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Code Issues Releases Wiki Activity

cgroups: run some commands with root permissions

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Certain commands requires in general root permissions to be properly
executed (for example on an Android target).

Signed-off-by: Patrick Bellasi <patrick.bellasi@arm.com>
This commit is contained in:
Patrick Bellasi 2016-04-26 15:31:05 +01:00
parent 96392fd6b5
commit 3acf5d56df
1 changed files with 5 additions and 3 deletions
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8
devlib/module/cgroups.py
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@ -104,7 +104,8 @@ class Controller(object):
def list_all(self): def list_all(self):
self.logger.debug('Listing groups for %s controller', self.kind) self.logger.debug('Listing groups for %s controller', self.kind)
output = self.target.execute('{} find {} -type d'\ output = self.target.execute('{} find {} -type d'\
.format(self.target.busybox, self.mount_point)) .format(self.target.busybox, self.mount_point),
as_root=True)
cgroups = [] cgroups = []
for cg in output.splitlines(): for cg in output.splitlines():
cg = cg.replace(self.mount_point + '/', '/') cg = cg.replace(self.mount_point + '/', '/')
@ -162,7 +163,7 @@ class CGroup(object):
def exists(self): def exists(self):
try: try:
self.target.execute('[ -d {0} ]'\ self.target.execute('[ -d {0} ]'\
.format(self.directory)) .format(self.directory), as_root=True)
return True return True
except TargetError: except TargetError:
return False return False
@ -176,7 +177,8 @@ class CGroup(object):
self.directory) self.directory)
output = self.target._execute_util( output = self.target._execute_util(
'cgroups_get_attributes {} {}'.format( 'cgroups_get_attributes {} {}'.format(
self.directory, self.controller.kind)) self.directory, self.controller.kind),
as_root=True)
for res in output.splitlines(): for res in output.splitlines():
attr = res.split(':')[0] attr = res.split(':')[0]
value = res.split(':')[1] value = res.split(':')[1]