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2025-11-09 - 08:02
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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 all highest latencies:
System rack6slot6 (updated Sun Nov 09, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8669910739053436,53859cyclictest24822-21ssh00:19:390
8669910709953410,53624cyclictest0-21swapper20:41:160
8669910709853412,53594cyclictest0-21swapper00:26:510
8669910684653453,53270cyclictest2103-21runrttasks22:13:020
8669910680153460,53275cyclictest9-21ksoftirqd/020:48:080
8669910670453423,53281cyclictest0-21swapper21:33:010
8669910661753431,53186cyclictest0-21swapper22:42:210
8669910657053414,53156cyclictest0-21swapper20:10:370
8669910656453443,53121cyclictest0-21swapper20:07:260
8669910655653452,53104cyclictest0-21swapper23:10:090
8669910655353478,53075cyclictest0-21swapper00:01:030
8669910652853392,53136cyclictest0-21swapper00:21:190
8669910651753476,53041cyclictest0-21swapper21:53:370
8669910651353473,53040cyclictest0-21swapper22:01:190
8669910650953476,53033cyclictest0-21swapper19:38:180
8669910650553470,53035cyclictest0-21swapper23:00:060
8669910647353469,53004cyclictest0-21swapper21:21:470
8669910646253454,53008cyclictest0-21swapper21:13:050
8669910645653446,53010cyclictest0-21swapper00:06:550
8669910645653419,52948cyclictest865-21cyclictest20:57:100
8669910645453447,53007cyclictest0-21swapper19:18:520
8669910642453430,52994cyclictest0-21swapper23:37:270
8669910641153426,52985cyclictest0-21swapper20:31:530
8669910634353392,52887cyclictest9-21ksoftirqd/019:41:390
8669910633053377,52940cyclictest27546-21ssh22:52:540
8669910631753483,52744cyclictest0-21swapper19:23:230
8669910620353464,52739cyclictest0-21swapper19:52:420
8669910618353462,52721cyclictest0-21swapper23:43:580
8669910615953442,52717cyclictest0-21swapper19:33:360
8669910615653442,52714cyclictest0-21swapper19:55:530
8669910612953435,52694cyclictest0-21swapper22:06:100
8669910612753426,52701cyclictest0-21swapper20:50:390
8669910606752973,53092cyclictest0-21swapper22:59:460
8669910541753065,52349cyclictest8506-21seq23:55:320
8669910540853141,52257cyclictest0-21swapper22:17:130
8669910497352907,52064cyclictest0-21swapper22:27:570
866995396853378,525cyclictest0-21swapper23:45:490
866995361038,53572cyclictest0-21swapper19:46:400
866995360553450,58cyclictest6705-21ssh22:24:050
866995359253416,176cyclictest0-21swapper19:10:500
866995342225,53397cyclictest0-21swapper21:47:250
866995335853290,45cyclictest23544-21ssh22:47:020
866995308012,7cyclictest5255-21ssh21:35:520
866995302352995,26cyclictest0-21swapper21:29:200
866995277625,52751cyclictest0-21swapper23:18:310
8669924461094,1253cyclictest32320-21ssh00:30:120
8669923731093,1186cyclictest3950irq/9-acpi21:58:480
8669922651079,1094cyclictest310-21jbd2/dm-0-823:31:150
8669922591036,1125cyclictest6240-21ssh23:53:110
8669920691030,1004cyclictest0-21swapper00:36:540
866992041999,1021cyclictest0-21swapper21:06:530
866991929930,966cyclictest0-21swapper20:18:190
8669919161043,783cyclictest0-21swapper22:39:500
866991915924,977cyclictest0-21swapper22:33:180
8669918601046,723cyclictest0-21swapper21:40:530
8669918481041,716cyclictest0-21swapper20:35:540
8669918141092,722cyclictest0-21swapper20:04:450
8669918031013,697cyclictest5350irq/9-uhci_hcd:00:13:270
866991790929,836cyclictest16038-21ssh23:21:220
8669917261092,634cyclictest0-21swapper23:29:540
8669916811099,582cyclictest0-21swapper23:05:470
8669916281078,457cyclictest0-21swapper20:27:320
8669916111092,519cyclictest0-21swapper19:27:140
8669916011072,529cyclictest0-21swapper21:02:320
8669915211019,502cyclictest0-21swapper21:17:060
8669915021102,400cyclictest0-21swapper20:23:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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