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2026-06-08 - 04:42
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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 Mon Jun 08, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1188378993330,2cyclictest1255288-21irqcore20:15:172
1188378992812,5cyclictest0-21swapper/220:45:002
118837899262,3cyclictest1434038-21apt-get23:10:122
118837899262,22cyclictest1341354-21apt-get21:40:132
118837899261,5cyclictest1397494-21dpkg22:35:012
118837899261,4cyclictest1484967-21tr00:00:202
118837899261,4cyclictest1484967-21tr00:00:192
118837899261,23cyclictest1408044-21cron22:45:002
118837899261,21cyclictest1321002-21apt-get21:20:112
118838199251,21cyclictest1249730-21apt-get20:10:113
118838199251,20cyclictest1428984-21apt-get23:05:133
118837899252,3cyclictest1361675-21apt-get22:00:122
118837899251,3cyclictest1493448-21ntpq00:05:212
118837899251,22cyclictest1249454-21cron20:10:012
118837899251,22cyclictest0-21swapper/221:45:122
118837899251,21cyclictest1474382-21apt-get23:50:112
118837899251,21cyclictest0-21swapper/222:30:012
118837899250,22cyclictest1381756-21basename22:20:002
1188381992420,2cyclictest1254785-21apt-get20:15:113
1188378992421,1cyclictest1386819-21cron22:25:002
1188378992420,3cyclictest1239622-21apt-get20:00:122
1188378992419,2cyclictest1336743-21irqcore21:35:162
118837899241,3cyclictest1371838-21apt-get22:10:132
118837899241,21cyclictest1479436-21apt-get23:55:122
118837899241,21cyclictest1310907-21apt-get21:10:112
118837899241,21cyclictest1269941-21apt-get20:30:122
118837899241,21cyclictest0-21swapper/200:25:132
118837899240,23cyclictest1235058-21irqcore19:55:162
118837899240,22cyclictest1275503-21irqcore20:35:172
1188374992421,2cyclictest1392614-21apt-get22:30:131
1188374992420,2cyclictest1489551-21apt-get00:05:121
118837499241,3cyclictest1243548-21ntpq20:00:251
118837499241,3cyclictest1234566-21apt-get19:55:121
118837499240,1cyclictest191rcu_preempt00:20:001
118837199242,2cyclictest1449180-21apt-get23:25:110
1188381992319,3cyclictest1274742-21cron20:34:593
118838199231,21cyclictest1514870-21apt-get00:30:113
118838199230,3cyclictest1479439-21taskset23:55:123
118838199230,20cyclictest1275020-21apt-get20:35:133
118838199230,20cyclictest0-21swapper/319:35:043
1188378992321,1cyclictest391rcuc/222:55:132
1188378992319,2cyclictest0-21swapper/220:45:122
1188378992318,3cyclictest1234292-21cron19:55:012
118837899231,3cyclictest0-21swapper/220:10:162
118837899231,2cyclictest0-21swapper/221:15:132
118837899231,2cyclictest0-21swapper/219:25:142
118837899231,21cyclictest0-21swapper/219:10:112
118837899231,20cyclictest0-21swapper/219:20:122
118837899231,20cyclictest0-21swapper/219:15:112
118837899230,3cyclictest1499414-21cron00:15:012
118837899230,21cyclictest1356336-21awk21:55:002
118837899230,21cyclictest0-21swapper/200:35:122
118837499233,2cyclictest1283925-21runrttasks20:40:211
1188374992320,2cyclictest1504765-21apt-get00:20:121
1188374992319,2cyclictest1361675-21apt-get22:00:121
118837499231,2cyclictest1454233-21apt-get23:30:121
118837499231,2cyclictest1264864-21apt-get20:25:131
118837499231,21cyclictest1459287-21apt-get23:35:111
118837499231,20cyclictest1315955-21apt-get21:15:131
118837499231,19cyclictest0-21swapper/120:10:121
1188371992320,2cyclictest1346444-21apt-get21:45:120
118837199231,3cyclictest3777322-21systemd-journal19:15:000
118837199231,2cyclictest1408322-21apt-get22:45:140
1188381992219,2cyclictest1387097-21apt-get22:25:133
1188381992219,2cyclictest1366748-21apt-get22:05:133
1188381992219,2cyclictest1284488-21fwupd20:40:413
1188381992218,2cyclictest0-21swapper/323:30:123
1188381992217,4cyclictest3777322-21systemd-journal23:04:593
118838199221,20cyclictest1208799-21apt-get19:30:113
118838199221,19cyclictest0-21swapper/320:55:123
118838199220,3cyclictest1474872-21sort23:50:163
118838199220,3cyclictest1239625-21taskset20:00:113
1188378992220,1cyclictest1370743-21taskset22:05:232
1188378992219,2cyclictest1305187-21unin-run21:05:002
1188378992219,2cyclictest0-21swapper/223:30:112
1188378992219,2cyclictest0-21swapper/220:25:142
1188378992218,3cyclictest0-21swapper/222:50:012
1188378992218,2cyclictest0-21swapper/223:25:112
1188378992217,3cyclictest1295766-21ps20:55:162
1188378992217,3cyclictest0-21swapper/223:40:122
118837899221,2cyclictest0-21swapper/220:50:122
118837899221,2cyclictest0-21swapper/219:30:112
118837899221,20cyclictest0-21swapper/223:00:122
118837899221,20cyclictest0-21swapper/221:55:132
118837899221,20cyclictest0-21swapper/221:05:112
118837899221,20cyclictest0-21swapper/219:41:312
118837899221,19cyclictest0-21swapper/222:35:122
118837899220,21cyclictest1463407-21awk23:35:232
118837899220,20cyclictest0-21swapper/223:15:112
1188374992219,2cyclictest0-21swapper/100:00:151
1188374992219,2cyclictest0-21swapper/100:00:141
1188374992219,1cyclictest1244677-21apt-get20:05:121
1188374992218,3cyclictest1346935-21irqcore21:45:161
1188374992216,2cyclictest191rcu_preempt21:30:251
1188374992216,2cyclictest191rcu_preempt21:30:251
118837499221,2cyclictest0-21swapper/120:55:121
118837499221,1cyclictest0-21swapper/119:15:121
118837499220,2cyclictest14083252sleep122:45:131
118837499220,21cyclictest1218631-21cron19:40:001
118837499220,1cyclictest1203746-21apt-get19:25:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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