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2025-12-31 - 03:17
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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 Wed Dec 31, 2025 00:45:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13888999265,17cyclictest0-21swapper/021:45:150
13888999265,17cyclictest0-21swapper/021:45:140
13888999068,11cyclictest14-21ksoftirqd/020:10:130
13888998962,14cyclictest14-21ksoftirqd/022:10:160
13888998918,62cyclictest0-21swapper/021:25:150
13888998918,62cyclictest0-21swapper/021:25:140
13888998756,17cyclictest14-21ksoftirqd/023:15:140
1215028630,42sleep00-21swapper/019:05:150
13888998517,56cyclictest0-21swapper/020:55:160
13888998444,34cyclictest14-21ksoftirqd/022:50:150
13888998315,54cyclictest0-21swapper/022:55:150
1388899827,64cyclictest15167-21apt-get23:45:150
13888998254,18cyclictest14-21ksoftirqd/019:50:160
1388899823,71cyclictest533-21fw_packets20:00:230
13888998154,18cyclictest14-21ksoftirqd/019:20:150
13888998115,52cyclictest0-21swapper/022:45:230
13888998115,52cyclictest0-21swapper/022:45:220
13888998114,53cyclictest0-21swapper/020:20:120
1388899805,62cyclictest21527-21apt-get21:00:140
13888998054,18cyclictest14-21ksoftirqd/019:40:140
13888998052,17cyclictest14-21ksoftirqd/021:55:150
13888998015,57cyclictest0-21swapper/022:25:120
13888998012,59cyclictest0-21swapper/020:50:160
1388899797,56cyclictest16533-21apt-get19:15:270
1388899796,60cyclictest14551-21apt-get20:40:150
1388899796,58cyclictest556-21apt-get00:35:160
1388899796,58cyclictest556-21apt-get00:35:160
13888997953,17cyclictest14-21ksoftirqd/021:50:120
13888997917,50cyclictest0-21swapper/023:05:160
13888997917,50cyclictest0-21swapper/023:05:160
13888997915,56cyclictest0-21swapper/000:05:140
13888997914,56cyclictest0-21swapper/020:25:130
13888997913,60cyclictest0-21swapper/022:20:120
13888997913,52cyclictest0-21swapper/019:45:250
1388899786,57cyclictest23967-21apt-get00:10:140
13888997829,44cyclictest9699-21cron23:30:010
13888997826,44cyclictest250-21systemd-journal23:31:430
13888997816,54cyclictest0-21swapper/019:55:150
13888997815,55cyclictest0-21swapper/021:20:140
1388899777,55cyclictest13421-21apt-get23:40:140
1388899776,67cyclictest0-21swapper/023:10:340
1388899776,59cyclictest25709-21apt-get00:15:140
1388899776,55cyclictest31787-21apt-get23:00:130
1388899773,67cyclictest250-21systemd-journal22:36:300
13888997713,58cyclictest0-21swapper/000:25:180
1388899767,55cyclictest23516-21apt-get19:35:150
1388899766,59cyclictest24502-21apt-get22:40:150
13888997619,52cyclictest250-21systemd-journal20:16:030
13888997616,50cyclictest0-21swapper/022:15:130
13888997615,53cyclictest0-21swapper/000:20:140
13888997614,53cyclictest0-21swapper/023:55:140
13888997614,52cyclictest0-21swapper/019:30:140
13888997612,53cyclictest0-21swapper/020:35:130
13888997512,50cyclictest0-21swapper/020:30:140
13888997511,55cyclictest24879-21diskmemload21:10:130
1389699748,52cyclictest0-21swapper/123:35:141
1388899748,53cyclictest16904-21apt-get23:50:130
1388899747,56cyclictest1657-21apt-get21:35:130
1388899747,54cyclictest3468-21apt-get21:40:140
1388899747,54cyclictest2221-21apt-get20:05:210
1388899746,58cyclictest20443-21apt-get00:00:130
1388899745,62cyclictest0-21swapper/023:35:250
13888997419,44cyclictest0-21swapper/021:30:140
13888997414,51cyclictest0-21swapper/022:05:150
1388899737,54cyclictest10442-21apt-get22:00:170
1388899737,53cyclictest27095-21apt-get21:15:220
1388899737,51cyclictest13974-21apt-get19:10:140
1388899737,51cyclictest13974-21apt-get19:10:140
13888997315,53cyclictest20111-21cut19:25:160
13888997314,48cyclictest0-21swapper/020:45:160
13888997313,51cyclictest0-21swapper/021:05:140
1388899725,57cyclictest6389-21apt-get23:20:120
13888997214,49cyclictest0-21swapper/022:30:130
13888997213,47cyclictest0-21swapper/000:30:180
1389699717,34cyclictest0-21swapper/121:10:261
121462708,48sleep112147-21/usr/sbin/munin19:05:131
304302670,4chrt0-21swapper/121:24:591
18012630,7chrt0-21swapper/123:05:301
18012630,7chrt0-21swapper/123:05:291
318142620,5sleep10-21swapper/100:30:311
216892600,9sleep1251rcuc/119:30:011
13896996025,20cyclictest26-21ksoftirqd/121:56:161
13896995931,15cyclictest30604-21apt-get21:25:151
13896995931,15cyclictest30604-21apt-get21:25:151
1389699586,11cyclictest0-21swapper/119:20:131
1389699572,42cyclictest151rcu_preempt20:35:221
13896995722,21cyclictest26-21ksoftirqd/120:55:101
13896995631,19cyclictest26-21ksoftirqd/121:38:381
13896995618,10cyclictest503-21sshd23:50:401
1389699557,35cyclictest0-21swapper/120:10:151
1389699548,32cyclictest0-21swapper/121:15:231
13896995423,19cyclictest26-21ksoftirqd/120:15:121
282012530,6sleep1251rcuc/100:20:331
1389699539,39cyclictest0-21swapper/122:00:351
13896995318,22cyclictest26-21ksoftirqd/121:53:371
13896995316,24cyclictest26-21ksoftirqd/123:19:571
13896995315,12cyclictest26-21ksoftirqd/120:45:201
1389699525,42cyclictest0-21swapper/123:55:361
13896995222,26cyclictest0-21swapper/100:10:201
13896995218,22cyclictest26-21ksoftirqd/100:35:421
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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