Attachment #29714 for bug #26006

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import java.io.InputStreamReader;
import java.io.LineNumberReader;

import java.lang.management.*;
import java.util.StringTokenizer;

/**

    /** Measure baseline memory footprint */
    public void testMemoryFootprintAfterStart() throws IOException{
        long memory;
        long clzCount;
        try {
            memory = getMemoryConsumption();
            
            if(memory>0){
                reportPerformance("Memory Consumption After Start", memory , "kB", 1);
            }else
                fail("Measured value = "+memory+"kB - it's wrong value!");
            
            clzCount = getClassesCount();
            if(clzCount>0){
                reportPerformance("Class Count After Start", clzCount , "", 1);
            }else
                fail("Measured value = "+clzCount+" loaded classes - it's wrong value!");
            
        }catch(Exception exc){
            exc.printStackTrace(getLog());
            fail("Exception rises during measurement : "+exc.toString());

        }
        
        long memory;
        long clzCount;
        try {
            memory = getMemoryConsumption();
            
            if(memory>0){
                reportPerformance("Memory Consumption After Start with 10 opened files", memory , "kB", 1);
            }else
                fail("Measured value = "+memory+"kB - it's wrong value!");
            
            clzCount = getClassesCount();
            if(clzCount>0){
                reportPerformance("Class Count After Start", clzCount , "", 1);
            }else
                fail("Measured value = "+clzCount+" loaded classes - it's wrong value!");
            
        }catch(Exception exc){
            exc.printStackTrace(getLog());
            fail("Exception rises during measurement : "+exc.toString());

        return 0;
    }
    
    
    /**
     * Queries the JVM to get number of loaded classes
     * @return number of loaded classes
     */
    private long getClassesCount () {
        ClassLoadingMXBean clbean = ManagementFactory.getClassLoadingMXBean();
        return clbean.getTotalLoadedClassCount();
    }
    
    /**
     * Run appropriate command against used platform.

Return to bug 26006

Lines 20-25 Link Here

(-)performance/test/unit/src/memory/MeasureBaselineMemoryFootprint.java (-2 / +24 lines)
20	import java.io.InputStreamReader;	20	import java.io.InputStreamReader;
21	import java.io.LineNumberReader;	21	import java.io.LineNumberReader;
22		22
		23	import java.lang.management.*;
23	import java.util.StringTokenizer;	24	import java.util.StringTokenizer;
24		25
25	/**	26	/**
Lines 68-81 Link Here
68	/** Measure baseline memory footprint */	69	/** Measure baseline memory footprint */
69	public void testMemoryFootprintAfterStart() throws IOException{	70	public void testMemoryFootprintAfterStart() throws IOException{
70	long memory;	71	long memory;
		72	long clzCount;
71	try {	73	try {
72	memory = getMemoryConsumption();	74	memory = getMemoryConsumption();
73
74	if(memory>0){	75	if(memory>0){
75	reportPerformance("Memory Consumption After Start", memory , "kB", 1);	76	reportPerformance("Memory Consumption After Start", memory , "kB", 1);
76	}else	77	}else
77	fail("Measured value = "+memory+"kB - it's wrong value!");	78	fail("Measured value = "+memory+"kB - it's wrong value!");
78		79
		80	clzCount = getClassesCount();
		81	if(clzCount>0){
		82	reportPerformance("Class Count After Start", clzCount , "", 1);
		83	}else
		84	fail("Measured value = "+clzCount+" loaded classes - it's wrong value!");
		85
79	}catch(Exception exc){	86	}catch(Exception exc){
80	exc.printStackTrace(getLog());	87	exc.printStackTrace(getLog());
81	fail("Exception rises during measurement : "+exc.toString());	88	fail("Exception rises during measurement : "+exc.toString());
Lines 90-103 Link Here
90	}	97	}
91		98
92	long memory;	99	long memory;
		100	long clzCount;
93	try {	101	try {
94	memory = getMemoryConsumption();	102	memory = getMemoryConsumption();
95
96	if(memory>0){	103	if(memory>0){
97	reportPerformance("Memory Consumption After Start with 10 opened files", memory , "kB", 1);	104	reportPerformance("Memory Consumption After Start with 10 opened files", memory , "kB", 1);
98	}else	105	}else
99	fail("Measured value = "+memory+"kB - it's wrong value!");	106	fail("Measured value = "+memory+"kB - it's wrong value!");
100		107
		108	clzCount = getClassesCount();
		109	if(clzCount>0){
		110	reportPerformance("Class Count After Start", clzCount , "", 1);
		111	}else
		112	fail("Measured value = "+clzCount+" loaded classes - it's wrong value!");
		113
101	}catch(Exception exc){	114	}catch(Exception exc){
102	exc.printStackTrace(getLog());	115	exc.printStackTrace(getLog());
103	fail("Exception rises during measurement : "+exc.toString());	116	fail("Exception rises during measurement : "+exc.toString());
Lines 159-164 Link Here
159	return 0;	172	return 0;
160	}	173	}
161		174
		175
		176	/**
		177	* Queries the JVM to get number of loaded classes
		178	* @return number of loaded classes
		179	*/
		180	private long getClassesCount () {
		181	ClassLoadingMXBean clbean = ManagementFactory.getClassLoadingMXBean();
		182	return clbean.getTotalLoadedClassCount();
		183	}
162		184
163	/**	185	/**
164	* Run appropriate command against used platform.	186	* Run appropriate command against used platform.