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2026-04-23 - 08:15
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackeslot4.osadl.org (updated Thu Apr 23, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1300650994033,2cyclictest1499009-21kworker/3:1+pm00:34:023
1300640993028,1cyclictest1590256-21kworker/0:1+pm00:34:020
130065099282,22cyclictest1479033-21apt-get22:05:113
130065099272,21cyclictest1463921-21apt-get21:50:123
130065099262,3cyclictest1362370-21apt-get20:10:123
1300650992618,7cyclictest1351544-21cron20:00:003
1300650992618,3cyclictest0-21swapper/321:20:103
130065099261,21cyclictest1570059-21apt-get23:35:133
130065099261,21cyclictest0-21swapper/323:10:103
130065099261,20cyclictest0-21swapper/320:05:123
1300650992519,3cyclictest1428123-21apt-get21:15:133
130065099251,21cyclictest0-21swapper/323:25:113
130065099251,20cyclictest0-21swapper/323:45:123
130065099251,20cyclictest0-21swapper/322:15:133
130065099251,20cyclictest0-21swapper/300:15:123
130065099250,23cyclictest1423560-21sed21:10:163
1300646992522,2cyclictest1615725-21sh00:19:592
130064699251,23cyclictest1315728-21cron19:25:002
130064699251,21cyclictest1519534-21apt-get22:45:122
130064699251,20cyclictest1590717-21apt-get23:55:112
1300640992521,2cyclictest1316009-21apt-get19:25:120
130065099241,3cyclictest1535135-21tr23:00:163
130065099241,3cyclictest1309819-21ntpq19:15:193
130065099241,21cyclictest1393231-21cut20:40:163
130065099240,21cyclictest1310967-21chrt19:20:103
130065099240,20cyclictest0-21swapper/323:20:123
130065099240,20cyclictest0-21swapper/322:35:123
130065099240,20cyclictest0-21swapper/320:00:133
130065099240,20cyclictest0-21swapper/319:35:123
130065099240,20cyclictest0-21swapper/300:25:113
1300646992420,2cyclictest1549876-21apt-get23:15:122
130064699241,20cyclictest1514461-21apt-get22:40:132
130064699241,20cyclictest0-21swapper/220:55:122
130064699241,20cyclictest0-21swapper/220:35:122
130064299242,21cyclictest301rcuc/119:55:001
130064299241,3cyclictest1630883-21munin-run00:35:001
130064299241,3cyclictest1544821-21apt-get23:10:111
130064299241,21cyclictest1418008-21apt-get21:05:131
1300640992420,2cyclictest1377582-21apt-get20:25:110
1300650992320,1cyclictest0-21swapper/323:15:123
1300650992319,2cyclictest1458868-21apt-get21:45:123
1300650992319,2cyclictest1407876-21apt-get20:55:123
1300650992319,2cyclictest0-21swapper/322:55:123
1300650992319,2cyclictest0-21swapper/322:25:133
1300650992318,1cyclictest0-21swapper/322:30:123
1300650992316,3cyclictest0-21swapper/321:55:113
130065099231,2cyclictest1514947-21grep22:40:173
130065099231,2cyclictest0-21swapper/323:55:103
130065099231,2cyclictest0-21swapper/321:40:123
130065099231,20cyclictest1341401-21apt-config19:50:013
130065099231,20cyclictest0-21swapper/322:15:003
130065099230,21cyclictest1321564-21tr19:30:153
130065099230,20cyclictest1473982-21apt-get22:00:133
1300646992319,3cyclictest1468651-21idleruntime-cro21:55:002
1300646992319,2cyclictest1392741-21apt-get20:40:122
1300646992318,4cyclictest1605598-21apt00:10:002
130064699231,2cyclictest1448761-21apt-get21:35:112
130064699231,2cyclictest1448761-21apt-get21:35:102
130064699231,2cyclictest1346774-21apt-get19:55:132
130064299231,2cyclictest1615987-21apt-get00:20:121
130064299231,21cyclictest1554946-21apt-get23:20:131
130064299231,20cyclictest1575560-21apt-get23:40:121
130064299230,3cyclictest1330941-21turbostat19:40:001
1300640992320,2cyclictest1595758-21apt-get00:00:130
130064099230,20cyclictest0-21swapper/022:30:110
1300650992219,1cyclictest1585689-21apt-get23:50:133
1300650992218,2cyclictest0-21swapper/320:20:113
130065099221,2cyclictest64-21kcompactd000:11:523
130065099221,2cyclictest0-21swapper/323:40:213
130065099221,2cyclictest0-21swapper/300:05:133
130065099221,20cyclictest0-21swapper/321:31:403
130065099220,3cyclictest1494657-21ps22:20:153
130065099220,2cyclictest0-21swapper/320:30:123
130065099220,20cyclictest1333409-21ps19:40:183
130065099220,20cyclictest0-21swapper/320:25:113
1300646992219,2cyclictest1479033-21apt-get22:05:112
1300646992219,2cyclictest1336247-21apt-get19:45:122
1300646992219,2cyclictest0-21swapper/200:25:112
1300646992219,1cyclictest1559997-21apt-get23:25:112
1300646992218,2cyclictest1544543-21cron23:10:002
130064699220,2cyclictest1505228-21runrttasks22:30:172
130064699220,2cyclictest1421943-21ntpq21:05:222
130064699220,21cyclictest1514176-21cron22:40:002
130064699220,20cyclictest1590444-21awk23:55:002
130064699220,20cyclictest1443746-21ps21:30:162
130064699220,19cyclictest0-21swapper/219:30:122
130064699220,19cyclictest0-21swapper/219:25:162
1300642992220,1cyclictest1305910-21apt-get19:15:111
1300642992219,1cyclictest1585408-21cron23:49:591
1300642992218,2cyclictest1506538-21kthreadcore22:30:171
130064299221,20cyclictest1468929-21apt-get21:55:111
130064299221,20cyclictest0-21swapper/100:35:121
130064299220,21cyclictest0-21swapper/122:40:141
130064099221,1cyclictest0-21swapper/021:15:130
130064099220,2cyclictest1411751-21ntpq20:55:210
130064099220,19cyclictest64-21kcompactd020:05:070
130064099220,19cyclictest0-21swapper/022:50:120
130064099220,19cyclictest0-21swapper/022:35:140
1300650992119,1cyclictest0-21swapper/300:40:003
1300650992118,1cyclictest0-21swapper/321:35:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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