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2026-05-17 - 10:29
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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 376 highest latencies:
System rack8slot1.osadl.org (updated Sun May 17, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1984993211199,0cyclictest0-21swapper23:21:100
1984993178742,0cyclictest0-21swapper00:02:020
1984993132618,0cyclictest0-21swapper23:13:300
19849928771977,0cyclictest0-21swapper00:01:080
1984992685280,0cyclictest28475-1kworker/0:1H00:26:120
1984992447637,0cyclictest9-21ksoftirqd/022:01:120
1984992432643,0cyclictest9-21ksoftirqd/000:21:110
1984992427289,0cyclictest28475-1kworker/0:1H21:46:120
1984992417295,0cyclictest28475-1kworker/0:1H22:41:120
1984992396224,0cyclictest28475-1kworker/0:1H23:01:120
1984992378742,0cyclictest25930-21sort21:41:120
1984992377218,0cyclictest28475-1kworker/0:1H00:16:120
1984992376658,0cyclictest0-21swapper22:46:130
1984992365735,0cyclictest9-21ksoftirqd/020:36:160
1984992363221,0cyclictest28475-1kworker/0:1H22:06:130
1984992362724,0cyclictest9-21ksoftirqd/021:06:130
1984992334623,0cyclictest9-21ksoftirqd/019:36:130
1984992333584,0cyclictest9-21ksoftirqd/021:36:130
1984992324288,0cyclictest28475-1kworker/0:1H20:01:120
1984992312610,0cyclictest9-21ksoftirqd/019:26:130
1984992301270,0cyclictest28475-1kworker/0:1H19:16:130
1984992300483,0cyclictest1595-21jbd2/hda3-819:41:130
1984992294598,0cyclictest9-21ksoftirqd/023:36:110
1984992287493,0cyclictest1595-21jbd2/hda3-821:56:120
1984992284274,0cyclictest28475-1kworker/0:1H23:31:160
1984992283524,0cyclictest9-21ksoftirqd/019:31:160
1984992269290,0cyclictest28475-1kworker/0:1H20:46:120
1984992262524,0cyclictest9-21ksoftirqd/023:06:130
1984992247696,0cyclictest9-21ksoftirqd/021:21:130
1984992240667,0cyclictest15773-21sendmail_mailtr21:11:150
1984992203689,0cyclictest9-21ksoftirqd/019:06:140
1984992146290,0cyclictest28475-1kworker/0:1H19:56:130
1984992124299,0cyclictest28475-1kworker/0:1H19:21:130
1984992120294,0cyclictest28475-1kworker/0:1H23:46:120
1984992110281,0cyclictest28475-1kworker/0:1H20:31:170
1984991969235,0cyclictest28475-1kworker/0:1H19:01:130
1984991956298,0cyclictest28475-1kworker/0:1H22:11:160
1984991956222,0cyclictest28475-1kworker/0:1H22:21:130
1984991844655,0cyclictest9-21ksoftirqd/020:11:170
1984991810591,0cyclictest22392-21which21:31:160
1984991805655,0cyclictest12126-21cron21:01:130
1984991756430,0cyclictest9-21ksoftirqd/019:11:160
1984991723146,0cyclictest28475-1kworker/0:1H22:51:160
1984991678306,0cyclictest28475-1kworker/0:1H00:11:170
1984991637541,0cyclictest9-21ksoftirqd/019:01:100
1984991628513,0cyclictest29263-21cat21:51:160
1984991561477,0cyclictest9-21ksoftirqd/020:58:370
1984991553229,0cyclictest0-21swapper23:23:390
1984991541543,0cyclictest9-21ksoftirqd/020:06:130
1984991490339,0cyclictest1595-21jbd2/hda3-823:28:290
1984991485345,0cyclictest9-21ksoftirqd/022:33:280
1984991479354,0cyclictest9-21ksoftirqd/022:38:290
1984991468295,0cyclictest9-21ksoftirqd/020:43:370
1984991467420,0cyclictest9-21ksoftirqd/019:53:320
1984991463298,0cyclictest9-21ksoftirqd/022:18:360
1984991451296,0cyclictest9-21ksoftirqd/022:58:210
1984991442359,0cyclictest9-21ksoftirqd/021:18:270
1984991440542,0cyclictest9-21ksoftirqd/020:53:440
1984991426341,0cyclictest9-21ksoftirqd/022:28:200
1984991419356,0cyclictest9-21ksoftirqd/023:43:400
1984991380353,0cyclictest9-21ksoftirqd/000:08:400
1984991377555,0cyclictest30369-21latency_hist20:21:130
1984991363300,0cyclictest28475-1kworker/0:1H23:51:230
1984991362581,0cyclictest28597-21cron20:16:140
1984991324271,0cyclictest28475-1kworker/0:1H20:26:130
1984991290356,0cyclictest9-21ksoftirqd/019:48:270
1984991153224,0cyclictest28475-1kworker/0:1H21:26:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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