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2026-06-28 - 06:53
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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 Jun 28, 2026 01:02:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
688999225217,5cyclictest0-21swapper/2622:00:1919
688999225217,5cyclictest0-21swapper/2622:00:1819
688999218197,11cyclictest0-21swapper/2623:32:0319
688999218197,11cyclictest0-21swapper/2623:32:0319
688999213199,11cyclictest0-21swapper/2622:05:2819
688999213199,11cyclictest0-21swapper/2622:05:2819
688999213199,11cyclictest0-21swapper/2622:05:2819
686099213206,5cyclictest0-21swapper/322:40:2723
686099213206,5cyclictest0-21swapper/322:40:2623
686099213206,5cyclictest0-21swapper/322:40:2623
688999212201,9cyclictest0-21swapper/2622:20:2719
688999212201,9cyclictest0-21swapper/2622:20:2719
688999210204,4cyclictest1-21systemd22:30:0119
688999210204,4cyclictest1-21systemd22:30:0119
686599210156,51cyclictest24172-21kworker/u81:0+events_unbound00:08:0437
686599210156,51cyclictest24172-21kworker/u81:0+events_unbound00:08:0437
689999209199,8cyclictest0-21swapper/3523:48:2929
689999209199,8cyclictest0-21swapper/3523:48:2929
689999209199,8cyclictest0-21swapper/3523:48:2929
688999209203,4cyclictest0-21swapper/2621:56:3219
688999209203,4cyclictest0-21swapper/2621:56:3119
688999209203,4cyclictest0-21swapper/2621:56:3119
688999209201,5cyclictest3600-21qemu-system-x8621:49:2019
688999209201,5cyclictest3600-21qemu-system-x8621:49:2019
688999209191,15cyclictest0-21swapper/2621:00:2119
688999209191,15cyclictest0-21swapper/2621:00:2119
689999208201,5cyclictest0-21swapper/3521:26:1629
689999208201,5cyclictest0-21swapper/3521:26:1629
689999208201,5cyclictest0-21swapper/3521:26:1529
688999208203,2cyclictest0-21swapper/2600:13:4519
688999208203,2cyclictest0-21swapper/2600:13:4519
688999208203,2cyclictest0-21swapper/2600:13:4519
688999208202,4cyclictest0-21swapper/2621:50:3119
688999208202,4cyclictest0-21swapper/2621:50:3119
688999208192,13cyclictest0-21swapper/2623:28:2619
688999208192,13cyclictest0-21swapper/2623:28:2519
688999208192,13cyclictest0-21swapper/2623:28:2519
689999207197,7cyclictest0-21swapper/3521:40:0729
689999207197,7cyclictest0-21swapper/3521:40:0729
688999207200,5cyclictest0-21swapper/2623:15:3619
688999207200,5cyclictest0-21swapper/2623:15:3619
687499206187,12cyclictest0-21swapper/1323:00:155
687499206187,12cyclictest0-21swapper/1323:00:155
687499206187,12cyclictest0-21swapper/1323:00:155
688999205199,4cyclictest0-21swapper/2623:40:3619
688999205199,4cyclictest0-21swapper/2623:40:3519
688999205193,9cyclictest25366-21systemd22:45:2419
688999205193,9cyclictest25366-21systemd22:45:2419
688999205193,9cyclictest25366-21systemd22:45:2419
688999205193,9cyclictest0-21swapper/2623:09:1919
688999205193,9cyclictest0-21swapper/2623:09:1919
688999205190,11cyclictest0-21swapper/2622:59:2319
688999205190,11cyclictest0-21swapper/2622:59:2319
689999204198,4cyclictest0-21swapper/3522:28:2929
689999204198,4cyclictest0-21swapper/3522:28:2929
688999204198,4cyclictest0-21swapper/2621:27:2619
688999204198,4cyclictest0-21swapper/2621:27:2519
688999204198,4cyclictest0-21swapper/2621:27:2519
688999204196,6cyclictest0-21swapper/2623:50:2419
688999204196,6cyclictest0-21swapper/2623:50:2419
688999204196,6cyclictest0-21swapper/2623:50:2319
688999203195,4cyclictest37269-21CPU19
688999203195,4cyclictest37269-21CPU19
689999201195,4cyclictest0-21swapper/3521:21:2329
689999201195,4cyclictest0-21swapper/3521:21:2329
689999201193,3cyclictest37268-21CPU29
689999201193,3cyclictest37268-21CPU29
688999201196,4cyclictest0-21swapper/2600:22:0119
688999201196,4cyclictest0-21swapper/2600:22:0019
688999201196,4cyclictest0-21swapper/2600:09:4619
688999201196,4cyclictest0-21swapper/2600:09:4619
688099201196,3cyclictest0-21swapper/1700:15:209
688099201196,3cyclictest0-21swapper/1700:15:199
689999199193,4cyclictest0-21swapper/3521:11:5829
689999199193,4cyclictest0-21swapper/3521:11:5829
689999199193,4cyclictest0-21swapper/3521:11:5729
689999199191,5cyclictest0-21swapper/3522:48:5629
689999199191,5cyclictest0-21swapper/3522:48:5629
689999199191,5cyclictest0-21swapper/3522:48:5629
689999199184,6cyclictest25547-21kill00:05:3729
689999199184,6cyclictest25547-21kill00:05:3729
688999199194,4cyclictest0-21swapper/2621:05:2819
688999199194,4cyclictest0-21swapper/2621:05:2819
688999199170,24cyclictest37265-21CPU19
688999199170,24cyclictest37265-21CPU19
688999199170,24cyclictest37265-21CPU19
689999198189,6cyclictest29912-21systemd23:06:4129
689999198189,6cyclictest29912-21systemd23:06:4129
689999198186,9cyclictest0-21swapper/3500:00:1929
689999198186,9cyclictest0-21swapper/3500:00:1829
689999198186,9cyclictest0-21swapper/3500:00:1829
689899198193,3cyclictest30303-21sshd23:55:3528
689899198193,3cyclictest30303-21sshd23:55:3428
689899198193,3cyclictest30303-21sshd23:55:3428
688999198192,4cyclictest0-21swapper/2620:20:3119
688999198192,4cyclictest0-21swapper/2620:20:3119
688999198188,6cyclictest0-21swapper/2621:30:1519
688999198188,6cyclictest0-21swapper/2621:30:1519
688999198187,8cyclictest3546-21CPU19
688999198187,8cyclictest3546-21CPU19
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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