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2026-05-02 - 10:57
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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 rack3slot0.osadl.org (updated Sat May 02, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2669099119118,1cyclictest41-21ksoftirqd/321:23:553
2668599920,91cyclictest2932-21kworker/2:221:23:542
106962810,0sleep00-21swapper/022:40:020
26670998031,49cyclictest0-21swapper/021:23:540
199302790,0sleep60-21swapper/623:11:156
161962790,2sleep62670799cyclictest21:37:296
115412720,1sleep51-21systemd22:32:225
26707997113,23cyclictest0-21swapper/621:23:556
2670399710,70cyclictest24620-21kworker/u16:521:23:555
192032700,1sleep319201-21sshd00:30:503
2617825327,9sleep40-21swapper/419:05:054
278972520,1sleep527898-21grep23:41:585
128202500,0sleep40-21swapper/423:22:194
92102480,0sleep49209-21sshd23:31:324
90762480,0sleep20-21swapper/221:44:372
69972470,1sleep36996-21sshd00:35:463
181982470,0sleep40-21swapper/421:26:214
293992460,0sleep40-21swapper/421:17:404
196212460,1sleep019597-21sshd23:03:410
82602450,1sleep126930-21kworker/1:400:07:331
82602450,1sleep126930-21kworker/1:400:07:331
48982450,1sleep44897-21sshd00:37:394
2638824530,11sleep70-21swapper/719:07:567
208282450,0sleep10-21swapper/123:17:031
185622450,1sleep318541-21bash21:31:573
304162440,0sleep70-21swapper/723:51:457
295742440,0sleep20-21swapper/223:08:072
295742440,0sleep20-21swapper/223:08:072
276862440,1sleep627666-21bash21:17:346
92312430,0sleep70-21swapper/700:30:147
203822430,0sleep30-21swapper/323:49:173
174392430,0sleep20-21swapper/221:41:172
229872420,1sleep522984-21bash00:38:455
19762420,2sleep52670399cyclictest20:19:365
27382410,1sleep12742-21grepconf.sh22:14:401
27382410,1sleep12742-21grepconf.sh22:14:401
2645124128,9sleep30-21swapper/319:08:493
204972410,0sleep50-21swapper/522:36:465
41092400,0sleep04106-21sshd22:37:460
284812400,0sleep6631rcuc/621:25:036
2667999400,40cyclictest29362-21kworker/1:521:23:561
2638224029,8sleep10-21swapper/119:07:501
2628524028,8sleep00-21swapper/019:06:290
2626924028,9sleep20-21swapper/219:06:152
2620624028,8sleep50-21swapper/519:05:305
101992400,0sleep00-21swapper/021:54:050
2626423926,9sleep60-21swapper/619:06:116
307852380,0sleep40-21swapper/423:04:254
105722380,0sleep50-21swapper/523:03:065
48712350,0sleep00-21swapper/023:21:510
26713993535,0cyclictest27446-21kworker/7:121:23:557
2669699346,27cyclictest0-21swapper/421:23:554
27352310,1sleep72734-21kill21:42:187
74722290,0sleep20-21swapper/223:38:592
29142210,0sleep30-21swapper/321:49:513
26690992018,1cyclictest41-21ksoftirqd/321:41:333
26690992014,3cyclictest41-21ksoftirqd/322:12:223
26690992012,4cyclictest464-21systemd-journal00:25:023
323522190,0sleep30-21swapper/300:18:323
307682190,1sleep730769-21grepconf.sh23:25:107
2669099197,2cyclictest41-21ksoftirqd/323:10:493
26690991916,1cyclictest41-21ksoftirqd/321:54:563
26690991915,3cyclictest41-21ksoftirqd/323:59:333
26690991914,3cyclictest464-21systemd-journal23:07:183
26690991914,3cyclictest464-21systemd-journal23:07:183
2669099188,2cyclictest41-21ksoftirqd/322:23:323
2669099188,2cyclictest41-21ksoftirqd/322:23:323
2669099187,1cyclictest41-21ksoftirqd/321:45:413
26690991816,1cyclictest464-21systemd-journal00:02:223
26690991816,1cyclictest41-21ksoftirqd/323:32:553
26690991815,2cyclictest41-21ksoftirqd/300:20:003
26690991815,1cyclictest41-21ksoftirqd/322:35:093
26690991815,1cyclictest41-21ksoftirqd/322:02:213
26690991814,3cyclictest41-21ksoftirqd/323:24:133
26690991814,3cyclictest41-21ksoftirqd/300:07:373
26690991814,3cyclictest41-21ksoftirqd/300:07:373
26690991812,4cyclictest41-21ksoftirqd/322:27:193
2669099181,3cyclictest41-21ksoftirqd/322:47:523
2669099176,2cyclictest41-21ksoftirqd/323:16:233
26690991715,1cyclictest41-21ksoftirqd/322:58:513
26690991715,1cyclictest41-21ksoftirqd/322:08:293
26690991715,1cyclictest41-21ksoftirqd/321:38:093
26690991714,3cyclictest41-21ksoftirqd/300:09:383
26690991714,2cyclictest41-21ksoftirqd/323:54:223
26690991713,4cyclictest41-21ksoftirqd/321:25:333
26690991711,4cyclictest41-21ksoftirqd/323:26:543
88652160,0sleep60-21swapper/622:13:096
43562160,0sleep50-21swapper/522:28:055
26713991611,4cyclictest18546-21sshd22:26:557
2670399160,0cyclictest0-21swapper/521:11:085
2669099165,1cyclictest41-21ksoftirqd/323:41:003
2669099162,2cyclictest131rcu_sched21:14:413
26690991614,1cyclictest41-21ksoftirqd/323:36:103
26690991614,1cyclictest41-21ksoftirqd/322:39:383
26690991614,1cyclictest41-21ksoftirqd/321:11:023
2667999160,11cyclictest8373-21systemd23:08:471
2667999160,11cyclictest8373-21systemd23:08:471
2667999160,0cyclictest0-21swapper/121:11:081
241172160,0sleep10-21swapper/121:49:171
2670799150,14cyclictest857-21polkitd22:50:536
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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