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2026-03-27 - 16:51
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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 rackcslot6.osadl.org (updated Fri Mar 27, 2026 12:46:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
199862099380379,1cyclictest0-21swapper/708:05:027
1998620993800,1cyclictest0-21swapper/711:27:017
1998620993800,1cyclictest0-21swapper/711:27:017
199862099377376,1cyclictest0-21swapper/710:45:027
199862099377376,1cyclictest0-21swapper/709:37:027
199862099375373,1cyclictest0-21swapper/712:37:027
199862099372371,1cyclictest0-21swapper/708:17:017
199862099371369,1cyclictest0-21swapper/707:50:017
199862099370368,1cyclictest0-21swapper/712:09:027
199862099369368,1cyclictest0-21swapper/709:27:017
199862099365364,1cyclictest0-21swapper/709:58:027
199862099365364,1cyclictest0-21swapper/709:58:017
199862099365363,1cyclictest2023347-21kworker/7:108:53:027
199862099365363,1cyclictest0-21swapper/707:10:027
199862099364363,1cyclictest2065411-21kworker/7:211:01:027
199862099364363,1cyclictest2065411-21kworker/7:210:09:027
199862099363361,1cyclictest2065411-21kworker/7:212:01:027
199862099362361,1cyclictest2065411-21kworker/7:210:13:027
199862099362360,1cyclictest2065411-21kworker/7:211:23:017
199862099362360,1cyclictest2065411-21kworker/7:210:31:027
199862099362360,1cyclictest2011152-21kworker/7:207:41:027
199862099361359,1cyclictest2065411-21kworker/7:212:17:017
199862099361359,1cyclictest2065411-21kworker/7:209:51:017
199862099361359,1cyclictest2023347-21kworker/7:108:11:017
199862099361359,1cyclictest1995446-21kworker/7:007:23:027
199862099359357,1cyclictest2065411-21kworker/7:211:19:027
199862099358355,2cyclictest63-21ksoftirqd/710:37:027
199862099357356,1cyclictest0-21swapper/707:27:027
199862099355354,1cyclictest0-21swapper/712:24:017
199862099355354,1cyclictest0-21swapper/711:48:027
199862099355354,1cyclictest0-21swapper/710:57:027
199862099355354,1cyclictest0-21swapper/709:41:027
199862099355354,1cyclictest0-21swapper/708:00:017
199862099355354,1cyclictest0-21swapper/707:35:027
199862099355353,1cyclictest2065411-21kworker/7:211:14:027
199862099355352,2cyclictest2065411-21kworker/7:211:55:017
199862099354353,1cyclictest0-21swapper/710:28:017
199862099354353,1cyclictest0-21swapper/710:23:027
199862099354353,1cyclictest0-21swapper/710:18:017
199862099354353,1cyclictest0-21swapper/708:46:027
199862099354353,1cyclictest0-21swapper/708:29:017
199862099354353,1cyclictest0-21swapper/708:29:017
199862099354352,1cyclictest2065411-21kworker/7:212:28:017
199862099354352,1cyclictest2065411-21kworker/7:209:10:027
199862099353352,1cyclictest2065411-21kworker/7:211:05:027
199862099353352,1cyclictest0-21swapper/710:53:027
199862099353352,1cyclictest0-21swapper/710:03:027
199862099353352,1cyclictest0-21swapper/708:24:017
199862099352351,1cyclictest2065411-21kworker/7:212:33:027
199862099352351,1cyclictest2065411-21kworker/7:209:45:017
199862099351350,1cyclictest2065411-21kworker/7:211:33:027
199862099350348,1cyclictest2065411-21kworker/7:211:41:027
199862099350348,1cyclictest2065411-21kworker/7:210:41:027
199862099348347,1cyclictest2065411-21kworker/7:209:01:027
199862099348346,1cyclictest2065411-21kworker/7:209:31:027
199862099347346,1cyclictest2065411-21kworker/7:209:07:027
199860099344341,2cyclictest488-21jbd2/nvme0n1p2-10:55:024
199860099342340,1cyclictest0-21swapper/410:25:014
199860099341340,1cyclictest0-21swapper/411:03:024
199860099341339,1cyclictest0-21swapper/411:53:024
199860099341337,2cyclictest2107435-21systemd-userwor10:07:024
199860099340337,2cyclictest1954462-21kworker/4:108:37:024
199860099339338,1cyclictest2128794-21kworker/4:211:57:014
199860099338337,1cyclictest0-21swapper/408:13:014
199860099338336,1cyclictest1954462-21kworker/4:107:21:024
199860099338336,1cyclictest0-21swapper/408:27:014
199860099338336,1cyclictest0-21swapper/408:27:014
199860099336335,1cyclictest1954462-21kworker/4:108:53:024
199860099336334,1cyclictest1954462-21kworker/4:107:53:014
199860099334333,1cyclictest0-21swapper/412:25:024
199860099334333,1cyclictest0-21swapper/411:09:024
199860099334333,1cyclictest0-21swapper/409:35:024
199860099334333,1cyclictest0-21swapper/408:32:024
199860099334332,1cyclictest2128794-21kworker/4:211:23:014
199860099334332,1cyclictest1954462-21kworker/4:110:31:024
199860099334332,1cyclictest1954462-21kworker/4:107:41:024
199860099333332,1cyclictest2128794-21kworker/4:212:01:024
199860099333332,1cyclictest1954462-21kworker/4:110:00:024
199860099333332,1cyclictest0-21swapper/407:58:014
199860099333331,1cyclictest0-21swapper/410:54:024
199860099333331,1cyclictest0-21swapper/410:36:024
199860099332331,1cyclictest2128794-21kworker/4:211:29:024
199860099332331,1cyclictest2128794-21kworker/4:211:29:014
199860099332331,1cyclictest0-21swapper/409:51:014
199860099332331,1cyclictest0-21swapper/408:48:024
199860099332330,1cyclictest2128794-21kworker/4:212:16:024
199860099332330,1cyclictest1954462-21kworker/4:107:33:024
199860099332330,1cyclictest0-21swapper/412:22:014
199860099332330,1cyclictest0-21swapper/411:40:024
199860099331330,1cyclictest2128794-21kworker/4:211:13:024
199860099331330,1cyclictest1954462-21kworker/4:109:03:024
199860099331330,1cyclictest0-21swapper/412:30:024
199860099331330,1cyclictest0-21swapper/409:06:024
199860099331330,1cyclictest0-21swapper/408:08:014
199860099331329,1cyclictest2128794-21kworker/4:211:19:024
199860099331329,1cyclictest1954462-21kworker/4:108:43:024
199860099331329,1cyclictest0-21swapper/410:49:024
199860099331329,1cyclictest0-21swapper/410:40:024
199860099330329,1cyclictest0-21swapper/410:14:014
199857399330329,1cyclictest0-21swapper/111:27:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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