nikon/tuned
1
0
Fork 0
Code Activity Actions

scheduler: Replace get_process with _get_cmdline

Browse source 
Signed-off-by: Ondřej Lysoněk <olysonek@redhat.com>
This commit is contained in:
Ondřej Lysoněk 2018-05-28 15:37:44 +02:00
parent 7da6e4adc9
commit c1bc257563
1 changed files with 10 additions and 14 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
tuned/plugins/plugin_scheduler.py
View file

@ -106,17 +106,6 @@ class SchedulerPlugin(base.Plugin):
"ps_blacklist": None,
}
def get_process(self, pid):
cmd = self._cmd.read_file("/proc/" + str(pid) + "/comm", no_error = True)
if cmd == "":
return ""
cmd = cmd.strip()
cmdline = self._cmd.read_file("/proc/" + str(pid) + "/cmdline", no_error = True)
if cmdline == "":
return "[" + cmd + "]"
else:
return cmdline.replace("\0", " ").strip()
# Raises OSError, IOError
def _get_cmdline(self, process):
if not isinstance(process, procfs.process):
@ -414,9 +403,16 @@ class SchedulerPlugin(base.Plugin):
self._restore_ps_affinity()
def _add_pid(self, instance, pid, r):
cmd = self.get_process(pid)
# check to filter short living process
if cmd == "":
try:
cmd = self._get_cmdline(pid)
except (OSError, IOError) as e:
if e.errno == errno.ENOENT \
or e.errno == errno.ESRCH:
log.debug("Failed to get cmdline of PID %d, the task vanished."
% pid)
else:
log.error("Failed to get cmdline of PID %d: %s"
% (pid, e))
return
v = self._cmd.re_lookup(instance._sched_lookup, cmd, r)
if v is not None and not pid in self._scheduler_original: