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2025-12-09 - 22:12
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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 Dec 09, 2025 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
495621710,2sleep02470299cyclictest10:39:240
1064421690,4sleep12470699cyclictest09:16:011
1958021510,3sleep20-21swapper/210:08:012
2817121410,3sleep22471499cyclictest10:28:452
2847021360,3sleep22471499cyclictest11:04:042
3029221330,1sleep12470699cyclictest10:48:281
1913821310,4sleep12470699cyclictest11:28:441
493421260,1sleep10-21swapper/112:25:391
1673821190,4sleep32471899cyclictest09:20:083
1001321160,2sleep010001-21sshd12:06:390
2382121130,0sleep00-21swapper/007:05:220
24154210132,40sleep30-21swapper/307:06:063
10912980,2sleep30-21swapper/309:25:213
162922950,1sleep20-21swapper/212:07:172
174382940,1sleep00-21swapper/011:54:400
17902920,0sleep22471499cyclictest11:33:252
283252910,2sleep30-21swapper/310:28:463
187222880,2sleep118718-21bash09:40:461
145752880,2sleep30-21swapper/311:57:243
39062870,3sleep30-21swapper/311:53:153
307362870,2sleep230735-21bash11:52:412
2420628635,47sleep10-21swapper/107:06:441
154502850,0sleep00-21swapper/009:16:330
188502830,2sleep218849-21sshd10:56:472
74612820,2sleep30-21swapper/309:43:053
248882820,2sleep124885-21sshd10:54:161
16282820,2sleep21848-21nfsd11:46:482
148282820,2sleep30-21swapper/310:33:513
146772820,1sleep20-21swapper/211:05:492
227972810,2sleep10-21swapper/111:48:561
9302800,1sleep20-21swapper/211:13:572
327082800,3sleep12470699cyclictest10:12:371
212842800,2sleep10-21swapper/110:44:191
119572790,1sleep20-21swapper/209:16:102
166912780,0sleep00-21swapper/010:07:430
293332770,1sleep229332-21sshd10:18:502
151222770,1sleep00-21swapper/010:43:420
70952750,5sleep32471899cyclictest11:27:303
144962750,0sleep00-21swapper/011:25:060
4752740,2sleep32471899cyclictest11:20:213
4752740,2sleep32471899cyclictest11:20:203
20462740,1sleep30-21swapper/310:55:113
79212720,4sleep32471899cyclictest10:10:103
248522710,5sleep32471899cyclictest10:47:543
31012700,1sleep30-21swapper/311:17:243
314222690,2sleep10-21swapper/110:38:501
182792670,4sleep32471899cyclictest12:27:013
259222660,3sleep12470699cyclictest12:34:251
103762630,2sleep110356-21sshd10:55:531
102142610,0sleep00-21swapper/012:35:560
149022550,1sleep10-21swapper/111:57:251
286802520,49sleep2135650irq/27-eth010:51:262
2470299500,3cyclictest8232-21sshd09:36:140
2470299490,1cyclictest0-21swapper/012:14:280
242962498,11sleep20-21swapper/207:07:532
127812490,0sleep112780-21sshd11:40:591
2470299480,1cyclictest3020-21id10:55:150
2470299470,3cyclictest10452-21sshd10:03:470
2470299453,39cyclictest0-21swapper/009:24:490
2470299442,40cyclictest8415-21sshd11:02:030
24702994410,19cyclictest1959-21sshd09:59:370
2470299440,3cyclictest10566-21sshd11:11:430
2470299440,2cyclictest0-21swapper/011:41:430
2470299440,1cyclictest1959-21sshd11:05:220
2470299430,2cyclictest25507-21id10:21:430
2470299430,2cyclictest1847-21nfsd09:11:340
2470299420,3cyclictest19083-21sshd12:30:270
2470299420,31cyclictest0-21swapper/010:11:280
2470299420,2cyclictest0-21swapper/009:31:010
2470299410,2cyclictest0-21swapper/010:48:020
2470299410,1cyclictest1847-21nfsd12:26:180
2470299403,33cyclictest1848-21nfsd12:21:070
2470299400,3cyclictest30615-21sshd09:48:490
2470299400,3cyclictest1847-21nfsd11:30:370
2470299400,3cyclictest0-21swapper/012:00:060
2470299400,2cyclictest29163-21sshd10:54:420
2470299400,2cyclictest1847-21nfsd10:33:110
2470299400,2cyclictest1006-21sshd11:46:450
2470299400,29cyclictest0-21swapper/011:58:210
157792400,38sleep3135650irq/27-eth011:02:493
2470299392,3cyclictest670-21sshd09:28:460
2470299390,2cyclictest1848-21nfsd12:19:450
2470299390,2cyclictest1847-21nfsd11:16:370
2470299360,33cyclictest0-21swapper/009:50:120
2470299360,2cyclictest16716-21sshd11:38:140
2470299360,1cyclictest0-21swapper/011:21:050
2470299360,1cyclictest0-21swapper/011:21:050
2470299350,4cyclictest928-21sshd10:15:500
2470299350,3cyclictest1846-21nfsd10:25:040
2470299340,1cyclictest1846-21nfsd09:41:050
62152330,4sleep12470699cyclictest11:01:511
24714993228,2cyclictest0-21swapper/209:48:352
260792310,29sleep3135650irq/27-eth012:01:453
24718993126,4cyclictest23603-21cp09:10:473
24718992826,1cyclictest0-21swapper/311:48:333
24718992815,4cyclictest10950irq/23-ehci_hcd12:20:253
258312260,2sleep225830-21bash10:11:542
24714992623,1cyclictest0-21swapper/209:12:002
31972250,3sleep30-21swapper/310:22:453
20852251,22sleep1135650irq/27-eth010:02:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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