[Bug runtime/6500] New: Systemtap's utrace support needs to follow new threads

["ananth at in dot ibm dot com" <sourceware-bugzilla at sourceware dot org>]

Running the following script on a multi-threaded process yields traces only for
the tgid and not for any of the threads:

probe process(<path to multithreaded proc>).syscall
{
        printf("%d thread[%d] syscall\n", pid(), tid())
}

output:
...
5739 thread[5739] syscall
5739 thread[5739] syscall
5739 thread[5739] syscall
5739 thread[5739] syscall
...

[ananth@thinktux]$ ls /proc/5739/task/
5739  5740  5741

-- 
           Summary: Systemtap's utrace support needs to follow new threads
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: runtime
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: ananth at in dot ibm dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=6500

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