RFR: 8242188: [TESTBUG] error in jtreg test jdk/jfr/api/consumer/TestRecordedFrame.java on linux-aarch64

[Nick Gasson]

Hi,

Any feedback on this patch? It's just tweaking the test to work around
an oddity in -Xcomp on AArch64.

--
Thanks,
Nick


On 04/29/20 16:11 pm, Nick Gasson wrote:
> Hi,
>
> A small fix for a jtreg test failure on AArch64:
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8242188
> Webrev: http://cr.openjdk.java.net/~ngasson/8242188/webrev.0/
>
> This test is run with -Xcomp and checks the main() method in the stack
> trace is not interpreted. This fails on AArch64 because this port does
> not support patching the instructions of a method after it is compiled,
> so -Xcomp is very sensitive to the order classes are loaded in. In this
> case the call to System.out.println() causes main() to be deoptimized
> almost immediately and run in the interpreter.
>
> Fix by calling an empty method instead, which has the same effect of
> non-zero BCI for the test() call.
>
>
> Thanks,
> Nick