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2026-03-13 - 14:36
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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 Fri Mar 13, 2026 13:03:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3980499224214,5cyclictest37270-21CPU32
3980499224214,5cyclictest37270-21CPU32
3976399219211,6cyclictest0-21swapper/410:15:1234
3976399219211,6cyclictest0-21swapper/410:15:1134
3976399219211,6cyclictest0-21swapper/410:15:1134
3976399196186,7cyclictest0-21swapper/411:10:0234
3976399196186,7cyclictest0-21swapper/411:10:0134
3976399196186,7cyclictest0-21swapper/411:10:0134
3976899194186,4cyclictest0-21swapper/911:57:0139
3976899194186,4cyclictest0-21swapper/911:57:0039
3976499194173,14cyclictest0-21swapper/509:10:1835
3976499194173,14cyclictest0-21swapper/509:10:1835
3977399192148,33cyclictest0-21swapper/1309:53:085
3977399192148,33cyclictest0-21swapper/1309:53:075
3977399192148,33cyclictest0-21swapper/1309:53:075
3976899192185,5cyclictest0-21swapper/911:20:2339
3976899192185,5cyclictest0-21swapper/911:20:2339
3976899192185,5cyclictest0-21swapper/911:20:2239
3976899192180,8cyclictest37353-21CPU39
3976899192180,8cyclictest37353-21CPU39
3976899192180,8cyclictest37353-21CPU39
3976099192179,11cyclictest0-21swapper/111:09:381
3976099192179,11cyclictest0-21swapper/111:09:371
3976099192179,11cyclictest0-21swapper/111:09:371
3976899191170,12cyclictest0-21swapper/907:18:5639
3976899191170,12cyclictest0-21swapper/907:18:5639
3976899191158,27cyclictest0-21swapper/910:38:4839
3976899191158,27cyclictest0-21swapper/910:38:4739
3976899190180,5cyclictest25005-21gdbus11:04:4639
3976899190180,5cyclictest25005-21gdbus11:04:4639
3976899190180,5cyclictest25005-21gdbus11:04:4539
3976799190176,11cyclictest10647-21systemd11:58:3738
3976799190176,11cyclictest10647-21systemd11:58:3638
3980299188150,33cyclictest37353-21CPU30
3980299188150,33cyclictest37353-21CPU30
3977399188153,28cyclictest0-21swapper/1310:06:525
3977399188153,28cyclictest0-21swapper/1310:06:515
3977399188153,28cyclictest0-21swapper/1310:06:515
3979699187145,6cyclictest0-21swapper/3209:42:3026
3979699187145,6cyclictest0-21swapper/3209:42:2926
3979699186150,15cyclictest0-21swapper/3210:37:3826
3979699186150,15cyclictest0-21swapper/3210:37:3726
3980299185146,34cyclictest0-21swapper/3608:16:1030
3980299185146,34cyclictest0-21swapper/3608:16:0930
397739918463,116cyclictest0-21swapper/1311:55:145
397739918463,116cyclictest0-21swapper/1311:55:145
3976899184177,5cyclictest0-21swapper/911:11:5339
3976899184177,5cyclictest0-21swapper/911:11:5239
3976899184173,8cyclictest33270-21kworker/u81:2+events_unbound10:40:4939
3976899184173,8cyclictest33270-21kworker/u81:2+events_unbound10:40:4839
3976499184166,15cyclictest0-21swapper/508:40:1935
3976499184166,15cyclictest0-21swapper/508:40:1935
3976099184176,5cyclictest0-21swapper/112:20:041
3976099184176,5cyclictest0-21swapper/112:20:041
3976099184176,5cyclictest0-21swapper/112:20:031
3977399183152,25cyclictest0-21swapper/1309:40:415
3977399183152,25cyclictest0-21swapper/1309:40:415
3980299182118,58cyclictest37354-21CPU30
3980299182118,58cyclictest37354-21CPU30
3976899182173,7cyclictest0-21swapper/911:09:5239
3976899182173,7cyclictest0-21swapper/911:09:5239
3976899182173,7cyclictest0-21swapper/911:09:5239
3976499182162,18cyclictest0-21swapper/512:11:1635
3976499182162,18cyclictest0-21swapper/512:11:1535
3975899182179,2cyclictest0-21swapper/011:40:130
3975899182179,2cyclictest0-21swapper/011:40:130
3975899182179,2cyclictest0-21swapper/011:40:130
3976899181175,4cyclictest0-21swapper/910:19:5939
3976899181175,4cyclictest0-21swapper/910:19:5839
3976899181175,4cyclictest0-21swapper/910:19:5839
3976499181173,6cyclictest0-21swapper/508:31:4735
3976499181173,6cyclictest0-21swapper/508:31:4735
3976499181154,17cyclictest0-21swapper/511:40:4035
3976499181154,17cyclictest0-21swapper/511:40:3935
3976499181154,17cyclictest0-21swapper/511:40:3935
3976399181172,3cyclictest755-21systemd-journal10:14:2734
3976399181172,3cyclictest755-21systemd-journal10:14:2734
39802991801,173cyclictest0-21swapper/3611:10:2030
39802991801,173cyclictest0-21swapper/3611:10:2030
3976899180172,6cyclictest0-21swapper/910:51:2639
3976899180172,6cyclictest0-21swapper/910:51:2539
3976899180168,6cyclictest0-21swapper/911:39:3539
3976899180168,6cyclictest0-21swapper/911:39:3539
3976899180168,6cyclictest0-21swapper/911:39:3539
3976099180174,4cyclictest0-21swapper/107:33:181
3976099180174,4cyclictest0-21swapper/107:33:181
3976099180171,5cyclictest0-21swapper/109:15:381
3976099180171,5cyclictest0-21swapper/109:15:381
3976099180171,5cyclictest0-21swapper/109:15:371
3976399179110,66cyclictest0-21swapper/409:31:1634
3976399179110,66cyclictest0-21swapper/409:31:1534
3976399179110,66cyclictest0-21swapper/409:31:1534
3980299178121,43cyclictest0-21swapper/3611:57:4530
3980299178121,43cyclictest0-21swapper/3611:57:4430
3976899178159,16cyclictest0-21swapper/910:32:5439
3976899178159,16cyclictest0-21swapper/910:32:5339
397639917897,53cyclictest2461-21CPU34
397639917897,53cyclictest2461-21CPU34
397639917897,53cyclictest2461-21CPU34
3976399178150,11cyclictest171rcu_preempt11:12:2634
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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