Public bug reported:
libglib2.0-dev does not include GLib's systemtap probe definitions, so
it is impossible to perform GLib debugging using systemtap.
Basically it means that /usr/share/systemtap/tapset/gobject.stp is
missing (there is no package that provides such file).
On Fedora, it comes as part of glib*-devel.
Test case:
$ stap --ldd debugging/alive.stp -c 'src/myapp -c config.xml'
semantic error: probe point mismatch at position 0 (alternatives:
__nfs __scheduler __signal __tcpmib __vm _linuxmib _signal _sunrpc
_syscall _vfs begin begin(number) end end(number) error error(number)
generic ioblock ioblock_trace ioscheduler ioscheduler_trace ipmib
irq_handler kernel kprobe kprocess linuxmib module(string) nd_syscall
netdev never nfs nfsd perf process process(number) process(string)
procfs procfs(string) scheduler scsi signal socket softirq stap
staprun sunrpc syscall tcp tcpmib timer tty udp vfs vm workqueue):
identifier 'gobject' at debugging/alive.stp:2:7 while resolving probe
point gobject.object_new
source: probe gobject.object_new {
^
semantic error: probe point mismatch at position 0 (alternatives:
__nfs __scheduler __signal __tcpmib __vm _linuxmib _signal _sunrpc
_syscall _vfs begin begin(number) end end(number) error error(number)
generic ioblock ioblock_trace ioscheduler ioscheduler_trace ipmib
irq_handler kernel kprobe kprocess linuxmib module(string) nd_syscall
netdev never nfs nfsd perf process process(number) process(string)
procfs procfs(string) scheduler scsi signal socket softirq stap
staprun sunrpc syscall tcp tcpmib timer tty udp vfs vm workqueue):
identifier 'gobject' at :5:7 while resolving probe point
gobject.object_finalize
source: probe gobject.object_finalize {
^
Pass 2: analysis failed. Try again with another '--vp 01' option.
script was:
global alive
probe gobject.object_new {
alive[type]++
}
probe gobject.object_finalize {
alive[type]--
}
probe end {
printf ("Alive objects: \n")
foreach (a in alive) {
if (alive[a] > 0)
printf ("%d\t%s\n", alive[a], a)
}
}
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: libglib2.0-dev 2.32.3-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-31.50-generic 3.2.28
Uname: Linux 3.2.0-31-generic i686
ApportVersion: 2.0.1-0ubuntu13
Architecture: i386
Date: Mon Oct 8 12:52:35 2012
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
SourcePackage: glib2.0
UpgradeStatus: Upgraded to precise on 2012-07-16 (83 days ago)
** Affects: glib2.0 (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 precise running-unity
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https://bugs.launchpad.net/bugs/1063691
Title:
libglib2.0-dev does not include GLib's systemtap probe definitions
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