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2025-11-18 - 18:19
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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 100 highest latencies:
System rack6slot0.osadl.org (updated Tue Nov 18, 2025 13:02:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1290499366362,2cyclictest0-21swapper/1709:40:209
1290499366362,2cyclictest0-21swapper/1709:40:209
1290499366362,2cyclictest0-21swapper/1709:40:209
1289799270226,18cyclictest3079-21CPU4
1289799270226,18cyclictest3079-21CPU4
1290499251203,20cyclictest36796-21nfsd09:35:249
1290499251203,20cyclictest36796-21nfsd09:35:239
1290499251203,20cyclictest36796-21nfsd09:35:239
1292499244223,12cyclictest16865-21NetworkChangeNo08:00:2124
1292499244223,12cyclictest16865-21NetworkChangeNo08:00:2124
1292599230187,23cyclictest4910-21CPU25
1292599230187,23cyclictest4910-21CPU25
1291899227192,21cyclictest0-21swapper/2612:30:2419
1291899227192,21cyclictest0-21swapper/2612:30:2419
1291899227192,21cyclictest0-21swapper/2612:30:2319
128979922219,26cyclictest1161rcuc/1207:50:184
128979922219,26cyclictest1161rcuc/1207:50:184
12886992201,206cyclictest0-21swapper/209:30:2212
12886992201,206cyclictest0-21swapper/209:30:2212
12886992201,206cyclictest0-21swapper/209:30:2112
1290099218213,3cyclictest0-21swapper/1409:20:006
1290099218213,3cyclictest0-21swapper/1409:20:006
1290099218213,3cyclictest0-21swapper/1409:20:006
1290499212187,10cyclictest36796-21nfsd11:35:199
1290499212187,10cyclictest36796-21nfsd11:35:199
1290499212187,10cyclictest36796-21nfsd11:35:199
12920992111,18cyclictest0-21swapper/2809:35:2421
12920992111,18cyclictest0-21swapper/2809:35:2421
12920992111,18cyclictest0-21swapper/2809:35:2321
1292399207199,7cyclictest0-21swapper/2910:28:3022
1292399207199,7cyclictest0-21swapper/2910:28:2922
1292399207199,7cyclictest0-21swapper/2910:28:2922
1289199207195,8cyclictest0-21swapper/710:18:4937
1289199207195,8cyclictest0-21swapper/710:18:4937
1289199207195,8cyclictest0-21swapper/710:18:4937
1289199204181,16cyclictest1261-21NetworkChangeNo08:50:2037
1289199204181,16cyclictest1261-21NetworkChangeNo08:50:2037
1291499203191,10cyclictest0-21swapper/2212:06:4115
1291499203191,10cyclictest0-21swapper/2212:06:4015
1291499203191,10cyclictest0-21swapper/2212:06:4015
1289799202194,7cyclictest0-21swapper/1212:25:294
1289799202194,7cyclictest0-21swapper/1212:25:294
1290499201182,4cyclictest0-21swapper/1712:05:219
1290499201182,4cyclictest0-21swapper/1712:05:219
1290499201182,4cyclictest0-21swapper/1712:05:219
1292399200186,8cyclictest0-21swapper/2912:14:1822
1292399200186,8cyclictest0-21swapper/2912:14:1822
1292399200186,8cyclictest0-21swapper/2912:14:1822
1288799200151,41cyclictest0-21swapper/307:20:0323
1288799200151,41cyclictest0-21swapper/307:20:0323
1289199199180,7cyclictest0-21swapper/710:45:3837
1289199199180,7cyclictest0-21swapper/710:45:3837
1289199199180,7cyclictest0-21swapper/710:45:3837
1292399198189,7cyclictest0-21swapper/2911:09:2222
1292399198189,7cyclictest0-21swapper/2911:09:2222
1292399198189,7cyclictest0-21swapper/2911:09:2222
12915991981,69cyclictest0-21swapper/2309:05:2116
12915991981,69cyclictest0-21swapper/2309:05:2116
12915991981,69cyclictest0-21swapper/2309:05:2016
1289399198185,10cyclictest0-21swapper/911:18:5939
1289399198185,10cyclictest0-21swapper/911:18:5939
1289199198192,4cyclictest0-21swapper/711:15:5637
1289199198192,4cyclictest0-21swapper/711:15:5637
1289199198190,5cyclictest11172-21NetworkChangeNo09:25:1837
1289199198190,5cyclictest11172-21NetworkChangeNo09:25:1837
129309919620,171cyclictest4908-21CPU29
129309919620,171cyclictest4908-21CPU29
1292499196163,18cyclictest264-21ksoftirqd/3011:05:2224
1292499196163,18cyclictest264-21ksoftirqd/3011:05:2224
1292499196163,18cyclictest264-21ksoftirqd/3011:05:2224
129309919510,180cyclictest36794-21nfsd09:15:2029
129309919510,180cyclictest36794-21nfsd09:15:2029
129309919510,180cyclictest36794-21nfsd09:15:2029
1292599195128,52cyclictest0-21swapper/3112:11:3225
1292599195128,52cyclictest0-21swapper/3112:11:3225
1292599195128,52cyclictest0-21swapper/3112:11:3225
1291199195149,39cyclictest15985-21CPU13
1291199195149,39cyclictest15985-21CPU13
1291199195149,39cyclictest15985-21CPU13
1290899195180,8cyclictest171rcu_preempt08:17:2510
1290899195180,8cyclictest171rcu_preempt08:17:2510
1292099194190,2cyclictest0-21swapper/2809:25:0121
1292099194190,2cyclictest0-21swapper/2809:25:0121
1292099194190,2cyclictest0-21swapper/2809:25:0121
1291899194188,3cyclictest0-21swapper/2610:44:2719
1291899194188,3cyclictest0-21swapper/2610:44:2719
1291899194188,3cyclictest0-21swapper/2610:44:2719
12915991943,184cyclictest15985-21CPU16
12915991943,184cyclictest15985-21CPU16
1291599194150,41cyclictest0-21swapper/2310:49:4916
1291599194150,41cyclictest0-21swapper/2310:49:4916
1291599194150,41cyclictest0-21swapper/2310:49:4916
129169919318,167cyclictest0-21swapper/2408:45:2017
129169919318,167cyclictest0-21swapper/2408:45:2017
1291499193179,6cyclictest0-21swapper/2212:14:4215
1291499193179,6cyclictest0-21swapper/2212:14:4215
1291499193179,6cyclictest0-21swapper/2212:14:4215
1291499193179,12cyclictest0-21swapper/2212:18:5015
1291499193179,12cyclictest0-21swapper/2212:18:5015
1291499193179,12cyclictest0-21swapper/2212:18:4915
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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