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2026-01-02 - 22:01
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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 Fri Jan 02, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
314439910738153430,53853cyclictest5384-21munin-node07:25:140
314439910725253413,53776cyclictest134850irq/9-eth009:25:390
314439910711753398,53624cyclictest11455-21ssh10:37:400
314439910675853440,53318cyclictest0-21swapper11:37:170
314439910674253473,53269cyclictest0-21swapper09:31:300
314439910673453481,53189cyclictest5350irq/9-uhci_hcd:08:49:280
314439910663553399,53170cyclictest0-21swapper10:23:050
314439910660753389,53154cyclictest9-21ksoftirqd/010:01:490
314439910659153427,53164cyclictest0-21swapper08:51:590
314439910659053478,53048cyclictest9-21ksoftirqd/012:39:250
314439910656053431,53129cyclictest0-21swapper12:11:470
314439910655253469,53083cyclictest0-21swapper08:01:250
314439910653453477,53057cyclictest0-21swapper09:21:580
314439910653353446,53087cyclictest0-21swapper10:55:250
314439910650753466,53041cyclictest0-21swapper08:40:160
314439910645853407,53051cyclictest0-21swapper11:12:300
314439910644853401,53047cyclictest0-21swapper10:08:110
314439910644753472,52975cyclictest0-21swapper10:53:440
314439910644653401,53045cyclictest0-21swapper07:17:520
314439910644653400,53046cyclictest0-21swapper11:28:440
314439910644153397,53044cyclictest0-21swapper11:06:080
314439910644053396,53044cyclictest0-21swapper08:39:050
314439910642653460,52966cyclictest0-21swapper09:07:440
314439910641053426,52984cyclictest0-21swapper09:53:170
314439910637153414,52957cyclictest0-21swapper12:33:130
314439910635653471,52885cyclictest0-21swapper07:37:580
314439910635453469,52885cyclictest0-21swapper08:13:580
314439910628353434,52849cyclictest0-21swapper11:51:110
314439910623453409,52825cyclictest0-21swapper08:21:000
314439910622153410,52745cyclictest0-21swapper08:34:440
314439910621653474,52742cyclictest0-21swapper09:02:320
314439910618553455,52730cyclictest0-21swapper08:18:290
314439910616053447,52713cyclictest0-21swapper12:09:060
314439910615253398,52754cyclictest0-21swapper11:34:160
314439910614853396,52752cyclictest0-21swapper09:59:290
314439910614453436,52708cyclictest0-21swapper07:31:060
314439910584953342,52507cyclictest0-21swapper07:55:530
314439910521253084,52122cyclictest0-21swapper11:02:570
31443995406653403,663cyclictest0-21swapper10:44:010
31443995382253382,440cyclictest0-21swapper09:14:360
31443995366930,53549cyclictest9-21ksoftirqd/007:48:010
31443995360125,0cyclictest0-21swapper07:12:000
31443995354624,53429cyclictest0-21swapper10:13:120
31443995354127,0cyclictest0-21swapper10:33:080
31443995335225,0cyclictest0-21swapper12:19:190
31443995322328,53195cyclictest0-21swapper11:44:190
31443995317825,53153cyclictest0-21swapper12:01:240
314439942231995,2104cyclictest2679-21devkit-power-da07:51:120
314439923981085,1313cyclictest0-21swapper08:07:360
314439923921015,1377cyclictest20817-21ssh12:28:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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