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Posted to commits@harmony.apache.org by "Ruth Cao (JIRA)" <ji...@apache.org> on 2007/02/08 11:49:06 UTC
[jira] Updated: (HARMONY-1194) [classlib][nio] unexpected "Memory
Spy! Fixed attempt to free memory that was not allocated
PlatformAddress[xxx]" messages
[ https://issues.apache.org/jira/browse/HARMONY-1194?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ruth Cao updated HARMONY-1194:
------------------------------
Attachment: Harmony-1194.diff
May somebody pls try this one?
> [classlib][nio] unexpected "Memory Spy! Fixed attempt to free memory that was not allocated PlatformAddress[xxx]" messages
> --------------------------------------------------------------------------------------------------------------------------
>
> Key: HARMONY-1194
> URL: https://issues.apache.org/jira/browse/HARMONY-1194
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Reporter: Vladimir Ivanov
> Attachments: Harmony-1194.diff
>
>
> The test below report on the 2CPU computers messages like this
> "Memory Spy! Fixed attempt to free memory that was not allocated PlatformAddress[159703592]"
> Note, on 1 CPU it works fine. I did not detect problem yet so continue to investigate.
> ============================= test.java ===========================
> import java.io.File;
> import java.io.FileOutputStream;
> import java.io.IOException;
> import java.nio.ByteBuffer;
> import java.nio.channels.FileChannel;
> public class test {
> public int NUMBER_OF_ITERATIONS = 10000;
> public int NUMBER_OF_BYTE_BUFFERS = 3;
> public int bufferSize = 1024;
> public int numThreads = 15;
> // Each thread sets PASS/FAIL flag into its corresponding array element
> public int[] statuses;
> public static void main(String[] args) {
> System.exit(new test().test(args));
> }
> public int test(String[] params) {
> // Start 'numThreads' threads each reading from file, inflating/deflating
> Thread[] t = new Thread[numThreads];
> statuses = new int[t.length];
>
> for (int i = 0; i < t.length; i++) {
> t[i] = new Thread(new ChannelWriteThread(i, this));
> t[i].start();
> System.out.println("Thread " + i + " started");
> }
>
> // wait for all threads to finish
> for (int i = 0; i < t.length; ++i){
> try {
> t[i].join();
> System.out.println("Thread " + i + ": joined() ");
> } catch (InterruptedException ie){
> System.out.println("interruptedException while join() of thread #" + i);
> return -1;
> }
> }
> // check status
> for (int i = 0; i < statuses.length; ++i){
> if (statuses[i] != 10){
> System.out.println("thread #" + i + " returned not PASS status");
> return -1;
> }
> }
> System.out.println("OK");
> return 0;
> }
> }
> class ChannelWriteThread implements Runnable {
> public int id;
> public test base;
> public ChannelWriteThread(int id, test base) {
> this.id = id;
> this.base = base;
> }
> public void run() {
> FileOutputStream fos = null;
> FileChannel channel = null;
> try {
> File file = File.createTempFile("test", null);
> file.deleteOnExit();
> fos = new FileOutputStream(file);
> channel = fos.getChannel();
> } catch (IOException e) {
> e.printStackTrace();
> }
> base.statuses[id] = 10;
> ByteBuffer[] buffer = new ByteBuffer[base.NUMBER_OF_BYTE_BUFFERS];
> for (int i = 0; i < base.NUMBER_OF_ITERATIONS; ++i) {
> for(int j = 0; j < base.NUMBER_OF_BYTE_BUFFERS; j++) {
> buffer[j] = ByteBuffer.allocate(2 * base.bufferSize);
> }
> buffer[0].flip();
> try {
> channel.write(buffer);
> } catch (IOException e) {
> base.statuses[id] = -1;
> System.out.println("Thread " + id + " : IOException while buffer writing");
> }
> buffer[0].clear();
> }
> try {
> channel.close();
> fos.close();
> } catch (IOException e) {
> base.statuses[id] = -1;
> System.out.println("Thread " + id + " : IOException while closing");
> }
> }
> }
> ===============================================================
> Output (for 4 CPU comp):
> Y:\site\proj\drl\qe\my>inaries\builds\combined\20060815\Harmony-drlvm_20060815_win_ia32_0000_msvc\bin\java.exe -Dvm.assert_dialog=false -cp . -showversion test
> java version "1.5.0"
> pre-alpha : not complete or compatible
> svn = rsvn: '.' is not a working copy, (Aug 15 2006), Windows/ia32/msvc 1310, debug build
> http://incubator.apache.org/harmony
> Thread 0 started
> Thread 1 started
> Thread 2 started
> Thread 3 started
> Thread 4 started
> Thread 5 started
> Thread 6 started
> Thread 7 started
> Thread 8 started
> Thread 9 started
> Thread 10 started
> Thread 11 started
> Thread 12 started
> Thread 13 started
> Thread 14 started
> Memory Spy! Fixed attempt to free memory that was not allocated PlatformAddress[187955296]
> Memory Spy! Fixed attempt to free memory that was not allocated PlatformAddress[161934880]
> Memory Spy! Fixed attempt to free memory that was not allocated PlatformAddress[175398240]
> Memory Spy! Fixed attempt to free memory that was not allocated PlatformAddress[168220896]
> Memory Spy! Fixed attempt to free memory that was not allocated PlatformAddress[161925840]
> Memory Spy! Fixed attempt to free memory that was not allocated PlatformAddress[172589448]
> Memory Spy! Fixed attempt to free memory that was not allocated PlatformAddress[190659456]
> Memory Spy! Fixed attempt to free memory that was not allocated PlatformAddress[200620192]
> Memory Spy! Fixed attempt to free memory that was not allocated PlatformAddress[171946168]
> Memory Spy! Fixed attempt to free memory that was not allocated PlatformAddress[192747808]
> Thread 0: joined()
> Memory Spy! Fixed attempt to free memory that was not allocated PlatformAddress[172558608]
> Thread 1: joined()
> Thread 2: joined()
> Thread 3: joined()
> Thread 4: joined()
> Thread 5: joined()
> Thread 6: joined()
> Thread 7: joined()
> Thread 8: joined()
> Thread 9: joined()
> Thread 10: joined()
> Thread 11: joined()
> Thread 12: joined()
> Thread 13: joined()
> Thread 14: joined()
> OK
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