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2026-03-19 - 22:14
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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 792 highest latencies:
System rack3slot2.osadl.org (updated Thu Mar 19, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
146556399285222,53cyclictest29-21kswapd007:41:020
149904022700,4chrt1499039-21cron09:10:010
147112422690,2sleep01471126-21sh07:30:010
153193322670,4chrt1531934-21cat11:06:190
153312922590,3chrt1533098-21ntp_states11:11:130
153528222510,2chrt22-21kcompactd011:20:020
151760522430,2chrt1517593-21ntpq10:15:340
147863122360,3chrt1478619-21ntpq07:55:370
146556399221192,19cyclictest29-21kswapd007:45:220
146556399216185,19cyclictest1486969-21kworker/u2:108:40:040
155649922120,2sleep01556501-21latency12:35:250
146556399208178,19cyclictest1524664-21kworker/u2:111:00:030
146556399206176,19cyclictest1510823-21kworker/u2:109:55:050
146556399202172,18cyclictest1510823-21kworker/u2:110:05:030
146556399202172,18cyclictest1500991-21kworker/u2:109:40:050
146556399199169,18cyclictest1486969-21kworker/u2:109:00:080
146556399199160,26cyclictest1473766-31find07:38:470
148588221970,2sleep01485883-21/usr/sbin/munin08:21:160
146556399196164,19cyclictest1500991-21kworker/u2:109:45:030
146556399193163,19cyclictest1500991-21kworker/u2:109:30:060
146556399192162,19cyclictest1539464-21kworker/u2:312:10:020
146556399192161,20cyclictest1476983-21kworker/u2:208:05:060
146556399190162,18cyclictest1515771-21kworker/u2:010:30:070
146556399190160,18cyclictest1486969-21kworker/u2:108:45:080
146556399190158,22cyclictest1485146-21kworker/u2:008:20:080
151302421890,3chrt1513025-21latency_hist10:00:070
146556399189158,19cyclictest1476983-21kworker/u2:207:55:040
146556399187159,18cyclictest1465572-21kworker/u2:107:25:070
146556399187157,18cyclictest1524664-21kworker/u2:110:55:030
154122721860,3chrt1540951-21/usr/sbin/munin11:40:240
151024121830,2sleep01510242-21date09:50:070
146556399182153,18cyclictest1524664-21kworker/u2:111:05:070
146556399182152,19cyclictest1500991-21kworker/u2:109:20:040
146556399181152,18cyclictest1486969-21kworker/u2:108:50:040
146556399180150,18cyclictest1486969-21kworker/u2:108:55:080
146556399178138,18cyclictest1539464-21kworker/u2:311:46:170
146556399177147,18cyclictest1486969-21kworker/u2:109:05:040
146556399176147,17cyclictest1532919-21kworker/u2:011:26:170
146556399176145,19cyclictest1465572-21kworker/u2:107:31:170
146556399176145,19cyclictest1465572-21kworker/u2:107:15:030
146556399175144,19cyclictest1532919-21kworker/u2:011:21:160
155110721740,4chrt1551095-21ntpq12:15:460
146556399174145,19cyclictest1462775-21kworker/u2:007:10:030
146556399174145,18cyclictest1510823-21kworker/u2:110:10:050
146556399174143,19cyclictest1523171-21kworker/u2:210:40:130
146556399173144,18cyclictest1539464-21kworker/u2:312:00:000
154718121720,3chrt1547182-21mailstats12:01:160
146556399172142,18cyclictest1476983-21kworker/u2:208:10:060
146556399172141,19cyclictest1552445-21kworker/u2:212:30:080
146556399170140,19cyclictest1500991-21kworker/u2:109:25:020
146556399170127,19cyclictest1548257-21kworker/u2:112:10:370
146556399169140,18cyclictest1538076-21kworker/u2:211:40:040
146556399169140,17cyclictest1486969-21kworker/u2:108:35:060
146556399169138,19cyclictest1532919-21kworker/u2:011:35:000
146556399168139,19cyclictest1500991-21kworker/u2:109:35:040
146556399167137,19cyclictest1498158-21kworker/u2:209:15:060
146556399167136,20cyclictest1515771-21kworker/u2:010:15:030
146556399166138,18cyclictest1515771-21kworker/u2:010:21:190
146556399165136,18cyclictest1486969-21kworker/u2:108:30:060
146556399164135,18cyclictest1524664-21kworker/u2:110:50:070
146556399163135,18cyclictest1554774-21kworker/u2:012:31:160
146556399161131,18cyclictest1539464-21kworker/u2:311:55:060
146556399159129,19cyclictest1552445-21kworker/u2:212:20:360
146556399159129,19cyclictest1523171-21kworker/u2:210:36:190
146556399158130,17cyclictest1465572-21kworker/u2:107:20:030
146556399154123,19cyclictest1481395-21kworker/u2:008:10:320
146556399152121,19cyclictest1521343-21kworker/u2:110:30:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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