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JWrapper
libs
BenchRunnable.java
BenchmarkList.java
BenchmarkMap.java
BenchmarkSet.java
CPUScaler.c
CPUScaler.h
Makefile
README.md
RaplRunner.java
arch_spec.c
arch_spec.h
compile.sh
dvfs.c
msr.c
msr.h
runAllBenchmarks.sh
runBenchmarksList.sh
runBenchmarksMap.sh
runBenchmarksSet.sh

README.md

Introduction

For a general explanation of jRapl, check out webpage.

Pre-requisites

This library uses the kernel msr module. To use, type

sudo modprobe msr

Build

To generate the library for JNI, and compile java code

./compile

How to use

Everytime you need root/sudo access to run the Java code in order to access RAPL MSR.

To run the data structure implementations we have already tested, you can run

./runAllBenchmarks

or the individual ones ./runBenchmarksSet ./runBenchmarksList ./runBenchmarksMap

or run the single command sudo java RaplRunner "path.to.class.package" methodNumber "testName" timeLimitMilliSeconds populationSize structureCode

Example sudo java RaplRunner "java.util.HashSet" 0 "add" 600000 25000 0

Set [structureCode = 0] methodNumber methodName
0 add
1 remove
2 addAll
3 contains
4 removeAll
5 iterator
6 containsAll
7 toArray
8 clear
9 retainAll
10 iterate all
List [structureCode = 1] methodNumber methodName
0 add
1 remove
2 addAll
3 contains
4 removeAll
5 iterator
6 containsAll
7 toArray
8 clear
9 retainAll
10 add i
11 addAll i
12 get i
13 indexOf i
14 lastIndexOf i
15 set i e
16 sublist
17 listIterator
18 listIterator i
19 remove i
20 iterateAll
Map [structureCode = 2] methodNumber methodName
0 clear
1 containsKey
2 containsValue
3 entrySet
4 get
5 keySet
6 put
7 putAll
8 remove
9 values
10 iterateAll

Contact and other information