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2026-06-01 - 21:07
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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 50 highest latencies:
System rack6slot6 (updated Mon Jun 01, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
253339910751453433,53959cyclictest3377-21ssh12:05:280
253339910717953412,53646cyclictest4644-21ssh10:35:020
253339910675053414,53245cyclictest0-21swapper10:51:470
253339910665853441,53217cyclictest0-21swapper10:07:140
253339910664053380,53196cyclictest12076-21kworker/0:110:12:050
253339910663653472,53164cyclictest0-21swapper09:10:480
253339910659153385,53134cyclictest309452sleep007:22:260
253339910653153444,53087cyclictest0-21swapper12:29:050
253339910652153481,53040cyclictest0-21swapper10:19:170
253339910650753418,53089cyclictest0-21swapper11:51:440
253339910648053477,53003cyclictest0-21swapper11:49:430
253339910648053418,53062cyclictest0-21swapper10:04:130
253339910647053461,53009cyclictest0-21swapper09:06:570
253339910646953472,52997cyclictest0-21swapper09:44:580
253339910644353398,53045cyclictest0-21swapper08:26:550
253339910643253394,53038cyclictest0-21swapper11:20:350
253339910642553465,52864cyclictest25778-21ssh12:38:380
253339910636753463,52840cyclictest9-21ksoftirqd/009:18:400
253339910636753461,52842cyclictest9-21ksoftirqd/008:06:390
253339910633353422,52846cyclictest9-21ksoftirqd/009:04:560
253339910627453481,52793cyclictest0-21swapper10:20:480
253339910625053428,52789cyclictest10-21rcuc/011:04:510
253339910620953475,52734cyclictest0-21swapper08:57:040
253339910619153403,52788cyclictest0-21swapper12:33:060
253339910618853397,52755cyclictest0-21swapper08:11:310
253339910618353416,52767cyclictest0-21swapper11:56:050
253339910618153411,52770cyclictest0-21swapper07:27:180
253339910603652960,53074cyclictest0-21swapper07:50:350
253339910575453290,52461cyclictest0-21swapper07:45:030
253339910539253165,52224cyclictest0-21swapper07:44:430
253339910536353112,52251cyclictest0-21swapper11:26:470
253339910507052952,52117cyclictest0-21swapper09:57:010
25333995356826,53450cyclictest0-21swapper10:43:140
25333995309027,297cyclictest0-21swapper08:30:060
25333995305726,53031cyclictest0-21swapper09:49:490
25333995305526,53029cyclictest0-21swapper12:03:580
25333995297325,52855cyclictest0-21swapper08:35:480
25333995274626,52720cyclictest0-21swapper07:56:160
253339925511095,1331cyclictest19907-21ssh10:55:580
253339924141035,1280cyclictest10325-21diskmemload11:39:410
253339923801058,1223cyclictest27402-21ssh09:34:340
253339922081013,1100cyclictest0-21swapper12:12:000
25333992159972,1094cyclictest21463-21kworker/0:210:29:400
253339921041041,1028cyclictest0-21swapper07:17:250
253339920961025,1037cyclictest0-21swapper10:49:160
253339920871040,1026cyclictest0-21swapper08:50:420
25333992042994,1014cyclictest0-21swapper11:33:090
25333992019969,1016cyclictest23411-21ssh09:28:330
25333992004967,999cyclictest29795-21ssh09:37:150
253339920021099,837cyclictest10732sleep008:45:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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