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2026-05-11 - 17:13
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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 376 highest latencies:
System rack6slot6 (updated Mon May 11, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
101319910754653465,53958cyclictest9646-21ssh11:52:020
101319910751153480,53910cyclictest15546-21ssh11:14:010
101319910725153446,53709cyclictest30376-21ssh11:35:170
101319910715653474,53616cyclictest134850irq/9-eth009:55:090
101319910700853468,53443cyclictest1120-21ssh12:27:220
101319910680753440,53275cyclictest9-21ksoftirqd/009:16:370
101319910675253407,53278cyclictest11-21rcu_preempt11:08:100
101319910674453470,53185cyclictest10127-21cyclictest07:20:340
101319910670153391,53247cyclictest9-21ksoftirqd/010:06:320
101319910669153463,53164cyclictest9-21ksoftirqd/008:13:090
101319910665553445,53210cyclictest0-21swapper08:06:370
101319910663053445,53185cyclictest0-21swapper12:23:010
101319910656953450,53022cyclictest12293-21ssh10:21:060
101319910652253391,53131cyclictest0-21swapper07:13:320
101319910650453459,53045cyclictest0-21swapper10:37:510
101319910647753416,53061cyclictest0-21swapper09:03:540
101319910645753404,53053cyclictest0-21swapper12:11:480
101319910644953477,52907cyclictest0-21swapper07:15:020
101319910641253426,52986cyclictest0-21swapper09:31:220
101319910636153476,52821cyclictest9-21ksoftirqd/008:35:060
101319910634953420,52929cyclictest0-21swapper08:54:010
101319910633553412,52857cyclictest0-21swapper08:17:200
101319910629153392,52807cyclictest0-21swapper08:44:280
101319910625253385,52801cyclictest0-21swapper09:09:250
101319910624753452,52795cyclictest0-21swapper08:30:340
101319910617653411,52765cyclictest0-21swapper08:02:060
101319910614853450,52698cyclictest0-21swapper08:57:420
101319910613753389,52748cyclictest0-21swapper08:23:520
101319910612553422,52703cyclictest0-21swapper07:44:310
101319910604453033,53007cyclictest20848-21ssh09:46:360
101319910582253069,52751cyclictest9104-21ssh12:39:360
101319910552453003,52519cyclictest2007-21ssh09:20:090
101319910539452960,52432cyclictest25516-21ssh11:28:250
101319910508652995,52089cyclictest0-21swapper12:05:460
101319925241094,1331cyclictest28938-21rm11:33:270
101319924371065,1246cyclictest24575-21ssh09:52:180
101319924141058,1231cyclictest17407-21ssh10:29:490
101319922191015,1181cyclictest17495-21ssh09:41:450
101319920811017,1028cyclictest0-21swapper12:19:300
101319920681096,848cyclictest2099-21runrttasks09:38:040
10131992030990,1006cyclictest0-21swapper12:00:050
10131992013998,978cyclictest6426-21ssh10:13:140
101319919891061,805cyclictest2790-21gnome-settings-10:51:250
10131991946964,968cyclictest0-21swapper09:29:110
101319919401082,792cyclictest3950irq/9-acpi11:43:100
10131991939961,941cyclictest6995-21ssh11:00:270
101319919001101,675cyclictest6520-21ssh11:47:410
101319919001033,773cyclictest0-21swapper08:49:400
10131991870988,848cyclictest0-21swapper10:30:390
101319918681054,722cyclictest0-21swapper08:29:040
101319918491009,746cyclictest0-21swapper10:02:310
101319917941042,658cyclictest0-21swapper11:24:340
10131991785976,772cyclictest3657-21ssh10:55:360
101319917831004,713cyclictest3950irq/9-acpi11:19:430
101319917381062,676cyclictest0-21swapper07:25:250
101319917011016,592cyclictest0-21swapper07:36:290
101319916961026,670cyclictest0-21swapper10:40:320
101319916931030,624cyclictest13051-21runrttasks11:57:040
10131991690862,803cyclictest5235-21ssh12:33:340
101319916761099,577cyclictest0-21swapper07:51:030
101319916681095,573cyclictest0-21swapper09:14:370
101319916201092,464cyclictest9-21ksoftirqd/007:47:320
101319915911058,533cyclictest0-21swapper10:15:340
101319915621082,414cyclictest9-21ksoftirqd/007:34:480
101319915561040,516cyclictest0-21swapper07:56:240
10131991320977,330cyclictest20149-1kworker/u3:110:47:140
8049254685,206sleep00-21swapper07:05:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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