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2025-11-24 - 11:25
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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 Mon Nov 24, 2025 01:01:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
154599262233,13cyclictest15978-21CPU18
154599262233,13cyclictest15978-21CPU18
154599256224,12cyclictest38025-21NetworkChangeNo20:05:1918
154599256224,12cyclictest38025-21NetworkChangeNo20:05:1918
154599238206,12cyclictest8424-21inotify_reader22:55:1918
154599238206,12cyclictest8424-21inotify_reader22:55:1918
154599234202,21cyclictest33730-21inotify_reader19:20:2018
154599234202,21cyclictest33730-21inotify_reader19:20:2018
154499230221,5cyclictest15984-21CPU17
154499230221,5cyclictest15984-21CPU17
15119922410,189cyclictest37454-21NetworkChangeNo20:15:2039
15119922410,189cyclictest37454-21NetworkChangeNo20:15:2039
154499222219,2cyclictest0-21swapper/2400:23:3317
154499222219,2cyclictest0-21swapper/2400:23:3317
15629921950,83cyclictest37357-21TaskSchedulerSi00:35:2032
15629921950,83cyclictest37357-21TaskSchedulerSi00:35:1932
15629921950,83cyclictest37357-21TaskSchedulerSi00:35:1932
154499210184,11cyclictest0-21swapper/2423:45:1817
154499210184,11cyclictest0-21swapper/2423:45:1817
154599209186,10cyclictest0-21swapper/2521:40:1918
154599209186,10cyclictest0-21swapper/2521:40:1918
15119920466,91cyclictest15466-21inotify_reader23:05:1839
15119920466,91cyclictest15466-21inotify_reader23:05:1839
154599203149,44cyclictest20792-21NetworkChangeNo22:35:2118
154599203149,44cyclictest20792-21NetworkChangeNo22:35:2118
151299199195,2cyclictest0-21swapper/1000:20:182
151299199195,2cyclictest0-21swapper/1000:20:182
1511991990,189cyclictest20718-21chromium21:43:2539
1511991990,189cyclictest20718-21chromium21:43:2539
151699197193,2cyclictest0-21swapper/1322:21:015
151699197193,2cyclictest0-21swapper/1322:21:015
1511991961,94cyclictest0-21swapper/900:04:0039
1511991961,94cyclictest0-21swapper/900:04:0039
1511991961,94cyclictest0-21swapper/900:04:0039
154599195181,9cyclictest4906-21CPU18
154599195181,9cyclictest4906-21CPU18
154599194190,2cyclictest0-21swapper/2521:17:3718
154599194190,2cyclictest0-21swapper/2521:17:3718
1504991942,63cyclictest2237-21inotify_reader20:40:2023
1504991942,63cyclictest2237-21inotify_reader20:40:1923
154599193186,5cyclictest0-21swapper/2521:20:2018
154599193186,5cyclictest0-21swapper/2521:20:2018
154599193185,5cyclictest0-21swapper/2521:25:2218
154599193185,5cyclictest0-21swapper/2521:25:2218
15119919392,97cyclictest36795-21nfsd00:05:2239
15119919392,97cyclictest36795-21nfsd00:05:2239
15119919392,97cyclictest36795-21nfsd00:05:2139
150899193174,6cyclictest0-21swapper/621:53:3436
150899193174,6cyclictest0-21swapper/621:53:3336
150399193179,3cyclictest0-21swapper/200:20:1912
150399193179,3cyclictest0-21swapper/200:20:1912
15529919245,44cyclictest31930-21TaskSchedulerSi00:25:2124
15529919245,44cyclictest31930-21TaskSchedulerSi00:25:2024
15529919245,44cyclictest31930-21TaskSchedulerSi00:25:2024
154599192187,3cyclictest0-21swapper/2520:20:0218
154599192187,3cyclictest0-21swapper/2520:20:0218
1511991911,55cyclictest36796-21nfsd19:45:2339
1511991911,55cyclictest36796-21nfsd19:45:2339
1555991900,4cyclictest5602-21sshd00:10:2426
1555991900,4cyclictest5602-21sshd00:10:2426
154499190166,9cyclictest4052-21sshd00:30:1917
154499190166,9cyclictest4052-21sshd00:30:1917
150899190180,7cyclictest0-21swapper/620:52:5836
150899190180,7cyclictest0-21swapper/620:52:5836
154599189160,19cyclictest37468-21TaskSchedulerSi23:20:2118
154599189160,19cyclictest37468-21TaskSchedulerSi23:20:2118
1511991892,127cyclictest4630-21CPU39
1511991892,127cyclictest4630-21CPU39
1511991892,127cyclictest4630-21CPU39
155499188167,19cyclictest0-21swapper/3100:31:0725
155499188167,19cyclictest0-21swapper/3100:31:0725
154599188182,3cyclictest0-21swapper/2521:35:0818
154599188182,3cyclictest0-21swapper/2521:35:0818
151199188112,71cyclictest27274-21inotify_reader22:40:1839
151199188112,71cyclictest27274-21inotify_reader22:40:1839
150399188152,11cyclictest0-21swapper/220:50:1512
150399188152,11cyclictest0-21swapper/220:50:1512
151799187178,6cyclictest0-21swapper/1421:10:546
151799187178,6cyclictest0-21swapper/1421:10:546
1531991863,163cyclictest9327-21CPU14
1531991863,163cyclictest9327-21CPU14
15119918699,79cyclictest6949-21TaskSchedulerSi00:25:2039
15119918699,79cyclictest6949-21TaskSchedulerSi00:25:1939
15119918699,79cyclictest6949-21TaskSchedulerSi00:25:1939
1511991862,179cyclictest0-21swapper/922:00:1739
1511991862,179cyclictest0-21swapper/922:00:1739
1511991862,179cyclictest0-21swapper/922:00:1639
1511991860,180cyclictest36795-21nfsd23:50:3039
1511991860,180cyclictest36795-21nfsd23:50:3039
1511991860,180cyclictest36795-21nfsd23:50:3039
156099185152,16cyclictest0-21swapper/3600:10:1130
156099185152,16cyclictest0-21swapper/3600:10:1130
154599185175,6cyclictest11893-21qemu-system-x8621:39:2718
154599185175,6cyclictest11893-21qemu-system-x8621:39:2718
154599185175,6cyclictest11893-21qemu-system-x8621:39:2718
154599185174,9cyclictest0-21swapper/2522:15:1618
154599185174,9cyclictest0-21swapper/2522:15:1518
1531991854,175cyclictest0-21swapper/2121:37:4514
1531991854,175cyclictest0-21swapper/2121:37:4514
1531991854,175cyclictest0-21swapper/2121:37:4514
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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