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2025-12-18 - 21:29
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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, lowest P state: performance
Characteristics of the 50 highest latencies:
System rack5slot0.osadl.org (updated Thu Dec 18, 2025 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14286210335,40sleep30-21swapper/307:09:053
1426929434,48sleep10-21swapper/107:08:511
291572870,3sleep20-21swapper/209:37:232
278922860,0sleep00-21swapper/010:48:050
9062790,3sleep20-21swapper/210:19:142
113732780,1sleep30-21swapper/309:11:513
4542770,1sleep00-21swapper/009:38:410
53212760,3sleep01461899cyclictest09:30:120
258852760,3sleep20-21swapper/212:31:412
208432760,2sleep22439-21runrttasks07:20:292
192042760,1sleep30-21swapper/309:24:293
201612750,1sleep10-21swapper/111:37:271
263042730,2sleep30-21swapper/310:26:573
1424027233,9sleep20-21swapper/207:08:282
183002680,0sleep00-21swapper/011:05:230
56912650,2sleep30-21swapper/310:30:293
156182640,0sleep00-21swapper/010:44:200
196842630,4sleep11461999cyclictest09:24:401
1428326337,4sleep00-21swapper/007:09:020
79692620,1sleep10-21swapper/112:36:201
195042370,4sleep21462099cyclictest11:37:112
35842262,22sleep2146450irq/28-eth1-rx-12:24:482
47542257,16sleep310850irq/23-ehci_hcd09:40:053
208712250,1sleep30-21swapper/310:35:213
122982240,2sleep12439-21runrttasks12:16:441
74482220,2sleep12439-21runrttasks10:41:251
14621992012,6cyclictest29452-21sshd09:47:303
14620991812,5cyclictest13759-21sshd09:32:382
1462199170,15cyclictest2439-21runrttasks09:58:093
14620991713,3cyclictest5977-21gawk09:10:172
14618991713,3cyclictest0-21swapper/011:00:010
1461899170,1cyclictest0-21swapper/011:10:180
310742161,4sleep1137550irq/27-eth009:18:041
1462199160,14cyclictest27484-21sshd09:36:473
1462199160,14cyclictest1556-21sshd11:00:163
1462199160,14cyclictest0-21swapper/311:24:333
1462199160,14cyclictest0-21swapper/310:53:373
1462199160,14cyclictest0-21swapper/309:25:173
1462199160,11cyclictest0-21swapper/308:16:083
1462099165,2cyclictest3750-21sshd11:21:372
1462099163,10cyclictest10850irq/23-ehci_hcd11:25:372
1461999164,4cyclictest0-21swapper/110:50:411
14619991611,4cyclictest10850irq/23-ehci_hcd12:33:111
1461999161,13cyclictest23709-21sshd10:56:541
1461999160,15cyclictest0-21swapper/110:35:311
1461899167,5cyclictest0-21swapper/010:32:090
1461899165,10cyclictest0-21swapper/012:11:240
1461899160,15cyclictest0-21swapper/012:16:550
1461899160,13cyclictest0-21swapper/011:26:490
1462199157,6cyclictest0-21swapper/310:48:313
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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