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misc/cpu-watcher.tac: tolerate disk-full errors when writing the pickle, and pickle corruption from earlier disk-full errors

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This commit is contained in:
Brian Warner 2008-12-05 15:54:12 -07:00
parent 21d88a0cba
commit 6ec352fe92
1 changed files with 6 additions and 3 deletions
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9
misc/cpu-watcher.tac
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@ -104,7 +104,7 @@ class CPUWatcher(service.MultiService, resource.Resource, Referenceable):
resource.Resource.__init__(self)
try:
self.history = pickle.load(open("history.pickle", "rb"))
except EnvironmentError:
except:
self.history = {}
self.current = []
self.observers = set()
@ -199,8 +199,11 @@ class CPUWatcher(service.MultiService, resource.Resource, Referenceable):
except:
log.msg("error reading process %s (%s), ignoring" % (pid, name))
log.err()
pickle.dump(self.history, open("history.pickle.tmp", "wb"))
os.rename("history.pickle.tmp", "history.pickle")
try:
pickle.dump(self.history, open("history.pickle.tmp", "wb"))
os.rename("history.pickle.tmp", "history.pickle")
except:
pass
for (pid, name) in processes:
row = [name]
for avg in self.AVERAGES: