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2026-05-03 - 01:14
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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 highest latencies:
System rack6slot6 (updated Sat May 02, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
250639910710753480,53529cyclictest2121-21ssh09:45:230
250639910695553388,53473cyclictest10015-21diskmemload12:13:250
250639910695253392,53439cyclictest2099-21runrttasks10:49:410
250639910689853392,53442cyclictest9-21ksoftirqd/011:56:200
250639910683653466,53274cyclictest2403-21ssh11:22:000
250639910674253414,53263cyclictest9-21ksoftirqd/011:41:560
250639910663853467,53171cyclictest0-21swapper10:24:040
250639910655953393,53101cyclictest0-21swapper10:38:580
250639910651753431,53086cyclictest0-21swapper11:00:540
250639910651453480,53034cyclictest0-21swapper11:32:430
250639910650753472,53035cyclictest0-21swapper11:09:170
250639910649753470,53027cyclictest0-21swapper10:29:450
250639910649753416,53081cyclictest0-21swapper09:06:510
250639910647553415,53060cyclictest0-21swapper11:45:070
250639910647453413,53061cyclictest0-21swapper12:02:120
250639910646953440,53029cyclictest0-21swapper09:58:260
250639910644653450,52996cyclictest0-21swapper11:37:250
250639910640253420,52982cyclictest0-21swapper07:30:540
250639910623653427,52746cyclictest0-21swapper07:54:000
250639910621453473,52741cyclictest0-21swapper07:14:590
250639910618453429,52755cyclictest0-21swapper07:56:110
250639910618353463,52720cyclictest0-21swapper07:43:580
250639910616353448,52715cyclictest0-21swapper08:19:580
250639910616153443,52718cyclictest0-21swapper07:19:100
250639910614853440,52708cyclictest0-21swapper08:51:070
250639910612253423,52699cyclictest0-21swapper07:23:420
250639910611253419,52693cyclictest0-21swapper12:22:280
25063995399553375,555cyclictest0-21swapper11:19:100
25063995383553397,438cyclictest0-21swapper10:57:230
25063995382453387,437cyclictest0-21swapper09:19:050
25063995359328,53470cyclictest0-21swapper08:13:460
25063995354525,0cyclictest0-21swapper09:00:200
25063995351326,382cyclictest0-21swapper07:35:150
25063995348253353,94cyclictest19863-21ssh12:35:420
25063995320727,53146cyclictest0-21swapper08:23:090
25063995278325,52758cyclictest0-21swapper09:51:240
250639925271016,1384cyclictest18521-21ssh09:21:360
250639922431014,1134cyclictest0-21swapper09:14:030
250639922081000,1080cyclictest7494-21ssh12:17:560
250639921981011,1062cyclictest28661-21ssh11:13:180
250639921591094,941cyclictest761-21ssh10:31:360
250639921471017,1035cyclictest134850irq/9-eth011:27:120
250639921371065,979cyclictest20213-1kworker/0:2H10:43:590
250639920531013,1005cyclictest0-21swapper08:08:550
25063992047996,1016cyclictest0-21swapper08:45:150
250639920221055,902cyclictest134850irq/9-eth010:17:420
250639920171031,866cyclictest0-21swapper09:25:370
250639919971034,867cyclictest0-21swapper07:46:180
250639919681022,852cyclictest0-21swapper08:39:030
250639919631017,853cyclictest0-21swapper08:00:020
250639919531042,788cyclictest0-21swapper08:25:390
250639919201043,784cyclictest0-21swapper12:26:290
250639919131069,720cyclictest10015-21diskmemload10:08:290
25063991891977,876cyclictest748-21sh12:08:140
250639918831025,765cyclictest0-21swapper12:32:410
250639918421049,693cyclictest2277-21Xorg09:36:000
250639917971000,677cyclictest0-21swapper09:34:590
250639917921024,671cyclictest631-21runrttasks07:29:130
25063991785948,803cyclictest9-21ksoftirqd/010:12:200
25063991773920,832cyclictest0-21swapper08:40:040
25063991707911,772cyclictest22140-21ssh11:50:590
250639916851089,505cyclictest9-21ksoftirqd/010:00:070
250639916531046,607cyclictest0-21swapper08:55:480
25063991638960,642cyclictest30303-21munin-node09:40:210
25063991559942,593cyclictest14039-21ssh10:50:510
250639914981007,425cyclictest0-21swapper08:32:010
24501257881,239sleep00-21swapper07:07:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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