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2026-08-24 - 10:21
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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: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the highest latencies:
System rack8slot1.osadl.org (updated Mon Aug 24, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2093099328124,0cyclictest0-21swapper23:55:020
20930992622661,0cyclictest29644-21ls20:55:060
20930992601669,0cyclictest7101-21munin-node22:55:060
20930992596530,0cyclictest9-21ksoftirqd/021:20:060
20930992570520,0cyclictest9-21ksoftirqd/022:40:060
20930992438245,0cyclictest26405-1kworker/0:1H20:50:060
20930992417427,0cyclictest1595-21jbd2/hda3-819:00:080
20930992402610,0cyclictest9-21ksoftirqd/019:40:070
20930992398625,0cyclictest4020-21latency_hist21:15:050
20930992380661,0cyclictest19365-21latency_hist23:30:060
20930992379198,0cyclictest26405-1kworker/0:1H21:30:050
20930992372217,0cyclictest26405-1kworker/0:1H00:15:060
20930992370558,0cyclictest0-21swapper23:15:060
20930992365667,0cyclictest9-21ksoftirqd/000:00:060
20930992361574,0cyclictest16435-21latency_hist21:50:060
20930992356308,0cyclictest26405-1kworker/0:1H22:20:060
20930992353200,0cyclictest26405-1kworker/0:1H23:20:060
20930992350590,0cyclictest0-21swapper23:35:060
20930992343607,0cyclictest9-21ksoftirqd/020:40:060
2093099234083,0cyclictest0-21swapper23:48:070
20930992340523,0cyclictest0-21swapper00:10:050
20930992339603,0cyclictest9-21ksoftirqd/022:35:060
20930992337560,0cyclictest0-21swapper19:10:060
20930992328561,0cyclictest9-21ksoftirqd/023:00:060
20930992325279,0cyclictest26405-1kworker/0:1H20:15:060
20930992320598,0cyclictest29300-21latency_hist19:20:060
20930992315294,0cyclictest26405-1kworker/0:1H21:40:060
20930992314632,0cyclictest9-21ksoftirqd/020:30:060
20930992313530,0cyclictest1595-21jbd2/hda3-822:10:050
20930992313213,0cyclictest26405-1kworker/0:1H21:10:050
20930992307284,0cyclictest26405-1kworker/0:1H22:50:050
20930992302123,0cyclictest26405-1kworker/0:1H21:35:060
20930992297445,0cyclictest9-21ksoftirqd/022:15:060
209309922941073,0cyclictest26405-1kworker/0:1H22:00:060
20930992291530,0cyclictest9-21ksoftirqd/023:10:060
20930992242673,0cyclictest9-21ksoftirqd/023:55:070
20930992234298,0cyclictest26405-1kworker/0:1H00:05:090
20930992215630,0cyclictest9-21ksoftirqd/000:20:060
20930992168252,0cyclictest26405-1kworker/0:1H21:55:050
20930992167428,0cyclictest9-21ksoftirqd/019:15:070
20930992161276,0cyclictest26405-1kworker/0:1H21:00:070
20930992131140,0cyclictest26405-1kworker/0:1H19:50:060
20930992095210,0cyclictest26405-1kworker/0:1H19:55:070
20930992090447,0cyclictest9-21ksoftirqd/020:20:070
20930992013234,0cyclictest26405-1kworker/0:1H22:45:090
2093099200040,0cyclictest30579-21latency_hist22:30:060
20930991926162,0cyclictest26405-1kworker/0:1H23:40:060
20930991897669,0cyclictest9-21ksoftirqd/019:05:090
20930991877218,0cyclictest26405-1kworker/0:1H20:10:060
20930991834673,0cyclictest9-21ksoftirqd/020:35:070
20930991821402,0cyclictest9-21ksoftirqd/022:05:100
20930991799550,0cyclictest9-21ksoftirqd/019:30:090
20930991781502,0cyclictest0-21swapper20:00:060
20930991718429,0cyclictest32544-21fschecks_count19:27:390
20930991712743,0cyclictest14766-21cat21:45:090
20930991699602,0cyclictest9-21ksoftirqd/018:55:050
20930991696514,0cyclictest17695-21latency_hist23:25:090
20930991693384,0cyclictest1595-21jbd2/hda3-821:07:370
20930991660646,0cyclictest9-21ksoftirqd/021:25:100
20930991614199,0cyclictest26405-1kworker/0:1H20:25:100
20930991600526,0cyclictest5817-21latency_hist19:45:110
20930991569474,0cyclictest12006-21fschecks_count23:07:380
20930991556604,0cyclictest29653-21forks22:26:330
20930991547332,0cyclictest27621-21fschecks_time20:47:360
20930991530337,0cyclictest9-21ksoftirqd/019:37:450
20930991512273,0cyclictest9-21ksoftirqd/020:07:330
10112600,0rcuc/019073-21cron18:49:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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