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2025-03-20 - 02:08
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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 rackcslot0.osadl.org (updated Wed Mar 19, 2025 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
201162134102,27sleep110-21swapper/1119:14:443
2646121270,1sleep130-21swapper/1300:14:005
202942125106,15sleep60-21swapper/619:16:3112
168612125103,17sleep50-21swapper/519:12:1311
20188212499,20sleep90-21swapper/919:15:4615
20197212391,27sleep10-21swapper/119:15:541
2423521080,1sleep1224233-21sshd22:58:014
20210210792,10sleep120-21swapper/1219:16:054
20013210692,9sleep150-21swapper/1519:13:287
19244210693,7sleep130-21swapper/1319:12:545
821321030,1sleep50-21swapper/519:38:2511
2559421010,4sleep32075799cyclictest00:13:509
20145210190,7sleep40-21swapper/419:15:0910
126512960,1sleep40-21swapper/423:12:0410
315892950,1sleep40-21swapper/423:37:1210
315892950,1sleep40-21swapper/423:37:1210
2014429481,9sleep30-21swapper/319:15:089
2003829476,13sleep140-21swapper/1419:13:436
104522940,1sleep40-21swapper/400:00:2810
42342930,2sleep882-21ksoftirqd/822:38:4214
241412930,1sleep50-21swapper/500:13:3611
188972920,0sleep130-21swapper/1323:51:005
188972920,0sleep130-21swapper/1323:51:005
150092920,1sleep90-21swapper/900:06:4215
286282910,4sleep32075799cyclictest21:54:139
204912910,1sleep140-21swapper/1423:29:376
204912910,1sleep140-21swapper/1423:29:376
102882910,1sleep70-21swapper/700:38:3013
243082900,0sleep40-21swapper/422:25:4810
1923729075,11sleep70-21swapper/719:12:4813
135942900,0sleep110-21swapper/1121:20:393
221602890,1sleep00-21swapper/000:40:310
2020428974,10sleep80-21swapper/819:16:0114
2020628872,6sleep100-21swapper/1019:16:032
96852870,1sleep40-21swapper/421:56:5510
258632870,0sleep00-21swapper/000:46:410
2004928772,11sleep00-21swapper/019:13:450
192442860,1sleep130-21swapper/1323:56:535
81152840,2sleep010-21ksoftirqd/000:10:500
300982830,1sleep60-21swapper/621:18:1012
2001828375,4sleep20-21swapper/219:13:318
11152810,0sleep110-21swapper/1123:37:193
11152810,0sleep110-21swapper/1123:37:193
47362800,1sleep125-21ksoftirqd/121:23:581
2075599490,3cyclictest18534-21sshd00:45:131
2075599490,3cyclictest1033-21gdbus23:01:331
2075599490,1cyclictest0-21swapper/123:07:571
2075599490,1cyclictest0-21swapper/120:02:371
2075499490,47cyclictest0-21swapper/022:16:550
2075499490,1cyclictest0-21swapper/000:36:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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