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2026-06-16 - 05:04
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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 Tue Jun 16, 2026 01:01:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3568699225222,2cyclictest0-21swapper/2121:22:5814
3568699225222,2cyclictest0-21swapper/2121:22:5714
3569399202186,7cyclictest0-21swapper/2719:45:3720
3566599199166,27cyclictest0-21swapper/323:03:0623
3566599199166,27cyclictest0-21swapper/323:03:0623
3568899195169,24cyclictest0-21swapper/2321:39:5016
3568899195169,24cyclictest0-21swapper/2321:39:5016
356759919551,134cyclictest0-21swapper/1223:40:114
356759919551,134cyclictest0-21swapper/1223:40:114
3570299194183,10cyclictest0-21swapper/3421:37:5528
3570299194183,10cyclictest0-21swapper/3421:37:5528
3566299194142,48cyclictest3610-21CPU0
3566299194142,48cyclictest3610-21CPU0
3566599192170,20cyclictest0-21swapper/322:02:0023
3566599192170,20cyclictest0-21swapper/322:02:0023
3566399192188,2cyclictest0-21swapper/122:32:441
3566399192188,2cyclictest0-21swapper/122:32:441
3570299191181,9cyclictest0-21swapper/3400:15:1128
3570299191181,9cyclictest0-21swapper/3400:15:1028
3568899191184,4cyclictest0-21swapper/2323:35:0716
3568899191184,4cyclictest0-21swapper/2323:35:0716
3568899191184,4cyclictest0-21swapper/2323:35:0716
3567599191126,57cyclictest0-21swapper/1222:41:534
3567599191126,57cyclictest0-21swapper/1222:41:524
3568599190177,11cyclictest0-21swapper/2023:05:2513
3568599190177,11cyclictest0-21swapper/2023:05:2513
3569399187149,11cyclictest171rcu_preempt20:58:1120
3569399187149,11cyclictest171rcu_preempt20:58:1120
3568899186125,34cyclictest0-21swapper/2300:12:0516
3568899186125,34cyclictest0-21swapper/2300:12:0516
3568899186125,34cyclictest0-21swapper/2300:12:0516
356729918614,168cyclictest0-21swapper/923:20:1339
356729918614,168cyclictest0-21swapper/923:20:1239
356729918614,168cyclictest0-21swapper/923:20:1239
3566299186153,28cyclictest0-21swapper/022:29:260
3566299186153,28cyclictest0-21swapper/022:29:250
3570299185181,3cyclictest0-21swapper/3423:47:2228
3570299185181,3cyclictest0-21swapper/3423:47:2128
356999918521,155cyclictest37265-21CPU26
356999918521,155cyclictest37265-21CPU26
3567899185151,31cyclictest0-21swapper/1421:52:066
3567899185151,31cyclictest0-21swapper/1421:52:056
3567899185151,31cyclictest0-21swapper/1421:52:056
35678991851,136cyclictest0-21swapper/1423:30:166
35678991851,136cyclictest0-21swapper/1423:30:166
3570299183176,6cyclictest0-21swapper/3422:14:4228
3570299183176,6cyclictest0-21swapper/3422:14:4128
3570299183176,6cyclictest0-21swapper/3422:14:4128
3569399183151,12cyclictest0-21swapper/2720:02:2020
3569399183151,12cyclictest0-21swapper/2720:02:1920
3568899183171,10cyclictest0-21swapper/2323:31:3916
3568899183171,10cyclictest0-21swapper/2323:31:3916
3566799183150,30cyclictest0-21swapper/522:20:4835
3566799183150,30cyclictest0-21swapper/522:20:4835
3570299182175,5cyclictest0-21swapper/3422:51:5228
3570299182175,5cyclictest0-21swapper/3422:51:5228
3568899182153,26cyclictest0-21swapper/2322:33:0516
3568899182153,26cyclictest0-21swapper/2322:33:0516
3567599182141,38cyclictest0-21swapper/1222:25:024
3567599182141,38cyclictest0-21swapper/1222:25:024
3566599182108,67cyclictest4407-21CPU23
3566599182108,67cyclictest4407-21CPU23
3566599182108,67cyclictest4407-21CPU23
3566299182147,26cyclictest0-21swapper/021:34:570
3566299182147,26cyclictest0-21swapper/021:34:570
3568999181168,8cyclictest0-21swapper/2422:14:4417
3568999181168,8cyclictest0-21swapper/2422:14:4317
3568999181168,8cyclictest0-21swapper/2422:14:4317
3568899181129,48cyclictest37356-21CPU16
3568899181129,48cyclictest37356-21CPU16
35665991811,3cyclictest0-21swapper/300:20:2023
35665991811,3cyclictest0-21swapper/300:20:1923
3566299181141,37cyclictest0-21swapper/020:56:110
3566299181141,37cyclictest0-21swapper/020:56:110
3570099180149,18cyclictest0-21swapper/3321:58:4727
3570099180149,18cyclictest0-21swapper/3321:58:4727
3568699180177,2cyclictest0-21swapper/2123:29:3414
3568699180177,2cyclictest0-21swapper/2123:29:3414
3568699180177,2cyclictest0-21swapper/2123:29:3414
3568399180152,22cyclictest0-21swapper/1823:34:1210
3568399180152,22cyclictest0-21swapper/1823:34:1210
3566299180147,27cyclictest0-21swapper/023:48:260
3566299180147,27cyclictest0-21swapper/023:48:260
35662991801,176cyclictest0-21swapper/000:40:010
35662991801,176cyclictest0-21swapper/000:40:010
35662991801,176cyclictest0-21swapper/000:40:000
3568899179114,59cyclictest37355-21CPU16
3568899179114,59cyclictest37355-21CPU16
35675991791,86cyclictest0-21swapper/1223:30:234
35675991791,86cyclictest0-21swapper/1223:30:234
3566599179153,23cyclictest0-21swapper/322:28:5823
3566599179153,23cyclictest0-21swapper/322:28:5823
3566299179150,27cyclictest0-21swapper/022:49:220
3566299179150,27cyclictest0-21swapper/022:49:210
3569499178170,4cyclictest3542-21CPU21
3569499178170,4cyclictest3542-21CPU21
3569499178170,4cyclictest3542-21CPU21
356889917817,149cyclictest0-21swapper/2321:20:1416
356889917817,149cyclictest0-21swapper/2321:20:1416
3568899178166,9cyclictest0-21swapper/2323:12:0416
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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