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2025-11-23 - 22:34
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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 Sun Nov 23, 2025 13:02:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
710999400374,4cyclictest3078-21CPU2
710999400374,4cyclictest3078-21CPU2
710999400374,4cyclictest3078-21CPU2
7126992621,3cyclictest0-21swapper/2511:05:1918
7126992621,3cyclictest0-21swapper/2511:05:1918
7126992621,3cyclictest0-21swapper/2511:05:1918
71199925111,231cyclictest0-21swapper/1910:20:2111
71199925111,231cyclictest0-21swapper/1910:20:2111
71199925111,231cyclictest0-21swapper/1910:20:2011
712599250245,2cyclictest0-21swapper/2411:03:3017
712599250245,2cyclictest0-21swapper/2411:03:3017
712599250245,2cyclictest0-21swapper/2411:03:2917
712599235198,21cyclictest32878-21NetworkChangeNo12:10:2017
712599235198,21cyclictest32878-21NetworkChangeNo12:10:2017
712599235198,21cyclictest32878-21NetworkChangeNo12:10:2017
712599234208,8cyclictest9079-21inotify_reader08:05:1817
712599234208,8cyclictest9079-21inotify_reader08:05:1817
712599233218,9cyclictest0-21swapper/2411:40:1917
712599233218,9cyclictest0-21swapper/2411:40:1917
712599233218,9cyclictest0-21swapper/2411:40:1917
711399218188,16cyclictest37334-21inotify_reader08:30:186
709599214209,3cyclictest0-21swapper/111:20:211
709599214209,3cyclictest0-21swapper/111:20:211
709599214209,3cyclictest0-21swapper/111:20:211
71459920712,64cyclictest0-21swapper/3009:55:1824
71459920712,64cyclictest0-21swapper/3009:55:1824
71459920712,64cyclictest0-21swapper/3009:55:1824
71459920712,64cyclictest0-21swapper/3009:55:1824
714699202193,7cyclictest0-21swapper/3112:01:4725
714699202193,7cyclictest0-21swapper/3112:01:4625
714699202193,7cyclictest0-21swapper/3112:01:4625
7102992021,195cyclictest0-21swapper/312:25:1323
7102992021,195cyclictest0-21swapper/312:25:1323
7126991987,154cyclictest36796-21nfsd08:25:1818
712599198195,2cyclictest0-21swapper/2411:48:1917
712599198195,2cyclictest0-21swapper/2411:48:1917
712599198195,2cyclictest0-21swapper/2411:48:1817
712599198195,2cyclictest0-21swapper/2411:48:1817
71509919742,130cyclictest36795-21nfsd11:00:2029
71509919742,130cyclictest36795-21nfsd11:00:2029
71509919742,130cyclictest36795-21nfsd11:00:2029
710299197146,44cyclictest0-21swapper/310:11:0223
710299197146,44cyclictest0-21swapper/310:11:0123
710299197146,44cyclictest0-21swapper/310:11:0123
710099197186,2cyclictest0-21swapper/212:14:0312
710099197186,2cyclictest0-21swapper/212:14:0312
710099197186,2cyclictest0-21swapper/212:14:0312
712599195189,4cyclictest0-21swapper/2409:00:1517
712599195189,4cyclictest0-21swapper/2409:00:1417
71169919522,159cyclictest36795-21nfsd09:15:188
71169919522,159cyclictest36795-21nfsd09:15:188
71169919522,159cyclictest36795-21nfsd09:15:188
710599195184,9cyclictest0-21swapper/609:39:3936
710599195184,9cyclictest0-21swapper/609:39:3936
710599195184,9cyclictest0-21swapper/609:39:3936
71459919467,22cyclictest0-21swapper/3012:15:1624
71459919467,22cyclictest0-21swapper/3012:15:1624
712599194189,3cyclictest0-21swapper/2412:39:2417
712599194189,3cyclictest0-21swapper/2412:39:2317
7120991943,4cyclictest20970-21inotify_reader08:20:2113
7120991943,4cyclictest20970-21inotify_reader08:20:2013
71209919411,66cyclictest29615-21inotify_reader10:15:2213
71209919411,66cyclictest29615-21inotify_reader10:15:2213
71209919411,66cyclictest29615-21inotify_reader10:15:2213
712599193186,5cyclictest0-21swapper/2411:21:4017
712599193186,5cyclictest0-21swapper/2411:21:3917
712599193186,5cyclictest0-21swapper/2411:21:3917
71009919398,91cyclictest11900-21CPU12
71009919398,91cyclictest11900-21CPU12
71269919126,159cyclictest26959-21inotify_reader12:15:2018
71269919126,159cyclictest26959-21inotify_reader12:15:1918
71029919119,74cyclictest26493-21inotify_reader12:10:1923
71029919119,74cyclictest26493-21inotify_reader12:10:1923
71029919119,74cyclictest26493-21inotify_reader12:10:1923
712599190185,3cyclictest0-21swapper/2410:42:2117
712599190185,3cyclictest0-21swapper/2410:42:2117
712599190181,5cyclictest0-21swapper/2409:50:0917
712599190181,5cyclictest0-21swapper/2409:50:0917
712599189179,7cyclictest17943-21bash12:26:4917
712599189179,7cyclictest17943-21bash12:26:4917
7112991881,182cyclictest0-21swapper/1311:25:195
7112991881,182cyclictest0-21swapper/1311:25:195
7112991881,182cyclictest0-21swapper/1311:25:195
7102991881,168cyclictest0-21swapper/311:05:1923
7102991881,168cyclictest0-21swapper/311:05:1923
7102991881,168cyclictest0-21swapper/311:05:1923
7092991870,174cyclictest29227-21inotify_reader08:25:180
712599186178,5cyclictest15980-21CPU17
712599186178,5cyclictest15980-21CPU17
712599186178,5cyclictest15980-21CPU17
7109991861,3cyclictest0-21swapper/1008:30:192
710799186151,16cyclictest171rcu_preempt11:35:0438
710799186151,16cyclictest171rcu_preempt11:35:0438
710799186151,16cyclictest171rcu_preempt11:35:0438
710799185163,11cyclictest171rcu_preempt09:25:5838
710799185163,11cyclictest171rcu_preempt09:25:5838
710799185139,22cyclictest0-21swapper/810:57:4138
710799185139,22cyclictest0-21swapper/810:57:4138
710799185139,22cyclictest0-21swapper/810:57:4138
712599184175,6cyclictest0-21swapper/2410:14:3717
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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