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2026-06-01 - 16:47
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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 376 highest latencies:
System rack6slot5.osadl.org (updated Mon Jun 01, 2026 12:45:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
50089997225178,4533cyclictest13982-21kworker/0:207:15:350
50089995895135,4451cyclictest13982-21kworker/0:207:12:270
50089991974612,4560cyclictest9921-21kworker/0:209:10:210
50089982334106,4084cyclictest9921-21kworker/0:209:08:250
50089978244222,3587cyclictest13982-21kworker/0:207:23:410
43712773184,204sleep00-21swapper07:05:250
50089953933,490cyclictest13353-21find08:55:520
50089952932,426cyclictest2394-21munin-node11:05:270
50089952533,429cyclictest23234-21tr11:55:170
50089952431,422cyclictest18292-21ls11:41:140
50089952330,431cyclictest5119-21munin-node08:36:000
50089952234,426cyclictest31546-21runrttasks12:15:120
50089952230,430cyclictest21635-21rm10:33:150
50089951693,249cyclictest11-21ksoftirqd/011:25:160
50089950955,440cyclictest18116-31copy07:41:530
50089950854,439cyclictest10831-21ssh11:24:480
50089950830,416cyclictest8206-21apt-get11:17:160
50089950754,438cyclictest1687-21ssh11:01:540
50089950753,440cyclictest9486-21ssh12:39:490
50089950654,437cyclictest24335-21ssh09:23:510
50089950555,436cyclictest22667-21ssh11:52:520
50089950432,402cyclictest14804-21df_inode09:00:300
50089950330,235cyclictest27091-21expr09:30:320
50089950033,396cyclictest13905-21grep11:31:000
50089949131,286cyclictest17947-21diskmemload09:28:580
50089948936,439cyclictest2344-21kworker/u2:309:56:140
50089948734,392cyclictest8349-21ssh10:01:300
50089948655,371cyclictest30905-21ssh09:40:010
50089947335,377cyclictest7079-21ssh12:32:590
50089947038,373cyclictest0-21swapper08:52:550
50089946554,349cyclictest31145-21ssh10:55:460
50089946531,410cyclictest3052-21rm12:24:380
50089945632,409cyclictest17947-21diskmemload11:12:570
50089945632,409cyclictest12912-21seq07:29:440
50089945433,240cyclictest19451-21mailstats11:45:110
50089945330,408cyclictest5192-21rm12:29:100
50089945030,396cyclictest22228-21sed10:35:260
50089944930,395cyclictest31090-21runrttasks12:13:160
50089944832,391cyclictest2829-21sed09:50:060
50089944733,399cyclictest20757-21gltestperf09:15:320
50089944664,368cyclictest9974-21ps08:46:090
50089944471,359cyclictest19399-21ssh10:27:370
50089944334,394cyclictest857-21kworker/u2:112:44:330
50089944068,358cyclictest27979-21unixbench_singl12:05:480
50089944059,320cyclictest17947-21diskmemload10:07:590
50089943870,309cyclictest15496-21ssh10:19:330
50089943776,348cyclictest27045-21ssh12:04:000
50089943533,233cyclictest3746-21avahi-daemon10:21:430
50089943473,89cyclictest13-21rcuc/010:54:340
50089943275,305cyclictest83250irq/14-ata_piix09:42:060
50089943243,88cyclictest15031-21chrt07:35:180
50089943231,235cyclictest7027-21munin-node08:18:580
50089942753,351cyclictest4272-21snmpd08:11:420
50089942731,336cyclictest5004-21turbostat.cron08:35:000
5008994271,366cyclictest0-21swapper11:37:110
50089942159,362cyclictest0-21swapper07:33:550
50089942150,371cyclictest0-21swapper07:53:050
50089942131,328cyclictest32200-21sed08:20:240
50089940955,341cyclictest4761-21ssh09:53:580
50089940955,339cyclictest25672-21ssh10:42:050
50089940755,339cyclictest27790-21ssh10:47:030
50089939758,316cyclictest17947-21diskmemload10:12:130
50089939153,279cyclictest23625-21python07:55:570
5008993780,364cyclictest0-21swapper08:40:260
50089937727,288cyclictest25456-21latency08:00:520
50089937534,341cyclictest0-21swapper07:49:200
50089936933,320cyclictest1627-21runrttasks08:25:260
50089936932,322cyclictest26905-21sed08:05:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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