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2026-04-28 - 23:18
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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 Tue Apr 28, 2026 12:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
207089910750453441,53941cyclictest2099-21runrttasks09:31:190
207089910694953428,53455cyclictest0-21swapper08:08:560
207089910672053454,53202cyclictest9-21ksoftirqd/008:43:250
207089910661153479,53132cyclictest0-21swapper08:23:400
207089910654753451,53096cyclictest0-21swapper12:20:280
207089910654253398,53144cyclictest0-21swapper08:59:200
207089910654153411,53064cyclictest0-21swapper11:10:180
207089910648053462,53018cyclictest0-21swapper11:34:550
207089910647953466,53013cyclictest0-21swapper11:41:270
207089910647353458,53015cyclictest0-21swapper12:38:330
207089910645953465,52994cyclictest0-21swapper10:23:040
207089910641653428,52988cyclictest0-21swapper11:08:570
207089910634853397,52860cyclictest0-21swapper08:33:130
207089910633653344,52977cyclictest4511-21ssh10:40:490
207089910626353478,52785cyclictest0-21swapper07:38:370
207089910625853477,52781cyclictest0-21swapper07:19:410
207089910624053444,52796cyclictest0-21swapper07:54:210
207089910616853448,52720cyclictest0-21swapper07:47:490
207089910585853323,52535cyclictest0-21swapper10:14:320
207089910539152924,52465cyclictest32468-21ssh12:09:250
207089910502352905,52116cyclictest0-21swapper09:46:040
20708995407728,0cyclictest5501-21ssh12:16:070
20708995384530,53716cyclictest2099-21runrttasks12:33:120
20708995350429,53351cyclictest5817-21diskmemload11:28:330
20708995344427,384cyclictest0-21swapper11:16:300
20708995330230,53182cyclictest20693-21cyclictest11:35:050
20708995325626,0cyclictest0-21swapper08:39:540
20708995323325,0cyclictest0-21swapper07:40:570
20708995320926,53183cyclictest0-21swapper11:49:090
20708995311810,53106cyclictest0-21swapper09:37:510
20708995305225,53027cyclictest0-21swapper07:31:350
20708995300228,52883cyclictest31295-21kworker/0:308:54:390
20708995261812,52604cyclictest19588-21ssh10:15:320
207089925091085,1294cyclictest2099-21runrttasks11:24:420
207089923841044,1214cyclictest14935-21ssh09:22:170
207089922971083,1089cyclictest9516-21ssh10:49:120
207089922611096,1040cyclictest9-21ksoftirqd/011:59:220
207089921531041,1076cyclictest20970-21ssh11:52:000
207089921521046,985cyclictest134850irq/9-eth012:13:460
207089921001021,1040cyclictest176662sleep009:25:480
207089920931018,1023cyclictest11329-21ssh10:50:420
207089920571069,863cyclictest10458-21ssh10:02:580
207089920431011,998cyclictest0-21swapper07:10:390
207089919971034,867cyclictest0-21swapper12:02:030
207089919881036,918cyclictest0-21swapper10:25:550
207089919861031,861cyclictest0-21swapper08:29:520
20708991971918,1040cyclictest0-21swapper10:32:470
207089919391020,911cyclictest31709-21kworker/0:310:36:280
20708991908922,972cyclictest0-21swapper10:07:500
207089919011032,776cyclictest0-21swapper10:56:040
207089918851071,724cyclictest3950irq/9-acpi09:53:560
20708991860884,962cyclictest0-21swapper11:01:050
207089916641024,620cyclictest3950irq/9-acpi09:43:330
207089916551101,461cyclictest10-21rcuc/008:10:460
207089916521100,552cyclictest0-21swapper08:46:060
207089916481099,484cyclictest10-21rcuc/009:03:010
207089916221073,485cyclictest3950irq/9-acpi09:05:220
207089916011085,451cyclictest9-21ksoftirqd/008:01:430
207089915971048,549cyclictest0-21swapper07:55:010
20708991578987,571cyclictest5350irq/9-uhci_hcd:09:58:470
207089915321009,454cyclictest0-21swapper07:24:130
207089914961011,420cyclictest0-21swapper12:29:210
207089914671004,420cyclictest0-21swapper07:26:130
207089914561101,355cyclictest0-21swapper08:17:580
207089914511093,358cyclictest0-21swapper09:19:160
20708991396973,389cyclictest8921-21ssh09:14:140
20608255689,208sleep00-21swapper07:09:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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