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2026-05-26 - 22:37
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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 rackdslot4.osadl.org (updated Tue May 26, 2026 12:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2277421800,6sleep22614199cyclictest10:01:562
2065021750,6sleep12614099cyclictest09:54:011
2000021670,7sleep02613999cyclictest08:00:220
2749521590,5sleep22614199cyclictest10:22:552
492321580,6sleep22614199cyclictest09:53:092
1883721580,6sleep02613999cyclictest11:25:270
1101721520,5sleep02613999cyclictest10:21:000
1675521400,6sleep32614299cyclictest10:21:533
507981080,89rtkit-daemon0-21swapper/207:09:282
25485210763,35sleep00-21swapper/007:08:000
25389210560,36sleep10-21swapper/107:06:461
1385919168,15phc2sys0-21swapper/307:05:523
255012790,4sleep325506-21spawn10:15:303
175452690,2sleep10-21swapper/110:22:421
133462690,5sleep113339-21sort10:18:331
226372680,3sleep322635-21execl10:00:373
26141996530,16cyclictest33-21ksoftirqd/210:15:232
5742620,2sleep00-21swapper/009:33:210
139822620,8sleep32614299cyclictest09:49:533
213532610,5sleep221369-21spawn10:14:332
26141996029,4cyclictest33-21ksoftirqd/209:55:222
26139996019,9cyclictest9-21ksoftirqd/010:01:510
26139995915,4cyclictest9-21ksoftirqd/009:53:190
138402560,4sleep313801-21sh09:53:183
227582550,2sleep122752-21execl10:01:441
26141995325,7cyclictest33-21ksoftirqd/211:20:182
26141995225,8cyclictest33-21ksoftirqd/207:43:312
26141995216,6cyclictest33-21ksoftirqd/209:49:392
92742510,4sleep119990-21whetstone-doubl08:45:161
26141995121,4cyclictest33-21ksoftirqd/208:28:112
26141995120,8cyclictest33-21ksoftirqd/211:40:012
26141995119,10cyclictest33-21ksoftirqd/210:50:192
26141995030,9cyclictest33-21ksoftirqd/211:10:002
26141995021,7cyclictest33-21ksoftirqd/211:45:002
26141995020,7cyclictest33-21ksoftirqd/212:35:122
26141995019,3cyclictest33-21ksoftirqd/210:45:252
26141995018,4cyclictest33-21ksoftirqd/212:30:162
26141995016,7cyclictest33-21ksoftirqd/209:40:002
26141994921,4cyclictest33-21ksoftirqd/208:41:042
26141994821,6cyclictest33-21ksoftirqd/209:24:082
26141994814,4cyclictest33-21ksoftirqd/209:25:402
26141994812,4cyclictest33-21ksoftirqd/211:25:102
2614199472,3cyclictest33-21ksoftirqd/209:40:222
26141994718,4cyclictest33-21ksoftirqd/209:33:062
26141994715,4cyclictest33-21ksoftirqd/211:00:142
26141994714,6cyclictest33-21ksoftirqd/211:30:152
26139994711,4cyclictest9-21ksoftirqd/010:15:000
138491470,0ptp4l401ktimersoftd/310:09:053
266072460,1sleep30-21swapper/310:10:163
2614199464,3cyclictest33-21ksoftirqd/212:20:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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