def run(tset, args, usr_par=None, grp_par=None):
if isinstance(tset, str):
s = cset.unique_set(tset)
elif not isinstance(tset, cset.CpuSet):
raise CpusetException(
"passed set=%s, which is not a string or CpuSet" % tset)
else:
s = tset
log.debug('entering run, set=%s args=%s ', s.path, args)
set.active(s)
# check user
if usr_par:
try:
user = pwd.getpwnam(usr_par)[2]
except KeyError:
try:
user = pwd.getpwuid(int(usr_par))[2]
except:
raise CpusetException('unknown user: "******"' % usr_par)
if grp_par:
try:
group = grp.getgrnam(grp_par)[2]
except KeyError:
try:
group = grp.getgrgid(int(grp_par))[2]
except:
raise CpusetException('unknown group: "%s"' % grp_par)
elif usr_par:
# if user is specified but group is not, and user is not root,
# then use the users group
if user != 0:
try:
group = grp.getgrnam('users')[2]
grp_par = True
except:
pass # just forget it
# move myself into target cpuset and exec child
move_pidspec(str(os.getpid()), s)
log.info(
'--> last message, executed args into cpuset "%s", new pid is: %s',
s.path, os.getpid())
# change user and group before exec
if grp_par: os.setgid(group)
if usr_par:
os.setuid(user)
os.environ["LOGNAME"] = usr_par
os.environ["USERNAME"] = usr_par
os.environ["USER"] = usr_par
os.execvp(args[0], args)
def run(tset, args, usr_par=None, grp_par=None):
if isinstance(tset, str):
s = cset.unique_set(tset)
elif not isinstance(tset, cset.CpuSet):
raise CpusetException(
"passed set=%s, which is not a string or CpuSet" % tset)
else:
s = tset
log.debug('entering run, set=%s args=%s ', s.path, args)
set.active(s)
# check user
if usr_par:
try:
user = pwd.getpwnam(usr_par)[2]
except KeyError:
try:
user = pwd.getpwuid(int(usr_par))[2]
except:
raise CpusetException('unknown user: "******"' % usr_par)
if grp_par:
try:
group = grp.getgrnam(grp_par)[2]
except KeyError:
try:
group = grp.getgrgid(int(grp_par))[2]
except:
raise CpusetException('unknown group: "%s"' % grp_par)
elif usr_par:
# if user is specified but group is not, and user is not root,
# then use the users group
if user != 0:
try:
group = grp.getgrnam('users')[2]
grp_par = True
except:
pass # just forget it
# move myself into target cpuset and exec child
move_pidspec(str(os.getpid()), s)
log.info('--> last message, executed args into cpuset "%s", new pid is: %s',
s.path, os.getpid())
# change user and group before exec
if grp_par: os.setgid(group)
if usr_par:
os.setuid(user)
os.environ["LOGNAME"] = usr_par
os.environ["USERNAME"] = usr_par
os.environ["USER"] = usr_par
os.execvp(args[0], args)
def func(parser, options, args):
log.debug("entering func, options=%s, args=%s", options, args)
global verbose
if options.verbose: verbose = options.verbose
cset.rescan()
tset = None
if options.list or options.exc:
if options.set:
tset = cset.unique_set(options.set)
elif options.toset:
tset = cset.unique_set(options.toset)
elif len(args) > 0:
if options.exc:
tset = cset.unique_set(args[0])
del args[0]
else:
tset = args
else:
raise CpusetException("cpuset not specified")
try:
log.debug("operating on set %s", tset.path)
except:
log.debug("operating on sets %s", tset)
if options.exc: run(tset, args, options.user, options.group)
if options.list:
list_sets(tset)
return
if options.move or options.kthread:
fset = None
tset = None
# first, we need to know the destination
if options.toset:
tset = cset.unique_set(options.toset)
elif options.set and options.pid:
tset = cset.unique_set(options.set)
elif options.set and options.fromset:
tset = cset.unique_set(options.set)
elif len(args) > 0:
if len(args) > 1 and options.pid == None:
options.pid = args[0]
if len(args) < 3:
tset = cset.unique_set(args[1])
else:
# "-m 123 set1 set2" shortcut
fset = cset.unique_set(args[1])
tset = cset.unique_set(args[2])
# take care of set1->set2 shortcut
pids = pidspec_to_list(options.pid, threads=options.threads)
if len(pids) == 1:
try:
fset = cset.unique_set(pids[0])
options.pid = None
except:
pass # must be real pidspec
else:
if len(args) < 2:
tset = cset.unique_set(args[0])
else:
fset = cset.unique_set(args[0])
tset = cset.unique_set(args[1])
else:
raise CpusetException("destination cpuset not specified")
set.active(tset)
# next, if there is a pidspec, move just that
if options.pid:
if options.fromset and not options.force:
fset = cset.unique_set(options.fromset)
elif options.toset and options.set:
fset = cset.unique_set(options.set)
pids = pidspec_to_list(options.pid, fset, options.threads)
if len(pids):
log.info('moving following pidspec: %s' % ','.join(pids))
selective_move(None, tset, pids, options.kthread,
options.force)
else:
log.info('**> no tasks moved')
log.info('done')
else:
fset = None
# here we assume move everything from fromset to toset
if options.fromset:
fset = cset.unique_set(options.fromset)
elif options.set:
fset = cset.unique_set(options.set)
elif len(args) > 0:
# this must be the fromset, then...
fset = cset.unique_set(args[0])
if fset == None:
raise CpusetException("origination cpuset not specified")
nt = len(fset.tasks)
if nt == 0:
raise CpusetException('no tasks to move from cpuset "%s"' %
fset.path)
if options.move:
log.info('moving all tasks from %s to %s', fset.name,
tset.path)
selective_move(fset, tset, None, options.kthread,
options.force, options.threads)
else:
log.info('moving all kernel threads from %s to %s', fset.path,
tset.path)
# this is a -k "move", so only move kernel threads
pids = []
for task in fset.tasks:
try:
os.readlink('/proc/' + task + '/exe')
except:
pids.append(task)
selective_move(fset, tset, pids, options.kthread,
options.force)
log.info('done')
return
# default no options is list
list_sets(args)
def func(parser, options, args):
log.debug("entering func, options=%s, args=%s", options, args)
global verbose
if options.verbose: verbose = options.verbose
cset.rescan()
tset = None
if options.list or options.exc:
if options.set:
tset = cset.unique_set(options.set)
elif options.toset:
tset = cset.unique_set(options.toset)
elif len(args) > 0:
if options.exc:
tset = cset.unique_set(args[0])
del args[0]
else:
tset = args
else:
raise CpusetException("cpuset not specified")
try:
log.debug("operating on set %s", tset.path)
except:
log.debug("operating on sets %s", tset)
if options.exc: run(tset, args, options.user, options.group)
if options.list:
list_sets(tset)
return
if options.move or options.kthread:
fset = None
tset = None
# first, we need to know the destination
if options.toset:
tset = cset.unique_set(options.toset)
elif options.set and options.pid:
tset = cset.unique_set(options.set)
elif options.set and options.fromset:
tset = cset.unique_set(options.set)
elif len(args) > 0:
if len(args) > 1 and options.pid == None:
options.pid = args[0]
if len(args) < 3:
tset = cset.unique_set(args[1])
else:
# "-m 123 set1 set2" shortcut
fset = cset.unique_set(args[1])
tset = cset.unique_set(args[2])
# take care of set1->set2 shortcut
pids = pidspec_to_list(options.pid, threads=options.threads)
if len(pids) == 1:
try:
fset = cset.unique_set(pids[0])
options.pid = None
except:
pass # must be real pidspec
else:
if len(args) < 2:
tset = cset.unique_set(args[0])
else:
fset = cset.unique_set(args[0])
tset = cset.unique_set(args[1])
else:
raise CpusetException("destination cpuset not specified")
set.active(tset)
# next, if there is a pidspec, move just that
if options.pid:
if options.fromset and not options.force:
fset = cset.unique_set(options.fromset)
elif options.toset and options.set:
fset = cset.unique_set(options.set)
pids = pidspec_to_list(options.pid, fset, options.threads)
if len(pids):
log.info('moving following pidspec: %s' % ','.join(pids))
selective_move(None, tset, pids, options.kthread, options.force)
else:
log.info('**> no tasks moved')
log.info('done')
else:
fset = None
# here we assume move everything from fromset to toset
if options.fromset:
fset = cset.unique_set(options.fromset)
elif options.set:
fset = cset.unique_set(options.set)
elif len(args) > 0:
# this must be the fromset, then...
fset = cset.unique_set(args[0])
if fset == None:
raise CpusetException("origination cpuset not specified")
nt = len(fset.tasks)
if nt == 0:
raise CpusetException('no tasks to move from cpuset "%s"'
% fset.path)
if options.move:
log.info('moving all tasks from %s to %s',
fset.name, tset.path)
selective_move(fset, tset, None, options.kthread, options.force,
options.threads)
else:
log.info('moving all kernel threads from %s to %s',
fset.path, tset.path)
# this is a -k "move", so only move kernel threads
pids = []
for task in fset.tasks:
try: os.readlink('/proc/'+task+'/exe')
except: pids.append(task)
selective_move(fset, tset, pids, options.kthread, options.force)
log.info('done')
return
# default no options is list
list_sets(args)