commit a41a48dfabb7a3b699d6dbdb5b9ba000cfbc8282
author Brendan Jackman <brendan.jackman@arm.com> Tue Mar 21 16:24:41 2017 +0000
committer Brendan Jackman <bjackman@users.noreply.github.com> Fri Mar 31 17:54:51 2017 +0100
tree 44a10b041ea024f1ee4b8b3ec539912a32f70943
parent 0dc1f2e231bcbc744664a1e0dd96aa7150a606af

libs/utils/energy: Slightly improve error for missing hwmon channel

libs/utils/energy.py

diff --git a/libs/utils/energy.py b/libs/utils/energy.py
index 57fbde7..9e78f45 100644
--- a/libs/utils/energy.py
+++ b/libs/utils/energy.py
@@ -195,6 +195,10 @@
         # Reformat data for output generation
         clusters_nrg = {}
         for channel in self._channels:
+            if channel not in nrg:
+                raise RuntimeError('hwmon channel "{}" not available. '
+                                   'Selected channels: {}'.format(
+                                       channel, nrg.keys()))
             label = self._channels[channel]
             nrg_total = nrg[label]['total']
             self._log.debug('Energy [%16s]: %.6f', label, nrg_total)