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2026-03-28 - 10:23
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack3slot2.osadl.org (updated Sat Mar 28, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
150740022520,2sleep01507398-21switchtime23:36:190
147364922520,3chrt1473637-21ntpq21:35:500
146775122510,3chrt1467749-21diskstats21:15:170
152296322470,4chrt1522933-21/usr/sbin/munin00:35:050
144439022380,3chrt1444391-21ntpq19:50:490
146756722210,2sleep01467569-21sed21:15:070
143271299210180,18cyclictest1498184-21kworker/u2:100:00:170
151597922030,4chrt1515974-21awk00:10:000
145639322020,2sleep01456392-21true20:35:030
143696722020,2sleep01436969-21grep19:25:060
143271299200169,19cyclictest1459203-21kworker/u2:121:00:040
143271299195165,19cyclictest1430383-21kworker/u2:019:10:030
143271299194163,19cyclictest1523432-21kworker/u2:000:40:010
143271299191161,18cyclictest1498184-21kworker/u2:100:11:170
143271299191160,19cyclictest1498184-21kworker/u2:123:45:040
143271299190161,18cyclictest1518448-21kworker/u2:200:20:010
143271299190159,19cyclictest1498184-21kworker/u2:123:20:060
143271299189159,18cyclictest1498184-21kworker/u2:123:30:030
143271299189158,19cyclictest1493052-21kworker/u2:023:00:060
143271299188156,20cyclictest1474520-21kworker/u2:222:05:060
143271299187158,18cyclictest1498184-21kworker/u2:123:31:170
146478221860,2sleep01464783-21cat21:05:070
145938521860,2sleep01459383-21sshd20:45:150
143271299186155,19cyclictest1518448-21kworker/u2:200:30:060
143271299186155,19cyclictest1498184-21kworker/u2:123:50:030
143271299184154,19cyclictest1439683-21kworker/u2:220:30:050
143271299183155,17cyclictest1439683-21kworker/u2:220:40:050
143271299183153,19cyclictest1430383-21kworker/u2:019:30:170
143271299183152,19cyclictest1439683-21kworker/u2:220:40:370
143271299182153,18cyclictest1498184-21kworker/u2:123:55:070
143271299182151,19cyclictest1439683-21kworker/u2:220:25:060
148609521810,2sleep01486096-21/usr/sbin/munin22:20:320
143271299181152,19cyclictest1430383-21kworker/u2:019:16:180
143271299181149,20cyclictest1441105-21kworker/u2:119:41:190
143271299180152,18cyclictest1498184-21kworker/u2:123:56:190
143271299180150,18cyclictest1493052-21kworker/u2:023:05:060
143271299180149,19cyclictest1494488-21kworker/u2:122:51:190
143271299178147,19cyclictest1474520-21kworker/u2:222:30:070
143271299176147,18cyclictest1467533-21kworker/u2:121:31:160
143271299176146,19cyclictest1439683-21kworker/u2:220:05:060
143271299176144,20cyclictest1439683-21kworker/u2:220:15:060
143271299174144,18cyclictest1498184-21kworker/u2:123:15:040
143702721720,4chrt1437025-21acpi19:25:100
143271299172144,17cyclictest1474520-21kworker/u2:222:50:040
143271299172142,19cyclictest1439683-21kworker/u2:220:20:040
143271299171141,19cyclictest1439683-21kworker/u2:220:00:040
147781121690,4chrt1477808-21ntpq21:50:470
143271299169140,18cyclictest1463372-21kworker/u2:021:10:050
143271299169139,18cyclictest1439683-21kworker/u2:219:40:030
144943921680,4chrt1449438-21systemd-run20:10:040
144332321680,4chrt1443325-21sed19:46:200
143271299168137,19cyclictest1474520-21kworker/u2:222:35:060
143271299167137,17cyclictest1518448-21kworker/u2:200:21:150
143271299166138,18cyclictest1498184-21kworker/u2:123:06:190
143271299166136,18cyclictest1498184-21kworker/u2:123:20:370
147042221640,3chrt1470423-21latency_hist21:25:070
143271299163134,18cyclictest1474520-21kworker/u2:222:20:050
143271299163134,17cyclictest1474520-21kworker/u2:222:40:510
143293121620,3chrt1432932-21df19:10:160
143271299161130,19cyclictest1474520-21kworker/u2:222:05:460
143271299160132,17cyclictest1474520-21kworker/u2:222:00:040
143271299160130,18cyclictest1474520-21kworker/u2:222:15:050
143271299158128,18cyclictest1467533-21kworker/u2:121:41:140
143271299157130,17cyclictest1474520-21kworker/u2:222:40:040
143271299154123,19cyclictest1459203-21kworker/u2:120:50:130
143271299153123,18cyclictest1474520-21kworker/u2:221:46:170
143271299145114,19cyclictest1467533-21kworker/u2:121:25:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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