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2026-07-01 - 12:34
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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 Wed Jul 01, 2026 01:01:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1657299211133,74cyclictest3548-21CPU12
1657299211133,74cyclictest3548-21CPU12
1658999202187,11cyclictest0-21swapper/1720:20:159
1658999202187,11cyclictest0-21swapper/1720:20:159
1658999193185,6cyclictest0-21swapper/1721:40:259
1658999193185,6cyclictest0-21swapper/1721:40:259
1658999191183,6cyclictest0-21swapper/1721:17:239
1658999191183,6cyclictest0-21swapper/1721:17:239
1658999190182,6cyclictest0-21swapper/1722:15:109
1658999190182,6cyclictest0-21swapper/1722:15:109
1658999188183,4cyclictest0-21swapper/1721:35:169
1658999188183,4cyclictest0-21swapper/1721:35:159
1658999188181,5cyclictest0-21swapper/1720:43:369
1658999186166,16cyclictest0-21swapper/1721:49:349
1658999186166,16cyclictest0-21swapper/1721:49:349
1658999186166,16cyclictest0-21swapper/1721:49:349
1657099186182,2cyclictest36040-21kworker/u81:5+events_unbound23:45:160
1657099186182,2cyclictest36040-21kworker/u81:5+events_unbound23:45:150
1658999185179,4cyclictest0-21swapper/1721:12:389
1658999185179,4cyclictest0-21swapper/1721:12:389
1658999185178,5cyclictest0-21swapper/1721:29:489
1658999185178,5cyclictest0-21swapper/1721:29:479
1657699185180,3cyclictest21483-21kworker/u81:2+events_unbound00:07:0636
1657699185180,3cyclictest21483-21kworker/u81:2+events_unbound00:07:0536
1658999181173,7cyclictest0-21swapper/1721:21:429
1658999181173,7cyclictest0-21swapper/1721:21:429
1658999179173,5cyclictest0-21swapper/1721:55:059
1658999179173,5cyclictest0-21swapper/1721:55:059
1658999179173,5cyclictest0-21swapper/1721:55:059
1658999178170,4cyclictest0-21swapper/1722:03:589
1658999178170,4cyclictest0-21swapper/1722:03:589
1657199178147,22cyclictest37264-21CPU1
1657199178147,22cyclictest37264-21CPU1
1661499177169,6cyclictest0-21swapper/3822:30:0232
1661499177169,6cyclictest0-21swapper/3822:30:0232
1658999176171,3cyclictest0-21swapper/1722:20:369
1658999176171,3cyclictest0-21swapper/1722:20:369
1658999176167,7cyclictest0-21swapper/1722:05:179
1658999176167,7cyclictest0-21swapper/1722:05:179
1660799175146,27cyclictest373-21kswapd100:35:1927
1660799175146,27cyclictest373-21kswapd100:35:1927
1657199175170,3cyclictest0-21swapper/123:05:191
1657199175170,3cyclictest0-21swapper/123:05:191
1657199175170,3cyclictest0-21swapper/123:05:191
1658999174158,9cyclictest0-21swapper/1721:55:429
1658999174158,9cyclictest0-21swapper/1721:55:419
1659599173153,16cyclictest34431-21kworker/u81:1+events_unbound23:30:2815
1659599173153,16cyclictest34431-21kworker/u81:1+events_unbound23:30:2815
1658999173165,6cyclictest0-21swapper/1721:00:169
1658999173165,6cyclictest0-21swapper/1721:00:159
1658999173162,9cyclictest0-21swapper/1720:15:259
1658999173162,9cyclictest0-21swapper/1720:15:259
1657299173121,49cyclictest0-21swapper/223:59:5612
1657299173121,49cyclictest0-21swapper/223:59:5512
1657299173121,49cyclictest0-21swapper/223:59:5512
1658999172161,7cyclictest32546-21sed20:45:349
1658999172161,7cyclictest32546-21sed20:45:349
1658999170156,12cyclictest0-21swapper/1719:50:489
1658999170156,12cyclictest0-21swapper/1719:50:489
1658999170132,23cyclictest37356-21CPU9
1658999170132,23cyclictest37356-21CPU9
1657599170160,8cyclictest0-21swapper/522:25:0835
1657599170160,8cyclictest0-21swapper/522:25:0835
1661499169165,2cyclictest0-21swapper/3823:58:2632
1661499169165,2cyclictest0-21swapper/3823:58:2532
1661499169165,2cyclictest0-21swapper/3823:58:2532
1658999169160,7cyclictest0-21swapper/1700:03:199
1658999169160,7cyclictest0-21swapper/1700:03:189
1657499169133,10cyclictest0-21swapper/421:44:1134
1657499169133,10cyclictest0-21swapper/421:44:1134
1658999168149,11cyclictest0-21swapper/1722:12:169
1658999168149,11cyclictest0-21swapper/1722:12:159
1658999168149,11cyclictest0-21swapper/1722:12:159
1658999168148,15cyclictest0-21swapper/1720:05:289
1658999168148,15cyclictest0-21swapper/1720:05:289
1657299168134,25cyclictest0-21swapper/221:51:2212
1657299168134,25cyclictest0-21swapper/221:51:2212
1657299168134,25cyclictest0-21swapper/221:51:2212
1661499167160,3cyclictest25506-21systemd-cgroups23:25:3332
1661499167160,3cyclictest25506-21systemd-cgroups23:25:3332
1661499166159,4cyclictest1-21systemd22:40:2932
1661499166159,4cyclictest1-21systemd22:40:2832
1660799166161,3cyclictest17483-21nfsd23:30:1927
1660799166161,3cyclictest17483-21nfsd23:30:1827
1660599166152,6cyclictest0-21swapper/3123:30:2025
1660599166152,6cyclictest0-21swapper/3123:30:2025
1659299166163,2cyclictest0-21swapper/1923:45:2311
1659299166163,2cyclictest0-21swapper/1923:45:2211
1661499165159,4cyclictest0-21swapper/3823:40:2032
1661499165159,4cyclictest0-21swapper/3823:40:2032
1661499165158,6cyclictest0-21swapper/3823:02:2732
1661499165158,6cyclictest0-21swapper/3823:02:2732
1660199165109,46cyclictest0-21swapper/2821:29:3221
1660199165109,46cyclictest0-21swapper/2821:29:3121
1661499164158,4cyclictest0-21swapper/3823:05:1232
1661499164158,4cyclictest0-21swapper/3823:05:1232
1661499164158,4cyclictest0-21swapper/3823:05:1232
1658999164157,5cyclictest0-21swapper/1720:25:249
1658999164157,5cyclictest0-21swapper/1720:25:249
1658999164141,4cyclictest0-21swapper/1722:45:479
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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