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2026-07-13 - 14:12
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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 rack6slot0.osadl.org (updated Mon Jul 13, 2026 01:01:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3058199206144,43cyclictest0-21swapper/2019:40:5613
3058199206144,43cyclictest0-21swapper/2019:40:5513
3057199193185,5cyclictest0-21swapper/1223:59:594
3057199193185,5cyclictest0-21swapper/1223:59:594
30589991923,94cyclictest2459-21CPU21
30589991923,94cyclictest2459-21CPU21
3057199192185,5cyclictest0-21swapper/1200:05:214
3057199192185,5cyclictest0-21swapper/1200:05:214
3059899190171,8cyclictest0-21swapper/3522:17:0129
3059899190171,8cyclictest0-21swapper/3522:17:0129
3058499190177,10cyclictest0-21swapper/2321:44:2416
3058499190177,10cyclictest0-21swapper/2321:44:2416
3056099189170,11cyclictest0-21swapper/221:51:5012
3056099189170,11cyclictest0-21swapper/221:51:5012
3056099189170,11cyclictest0-21swapper/221:51:4912
3060099188178,4cyclictest37257-21qemu-system-x8623:20:0030
3060099188178,4cyclictest37257-21qemu-system-x8623:20:0030
3059699186183,2cyclictest0-21swapper/3421:05:1628
3059699186183,2cyclictest0-21swapper/3421:05:1628
3059899183171,3cyclictest0-21swapper/3523:38:5229
3059899183171,3cyclictest0-21swapper/3523:38:5129
3058199183178,4cyclictest0-21swapper/2019:24:3213
3058199183178,4cyclictest0-21swapper/2019:24:3113
3059399182167,8cyclictest2821-21kworker/u80:0-netns22:17:4725
3059399182167,8cyclictest2821-21kworker/u80:0-netns22:17:4725
3057299182175,5cyclictest0-21swapper/1322:45:285
3057299182175,5cyclictest0-21swapper/1322:45:275
3060499180156,21cyclictest0-21swapper/3923:19:3433
3060499180156,21cyclictest0-21swapper/3923:19:3333
3059399180162,10cyclictest171rcu_preempt23:17:0325
3059399180162,10cyclictest171rcu_preempt23:17:0325
3057999180152,26cyclictest0-21swapper/1822:15:1510
3057999180152,26cyclictest0-21swapper/1822:15:1510
3057299180156,21cyclictest0-21swapper/1322:15:165
3057299180156,21cyclictest0-21swapper/1322:15:165
3057199180172,3cyclictest37357-21CPU4
3057199180172,3cyclictest37357-21CPU4
3059899179165,10cyclictest0-21swapper/3522:08:3929
3059899179165,10cyclictest0-21swapper/3522:08:3929
3058699179174,3cyclictest0-21swapper/2521:46:0918
3058699179174,3cyclictest0-21swapper/2521:46:0918
3058699179174,3cyclictest0-21swapper/2521:46:0918
3058599179169,6cyclictest3543-21CPU17
3058599179169,6cyclictest3543-21CPU17
3058199179143,9cyclictest0-21swapper/2019:51:0313
3058199179143,9cyclictest0-21swapper/2019:51:0313
30570991791,173cyclictest0-21swapper/1123:15:173
30570991791,173cyclictest0-21swapper/1123:15:163
3055999179157,12cyclictest171rcu_preempt20:16:461
3055999179157,12cyclictest171rcu_preempt20:16:461
3060299178123,51cyclictest3609-21CPU31
3060299178123,51cyclictest3609-21CPU31
3057199178168,6cyclictest0-21swapper/1222:52:594
3057199178168,6cyclictest0-21swapper/1222:52:594
306049917787,87cyclictest0-21swapper/3919:15:0133
306049917787,87cyclictest0-21swapper/3919:15:0133
3060299176153,19cyclictest0-21swapper/3722:19:4031
3060299176153,19cyclictest0-21swapper/3722:19:4031
3058699176168,7cyclictest0-21swapper/2520:59:4518
3058699176168,7cyclictest0-21swapper/2520:59:4418
3057299176167,5cyclictest37357-21CPU5
3057299176167,5cyclictest37357-21CPU5
3057199175167,6cyclictest0-21swapper/1200:30:314
3057199175167,6cyclictest0-21swapper/1200:30:304
3059399174159,10cyclictest0-21swapper/3121:21:2325
3059399174159,10cyclictest0-21swapper/3121:21:2325
3058699174162,10cyclictest0-21swapper/2523:53:3218
3058699174162,10cyclictest0-21swapper/2523:53:3118
3058699174162,10cyclictest0-21swapper/2523:53:3118
3058199174159,6cyclictest0-21swapper/2019:45:0913
3058199174159,6cyclictest0-21swapper/2019:45:0913
3056199174171,2cyclictest0-21swapper/323:20:2123
3056199174171,2cyclictest0-21swapper/323:20:2123
3059499173169,2cyclictest0-21swapper/3221:40:0026
3059499173169,2cyclictest0-21swapper/3221:40:0026
3059499173169,2cyclictest0-21swapper/3221:40:0026
3059399173170,1cyclictest0-21swapper/3100:21:0325
3059399173170,1cyclictest0-21swapper/3100:21:0325
3059399173152,10cyclictest0-21swapper/3100:19:1425
3059399173152,10cyclictest0-21swapper/3100:19:1425
3058999173152,15cyclictest0-21swapper/2823:09:5421
3058999173152,15cyclictest0-21swapper/2823:09:5321
30589991731,2cyclictest0-21swapper/2822:25:1521
30589991731,2cyclictest0-21swapper/2822:25:1521
30589991731,2cyclictest0-21swapper/2822:25:1521
30570991731,166cyclictest0-21swapper/1123:20:183
30570991731,166cyclictest0-21swapper/1123:20:183
3059899172132,21cyclictest17482-21nfsd00:10:5029
3059899172132,21cyclictest17482-21nfsd00:10:5029
3059899172123,46cyclictest37263-21CPU29
3058699172149,9cyclictest171rcu_preempt21:36:3718
3058699172149,9cyclictest171rcu_preempt21:36:3718
3058699172149,9cyclictest171rcu_preempt21:36:3618
3058199172141,13cyclictest171rcu_preempt20:07:0413
3058199172141,13cyclictest171rcu_preempt20:07:0413
3059899171161,6cyclictest0-21swapper/3522:11:0929
3059899171161,6cyclictest0-21swapper/3522:11:0929
3059899171154,10cyclictest0-21swapper/3520:10:3229
3059599171141,22cyclictest0-21swapper/3323:17:0727
3059599171141,22cyclictest0-21swapper/3323:17:0727
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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