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2026-01-10 - 00:32
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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 rack7slot0.osadl.org (updated Fri Jan 09, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650690,0irq/26-eth1-rx-0-21swapper/107:05:491
112750650,0irq/25-eth00-21swapper/307:09:503
112750620,0irq/25-eth00-21swapper/207:08:462
120650600,0irq/26-eth1-rx-0-21swapper/007:05:380
540999150,0cyclictest0-21swapper/309:51:413
5407991514,0cyclictest0-21swapper/109:12:351
5409991412,0cyclictest0-21swapper/310:28:163
5409991411,0cyclictest6495-21sshd10:01:403
540999140,0cyclictest0-21swapper/311:42:103
540999140,0cyclictest0-21swapper/311:10:153
540999140,0cyclictest0-21swapper/311:04:243
5407991412,0cyclictest0-21swapper/111:28:361
540699141,0cyclictest0-21swapper/007:25:200
540699140,0cyclictest0-21swapper/009:40:080
540699140,0cyclictest0-21swapper/009:37:000
5409991312,0cyclictest0-21swapper/311:21:503
5409991311,0cyclictest29824-21diskmemload12:30:433
5409991311,0cyclictest0-21swapper/308:55:343
540999130,0cyclictest0-21swapper/310:41:163
540899139,0cyclictest15349-21sshd10:24:312
5408991312,0cyclictest0-21swapper/209:48:452
540899130,0cyclictest0-21swapper/211:23:112
540899130,0cyclictest0-21swapper/210:39:582
540899130,0cyclictest0-21swapper/210:09:242
5407991312,0cyclictest0-21swapper/111:17:201
5407991311,0cyclictest0-21swapper/111:37:401
540799130,0cyclictest0-21swapper/111:10:101
540799130,0cyclictest0-21swapper/109:23:221
5406991312,0cyclictest0-21swapper/011:21:470
540699130,0cyclictest0-21swapper/012:36:140
540999129,0cyclictest0-21swapper/309:36:003
5409991211,0cyclictest0-21swapper/312:03:463
5409991211,0cyclictest0-21swapper/311:08:353
5409991211,0cyclictest0-21swapper/310:39:053
5409991211,0cyclictest0-21swapper/309:45:253
5409991211,0cyclictest0-21swapper/309:29:583
5409991210,0cyclictest0-21swapper/312:37:343
5409991210,0cyclictest0-21swapper/310:58:013
5409991210,0cyclictest0-21swapper/307:30:393
540999120,0cyclictest0-21swapper/311:15:123
540999120,0cyclictest0-21swapper/309:33:053
540999120,0cyclictest0-21swapper/309:20:123
5408991211,0cyclictest0-21swapper/210:29:102
5408991211,0cyclictest0-21swapper/210:19:112
540899120,0cyclictest0-21swapper/211:30:022
540899120,0cyclictest0-21swapper/211:03:192
540899120,0cyclictest0-21swapper/209:20:142
540899120,0cyclictest0-21swapper/209:13:472
5407991211,0cyclictest1480-21nfsd11:30:501
540799120,0cyclictest29824-21diskmemload10:30:231
540799120,0cyclictest25280-21sshd12:26:411
540799120,0cyclictest0-21swapper/112:08:341
540799120,0cyclictest0-21swapper/110:45:131
540799120,0cyclictest0-21swapper/110:40:591
540699129,0cyclictest8394-21sshd10:31:570
5406991211,0cyclictest29824-21diskmemload09:55:340
5406991211,0cyclictest28652-21id10:38:200
5406991210,0cyclictest29824-21diskmemload10:12:260
5406991210,0cyclictest0-21swapper/010:40:330
5406991210,0cyclictest0-21swapper/010:07:330
540699120,0cyclictest0-21swapper/012:24:450
540699120,0cyclictest0-21swapper/010:55:320
271120,0ktimersoftd/20-21swapper/212:13:502
112750120,0irq/25-eth025290-21sshd12:16:320
112750120,0irq/25-eth00-21swapper/011:07:370
112750120,0irq/25-eth00-21swapper/009:20:200
540999119,0cyclictest0-21swapper/308:43:083
540999119,0cyclictest0-21swapper/307:16:563
5409991111,0cyclictest0-21swapper/311:35:183
5409991111,0cyclictest0-21swapper/310:51:513
5409991110,0cyclictest0-21swapper/312:19:273
5409991110,0cyclictest0-21swapper/312:08:103
5409991110,0cyclictest0-21swapper/311:46:203
540999110,0cyclictest13203-21sshd11:33:063
540999110,0cyclictest0-21swapper/310:30:433
540999110,0cyclictest0-21swapper/308:00:183
540999110,0cyclictest0-21swapper/307:36:353
540899115,0cyclictest26901-21sshd11:07:252
540899115,0cyclictest0-21swapper/212:34:172
540899110,0cyclictest0-21swapper/210:52:452
540899110,0cyclictest0-21swapper/210:11:512
540799119,0cyclictest0-21swapper/108:23:331
5407991111,0cyclictest0-21swapper/112:35:451
5407991111,0cyclictest0-21swapper/110:01:081
5407991110,0cyclictest0-21swapper/110:55:431
5407991110,0cyclictest0-21swapper/110:38:461
5407991110,0cyclictest0-21swapper/107:54:241
540799110,0cyclictest0-21swapper/109:16:111
540799110,0cyclictest0-21swapper/108:45:301
540799110,0cyclictest0-21swapper/108:36:551
540799110,0cyclictest0-21swapper/108:19:441
540799110,0cyclictest0-21swapper/107:49:371
540799110,0cyclictest0-21swapper/107:27:481
5406991111,0cyclictest0-21swapper/012:31:370
5406991111,0cyclictest0-21swapper/011:37:420
5406991111,0cyclictest0-21swapper/008:18:570
5406991110,0cyclictest0-21swapper/011:30:500
5406991110,0cyclictest0-21swapper/008:27:460
540699110,0cyclictest0-21swapper/007:46:310
112750110,0irq/25-eth026113-21sshd11:56:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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