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2026-03-13 - 15:14
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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 100 highest latencies:
System rack6slot6 (updated Fri Mar 13, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
215799910673453441,53293cyclictest0-21swapper10:33:540
215799910670753476,53231cyclictest0-21swapper12:06:000
215799910667053380,53227cyclictest3950irq/9-acpi11:32:400
215799910664053470,53170cyclictest0-21swapper11:51:060
215799910663753423,53214cyclictest0-21swapper10:21:000
215799910658853465,53123cyclictest0-21swapper12:25:360
215799910654853386,53097cyclictest0-21swapper09:28:250
215799910653653406,53064cyclictest0-21swapper12:19:140
215799910651253474,53038cyclictest0-21swapper08:31:280
215799910651253474,53038cyclictest0-21swapper07:41:040
215799910651053398,53112cyclictest0-21swapper08:54:150
215799910650953423,53022cyclictest11-21rcu_preempt07:21:080
215799910650753477,53030cyclictest0-21swapper11:11:340
215799910650553475,53030cyclictest0-21swapper07:50:160
215799910649153412,53079cyclictest0-21swapper11:43:030
215799910648553464,53021cyclictest0-21swapper10:19:090
215799910646653455,53011cyclictest0-21swapper11:59:580
215799910646553456,53009cyclictest0-21swapper07:13:360
215799910646353454,53009cyclictest0-21swapper07:32:310
215799910645653449,53007cyclictest0-21swapper09:08:590
215799910645553403,53052cyclictest0-21swapper09:56:230
215799910645053444,53006cyclictest0-21swapper09:11:100
215799910644653442,53004cyclictest0-21swapper08:39:310
215799910643253441,52991cyclictest0-21swapper10:43:560
215799910630153467,52834cyclictest0-21swapper11:24:580
215799910629753424,52809cyclictest9-21ksoftirqd/010:53:090
215799910625553413,52776cyclictest0-21swapper08:10:320
215799910621553471,52744cyclictest0-21swapper07:56:080
215799910620053463,52737cyclictest0-21swapper07:17:070
215799910613753432,52705cyclictest0-21swapper12:36:090
215799910612853428,52700cyclictest0-21swapper08:02:300
215799910612253425,52697cyclictest0-21swapper08:28:370
215799910611553423,52692cyclictest0-21swapper07:29:100
215799910610753416,52691cyclictest0-21swapper08:57:560
215799910608953050,53036cyclictest29606-21ssh11:17:460
215799910608553006,53077cyclictest0-21swapper10:11:170
215799910602153005,53013cyclictest16684-21ssh12:33:480
215799910509252991,52099cyclictest0-21swapper09:45:300
21579995363725,53519cyclictest0-21swapper08:19:050
21579995361427,53467cyclictest0-21swapper09:54:520
21579995350726,0cyclictest0-21swapper09:38:170
21579995350227,0cyclictest0-21swapper09:04:580
21579995346625,0cyclictest9-21ksoftirqd/011:04:320
21579995325125,0cyclictest0-21swapper08:06:510
21579995305727,53030cyclictest0-21swapper08:20:550
21579995283426,52808cyclictest0-21swapper07:48:560
21579995278026,52754cyclictest0-21swapper08:47:230
215799921671058,1014cyclictest3950irq/9-acpi09:18:320
215799921301104,927cyclictest2272-21munin-node11:37:520
215799920981037,1026cyclictest0-21swapper09:23:030
215799920551017,1003cyclictest0-21swapper10:08:060
215799919821031,858cyclictest0-21swapper12:00:380
21579991964953,977cyclictest0-21swapper09:43:290
215799919501081,777cyclictest0-21swapper10:37:350
215799919461016,895cyclictest0-21swapper07:37:430
215799919451012,840cyclictest0-21swapper08:41:510
21579991929922,993cyclictest0-21swapper11:28:490
21579991922937,971cyclictest0-21swapper12:22:250
215799919041098,713cyclictest3950irq/9-acpi11:05:120
21579991903997,869cyclictest6969-21munin-node10:45:270
215799918241051,680cyclictest0-21swapper12:11:320
215799917151016,662cyclictest2099-21runrttasks11:47:150
215799916931026,667cyclictest0-21swapper10:57:200
215799916511048,603cyclictest0-21swapper10:00:240
215799915341017,481cyclictest28003-21ssh10:28:120
215799913751055,320cyclictest0-21swapper09:32:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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