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2026-09-22 - 14:24
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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 Tue Sep 22, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
155999931521410,0cyclictest9-21ksoftirqd/023:13:130
155999930131327,0cyclictest29066-21munin-run00:13:070
155999930112910,0cyclictest0-21swapper20:48:120
15599992956286,0cyclictest26262-1kworker/0:1H20:53:170
15599992914289,0cyclictest26262-1kworker/0:1H21:53:170
15599992635633,0cyclictest10450-21munin-node21:48:180
15599992593690,0cyclictest9-21ksoftirqd/022:08:170
15599992565288,0cyclictest26262-1kworker/0:1H23:53:170
15599992563561,0cyclictest1595-21jbd2/hda3-800:13:170
15599992513287,0cyclictest26262-1kworker/0:1H23:58:160
15599992481248,0cyclictest26262-1kworker/0:1H22:53:160
15599992479292,0cyclictest26262-1kworker/0:1H20:58:190
15599992396317,0cyclictest26262-1kworker/0:1H19:08:180
15599992356253,0cyclictest26262-1kworker/0:1H21:38:160
15599992351266,0cyclictest26262-1kworker/0:1H20:28:180
15599992343587,0cyclictest9-21ksoftirqd/022:58:160
15599992325269,0cyclictest26262-1kworker/0:1H20:33:170
15599992275631,0cyclictest3249-21latency_hist21:28:170
15599992273555,0cyclictest9-21ksoftirqd/019:28:170
15599992271539,0cyclictest9-21ksoftirqd/021:08:170
15599992256146,0cyclictest26262-1kworker/0:1H20:13:180
15599992253599,0cyclictest0-21swapper19:13:180
15599992250613,0cyclictest19023-21munin-node20:38:170
155999921742089,0cyclictest0-21swapper22:23:310
15599992160507,0cyclictest9-21ksoftirqd/018:58:170
15599992134234,0cyclictest26262-1kworker/0:1H19:43:200
15599992114267,0cyclictest26262-1kworker/0:1H23:28:190
15599992097243,0cyclictest26262-1kworker/0:1H21:18:160
15599992096271,0cyclictest26262-1kworker/0:1H18:53:160
15599992086354,0cyclictest26262-1kworker/0:1H22:18:170
15599992074234,0cyclictest26262-1kworker/0:1H23:33:170
15599992037258,0cyclictest26262-1kworker/0:1H19:53:200
15599992037227,0cyclictest26262-1kworker/0:1H20:48:160
15599991971267,0cyclictest26262-1kworker/0:1H23:18:170
15599991937217,0cyclictest26262-1kworker/0:1H19:18:180
15599991916227,0cyclictest26262-1kworker/0:1H20:08:170
15599991914297,0cyclictest26262-1kworker/0:1H22:13:160
15599991907189,0cyclictest26262-1kworker/0:1H21:58:170
15599991895266,0cyclictest26262-1kworker/0:1H23:48:160
15599991868639,0cyclictest16805-21munin-node23:38:170
15599991856272,0cyclictest26262-1kworker/0:1H21:33:180
15599991792638,0cyclictest8694-21which21:43:200
15599991761240,0cyclictest26262-1kworker/0:1H23:43:200
15599991737256,0cyclictest26262-1kworker/0:1H20:18:190
15599991729621,0cyclictest9-21ksoftirqd/023:13:170
15599991718149,0cyclictest26262-1kworker/0:1H22:38:170
15599991714631,0cyclictest4498-21which23:03:200
15599991706556,0cyclictest1595-21jbd2/hda3-821:13:170
15599991697736,0cyclictest7284-21chrt20:03:210
15599991694705,0cyclictest27353-21sendmail_mailtr21:03:210
15599991694147,0cyclictest26262-1kworker/0:1H20:23:210
15599991668547,0cyclictest9-21ksoftirqd/021:23:200
15599991658246,0cyclictest26262-1kworker/0:1H19:03:210
15599991647231,0cyclictest26262-1kworker/0:1H18:53:130
15599991578700,0cyclictest9-21ksoftirqd/022:03:270
15599991578427,0cyclictest9-21ksoftirqd/000:05:470
15599991537450,0cyclictest9-21ksoftirqd/023:25:460
15599991530370,0cyclictest1595-21jbd2/hda3-800:20:390
15599991528332,0cyclictest26262-1kworker/0:1H22:33:160
15599991523296,0cyclictest1595-21jbd2/hda3-822:45:510
15599991506440,0cyclictest9-21ksoftirqd/020:00:590
15599991506354,0cyclictest1595-21jbd2/hda3-822:50:370
15599991502617,0cyclictest27056-21sendmail-mta19:26:140
15599991446197,0cyclictest0-21swapper19:40:540
1559999143728,0cyclictest26262-1kworker/0:1H19:35:550
15599991399495,0cyclictest9-21ksoftirqd/022:28:170
155999913841145,0cyclictest26262-1kworker/0:1H19:50:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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