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2025-12-07 - 04:54
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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 Sun Dec 07, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1057168993022,7cyclictest1407441-21ls00:10:002
105716899300,28cyclictest0-21swapper/221:10:052
1057168992917,10cyclictest1357622-21ssh23:30:082
1057168992814,5cyclictest0-21swapper/222:46:292
105716899281,24cyclictest0-21swapper/221:45:072
105716899280,26cyclictest1388283-21ssh23:53:442
105716899280,26cyclictest1313319-21ssh22:55:072
105716899280,25cyclictest0-21swapper/200:30:052
105716599280,3cyclictest0-21swapper/123:06:091
1057168992722,4cyclictest1268682-21cron22:20:012
105716899272,21cyclictest1325944-21apt-get23:05:112
105716899272,21cyclictest1212123-21apt-get21:35:132
105716899272,21cyclictest1212123-21apt-get21:35:122
1057168992717,8cyclictest1391272-21ps23:55:172
105716899271,23cyclictest1128772-21apt-get20:20:022
105716899270,8cyclictest1180033-21diskmemload23:42:232
105716899270,26cyclictest1211583-21ssh21:34:162
105716899270,26cyclictest0-21swapper/200:21:262
105716899270,25cyclictest0-21swapper/222:50:052
105716899270,25cyclictest0-21swapper/222:00:082
105716899270,25cyclictest0-21swapper/221:20:092
105717399262,20cyclictest1269011-21apt-get22:20:133
105717399261,21cyclictest1149813-21apt-get20:40:153
1057168992620,3cyclictest1175193-21apt-get21:05:142
1057168992618,7cyclictest1236872-21ssh21:53:442
1057168992616,9cyclictest1186564-21ssh21:15:072
105716899261,5cyclictest0-21swapper/222:24:392
105716899261,3cyclictest1144429-21awk20:34:592
105716899261,24cyclictest0-21swapper/223:25:322
105716899261,24cyclictest0-21swapper/222:11:042
105716899261,22cyclictest0-21swapper/200:00:042
105716899261,22cyclictest0-21swapper/200:00:042
105716899261,21cyclictest1332204-21apt-get23:10:132
105716899260,7cyclictest1444322-21ssh00:37:202
105716899260,25cyclictest1419663-21ssh00:18:452
105716899260,25cyclictest1381175-21ssh23:46:032
105716899260,25cyclictest1223105-21ssh21:41:042
105716899260,25cyclictest0-21swapper/200:28:142
105716899260,24cyclictest1349888-21ssh23:22:232
105716899260,24cyclictest1204467-21ssh21:26:282
105716899260,14cyclictest1112191-21grep20:00:202
1057165992618,2cyclictest191rcu_preempt23:45:081
105716599261,21cyclictest1420379-21apt-get00:20:121
1057173992521,3cyclictest1344447-21kworker/3:1-mm_percpu_wq00:15:323
105717399251,21cyclictest1287840-21sort22:35:113
1057168992520,2cyclictest1287775-21apt-get22:35:112
1057168992519,5cyclictest0-21swapper/223:35:062
1057168992519,4cyclictest1119363-21grep20:10:202
105716899251,5cyclictest0-21swapper/223:15:362
1057168992515,8cyclictest1-21systemd20:00:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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