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2026-06-30 - 18:37
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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 50 highest latencies:
System rackeslot4.osadl.org (updated Tue Jun 30, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1128373993028,1cyclictest1367911-21kworker/0:2+pm11:57:560
112837399300,2cyclictest191rcu_preempt08:06:180
112838399280,1cyclictest64-21kcompactd007:10:233
1128378992823,3cyclictest1357935-21cron10:55:001
112837899281,6cyclictest1199312-21/usr/sbin/munin08:15:251
112837899280,25cyclictest1153961-21taskset07:35:131
112837899272,21cyclictest1291552-21apt-get09:50:131
112837899271,6cyclictest1454792-21taskset12:30:131
112837899271,6cyclictest1230868-21ps08:50:171
112837899271,22cyclictest1133694-21apt-get07:15:121
112837399270,20cyclictest191rcu_preempt10:20:010
112838399261,23cyclictest1159507-21ps07:40:163
1128378992620,3cyclictest1240490-21apt-get09:00:111
112837899261,21cyclictest1322344-21apt-get10:20:121
112837899261,21cyclictest1311834-21apt-get10:10:121
112837899261,21cyclictest1205058-21apt-get08:25:111
112837899261,21cyclictest0-21swapper/107:20:121
112838399252,21cyclictest1342657-21apt-get10:40:123
112838399252,21cyclictest1189469-21apt-get08:10:093
112838099252,21cyclictest1266258-21apt-get09:25:112
112837899252,3cyclictest1399071-21apt-get11:35:121
112837899252,2cyclictest1429421-21apt-get12:05:111
1128378992520,3cyclictest1449720-21apt-get12:25:121
1128378992520,3cyclictest1444651-21apt-get12:20:121
1128378992517,6cyclictest1419008-21ls11:55:001
112837899251,21cyclictest1129079-21grep07:10:151
112837899251,21cyclictest0-21swapper/111:25:121
112837899251,20cyclictest1327427-21apt-get10:25:121
1128373992520,3cyclictest1363273-21apt-get11:00:120
112837399251,20cyclictest1424353-21apt-get12:00:110
1128383992421,2cyclictest1179318-21apt-get08:00:123
1128383992420,2cyclictest1296630-21apt-get09:55:143
1128383992420,2cyclictest1235440-21apt-get08:55:133
112838399241,22cyclictest1271334-21apt-get09:30:113
112838399241,20cyclictest0-21swapper/311:35:123
112838399241,20cyclictest0-21swapper/309:15:133
112838399240,2cyclictest1302186-21ps10:00:153
112838099243,19cyclictest1250467-21grep09:10:012
112838099243,19cyclictest1250467-21grep09:10:002
1128380992420,3cyclictest1199983-21apt-get08:20:122
112838099241,20cyclictest1159012-21apt-get07:40:122
1128378992420,2cyclictest1459856-21apt-get12:35:121
1128378992420,2cyclictest1174262-21apt-get07:55:111
1128378992419,3cyclictest1373425-21apt-get11:10:121
1128378992419,3cyclictest1235440-21apt-get08:55:121
1128378992419,3cyclictest1159012-21apt-get07:40:111
112837899241,3cyclictest1363760-21sed11:00:171
112837899241,3cyclictest1173082-21ntpq07:50:211
112837899241,2cyclictest1306780-21apt-get10:05:121
112837899241,22cyclictest1189190-21cron08:10:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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