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2026-06-29 - 12:10
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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 Jun 29, 2026 01:02:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2500299203138,59cyclictest37355-21CPU33
2500299203138,59cyclictest37355-21CPU33
2500299203138,59cyclictest37355-21CPU33
2495899202192,3cyclictest0-21swapper/223:46:2212
2495899202192,3cyclictest0-21swapper/223:46:2212
2499899201198,2cyclictest0-21swapper/3522:50:2229
2499899201198,2cyclictest0-21swapper/3522:50:2229
2497899196127,61cyclictest37356-21CPU11
2497899196127,61cyclictest37356-21CPU11
24999991900,186cyclictest37346-21qemu-system-x8600:10:1730
24999991900,186cyclictest37346-21qemu-system-x8600:10:1630
24999991900,186cyclictest37346-21qemu-system-x8600:10:1630
24999991881,173cyclictest0-21swapper/3623:40:1630
24999991881,173cyclictest0-21swapper/3623:40:1530
24999991881,173cyclictest0-21swapper/3623:40:1530
2500199187171,12cyclictest0-21swapper/3823:06:0032
2500199187171,12cyclictest0-21swapper/3823:06:0032
2499799187173,11cyclictest0-21swapper/3421:44:4828
2499799187173,11cyclictest0-21swapper/3421:44:4828
2495899187167,17cyclictest37354-21CPU12
2495899187167,17cyclictest37354-21CPU12
2496799186182,2cyclictest0-21swapper/1023:00:212
2496799186182,2cyclictest0-21swapper/1023:00:212
2496199186176,8cyclictest0-21swapper/423:29:0434
2496199186176,8cyclictest0-21swapper/423:29:0434
2500299185157,14cyclictest0-21swapper/3923:26:2333
2500299185157,14cyclictest0-21swapper/3923:26:2333
2499799185180,3cyclictest0-21swapper/3400:08:5628
2499799185180,3cyclictest0-21swapper/3400:08:5528
2498999185171,12cyclictest0-21swapper/2921:20:0622
2498999185171,12cyclictest0-21swapper/2921:20:0622
2499999184166,15cyclictest0-21swapper/3623:51:5530
2499999184166,15cyclictest0-21swapper/3623:51:5530
2499999184166,15cyclictest0-21swapper/3623:51:5530
2499999184145,37cyclictest0-21swapper/3621:45:4930
2499999184145,37cyclictest0-21swapper/3621:45:4830
2500199183176,4cyclictest0-21swapper/3821:43:5132
2500199183176,4cyclictest0-21swapper/3821:43:5132
2500099183169,11cyclictest2466-21CPU31
2500099183169,11cyclictest2466-21CPU31
2499699183175,2cyclictest0-21swapper/3323:00:2227
2499699183175,2cyclictest0-21swapper/3323:00:2227
2497899183173,6cyclictest0-21swapper/1922:33:0611
2497899183173,6cyclictest0-21swapper/1922:33:0511
2499999182133,39cyclictest0-21swapper/3622:25:3530
2499999182133,39cyclictest0-21swapper/3622:25:3530
2499999182133,39cyclictest0-21swapper/3622:25:3430
2498999182174,6cyclictest0-21swapper/2922:07:1322
2498999182174,6cyclictest0-21swapper/2922:07:1322
2498699182159,16cyclictest171rcu_preempt00:31:2919
2498699182159,16cyclictest171rcu_preempt00:31:2819
2498699182159,16cyclictest171rcu_preempt00:31:2819
2500199181173,6cyclictest0-21swapper/3823:29:1932
2500199181173,6cyclictest0-21swapper/3823:29:1932
2500099181177,2cyclictest0-21swapper/3719:35:4831
2500099181177,2cyclictest0-21swapper/3719:35:4831
2496199181165,9cyclictest0-21swapper/423:34:3534
2496199181165,9cyclictest0-21swapper/423:34:3534
2496199181165,9cyclictest0-21swapper/423:34:3534
24999991801,170cyclictest0-21swapper/3623:15:1530
24999991801,170cyclictest0-21swapper/3623:15:1530
24999991801,170cyclictest0-21swapper/3623:15:1530
2499799180142,34cyclictest3547-21CPU28
2499799180142,34cyclictest3547-21CPU28
2499499180175,3cyclictest0-21swapper/3200:10:1326
2499499180175,3cyclictest0-21swapper/3200:10:1226
2499499180175,3cyclictest0-21swapper/3200:10:1226
2498699180138,38cyclictest37351-21CPU19
2498699180138,38cyclictest37351-21CPU19
2498699180138,38cyclictest37351-21CPU19
2495899180164,7cyclictest171rcu_preempt21:01:1912
2495899180164,7cyclictest171rcu_preempt21:01:1812
2499299179169,2cyclictest0-21swapper/3122:06:1625
2499299179169,2cyclictest0-21swapper/3122:06:1625
2498099179172,4cyclictest1-21systemd23:42:4114
2498099179172,4cyclictest1-21systemd23:42:4114
2498099179172,4cyclictest1-21systemd23:42:4014
2495999179139,37cyclictest0-21swapper/300:12:0923
2495999179139,37cyclictest0-21swapper/300:12:0923
2495999179139,37cyclictest0-21swapper/300:12:0823
2500199178167,7cyclictest0-21swapper/3821:47:4032
2500199178167,7cyclictest0-21swapper/3821:47:3932
2500099178164,9cyclictest0-21swapper/3722:37:5431
2500099178164,9cyclictest0-21swapper/3722:37:5331
2500099178164,9cyclictest0-21swapper/3722:37:5331
2499999178155,20cyclictest0-21swapper/3623:59:3330
2499999178155,20cyclictest0-21swapper/3623:59:3230
2499999178155,20cyclictest0-21swapper/3623:59:3230
24999991781,173cyclictest0-21swapper/3600:05:2030
24999991781,173cyclictest0-21swapper/3600:05:1930
2498999178150,17cyclictest171rcu_preempt00:31:4722
2498999178150,17cyclictest171rcu_preempt00:31:4722
2498999178150,17cyclictest171rcu_preempt00:31:4622
2498999178128,35cyclictest3546-21CPU22
2498999178128,35cyclictest3546-21CPU22
2496599178175,2cyclictest0-21swapper/800:31:1238
2496599178175,2cyclictest0-21swapper/800:31:1238
2496599178175,2cyclictest0-21swapper/800:31:1138
2495999178136,39cyclictest0-21swapper/322:30:0123
2495999178136,39cyclictest0-21swapper/322:30:0023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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