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2025-11-25 - 11:00
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rackcslot6.osadl.org (updated Tue Nov 25, 2025 00:46:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22607752136118,16sleep30-21swapper/319:05:163
22620882135117,16sleep60-21swapper/619:05:286
226099921080,10sleep549-21ksoftirqd/519:05:185
23641472870,0sleep40-21swapper/421:30:004
226304899872,55cyclictest0-21swapper/020:58:130
2263089998615,39cyclictest0-21swapper/523:53:135
25356182850,0sleep50-21swapper/523:45:145
2263097998315,37cyclictest0-21swapper/622:43:136
2263089998217,35cyclictest0-21swapper/522:08:135
25832612810,0sleep20-21swapper/200:24:212
25832612810,0sleep20-21swapper/200:24:212
2263089998115,40cyclictest0-21swapper/520:03:125
2263089998115,40cyclictest0-21swapper/520:03:125
25711922800,0sleep52571191-21sh00:14:545
2263097998015,35cyclictest0-21swapper/623:38:136
226271828043,30sleep10-21swapper/119:07:481
2263089997815,40cyclictest0-21swapper/523:18:135
25182282770,1sleep763-21ksoftirqd/723:30:277
2263089997714,34cyclictest0-21swapper/519:13:135
2263089997618,36cyclictest0-21swapper/520:48:135
22862052720,0sleep00-21swapper/019:45:120
22951762710,1sleep7621rcuc/720:00:007
216999700,45rtkit-daemon0-21swapper/019:06:320
226263826843,12sleep70-21swapper/719:06:427
226282326748,13sleep40-21swapper/419:09:204
226175126746,13sleep20-21swapper/219:05:242
2263097996317,35cyclictest0-21swapper/600:23:136
2263097996317,35cyclictest0-21swapper/600:23:136
2263048994415,28cyclictest0-21swapper/020:38:130
2263048994317,26cyclictest0-21swapper/021:08:130
2263048994316,27cyclictest0-21swapper/000:13:130
2263048994314,29cyclictest0-21swapper/022:28:130
2263089994011,14cyclictest2476565-21ssh22:58:125
2263056993411,0cyclictest0-21swapper/119:47:591
226309799339,24cyclictest0-21swapper/623:41:596
226308299320,32cyclictest0-21swapper/400:29:424
226305699328,24cyclictest0-21swapper/100:36:591
226309799317,24cyclictest0-21swapper/619:36:596
226309799305,24cyclictest0-21swapper/623:33:596
226309799300,0cyclictest0-21swapper/621:30:016
2263082992914,15cyclictest0-21swapper/419:43:134
2263066992912,16cyclictest0-21swapper/221:53:132
226305699295,24cyclictest0-21swapper/120:47:591
2263048992913,15cyclictest0-21swapper/021:18:130
226309799284,24cyclictest0-21swapper/621:19:596
226306699284,24cyclictest0-21swapper/223:39:592
226305699284,24cyclictest0-21swapper/123:05:591
2263048992812,15cyclictest0-21swapper/022:38:130
2263097992711,15cyclictest0-21swapper/622:13:136
2263089992711,9cyclictest0-21swapper/523:08:135
226304899273,24cyclictest0-21swapper/021:20:590
226304899273,24cyclictest0-21swapper/019:56:590
226309799262,24cyclictest0-21swapper/622:00:596
2263097992614,1cyclictest0-21swapper/621:38:136
2263089992610,15cyclictest0-21swapper/523:43:125
2263056992626,0cyclictest0-21swapper/100:06:001
2263056992610,15cyclictest0-21swapper/120:18:121
226304899262,24cyclictest0-21swapper/023:04:580
2263082992524,1cyclictest2107-21gnome-shell23:51:594
226304899251,24cyclictest0-21swapper/020:19:590
226309799248,15cyclictest0-21swapper/621:03:136
2263097992423,1cyclictest2107-21gnome-shell23:52:586
2263097992423,1cyclictest2107-21gnome-shell00:38:596
226308999240,24cyclictest0-21swapper/500:09:585
226308299240,23cyclictest0-21swapper/423:27:594
226305699248,15cyclictest0-21swapper/120:28:131
226304899248,15cyclictest0-21swapper/022:48:130
226304899248,15cyclictest0-21swapper/000:33:120
226304899240,24cyclictest0-21swapper/019:22:590
226304899240,0cyclictest0-21swapper/023:08:580
26015802230,0sleep549-21ksoftirqd/500:38:415
2263105992322,1cyclictest2107-21gnome-shell22:09:597
2263097992323,0cyclictest0-21swapper/620:37:596
226308299237,15cyclictest0-21swapper/423:48:134
2263082992322,1cyclictest2107-21gnome-shell20:37:594
2263082992322,1cyclictest2107-21gnome-shell19:37:594
2263074992321,1cyclictest2107-21gnome-shell23:50:583
226306699237,15cyclictest0-21swapper/221:28:122
2263066992322,1cyclictest0-21swapper/223:20:282
226309799226,15cyclictest0-21swapper/621:48:136
226308999226,15cyclictest0-21swapper/521:13:135
2263082992221,1cyclictest2107-21gnome-shell23:43:594
2263082992221,1cyclictest2107-21gnome-shell20:58:584
2263048992221,1cyclictest2107-21gnome-shell22:12:590
226304899220,17cyclictest2552584-21/usr/sbin/munin00:00:000
2263105992120,1cyclictest2107-21gnome-shell23:00:597
226309799215,15cyclictest0-21swapper/623:23:136
226308299216,13cyclictest0-21swapper/420:53:134
2263082992120,1cyclictest2107-21gnome-shell19:20:584
2263074992121,0cyclictest0-21swapper/319:13:133
2263074992120,1cyclictest0-21swapper/322:09:593
2263066992121,0cyclictest0-21swapper/200:16:052
216999210,0rtkit-daemon0-21swapper/422:54:334
25646242200,0sleep40-21swapper/400:09:254
24809432200,0sleep10-21swapper/123:00:331
2263105992019,1cyclictest2107-21gnome-shell22:40:587
2263105992019,1cyclictest2107-21gnome-shell21:59:597
226308999205,14cyclictest0-21swapper/522:33:135
226308999204,15cyclictest0-21swapper/523:33:125
2263089992019,1cyclictest2107-21gnome-shell00:20:595
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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