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2026-05-15 - 22:29
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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 Fri May 15, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5219910744853401,53952cyclictest29855-21ssh10:14:030
5219910707553394,53560cyclictest12077-21ssh12:09:470
5219910702253472,53454cyclictest4923-21ssh09:37:030
5219910702053473,53452cyclictest2099-21runrttasks12:15:480
5219910695153442,53418cyclictest10-21rcuc/010:44:320
5219910688553476,53287cyclictest18306-21ssh09:56:180
5219910666953450,53219cyclictest0-21swapper10:16:240
5219910656453396,53102cyclictest0-21swapper12:28:320
5219910650653461,53045cyclictest0-21swapper09:50:570
5219910648653463,53023cyclictest0-21swapper11:02:270
5219910646853407,53061cyclictest0-21swapper07:47:310
5219910646253439,53023cyclictest0-21swapper08:03:460
5219910646053471,52926cyclictest505-21cyclictest12:12:370
5219910645553404,53051cyclictest0-21swapper10:35:090
5219910645253437,53015cyclictest0-21swapper09:46:150
5219910643853395,53043cyclictest0-21swapper12:20:100
5219910642553386,53039cyclictest0-21swapper08:57:010
5219910642453433,52991cyclictest0-21swapper11:17:210
5219910641553388,52965cyclictest505-21cyclictest10:04:510
5219910641253463,52887cyclictest3950irq/9-acpi07:14:210
5219910631953417,52902cyclictest0-21swapper08:09:570
5219910629053389,52810cyclictest0-21swapper07:18:530
5219910622653474,52752cyclictest0-21swapper09:09:040
5219910620153464,52737cyclictest0-21swapper09:02:530
5219910614153391,52750cyclictest0-21swapper08:50:590
5219910614053431,52709cyclictest0-21swapper10:32:390
5219910613553430,52705cyclictest0-21swapper08:10:580
5219910598052903,53075cyclictest0-21swapper10:24:260
521995350328,178cyclictest0-21swapper08:40:060
521995336326,53243cyclictest0-21swapper11:31:150
521995330227,0cyclictest27968-21ssh10:58:160
521995318527,53066cyclictest0-21swapper07:39:190
521995307630,52957cyclictest9-21ksoftirqd/011:50:510
521995288626,0cyclictest3950irq/9-acpi10:06:410
521995278127,52754cyclictest0-21swapper08:20:100
5219924921092,1276cyclictest31670-21ssh12:37:450
5219924901095,1270cyclictest18024-21diskmemload09:10:350
5219923051104,1076cyclictest2790-21gnome-settings-12:03:450
5219922281012,1195cyclictest2272-21munin-node11:43:390
5219920701016,1017cyclictest4935-21ssh11:11:000
5219920671022,1008cyclictest0-21swapper11:27:140
521992026951,1054cyclictest0-21swapper09:21:380
5219919931034,866cyclictest0-21swapper08:18:000
5219919821031,859cyclictest0-21swapper12:31:130
5219919401035,812cyclictest0-21swapper08:25:520
5219919351034,809cyclictest0-21swapper07:25:450
521991934974,937cyclictest28802-21ssh11:45:500
521991912921,977cyclictest0-21swapper11:35:060
521991909959,930cyclictest0-21swapper11:05:280
5219919041017,764cyclictest28484-21munin-node09:25:190
5219918931096,704cyclictest0-21swapper07:41:190
521991877911,952cyclictest0-21swapper09:30:410
5219918551012,806cyclictest24153-21ssh10:52:240
521991742839,889cyclictest0-21swapper11:20:320
5219916921018,581cyclictest10-21rcuc/009:44:450
5219916721094,578cyclictest0-21swapper08:38:060
5219916651094,571cyclictest0-21swapper07:20:530
5219916641086,515cyclictest9-21ksoftirqd/008:49:290
521991626806,816cyclictest0-21swapper11:59:440
5219916021062,540cyclictest0-21swapper07:51:320
5219915911056,535cyclictest0-21swapper08:31:030
5219915771086,427cyclictest9-21ksoftirqd/007:56:230
5219914571093,364cyclictest0-21swapper10:45:520
5219914531093,360cyclictest0-21swapper07:34:370
521991424656,763cyclictest0-21swapper09:17:470
5219913731009,364cyclictest0-21swapper10:28:370
32250258087,213sleep00-21swapper07:06:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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