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2025-12-15 - 05:46
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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 Mon Dec 15, 2025 00:46:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
58998099381379,1cyclictest819654-21kworker/0:020:34:020
58998099380378,1cyclictest819654-21kworker/0:020:09:020
58998099380378,1cyclictest819654-21kworker/0:020:09:020
589980993800,379cyclictest0-21swapper/022:33:010
589980993800,379cyclictest0-21swapper/000:37:020
589980993800,1cyclictest0-21swapper/022:14:020
58998099379378,1cyclictest819654-21kworker/0:019:46:020
58998099379378,1cyclictest819654-21kworker/0:019:33:020
58998099379377,1cyclictest819654-21kworker/0:022:45:020
58998099378377,1cyclictest819654-21kworker/0:000:08:020
58998099378376,1cyclictest819654-21kworker/0:022:52:020
58998099377376,1cyclictest0-21swapper/022:59:030
58998099377375,1cyclictest0-21swapper/020:24:030
58998099376375,1cyclictest0-21swapper/020:41:010
59001999375373,1cyclictest650890-21kworker/5:322:16:025
58998099375374,1cyclictest0-21swapper/023:10:020
58998699374372,1cyclictest0-21swapper/122:16:021
58998099372371,1cyclictest819654-21kworker/0:000:30:020
58998099372370,1cyclictest819654-21kworker/0:019:17:020
58998099371370,1cyclictest819654-21kworker/0:019:40:020
58998099370369,1cyclictest819654-21kworker/0:020:13:020
59001999356355,1cyclictest650890-21kworker/5:321:35:035
59001999355354,1cyclictest852216-21kworker/5:000:04:025
59001999355354,1cyclictest650890-21kworker/5:323:14:025
59001999354353,1cyclictest650890-21kworker/5:321:34:035
59001999354353,1cyclictest650890-21kworker/5:321:34:025
58998699354353,1cyclictest660017-21kworker/1:121:35:021
58998699354353,1cyclictest0-21swapper/100:04:021
58998699353352,1cyclictest0-21swapper/123:14:031
58998699353352,1cyclictest0-21swapper/121:34:021
58998699353352,1cyclictest0-21swapper/121:34:021
59001999352350,1cyclictest97550irq/166-enp0s3123:08:025
58998699351349,1cyclictest0-21swapper/123:08:031
59001999349348,1cyclictest852216-21kworker/5:023:49:035
59001999349348,1cyclictest650890-21kworker/5:323:02:025
59001999349348,1cyclictest650890-21kworker/5:323:02:025
59001999349347,1cyclictest97550irq/166-enp0s3122:30:025
59001999349347,1cyclictest650890-21kworker/5:321:54:025
58998699349344,2cyclictest756161-21systemd-userwor22:23:021
59001999348347,1cyclictest97550irq/166-enp0s3123:51:025
59001999348347,1cyclictest97550irq/166-enp0s3122:22:025
59001999348345,1cyclictest97550irq/166-enp0s3122:40:025
58998699348347,1cyclictest0-21swapper/123:49:021
58998699348347,1cyclictest0-21swapper/123:02:021
58998699348347,1cyclictest0-21swapper/123:02:021
58998699348346,1cyclictest0-21swapper/123:51:021
58998699348346,1cyclictest0-21swapper/122:30:031
59001999347346,1cyclictest97550irq/166-enp0s3100:36:025
59001999347346,1cyclictest97550irq/166-enp0s3100:24:035
59001999347346,1cyclictest650890-21kworker/5:323:16:025
59001999347346,1cyclictest650890-21kworker/5:322:53:025
59001999347345,1cyclictest97550irq/166-enp0s3119:54:035
59001999347345,1cyclictest852216-21kworker/5:000:11:025
58998699347345,1cyclictest0-21swapper/100:24:021
58998699347344,1cyclictest0-21swapper/122:40:031
59001999346345,1cyclictest97550irq/166-enp0s3121:49:025
59001999346344,1cyclictest97550irq/166-enp0s3123:44:025
59001999346344,1cyclictest97550irq/166-enp0s3123:36:025
59001999346344,1cyclictest97550irq/166-enp0s3123:33:025
59001999346344,1cyclictest97550irq/166-enp0s3120:58:035
59001999346344,1cyclictest97550irq/166-enp0s3120:00:025
58998699346345,1cyclictest0-21swapper/121:54:021
58998699346345,1cyclictest0-21swapper/100:36:021
58998699346344,1cyclictest0-21swapper/121:49:031
59001999345344,1cyclictest97550irq/166-enp0s3123:29:025
59001999345343,2cyclictest97550irq/166-enp0s3121:40:025
59001999345343,1cyclictest97550irq/166-enp0s3123:20:035
59001999345343,1cyclictest97550irq/166-enp0s3122:49:035
59001999345343,1cyclictest97550irq/166-enp0s3122:05:025
59001999345343,1cyclictest97550irq/166-enp0s3122:03:025
59001999345343,1cyclictest97550irq/166-enp0s3121:55:035
59001999345343,1cyclictest97550irq/166-enp0s3119:22:025
59001999345343,1cyclictest97550irq/166-enp0s3100:31:025
58998699345344,1cyclictest660017-21kworker/1:123:16:031
58998699345344,1cyclictest0-21swapper/122:53:021
58998699345343,1cyclictest0-21swapper/123:44:021
58998699345343,1cyclictest0-21swapper/123:39:031
58998699345343,1cyclictest0-21swapper/120:58:021
58998699345343,1cyclictest0-21swapper/120:00:021
58998699345343,1cyclictest0-21swapper/119:54:021
59001999344343,1cyclictest97550irq/166-enp0s3120:40:025
59001999344343,1cyclictest852216-21kworker/5:023:56:025
59001999344342,1cyclictest97550irq/166-enp0s3122:56:025
59001999344342,1cyclictest97550irq/166-enp0s3121:11:025
59001999344342,1cyclictest97550irq/166-enp0s3100:09:025
58998699344343,1cyclictest0-21swapper/100:11:021
58998699344342,1cyclictest0-21swapper/123:33:021
58998699344342,1cyclictest0-21swapper/123:20:021
58998699344342,1cyclictest0-21swapper/122:48:021
58998699344342,1cyclictest0-21swapper/122:05:021
58998699344342,1cyclictest0-21swapper/122:03:021
58998699344342,1cyclictest0-21swapper/121:55:021
58998699344342,1cyclictest0-21swapper/119:22:021
58998699344342,1cyclictest0-21swapper/100:31:031
59001999343342,1cyclictest97550irq/166-enp0s3121:26:025
59001999343342,1cyclictest97550irq/166-enp0s3119:42:025
59001999343342,1cyclictest650890-21kworker/5:321:03:025
59001999343341,1cyclictest97550irq/166-enp0s3121:23:025
59001999343341,1cyclictest97550irq/166-enp0s3120:38:025
59001999343341,1cyclictest97550irq/166-enp0s3120:10:035
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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