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2026-03-11 - 13:03
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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 Wed Mar 11, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
216329999475283,4660cyclictest9181-21kworker/0:219:16:010
216329990014626,4371cyclictest30202-21kworker/0:120:24:260
216329989024443,4436cyclictest30202-21kworker/0:120:37:540
216329986834460,4212cyclictest30202-21kworker/0:119:47:590
216329986144271,4292cyclictest30202-21kworker/0:120:34:000
216329985474273,4259cyclictest30202-21kworker/0:120:12:150
216329983054132,4130cyclictest30202-21kworker/0:119:38:410
216329982484392,3804cyclictest9181-21kworker/0:219:27:030
216329981224284,3834cyclictest9181-21kworker/0:219:23:410
216329979914294,3667cyclictest30202-21kworker/0:120:53:380
216329978104091,3695cyclictest30202-21kworker/0:121:10:200
216329977233837,3843cyclictest30202-21kworker/0:119:32:240
216329975803983,3583cyclictest9181-21kworker/0:219:14:170
216329975064024,3467cyclictest30202-21kworker/0:120:02:500
216329974753909,3515cyclictest30202-21kworker/0:121:07:110
216329971483546,3550cyclictest30202-21kworker/0:119:54:120
216329965323448,3032cyclictest30202-21kworker/0:120:49:530
216329959303271,2648cyclictest30202-21kworker/0:119:55:470
216329948892566,2312cyclictest30202-21kworker/0:119:40:170
213072747184,204sleep00-21swapper19:07:570
216329952394,189cyclictest11-21ksoftirqd/000:05:240
216329949131,399cyclictest5299-21df22:31:530
216329948133,433cyclictest6252-21ssh21:18:100
216329947932,377cyclictest25395-21ssh22:02:280
216329946533,361cyclictest29635-21sshd22:12:190
216329946333,368cyclictest2026-21diskmemload21:20:490
216329946231,370cyclictest2026-21diskmemload21:27:170
21632994623,445cyclictest19662-21ssh00:21:220
216329946131,369cyclictest2026-21diskmemload23:49:200
216329945832,364cyclictest2026-21diskmemload23:31:150
216329945831,366cyclictest2026-21diskmemload23:29:310
216329945733,362cyclictest4894-21runrttasks22:36:530
216329945634,362cyclictest30822-21date21:00:040
216329945632,362cyclictest2026-21diskmemload22:41:170
216329945572,200cyclictest11-21ksoftirqd/022:50:550
216329945569,87cyclictest15928-21ssh00:12:410
216329945533,352cyclictest4894-21runrttasks00:03:550
216329945433,351cyclictest23599-21ssh23:15:400
216329945432,361cyclictest11089-21chrt21:30:170
216329945431,362cyclictest14151-21munin-node20:15:160
216329945334,404cyclictest32251-21ssh22:20:010
216329945168,370cyclictest13-21rcuc/000:29:100
216329944964,371cyclictest11-21ksoftirqd/023:58:480
216329944833,355cyclictest1536-21ssh22:25:010
216329944770,201cyclictest21814-21munin-node21:55:200
216329944733,353cyclictest27636-21chrt22:08:020
216329944472,358cyclictest11868-21ssh22:47:270
216329944333,348cyclictest169582sleep021:43:090
216329943931,339cyclictest4894-21runrttasks00:32:550
216329943253,363cyclictest21404-21sh21:54:050
216329942959,357cyclictest13-21rcuc/021:46:030
216329942526,339cyclictest2026-21diskmemload23:12:030
216329942431,378cyclictest15179-21sed22:55:540
216329941456,178cyclictest18332-21ssh23:02:420
216329941334,318cyclictest13149-21ssh21:35:120
216329941134,317cyclictest2026-21diskmemload00:15:490
216329941132,319cyclictest920-21kworker/u2:022:28:500
216329940532,358cyclictest2026-21diskmemload23:21:120
216329940431,357cyclictest2026-21diskmemload00:37:350
216329940032,352cyclictest19611-21ls20:30:010
216329939630,351cyclictest2026-21diskmemload23:08:250
216329939331,348cyclictest345450irq/10-yenta23:43:340
216329938829,344cyclictest2026-21diskmemload23:53:280
216329938727,300cyclictest23472-21munin-node20:40:590
216329938118,348cyclictest32606-21cron21:05:010
216329937733,330cyclictest12271-21cat20:10:040
216329937731,165cyclictest4272-21snmpd23:37:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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