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2026-04-29 - 17:04
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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 Wed Apr 29, 2026 13:03:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3770899238231,3cyclictest3542-21CPU37
3770899238231,3cyclictest3542-21CPU37
3770899235228,5cyclictest0-21swapper/710:40:1137
3770899235228,5cyclictest0-21swapper/710:40:1037
3770899235228,5cyclictest0-21swapper/710:40:1037
3772299234230,2cyclictest0-21swapper/1909:10:1911
3772299234230,2cyclictest0-21swapper/1909:10:1911
3772299234230,2cyclictest0-21swapper/1909:10:1911
3770899231213,11cyclictest0-21swapper/711:30:1237
3770899231213,11cyclictest0-21swapper/711:30:1137
3770699230222,6cyclictest0-21swapper/607:10:1436
3770899229224,3cyclictest0-21swapper/710:19:1437
3770899229224,3cyclictest0-21swapper/710:19:1437
3770899227217,5cyclictest37351-21CPU37
3770899227217,5cyclictest37351-21CPU37
3770899227217,5cyclictest37351-21CPU37
3770899224212,8cyclictest37270-21CPU37
3770899224212,8cyclictest37270-21CPU37
3770899224212,8cyclictest37270-21CPU37
3770899222216,4cyclictest0-21swapper/712:30:4737
3770899222216,4cyclictest0-21swapper/712:30:4737
3774199221212,6cyclictest0-21swapper/3509:10:0029
3774199221212,6cyclictest0-21swapper/3509:10:0029
3774199221212,6cyclictest0-21swapper/3509:10:0029
3770899221213,6cyclictest0-21swapper/711:29:5437
3770899221213,6cyclictest0-21swapper/711:29:5437
3770899221213,6cyclictest0-21swapper/711:29:5437
3770699221212,5cyclictest0-21swapper/607:10:0136
3770699221212,5cyclictest0-21swapper/607:10:0036
3770899219205,6cyclictest0-21swapper/711:22:5737
3770899219205,6cyclictest0-21swapper/711:22:5737
3770899219205,6cyclictest0-21swapper/711:22:5637
3770899219201,15cyclictest0-21swapper/711:45:3137
3770899219201,15cyclictest0-21swapper/711:45:3137
3770899219201,15cyclictest0-21swapper/711:45:3037
3772999218209,6cyclictest0-21swapper/2512:08:1718
3772999218209,6cyclictest0-21swapper/2512:08:1618
3772999218209,6cyclictest0-21swapper/2512:08:1618
3772299218213,3cyclictest0-21swapper/1911:50:1711
3772299218213,3cyclictest0-21swapper/1911:50:1611
3772299218213,3cyclictest0-21swapper/1911:50:1611
3770899218211,3cyclictest3609-21CPU37
3770899218211,3cyclictest3609-21CPU37
3770899218211,3cyclictest3609-21CPU37
3774499217213,2cyclictest0-21swapper/3811:45:4432
3774499217213,2cyclictest0-21swapper/3811:45:4432
3774499217213,2cyclictest0-21swapper/3811:45:4332
3770899217210,3cyclictest3545-21CPU37
3770899217210,3cyclictest3545-21CPU37
3770899216207,5cyclictest2456-21CPU37
3770899216207,5cyclictest2456-21CPU37
3774199214202,10cyclictest0-21swapper/3509:00:1529
3770899214208,4cyclictest0-21swapper/712:09:3137
3770899214208,4cyclictest0-21swapper/712:09:3137
3770899214208,4cyclictest0-21swapper/712:09:3037
3770899214207,5cyclictest16847-21sshd11:02:2037
3770899214207,5cyclictest16847-21sshd11:02:2037
3770899214207,5cyclictest16847-21sshd11:02:2037
3770899214207,5cyclictest0-21swapper/710:33:5637
3770899214207,5cyclictest0-21swapper/710:33:5637
3770899214207,5cyclictest0-21swapper/710:33:5537
3770399214209,3cyclictest0-21swapper/310:15:2223
3770399214209,3cyclictest0-21swapper/310:15:2123
3774199213205,4cyclictest37268-21CPU29
3774199213205,4cyclictest37268-21CPU29
3770899213207,5cyclictest0-21swapper/712:35:1637
3770899213207,5cyclictest0-21swapper/712:35:1637
3770899213206,4cyclictest0-21swapper/711:19:1937
3770899213206,4cyclictest0-21swapper/711:19:1837
3772999212193,15cyclictest0-21swapper/2510:00:0418
3772999212193,15cyclictest0-21swapper/2510:00:0318
3772999212193,15cyclictest0-21swapper/2510:00:0318
3770899212187,20cyclictest0-21swapper/711:40:0437
3770899212187,20cyclictest0-21swapper/711:40:0437
3770899212187,20cyclictest0-21swapper/711:40:0437
3772699211206,3cyclictest28774-21kworker/u80:2-ext4-rsv-conversion10:26:1315
3772699211206,3cyclictest28774-21kworker/u80:2-ext4-rsv-conversion10:26:1215
3770899210204,4cyclictest0-21swapper/711:50:2937
3770899210204,4cyclictest0-21swapper/711:50:2937
3770899210204,4cyclictest0-21swapper/711:50:2837
3770899210203,5cyclictest0-21swapper/711:42:0037
3770899210203,5cyclictest0-21swapper/711:41:5937
3774199209203,4cyclictest0-21swapper/3509:50:1529
3774199209203,4cyclictest0-21swapper/3509:50:1529
3774199209203,4cyclictest0-21swapper/3509:37:0229
3774199209203,4cyclictest0-21swapper/3509:37:0229
3774199209203,4cyclictest0-21swapper/3509:37:0229
3770899209203,4cyclictest0-21swapper/711:14:5637
3770899209203,4cyclictest0-21swapper/711:14:5637
3770899209203,4cyclictest0-21swapper/711:14:5637
3773899208204,2cyclictest0-21swapper/3210:15:1926
3773899208204,2cyclictest0-21swapper/3210:15:1826
3772999208199,5cyclictest2454-21CPU18
3772999208199,5cyclictest2454-21CPU18
3772699208185,14cyclictest0-21swapper/2209:10:0115
3772699208185,14cyclictest0-21swapper/2209:10:0115
3772699208185,14cyclictest0-21swapper/2209:10:0015
3770899208201,4cyclictest0-21swapper/710:20:1537
3770899208201,4cyclictest0-21swapper/710:20:1537
3770899208201,4cyclictest0-21swapper/710:20:1537
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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