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2026-09-08 - 15:10
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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 Tue Sep 08, 2026 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2522821330,1sleep325227-21sshd11:38:253
522921210,2sleep35224-21sshd10:55:413
2415421180,1sleep10-21swapper/109:43:581
2362621180,0sleep023625-21bash09:29:350
1722329832,48sleep30-21swapper/307:09:153
199802920,2sleep319977-21sshd11:04:433
202292900,1sleep10-21swapper/111:41:391
1728929030,56sleep10-21swapper/107:09:571
254002890,1sleep20-21swapper/210:02:022
144002890,2sleep10-21swapper/110:19:291
238712880,5sleep20-21swapper/210:57:492
150302870,3sleep31752899cyclictest12:37:283
84192850,2sleep20-21swapper/211:54:442
55672850,4sleep11751899cyclictest11:10:421
64072830,2sleep36399-21sshd10:45:043
157472820,3sleep30-21swapper/309:46:363
15532810,1sleep30-21swapper/310:29:523
141552810,2sleep20-21swapper/211:19:122
120462810,2sleep112041-21if_err_eth009:35:161
122872800,0sleep00-21swapper/012:02:460
104882800,1sleep20-21swapper/210:30:442
103722800,2sleep20-21swapper/211:03:302
82392780,1sleep18226-21sshd11:22:081
142042780,3sleep11751899cyclictest10:27:181
30532770,1sleep00-21swapper/009:38:000
148522770,2sleep10-21swapper/110:23:251
66812760,3sleep30-21swapper/309:20:203
293272730,1sleep10-21swapper/110:32:511
148552720,4sleep31752899cyclictest11:07:553
148552720,4sleep31752899cyclictest11:07:553
41072700,3sleep30-21swapper/312:25:103
184652700,0sleep218466-21id10:12:122
115032680,2sleep10-21swapper/111:18:511
168562650,1sleep00-21swapper/010:05:010
10902640,1sleep20-21swapper/209:19:512
215762630,4sleep31752899cyclictest12:11:523
1729025933,9sleep20-21swapper/207:09:582
1701525532,20sleep00-21swapper/007:06:430
1751199331,2cyclictest2024-21nfsd11:10:160
1751199315,24cyclictest29208-21sshd10:25:110
1751199310,21cyclictest16048-21sshd12:11:140
1751199304,2cyclictest6228-21sshd11:32:400
1751199300,4cyclictest6694-21sshd11:06:540
1751199300,4cyclictest6694-21sshd11:06:530
110022300,5sleep31752899cyclictest11:33:123
34382290,4sleep30-21swapper/310:40:383
1751199290,5cyclictest2132-21sshd09:15:170
1751199283,11cyclictest792-21id11:02:200
1751199281,4cyclictest0-21swapper/010:12:340
1751199281,2cyclictest0-21swapper/011:46:450
255672270,3sleep20-21swapper/212:31:022
207992270,2sleep320798-21bash10:35:213
1751199270,21cyclictest0-21swapper/010:03:000
260722260,4sleep20-21swapper/210:09:362
1751199268,12cyclictest17546-21sshd10:46:100
1751199261,3cyclictest0-21swapper/008:00:110
1751199260,4cyclictest2023-21nfsd11:40:340
1751199260,4cyclictest13966-21sshd10:19:250
1751199260,3cyclictest7086-21sshd10:55:540
1751199260,24cyclictest6159-21sshd09:20:170
1751199260,14cyclictest0-21swapper/009:11:190
86332250,23sleep228950irq/26-ahci[00011:25:402
248132250,23sleep1144650irq/27-eth009:18:551
233322250,4sleep20-21swapper/211:12:432
214732250,1sleep20-21swapper/211:37:562
207132250,23sleep328950irq/26-ahci[00009:25:183
203612250,2sleep320360-21sshd11:23:313
1751199253,2cyclictest29870-21sshd11:17:050
1751199253,2cyclictest27248-21sshd12:20:010
1751199252,12cyclictest4616-21sshd10:40:480
1751199251,3cyclictest873-21sshd11:50:160
1751199250,4cyclictest0-21swapper/012:26:530
1751199250,4cyclictest0-21swapper/012:18:430
1751199250,4cyclictest0-21swapper/010:21:070
14332250,2sleep10-21swapper/109:48:511
97342241,21sleep2144650irq/27-eth009:45:522
275042240,1sleep00-21swapper/009:58:480
252532241,21sleep1144650irq/27-eth010:54:201
1751199246,9cyclictest12057-21sshd10:37:570
1751199243,2cyclictest15223-21sshd11:26:230
1751199241,4cyclictest0-21swapper/012:35:590
1751199241,4cyclictest0-21swapper/012:05:100
1751199241,4cyclictest0-21swapper/009:50:180
1751199241,3cyclictest0-21swapper/011:22:500
1751199240,4cyclictest9668-21sshd12:32:590
1751199240,4cyclictest9430-21sshd11:36:290
1751199240,4cyclictest28682-21sshd10:50:510
1751199240,4cyclictest11633-21sshd09:31:440
1751199240,4cyclictest0-21swapper/009:47:010
1751199240,4cyclictest0-21swapper/009:42:000
1751199240,1cyclictest10554-21sshd10:30:440
277122230,2sleep20-21swapper/212:20:042
212702230,3sleep22066-21nscd09:43:392
1752399230,10cyclictest2088-21snmpd12:38:432
1751199231,4cyclictest0-21swapper/008:50:190
1751199231,2cyclictest0-21swapper/008:20:160
1751199230,4cyclictest0-21swapper/011:55:010
1751199230,2cyclictest19601-21crond07:15:000
251912220,2sleep30-21swapper/311:27:313
237182220,2sleep11751899cyclictest11:27:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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