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2026-03-10 - 10:31
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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 10, 2026 00:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2189499100505348,4691cyclictest30756-21kworker/0:219:34:340
218949997655118,4636cyclictest12186-21kworker/0:119:23:510
218949996855178,4496cyclictest30756-21kworker/0:220:18:590
218949992544785,4464cyclictest30756-21kworker/0:220:08:280
218949991914749,4431cyclictest12186-21kworker/0:119:15:580
218949989464475,4420cyclictest30756-21kworker/0:220:39:510
218949988034422,4340cyclictest12186-21kworker/0:119:14:140
218949980094313,3644cyclictest12186-21kworker/0:119:27:270
218949980014200,3740cyclictest23630-21kworker/0:120:57:580
218949973893898,3440cyclictest30756-21kworker/0:220:28:270
218949970903669,3370cyclictest30756-21kworker/0:219:47:530
218949969263586,3324cyclictest32683-21kworker/0:023:51:010
218949966193534,3070cyclictest30756-21kworker/0:219:56:510
218949965763432,3105cyclictest23630-21kworker/0:120:43:480
218949965663474,3061cyclictest30756-21kworker/0:219:40:010
218949964723489,2972cyclictest30756-21kworker/0:220:30:020
218949964093307,3087cyclictest23630-21kworker/0:121:01:380
218949963243383,2927cyclictest32683-21kworker/0:023:48:530
218949958943188,2702cyclictest30756-21kworker/0:219:41:370
216832839184,203sleep00-21swapper19:08:530
218949951359,213cyclictest0-21swapper21:48:080
218949950782,187cyclictest29760-21ssh00:37:460
218949949235,457cyclictest0-21swapper00:14:340
218949948120,447cyclictest593-21diskmemload23:32:140
218949946613,438cyclictest16390-21mailstats20:20:130
218949946610,441cyclictest22212-21ssh23:07:320
218949945281,187cyclictest29233-21ssh23:24:560
218949945061,88cyclictest12841-21ssh00:00:070
218949944718,359cyclictest23354-21ssh21:56:130
218949944560,213cyclictest0-21swapper22:59:390
218949944473,187cyclictest2688-21ssh22:24:080
218949943812,240cyclictest4272-21snmpd21:24:570
218949943760,363cyclictest20963-21ssh00:17:330
218949943754,87cyclictest15906-21ssh00:06:020
21894994369,367cyclictest4253-21lldpd20:03:470
218949943270,348cyclictest0-21swapper21:33:580
218949943062,353cyclictest5789-21munin-node21:16:100
218949943057,359cyclictest345450irq/10-yenta22:32:450
218949942961,353cyclictest22701-21ssh00:21:210
218949942250,358cyclictest0-21swapper23:26:440
218949942034,261cyclictest26174-21fschecks_time23:16:240
218949941464,176cyclictest25798-21ssh00:29:510
218949941233,379cyclictest17383-21kworker/u2:122:00:150
218949941159,338cyclictest15716-21ssh22:53:000
218949941158,340cyclictest11578-21ssh22:44:100
218949941149,87cyclictest30805-21ssh22:14:170
218949940953,176cyclictest11-21ksoftirqd/021:10:000
218949940437,352cyclictest2833-21grep21:10:320
218949940430,360cyclictest3746-21avahi-daemon00:00:160
218949940335,368cyclictest0-21swapper21:37:410
218949940149,33cyclictest11-21ksoftirqd/022:36:590
218949939936,340cyclictest20322-21df21:50:250
218949939934,359cyclictest5138-21ssh23:42:190
218949939833,361cyclictest26811-21ssh00:31:000
218949939732,351cyclictest4894-21runrttasks20:46:510
218949939631,351cyclictest4272-21snmpd22:05:140
218949939532,340cyclictest4716-21ssh22:27:440
218949939435,359cyclictest24888-21ssh23:15:010
218949939135,349cyclictest13350-21rm22:47:050
218949938732,340cyclictest13406-21strings20:10:510
218949938633,340cyclictest3060-21ssh23:38:330
218949938632,340cyclictest17437-21ssh21:42:580
218949938631,340cyclictest2409-21diskmemload23:01:580
218949938434,337cyclictest338750irq/10-eth022:18:590
218949938432,340cyclictest4894-21runrttasks21:25:550
218949937622,354cyclictest0-21swapper19:54:090
218949937233,154cyclictest4894-21runrttasks20:54:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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