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2026-04-30 - 19:22
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot6.osadl.org (updated Thu Apr 30, 2026 12:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1930921290,6sleep10-21swapper/108:05:321
1028321160,7chrt10281-21grep07:40:331
303369911461,13cyclictest14-21ksoftirqd/010:30:110
303369910634,18cyclictest0-21swapper/007:30:150
30336999368,12cyclictest14-21ksoftirqd/009:15:120
3034199924,37cyclictest4848-21packagekitd09:00:251
2990629114,32sleep10-21swapper/107:07:181
30336998965,12cyclictest14-21ksoftirqd/009:40:140
30336998964,14cyclictest14-21ksoftirqd/010:25:130
30336998912,34cyclictest0-21swapper/009:30:130
3034199887,19cyclictest22550-21apt-get11:20:111
3034199886,21cyclictest20970-21apt-get09:45:231
30341998823,25cyclictest0-21swapper/111:55:151
3034199878,61cyclictest0-21swapper/108:15:111
3034199837,21cyclictest1422-21apt-get10:20:231
3034199835,23cyclictest13640-21apt-get09:25:141
30336998352,18cyclictest14-21ksoftirqd/011:30:120
30336998256,16cyclictest14-21ksoftirqd/011:10:130
30336998250,18cyclictest0-21swapper/007:25:250
3034199816,23cyclictest30422-21apt-get07:10:101
30336998154,17cyclictest14-21ksoftirqd/008:45:130
3034199795,23cyclictest12077-21apt-get12:20:121
30341997922,16cyclictest24276-21cron09:55:001
30341997918,16cyclictest11739-21wc07:45:241
30336997952,17cyclictest14-21ksoftirqd/010:10:130
30336997950,18cyclictest14-21ksoftirqd/007:15:140
30336997950,17cyclictest14-21ksoftirqd/012:35:120
30336997914,58cyclictest0-21swapper/010:05:270
30336997854,16cyclictest14-21ksoftirqd/008:05:150
30336997849,18cyclictest14-21ksoftirqd/010:45:130
30336997849,18cyclictest14-21ksoftirqd/007:50:130
3034199777,21cyclictest2806-21apt-get08:55:091
3034199777,20cyclictest26511-21apt-get10:00:131
3034199776,20cyclictest15527-21apt-get11:00:141
3034199775,24cyclictest4906-21apt-get10:30:111
3034199775,23cyclictest24289-21apt-get11:25:121
30336997748,19cyclictest14-21ksoftirqd/007:10:110
3034199767,19cyclictest6644-21apt-get10:35:121
3034199766,20cyclictest10141-21apt-get09:15:121
30341997624,17cyclictest14606-21date07:55:011
30341997621,17cyclictest14774-21cat12:25:351
30341997619,16cyclictest503-21snmpd12:38:521
30336997651,17cyclictest14-21ksoftirqd/008:35:150
2988727633,26sleep00-21swapper/007:07:050
3034199756,23cyclictest2027-21apt-get07:20:121
30341997517,18cyclictest23926-21tail08:20:171
30336997547,18cyclictest14-21ksoftirqd/011:05:130
30336997547,18cyclictest14-21ksoftirqd/007:40:140
3034199746,20cyclictest29579-21apt-get11:40:121
3034199743,33cyclictest457-21dbus-daemon12:09:001
30341997420,15cyclictest15707-21expr09:30:171
30341997322,17cyclictest16465-21sed08:00:021
30341997320,16cyclictest12067-21aten2.4_r3power10:50:141
30341997219,18cyclictest16421-21cat12:30:341
30341997219,13cyclictest15499-21sed11:00:021
30341997121,16cyclictest9453-21cat10:40:351
30341997116,20cyclictest26-21ksoftirqd/107:35:251
30336997145,19cyclictest14-21ksoftirqd/012:00:110
30336997145,19cyclictest14-21ksoftirqd/012:00:110
3034199708,30cyclictest0-21swapper/110:25:241
3034199708,12cyclictest0-21swapper/111:30:301
3034199707,23cyclictest18934-21apt-get09:40:141
3034199703,18cyclictest1349-21unixbench_singl07:15:361
30341997026,8cyclictest0-21swapper/110:05:481
30341997021,12cyclictest2161-21gdbus08:50:051
30341997020,15cyclictest9542-21users09:10:381
30341997019,18cyclictest457-21dbus-daemon12:20:001
30336997042,19cyclictest14-21ksoftirqd/008:20:130
30336997034,30cyclictest14-21ksoftirqd/012:10:150
3034199697,20cyclictest31787-21apt-get10:15:141
3034199696,22cyclictest19051-21apt-get11:10:121
30341996919,18cyclictest481-21gdbus11:20:011
30336996938,19cyclictest14-21ksoftirqd/009:50:140
260882690,6sleep1251rcuc/108:25:251
3034199686,22cyclictest10230-21apt-get10:45:121
3034199683,22cyclictest1315-21/usr/sbin/munin11:50:321
30341996819,16cyclictest30673-21basename08:40:011
3034199677,19cyclictest17120-21apt-get09:35:111
3034199676,21cyclictest30830-21apt-get08:40:131
3034199675,23cyclictest17261-21apt-get11:05:121
3034199674,29cyclictest24750-21apt-get09:55:231
3034199674,24cyclictest31324-21apt-get11:45:151
30341996724,10cyclictest9839-21turbostat12:15:001
30341996714,18cyclictest5636-21cron07:30:011
30341996712,11cyclictest0-21swapper/108:45:381
30336996738,17cyclictest0-21swapper/008:10:120
30336996734,27cyclictest14-21ksoftirqd/011:55:140
3034199665,20cyclictest5811-21apt-get07:30:151
3034199663,18cyclictest28182-21cat08:30:341
30341996618,14cyclictest26-21ksoftirqd/110:15:011
30341996616,17cyclictest21594-21seq08:12:121
30336996636,20cyclictest14-21ksoftirqd/009:05:130
30336996631,27cyclictest14-21ksoftirqd/009:10:320
30341996512,20cyclictest7881-21seq09:06:521
30336996537,17cyclictest14-21ksoftirqd/008:40:110
30336996534,23cyclictest21547-21sshd09:45:360
3034199644,29cyclictest26-21ksoftirqd/112:04:311
3034199644,29cyclictest26-21ksoftirqd/112:04:311
30341996417,15cyclictest12273-21idleruntime09:20:251
30336996436,21cyclictest14-21ksoftirqd/010:58:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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