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2026-08-16 - 13:07
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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 rack5slot0.osadl.org (updated Sun Aug 16, 2026 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1563521440,3sleep2440799cyclictest00:10:572
392021380,1sleep00-21swapper/023:52:440
847221320,0sleep38454-21sshd21:14:253
1228521290,3sleep0440599cyclictest00:19:220
2076321240,4sleep1440699cyclictest22:38:511
3911210432,44sleep30-21swapper/319:07:013
50982990,2sleep20-21swapper/221:30:592
60342950,0sleep00-21swapper/023:06:510
217242920,1sleep30-21swapper/323:48:343
195562920,4sleep2440799cyclictest21:43:532
42522880,3sleep34251-21sshd23:29:423
381928824,52sleep10-21swapper/119:06:021
263432880,2sleep126342-21bash00:23:301
263432880,2sleep126342-21bash00:23:301
205752880,3sleep10-21swapper/123:16:381
31622870,2sleep23155-21bash22:10:392
302182870,2sleep30-21swapper/321:50:283
220572870,3sleep00-21swapper/022:33:050
38122850,2sleep23795-21sshd23:09:332
309332850,2sleep030923-21sshd22:51:280
196242850,1sleep019621-21sshd00:14:160
290272840,2sleep10-21swapper/123:34:541
24062820,2sleep32405-21sshd22:02:103
112212820,2sleep10-21swapper/121:37:111
326252800,17sleep1144650irq/27-eth022:42:441
324052800,2sleep232394-21sshd21:59:122
306462800,2sleep330642-21sshd21:44:593
192122800,0sleep00-21swapper/021:23:510
308412790,2sleep10-21swapper/100:26:481
400927831,11sleep20-21swapper/219:08:162
319122780,1sleep20-21swapper/223:29:182
294592780,2sleep10-21swapper/123:29:041
312192770,2sleep30-21swapper/322:54:403
326322760,3sleep2440799cyclictest22:57:352
268022740,2sleep12512-21runrttasks21:30:091
42262690,1sleep30-21swapper/300:21:253
42262690,1sleep30-21swapper/300:21:243
308532680,3sleep2440799cyclictest00:09:342
212932670,2sleep121269-21sshd21:15:301
256752660,2sleep10-21swapper/121:52:571
125262640,2sleep212510-21sshd23:39:072
78422610,4sleep3440899cyclictest22:28:593
78422610,4sleep3440899cyclictest22:28:593
208525832,23sleep00-21swapper/019:05:080
214432340,3sleep321431-21sshd23:37:013
103732321,29sleep1144650irq/27-eth000:30:421
303902310,4sleep2440799cyclictest23:43:332
209052310,1sleep02024-21nfsd23:13:520
125782290,2sleep10-21swapper/123:59:191
86232270,2sleep30-21swapper/321:36:563
440799263,22cyclictest22331-21sshd21:18:302
215702260,2sleep321565-21sshd00:31:433
198642260,2sleep119856-21sshd21:55:151
135542260,23sleep1144650irq/27-eth022:52:551
184462250,0sleep00-21swapper/022:24:070
176912240,2sleep30-21swapper/322:44:303
440599231,21cyclictest22990-21sshd23:34:200
254672230,3sleep0440599cyclictest00:23:260
254672230,3sleep0440599cyclictest00:23:250
164052230,1sleep00-21swapper/023:45:100
137882230,1sleep10-21swapper/122:32:181
293442220,1sleep00-21swapper/022:48:280
262772220,2sleep026274-21bash21:15:570
126592220,20sleep3144650irq/27-eth022:20:183
54212210,2sleep30-21swapper/323:55:403
440799215,3cyclictest9253-21sshd21:45:502
440799214,3cyclictest16883-21sshd00:16:492
440799210,3cyclictest25-21rcuop/121:27:342
29882210,19sleep2144650irq/27-eth022:25:382
29882210,19sleep2144650irq/27-eth022:25:372
440599208,8cyclictest18747-21sshd00:37:140
188202200,2sleep318819-21nfsd421:15:203
123552200,2sleep212354-21sshd23:18:552
440899196,11cyclictest7181-21sshd00:18:543
440799193,14cyclictest7074-21bash00:30:232
38212190,1sleep03802-21sshd21:13:580
121962190,17sleep228950irq/26-ahci[00021:37:172
440899184,9cyclictest44-21ksoftirqd/321:20:213
440899181,5cyclictest12681-21sshd22:08:433
440899180,12cyclictest0-21swapper/300:29:393
440799184,13cyclictest17887-21sshd21:52:162
440799183,13cyclictest31366-21sshd00:20:562
440799183,13cyclictest31366-21sshd00:20:562
440799183,10cyclictest24822-21sshd22:33:222
440799182,1cyclictest0-21swapper/223:03:262
440799182,14cyclictest22863-21bash23:45:392
440699180,6cyclictest14962-21sshd00:19:361
440699180,17cyclictest7571-21sshd23:47:151
440599180,7cyclictest14230-21sshd23:19:070
308892180,16sleep1144650irq/27-eth000:06:361
120572180,16sleep1144650irq/27-eth021:40:091
51202170,2sleep10-21swapper/122:49:171
440899178,5cyclictest27804-21sshd23:05:533
440899178,4cyclictest11619-21sshd21:57:213
440899178,4cyclictest11482-21sshd23:15:473
440899176,6cyclictest16340-21sshd21:49:233
440899172,6cyclictest12861-21sshd21:34:353
4408991713,3cyclictest14889-21bash22:35:253
4408991711,4cyclictest15367-21sshd00:10:553
440899170,12cyclictest13312-21sshd22:32:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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