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2026-08-12 - 16:25
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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 rack1slot1.osadl.org (updated Wed Aug 12, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2411225210,5sleep0101rcuc/007:05:170
250502238160,61sleep20-21swapper/207:08:472
248482200162,25sleep30-21swapper/307:06:103
248512199160,25sleep10-21swapper/107:06:131
16862720,0sleep121-21ksoftirqd/108:35:121
25233992018,1cyclictest9-21ksoftirqd/010:15:220
303932190,0sleep10-21swapper/110:10:191
25255991818,0cyclictest35-21ksoftirqd/312:24:033
25255991818,0cyclictest35-21ksoftirqd/311:34:433
25255991717,0cyclictest35-21ksoftirqd/312:29:363
25255991717,0cyclictest35-21ksoftirqd/311:15:483
25255991616,0cyclictest35-21ksoftirqd/311:21:013
25255991616,0cyclictest35-21ksoftirqd/310:39:413
25255991616,0cyclictest35-21ksoftirqd/310:18:023
272362150,0sleep00-21swapper/012:25:120
25255991514,1cyclictest35-21ksoftirqd/311:55:223
25255991414,0cyclictest35-21ksoftirqd/311:53:133
25255991414,0cyclictest35-21ksoftirqd/311:06:263
25255991414,0cyclictest35-21ksoftirqd/310:29:183
25255991414,0cyclictest35-21ksoftirqd/309:55:033
25255991414,0cyclictest35-21ksoftirqd/309:15:273
25233991414,0cyclictest9-21ksoftirqd/012:15:200
25233991412,1cyclictest9-21ksoftirqd/008:35:000
2525599136,7cyclictest35-21ksoftirqd/310:20:263
25255991313,0cyclictest35-21ksoftirqd/312:36:243
25255991313,0cyclictest35-21ksoftirqd/312:32:043
25255991313,0cyclictest35-21ksoftirqd/311:44:543
25255991313,0cyclictest35-21ksoftirqd/311:44:533
25255991313,0cyclictest35-21ksoftirqd/310:45:283
25255991313,0cyclictest35-21ksoftirqd/309:53:443
25255991313,0cyclictest35-21ksoftirqd/309:31:023
25255991312,1cyclictest35-21ksoftirqd/310:58:393
25233991311,1cyclictest9-21ksoftirqd/008:35:010
2525599125,7cyclictest35-21ksoftirqd/309:12:223
25255991212,0cyclictest35-21ksoftirqd/312:04:593
25255991212,0cyclictest35-21ksoftirqd/311:29:343
25255991212,0cyclictest35-21ksoftirqd/310:42:123
25255991212,0cyclictest35-21ksoftirqd/310:14:123
25255991212,0cyclictest35-21ksoftirqd/309:38:163
25255991212,0cyclictest35-21ksoftirqd/308:28:143
2523999120,12cyclictest0-21swapper/111:20:101
25233991210,1cyclictest9-21ksoftirqd/007:54:590
2525599119,1cyclictest35-21ksoftirqd/308:05:003
2525599118,2cyclictest35-21ksoftirqd/311:10:593
25255991111,0cyclictest35-21ksoftirqd/312:16:263
25255991111,0cyclictest35-21ksoftirqd/312:10:393
25255991111,0cyclictest35-21ksoftirqd/309:46:493
25255991111,0cyclictest35-21ksoftirqd/309:20:593
25255991110,1cyclictest35-21ksoftirqd/312:08:063
25255991110,1cyclictest35-21ksoftirqd/311:01:583
25255991110,1cyclictest35-21ksoftirqd/310:31:113
2524699119,1cyclictest28-21ksoftirqd/210:05:002
2524699119,1cyclictest28-21ksoftirqd/209:15:012
25246991110,1cyclictest28-21ksoftirqd/209:27:132
2523399119,1cyclictest9-21ksoftirqd/008:20:010
25233991111,0cyclictest9-21ksoftirqd/012:10:140
2525599109,1cyclictest35-21ksoftirqd/311:46:573
2525599109,1cyclictest35-21ksoftirqd/309:05:003
2525599108,2cyclictest25228-21cyclictest07:25:193
2525599102,7cyclictest341rcuc/308:53:483
25255991010,0cyclictest35-21ksoftirqd/311:36:513
25255991010,0cyclictest35-21ksoftirqd/310:50:153
25255991010,0cyclictest35-21ksoftirqd/310:05:133
25255991010,0cyclictest35-21ksoftirqd/310:01:063
25255991010,0cyclictest35-21ksoftirqd/309:41:433
25255991010,0cyclictest35-21ksoftirqd/309:25:593
25255991010,0cyclictest35-21ksoftirqd/308:06:293
2524699109,1cyclictest5090-21sh11:53:562
2524699109,1cyclictest28-21ksoftirqd/211:40:002
2524699108,1cyclictest28-21ksoftirqd/211:40:012
2524699108,1cyclictest28-21ksoftirqd/211:40:002
2524699100,6cyclictest18092-21diskmemload12:05:162
2524699100,10cyclictest0-21swapper/212:16:252
2523399109,1cyclictest9-21ksoftirqd/011:15:130
2523399109,1cyclictest9-21ksoftirqd/010:40:150
2523399109,1cyclictest9-21ksoftirqd/010:10:120
2523399109,1cyclictest9-21ksoftirqd/007:20:120
2523399108,1cyclictest9-21ksoftirqd/009:04:590
2523399107,1cyclictest9-21ksoftirqd/008:05:000
25233991010,0cyclictest9-21ksoftirqd/011:35:120
25233991010,0cyclictest9-21ksoftirqd/009:15:120
2523399100,7cyclictest32244-21kworker/0:012:35:150
111582100,0sleep20-21swapper/212:00:462
252559997,2cyclictest0-21swapper/308:20:143
252559994,5cyclictest1169-21basename08:35:013
252559991,8cyclictest35-21ksoftirqd/308:14:403
252559991,0cyclictest35-21ksoftirqd/308:45:513
252469998,1cyclictest28-21ksoftirqd/209:45:012
252469998,1cyclictest28-21ksoftirqd/209:15:162
252469998,1cyclictest28-21ksoftirqd/209:10:002
252469997,1cyclictest28-21ksoftirqd/208:25:002
252469997,1cyclictest28-21ksoftirqd/207:49:592
252399990,2cyclictest0-21swapper/112:00:131
252339998,1cyclictest9-21ksoftirqd/012:30:140
252339998,1cyclictest9-21ksoftirqd/011:10:140
252339998,1cyclictest9-21ksoftirqd/010:45:110
252339998,1cyclictest9-21ksoftirqd/008:10:150
252339998,1cyclictest9-21ksoftirqd/007:35:000
252339997,1cyclictest9-21ksoftirqd/012:10:000
252339997,1cyclictest9-21ksoftirqd/009:20:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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