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2026-05-11 - 03:29
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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 highest latencies:
System rack8slot1.osadl.org (updated Mon May 11, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
202159928921009,0cyclictest0-21swapper00:02:200
20215992865613,0cyclictest9180-21munin-node20:01:350
20215992818665,0cyclictest0-21swapper23:43:430
20215992816584,0cyclictest7389-21chrt23:01:340
20215992755266,0cyclictest27278-1kworker/0:0H21:01:350
20215992686624,0cyclictest0-21swapper00:01:300
20215992573546,0cyclictest27266-21cron22:26:340
20215992541745,0cyclictest1595-21jbd2/hda3-820:21:340
20215992540215,0cyclictest27278-1kworker/0:0H23:21:340
20215992503224,0cyclictest27278-1kworker/0:0H22:21:330
20215992464233,0cyclictest27278-1kworker/0:0H23:46:330
20215992418771,0cyclictest5649-21which19:51:380
20215992405551,0cyclictest23843-21latency_hist22:16:340
20215992403301,0cyclictest27278-1kworker/0:0H00:21:350
20215992394650,0cyclictest3818-21runrttasks19:46:340
20215992368579,0cyclictest14511-21latency_hist20:16:340
20215992364570,0cyclictest1595-21jbd2/hda3-819:16:340
20215992349702,0cyclictest1595-21jbd2/hda3-822:11:380
20215992334697,0cyclictest9-21ksoftirqd/022:36:340
20215992324650,0cyclictest32108-21latency_hist21:06:340
20215992316547,0cyclictest30840-21latency_hist19:31:370
20215992304269,0cyclictest27278-1kworker/0:0H22:46:340
20215992290280,0cyclictest27278-1kworker/0:0H23:36:350
20215992287296,0cyclictest27278-1kworker/0:0H22:56:340
20215992274585,0cyclictest9-21ksoftirqd/023:11:370
20215992258470,0cyclictest9-21ksoftirqd/021:16:340
20215992214606,0cyclictest9-21ksoftirqd/021:41:340
20215992207307,0cyclictest27278-1kworker/0:0H19:56:340
20215992201563,0cyclictest9-21ksoftirqd/021:21:350
20215992174610,0cyclictest20275-21latency_hist19:01:300
20215992163608,0cyclictest9-21ksoftirqd/021:26:340
20215992130124,0cyclictest27278-1kworker/0:0H19:26:340
20215992088248,0cyclictest27278-1kworker/0:0H20:56:340
20215992071231,0cyclictest27278-1kworker/0:0H20:36:330
2021599206028,0cyclictest2457-21sshd00:18:590
20215991964291,0cyclictest27278-1kworker/0:0H21:36:330
20215991911206,0cyclictest27278-1kworker/0:0H23:06:340
20215991888260,0cyclictest27278-1kworker/0:0H19:21:340
20215991885560,0cyclictest9-21ksoftirqd/000:11:370
20215991846301,0cyclictest27278-1kworker/0:0H22:51:380
20215991832248,0cyclictest27278-1kworker/0:0H23:16:340
20215991774240,0cyclictest27278-1kworker/0:0H00:06:330
20215991698327,0cyclictest27278-1kworker/0:0H20:41:340
20215991637554,0cyclictest23860-21awk19:11:380
20215991630772,0cyclictest0-21swapper22:01:330
20215991618254,0cyclictest27278-1kworker/0:0H22:31:390
20215991592265,0cyclictest27278-1kworker/0:0H20:51:390
2021599157530,0cyclictest0-21swapper23:31:340
20215991574235,0cyclictest9-21ksoftirqd/022:08:400
20215991566677,0cyclictest1529-21sendmail_mailtr21:11:380
20215991562540,0cyclictest9-21ksoftirqd/023:33:520
20215991512659,0cyclictest4450-21runrttasks19:36:340
2021599151129,0cyclictest27278-1kworker/0:0H19:08:470
20215991504461,0cyclictest1595-21jbd2/hda3-820:08:540
20215991503550,0cyclictest9-21ksoftirqd/020:31:470
20215991493605,0cyclictest9-21ksoftirqd/023:53:510
20215991445289,0cyclictest27278-1kworker/0:0H19:01:330
20215991438288,0cyclictest9-21ksoftirqd/022:43:460
20215991415224,0cyclictest27278-1kworker/0:0H21:56:330
2021599139557,0cyclictest27278-1kworker/0:0H20:28:570
20215991382303,0cyclictest27278-1kworker/0:0H00:26:340
20215991373414,0cyclictest9-21ksoftirqd/019:43:570
20215991365393,0cyclictest1595-21jbd2/hda3-821:33:560
20215991342318,0cyclictest9-21ksoftirqd/021:48:570
20215991301246,0cyclictest9-21ksoftirqd/020:48:500
20215991214628,0cyclictest9-21ksoftirqd/020:13:530
20215991172554,0cyclictest15100-21ls21:51:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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