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2026-03-19 - 23:16
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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 Thu Mar 19, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2442099210870105407,105461cyclictest0-21swapper11:21:160
244209910703653411,53531cyclictest0-21swapper09:19:110
244209910695453416,53447cyclictest0-21swapper09:44:580
244209910681753470,53347cyclictest0-21swapper07:56:570
244209910675153476,53275cyclictest0-21swapper12:31:560
244209910652053481,53039cyclictest0-21swapper11:25:470
244209910649653439,53057cyclictest0-21swapper07:54:360
244209910647953478,53001cyclictest0-21swapper11:42:120
244209910647853466,53012cyclictest0-21swapper10:10:050
244209910646653411,53055cyclictest0-21swapper09:05:270
244209910645653390,53066cyclictest0-21swapper10:01:130
244209910645453449,53005cyclictest0-21swapper12:23:540
244209910645353453,53000cyclictest0-21swapper10:56:490
244209910644353448,52995cyclictest0-21swapper08:02:590
244209910643253426,53006cyclictest0-21swapper07:36:310
244209910642853438,52990cyclictest0-21swapper10:52:380
244209910641853429,52989cyclictest0-21swapper10:40:140
244209910641553427,52988cyclictest0-21swapper10:09:350
244209910639153475,52850cyclictest0-21swapper07:48:050
244209910638053443,52937cyclictest0-21swapper07:33:000
244209910635653458,52834cyclictest9-21ksoftirqd/007:29:590
244209910633853449,52825cyclictest9-21ksoftirqd/008:46:210
244209910626553477,52788cyclictest0-21swapper09:47:290
244209910622353475,52748cyclictest0-21swapper08:17:230
244209910619153466,52725cyclictest0-21swapper07:42:430
244209910615853401,52757cyclictest0-21swapper12:26:250
244209910615353038,53113cyclictest0-21swapper08:51:330
244209910613953392,52747cyclictest0-21swapper09:22:320
244209910540353142,52261cyclictest0-21swapper12:38:180
244209910530853000,52305cyclictest9282-21diskmemload10:17:480
244209910527353057,52214cyclictest26429-21ssh11:08:420
244209910512053007,52111cyclictest0-21swapper10:35:130
244209910509052998,52090cyclictest0-21swapper11:11:130
244209910507152991,52078cyclictest0-21swapper08:23:550
24420995400029,0cyclictest2272-21munin-node09:34:350
24420995357527,0cyclictest0-21swapper10:23:190
24420995342626,53400cyclictest0-21swapper09:29:440
24420995335726,53238cyclictest0-21swapper07:22:170
24420995335527,53235cyclictest0-21swapper11:35:400
24420995325127,0cyclictest0-21swapper07:16:350
24420995323827,53211cyclictest0-21swapper09:15:000
24420995313525,53110cyclictest0-21swapper07:13:040
24420995311411,53101cyclictest0-21swapper08:37:390
2442099531038,53093cyclictest0-21swapper12:11:200
244209930331515,1481cyclictest1741-21hald11:16:250
244209928121098,1616cyclictest2099-21runrttasks11:52:450
244209924291029,1276cyclictest9282-21diskmemload11:56:560
244209922081059,1025cyclictest32004-21rm10:30:010
244209920951099,871cyclictest2099-21runrttasks08:32:270
24420992026971,1018cyclictest29785-21ssh10:25:300
24420992022985,1003cyclictest0-21swapper11:02:100
244209919901031,864cyclictest0-21swapper11:47:330
24420991923932,957cyclictest0-21swapper11:31:590
244209917581041,680cyclictest32395-21ssh12:04:590
244209916831092,591cyclictest0-21swapper09:00:050
244209916581074,584cyclictest0-21swapper09:58:120
24420991654998,624cyclictest9-21ksoftirqd/010:47:260
244209916171090,461cyclictest0-21swapper08:43:200
244209915921079,451cyclictest9-21ksoftirqd/008:07:300
244209915781035,543cyclictest0-21swapper12:18:530
24420991566742,821cyclictest0-21swapper08:58:550
244209915271009,518cyclictest0-21swapper08:27:060
244209915151013,469cyclictest30039-21kworker/0:012:06:490
24420991495697,790cyclictest0-21swapper08:10:110
244209914641095,369cyclictest0-21swapper09:36:460
244209913601044,316cyclictest0-21swapper09:51:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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