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2026-08-28 - 13:37
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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 highest latencies:
System rack6slot5.osadl.org (updated Fri Aug 28, 2026 00:44:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
284799998295262,4564cyclictest11497-21kworker/0:019:12:240
284799960563377,2675cyclictest11497-21kworker/0:019:15:430
282202807183,204sleep00-21swapper19:08:290
284799956733,534cyclictest0-21swapper22:12:350
284799948642,383cyclictest16959-19edd_id22:41:220
284799948465,359cyclictest30846-21ssh23:14:280
284799948331,439cyclictest17941-21ssh23:58:210
284799947845,372cyclictest18352-21munin-node22:45:320
284799947337,436cyclictest0-21swapper21:50:090
284799946936,373cyclictest0-21swapper20:26:590
284799945168,88cyclictest4924-21runrttasks19:30:110
284799944912,422cyclictest8052-21seq19:40:190
28479994470,388cyclictest10873-21ssh21:14:470
284799944687,347cyclictest351950irq/10-yenta21:47:020
284799944055,370cyclictest11-21ksoftirqd/023:45:200
284799943956,201cyclictest6200-21ssh22:16:340
28479994346,368cyclictest4285-21lldpd19:55:250
284799943454,206cyclictest13-21rcuc/021:20:050
284799942952,363cyclictest11-21ksoftirqd/000:23:540
28479994250,250cyclictest0-21swapper19:53:030
284799942452,359cyclictest0-21swapper19:27:060
284799942354,310cyclictest0-21swapper23:38:370
284799942048,358cyclictest0-21swapper22:29:330
284799941854,191cyclictest14098-21kworker/u2:000:03:030
284799941652,188cyclictest22335-21ssh00:08:330
284799941645,357cyclictest26131-21ssh23:02:340
284799941637,365cyclictest8744-21diskmemload00:35:570
284799941539,376cyclictest0-21swapper00:17:560
284799941451,303cyclictest0-21swapper23:27:080
284799941243,357cyclictest15803-21ssh23:53:330
284799941134,196cyclictest24146-21sshd22:58:410
284799941131,196cyclictest11-21ksoftirqd/020:22:030
284799940956,339cyclictest544-21ssh23:19:300
284799940732,375cyclictest19095-21seq20:10:170
284799940531,374cyclictest0-21swapper20:54:250
284799940354,349cyclictest0-21swapper19:24:010
284799940333,370cyclictest31237-21ssh00:29:360
284799940330,359cyclictest4924-21runrttasks21:22:470
284799940233,369cyclictest0-21swapper00:12:190
284799940232,311cyclictest31965-21cstates22:01:330
284799940054,287cyclictest13-21rcuc/022:25:010
284799939938,361cyclictest0-21swapper21:55:470
284799939935,304cyclictest11199-21ssh23:42:140
284799939934,350cyclictest15748-21sed21:25:310
284799939815,369cyclictest426-21runrttasks00:31:550
284799939639,347cyclictest351950irq/10-yenta22:50:410
284799939635,361cyclictest0-21swapper20:57:570
284799939334,359cyclictest5381-21kworker/u2:323:32:040
284799938937,293cyclictest19618-21ssh21:34:570
284799938848,281cyclictest4924-21runrttasks22:31:320
284799938721,366cyclictest0-21swapper22:37:240
284799938711,362cyclictest30380-21expr20:40:240
284799938210,359cyclictest4305-21snmpd20:46:220
284799938116,357cyclictest1931-21ssh22:07:130
284799938013,353cyclictest4924-21runrttasks21:40:440
28479993743,371cyclictest0-21swapper20:32:410
28479993733,370cyclictest0-21swapper21:04:460
284799937012,358cyclictest0-21swapper20:07:510
284799936624,328cyclictest27102-21ssh23:05:350
284799935644,300cyclictest351950irq/10-yenta19:45:490
284799935255,297cyclictest0-21swapper21:36:590
284799934912,337cyclictest0-21swapper19:39:010
284799934774,260cyclictest4285-21lldpd20:15:270
284799934476,255cyclictest11-21ksoftirqd/023:22:150
284799934348,295cyclictest0-21swapper21:06:180
28479993382,336cyclictest0-21swapper20:00:230
284799933158,261cyclictest13-21rcuc/020:35:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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