[checkmk-commits] Check_MK Git: check_mk: FIX: get_average(): Gracefully handle time anomlies of target systems

Module: check_mk Branch: master Commit: 349c1498e4ac472606166234f3f7e4fdba8399ff URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=349c1498e4ac47… Author: Mathias Kettner &lt;mk(a)mathias-kettner.de&gt; Date: Fri Jul 5 11:44:23 2013 +0200 FIX: get_average(): Gracefully handle time anomlies of target systems --- ChangeLog | 3 +++ modules/check_mk_base.py | 5 +++++ 2 files changed, 8 insertions(+) diff --git a/ChangeLog b/ChangeLog index b41fc78..874340b 100644 --- a/ChangeLog +++ b/ChangeLog @@ -233,6 +233,9 @@ 1.2.2p3: + Core: + * FIX: get_average(): Gracefully handle time anomlies of target systems + Checks & Agents: * FIX: winperf_processor: fix case where CPU percent is exactly 100% * FIX: blade_powerfan: fix mixup of default levels 50/40 -> 40/50 diff --git a/modules/check_mk_base.py b/modules/check_mk_base.py index 19e07df..dd67c78 100644 --- a/modules/check_mk_base.py +++ b/modules/check_mk_base.py @@ -825,6 +825,11 @@ def get_average(itemname, this_time, this_val, backlog_minutes, initialize_zero last_time, last_val = g_counters.get(itemname) timedif = this_time - last_time + # Gracefully handle time-anomaly of target systems. We loose + # one value, but what then heck.. + if timedif < 0: + timedif = 0 + # Compute the weight: We do it like this: First we assume that # we get one sample per minute. And that backlog_minutes is the number # of minutes we should average over. Then we want that the weight