pm2: don't crash if host is unknown

1 files changed, 3 insertions, 0 deletions

diff --git a/plot_pm2.py b/plot_pm2.py
index d53a6da..fd3270e 100755
--- a/plot_pm2.py
+++ b/plot_pm2.py
@@ -108,6 +108,9 @@ class CyclePlotter(defapp.App):
 
     def plot_preempt_migrate(self, datafile, name, conf):
         plots = self.setup_pmo_graphs(datafile, conf)
+        if plots is None:
+            print "Skipping %s..." % datafile
+            return
         for (tmp, xcol, ycol, yminus, tag) in plots:
             xtag = PMO_COL_LABEL[xcol][1]
             ytag = PMO_COL_LABEL[ycol][1]