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2026-04-11 - 22:39
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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 Sat Apr 11, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1021208993835,2cyclictest1185033-21fwupd09:47:032
102120699290,2cyclictest191rcu_preempt12:00:141
102121299272,21cyclictest1307901-21apt-get11:50:133
102121299262,20cyclictest1262224-21apt-get11:05:133
102120899261,21cyclictest1097598-21apt-get08:25:112
102120699261,23cyclictest1051808-21cron07:40:001
102120699261,22cyclictest1195753-21apt-get10:00:121
102120699261,22cyclictest1082435-21apt-get08:10:121
102120699260,5cyclictest1031601-21sh07:19:591
1021212992521,3cyclictest1051806-21cron07:40:003
102121299251,21cyclictest1185590-21apt-get09:50:133
102121299251,20cyclictest1067253-21apt-get07:55:133
102120699251,22cyclictest1143697-21apt-get09:10:111
1021212992420,2cyclictest1154281-21apt-get09:20:133
1021212992419,3cyclictest1287645-21apt-get11:30:143
102121299241,20cyclictest1072307-21apt-get08:00:123
102121299241,20cyclictest0-21swapper/311:45:133
102121299240,23cyclictest1180020-21latency_hist09:45:003
102121299240,22cyclictest1169236-21apt-get09:35:003
102121299240,22cyclictest1169236-21apt-get09:35:003
102121299240,20cyclictest0-21swapper/310:00:133
102120899241,21cyclictest1128486-21apt-get08:55:122
1021206992420,3cyclictest1302806-21apt-get11:45:121
1021206992419,3cyclictest1123494-21ps08:50:171
102120699241,2cyclictest1159334-21apt-get09:25:121
102120699241,21cyclictest0-21swapper/110:31:111
102120699241,20cyclictest0-21swapper/111:00:151
102120699241,20cyclictest0-21swapper/110:45:121
102120699241,20cyclictest0-21swapper/109:00:121
102120699241,20cyclictest0-21swapper/107:50:141
102120699240,4cyclictest1237275-21irqcore10:40:161
1021201992420,2cyclictest1036931-21apt-get07:25:130
1021212992319,2cyclictest1138617-21apt-get09:05:123
1021212992318,3cyclictest1226597-21apt-get10:30:133
102121299231,2cyclictest1046781-21ls07:35:003
102121299231,2cyclictest0-21swapper/311:10:103
102121299231,20cyclictest1133280-21munin-run09:00:003
102121299230,20cyclictest0-21swapper/312:20:143
102121299230,20cyclictest0-21swapper/311:00:163
102121299230,20cyclictest0-21swapper/310:50:123
102121299230,20cyclictest0-21swapper/310:35:123
102121299230,20cyclictest0-21swapper/309:15:123
102121299230,20cyclictest0-21swapper/309:10:113
102121299230,20cyclictest0-21swapper/308:50:133
1021208992320,2cyclictest1344579-21apt-get12:25:112
102120899231,20cyclictest1062222-21apt-get07:50:142
102120899230,21cyclictest1031600-21sh07:19:592
1021206992320,2cyclictest1087489-21apt-get08:15:131
1021206992320,1cyclictest1231668-21apt-get10:35:111
1021206992318,3cyclictest0-21swapper/107:55:131
102120699231,2cyclictest0-21swapper/110:14:311
102120699231,2cyclictest0-21swapper/109:20:141
102120699230,21cyclictest1106646-21ntpq08:30:221
102120699230,20cyclictest1297734-21apt-get11:40:101
1021201992320,2cyclictest1334046-21apt-get12:15:120
1021201992319,3cyclictest1282574-21apt-get11:25:120
1021201992319,2cyclictest1021739-21apt-get07:10:120
102120199231,2cyclictest1257181-21apt-get11:00:150
102120199231,21cyclictest1328568-21apt-get12:10:130
102120199231,21cyclictest1252107-21apt-get10:55:120
102120199231,20cyclictest1180493-21apt-get09:45:120
1021212992219,2cyclictest0-21swapper/311:55:223
1021212992218,2cyclictest1318456-21apt-get12:00:123
1021212992218,2cyclictest1206338-21apt-get10:10:123
1021212992218,2cyclictest0-21swapper/307:15:123
102121299221,1cyclictest1211409-21apt-get10:15:133
102121299220,2cyclictest1201307-21ps10:05:153
102121299220,2cyclictest1106645-21sshd08:30:223
102121299220,21cyclictest1277206-21cron11:20:003
102121299220,20cyclictest1277979-21ps11:20:173
102121299220,20cyclictest1121950-21/usr/sbin/munin08:45:233
102121299220,20cyclictest0-21swapper/309:55:133
102121299220,20cyclictest0-21swapper/309:45:123
102121299220,19cyclictest0-21swapper/312:25:113
102120899228,7cyclictest1221269-21munin-run10:25:002
1021208992219,2cyclictest64-21kcompactd010:14:312
1021208992219,1cyclictest1148777-21apt-get09:15:122
102120899220,20cyclictest0-21swapper/210:00:122
102120899220,1cyclictest1318906-21/usr/sbin/munin12:00:142
102120899220,19cyclictest0-21swapper/210:40:112
1021206992219,2cyclictest0-21swapper/112:15:121
1021206992219,2cyclictest0-21swapper/108:55:121
1021206992219,1cyclictest0-21swapper/111:15:111
1021206992218,2cyclictest0-21swapper/111:35:121
1021206992217,3cyclictest1185331-21munin-run09:50:011
102120699221,2cyclictest64-21kcompactd012:20:511
102120699221,20cyclictest0-21swapper/108:20:141
102120699221,1cyclictest0-21swapper/111:55:111
102120699220,3cyclictest64-21kcompactd011:14:111
102120699220,2cyclictest1179799-21apt-get09:45:001
102120699220,20cyclictest64-21kcompactd011:05:041
102120699220,20cyclictest0-21swapper/107:10:121
102120199221,19cyclictest261-21systemd-journal07:25:000
102120199220,20cyclictest1026822-21runrttasks07:15:130
1021212992119,1cyclictest1091380-21ntpq08:15:203
1021212992119,1cyclictest0-21swapper/310:55:123
1021212992119,1cyclictest0-21swapper/310:20:123
1021212992119,1cyclictest0-21swapper/307:25:133
1021212992118,2cyclictest0-21swapper/312:10:123
1021212992118,1cyclictest0-21swapper/307:45:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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