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2025-06-17 - 01:43
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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 Mon Jun 16, 2025 00:43:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
795321480,5sleep62350199cyclictest00:33:4712
227632132104,23sleep110-21swapper/1119:07:203
228972128104,20sleep140-21swapper/1419:09:166
227382123105,13sleep70-21swapper/719:07:0013
195702122104,13sleep100-21swapper/1019:05:272
230482120106,10sleep150-21swapper/1519:10:057
230602118101,11sleep90-21swapper/919:10:1515
22919211492,18sleep00-21swapper/019:09:340
19564211492,18sleep50-21swapper/519:05:2211
203621100,1sleep100-21swapper/1023:00:302
22773210891,13sleep40-21swapper/419:07:2910
1888621060,2sleep110-21swapper/1122:05:253
22920210591,8sleep10-21swapper/119:09:351
22839210190,7sleep130-21swapper/1319:08:265
2290829983,11sleep60-21swapper/619:09:2412
206982970,6sleep142351299cyclictest23:52:276
48832960,1sleep91068-21dbus-daemon23:15:1215
311752960,0sleep80-21swapper/822:49:1414
234432930,2sleep023441-21sshd00:21:230
198362930,2sleep125-21ksoftirqd/121:12:501
198362930,2sleep125-21ksoftirqd/121:12:501
299612920,0sleep90-21swapper/922:27:3515
98862910,0sleep50-21swapper/522:32:2011
287912910,0sleep140-21swapper/1421:55:346
214432910,1sleep30-21swapper/323:52:329
291972900,1sleep120-21swapper/1223:03:124
262132900,8sleep02349199cyclictest22:12:590
158772900,1sleep110-21swapper/1122:05:093
125002890,1sleep7721rcuc/722:54:3413
200282870,1sleep150-21swapper/1522:01:447
178842870,1sleep50-21swapper/522:05:1911
248202860,1sleep10-21swapper/121:34:131
2272028672,10sleep120-21swapper/1219:06:494
192692860,3sleep12349299cyclictest00:02:561
2305828572,8sleep80-21swapper/819:10:1414
2279028375,4sleep30-21swapper/319:07:449
2275428372,7sleep20-21swapper/219:07:118
2350699820,1cyclictest0-21swapper/1021:32:022
196432820,1sleep6651ktimersoftd/600:06:4612
314222810,0sleep130-21swapper/1321:38:105
158382810,0sleep80-21swapper/821:43:4214
123222810,1sleep90-21swapper/922:15:0115
118902810,1sleep8811ktimersoftd/823:01:1614
212182800,1sleep40-21swapper/421:16:0510
175452760,1sleep130-21swapper/1322:01:265
57702750,2sleep05765-21sshd23:47:080
138952750,0sleep120-21swapper/1219:35:414
311822730,0sleep130-21swapper/1322:10:165
281482720,2sleep102350699cyclictest23:35:322
281482720,2sleep102350699cyclictest23:35:322
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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