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2026-03-17 - 12:23
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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 all highest latencies:
System rack6slot5.osadl.org (updated Tue Mar 17, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
315319999005221,4668cyclictest5958-21kworker/0:120:42:530
315319997475144,4592cyclictest5958-21kworker/0:120:16:090
315319988594518,4330cyclictest5958-21kworker/0:119:33:550
315319988214476,4334cyclictest5958-21kworker/0:120:00:360
315319986794539,4137cyclictest19006-21kworker/0:019:12:570
315319979034181,3671cyclictest5958-21kworker/0:119:38:080
315319978474261,3535cyclictest5881-21kworker/0:021:22:420
315319978074194,3599cyclictest9319-21kworker/0:122:29:280
315319977254223,3459cyclictest7219-21kworker/0:100:25:090
315319976143844,3718cyclictest5958-21kworker/0:119:44:210
315319975434102,3426cyclictest5958-21kworker/0:119:59:000
315319973484037,3288cyclictest9319-21kworker/0:122:14:140
315319973384024,3263cyclictest19006-21kworker/0:019:22:500
315319971573841,3273cyclictest5958-21kworker/0:120:22:420
315319969583660,3287cyclictest19006-21kworker/0:019:16:240
315319969163744,3161cyclictest5958-21kworker/0:120:33:050
315319966773402,3260cyclictest30935-21kworker/0:021:56:200
315319965673459,3093cyclictest5881-21kworker/0:021:25:070
315319965473611,2884cyclictest5881-21kworker/0:021:09:470
315319965363336,3177cyclictest16179-21kworker/0:023:34:420
315319964053263,3111cyclictest2431-21kworker/0:123:10:430
315319963233415,2856cyclictest5881-21kworker/0:021:37:330
315319963193490,2813cyclictest27147-21kworker/0:222:48:340
315319962543383,2856cyclictest2431-21kworker/0:123:08:000
315319961183299,2768cyclictest5958-21kworker/0:120:14:340
315319960633319,2733cyclictest5958-21kworker/0:119:45:560
315319959143229,2674cyclictest5881-21kworker/0:021:03:020
315319956113083,2524cyclictest5958-21kworker/0:119:53:080
315319952502816,2430cyclictest5881-21kworker/0:020:52:490
315319947624704,36cyclictest27147-21kworker/0:222:50:300
315319946664599,44cyclictest9319-21kworker/0:122:31:250
315319943164221,45cyclictest5958-21kworker/0:120:06:460
315319939792347,1617cyclictest26069-21kworker/0:023:57:340
315319937333648,44cyclictest5958-21kworker/0:119:27:250
315319937333638,81cyclictest30935-21kworker/0:021:53:240
315319926312574,43cyclictest5881-21kworker/0:021:11:460
313402810184,203sleep00-21swapper19:09:030
315319949633,449cyclictest12288-21diskmemload23:23:310
315319948835,438cyclictest12288-21diskmemload21:17:300
315319948734,439cyclictest12288-21diskmemload00:07:260
315319948734,438cyclictest12288-21diskmemload21:48:540
315319948432,438cyclictest12288-21diskmemload00:33:240
315319947632,382cyclictest4894-21runrttasks00:18:530
315319947332,372cyclictest12-21rcu_preempt23:49:390
315319946544,189cyclictest12288-21diskmemload00:14:360
315319946533,372cyclictest856-21runrttasks20:39:200
315319945633,362cyclictest7846-21python22:06:040
315319942332,377cyclictest6971-21ssh00:21:530
315319941964,294cyclictest8540-21sh21:00:000
315319941625,88cyclictest12288-21diskmemload00:00:360
315319941619,215cyclictest24096-21ntp_states23:50:190
315319941333,365cyclictest1431-21ssh23:01:080
315319940738,369cyclictest0-21swapper20:25:570
315319940633,359cyclictest26797-21kworker/u2:022:36:120
315319940534,357cyclictest6631-21ssh22:04:390
315319940124,363cyclictest12-21rcu_preempt22:40:280
315319940027,87cyclictest12288-21diskmemload00:37:560
315319939931,354cyclictest21358-21ssh23:43:420
315319939838,346cyclictest13814-1kworker/u3:121:34:560
315319939222,310cyclictest4076-21kworker/u2:120:46:150
315319939138,339cyclictest11-21ksoftirqd/022:23:400
315319939134,342cyclictest12288-21diskmemload22:58:150
315319939134,342cyclictest12288-21diskmemload21:41:330
315319939034,342cyclictest12288-21diskmemload23:26:510
315319938935,354cyclictest0-21swapper22:19:380
315319938733,340cyclictest12288-21diskmemload23:37:150
315319938733,340cyclictest12288-21diskmemload23:18:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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