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2026-01-01 - 15:39
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack8slot4.osadl.org (updated Thu Jan 01, 2026 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28435542221188,21sleep40-21swapper/407:05:194
28436822219167,41sleep20-21swapper/207:07:112
28458072218166,41sleep70-21swapper/707:09:497
28436332217162,19sleep00-21swapper/007:06:290
28435422212184,18sleep10-21swapper/107:05:091
28436742208176,20sleep30-21swapper/307:07:043
28458052206174,21sleep50-21swapper/507:09:465
28437042203174,18sleep60-21swapper/607:07:306
284607699490,24cyclictest0-21swapper/708:33:507
2846076994543,1cyclictest0-21swapper/708:10:027
284605699440,43cyclictest0-21swapper/008:10:020
284606499360,31cyclictest201rcu_preempt11:20:013
284606399340,29cyclictest3001482-21munin-run11:55:022
2846074993331,1cyclictest0-21swapper/609:20:016
284607699323,29cyclictest16450irq/4-ttyS010:50:027
284606399320,31cyclictest0-21swapper/207:38:172
284607699310,2cyclictest2974285-21apt11:05:017
284607199310,30cyclictest2874474-21cat08:00:015
2846063993128,2cyclictest369-21systemd-journal12:05:022
2846063993126,4cyclictest0-21swapper/209:03:132
2846063993126,1cyclictest681-21dbus-daemon09:25:002
2846063993124,1cyclictest0-21swapper/211:20:012
284606399310,30cyclictest2896555-21apt-get08:43:152
284605999310,29cyclictest0-21swapper/107:23:131
284607699300,2cyclictest0-21swapper/707:28:137
284607199300,29cyclictest2955794-21apt-get10:33:145
284607199300,29cyclictest2936939-21apt-get09:58:155
284607199300,29cyclictest2865752-21apt07:45:025
2846064993028,1cyclictest0-21swapper/309:15:003
284606499300,29cyclictest369-21systemd-journal10:00:013
284606499300,29cyclictest2846569-21apt-get07:13:133
284606399300,29cyclictest2963303-21unin-run10:45:022
284606399300,29cyclictest2963303-21unin-run10:45:012
284606399300,29cyclictest0-21swapper/209:35:012
284606399300,29cyclictest0-21swapper/208:35:002
2846059993028,1cyclictest0-21swapper/109:13:141
2846059993027,3cyclictest0-21swapper/108:03:121
2846076992927,1cyclictest3012496-21sh12:15:017
284607699290,28cyclictest0-21swapper/712:33:157
284607699290,28cyclictest0-21swapper/707:45:027
284607499290,1cyclictest3017905-21turbostat.cron12:25:016
284607499290,1cyclictest2983278-21http11:23:136
284607499290,1cyclictest0-21swapper/609:00:016
284607199290,29cyclictest2922842-21idleruntime-cro09:30:015
284607199290,28cyclictest0-21swapper/509:53:135
284606999290,28cyclictest2928229-21munin-run09:40:004
284606999290,28cyclictest0-21swapper/409:25:014
2846064992928,1cyclictest0-21swapper/310:55:013
2846064992928,1cyclictest0-21swapper/310:55:013
2846064992928,1cyclictest0-21swapper/309:28:153
2846064992927,1cyclictest3010458-21http12:13:143
2846064992927,1cyclictest0-21swapper/312:30:013
284606499290,29cyclictest0-21swapper/307:28:143
284606499290,28cyclictest0-21swapper/311:38:133
284606499290,28cyclictest0-21swapper/309:03:153
284606499290,28cyclictest0-21swapper/308:53:123
2846063992927,1cyclictest2991341-21apt-get11:38:132
2846063992927,1cyclictest2895645-21munin-run08:40:002
2846063992927,1cyclictest0-21swapper/212:35:012
284606399290,28cyclictest0-21swapper/212:40:012
284606399290,28cyclictest0-21swapper/212:28:152
284606399290,28cyclictest0-21swapper/212:00:022
284606399290,28cyclictest0-21swapper/211:43:142
284606399290,28cyclictest0-21swapper/209:58:162
2846059992927,1cyclictest2966840-21chrt10:53:161
2846059992927,1cyclictest2966840-21chrt10:53:161
2846059992927,1cyclictest0-21swapper/110:45:011
2846059992927,1cyclictest0-21swapper/110:45:011
2846059992926,2cyclictest2936303-21dump-pmu-power09:55:001
284605999290,28cyclictest0-21swapper/107:58:131
284605999290,28cyclictest0-21swapper/107:48:121
284605999290,28cyclictest0-21swapper/107:30:011
2846056992927,1cyclictest2958487-21apt-get10:38:160
2846056992927,1cyclictest0-21swapper/012:25:060
2846056992926,2cyclictest3006901-21awk12:05:020
284605699290,28cyclictest0-21swapper/012:33:150
284605699290,1cyclictest0-21swapper/008:38:150
2846076992828,0cyclictest0-21swapper/708:48:147
284607699280,1cyclictest2846569-21apt-get07:13:147
284607699280,0cyclictest0-21swapper/710:23:137
2846074992827,1cyclictest2901927-21apt-get08:53:136
2846074992827,1cyclictest1-21systemd11:40:026
2846074992827,1cyclictest0-21swapper/611:00:026
284607499280,27cyclictest0-21swapper/609:28:146
284607499280,0cyclictest0-21swapper/610:18:146
2846071992827,1cyclictest0-21swapper/512:38:155
2846071992827,1cyclictest0-21swapper/510:43:145
2846071992827,1cyclictest0-21swapper/510:43:145
2846071992826,1cyclictest2942335-21apt-get10:08:165
284607199280,28cyclictest0-21swapper/508:40:015
284607199280,28cyclictest0-21swapper/508:05:015
284607199280,27cyclictest0-21swapper/507:53:125
2846069992828,0cyclictest0-21swapper/407:38:164
2846069992827,1cyclictest0-21swapper/410:58:154
284606999280,27cyclictest0-21swapper/409:28:144
284606999280,1cyclictest0-21swapper/411:40:014
284606999280,0cyclictest0-21swapper/410:13:134
2846064992828,0cyclictest0-21swapper/308:58:143
2846064992828,0cyclictest0-21swapper/308:23:153
2846064992827,1cyclictest1299424-21cups-browsed08:00:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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