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2026-04-09 - 03:57
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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 Apr 09, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
270149910749853471,53929cyclictest9098-21ssh23:41:480
270149910660753480,53127cyclictest0-21swapper20:43:270
270149910657953465,53114cyclictest0-21swapper22:16:130
270149910654753390,53092cyclictest0-21swapper23:39:570
270149910652453481,53043cyclictest0-21swapper19:28:050
270149910651353475,53038cyclictest0-21swapper21:45:040
270149910650353451,53052cyclictest0-21swapper22:29:270
270149910648453459,53025cyclictest0-21swapper23:06:280
270149910645453428,53026cyclictest0-21swapper23:50:400
270149910644653399,53047cyclictest0-21swapper19:51:220
270149910644453445,52999cyclictest0-21swapper20:11:570
270149910642453389,53035cyclictest0-21swapper23:34:460
270149910641653430,52986cyclictest0-21swapper00:30:020
270149910629153461,52830cyclictest0-21swapper22:05:500
270149910628553387,52806cyclictest0-21swapper21:08:240
270149910626353421,52750cyclictest0-21swapper23:23:230
270149910626153388,52808cyclictest0-21swapper20:21:400
270149910625653417,52773cyclictest0-21swapper19:57:330
270149910622353466,52757cyclictest0-21swapper00:15:080
270149910618253409,52773cyclictest0-21swapper19:32:060
270149910617753407,52770cyclictest0-21swapper22:53:240
270149910616953407,52762cyclictest0-21swapper19:49:410
270149910616853451,52717cyclictest0-21swapper20:09:170
270149910616353447,52716cyclictest0-21swapper20:15:590
270149910615553399,52756cyclictest0-21swapper20:28:320
270149910615453398,52756cyclictest0-21swapper20:53:290
270149910614653396,52750cyclictest0-21swapper20:58:110
270149910614353393,52750cyclictest0-21swapper20:00:040
270149910613853391,52747cyclictest0-21swapper19:38:080
270149910607853024,53052cyclictest0-21swapper00:08:360
270149910556652922,52642cyclictest11455-21ssh22:59:160
270149910522653082,52142cyclictest0-21swapper21:31:500
27014995352927,53408cyclictest0-21swapper00:39:550
27014995341027,53383cyclictest0-21swapper23:58:430
27014995339927,53372cyclictest0-21swapper20:49:280
27014995297726,52951cyclictest0-21swapper22:03:090
270149947762631,2142cyclictest1741-21hald00:29:120
270149925061107,1275cyclictest14858-21ssh23:04:070
270149922671082,1061cyclictest458-21diskmemload23:25:430
270149922511080,1046cyclictest24444-21ssh21:44:240
270149922511014,1237cyclictest13071-21ssh22:14:530
270149921791096,993cyclictest5350irq/9-uhci_hcd:22:48:120
270149921341046,989cyclictest29742-21ssh21:50:560
270149920921021,977cyclictest458-21diskmemload23:49:500
270149920881028,1024cyclictest22349-21munin-node23:15:200
270149920691023,1009cyclictest9699-21ssh21:22:180
27014991992987,968cyclictest25322-21ssh22:31:380
27014991975950,1025cyclictest0-21swapper21:58:180
27014991967969,960cyclictest20596-21sh21:38:320
270149919461040,813cyclictest0-21swapper19:40:480
270149919371088,783cyclictest3950irq/9-acpi21:19:570
27014991929938,967cyclictest0-21swapper21:14:250
270149918671023,807cyclictest14239-21ssh21:29:400
270149918601045,723cyclictest0-21swapper22:24:560
270149918021034,733cyclictest29007-21ssh22:37:090
270149917601068,598cyclictest0-21swapper20:30:530
27014991751965,749cyclictest21945-21ssh23:14:300
270149917101026,594cyclictest3857-21kworker/0:300:21:190
270149916861053,567cyclictest9-21ksoftirqd/020:39:050
270149916221083,448cyclictest9-21ksoftirqd/021:03:320
270149915641084,388cyclictest0-21swapper22:44:310
270149914651055,410cyclictest0-21swapper00:14:570
270149914531091,362cyclictest0-21swapper00:00:430
27014991163621,538cyclictest9496-21hwlatdetect-tra19:11:100
27014991121603,515cyclictest23906-21grep19:21:330
27014991119603,513cyclictest11926-21hwlatdetect-tra19:16:010
8339258251,239sleep00-21swapper19:08:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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