diff options
Diffstat (limited to 'scripts/qemuimage-testlib-pythonhelper')
-rwxr-xr-x | scripts/qemuimage-testlib-pythonhelper | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/scripts/qemuimage-testlib-pythonhelper b/scripts/qemuimage-testlib-pythonhelper new file mode 100755 index 0000000000..2ca61ca06a --- /dev/null +++ b/scripts/qemuimage-testlib-pythonhelper @@ -0,0 +1,61 @@ +#!/usr/bin/env python + +import optparse +import subprocess +import sys + +parser = optparse.OptionParser( + usage = """ + %prog [options] +""") + +parser.add_option("-q", "--findqemu", + help = "find a qemu beneath the process <pid>", + action="store", dest="findqemu") + +options, args = parser.parse_args(sys.argv) + +if options.findqemu: + # + # Walk the process tree from the process specified looking for a qemu-system. Return its pid. + # + ps = subprocess.Popen(['ps', 'ax', '-o', 'pid,ppid,command'], stdout=subprocess.PIPE).communicate()[0] + processes = ps.split('\n') + nfields = len(processes[0].split()) - 1 + pids = {} + commands = {} + for row in processes[1:]: + data = row.split(None, nfields) + if len(data) != 3: + continue + if data[1] not in pids: + pids[data[1]] = [] + pids[data[1]].append(data[0]) + commands[data[0]] = data[2] + + if options.findqemu not in pids: + print "No children found matching %s" % options.findqemu + sys.exit(1) + + parents = [] + newparents = pids[options.findqemu] + while newparents: + next = [] + for p in newparents: + if p in pids: + for n in pids[p]: + if n not in parents and n not in next: + next.append(n) + + if p not in parents: + parents.append(p) + newparents = next + #print "Children matching %s:" % str(parents) + for p in parents: + if "qemu-system" in commands[p]: + print p + sys.exit(0) + sys.exit(1) +else: + parser.print_help() + |