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2026-07-19 - 14:21
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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 Sun Jul 19, 2026 13:02:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
758599233216,6cyclictest0-21swapper/2910:20:1522
758599233216,6cyclictest0-21swapper/2910:20:1522
758599233216,6cyclictest0-21swapper/2910:20:1522
7577992171,213cyclictest0-21swapper/2210:20:2015
7577992171,213cyclictest0-21swapper/2210:20:2015
7577992171,213cyclictest0-21swapper/2210:20:2015
756499211206,4cyclictest0-21swapper/1109:37:173
756499211206,4cyclictest0-21swapper/1109:37:173
758399199193,2cyclictest0-21swapper/2711:57:3720
758399199193,2cyclictest0-21swapper/2711:57:3720
75879919447,143cyclictest0-21swapper/3110:15:1825
75879919447,143cyclictest0-21swapper/3110:15:1825
75879919447,143cyclictest0-21swapper/3110:15:1825
75819919423,167cyclictest0-21swapper/2510:30:2218
75819919423,167cyclictest0-21swapper/2510:30:2218
75819919423,167cyclictest0-21swapper/2510:30:2218
759499190144,17cyclictest0-21swapper/3708:58:2631
759499190144,17cyclictest0-21swapper/3708:58:2631
758799188171,13cyclictest0-21swapper/3110:29:4225
758799188171,13cyclictest0-21swapper/3110:29:4225
7577991872,180cyclictest2462-21CPU15
7577991872,180cyclictest2462-21CPU15
7577991872,180cyclictest2462-21CPU15
755699187173,7cyclictest0-21swapper/410:03:3834
755699187173,7cyclictest0-21swapper/410:03:3834
755699187173,7cyclictest0-21swapper/410:03:3834
759699185137,36cyclictest2466-21CPU33
759699185137,36cyclictest2466-21CPU33
759699185137,36cyclictest2466-21CPU33
759499185169,8cyclictest0-21swapper/3712:26:2531
759499185169,8cyclictest0-21swapper/3712:26:2531
755699185148,25cyclictest4408-21CPU34
755699185148,25cyclictest4408-21CPU34
756899184173,8cyclictest0-21swapper/1411:26:586
756899184173,8cyclictest0-21swapper/1411:26:586
755099184181,2cyclictest0-21swapper/010:44:400
755099184181,2cyclictest0-21swapper/010:44:400
755099184181,2cyclictest0-21swapper/010:44:400
756899183180,2cyclictest0-21swapper/1410:20:186
756899183180,2cyclictest0-21swapper/1410:20:186
756899183180,2cyclictest0-21swapper/1410:20:186
755099183179,2cyclictest0-21swapper/010:10:120
755099183179,2cyclictest0-21swapper/010:10:120
758899180170,8cyclictest0-21swapper/3209:50:1926
758899180170,8cyclictest0-21swapper/3209:50:1926
7577991801,173cyclictest0-21swapper/2209:40:1415
7577991801,173cyclictest0-21swapper/2209:40:1415
755699180135,35cyclictest0-21swapper/410:48:1134
755699180135,35cyclictest0-21swapper/410:48:1134
755199180120,45cyclictest0-21swapper/110:00:191
755199180120,45cyclictest0-21swapper/110:00:191
755199180120,45cyclictest0-21swapper/110:00:191
757499179148,25cyclictest0-21swapper/2009:35:2513
757499179148,25cyclictest0-21swapper/2009:35:2513
757299178153,8cyclictest3535-21qemu-system-x8610:18:4710
757299178153,8cyclictest3535-21qemu-system-x8610:18:4710
757299178153,8cyclictest3535-21qemu-system-x8610:18:4710
75649917777,92cyclictest2454-21CPU3
75649917777,92cyclictest2454-21CPU3
75649917777,92cyclictest2454-21CPU3
7577991761,171cyclictest0-21swapper/2209:35:0115
7577991761,171cyclictest0-21swapper/2209:35:0115
7577991761,171cyclictest0-21swapper/2209:35:0115
756299176125,44cyclictest37355-21CPU39
756299176125,44cyclictest37355-21CPU39
756299176125,44cyclictest37355-21CPU39
755199176124,17cyclictest0-21swapper/111:15:301
755199176124,17cyclictest0-21swapper/111:15:301
755199176124,17cyclictest0-21swapper/111:15:301
755199175108,54cyclictest0-21swapper/109:45:171
755199175108,54cyclictest0-21swapper/109:45:171
755199175108,54cyclictest0-21swapper/109:45:171
759499174166,6cyclictest0-21swapper/3711:15:2731
759499174166,6cyclictest0-21swapper/3711:15:2731
759499174166,6cyclictest0-21swapper/3711:15:2731
758899174163,8cyclictest0-21swapper/3209:40:1026
758899174163,8cyclictest0-21swapper/3209:40:1026
755099174157,9cyclictest0-21swapper/012:10:070
755099174157,9cyclictest0-21swapper/012:10:070
757599173157,8cyclictest0-21swapper/2108:22:4314
757599173157,8cyclictest0-21swapper/2108:22:4214
7562991731,5cyclictest0-21swapper/911:40:1639
7562991731,5cyclictest0-21swapper/911:40:1639
7562991731,5cyclictest0-21swapper/911:40:1639
755199173161,10cyclictest0-21swapper/107:37:011
755199173161,10cyclictest0-21swapper/107:37:011
759699172110,52cyclictest2456-21CPU33
759699172110,52cyclictest2456-21CPU33
757299172162,3cyclictest0-21swapper/1811:05:4510
757299172162,3cyclictest0-21swapper/1811:05:4510
756099172135,29cyclictest0-21swapper/712:38:3637
756099172135,29cyclictest0-21swapper/712:38:3637
755699172120,42cyclictest0-21swapper/411:38:4834
755699172120,42cyclictest0-21swapper/411:38:4834
755699172120,42cyclictest0-21swapper/411:38:4834
755199172157,5cyclictest0-21swapper/111:24:231
755199172157,5cyclictest0-21swapper/111:24:231
755199172157,5cyclictest0-21swapper/111:24:231
7595991715,116cyclictest37358-21CPU32
7595991715,116cyclictest37358-21CPU32
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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