** Changed in: openjdk-7 (Ubuntu)
Assignee: Seyeong Kim (xtrusia) => (unassigned)
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https://bugs.launchpad.net/bugs/1286895
Title:
please support systemtap traces in openjdk
Status in openjdk-7 package in Ubuntu:
Incomplete
Bug description:
[SRU justification]
[Impact]
I'd like, not only to trace the java process, but use the new support
for openjdk tracing in systemtap, both the hotspot tracing and the
method tracing.
Accordingly i installed the ddebs.ubuntu.com[1] repository to install
the kernel debuging symbols - i can then call a stap script that uses
kernel tapsets but not yet java ones. I did notice a package called
openjdk-7-jdk-dbgsym and tried to install it to see if this had the
systemtap tapsets for the openjdk, but this conflicts with the
openjdk-7-dbg package (which then ubuntu doesn't let me bug report
since the openjdk-7-jdk-dbgsym package is not from the 'official'
servers). And if i uninstall that one and install the other it doesn't
help anyway.
If the steps i followed to try to get systemtap java method tracing in
ubuntu were incorrect and this can be done with packages from your
reporsitories, feel free to close.
[1] https://sourceware.org/systemtap/wiki/SystemtapOnUbuntu
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: openjdk-7-dbg (not installed)
ProcVersionSignature: Ubuntu 3.13.0-14.34-generic 3.13.5
Uname: Linux 3.13.0-14-generic x86_64
ApportVersion: 2.13.2-0ubuntu5
Architecture: amd64
CurrentDesktop: GNOME
Date: Sun Mar 2 20:37:05 2014
InstallationDate: Installed on 2014-01-17 (44 days ago)
InstallationMedia: Ubuntu-GNOME 14.04 "Trusty Tahr" - Alpha amd64 (20140117)
SourcePackage: openjdk-7
UpgradeStatus: No upgrade log present (probably fresh install)
[Test Case]
sudo apt-get install openjdk-7-dbg binutils
readelf -n /usr/lib/debug/usr/lib/jvm/java-7-openjdk-
amd64/jre/lib/amd64/server/libjvm.so
no systemtap symbol in it
[Regression Potential]
[Other Info]
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