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2026-03-14 - 03:28
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Sat Mar 14, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151153980,0ktimers/0136601sleep19:08:460
142019947129,0cyclictest894-21jbd2/sda1-821:24:350
142019946933,0cyclictest12980-21apt-get22:09:110
1514670,0ktimers/028741sleep00:31:490
1514650,0ktimers/0297891sleep23:55:530
142019946440,0cyclictest4538-21munin-run00:43:040
142019946232,0cyclictest24294-21open_inodes23:23:120
142019945928,0cyclictest31524-21ntp_states20:43:390
142019945730,0cyclictest4839-21latency_hist21:13:150
142019945529,0cyclictest28115-21chrt23:47:080
142019945430,0cyclictest22473-21ssh23:08:160
142019945126,0cyclictest26315-21ssh23:35:080
142019945027,0cyclictest30634-21awk20:39:070
1514480,0ktimers/0154471sleep22:22:580
1420199445107,0cyclictest32653-21expr20:49:230
142019944228,0cyclictest15154-21munin-node20:03:070
1420199440112,0cyclictest25330-21runrttasks20:13:480
142019943928,0cyclictest26322-21irqstats20:18:190
1514340,0ktimers/0235221sleep20:04:010
142019943339,0cyclictest1477-21munin-run00:23:080
1420199433122,0cyclictest0-21swapper21:55:290
1514320,0ktimers/031731sleep00:33:450
1420199432126,0cyclictest21650-21wget19:53:580
142019943181,0cyclictest3729-21runrttasks21:58:240
1420199429148,0cyclictest8462-21sort21:39:310
142019942626,0cyclictest14708-21cut19:14:230
1420199425119,0cyclictest13891-21ssh22:13:550
142019942479,0cyclictest16477-21latency_hist19:28:030
142019942431,0cyclictest17270-21ssh22:34:110
142019942380,0cyclictest9197-21grep21:43:250
142019942334,0cyclictest31701-21ssh00:08:320
142019942332,0cyclictest4781-21diskmemload23:50:360
142019942229,0cyclictest21893-21ls23:03:140
142019942229,0cyclictest18066-21chrt22:38:390
142019942228,0cyclictest5789-21sh21:19:310
142019942228,0cyclictest19977-21sh22:52:360
142019942125,0cyclictest3524-21chrt21:05:150
142019942029,0cyclictest23475-21chrt23:16:160
142019942028,0cyclictest24584-21sshd20:09:270
142019942026,0cyclictest29248-21grep20:33:150
142019941973,0cyclictest18629-21grep19:38:030
142019941943,0cyclictest4781-21diskmemload21:31:310
142019941927,0cyclictest10182-21ssh21:49:590
142019941926,0cyclictest896-21ssh00:18:120
1420199419101,0cyclictest26969-21chrt23:39:110
1514180,0ktimers/079551sleep21:36:060
142019941829,0cyclictest25319-21ssh23:30:000
142019941826,0cyclictest952-21grep20:53:470
142019941728,0cyclictest20625-21grep22:55:120
142019941728,0cyclictest17325-21chrt19:29:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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