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2026-07-12 - 05:17
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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 Sun Jul 12, 2026 01:01:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
630299226218,6cyclictest0-21swapper/3322:41:0327
630299226218,6cyclictest0-21swapper/3322:41:0327
630299226218,6cyclictest0-21swapper/3322:41:0327
630299222212,8cyclictest0-21swapper/3320:01:3427
629999218207,4cyclictest0-21swapper/3020:21:1124
629999218207,4cyclictest0-21swapper/3020:21:1124
628899217207,8cyclictest0-21swapper/2119:25:0114
628899217207,8cyclictest0-21swapper/2119:25:0114
630299212205,5cyclictest0-21swapper/3322:00:2227
630299212205,5cyclictest0-21swapper/3322:00:2227
630299212203,5cyclictest2466-21CPU27
630299212203,5cyclictest2466-21CPU27
630299211204,3cyclictest3541-21CPU27
630299211204,3cyclictest3541-21CPU27
630299210201,5cyclictest0-21swapper/3321:37:1827
630299210201,5cyclictest0-21swapper/3321:37:1827
630299209198,9cyclictest0-21swapper/3320:17:2127
630299209198,9cyclictest0-21swapper/3320:17:2127
630299208203,2cyclictest2286-21ntp_states22:25:3027
630299208203,2cyclictest2286-21ntp_states22:25:3027
628799208200,5cyclictest0-21swapper/2023:26:4613
628799208200,5cyclictest0-21swapper/2023:26:4613
628899207197,8cyclictest0-21swapper/2119:15:0114
628899207197,8cyclictest0-21swapper/2119:15:0114
630599205197,5cyclictest0-21swapper/3620:54:0630
630599205197,5cyclictest0-21swapper/3620:54:0630
628799205186,17cyclictest0-21swapper/2019:41:0713
628799205186,17cyclictest0-21swapper/2019:41:0713
627399205200,2cyclictest0-21swapper/723:31:3637
627399205200,2cyclictest0-21swapper/723:31:3637
628899204197,3cyclictest3545-21CPU14
628899204197,3cyclictest3545-21CPU14
626599204141,3cyclictest372-21kswapd000:09:201
626599204141,3cyclictest372-21kswapd000:09:201
630299203196,4cyclictest3541-21CPU27
630299203196,4cyclictest3541-21CPU27
628899203198,4cyclictest0-21swapper/2123:49:3514
628899203198,4cyclictest0-21swapper/2123:49:3514
630299202195,5cyclictest0-21swapper/3320:45:1427
630299202195,5cyclictest0-21swapper/3320:45:1427
628799200191,7cyclictest0-21swapper/2021:12:0213
628799200191,7cyclictest0-21swapper/2021:12:0213
628799200190,5cyclictest3543-21CPU13
628799200190,5cyclictest3543-21CPU13
628799200190,5cyclictest3543-21CPU13
627399200193,5cyclictest3600-21qemu-system-x8621:10:5137
627399200193,5cyclictest3600-21qemu-system-x8621:10:5137
630299199193,4cyclictest6633-21swap19:35:3327
630299199193,4cyclictest6633-21swap19:35:3327
627399199179,16cyclictest0-21swapper/723:55:1637
627399199179,16cyclictest0-21swapper/723:55:1637
630599198191,5cyclictest0-21swapper/3620:28:3330
630599198191,5cyclictest0-21swapper/3620:28:3330
630299198193,4cyclictest0-21swapper/3323:01:0527
630299198193,4cyclictest0-21swapper/3323:01:0527
630299198192,4cyclictest0-21swapper/3320:05:2527
630299198192,4cyclictest0-21swapper/3320:05:2527
630299198190,3cyclictest37270-21CPU27
630299198190,3cyclictest37270-21CPU27
630299198184,11cyclictest0-21swapper/3320:27:0627
630299198184,11cyclictest0-21swapper/3320:27:0627
628899198194,2cyclictest0-21swapper/2121:17:0014
628899198194,2cyclictest0-21swapper/2121:17:0014
630299197191,4cyclictest0-21swapper/3323:21:1227
630299197191,4cyclictest0-21swapper/3323:21:1227
628899197191,4cyclictest0-21swapper/2100:27:5514
628899197191,4cyclictest0-21swapper/2100:27:5514
628899197191,4cyclictest0-21swapper/2100:27:5514
628799197186,9cyclictest0-21swapper/2021:35:3813
628799197186,9cyclictest0-21swapper/2021:35:3813
630699196189,5cyclictest0-21swapper/3722:22:4631
630699196189,5cyclictest0-21swapper/3722:22:4631
630699196189,5cyclictest0-21swapper/3722:22:4631
630599196189,4cyclictest3542-21CPU30
630599196189,4cyclictest3542-21CPU30
628899196187,7cyclictest4398-21qemu-system-x8621:13:2714
628899196187,7cyclictest4398-21qemu-system-x8621:13:2714
630299195190,4cyclictest0-21swapper/3323:15:2027
630299195190,4cyclictest0-21swapper/3323:15:2027
630299195187,6cyclictest25220-21run-parts22:52:0127
630299195187,6cyclictest25220-21run-parts22:52:0127
630299195187,4cyclictest37356-21CPU27
630299195187,4cyclictest37356-21CPU27
630299195187,4cyclictest37356-21CPU27
630299195184,9cyclictest0-21swapper/3321:50:2027
630299195184,9cyclictest0-21swapper/3321:50:2027
630299195184,9cyclictest0-21swapper/3321:50:2027
629399195189,4cyclictest0-21swapper/2400:11:2517
629399195189,4cyclictest0-21swapper/2400:11:2517
628799195185,6cyclictest0-21swapper/2021:25:0913
628799195185,6cyclictest0-21swapper/2021:25:0913
630299194187,4cyclictest2447-21CPU27
630299194187,4cyclictest2447-21CPU27
630299194180,11cyclictest0-21swapper/3323:37:1227
630299194180,11cyclictest0-21swapper/3323:37:1227
628899194188,4cyclictest0-21swapper/2121:41:0714
628899194188,4cyclictest0-21swapper/2121:41:0714
628899194188,4cyclictest0-21swapper/2121:41:0714
628799194190,2cyclictest0-21swapper/2000:10:5513
628799194190,2cyclictest0-21swapper/2000:10:5513
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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