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Profiling (computer programming)

In software engineering, profiling (program profiling, software profiling) is a form of dynamic program analysis that measures, for example, the space (memory) or time complexity of a program, the usage of particular instructions, or the frequency and duration of function calls. Most commonly, profiling information serves to aid program optimization, and…

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Data granularity in profiler types

Basic blockClock cyclesCacheJavaJVMTI
36 related topics

History

IBM/360IBM/370Program status wordSamplingInstruction-set simulators
9 related topics

Use of profilers

ArchitecturesCompilerInstruction schedulingBranch predictionPLDI
12 related topics

Gathering program events

Hardware interruptsHooksPerformance counters
3 related topics

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Overview

Gathering program events

Use of profilers

History

Data granularity in profiler types

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Map overview Semantic statistics

Profiling (computer programming)

Nodes74
Edges73
Triples5
Avg. degree1.97
Density0.027027
Components1

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Important terminology

program code profilers profiling instrumentation performance tools target information data profiler analysis time sampling based also statistical runtime execution call

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
system call processing.Unfortunatelyinstance ofThey can show the relative amount of time spent in user mode versus interruptible kernel mode0.80text
running kernel code to handle the interrupts incurs a minor loss of CPU cycles from the target programinstance ofThey can show the relative amount of time spent in user mode versus interruptible kernel mode0.80text
diverts cache usageinstance ofThey can show the relative amount of time spent in user mode versus interruptible kernel mode0.80text
and cannot distinguish the various tasks occurring in uninterruptible kernel codeinstance ofThey can show the relative amount of time spent in user mode versus interruptible kernel mode0.80text
the Application Response Measurement standard.Automatic source levelinstance ofsimply count events or calls to measurement APIs0.80text

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