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2026-03-16 - 05:03
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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 Mon Mar 16, 2026 00:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
400392122940,3sleep04003922-21if_eth023:35:250
400141422760,4chrt4001411-21ntpq23:25:500
392984999275243,19cyclictest29-21kswapd000:35:220
400040822530,3sleep04000406-21uptime23:21:210
398613222520,3chrt3986129-21ntpq22:30:560
397674222520,2sleep03976740-21vmstat21:56:250
393627022500,3chrt3936268-21ls19:31:190
397444722490,3chrt3974449-21sort21:50:060
392984999246215,19cyclictest29-21kswapd000:31:030
397911622320,4chrt3979113-21ntpq22:05:460
399475622230,2sleep03994758-21switchtime23:01:190
400556422130,3sleep04005565-21gcc23:40:450
392984999209179,19cyclictest3999971-21kworker/u2:200:21:180
392984999204175,19cyclictest3951232-21kworker/u2:020:26:180
392984999204173,19cyclictest3929857-21kworker/u2:219:25:130
392984999202175,16cyclictest3958197-21kworker/u2:221:31:220
395538221980,2sleep03955385-21grep20:40:320
392984999198167,19cyclictest3929857-21kworker/u2:219:15:030
392984999197166,19cyclictest3999971-21kworker/u2:200:00:090
393704121950,3chrt3937039-21entropy19:35:210
392984999195166,19cyclictest3929857-21kworker/u2:219:16:170
392984999193166,16cyclictest3999971-21kworker/u2:200:00:070
397207821910,2sleep03972079-21netstat21:40:300
401396521900,3sleep04013966-21/usr/sbin/munin00:11:210
392984999190161,19cyclictest3945666-21kworker/u2:020:06:180
392984999190158,20cyclictest3929857-21kworker/u2:219:25:070
392984999189159,19cyclictest3945666-21kworker/u2:020:11:220
392984999189157,20cyclictest3938229-21kworker/u2:219:51:190
392984999188157,19cyclictest3958197-21kworker/u2:221:16:160
394098621870,3sleep03940988-21munin-run19:50:000
392984999186155,19cyclictest3995302-21kworker/u2:123:06:210
396352521850,4chrt3963523-21if_err_eth021:10:220
392984999184153,19cyclictest3978600-21kworker/u2:222:26:160
395415421830,2chrt22-21kcompactd020:36:090
392984999180149,19cyclictest3999971-21kworker/u2:223:31:210
392984999180149,19cyclictest3999971-21kworker/u2:200:05:120
392984999179147,20cyclictest3951232-21kworker/u2:020:35:070
400682221780,2sleep04006820-21memory23:45:290
392984999178149,18cyclictest3938229-21kworker/u2:219:41:170
392984999177147,18cyclictest3999971-21kworker/u2:200:30:050
392984999177145,20cyclictest3999971-21kworker/u2:200:15:110
394447921760,4chrt3944475-21ps20:01:160
392984999176146,19cyclictest3958197-21kworker/u2:221:25:030
392984999175136,27cyclictest3975805-21kworker/u2:122:01:220
400832921730,4chrt4008326-21ntpq23:50:430
392984999173142,19cyclictest3951232-21kworker/u2:020:50:070
392984999171142,19cyclictest3958197-21kworker/u2:220:51:200
392984999171141,19cyclictest3978600-21kworker/u2:222:20:080
392984999171141,18cyclictest3978600-21kworker/u2:222:15:040
392984999169139,19cyclictest3978600-21kworker/u2:222:45:060
392984999167137,19cyclictest3938229-21kworker/u2:220:00:050
392984999167136,19cyclictest3995302-21kworker/u2:123:15:060
399112821660,3chrt3991129-21sh22:50:020
392984999161131,19cyclictest3973030-21kworker/u2:021:55:030
392984999160133,18cyclictest3958197-21kworker/u2:220:56:240
392984999160130,18cyclictest3958197-21kworker/u2:221:00:090
392984999160130,18cyclictest3947201-21kworker/u2:220:20:490
392984999158130,18cyclictest3958197-21kworker/u2:221:30:030
392984999157126,19cyclictest3978600-21kworker/u2:222:36:140
392984999155125,18cyclictest3978600-21kworker/u2:223:00:080
392984999152121,20cyclictest3995302-21kworker/u2:123:15:460
392984999151121,19cyclictest3958197-21kworker/u2:221:10:030
392984999150120,19cyclictest3947201-21kworker/u2:220:16:160
392984999147120,18cyclictest3958197-21kworker/u2:221:35:090
392984999145115,19cyclictest3978600-21kworker/u2:222:55:060
392984999129100,18cyclictest3916559-21kworker/u2:019:10:070
39298499912495,18cyclictest3978600-21kworker/u2:222:21:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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