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2026-08-11 - 04:03
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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 Aug 11, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2029621460,1sleep020197-21sshd23:28:570
283921240,0sleep22838-21bash00:37:042
2230221150,1sleep00-21swapper/023:14:410
412421120,1sleep12869399cyclictest23:53:541
1815621110,2sleep118154-21sshd21:50:021
2708729832,44sleep10-21swapper/119:05:151
271842960,1sleep20-21swapper/222:30:552
279202920,2sleep127898-21sshd00:10:211
238422910,2sleep323835-21sshd22:47:593
179812890,1sleep20-21swapper/222:21:102
34462880,3sleep20-21swapper/221:45:512
122422860,4sleep32870299cyclictest22:20:383
106752850,2sleep210673-21sshd22:11:562
2826828432,48sleep30-21swapper/319:07:503
206722840,2sleep20-21swapper/221:10:122
29672830,2sleep20-21swapper/222:40:142
267482820,2sleep226747-21sshd23:12:122
262222820,0sleep226216-21sshd23:20:402
296172800,3sleep20-21swapper/223:50:152
251702800,2sleep30-21swapper/321:39:223
299572790,2sleep20-21swapper/223:47:272
111342790,1sleep011115-21sshd21:15:230
108012790,2sleep110803-21sshd23:37:081
308772780,2sleep10-21swapper/122:54:561
304572780,5sleep20-21swapper/200:27:582
148772780,1sleep314865-21sshd23:54:573
100262780,2sleep210022-21bash21:26:312
9742770,1sleep10-21swapper/122:22:331
287622770,2sleep10-21swapper/121:34:031
4572750,4sleep20-21swapper/222:28:312
36502750,2sleep30-21swapper/321:45:523
181912740,2sleep20-21swapper/223:05:312
55562730,1sleep00-21swapper/022:29:010
162092730,2sleep116206-21sshd00:26:401
96102700,3sleep22869899cyclictest22:37:562
215232690,1sleep20-21swapper/200:12:432
68362680,0sleep00-21swapper/021:54:420
301522680,1sleep030150-21sshd00:25:080
111782660,4sleep32870299cyclictest00:35:013
2843926133,11sleep20-21swapper/219:09:572
277172610,2sleep10-21swapper/122:30:581
35672590,3sleep32870299cyclictest23:21:353
2844325832,4sleep00-21swapper/019:09:590
107392420,0sleep110740-21bash23:16:321
8462410,1sleep00-21swapper/000:16:340
235562370,2sleep20-21swapper/221:36:212
326402320,2sleep032621-21sshd22:37:070
207432320,0sleep00-21swapper/023:20:150
91742300,3sleep39167-21sshd22:26:033
2868999302,3cyclictest4222-21sshd22:17:110
28689992910,6cyclictest28344-21sshd23:50:110
201262270,25sleep3144650irq/27-eth022:53:533
302982260,2sleep330292-21sshd23:56:123
2868999266,15cyclictest7929-21rm22:49:370
208332260,24sleep3144650irq/27-eth023:38:023
132982262,22sleep3144650irq/27-eth022:32:373
8872250,1sleep0876-21sshd22:31:290
299642250,3sleep20-21swapper/222:45:232
296972250,2sleep229696-21sshd21:34:082
60242240,0sleep00-21swapper/000:05:320
316932240,2sleep32023-21nfsd00:05:033
2869899246,9cyclictest21052-21sshd23:17:262
219662241,21sleep3144650irq/27-eth021:13:223
199312240,22sleep3144650irq/27-eth022:01:243
109542240,1sleep00-21swapper/022:20:310
2869899237,3cyclictest29796-21sshd23:59:072
268452230,2sleep126840-21bash22:19:121
116642230,2sleep10-21swapper/121:35:191
28689992212,6cyclictest32062-21sshd21:25:340
245502220,19sleep3144650irq/27-eth023:17:463
208132220,2sleep120811-21bash22:47:411
2869899215,3cyclictest9488-21sshd23:34:072
2869899215,3cyclictest22798-21bash23:02:592
2868999218,12cyclictest2024-21nfsd21:42:270
2868999218,11cyclictest14735-21sshd22:53:200
2868999215,14cyclictest18257-21bash22:09:500
2868999214,15cyclictest20403-21sshd21:33:190
28689992113,4cyclictest2132-21sshd00:10:120
226792210,2sleep122678-21bash00:35:551
289862201,17sleep1144650irq/27-eth023:00:251
2869899204,3cyclictest8394-21sshd21:17:592
2869399200,14cyclictest0-21swapper/123:55:111
2868999205,14cyclictest21325-21sshd23:17:280
2868999201,5cyclictest533-21sshd23:06:510
28689992011,5cyclictest2021-21nfsd00:39:500
256432200,2sleep325630-21sshd23:06:123
230452200,2sleep323044-21id22:44:523
106272200,18sleep3144650irq/27-eth023:31:003
43082190,2sleep30-21swapper/321:34:463
309602190,0sleep2321ktimersoftd/223:29:582
2870299199,8cyclictest0-21swapper/321:20:213
28702991911,6cyclictest13748-21sshd00:14:573
28702991910,2cyclictest5683-21sshd22:37:363
2869899194,8cyclictest2024-21nfsd22:51:492
2869899194,3cyclictest7340-21bash22:00:192
2869399191,12cyclictest10247-21bash00:20:171
2869399191,12cyclictest10247-21bash00:20:171
2868999196,12cyclictest31793-21sshd23:44:480
2868999195,12cyclictest2100-21snmpd21:55:130
2868999195,12cyclictest1135-21sshd21:14:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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