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2026-05-24 - 15:21
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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 Sun May 24, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
128289399310,2cyclictest1420364-21basename21:25:002
128289399300,21cyclictest1456914-21cut22:00:172
128289399291,2cyclictest1360052-21ps20:25:162
128289399281,24cyclictest0-21swapper/200:25:122
128289899271,24cyclictest1416044-21irqcore21:20:153
128289399270,26cyclictest64-21kcompactd021:26:192
128289399270,19cyclictest0-21swapper/221:45:152
128289899262,20cyclictest1405459-21apt-get21:10:133
128289899261,21cyclictest1506954-21apt-get22:50:113
128289399261,22cyclictest0-21swapper/200:15:132
128288499261,5cyclictest3777322-21systemd-journal22:39:590
128289899252,3cyclictest1486737-21apt-get22:30:113
128289899252,20cyclictest1461487-21apt-get22:05:133
1282893992519,5cyclictest0-21swapper/223:47:082
1282893992519,5cyclictest0-21swapper/220:50:122
128289399251,21cyclictest1405960-21grep21:10:172
128289399250,22cyclictest1495657-21ntpq22:35:192
128289399250,1cyclictest0-21swapper/222:10:122
1282884992521,2cyclictest1318648-21apt-get19:45:140
1282884992520,3cyclictest1583342-21apt-get00:05:120
128288499251,21cyclictest1415560-21apt-get21:20:110
1282898992420,2cyclictest1293330-21apt-get19:20:113
1282898992419,3cyclictest0-21swapper/321:05:123
1282898992418,3cyclictest1552518-21apt-get23:35:123
128289899241,20cyclictest1410503-21apt-get21:15:123
128289899241,20cyclictest0-21swapper/321:35:113
128289899240,20cyclictest0-21swapper/300:35:133
1282893992418,5cyclictest0-21swapper/222:55:222
1282893992418,4cyclictest1359276-21cron20:25:002
1282893992417,6cyclictest1486465-21sh22:30:002
1282888992420,2cyclictest1435824-21apt-get21:40:121
1282888992420,2cyclictest1400425-21apt-get21:05:131
1282888992420,2cyclictest1339289-21apt-get20:05:111
128288899241,21cyclictest1348291-21ntpq20:10:201
128288899241,21cyclictest0-21swapper/119:15:131
128288899240,22cyclictest1516788-21idleruntime-cro23:00:001
1282884992419,3cyclictest3777322-21systemd-journal19:54:590
1282884992419,3cyclictest1613909-21cron00:35:010
1282884992419,3cyclictest1577560-21cron00:00:000
128288499241,3cyclictest1522118-21apt-get23:05:110
128288499241,21cyclictest3777322-21systemd-journal19:39:590
128288499241,21cyclictest1440858-21apt-get21:45:160
128288499241,21cyclictest1303462-21apt-get19:30:120
128288499240,22cyclictest1455997-21latency_hist22:00:010
1282898992319,2cyclictest1384814-21apt-get20:50:123
128289899231,21cyclictest0-21swapper/300:30:123
128289399233,11cyclictest1308255-21awk19:34:592
1282893992319,3cyclictest0-21swapper/222:54:592
1282893992319,2cyclictest0-21swapper/200:20:132
1282893992318,3cyclictest1374421-21cron20:40:002
128289399231,2cyclictest1379759-21apt-get20:45:122
128289399231,2cyclictest1308515-21apt-get19:35:122
128289399231,2cyclictest0-21swapper/223:35:132
128289399231,20cyclictest0-21swapper/222:40:122
128289399230,21cyclictest1477577-21ps22:20:172
128289399230,20cyclictest0-21swapper/221:55:122
128289399230,20cyclictest0-21swapper/200:10:132
128288899232,20cyclictest1354457-21apt-get20:20:131
128288899231,2cyclictest1-21systemd23:34:591
128288899231,21cyclictest0-21swapper/100:05:121
1282884992320,2cyclictest3777322-21systemd-journal22:09:590
1282884992319,2cyclictest1365079-21ps20:30:160
1282884992319,2cyclictest1283124-21apt-get19:10:110
1282884992319,2cyclictest0-21swapper/020:15:000
128288499231,2cyclictest1604031-21apt-get00:25:130
128288499231,20cyclictest1567707-21apt-get23:50:130
128288499231,20cyclictest1517063-21apt-get23:00:120
128288499231,20cyclictest1445885-21apt-get21:50:110
128288499230,3cyclictest1385305-21sort20:50:160
128288499230,21cyclictest1395870-21grep21:00:150
128288499230,21cyclictest1359556-21apt-get20:25:120
1282898992219,2cyclictest1573254-21ps23:55:173
1282898992219,2cyclictest0-21swapper/319:17:493
128289899221,1cyclictest0-21swapper/322:00:133
128289899220,2cyclictest0-21swapper/322:25:133
128289899220,21cyclictest1501626-21basename22:45:003
128289899220,20cyclictest0-21swapper/320:10:113
128289899220,19cyclictest0-21swapper/321:45:153
1282893992219,2cyclictest0-21swapper/223:00:122
1282893992219,2cyclictest0-21swapper/220:40:122
1282893992219,2cyclictest0-21swapper/220:40:112
1282893992219,1cyclictest0-21swapper/219:10:112
1282893992218,2cyclictest1440588-21latency_hist21:45:012
1282893992217,4cyclictest64-21kcompactd020:07:162
1282893992217,3cyclictest1547142-21awk23:30:002
128289399220,19cyclictest0-21swapper/221:00:102
128289399220,19cyclictest0-21swapper/220:30:112
1282888992219,2cyclictest1369374-21idleruntime-cro20:35:011
1282888992219,2cyclictest0-21swapper/122:25:131
1282888992218,2cyclictest1572758-21apt-get23:55:121
1282888992217,3cyclictest1349400-21apt-get20:15:141
128288899221,20cyclictest0-21swapper/119:35:121
128288899220,21cyclictest0-21swapper/121:20:111
128288899220,20cyclictest1313570-21apt-get19:40:131
1282884992220,1cyclictest1374704-21apt-get20:40:120
1282884992220,1cyclictest1374704-21apt-get20:40:110
1282884992219,2cyclictest64-21kcompactd020:20:430
1282884992219,2cyclictest1558098-21tr23:40:170
128288499221,20cyclictest0-21swapper/000:35:140
128288499220,2cyclictest3777322-21systemd-journal21:35:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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