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2026-09-07 - 08:43
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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 Sep 07, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30480992859560,0cyclictest6674-21sshd23:54:090
30480992707445,0cyclictest9-21ksoftirqd/021:56:300
30480992662283,0cyclictest13348-1kworker/0:1H19:54:140
30480992457564,0cyclictest9-21ksoftirqd/021:49:120
30480992419613,0cyclictest9-21ksoftirqd/023:54:130
30480992401271,0cyclictest13348-1kworker/0:1H20:49:130
30480992394707,0cyclictest24167-21sendmail-mta20:06:300
30480992382640,0cyclictest1595-21jbd2/hda3-821:39:130
30480992365323,0cyclictest13348-1kworker/0:1H21:14:130
30480992365273,0cyclictest13348-1kworker/0:1H18:54:130
30480992346574,0cyclictest9-21ksoftirqd/023:19:140
30480992342584,0cyclictest9-21ksoftirqd/022:49:130
30480992337598,0cyclictest1595-21jbd2/hda3-823:59:130
30480992334296,0cyclictest13348-1kworker/0:1H20:09:130
30480992331741,0cyclictest27708-21sendmail-mta20:16:300
30480992319539,0cyclictest5249-21wc19:14:130
30480992319394,0cyclictest9-21ksoftirqd/019:19:130
30480992313543,0cyclictest9-21ksoftirqd/020:44:170
30480992308241,0cyclictest13348-1kworker/0:1H19:39:140
30480992296502,0cyclictest9-21ksoftirqd/022:59:120
30480992292455,0cyclictest0-21swapper00:09:130
30480992263635,0cyclictest9033-21sendmail-mta22:26:300
30480992259539,0cyclictest1595-21jbd2/hda3-819:06:300
30480992258594,0cyclictest0-21swapper21:09:130
30480992253592,0cyclictest2821-21latency_hist20:39:130
30480992240601,0cyclictest18849-21latency_hist21:24:170
30480992234292,0cyclictest13348-1kworker/0:1H21:19:130
30480992225607,0cyclictest1595-21jbd2/hda3-820:56:300
30480992213187,0cyclictest13348-1kworker/0:1H23:29:130
30480992212594,0cyclictest9-21ksoftirqd/020:34:130
30480992209554,0cyclictest9-21ksoftirqd/023:16:300
30480992207598,0cyclictest9-21ksoftirqd/019:49:140
30480992201644,0cyclictest10447-21ls19:29:130
30480992179325,0cyclictest13348-1kworker/0:1H22:14:130
30480992175578,0cyclictest9-21ksoftirqd/022:46:310
30480992151301,0cyclictest13348-1kworker/0:1H21:34:120
30480992123267,0cyclictest13348-1kworker/0:1H22:54:130
30480992114395,0cyclictest9-21ksoftirqd/022:19:120
30480992097568,0cyclictest1595-21jbd2/hda3-822:34:140
30480992085320,0cyclictest13348-1kworker/0:1H21:59:130
30480992070335,0cyclictest13348-1kworker/0:1H19:34:140
30480992009109,0cyclictest13348-1kworker/0:1H19:59:140
30480992001283,0cyclictest13348-1kworker/0:1H23:34:130
30480991975105,0cyclictest13348-1kworker/0:1H00:14:130
30480991933274,0cyclictest13348-1kworker/0:1H23:26:300
30480991912103,0cyclictest13348-1kworker/0:1H22:09:130
30480991869211,0cyclictest9-21ksoftirqd/020:26:380
30480991821237,0cyclictest13348-1kworker/0:1H19:09:140
30480991789236,0cyclictest9-21ksoftirqd/023:06:390
30480991768335,0cyclictest9-21ksoftirqd/021:46:400
30480991738332,0cyclictest1595-21jbd2/hda3-821:06:380
30480991720363,0cyclictest9-21ksoftirqd/023:46:390
30480991712299,0cyclictest13348-1kworker/0:1H00:04:170
3048099166323,0cyclictest0-21swapper19:26:440
30480991661218,0cyclictest13348-1kworker/0:1H00:19:120
30480991648201,0cyclictest13348-1kworker/0:1H20:29:140
30480991644435,0cyclictest9-21ksoftirqd/022:06:300
30480991608335,0cyclictest9-21ksoftirqd/021:31:200
30480991581287,0cyclictest9-21ksoftirqd/019:46:300
30480991572383,0cyclictest9-21ksoftirqd/023:11:220
30480991556235,0cyclictest13348-1kworker/0:1H18:54:100
30480991539649,0cyclictest9-21ksoftirqd/020:21:290
30480991485454,0cyclictest10733-21tune2fs22:31:220
30480991480274,0cyclictest9-21ksoftirqd/021:01:360
30480991374198,0cyclictest13348-1kworker/0:1H23:39:130
30480991355309,0cyclictest9-21ksoftirqd/019:01:360
30480991340337,0cyclictest9-21ksoftirqd/022:41:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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