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2026-03-11 - 11:02
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack3slot2.osadl.org (updated Wed Mar 11, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
155043022550,3chrt1550432-21wc00:15:070
154120822500,3chrt1541092-21/usr/sbin/munin23:40:220
153677522130,3sleep01536778-21munin-plugin-st23:25:000
146575499204174,19cyclictest1545619-21kworker/u2:100:06:190
146575499202172,20cyclictest1485268-21kworker/u2:221:15:040
146575499200171,19cyclictest1515894-21kworker/u2:022:30:210
146575499197167,19cyclictest1554535-21kworker/u2:200:36:190
146575499189157,20cyclictest1485268-21kworker/u2:220:35:060
146575499188155,22cyclictest1546684-21munin-node00:00:140
146575499187157,19cyclictest1485268-21kworker/u2:220:46:170
146575499186155,20cyclictest1485268-21kworker/u2:220:30:080
147757921830,4chrt1477581-21proc_pri19:51:150
146575499183152,19cyclictest1485268-21kworker/u2:221:26:190
146575499182154,18cyclictest1515894-21kworker/u2:022:55:060
146575499182151,19cyclictest1554535-21kworker/u2:200:30:310
146575499181151,19cyclictest1527420-21kworker/u2:123:01:170
146575499180151,20cyclictest1461546-21kworker/u2:219:31:180
146575499179149,20cyclictest1485268-21kworker/u2:220:45:060
146575499179149,19cyclictest1485268-21kworker/u2:220:51:180
146575499178148,19cyclictest1538616-21kworker/u2:223:36:210
146575499176146,19cyclictest1461546-21kworker/u2:219:10:030
146575499176144,20cyclictest1461546-21kworker/u2:219:26:180
147499621750,3sleep01474997-21timerandwakeup19:41:200
146575499175145,19cyclictest1550352-21kworker/u2:000:30:030
146575499174144,18cyclictest1485268-21kworker/u2:220:21:190
146575499174143,20cyclictest1473128-21kworker/u2:119:45:400
150944021730,4chrt1509437-21ntpq21:45:420
146575499173143,19cyclictest1545619-21kworker/u2:100:00:010
146575499173143,19cyclictest1527420-21kworker/u2:123:11:170
153725421710,4chrt1537251-21ntpq23:25:370
148036321710,2sleep01480364-21/usr/sbin/munin20:01:150
146575499171142,18cyclictest1473128-21kworker/u2:120:15:060
146575499171140,20cyclictest1515894-21kworker/u2:022:41:130
146575499170141,18cyclictest1515894-21kworker/u2:022:36:190
146575499170140,19cyclictest1485268-21kworker/u2:221:40:040
146575499170139,20cyclictest1547578-21kworker/u2:200:15:390
146575499170139,19cyclictest1461546-21kworker/u2:219:11:200
155225021690,4chrt1552251-21gcc00:20:410
149522921690,4chrt1495228-21/usr/sbin/munin20:55:210
146575499169140,18cyclictest1473128-21kworker/u2:119:40:080
146575499169139,18cyclictest1515894-21kworker/u2:022:20:510
146575499169138,20cyclictest1515894-21kworker/u2:022:26:130
146575499168137,20cyclictest1485268-21kworker/u2:221:35:040
146575499167136,20cyclictest1473128-21kworker/u2:120:15:460
146575499165134,20cyclictest1485268-21kworker/u2:221:06:230
151669321640,3chrt1516694-21mailstats22:11:180
146575499164136,19cyclictest1511725-21kworker/u2:221:56:170
146575499164134,20cyclictest1473128-21kworker/u2:119:55:350
146575499164134,19cyclictest1511725-21kworker/u2:222:05:060
146575499163133,19cyclictest1507552-21kworker/u2:021:45:060
146575499161130,19cyclictest1515894-21kworker/u2:022:55:140
146575499160131,19cyclictest1485268-21kworker/u2:221:15:460
146575499157126,20cyclictest1461546-21kworker/u2:219:15:380
146575499157124,20cyclictest1473128-21kworker/u2:120:05:130
146575499155127,19cyclictest1538616-21kworker/u2:223:31:210
146575499155126,19cyclictest1515894-21kworker/u2:022:50:030
146575499155124,19cyclictest1461546-21kworker/u2:219:20:460
146575499154124,19cyclictest1485268-21kworker/u2:221:21:150
146575499154123,19cyclictest1511725-21kworker/u2:222:05:120
146575499149121,18cyclictest1485268-21kworker/u2:220:36:290
146575499148120,19cyclictest1538616-21kworker/u2:223:51:160
146575499147118,19cyclictest1527420-21kworker/u2:123:15:470
146575499147117,19cyclictest1527420-21kworker/u2:123:05:390
146575499146115,20cyclictest1507552-21kworker/u2:021:50:350
146575499145116,18cyclictest1517717-21kworker/u2:122:16:210
146575499143113,19cyclictest1538616-21kworker/u2:223:46:210
146575499135104,20cyclictest1485268-21kworker/u2:221:01:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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