Comment 10 for bug 807893

# ps axwu
...
qemu00 29957 0.5 9.8 480568 405228 ? Sl Jul12 7:41 /usr/bin/qemu-system-x86_64 -runas ...
...

# ps axwu -L
...
qemu00 29957 29957 0.2 3 9.8 480568 405228 ? Sl Jul12 2:49 /usr/bin/qemu-system-x86_64 -runas ...
root 29957 29959 0.3 3 9.8 480568 405228 ? Sl Jul12 4:47 /usr/bin/qemu-system-x86_64 -runas ...
root 29957 29960 0.0 3 9.8 480568 405228 ? Sl Jul12 0:00 /usr/bin/qemu-system-x86_64 -runas ...
...

# cat /proc/29957/task/29959/status
Name: qemu-system-x86
State: S (sleeping)
Tgid: 29957
Pid: 29959
PPid: 1
TracerPid: 0
Uid: 0 0 0 0
Gid: 0 0 0 0
FDSize: 32
Groups: 999

...

Threads can have their own uid/gid set.