Geir Magnusson Jr wrote:
Jimmy, Jing Lv wrote:
Hi,
On writing tests for java.lang.instrument, I find it nice Harmony
launcher can accept parameter "-javaagent" currently. Look deep into the
launcher code, I find the parameter was really parsed by VM itself
currently.
And if I use J9VM, it can accept such parameter but ask for
"instrument.dll". As we know, Harmony naming convention use "hyXXX.dll"
as dll-file name.
Time to fix that.
So vm fails to load lib here. However if I copy the
file "hyinstrument.dll" to "instrument.dll", J9VM load it happily and
pass my test on Instrument.
Yay!
I do not know what does DRLVM or other VMs do here (I'd like to hear
if jvmti has been implemented in DRLVM).
I have zero interest in perpetuating the "hy" abhorrence.
Hi,
So Harmony is going to omit "hy" in DLLs? Do we have a plan on
that? It'll be nice as test can work without VM changes :)
So Instrument testcases can not be put to svn until this problem is
solved (or it'll break build!). I guess there are two ways here:
1. to work around, add a line in build.xml, copy the file to
"instrument.dll", and wait for VM to get updated. Or we change filename
in build system forever?
Yay!
2. I wonder if we can modify in launcher, parse the parameter and
pass the dll filename to VM?
That's a very good idea - then you can "A/B" test with known good
instrumentation.
geir
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Best Regards!
Jimmy, Jing Lv
China Software Development Lab, IBM
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