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2026-03-17 - 10:32
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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 Mar 17, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24937222470,3chrt249371-21munin-node20:10:110
27350522460,2chrt273502-21ntpq21:35:570
24806322200,2sleep0248064-21df20:05:140
23252899205176,18cyclictest251019-21kworker/u2:120:26:170
23252899202171,19cyclictest255995-21kworker/u2:221:41:170
23252899201169,19cyclictest255995-21kworker/u2:220:46:190
23252899200170,18cyclictest304119-21kworker/u2:123:46:200
24101821980,3sleep0241019-21cat19:40:080
23252899197164,20cyclictest251019-21kworker/u2:120:20:080
23252899196166,19cyclictest295206-21kworker/u2:223:01:190
23252899196164,20cyclictest304119-21kworker/u2:100:10:120
28627921950,2sleep0286280-21sensors_temp22:21:180
23252899195165,18cyclictest278492-21kworker/u2:123:10:040
23252899191160,19cyclictest304119-21kworker/u2:100:06:150
23252899189158,19cyclictest304119-21kworker/u2:123:36:190
23252899189158,19cyclictest236724-21kworker/u2:219:55:040
23252899187156,19cyclictest304119-21kworker/u2:100:05:040
30633321860,2sleep0306334-21cron23:35:010
23252899185154,19cyclictest228322-21kworker/u2:019:15:030
23252899182152,19cyclictest255995-21kworker/u2:221:30:370
23252899182152,18cyclictest278492-21kworker/u2:122:35:130
26268321810,2sleep0262686-21wc20:56:200
23252899181151,19cyclictest251019-21kworker/u2:120:25:040
23252899181150,19cyclictest228322-21kworker/u2:019:16:180
30864121800,3chrt308643-21timerandwakeup23:41:210
23252899180153,16cyclictest255995-21kworker/u2:221:06:190
26873221790,3chrt268733-21latency_hist21:20:010
23252899179148,19cyclictest278492-21kworker/u2:122:41:210
23252899179148,19cyclictest238596-21kworker/u2:119:35:040
23570421780,4chrt235705-21/usr/sbin/munin19:20:270
30282421750,4chrt22-21kcompactd023:21:110
23252899175145,19cyclictest317143-21kworker/u2:200:20:370
23252899175145,19cyclictest278492-21kworker/u2:122:16:170
23252899175127,24cyclictest236724-21kworker/u2:219:50:040
26108021740,3chrt261076-21ps20:51:150
23252899174143,19cyclictest304119-21kworker/u2:100:31:190
23252899173143,18cyclictest236724-21kworker/u2:220:05:040
23252899173141,20cyclictest304119-21kworker/u2:100:25:130
23252899172143,17cyclictest236724-21kworker/u2:220:00:080
23252899172142,19cyclictest255995-21kworker/u2:222:00:070
23252899171142,18cyclictest317143-21kworker/u2:200:20:020
23252899171140,19cyclictest278492-21kworker/u2:123:15:020
23252899170141,19cyclictest304119-21kworker/u2:100:35:220
23252899169140,18cyclictest255995-21kworker/u2:221:51:190
29581621670,4chrt295814-21ntpq22:56:050
23252899167138,17cyclictest278492-21kworker/u2:122:06:190
23252899167136,20cyclictest304119-21kworker/u2:123:51:150
23252899166136,19cyclictest228322-21kworker/u2:019:10:020
26609621640,4chrt266097-21acpi21:10:090
23252899163132,19cyclictest304119-21kworker/u2:123:26:190
23252899163131,19cyclictest278492-21kworker/u2:122:10:110
23252899162131,19cyclictest304119-21kworker/u2:123:55:310
23252899162131,19cyclictest278492-21kworker/u2:122:01:250
23252899158127,19cyclictest278492-21kworker/u2:122:45:370
23252899157129,18cyclictest236724-21kworker/u2:219:41:230
23252899157126,19cyclictest255995-21kworker/u2:221:00:100
23252899156127,20cyclictest255995-21kworker/u2:221:26:210
23252899156126,19cyclictest255995-21kworker/u2:221:20:550
23252899156125,19cyclictest278492-21kworker/u2:122:50:130
23252899154123,19cyclictest228322-21kworker/u2:019:25:110
23252899151120,20cyclictest253435-21kworker/u2:020:31:090
23252899150121,18cyclictest278492-21kworker/u2:123:15:140
23252899149120,18cyclictest255995-21kworker/u2:220:35:530
23252899147117,19cyclictest255995-21kworker/u2:221:46:190
23252899146117,19cyclictest278492-21kworker/u2:122:26:150
23252899141111,19cyclictest278492-21kworker/u2:122:35:050
23252899140111,18cyclictest255995-21kworker/u2:220:45:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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