc: %11d\n", inStats->uReallocs);
|
|
fprintf(inOptions->mOutput, " free: %11d\n", inStats->uFrees);
|
|
fprintf(inOptions->mOutput, "\n");
|
|
|
|
fprintf(inOptions->mOutput, "Byte Total (sans free): %11d\n", inStats->uMallocSize + inStats->uCallocSize + inStats->uReallocSize);
|
|
fprintf(inOptions->mOutput, " malloc: %11d\n", inStats->uMallocSize);
|
|
fprintf(inOptions->mOutput, " calloc: %11d\n", inStats->uCallocSize);
|
|
fprintf(inOptions->mOutput, " realloc: %11d\n", inStats->uReallocSize);
|
|
fprintf(inOptions->mOutput, " free: %11d\n", inStats->uFreeSize);
|
|
if(0 != inOptions->mAverages)
|
|
{
|
|
fprintf(inOptions->mOutput, "Byte Averages:\n");
|
|
fprintf(inOptions->mOutput, " malloc: %11.4f\n", getAverage(&inStats->mMallocSizeVar));
|
|
fprintf(inOptions->mOutput, " calloc: %11.4f\n", getAverage(&inStats->mCallocSizeVar));
|
|
fprintf(inOptions->mOutput, " realloc: %11.4f\n", getAverage(&inStats->mReallocSizeVar));
|
|
fprintf(inOptions->mOutput, " free: %11.4f\n", getAverage(&inStats->mFreeSizeVar));
|
|
}
|
|
if(0 != inOptions->mDeviances)
|
|
{
|
|
fprintf(inOptions->mOutput, "Byte Standard Deviations:\n");
|
|
fprintf(inOptions->mOutput, " malloc: %11.4f\n", getStdDev(&inStats->mMallocSizeVar));
|
|
fprintf(inOptions->mOutput, " calloc: %11.4f\n", getStdDev(&inStats->mCallocSizeVar));
|
|
fprintf(inOptions->mOutput, " realloc: %11.4f\n", getStdDev(&inStats->mReallocSizeVar));
|
|
fprintf(inOptions->mOutput, " free: %11.4f\n", getStdDev(&inStats->mFreeSizeVar));
|
|
}
|
|
fprintf(inOptions->mOutput, "\n");
|
|
|
|
fprintf(inOptions->mOutput, "Overhead Total: %11.4f\n", COST_PRINTABLE(inStats->uMallocCost) + COST_PRINTABLE(inStats->uCallocCost) + COST_PRINTABLE(inStats->uReallocCost) + COST_PRINTABLE(inStats->uFreeCost));
|
|
fprintf(inOptions->mOutput, " malloc: %11.4f\n", COST_PRINTABLE(inStats->uMallocCost));
|
|
fprintf(inOptions->mOutput, " calloc: %11.4f\n", COST_PRINTABLE(inStats->uCallocCost));
|
|
fprintf(inOptions->mOutput, " realloc: %11.4f\n", COST_PRINTABLE(inStats->uReallocCost));
|
|
fprintf(inOptions->mOutput, " free: %11.4f\n", COST_PRINTABLE(inStats->uFreeCost));
|
|
if(0 != inOptions->mAverages)
|
|
{
|
|
fprintf(inOptions->mOutput, "Overhead Averages:\n");
|
|
fprintf(inOptions->mOutput, " malloc: %11.4f\n", COST_PRINTABLE(getAverage(&inStats->mMallocCostVar)));
|
|
fprintf(inOptions->mOutput, " calloc: %11.4f\n", COST_PRINTABLE(getAverage(&inStats->mCallocCostVar)));
|
|
fprintf(inOptions->mOutput, " realloc: %11.4f\n", COST_PRINTABLE(getAverage(&inStats->mReallocCostVar)));
|
|
fprintf(inOptions->mOutput, " free: %11.4f\n", COST_PRINTABLE(getAverage(&inStats->mFreeCostVar)));
|
|
}
|
|
if(0 != inOptions->mDeviances)
|
|
{
|
|
fprintf(inOptions->mOutput, "Overhead Standard Deviations:\n");
|
|
fprintf(inOptions->mOutput, " malloc: %11.4f\n", COST_PRINTABLE(getStdDev(&inStats->mMallocCostVar)));
|
|
fprintf(inOptions->mOutput, " calloc: %11.4f\n", COST_PRINTABLE(getStdDev(&inStats->mCallocCostVar)));
|
|
fprintf(inOptions->mOutput, " realloc: %11.4f\n", COST_PRINTABLE(getStdDev(&inStats->mReallocCostVar)));
|
|
fprintf(inOptions->mOutput, " free: %11.4f\n", COST_PRINTABLE(getStdDev(&inStats->mFreeCostVar)));
|
|
}
|
|
fprintf(inOptions->mOutput, "\n");
|
|
|
|
if(0 != inOptions->mRunLength)
|
|
{
|
|
unsigned length = inStats->uMaxTicks - inStats->uMinTicks;
|
|
|
|
fprintf(inOptions->mOutput, "Run Length: %11.4f\n", COST_PRINTABLE(length));
|
|
fprintf(inOptions->mOutput, "\n");
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
|
|
int tmstats(Options* inOptions)
|
|
/*
|
|
** As quick as possible, load the input file and report stats.
|
|
*/
|
|
{
|
|
int retval = 0;
|
|
tmreader* tmr = NULL;
|
|
TMStats stats;
|
|
|
|
memset(&stats, 0, sizeof(stats));
|
|
stats.mOptions = inOptions;
|
|
stats.uMinTicks = 0xFFFFFFFFU;
|
|
|
|
/*
|
|
** Need a tmreader.
|
|
*/
|
|
tmr = tmreader_new(inOptions->mProgramName, &stats);
|
|
if(NULL != tmr)
|
|
{
|
|
int tmResult = 0;
|
|
|
|
tmResult = tmreader_eventloop(tmr, inOptions->mInputName, tmEventHandler);
|
|
if(0 == tmResult)
|
|
{
|
|
retval = __LINE__;
|
|
ERROR_REPORT(retval, inOptions->mInputName, "Problem reading trace-malloc data.");
|
|
}
|
|
|
|
tmreader_destroy(tmr);
|
|
tmr = NULL;
|
|
|
|
if(0 == retval)
|
|
{
|
|
retval = report_stats(inOptions, &stats);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
retval = __LINE__;
|
|
ERROR_REPORT(retval, inOptions->mProgramName, "Unable to obtain tmreader.");
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
|
|
int main(int inArgc, char** inArgv)
|
|
{
|
|
int retval = 0;
|
|
Options options;
|
|
|
|
retval = initOptions(&options, inArgc, inArgv);
|
|
if(options.mHelp)
|
|
{
|
|
showHelp(&options);
|
|
}
|
|
else if(0 == retval)
|
|
{
|
|
retval = tmstats(&options);
|
|
}
|
|
|
|
cleanOptions(&options);
|
|
return retval;
|
|
}
|
|
|