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2026-06-14 - 18:30
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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 Sun Jun 14, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1908991090,108cyclictest11819-21kworker/6:211:32:246
2955821050,2sleep7191699cyclictest11:01:157
190899867,40cyclictest1-21systemd10:25:536
173422860,0sleep217606-21kworker/u16:110:20:262
190899790,0cyclictest0-21swapper/609:40:486
186399680,67cyclictest16820-21sshd09:40:471
1900996548,16cyclictest22346-21kworker/5:011:32:255
189199580,57cyclictest31732-21kworker/4:109:40:484
185399580,57cyclictest7146-21kworker/u16:409:40:470
1900995712,45cyclictest85250irq/26-em1-tx-010:25:535
82332540,1sleep0859-21gdbus12:20:220
38412530,0sleep30-21swapper/309:58:483
186399520,51cyclictest16377-21kworker/1:111:32:251
144702500,1sleep014448-21sshd10:26:000
153024924,8sleep40-21swapper/407:05:374
99922480,1sleep49985-21sshd09:27:174
76512480,0sleep70-21swapper/710:12:227
69872480,0sleep70-21swapper/709:25:127
3163724826,8sleep00-21swapper/007:03:090
250082480,0sleep2758-21runrttasks11:31:382
291072470,0sleep40-21swapper/411:27:484
145822470,0sleep2859-21gdbus10:52:372
58152460,0sleep00-21swapper/012:10:450
314702460,1sleep731466-21sshd11:35:517
237532460,1sleep1464-21systemd-journal10:03:431
218142460,0sleep60-21swapper/610:58:426
203812460,1sleep220382-21grepconf.sh11:02:392
104142460,1sleep610413-21grepconf.sh12:05:146
313932450,0sleep00-21swapper/011:47:300
207432450,0sleep30-21swapper/309:52:233
207432450,0sleep30-21swapper/309:52:233
174922450,0sleep30-21swapper/308:28:233
130624431,8sleep70-21swapper/707:03:247
301442430,0sleep70-21swapper/712:25:337
191699430,42cyclictest12444-21sshd10:25:537
135772430,0sleep70-21swapper/709:55:407
77732420,0sleep30-21swapper/309:40:143
310232420,0sleep40-21swapper/412:00:474
257132420,0sleep325714-21grepconf.sh10:32:203
1871994242,0cyclictest5694-21kworker/2:309:40:482
139412420,0sleep70-21swapper/712:03:317
293482410,0sleep40-21swapper/412:25:304
274762410,0sleep00-21swapper/011:16:220
248642400,0sleep50-21swapper/510:55:055
210572400,0sleep40-21swapper/409:52:244
210572400,0sleep40-21swapper/409:52:244
159332400,1sleep015934-21sshd12:07:320
158224028,9sleep20-21swapper/207:06:232
101912400,0sleep30-21swapper/310:21:553
28292390,0sleep00-21swapper/010:48:110
1881993915,23cyclictest12430-21sshd10:25:533
145623927,8sleep60-21swapper/607:04:356
137323927,8sleep30-21swapper/307:03:283
274602380,0sleep60-21swapper/611:27:416
147323827,8sleep50-21swapper/507:04:505
137123827,8sleep10-21swapper/107:03:261
251722350,0sleep40-21swapper/410:41:504
1871993535,0cyclictest2033-21kworker/2:010:25:532
188199330,32cyclictest5880-21sshd11:32:253
12832330,0sleep41280-21sshd09:54:574
30712320,0sleep50-21swapper/512:16:185
186399320,31cyclictest17606-21kworker/u16:110:25:521
1853992623,2cyclictest5918-21id11:32:250
191699242,17cyclictest0-21swapper/711:32:247
1900992310,3cyclictest57-21ksoftirqd/509:44:195
189199230,0cyclictest0-21swapper/410:25:524
1891992220,1cyclictest22603-21kworker/u16:511:32:254
1900992115,4cyclictest57-21ksoftirqd/511:47:575
1900992113,3cyclictest57-21ksoftirqd/509:18:185
1916992019,1cyclictest0-21swapper/709:40:487
190099208,1cyclictest57-21ksoftirqd/511:37:505
190099207,3cyclictest57-21ksoftirqd/511:00:195
1900992016,1cyclictest57-21ksoftirqd/511:42:215
1900992015,3cyclictest57-21ksoftirqd/509:50:465
1900992015,3cyclictest57-21ksoftirqd/509:50:465
1900992014,3cyclictest57-21ksoftirqd/512:32:475
1900992010,1cyclictest57-21ksoftirqd/510:11:525
190099198,1cyclictest57-21ksoftirqd/510:28:485
190099197,3cyclictest57-21ksoftirqd/511:13:505
190099197,1cyclictest57-21ksoftirqd/511:26:275
190099197,1cyclictest57-21ksoftirqd/511:05:585
190099195,3cyclictest57-21ksoftirqd/511:12:105
190099193,2cyclictest57-21ksoftirqd/510:43:195
190099193,2cyclictest57-21ksoftirqd/510:43:195
1900991916,3cyclictest57-21ksoftirqd/511:57:415
1900991916,3cyclictest57-21ksoftirqd/510:34:015
1900991915,2cyclictest57-21ksoftirqd/512:10:565
1900991915,1cyclictest57-21ksoftirqd/510:13:015
1900991915,1cyclictest57-21ksoftirqd/510:06:065
1900991912,4cyclictest57-21ksoftirqd/509:13:535
116442190,1sleep7663-21in:imjournal10:29:367
235882180,0sleep50-21swapper/509:31:515
190099187,3cyclictest57-21ksoftirqd/509:13:005
190099187,3cyclictest57-21ksoftirqd/509:13:005
190099185,1cyclictest57-21ksoftirqd/512:06:555
190099185,1cyclictest57-21ksoftirqd/510:38:115
190099184,3cyclictest57-21ksoftirqd/512:33:095
190099183,15cyclictest0-21swapper/509:40:475
190099182,1cyclictest57-21ksoftirqd/510:18:165
1900991817,1cyclictest57-21ksoftirqd/509:23:215
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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