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2026-07-23 - 05:39
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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 Jul 23, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
116819399321,29cyclictest1245001-21apt-get20:25:130
1168193993118,2cyclictest1250093-21apt-get20:30:130
1168195992925,2cyclictest0-21swapper/120:40:121
116820399271,22cyclictest1367380-21apt-get22:25:123
116819899270,24cyclictest1460876-21seq00:05:142
116820399261,21cyclictest1239905-21apt-get20:20:103
116819599261,21cyclictest1424898-21apt-get23:30:131
116819599260,23cyclictest1183653-21seq19:25:121
116819599260,23cyclictest1183653-21seq19:25:121
116820399251,21cyclictest1455755-21apt-get00:00:103
116820399251,20cyclictest1214098-21apt-get19:55:133
116820399250,23cyclictest1183366-21cron19:25:003
1168198992521,2cyclictest1265408-21apt-get20:45:092
1168198992520,3cyclictest1373689-21apt-get22:40:102
116819899251,21cyclictest1188719-21apt-get19:30:122
116819599252,20cyclictest1285665-21apt-get21:05:181
116819599251,22cyclictest1475971-21ntpq00:20:201
116819599251,21cyclictest1316572-21apt-get21:35:131
1168203992418,4cyclictest1189207-21grep19:30:163
116820399241,21cyclictest1486982-21cron00:35:003
116820399241,20cyclictest1445592-21apt-get23:50:123
116820399241,20cyclictest1229317-21apt-get20:10:123
116820399241,19cyclictest1342009-21apt-get22:00:123
116820399241,19cyclictest0-21swapper/321:10:123
116820399240,22cyclictest1260803-21irqcore20:40:163
1168198992420,3cyclictest1234836-21apt-get20:15:122
1168198992418,4cyclictest1372794-21sh22:35:002
116819899241,3cyclictest1414711-21apt-get23:20:132
116819899241,21cyclictest1275279-21sh20:55:002
116819899241,20cyclictest0-21swapper/220:35:132
1168195992420,2cyclictest1477091-21apt-get00:25:101
1168195992420,2cyclictest1326731-21apt-get21:45:111
1168195992419,3cyclictest1193789-21apt-get19:35:131
116819599241,20cyclictest1482183-21apt-get00:30:111
116819599241,20cyclictest1357190-21apt-get22:15:101
116819599241,20cyclictest0-21swapper/122:30:021
116819599240,23cyclictest1336918-21taskset21:55:121
116819599240,21cyclictest0-21swapper/121:00:111
1168193992419,3cyclictest1487255-21apt-get00:35:120
116819399241,2cyclictest1255209-21apt-get20:35:140
1168203992319,2cyclictest1383801-21apt-get22:50:133
1168203992319,2cyclictest1209039-21apt-get19:50:113
116820399231,20cyclictest0-21swapper/319:35:133
116820399231,19cyclictest1466958-21apt-get00:15:113
116820399231,19cyclictest0-21swapper/320:35:173
116820399231,19cyclictest0-21swapper/320:25:133
116820399230,20cyclictest0-21swapper/321:55:133
116820399230,20cyclictest0-21swapper/321:50:113
116820399230,20cyclictest0-21swapper/321:30:133
116820399230,19cyclictest0-21swapper/321:25:123
1168198992319,3cyclictest1404522-21apt-get23:10:122
1168198992319,2cyclictest1346813-21cron22:05:012
1168198992319,2cyclictest0-21swapper/221:55:132
1168198992319,2cyclictest0-21swapper/200:25:112
116819899231,2cyclictest1306387-21apt-get21:25:122
116819899231,19cyclictest0-21swapper/221:00:122
116819899231,19cyclictest0-21swapper/200:30:112
116819899230,3cyclictest1435202-21cron23:39:592
116819899230,21cyclictest1213810-21cron19:55:002
116819899230,20cyclictest0-21swapper/219:40:122
1168195992319,2cyclictest1311480-21apt-get21:30:141
1168195992319,2cyclictest1198885-21apt-get19:40:121
1168195992318,3cyclictest1301317-21apt-get21:20:131
1168195992317,5cyclictest1456257-21cut00:00:151
116819599231,2cyclictest1430413-21apt-get23:35:121
116819599231,2cyclictest1255209-21apt-get20:35:131
116819599231,2cyclictest1219162-21apt-get20:00:111
116819599231,21cyclictest1310500-21/usr/sbin/munin21:25:241
116819599230,20cyclictest0-21swapper/123:25:131
116819599230,20cyclictest0-21swapper/123:05:111
116819599230,20cyclictest0-21swapper/122:40:101
116819599230,20cyclictest0-21swapper/120:05:131
116819599230,20cyclictest0-21swapper/119:55:131
116819599230,20cyclictest0-21swapper/100:15:111
1168193992318,3cyclictest1209522-21ps19:50:160
116819399231,2cyclictest1280589-21apt-get21:00:110
116819399231,2cyclictest0-21swapper/000:15:100
116819399231,20cyclictest1454663-21ntpq23:55:220
116819399231,20cyclictest1409618-21apt-get23:15:150
116819399231,20cyclictest1296223-21apt-get21:15:130
116820399221,20cyclictest1454636-21ntpq23:55:233
116820399221,19cyclictest0-21swapper/321:40:123
116820399220,21cyclictest0-21swapper/323:20:003
116820399220,20cyclictest1301079-21unin-run21:20:003
116820399220,20cyclictest1289375-21sed21:05:243
116820399220,20cyclictest1188437-21sh19:30:003
116820399220,20cyclictest1188437-21sh19:30:003
116820399220,20cyclictest0-21swapper/320:30:133
116820399220,19cyclictest0-21swapper/300:25:113
1168198992220,1cyclictest0-21swapper/223:40:142
1168198992219,2cyclictest1223043-21ntpq20:00:202
1168198992218,2cyclictest1321662-21apt-get21:40:122
116819899220,3cyclictest1240401-21ps20:20:142
116819899220,2cyclictest0-21swapper/219:45:142
116819899220,20cyclictest1315919-21/usr/sbin/munin21:30:282
116819899220,20cyclictest0-21swapper/220:30:122
116819899220,20cyclictest0-21swapper/220:10:132
1168195992219,2cyclictest0-21swapper/121:10:021
1168195992219,1cyclictest0-21swapper/122:20:121
116819599221,2cyclictest0-21swapper/120:10:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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