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2026-06-24 - 01:05
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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 Tue Jun 23, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2021299210041105452,104586cyclictest1051-21fw_packets11:25:140
202129910721353470,53650cyclictest835-1kworker/u3:010:48:430
202129910676153476,53220cyclictest5350irq/9-uhci_hcd:09:22:290
202129910674153327,53394cyclictest0-21swapper12:24:210
202129910667053398,53175cyclictest3429-21rtkit-daemon11:23:340
202129910665653481,53110cyclictest0-21swapper08:15:090
202129910665553443,53212cyclictest0-21swapper08:37:560
202129910664253437,53205cyclictest0-21swapper11:39:380
202129910662853429,53199cyclictest0-21swapper10:01:200
202129910657953457,53122cyclictest0-21swapper08:20:310
202129910657653475,53101cyclictest0-21swapper09:09:150
202129910657653421,53124cyclictest0-21swapper10:19:550
202129910655153391,53160cyclictest0-21swapper09:49:060
202129910652553437,53088cyclictest0-21swapper08:06:170
202129910646153402,53059cyclictest0-21swapper10:54:550
202129910645553450,53005cyclictest0-21swapper09:14:260
202129910644153426,53015cyclictest0-21swapper09:18:380
202129910643953398,53041cyclictest0-21swapper11:06:490
202129910643353392,53041cyclictest0-21swapper12:37:050
202129910641853469,52949cyclictest0-21swapper09:29:210
202129910641153470,52846cyclictest25934-21ssh09:40:040
202129910640553463,52942cyclictest0-21swapper07:32:070
202129910639653414,52982cyclictest0-21swapper08:00:550
202129910636553442,52858cyclictest3950irq/9-acpi08:57:110
202129910636053440,52920cyclictest0-21swapper07:20:540
202129910628153401,52880cyclictest0-21swapper11:33:260
202129910619553455,52740cyclictest0-21swapper12:10:070
202129910616353403,52760cyclictest0-21swapper08:41:570
202129910510452986,52116cyclictest0-21swapper11:18:320
20212995392621,53785cyclictest0-21swapper10:42:320
20212995347425,53355cyclictest9-21ksoftirqd/009:51:370
20212995312326,53097cyclictest0-21swapper08:52:400
20212995298526,52959cyclictest0-21swapper07:56:340
20212995292152897,22cyclictest0-21swapper10:34:090
202129925321099,1340cyclictest19021-1kworker/u3:110:22:060
202129923721084,1222cyclictest3950irq/9-acpi12:33:240
202129922431070,1080cyclictest0-21swapper11:54:220
202129922161062,1030cyclictest21953-21ssh09:34:020
202129922081052,1031cyclictest13968-21ssh10:09:520
202129921481085,998cyclictest302792sleep012:07:460
202129920781089,865cyclictest2099-21runrttasks07:50:220
202129919861030,863cyclictest0-21swapper07:15:320
202129919611094,803cyclictest3950irq/9-acpi12:02:050
202129919601010,915cyclictest0-21swapper10:28:480
202129919551044,817cyclictest0-21swapper07:39:190
202129919501080,745cyclictest1828-21hald-addon-acpi08:28:130
202129919441074,870cyclictest0-21swapper07:11:010
202129919271030,807cyclictest0-21swapper11:44:190
20212991919925,961cyclictest0-21swapper11:04:180
202129919031093,719cyclictest9-21ksoftirqd/012:26:010
202129918801043,717cyclictest0-21swapper11:59:340
202129918441038,712cyclictest0-21swapper09:03:230
20212991798906,867cyclictest1553-21rsyslogd08:10:380
202129917841089,629cyclictest134850irq/9-eth011:12:500
202129917301041,624cyclictest3950irq/9-acpi10:57:360
202129917281085,643cyclictest0-21swapper10:37:100
202129916861091,505cyclictest20211-21cyclictest09:55:580
202129916861020,666cyclictest0-21swapper10:11:530
202129916711023,585cyclictest11-21rcu_preempt11:49:310
202129916691096,573cyclictest0-21swapper09:36:230
202129916591090,569cyclictest0-21swapper08:32:540
202129916571096,466cyclictest2099-21runrttasks07:26:250
202129916481086,562cyclictest0-21swapper07:48:210
202129916391081,558cyclictest0-21swapper08:46:480
202129915791089,425cyclictest0-21swapper12:19:500
202129914971010,424cyclictest0-21swapper07:44:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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