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8319053: Segment dump files remain after parallel heap dump on Windows

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Reviewed-by: dholmes, yyang
This commit is contained in:
Alex Menkov 2023-11-03 20:44:36 +00:00
parent ea6a88a0aa
commit 29cf2c471b
2 changed files with 20 additions and 5 deletions
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7
src/hotspot/share/services/heapDumper.cpp
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@ -389,7 +389,7 @@ enum {
// Supports I/O operations for a dump
// Base class for dump and parallel dump
class AbstractDumpWriter : public ResourceObj {
class AbstractDumpWriter : public CHeapObj<mtInternal> {
protected:
enum {
io_buffer_max_size = 1*M,
@ -1955,7 +1955,9 @@ void DumpMerger::do_merge() {
merge_file(path);
}
// Delete selected segmented heap file nevertheless
remove(path);
if (remove(path) != 0) {
log_info(heapdump)("Removal of segment file (%d) failed (%d)", i, errno);
}
}
// restore compressor for further use
@ -2358,6 +2360,7 @@ void VM_HeapDumper::work(uint worker_id) {
_dumper_controller->wait_all_dumpers_complete();
} else {
_dumper_controller->dumper_complete(local_writer, writer());
delete local_writer;
return;
}
}

18
test/hotspot/jtreg/serviceability/dcmd/gc/HeapDumpParallelTest.java
View File

@ -26,6 +26,8 @@ import java.io.IOException;
import java.nio.file.Files;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import jdk.test.lib.Asserts;
import jdk.test.lib.JDKToolLauncher;
@ -39,7 +41,7 @@ import jdk.test.lib.hprof.HprofParser;
/**
* @test
* @bug 8306441
* @bug 8306441 8319053
* @summary Verify the integrity of generated heap dump and capability of parallel dump
* @library /test/lib
* @run main HeapDumpParallelTest
@ -47,6 +49,8 @@ import jdk.test.lib.hprof.HprofParser;
public class HeapDumpParallelTest {
private static final String heapDumpFileName = "parallelHeapDump.bin";
private static void checkAndVerify(OutputAnalyzer dcmdOut, LingeredApp app, File heapDumpFile, boolean expectSerial) throws Exception {
dcmdOut.shouldHaveExitValue(0);
dcmdOut.shouldContain("Heap dump file created");
@ -65,6 +69,16 @@ public class HeapDumpParallelTest {
appOut.shouldNotContain("Merge heap files complete");
}
HprofParser.parseAndVerify(heapDumpFile);
List<String> files
= Stream.of(heapDumpFile.getAbsoluteFile().getParentFile().listFiles())
.filter(file -> !file.isDirectory())
.map(File::getName)
.filter(name -> name.startsWith(heapDumpFileName) && !name.equals(heapDumpFileName))
.collect(Collectors.toList());
if (!files.isEmpty()) {
throw new RuntimeException("Unexpected files left: " + files);
}
if (heapDumpFile.exists()) {
heapDumpFile.delete();
}
@ -79,8 +93,6 @@ public class HeapDumpParallelTest {
}
public static void main(String[] args) throws Exception {
String heapDumpFileName = "parallelHeapDump.bin";
File heapDumpFile = new File(heapDumpFileName);
if (heapDumpFile.exists()) {
heapDumpFile.delete();