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2025-12-04 - 03:03
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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
Characteristics of the highest latencies:
System rack6slot6 (updated Thu Dec 04, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
206039910688953469,53325cyclictest1911-21snmpd20:39:270
206039910680053467,53243cyclictest3950irq/9-acpi23:50:520
206039910679253461,53209cyclictest2069-21crond22:36:000
206039910667953459,53124cyclictest23453-21ssh00:34:140
206039910667853382,53207cyclictest9-21ksoftirqd/021:01:130
206039910667053420,53159cyclictest0-21swapper19:27:560
206039910658753419,53101cyclictest0-21swapper19:34:080
206039910656453481,53083cyclictest0-21swapper22:28:180
206039910654953389,53095cyclictest0-21swapper21:55:080
206039910649853468,53030cyclictest0-21swapper19:52:130
206039910648653403,53083cyclictest0-21swapper23:23:340
206039910646053433,53027cyclictest0-21swapper19:55:040
206039910645053444,53006cyclictest0-21swapper23:03:280
206039910643853442,52996cyclictest0-21swapper22:43:120
206039910643053438,52992cyclictest0-21swapper19:36:180
206039910640753427,52980cyclictest0-21swapper21:11:560
206039910639953409,52990cyclictest0-21swapper20:55:010
206039910620853437,52771cyclictest0-21swapper21:34:530
206039910619553462,52733cyclictest0-21swapper20:48:190
206039910618853473,52715cyclictest0-21swapper20:40:070
206039910618353472,52711cyclictest0-21swapper20:07:070
206039910581053303,52507cyclictest0-21swapper23:32:060
206039910544853167,52271cyclictest0-21swapper21:25:400
206039910533153088,52243cyclictest0-21swapper23:46:510
206039910530052945,52352cyclictest5340-21diskmemload23:35:370
206039910510753009,52096cyclictest0-21swapper22:30:390
20603995384253402,440cyclictest0-21swapper00:16:190
20603995369953428,207cyclictest133750irq/9-eth021:51:170
20603995365553381,186cyclictest20520-21cyclictest19:47:520
20603995361953467,152cyclictest0-21swapper20:27:330
20603995324827,438cyclictest0-21swapper19:40:100
20603995307526,52957cyclictest0-21swapper22:46:430
20603995297320,52953cyclictest0-21swapper22:23:570
20603995269521,52674cyclictest0-21swapper20:00:350
20603995269420,52674cyclictest0-21swapper19:24:550
206039923841080,1177cyclictest16007-21rm00:23:410
206039923281065,1164cyclictest7340-21ssh00:10:470
206039923041090,1094cyclictest9-21ksoftirqd/000:39:560
206039922341050,1085cyclictest2103-21runrttasks23:18:020
206039922111026,1092cyclictest14864-1kworker/u3:122:07:020
206039921941083,983cyclictest7554-21ssh23:26:150
206039921911017,1049cyclictest2103-21runrttasks23:14:310
206039921301099,933cyclictest21556-21ssh22:15:540
206039920331025,885cyclictest5340-21diskmemload22:58:270
206039920271012,981cyclictest0-21swapper20:10:580
20603992022957,1030cyclictest8806-21kworker/0:022:03:510
206039920011035,872cyclictest133750irq/9-eth022:52:550
206039919991037,867cyclictest0-21swapper20:23:320
206039919941080,848cyclictest3950irq/9-acpi00:06:360
206039919721043,862cyclictest3950irq/9-acpi20:54:210
20603991969948,986cyclictest0-21swapper22:13:140
206039919691024,849cyclictest0-21swapper20:32:550
206039919421097,781cyclictest3950irq/9-acpi21:25:000
206039919331019,849cyclictest25604-21kworker/u2:021:49:370
20603991927928,965cyclictest0-21swapper21:37:430
206039919261080,748cyclictest12519-21ssh21:19:580
20603991790993,759cyclictest0-21swapper23:43:200
20603991766952,790cyclictest30313-21ssh21:44:150
206039917201093,627cyclictest0-21swapper00:02:550
206039916391065,483cyclictest10-21rcuc/020:18:410
20603991594784,807cyclictest0-21swapper23:07:290
206039915741045,437cyclictest9-21ksoftirqd/021:06:140
206039915051010,461cyclictest3950irq/9-acpi23:56:530
206039914171089,328cyclictest0-21swapper00:28:020
20603991040613,423cyclictest29007-21hwlatdetect-tra19:13:020
2060399998596,399cyclictest20679-21hwlatdetect-tra19:19:130
2541426711,13sleep025694-21hwlatdetect-tra19:08:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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