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2026-04-27 - 21:46
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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 Apr 27, 2026 13:01:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2294699220212,6cyclictest0-21swapper/609:55:4636
2294699220212,6cyclictest0-21swapper/609:55:4636
2294099219212,3cyclictest3541-21CPU1
2294099219212,3cyclictest3541-21CPU1
2294499208202,4cyclictest37346-21qemu-system-x8608:20:0034
2294499208202,4cyclictest37346-21qemu-system-x8608:20:0034
22955992066,20cyclictest0-21swapper/1409:49:396
22955992066,20cyclictest0-21swapper/1409:49:396
2294399205166,22cyclictest0-21swapper/311:15:3823
2294399205166,22cyclictest0-21swapper/311:15:3723
2294399205166,22cyclictest0-21swapper/311:15:3723
2294699200180,5cyclictest0-21swapper/612:34:2236
2294699200180,5cyclictest0-21swapper/612:34:2236
2294399197176,12cyclictest3544-21CPU23
2294399197176,12cyclictest3544-21CPU23
2294499195187,2cyclictest0-21swapper/409:25:0334
2294499195187,2cyclictest0-21swapper/409:25:0234
2294499195187,2cyclictest0-21swapper/409:25:0234
229429919518,169cyclictest0-21swapper/211:40:2612
229429919518,169cyclictest0-21swapper/211:40:2612
2294699193119,58cyclictest2459-21CPU36
2294699193119,58cyclictest2459-21CPU36
2294399192170,12cyclictest0-21swapper/312:25:4323
2294399192170,12cyclictest0-21swapper/312:25:4323
2294399192170,12cyclictest0-21swapper/312:25:4223
2297499191145,14cyclictest171rcu_preempt10:51:5424
2297499191145,14cyclictest171rcu_preempt10:51:5424
2297499191145,14cyclictest171rcu_preempt10:51:5424
2297799185141,11cyclictest0-21swapper/3210:22:0426
2297799185141,11cyclictest0-21swapper/3210:22:0326
2294099184172,4cyclictest37270-21CPU1
2294099183171,10cyclictest0-21swapper/110:37:421
2294099183171,10cyclictest0-21swapper/110:37:421
2294499182173,7cyclictest0-21swapper/410:35:3634
2294499182173,7cyclictest0-21swapper/410:35:3634
2294399182174,4cyclictest0-21swapper/312:35:5423
2294399182174,4cyclictest0-21swapper/312:35:5423
2297499181149,11cyclictest171rcu_preempt12:09:4324
2297499181149,11cyclictest171rcu_preempt12:09:4224
2294499181169,10cyclictest0-21swapper/410:21:5834
2294499181169,10cyclictest0-21swapper/410:21:5834
2294399181175,3cyclictest9768-21systemd-cgroups12:17:4023
2294399181175,3cyclictest9768-21systemd-cgroups12:17:4023
2297499180171,6cyclictest0-21swapper/3009:48:4724
2297499180171,6cyclictest0-21swapper/3009:48:4724
2294499180159,12cyclictest0-21swapper/410:15:0034
2294499180159,12cyclictest0-21swapper/410:14:5934
2294499180159,12cyclictest0-21swapper/410:14:5934
2294399180171,7cyclictest0-21swapper/312:33:2823
2294399180171,7cyclictest0-21swapper/312:33:2823
2297499178151,8cyclictest171rcu_preempt11:08:1724
2297499178151,8cyclictest171rcu_preempt11:08:1724
2294399178169,6cyclictest0-21swapper/307:55:3723
2294399178169,6cyclictest0-21swapper/307:55:3723
22955991777,34cyclictest0-21swapper/1411:15:406
22955991777,34cyclictest0-21swapper/1411:15:406
22955991777,34cyclictest0-21swapper/1411:15:396
2294099177161,13cyclictest0-21swapper/112:25:371
2294099177161,13cyclictest0-21swapper/112:25:361
2294099177161,13cyclictest0-21swapper/112:25:361
2294099177143,12cyclictest0-21swapper/112:09:551
2294099177143,12cyclictest0-21swapper/112:09:541
2297499176130,13cyclictest0-21swapper/3010:02:3224
2297499176130,13cyclictest0-21swapper/3010:02:3224
2297499176130,13cyclictest0-21swapper/3010:02:3224
2294699176124,26cyclictest0-21swapper/612:18:4836
2294699176124,26cyclictest0-21swapper/612:18:4736
2294699176123,34cyclictest3617-21lxd09:49:3936
2294699176123,34cyclictest3617-21lxd09:49:3936
2294499176161,9cyclictest22738-21sshd11:04:0734
2294499176161,9cyclictest22738-21sshd11:04:0734
2294399176162,12cyclictest0-21swapper/309:58:1623
2294399176162,12cyclictest0-21swapper/309:58:1523
2294699175131,20cyclictest0-21swapper/610:40:5636
2294699175131,20cyclictest0-21swapper/610:40:5536
2294399175169,4cyclictest0-21swapper/312:13:4623
2294399175169,4cyclictest0-21swapper/312:13:4623
2294099175158,13cyclictest0-21swapper/108:10:121
2294799174171,2cyclictest0-21swapper/710:00:1737
2294799174171,2cyclictest0-21swapper/710:00:1737
2294799174171,2cyclictest0-21swapper/710:00:1637
229449917491,55cyclictest0-21swapper/408:00:1834
229449917491,55cyclictest0-21swapper/408:00:1834
2297499173149,13cyclictest0-21swapper/3009:54:1424
2297499173149,13cyclictest0-21swapper/3009:54:1424
2297499173149,13cyclictest0-21swapper/3009:54:1424
2297499173141,14cyclictest171rcu_preempt10:59:1224
2297499173141,14cyclictest171rcu_preempt10:59:1224
2297499173129,25cyclictest0-21swapper/3011:01:2724
2297499173129,25cyclictest0-21swapper/3011:01:2724
2295999173157,6cyclictest0-21swapper/1811:39:3010
2295999173157,6cyclictest0-21swapper/1811:39:3010
2294699173163,8cyclictest0-21swapper/611:35:4436
2294699173163,8cyclictest0-21swapper/611:35:4436
2297499172123,20cyclictest0-21swapper/3007:18:0324
2297499172123,20cyclictest0-21swapper/3007:18:0324
2295799172135,35cyclictest0-21swapper/1610:52:428
2295799172135,35cyclictest0-21swapper/1610:52:418
2295799172135,35cyclictest0-21swapper/1610:52:418
2294499172121,16cyclictest0-21swapper/409:00:0034
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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