Re: RFR: 8280889: java/lang/instrument/GetObjectSizeIntrinsicsTest.java fails with -XX:-UseCompressedOops

2022-01-30 Thread Daniel D . Daugherty
On Fri, 28 Jan 2022 15:37:59 GMT, Aleksey Shipilev wrote: > Recent test regression after adding new cases in the test. Without compressed > oops, ~1G elements `Object[]` array takes >8G of memory, which fails the > test. The fix cuts it down to 512M when reference size is 8 bytes. > Additional

Re: RFR: 8280770: serviceability/sa/ClhsdbThreadContext.java sometimes fails with 'Thread "SteadyStateThread"' missing from stdout/stderr

2022-01-30 Thread David Holmes
On Fri, 28 Jan 2022 07:34:21 GMT, Chris Plummer wrote: > The test does a "threadcontext -v -a", and from the following output > determines the threadID of the SteadyStateThread: > > `Thread "SteadyStateThread" id=23 Address=0x01dc51749420` > > It then tries threadcontext on this id, but

Re: RFR: 8280770: serviceability/sa/ClhsdbThreadContext.java sometimes fails with 'Thread "SteadyStateThread"' missing from stdout/stderr

2022-01-30 Thread Chris Plummer
On Sun, 30 Jan 2022 21:47:45 GMT, David Holmes wrote: > That seems bizarre. If this is a dump from our Java launcher then there > should be no other threads created before the one that loads the JVM. Maybe they are invisible threads that Windows creates on thread launch that are deleted soon a

Re: RFR: 8280770: serviceability/sa/ClhsdbThreadContext.java sometimes fails with 'Thread "SteadyStateThread"' missing from stdout/stderr

2022-01-30 Thread David Holmes
On Fri, 28 Jan 2022 07:34:21 GMT, Chris Plummer wrote: > The test does a "threadcontext -v -a", and from the following output > determines the threadID of the SteadyStateThread: > > `Thread "SteadyStateThread" id=23 Address=0x01dc51749420` > > It then tries threadcontext on this id, but

Re: RFR: 8280770: serviceability/sa/ClhsdbThreadContext.java sometimes fails with 'Thread "SteadyStateThread"' missing from stdout/stderr

2022-01-30 Thread Chris Plummer
On Mon, 31 Jan 2022 05:06:38 GMT, David Holmes wrote: > It may be an old issue but if we're using the wrong/inappropriate thread id > and that is what causes the current bug then it does seem very pertinent to > this PR. For a single "session" it doesn't matter which is used but if you > want