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2026-08-11 - 02:32
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack7slot2.osadl.org (updated Tue Aug 11, 2026 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
400875599944,32cyclictest4016406-21apt-get19:40:100
4008755999183,6cyclictest4140756-21kworker/u4:5+events_unbound23:02:450
4008755997867,8cyclictest4158692-21kworker/u4:16+events_unbound23:27:500
4008756997769,6cyclictest4096334-21kworker/u4:1+events_unbound22:20:011
4008756997629,29cyclictest0-21swapper/122:30:371
4008756997624,29cyclictest0-21swapper/122:45:421
4008755997669,5cyclictest4175871-21kworker/u4:3+events_unbound00:02:530
4008756997568,4cyclictest0-21swapper/121:40:351
4008756997532,25cyclictest0-21swapper/121:35:301
4008755997465,7cyclictest4087193-21kworker/u4:1+events_unbound22:02:380
4008755997465,7cyclictest4055913-21kworker/u4:4+events_unbound21:52:360
4008755997462,9cyclictest53-21kswapd022:20:120
4008756997223,31cyclictest0-21swapper/100:35:121
400875699702,16cyclictest4121528-21ssh22:40:331
4008756996926,26cyclictest0-21swapper/121:20:351
4008756996635,29cyclictest4192295-21find00:00:421
4008755996659,4cyclictest53-21kswapd023:35:110
4008755996651,9cyclictest4045704-21switchtime21:15:420
4008756996534,29cyclictest4058719-21kernelversion21:30:271
4008756996534,28cyclictest4057803-21ssh21:30:011
4008756996532,31cyclictest4143928-21switchtime23:05:391
4008755996557,6cyclictest4016364-21kworker/u4:16+xprtiod20:25:190
400875699644,20cyclictest4160499-21ssh23:25:151
4008756996343,18cyclictest4008753-21cyclictest20:00:451
400875699634,15cyclictest1721-21apt-get00:05:161
400875699634,15cyclictest1721-21apt-get00:05:151
4008756996331,28cyclictest0-21swapper/123:56:161
4008756996325,35cyclictest0-21swapper/122:20:501
400875699624,19cyclictest4130453-21ssh22:50:381
4008756996233,27cyclictest19404-21aten_r7power_vo00:25:151
4008756996230,29cyclictest4011020-21threads19:15:411
400875699621,54cyclictest4165729-21ntpq23:30:351
4008755996253,6cyclictest4166225-21/usr/sbin/munin23:30:430
400875599622,49cyclictest11355-21rm00:15:380
400875599622,49cyclictest11355-21rm00:15:370
400875699614,22cyclictest4152326-21ntpq23:15:271
4008756996138,20cyclictest4116953-21/usr/sbin/munin22:35:251
4008755996153,6cyclictest4100912-21kworker/u4:0+events_unbound22:37:420
4008755996153,6cyclictest4022852-21kworker/u4:6+events_unbound20:37:250
4008755996136,22cyclictest25650irq/23-42890000.ethernet21:00:210
4008756996045,9cyclictest4011248-21kworker/u4:10-rpciod19:30:181
4008756996045,9cyclictest4011248-21kworker/u4:10-rpciod19:30:181
4008756996027,27cyclictest0-21swapper/100:35:011
400875699602,14cyclictest4179039-21ssh23:45:391
4008755996046,10cyclictest53-21kswapd022:55:110
400875699599,46cyclictest4045516-21ssh21:15:401
4008756995929,28cyclictest7134-21switchtime00:10:391
4008756995927,28cyclictest0-21swapper/122:15:011
4008756995926,30cyclictest4081666-21timerandwakeup21:55:371
400875699592,19cyclictest4076948-21ntpq21:50:341
400875699592,15cyclictest4018508-21ntpq19:45:251
4008755995945,9cyclictest4039753-21diskmemload23:45:170
400875699584,7cyclictest4032739-21ntpq20:40:261
400875699584,12cyclictest14899-21apt-get00:20:151
400875699583,17cyclictest11313-21ssh00:15:361
400875699583,17cyclictest11313-21ssh00:15:361
400875699583,13cyclictest4148174-21ps23:10:361
4008756995829,26cyclictest0-21swapper/120:20:201
4008756995828,27cyclictest0-21swapper/121:45:171
4008756995828,26cyclictest0-21swapper/122:55:261
4008755995850,6cyclictest4153551-21kworker/u4:11+events_unbound23:17:480
400875599583,28cyclictest23705-21apt00:30:120
400875699573,50cyclictest4156815-21ntpq23:20:291
400875699573,15cyclictest4174431-21ntpq23:40:301
4008756995729,25cyclictest0-21swapper/123:00:261
400875699572,8cyclictest4041004-21ps21:10:371
4008756995721,32cyclictest4024182-21dpkg20:10:011
400875699571,11cyclictest4015295-21apt-get19:35:091
400875699562,6cyclictest4034008-21ntpq20:45:261
4008756995623,28cyclictest0-21swapper/119:15:011
4008756995622,31cyclictest0-21swapper/120:30:421
400875699562,16cyclictest4108048-21ssh22:25:221
400875699562,15cyclictest4090312-21ssh22:05:291
400875699561,13cyclictest4035307-21ntpq20:50:271
4008755995648,6cyclictest4175871-21kworker/u4:3+events_unbound23:42:510
4008755995641,12cyclictest4187351-21if_err_eth023:55:190
4008755995610,37cyclictest4081348-21ssh21:55:290
400875699553,12cyclictest4182431-21apt-get23:50:111
4008756995523,29cyclictest0-21swapper/122:01:161
400875699551,7cyclictest4169305-21apt-get23:35:171
400875699551,14cyclictest4019441-21diskstats19:50:181
400875699551,13cyclictest4031478-21ntpq20:35:281
4008755995544,9cyclictest317-21systemd-journal21:32:320
4008755995543,8cyclictest53-21kswapd022:10:010
400875699544,6cyclictest4024954-21ntpq20:10:301
400875699542,7cyclictest4021114-21ntpq19:55:301
400875699542,5cyclictest4037943-21ntpq21:00:381
400875699542,14cyclictest4012088-21ntpq19:20:321
400875699542,13cyclictest4016364-21kworker/u4:16+xprtiod20:25:101
4008755995445,6cyclictest4015618-21fschecks_time19:35:170
400875699533,7cyclictest4007474-21kworker/u4:1+xprtiod19:40:131
4008756995320,30cyclictest0-21swapper/121:10:011
4008755995346,5cyclictest4091767-21kworker/u4:2+events_unbound22:10:030
4008755995345,6cyclictest4098839-21/usr/sbin/munin22:15:180
4008755995344,7cyclictest4069637-21kworker/u4:10+events_unbound21:42:340
400875699522,5cyclictest4026258-21ntpq20:15:291
400875699522,10cyclictest4012756-21apt-get19:25:111
4008755995244,5cyclictest4072527-21/usr/sbin/munin21:45:380
4008755995234,15cyclictest4011292-21sh19:20:010
4008755995232,17cyclictest0-21swapper/021:20:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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