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2025-12-27 - 13:54
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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 Sat Dec 27, 2025 01:00:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3164699215200,11cyclictest37354-21CPU33
3164699215200,11cyclictest37354-21CPU33
3164699215200,11cyclictest37354-21CPU33
31618992151,2cyclictest0-21swapper/1522:00:127
31618992151,2cyclictest0-21swapper/1522:00:127
31618992151,2cyclictest0-21swapper/1522:00:127
3160199215203,8cyclictest3545-21CPU1
3160199215203,8cyclictest3545-21CPU1
3160199215203,8cyclictest3545-21CPU1
3160199211198,10cyclictest0-21swapper/100:40:021
3160199211198,10cyclictest0-21swapper/100:40:011
3160199211198,10cyclictest0-21swapper/100:40:011
3160199210202,5cyclictest0-21swapper/123:05:171
3160199210202,5cyclictest0-21swapper/123:05:171
3160199210198,7cyclictest3610-21CPU1
3160199210198,7cyclictest3610-21CPU1
3160199202193,6cyclictest0-21swapper/121:36:361
3160199202193,6cyclictest0-21swapper/121:36:361
3160199202191,8cyclictest0-21swapper/123:15:141
3160199202191,8cyclictest0-21swapper/123:15:131
3160199200194,4cyclictest0-21swapper/119:20:011
3160199200194,4cyclictest0-21swapper/119:20:011
3160199200190,8cyclictest0-21swapper/121:42:471
3160199200190,8cyclictest0-21swapper/121:42:471
31618991991,194cyclictest1367-21dbus-daemon21:57:417
31618991991,194cyclictest1367-21dbus-daemon21:57:417
316169919793,85cyclictest2462-21CPU5
316169919793,85cyclictest2462-21CPU5
3160299197179,8cyclictest0-21swapper/222:53:3712
3160299197179,8cyclictest0-21swapper/222:53:3712
3160299196191,3cyclictest0-21swapper/223:27:1112
3160299196191,3cyclictest0-21swapper/223:27:1112
3160299196191,3cyclictest0-21swapper/223:27:1112
3160199195189,4cyclictest0-21swapper/121:16:481
3160199195189,4cyclictest0-21swapper/121:16:481
3160199194188,4cyclictest0-21swapper/120:02:131
3160199194188,4cyclictest0-21swapper/100:04:271
3160199194188,4cyclictest0-21swapper/100:04:271
3160199194188,4cyclictest0-21swapper/100:04:271
3163499193188,3cyclictest0-21swapper/2823:53:0421
3163499193188,3cyclictest0-21swapper/2823:53:0421
3160199193187,4cyclictest0-21swapper/123:44:071
3160199193187,4cyclictest0-21swapper/123:44:071
3160199193187,4cyclictest0-21swapper/123:44:071
3160199193184,5cyclictest13146-21kworker/u81:3-events_unbound22:14:001
3160199193184,5cyclictest13146-21kworker/u81:3-events_unbound22:14:001
3160199193184,5cyclictest13146-21kworker/u81:3-events_unbound22:14:001
3164699192155,27cyclictest0-21swapper/3922:00:0333
3164699192155,27cyclictest0-21swapper/3922:00:0333
3160199192187,4cyclictest0-21swapper/122:57:171
3160199192187,4cyclictest0-21swapper/122:57:171
3160199192152,28cyclictest1360-21systemd-logind00:34:271
3160199192152,28cyclictest1360-21systemd-logind00:34:271
3160199191185,4cyclictest0-21swapper/100:10:471
3160199191185,4cyclictest0-21swapper/100:10:471
3160199191181,8cyclictest0-21swapper/100:07:461
3160199191181,8cyclictest0-21swapper/100:07:461
3163599190170,12cyclictest0-21swapper/2923:40:4522
3163599190170,12cyclictest0-21swapper/2923:40:4522
3163599190170,12cyclictest0-21swapper/2923:40:4522
3160199189184,4cyclictest0-21swapper/119:20:081
3160199189184,4cyclictest0-21swapper/119:20:081
3164399188172,9cyclictest0-21swapper/3721:46:5431
3164399188172,9cyclictest0-21swapper/3721:46:5431
3160199187180,5cyclictest0-21swapper/123:52:221
3160199187180,5cyclictest0-21swapper/123:52:221
3160099187180,6cyclictest0-21swapper/022:57:040
3160099187180,6cyclictest0-21swapper/022:57:040
3164699185169,14cyclictest0-21swapper/3923:21:1833
3164699185169,14cyclictest0-21swapper/3923:21:1833
3163499184178,4cyclictest0-21swapper/2822:08:4621
3163499184178,4cyclictest0-21swapper/2822:08:4621
3160099184175,7cyclictest0-21swapper/023:59:000
3160099184175,7cyclictest0-21swapper/023:59:000
3160099184175,7cyclictest0-21swapper/023:59:000
3160199183178,4cyclictest0-21swapper/121:12:411
3160199183178,4cyclictest0-21swapper/121:12:411
3160199183178,4cyclictest0-21swapper/121:12:411
3160199183175,5cyclictest32063-21systemd-cgroups22:17:241
3160199183175,5cyclictest32063-21systemd-cgroups22:17:241
3160199183175,5cyclictest32063-21systemd-cgroups22:17:241
3160199183152,26cyclictest0-21swapper/120:06:461
3160099182170,10cyclictest0-21swapper/022:22:540
3160099182170,10cyclictest0-21swapper/022:22:540
3160099182170,10cyclictest0-21swapper/022:22:540
3161499181161,17cyclictest3609-21CPU3
3161499181161,17cyclictest3609-21CPU3
3160299181172,7cyclictest0-21swapper/223:54:4912
3160299181172,7cyclictest0-21swapper/223:54:4912
3163499180168,10cyclictest0-21swapper/2821:59:4721
3163499180168,10cyclictest0-21swapper/2821:59:4721
3163499179157,14cyclictest0-21swapper/2821:30:3621
3163499179157,14cyclictest0-21swapper/2821:30:3621
3161499179161,13cyclictest0-21swapper/1122:11:563
3161499179161,13cyclictest0-21swapper/1122:11:563
3161499179161,13cyclictest0-21swapper/1122:11:563
3161599178174,2cyclictest0-21swapper/1219:20:174
3161599178174,2cyclictest0-21swapper/1219:20:174
3160299178169,7cyclictest0-21swapper/223:22:5912
3160299178169,7cyclictest0-21swapper/223:22:5912
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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