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2026-04-25 - 14:55
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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 Sat Apr 25, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750740,0irq/25-eth00-21swapper/207:05:572
112750620,0irq/25-eth00-21swapper/307:08:433
120650590,0irq/26-eth1-rx-0-21swapper/107:06:121
112750540,0irq/25-eth00-21swapper/007:07:230
271170,0ktimersoftd/216915-21chrt07:55:162
26688991514,0cyclictest0-21swapper/309:12:313
26686991514,0cyclictest0-21swapper/109:35:331
26685991510,0cyclictest4973-21sshd12:00:290
2668599150,0cyclictest0-21swapper/007:40:120
2668599150,0cyclictest0-21swapper/007:35:190
26688991413,0cyclictest0-21swapper/311:00:543
2668899140,0cyclictest0-21swapper/311:39:553
26687991413,0cyclictest0-21swapper/209:30:282
26687991411,0cyclictest10077-21sshd11:26:372
2668799140,0cyclictest0-21swapper/210:30:162
2668799140,0cyclictest0-21swapper/207:40:132
26686991413,0cyclictest31950-21sshd09:11:371
26686991413,0cyclictest0-21swapper/111:10:081
26685991413,0cyclictest0-21swapper/010:50:180
26685991412,0cyclictest11790-21sshd09:13:180
26685991411,0cyclictest23968-21sshd09:19:140
26685991411,0cyclictest0-21swapper/010:56:480
112750140,0irq/25-eth00-21swapper/112:24:001
26688991312,0cyclictest23071-21sshd12:28:573
26688991312,0cyclictest0-21swapper/310:39:043
2668899130,0cyclictest2079-21sshd11:21:143
2668899130,0cyclictest0-21swapper/310:59:373
2668899130,0cyclictest0-21swapper/310:21:103
26687991312,0cyclictest16756-21sshd11:05:502
26687991312,0cyclictest16756-21sshd11:05:502
26687991311,0cyclictest1479-21nfsd10:45:112
26687991311,0cyclictest0-21swapper/210:59:122
2668799130,0cyclictest0-21swapper/210:15:462
26686991312,0cyclictest18591-21diskmemload11:41:291
26686991311,0cyclictest0-21swapper/112:08:541
2668699130,0cyclictest0-21swapper/110:35:511
26685991313,0cyclictest0-21swapper/012:25:340
26685991312,0cyclictest6137-21processes08:40:190
26685991311,0cyclictest0-21swapper/011:31:460
26685991310,0cyclictest0-21swapper/009:21:120
112750130,0irq/25-eth016792-21sshd12:06:260
41120,0ktimersoftd/00-21swapper/010:14:100
26688991211,0cyclictest8697-21sshd12:22:413
26688991211,0cyclictest6334-21bash10:29:593
26688991211,0cyclictest5603-21bash09:42:223
26688991211,0cyclictest0-21swapper/312:35:143
26688991211,0cyclictest0-21swapper/311:31:053
2668899120,0cyclictest18591-21diskmemload10:12:063
2668899120,0cyclictest0-21swapper/311:07:313
2668899120,0cyclictest0-21swapper/311:07:313
2668899120,0cyclictest0-21swapper/310:30:223
2668899120,0cyclictest0-21swapper/307:40:153
26687991211,0cyclictest18591-21diskmemload10:21:482
26687991211,0cyclictest0-21swapper/209:58:412
26687991211,0cyclictest0-21swapper/209:36:372
26687991210,0cyclictest18674-21sshd11:58:062
26687991210,0cyclictest0-21swapper/212:07:242
26687991210,0cyclictest0-21swapper/210:11:142
26687991210,0cyclictest0-21swapper/209:40:482
26687991210,0cyclictest0-21swapper/209:16:382
2668799120,0cyclictest0-21swapper/210:44:412
2668799120,0cyclictest0-21swapper/209:22:342
2668799120,0cyclictest0-21swapper/207:35:142
26686991212,0cyclictest0-21swapper/112:01:081
26686991212,0cyclictest0-21swapper/111:45:341
26686991211,0cyclictest18591-21diskmemload10:05:531
26686991211,0cyclictest18591-21diskmemload09:56:081
26686991211,0cyclictest0-21swapper/110:29:491
26686991210,0cyclictest0-21swapper/112:16:421
2668699120,0cyclictest7781-21sshd11:56:351
26685991212,0cyclictest0-21swapper/012:19:180
26685991211,0cyclictest5551-21bash10:47:030
26685991211,0cyclictest0-21swapper/010:42:170
26685991210,0cyclictest0-21swapper/011:21:400
26685991210,0cyclictest0-21swapper/010:01:030
26685991210,0cyclictest0-21swapper/007:20:100
2668599120,0cyclictest0-21swapper/012:13:010
2668599120,0cyclictest0-21swapper/011:55:350
2668599120,0cyclictest0-21swapper/011:25:590
2668599120,0cyclictest0-21swapper/009:54:330
2668599120,0cyclictest0-21swapper/009:41:390
112750120,0irq/25-eth00-21swapper/311:14:223
112750120,0irq/25-eth00-21swapper/110:10:531
41110,0ktimersoftd/00-21swapper/008:15:140
271110,0ktimersoftd/216108-21sshd09:26:382
26688991111,0cyclictest0-21swapper/312:14:543
26688991111,0cyclictest0-21swapper/312:04:063
26688991111,0cyclictest0-21swapper/309:46:323
26688991111,0cyclictest0-21swapper/309:16:273
26688991110,0cyclictest0-21swapper/312:05:353
26688991110,0cyclictest0-21swapper/311:26:473
26688991110,0cyclictest0-21swapper/310:09:053
26688991110,0cyclictest0-21swapper/309:36:123
2668899110,0cyclictest4021-21sshd10:46:503
26687991111,0cyclictest0-21swapper/212:21:272
26687991111,0cyclictest0-21swapper/212:15:112
26687991111,0cyclictest0-21swapper/208:11:422
26687991111,0cyclictest0-21swapper/208:11:412
26687991110,0cyclictest9997-21sshd11:22:192
26687991110,0cyclictest4143-21sshd09:50:402
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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