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2026-03-20 - 20:49
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot2.osadl.org (updated Fri Mar 20, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13605792960,1sleep71360580-21sh12:30:527
624687996360,2cyclictest1242052-21kworker/u16:0+events_unbound12:23:404
624687996360,2cyclictest1242052-21kworker/u16:0+events_unbound12:23:404
624694996058,2cyclictest1299894-21kworker/u16:2+events_unbound12:18:566
62435825747,7sleep50-21swapper/507:02:585
62409925646,7sleep60-21swapper/606:59:146
624698995450,2cyclictest1122884-21perl10:53:407
62431925343,7sleep40-21swapper/407:02:254
624694995249,2cyclictest986393-21kworker/u16:2+events_unbound11:33:406
624687995250,2cyclictest799801-21kworker/u16:3+events_unbound11:49:004
624694995048,2cyclictest586822-21kworker/u16:2+events_unbound07:08:526
624687994947,2cyclictest986393-21kworker/u16:2+flush-8:010:53:554
624687994947,2cyclictest1242052-21kworker/u16:0+flush-8:012:03:414
624687994946,2cyclictest986393-21kworker/u16:2+events_unbound11:13:404
624694994846,2cyclictest1060027-21kworker/u16:5+events_unbound10:58:596
624687994845,2cyclictest1060027-21kworker/u16:5+events_unbound11:38:434
624687994845,2cyclictest1060027-21kworker/u16:5+events_unbound11:38:434
624692994744,2cyclictest1060027-21kworker/u16:5+events_unbound11:18:535
624687994745,2cyclictest799801-21kworker/u16:3+flush-8:012:28:514
624687994744,2cyclictest1299894-21kworker/u16:2+events_unbound12:18:394
624692994644,2cyclictest1060027-21kworker/u16:5+flush-8:011:38:545
624692994644,2cyclictest1060027-21kworker/u16:5+flush-8:011:38:545
624692994643,2cyclictest1242052-21kworker/u16:0+events_unbound11:58:315
624694994543,2cyclictest1060027-21kworker/u16:5+events_unbound11:43:586
624694994542,2cyclictest1060027-21kworker/u16:5+events_unbound11:48:416
624687994543,2cyclictest799801-21kworker/u16:3+events_unbound12:14:314
62469899440,42cyclictest124-21kswapd010:25:277
624692994442,2cyclictest799801-21kworker/u16:3+events_unbound12:17:525
624687994443,1cyclictest799801-21kworker/u16:3+events_unbound11:36:074
624687994442,2cyclictest1060027-21kworker/u16:5+events_unbound11:23:424
624687994442,2cyclictest1060027-21kworker/u16:5+events_unbound10:33:274
624694994341,1cyclictest799801-21kworker/u16:3+events_unbound10:43:286
624692994341,2cyclictest986393-21kworker/u16:2+flush-8:010:14:075
624692994341,2cyclictest799801-21kworker/u16:3+events_unbound12:05:595
624692994341,2cyclictest799801-21kworker/u16:3+events_unbound11:37:315
624692994341,2cyclictest799801-21kworker/u16:3+events_unbound09:08:285
624687994341,2cyclictest986393-21kworker/u16:2+events_unbound09:54:274
624687994341,2cyclictest1287652-21kworker/u16:1+events_unbound12:02:124
624694994239,2cyclictest799801-21kworker/u16:3+events_unbound11:03:286
624694994239,2cyclictest1060027-21kworker/u16:5+events_unbound11:28:396
624692994240,2cyclictest799801-21kworker/u16:3+flush-8:011:53:575
624687994240,2cyclictest986393-21kworker/u16:2+events_unbound10:42:284
624687994240,2cyclictest799801-21kworker/u16:3+events_unbound11:54:234
624687994240,2cyclictest799801-21kworker/u16:3+events_unbound10:27:314
624687994240,2cyclictest799801-21kworker/u16:3+events_unbound09:47:564
624687994240,2cyclictest799801-21kworker/u16:3+events_unbound09:47:564
624687994240,2cyclictest1242052-21kworker/u16:0+events_unbound12:10:154
624694994140,1cyclictest1060027-21kworker/u16:5+events_unbound10:50:406
624694994139,2cyclictest858705-21kworker/u16:4+events_unbound09:30:566
624694994139,2cyclictest799801-21kworker/u16:3+events_unbound10:26:116
624687994139,2cyclictest986393-21kworker/u16:2+events_unbound10:49:404
624687994139,2cyclictest799801-21kworker/u16:3+events_unbound11:31:314
624687994139,2cyclictest799801-21kworker/u16:3+events_unbound11:03:194
624687994139,2cyclictest799801-21kworker/u16:3+events_unbound10:45:374
624687994139,2cyclictest1060027-21kworker/u16:5+events_unbound11:04:564
624694994037,2cyclictest1060027-21kworker/u16:5+events_unbound11:38:416
624694994037,2cyclictest1060027-21kworker/u16:5+events_unbound11:38:416
624692994038,2cyclictest799801-21kworker/u16:3+events_unbound10:56:205
624692994038,2cyclictest1242052-21kworker/u16:0+events_unbound12:24:115
624692994038,2cyclictest1242052-21kworker/u16:0+events_unbound12:24:115
624692994038,2cyclictest1060027-21kworker/u16:5+events_unbound11:28:555
624692994038,2cyclictest1060027-21kworker/u16:5+events_unbound10:37:525
624687994038,2cyclictest986393-21kworker/u16:2+events_unbound10:14:394
624687994038,2cyclictest857455-21kworker/u16:1+events_unbound09:40:174
624687994038,2cyclictest799801-21kworker/u16:3+events_unbound10:01:124
624687994038,2cyclictest1060027-21kworker/u16:5+events_unbound11:44:524
624687994038,2cyclictest1060027-21kworker/u16:5+events_unbound11:10:114
6242932404,32sleep70-21swapper/707:02:047
624698993938,0cyclictest0-21swapper/711:08:557
624694993937,2cyclictest858705-21kworker/u16:4+events_unbound09:04:376
624694993937,2cyclictest858705-21kworker/u16:4+events_unbound09:04:376
624694993937,2cyclictest799801-21kworker/u16:3+flush-8:012:23:466
624694993937,2cyclictest799801-21kworker/u16:3+flush-8:012:23:466
624694993937,2cyclictest799801-21kworker/u16:3+flush-8:008:53:276
624694993937,2cyclictest799801-21kworker/u16:3+events_unbound09:24:296
624694993937,2cyclictest1242052-21kworker/u16:0+events_unbound11:57:316
624694993937,2cyclictest1060027-21kworker/u16:5+events_unbound11:58:556
624694993937,1cyclictest799801-21kworker/u16:3+events_unbound12:28:276
624692993937,2cyclictest799801-21kworker/u16:3+events_unbound10:27:195
624692993937,2cyclictest1060027-21kworker/u16:5+flush-8:010:58:455
624692993937,2cyclictest1060027-21kworker/u16:5+events_unbound11:25:125
624687993937,2cyclictest999127-21kworker/u16:1+events_unbound10:10:174
624687993937,2cyclictest986393-21kworker/u16:2+flush-8:010:28:364
624687993937,2cyclictest941807-21kworker/u16:0+events_unbound09:53:234
624694993836,2cyclictest941807-21kworker/u16:0+events_unbound09:52:126
624694993836,2cyclictest858705-21kworker/u16:4+events_unbound09:23:096
624694993836,2cyclictest799801-21kworker/u16:3+events_unbound11:27:276
624694993836,2cyclictest799801-21kworker/u16:3+events_unbound10:43:216
624694993836,2cyclictest799801-21kworker/u16:3+events_unbound10:11:596
624692993836,2cyclictest858705-21kworker/u16:4+events_unbound09:29:245
624692993836,2cyclictest857455-21kworker/u16:1+events_unbound09:34:455
624692993836,2cyclictest799801-21kworker/u16:3+events_unbound12:23:225
624692993836,2cyclictest799801-21kworker/u16:3+events_unbound11:06:165
624687993836,2cyclictest986393-21kworker/u16:2+events_unbound10:20:174
624687993836,2cyclictest799801-21kworker/u16:3+flush-8:009:34:164
624687993836,2cyclictest799801-21kworker/u16:3+events_unbound09:27:564
624694993736,1cyclictest799801-21kworker/u16:3+events_unbound12:10:526
624694993735,2cyclictest1242052-21kworker/u16:0+events_unbound12:04:396
624694993734,2cyclictest986393-21kworker/u16:2+events_unbound11:18:416
624694993734,2cyclictest799801-21kworker/u16:3+events_unbound12:13:386
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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