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2025-11-28 - 11:05
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack6slot0.osadl.org (updated Fri Nov 28, 2025 01:00:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2014399253249,2cyclictest0-21swapper/2019:46:4813
2014399253249,2cyclictest0-21swapper/2019:46:4813
2014399248223,8cyclictest0-21swapper/2022:20:1913
2014399248223,8cyclictest0-21swapper/2022:20:1913
2015399229209,8cyclictest21722-21NetworkChangeNo00:35:1820
2015399229209,8cyclictest21722-21NetworkChangeNo00:35:1820
2015399229209,8cyclictest21722-21NetworkChangeNo00:35:1820
20172992275,209cyclictest15982-21CPU32
20172992275,209cyclictest15982-21CPU32
2014399222195,19cyclictest31703-21NetworkChangeNo21:10:1913
2014399222195,19cyclictest31703-21NetworkChangeNo21:10:1913
2014399222195,19cyclictest31703-21NetworkChangeNo21:10:1913
2014399219199,18cyclictest0-21swapper/2022:35:2013
2014399219199,18cyclictest0-21swapper/2022:35:2013
20125992187,187cyclictest15980-21CPU39
20125992187,187cyclictest15980-21CPU39
2014399213197,11cyclictest0-21swapper/2023:35:1813
2014399213197,11cyclictest0-21swapper/2023:35:1713
2014399213197,11cyclictest0-21swapper/2023:35:1713
201409921365,123cyclictest4908-21CPU9
201409921365,123cyclictest4908-21CPU9
20140992113,75cyclictest15980-21CPU9
20140992113,75cyclictest15980-21CPU9
20140992113,75cyclictest15980-21CPU9
201449920986,99cyclictest0-21swapper/2119:50:2014
201449920986,99cyclictest0-21swapper/2119:50:2014
20160992081,3cyclictest0-21swapper/3323:50:2227
20160992081,3cyclictest0-21swapper/3323:50:2227
2015899208200,3cyclictest0-21swapper/3100:00:2125
2015899208200,3cyclictest0-21swapper/3100:00:2125
2014199207201,3cyclictest0-21swapper/1800:00:1510
2014199207201,3cyclictest0-21swapper/1800:00:1510
2011399207177,22cyclictest15225-21inotify_reader20:40:1912
2011399207177,22cyclictest15225-21inotify_reader20:40:1912
201279920236,162cyclictest8153-21inotify_reader21:20:182
201279920236,162cyclictest8153-21inotify_reader21:20:182
2013699201186,13cyclictest0-21swapper/1422:12:426
2013699201186,13cyclictest0-21swapper/1422:12:426
2014399200178,4cyclictest0-21swapper/2020:55:1913
2014399200178,4cyclictest0-21swapper/2020:55:1913
2011999200149,36cyclictest0-21swapper/621:34:0136
2011999200149,36cyclictest0-21swapper/621:34:0136
20139991993,185cyclictest36915-21inotify_reader00:05:198
20139991993,185cyclictest36915-21inotify_reader00:05:198
20139991993,185cyclictest36915-21inotify_reader00:05:188
20127991981,190cyclictest38085-21TaskSchedulerSi19:45:162
20127991981,190cyclictest38085-21TaskSchedulerSi19:45:162
2014399197179,11cyclictest9591-21TaskSchedulerSi19:55:1913
2014399197179,11cyclictest9591-21TaskSchedulerSi19:55:1813
2011999196166,21cyclictest0-21swapper/621:51:1536
2011999196166,21cyclictest0-21swapper/621:51:1536
20139991940,191cyclictest0-21swapper/1619:10:408
20139991940,191cyclictest0-21swapper/1619:10:408
201299919410,180cyclictest15660-21NetworkChangeNo22:50:184
201299919410,180cyclictest15660-21NetworkChangeNo22:50:184
2012199194179,11cyclictest0-21swapper/700:03:2237
2012199194179,11cyclictest0-21swapper/700:03:2237
2015299193178,10cyclictest0-21swapper/2623:31:4719
2015299193178,10cyclictest0-21swapper/2623:31:4719
2015299193178,10cyclictest0-21swapper/2623:31:4719
2014499193133,42cyclictest4634-21CPU14
2014499193133,42cyclictest4634-21CPU14
2014499193133,42cyclictest4634-21CPU14
2014399192168,8cyclictest28355-21tune2fs20:30:2013
2014399192168,8cyclictest28355-21tune2fs20:30:2013
20140991921,154cyclictest0-21swapper/1723:05:199
20140991921,154cyclictest0-21swapper/1723:05:199
20140991921,154cyclictest0-21swapper/1723:05:199
2011999191142,38cyclictest0-21swapper/621:47:2136
2011999191142,38cyclictest0-21swapper/621:47:2136
2011999191142,38cyclictest0-21swapper/621:47:2136
2013999190101,76cyclictest0-21swapper/1623:45:198
2013999190101,76cyclictest0-21swapper/1623:45:198
2013999190101,76cyclictest0-21swapper/1623:45:198
2010899190177,11cyclictest0-21swapper/023:33:470
2010899190177,11cyclictest0-21swapper/023:33:470
2010899190177,11cyclictest0-21swapper/023:33:460
2014399189167,14cyclictest0-21swapper/2021:20:0113
2014399189167,14cyclictest0-21swapper/2021:20:0113
2014399189166,14cyclictest0-21swapper/2020:25:2413
2014399189166,14cyclictest0-21swapper/2020:25:2313
201199918975,108cyclictest0-21swapper/622:40:2136
201199918975,108cyclictest0-21swapper/622:40:2136
20129991882,170cyclictest11903-21CPU4
20129991882,170cyclictest11903-21CPU4
201189918828,154cyclictest19014-21NetworkChangeNo22:50:1935
201189918828,154cyclictest19014-21NetworkChangeNo22:50:1935
20140991870,174cyclictest0-21swapper/1721:15:209
20140991870,174cyclictest0-21swapper/1721:15:209
2011999187149,22cyclictest0-21swapper/621:29:4636
2011999187149,22cyclictest0-21swapper/621:29:4636
2011999187112,64cyclictest30925-21inotify_reader19:50:2036
2011999187112,64cyclictest30925-21inotify_reader19:50:2036
2015699186144,12cyclictest171rcu_preempt22:16:1824
2015699186144,12cyclictest171rcu_preempt22:16:1824
2015699186144,12cyclictest171rcu_preempt22:16:1824
201549918610,62cyclictest0-21swapper/2822:55:2021
201549918610,62cyclictest0-21swapper/2822:55:1921
201199918613,77cyclictest20479-21inotify_reader19:20:2236
201199918613,77cyclictest20479-21inotify_reader19:20:2236
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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