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2026-03-07 - 14:07
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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 highest latencies:
System rack3slot2.osadl.org (updated Sat Mar 07, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
393875999281222,49cyclictest29-21kswapd007:36:210
398524622610,4chrt3985234-21ntpq09:55:380
397139822530,2sleep03971397-21awk09:05:520
402386622520,2sleep04023869-21wc12:15:070
399056622490,2sleep03990567-21/usr/sbin/munin10:15:200
401629422460,3sleep04016297-21sed11:46:200
397768322340,3chrt3977682-21sshd09:29:040
402600422250,4chrt4026005-21switchtime12:21:180
393875999206174,20cyclictest3948579-21kworker/u2:007:46:240
399403822010,2sleep03994039-21ls10:26:220
393875999201169,20cyclictest3994993-21kworker/u2:010:46:270
393875999197166,19cyclictest3936470-21kworker/u2:107:16:180
393875999196166,18cyclictest3983872-21kworker/u2:010:05:050
393875999192162,20cyclictest29-21kswapd007:40:210
393875999191160,19cyclictest3954148-21kworker/u2:209:35:040
393875999187155,20cyclictest3954148-21kworker/u2:208:45:080
400484321860,3chrt4004841-21ntpq11:05:570
400291721840,2sleep04002919-21latency_hist11:00:070
393875999184155,19cyclictest4018199-21kworker/u2:112:06:190
393875999183154,19cyclictest3994993-21kworker/u2:010:51:170
393875999183152,19cyclictest3983872-21kworker/u2:010:15:040
394574021800,4chrt1-21systemd07:35:040
393875999180151,18cyclictest3954148-21kworker/u2:208:31:180
393875999179149,19cyclictest4027052-21kworker/u2:212:35:060
393875999178147,19cyclictest3936470-21kworker/u2:107:15:030
398249921770,4chrt3982498-21awk09:45:410
393875999177149,18cyclictest3994993-21kworker/u2:010:45:060
393875999177138,27cyclictest3948579-21kworker/u2:007:50:100
393875999176146,19cyclictest3954148-21kworker/u2:208:40:030
393875999176145,19cyclictest4004278-21kworker/u2:011:15:040
393875999175144,19cyclictest3954148-21kworker/u2:209:11:200
393875999175143,19cyclictest3979688-21kworker/u2:109:45:030
399516821740,3chrt3995162-21ntp_states10:31:170
393875999174145,17cyclictest4002308-21kworker/u2:111:00:330
393875999174144,18cyclictest4007541-21kworker/u2:211:20:040
393875999174142,20cyclictest3948579-21kworker/u2:008:00:050
396706221730,3chrt3967063-21missed_timers08:50:310
395458721720,3chrt3954584-21ntpq08:05:310
393875999172141,20cyclictest3994993-21kworker/u2:010:40:070
393875999171141,19cyclictest3954148-21kworker/u2:208:50:050
402024521700,4chrt4020242-21ntpq12:01:100
393875999170140,19cyclictest3954148-21kworker/u2:208:20:040
401450021680,3chrt4014499-21ld11:40:350
393875999167137,19cyclictest3983872-21kworker/u2:010:06:180
393875999167137,19cyclictest3954148-21kworker/u2:209:20:060
394338721660,3chrt3943386-21/usr/sbin/munin07:25:310
402964821650,4chrt4029646-21/usr/sbin/munin12:35:260
396998221650,4chrt3969981-21ld09:00:470
394202821650,3chrt3942025-21ntpq07:20:360
393875999165137,18cyclictest4015875-21kworker/u2:011:50:100
395604221640,4chrt3956040-21ld08:10:440
393875999164134,18cyclictest3954148-21kworker/u2:208:26:180
393875999161130,19cyclictest3948579-21kworker/u2:008:00:550
393875999158129,18cyclictest3954148-21kworker/u2:208:21:190
393875999157129,17cyclictest3981999-21kworker/u2:209:55:040
393875999157127,19cyclictest4009853-21kworker/u2:111:40:040
393875999156126,18cyclictest3936470-21kworker/u2:107:10:070
393875999155125,19cyclictest4018199-21kworker/u2:112:00:020
393875999155123,21cyclictest4007541-21kworker/u2:211:20:540
393875999154125,18cyclictest3954148-21kworker/u2:209:00:020
393875999153123,19cyclictest3954148-21kworker/u2:209:25:030
393875999151123,19cyclictest3979688-21kworker/u2:109:36:180
393875999150121,19cyclictest4027052-21kworker/u2:212:30:060
393875999146118,18cyclictest4009853-21kworker/u2:111:30:120
393875999145117,18cyclictest3983872-21kworker/u2:010:21:210
393875999145117,17cyclictest4018199-21kworker/u2:112:20:040
393875999140111,18cyclictest4007541-21kworker/u2:211:26:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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