Signed-off-by: Scott Mayhew <smayhew@xxxxxxxxxx>
---
tools/mountstats/mountstats.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/mountstats/mountstats.py b/tools/mountstats/mountstats.py
index 729e01c..3419c7a 100644
--- a/tools/mountstats/mountstats.py
+++ b/tools/mountstats/mountstats.py
@@ -586,7 +586,7 @@ def print_iostat_summary(old, new, devices, time):
for device in devices:
stats = DeviceData()
stats.parse_stats(new[device])
- if not old:
+ if not old or device not in old:
stats.display_iostats(time)
else:
old_stats = DeviceData()
--
1.9.3
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