SystemTap on Ubuntu 7.04 i386

[Mike Mason]

BTW, does anyone object to changing stap to search for vmlinux-dbg-<version>, too?

Mike

Mike Mason wrote:
> I discovered that Ubuntu has a kernel-debug package that provides an 
> unstripped vmlinux only (no modules).  Perhaps this is general 
> knowledge, but it was news to me.  The installed vmlinux is named 
> /boot/vmlinux-dbg-<version>, so I created a link to it named 
> vmlinux-<version> so systemtap can find it.  Then I built and installed 
> the latest systemtap in CVS (as of yesterday) and ran "make 
> installcheck".  I was surprised to see very few failures (see below).  I 
> haven't evaluated the failures yet. Obviously anything related to 
> modules can be explained.  I also tried a few of the example scripts and 
> they worked as well, with the exception of socktop because the sockets 
> tapset was broken at the time the FC7 snapshot was taken.  All this with 
> just a 57MB vmlinux debuginfo file.
> 
> I'm wondering if we could get the distros to install the vmlinux-only 
> debuginfo by default.  I'm guessing this would allow 95% of systemtap to 
> work out-of-box.
> 
> BTW, Ubuntu 7.04 does bundle a version of systemtap, but it seems rather 
> old.
> 
> Mike
> 
> Test Run By root on Mon Jun  4 15:14:11 2007
> Native configuration is i686-pc-linux-gnu
> 
> FAIL: systemtap.base/kmodule.stp compilation
> FAIL: buildok/eighteen.stp
> FAIL: buildok/four.stp
> FAIL: buildok/scsi.stp
> FAIL: buildok/twentyfive.stp
> FAIL: semok/twelve.stp
> FAIL: semok/twenty.stp
> FAIL: systemtap.samples/lket(semantic error)
> FAIL: transport fill staging buffer - relayfs (0)
> FAIL: systemtap.stress/current.stp compilation
> 
>         === systemtap Summary ===
> 
> # of expected passes        309
> # of unexpected failures    10
> # of expected failures        130
> # of unknown successes        2
> # of known failures        5
> # of untested testcases        30
> # of unsupported tests        1
> 
> 
>