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2026-04-14 - 08:34
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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 highest latencies:
System rack3slot2.osadl.org (updated Tue Apr 14, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
142993622580,3chrt1429925-21ntpq21:41:140
138814322110,2sleep01388144-21ld19:11:140
138748899208175,23cyclictest1472321-21awk00:15:210
141282722020,3sleep01412828-21awk20:40:220
139385121990,3sleep01393852-21plymouth19:31:190
142319521930,3chrt1422428-21/usr/sbin/munin21:16:430
140505121830,2sleep01405049-21threads20:11:180
138748899178144,23cyclictest1472087-21true00:15:020
141556021770,3chrt1415558-21df_inode20:50:180
138748899175140,23cyclictest1468254-21b-backup00:00:000
144234521730,4chrt1442340-21ntpq22:25:500
143853321720,4chrt1438531-21timerwakeupswit22:11:210
142707421690,4chrt1427067-21ntpq21:30:590
145360221680,4chrt1453601-21ld23:06:150
143541121680,4chrt1435412-21collect222:00:570
139912921680,3chrt1399123-21ntpq19:50:420
138960221680,4chrt1389603-21/usr/sbin/munin19:16:170
146472721670,4chrt1464725-21ntpq23:46:110
146014421670,2sleep01460142-21forks23:30:210
142111821670,4chrt1421116-21df21:10:150
147394721640,4chrt1473946-21ld00:20:330
142807021630,3chrt1428071-21awk21:35:130
141950921440,3sleep01419511-21sh21:05:010
145524021360,2sleep01455242-21sed23:11:210
138748899131101,20cyclictest1407004-21kworker/u2:220:35:240
13874889912396,18cyclictest1452951-21kworker/u2:223:21:160
13874889912295,18cyclictest1439496-21kworker/u2:122:38:030
13874889911584,20cyclictest1388884-21kworker/u2:119:20:140
139532321080,2sleep01395326-21sed19:36:210
13874889910881,18cyclictest1459907-21kworker/u2:023:38:170
13874889910780,17cyclictest1435289-21kworker/u2:222:09:230
13874889910680,17cyclictest1407004-21kworker/u2:220:31:540
13874889910066,23cyclictest1468403-40sh00:00:090
1387488999771,17cyclictest1446012-21kworker/u2:222:53:480
1387488999666,19cyclictest1459907-21kworker/u2:000:31:180
1387488999366,18cyclictest1439496-21kworker/u2:122:41:180
1387488999163,19cyclictest1400022-21kworker/u2:120:00:530
140608328913,22sleep01406080-21ntpq20:15:430
145992028511,17sleep01459918-21munin-run23:30:040
143959228512,19sleep01439597-21ld22:15:590
145062028413,18sleep01450617-21ntpq22:55:370
144375828413,17sleep01443755-21ntpq22:30:550
1387488997850,19cyclictest1422729-21kworker/u2:221:24:060
147544227712,15sleep01475439-21ntpq00:25:540
147817027610,18sleep01478174-21ntpq00:35:470
140059427612,17sleep01400597-21ntpq19:56:160
144794127213,48sleep01447938-21ntpq22:45:550
143129227013,46sleep01431290-21ntp_states21:46:070
1387488997040,20cyclictest1432057-21kworker/u2:121:55:340
146602426911,47sleep01466029-21ld23:50:520
140743926914,44sleep01407441-21ntpq20:20:330
146989226814,43sleep01469889-21ntpq00:05:560
146317926614,41sleep01463184-21ntpq23:40:380
13967972665,14sleep00-21swapper19:41:250
1387488996643,14cyclictest1403397-21ld20:05:570
145187426511,43sleep01451686-21/usr/sbin/munin23:00:280
144135426511,43sleep01441362-21vmstat22:21:230
141813926511,45sleep01-21systemd21:00:040
13928012654,14sleep00-21swapper19:27:590
1387488996527,15cyclictest1414411-21ntpq20:45:340
138646326512,41sleep01386479-21/usr/sbin/munin19:05:250
13983582645,14sleep00-21swapper19:47:510
14205102635,14sleep00-21swapper21:06:470
14095862635,14sleep00-21swapper20:28:370
1387488996220,17cyclictest0-21swapper21:52:260
1387488996135,16cyclictest0-21swapper23:18:110
1387488996032,17cyclictest1425611-21ntpq21:25:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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