Hi David, I got the result of execution time as below in ClhsdbJstack.jtr:
-------------- #-----testresult----- description=file\:/home/ysuenaga/OpenJDK/jdk-hs/test/hotspot/jtreg/serviceability/sa/ClhsdbJstack.java elapsed=24825 0\:00\:24.825 end=Mon Dec 04 09\:41\:41 JST 2017 -------------- Thanks, Yasumasa 2017-12-04 5:38 GMT+09:00 David Holmes <[email protected]>: > Hi Yasumasa, > > > On 1/12/2017 11:56 PM, Yasumasa Suenaga wrote: >> >> Hi all, >> >> I saw NPE when I run jstack on clhsdb as below: >> >> ---------------- >> hsdb> jstack >> Deadlock Detection: >> >> No deadlocks found. >> >> "NonBlockingInputStreamThread" #27 daemon prio=5 tid=0x00007f0924674000 >> nid=0xf429 in Object.wait() [0x00007f08cf6fd000] >> java.lang.Thread.State: WAITING (on object monitor) >> JavaThread state: _thread_blocked >> - java.lang.Object.wait(long) @bci=0 (Compiled frame; information may be >> imprecise) >> - waiting on <no object reference available> >> Error occurred during stack walking: >> java.lang.NullPointerException >> at >> jdk.hotspot.agent/sun.jvm.hotspot.runtime.CompiledVFrame.getMonitors(CompiledVFrame.java:131) >> at >> jdk.hotspot.agent/sun.jvm.hotspot.runtime.JavaVFrame.printLockInfo(JavaVFrame.java:125) >> at >> jdk.hotspot.agent/sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:114) >> at >> jdk.hotspot.agent/sun.jvm.hotspot.CommandProcessor$26.doit(CommandProcessor.java:1073) >> at >> jdk.hotspot.agent/sun.jvm.hotspot.CommandProcessor.executeCommand(CommandProcessor.java:1964) >> at >> jdk.hotspot.agent/sun.jvm.hotspot.CommandProcessor.executeCommand(CommandProcessor.java:1934) >> at >> jdk.hotspot.agent/sun.jvm.hotspot.CommandProcessor.run(CommandProcessor.java:1814) >> at jdk.hotspot.agent/sun.jvm.hotspot.CLHSDB.run(CLHSDB.java:99) >> at jdk.hotspot.agent/sun.jvm.hotspot.CLHSDB.main(CLHSDB.java:40) >> at >> jdk.hotspot.agent/sun.jvm.hotspot.SALauncher.runCLHSDB(SALauncher.java:191) >> at >> jdk.hotspot.agent/sun.jvm.hotspot.SALauncher.main(SALauncher.java:439) >> ---------------- >> >> It is caused by CompiledVFrame#getScope() returns null. >> We should consider it at CompiledVFrame#getMonitors(). >> >> I uploaded a webrev. Could you review it? >> I checked this change with hotspot/jtreg/serviceability/sa on Linux x64. >> >> http://cr.openjdk.java.net/~ysuenaga/JDK-8192897/webrev.00/ >> >> We can reproduce this issue when we run the app with -Xcomp option. >> So I changed ClhsdbJstack.java to run with it. > > > How long does the test take to run with Xcomp? We have to watch execution > times for the tests in each tier. > > Thanks, > David > > >> >> I cannot access mach5 and JPRT. So I need sponsor. >> >> >> Thanks, >> >> Yasumasa >> >
