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2026-01-12 - 10:12
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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 Jan 12, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
840299459124,0cyclictest0-21swapper00:04:070
84029940883967,0cyclictest17101-21munin-run23:18:250
84029932563138,0cyclictest3735-1kworker/0:0H23:38:400
840299294836,0cyclictest0-21swapper23:28:410
840299289353,0cyclictest0-21swapper23:49:060
84029927301114,0cyclictest9-21ksoftirqd/023:08:200
8402992699632,0cyclictest9-21ksoftirqd/023:08:330
8402992534281,0cyclictest3735-1kworker/0:0H23:43:300
8402992471179,0cyclictest3735-1kworker/0:0H21:43:300
8402992444234,0cyclictest3735-1kworker/0:0H19:08:290
8402992406231,0cyclictest3735-1kworker/0:0H21:08:310
8402992337253,0cyclictest3735-1kworker/0:0H20:33:320
8402992317241,0cyclictest3735-1kworker/0:0H00:23:300
8402992306663,0cyclictest9-21ksoftirqd/022:48:300
8402992266233,0cyclictest3735-1kworker/0:0H19:48:320
8402992198877,0cyclictest10734-21chrt21:03:290
8402992196296,0cyclictest3735-1kworker/0:0H22:08:310
8402992182282,0cyclictest3735-1kworker/0:0H19:53:310
8402992137219,0cyclictest3735-1kworker/0:0H22:33:300
8402992131265,0cyclictest3735-1kworker/0:0H22:28:300
8402992127297,0cyclictest3735-1kworker/0:0H22:43:300
8402992101277,0cyclictest3735-1kworker/0:0H00:08:290
8402991945253,0cyclictest3735-1kworker/0:0H20:03:320
8402991902273,0cyclictest3735-1kworker/0:0H23:23:320
8402991886243,0cyclictest3735-1kworker/0:0H23:33:290
8402991871659,0cyclictest4515-21runrttasks20:43:310
8402991852248,0cyclictest3735-1kworker/0:0H20:08:320
8402991795234,0cyclictest3735-1kworker/0:0H00:13:300
8402991794617,0cyclictest9-21ksoftirqd/022:23:320
8402991790258,0cyclictest3735-1kworker/0:0H19:58:350
8402991751672,0cyclictest9-21ksoftirqd/021:33:300
8402991746671,0cyclictest16606-21cut21:23:320
8402991704259,0cyclictest3735-1kworker/0:0H19:18:350
8402991660255,0cyclictest3735-1kworker/0:0H23:58:340
8402991660194,0cyclictest3735-1kworker/0:0H20:38:340
8402991652233,0cyclictest3735-1kworker/0:0H23:53:300
8402991641311,0cyclictest3735-1kworker/0:0H21:53:310
8402991622282,0cyclictest3735-1kworker/0:0H19:28:310
8402991621723,0cyclictest9-21ksoftirqd/019:13:300
8402991610318,0cyclictest3735-1kworker/0:0H21:38:400
8402991592277,0cyclictest3735-1kworker/0:0H00:33:290
8402991589244,0cyclictest3735-1kworker/0:0H21:58:340
840299158824,0cyclictest9-21ksoftirqd/023:03:280
8402991578327,0cyclictest3735-1kworker/0:0H22:13:300
8402991575240,0cyclictest3735-1kworker/0:0H20:48:310
8402991573196,0cyclictest0-21swapper20:26:200
8402991569429,0cyclictest9-21ksoftirqd/020:20:590
8402991556188,0cyclictest3735-1kworker/0:0H20:28:320
8402991555682,0cyclictest9-21ksoftirqd/019:08:260
8402991546511,0cyclictest8510-21perl20:56:060
8402991543618,0cyclictest9-21ksoftirqd/023:18:420
8402991542267,0cyclictest3735-1kworker/0:0H22:18:420
8402991534243,0cyclictest3735-1kworker/0:0H19:38:400
8402991515385,0cyclictest9-21ksoftirqd/000:31:030
8402991513343,0cyclictest1595-21jbd2/hda3-821:01:210
8402991489542,0cyclictest2903-21perl00:21:080
8402991360533,0cyclictest9-21ksoftirqd/022:41:210
8402991348402,0cyclictest9-21ksoftirqd/022:56:100
8402991313106,0cyclictest3735-1kworker/0:0H21:13:320
8402991302654,0cyclictest17311-21mailstats19:38:350
8402991297290,0cyclictest3735-1kworker/0:0H22:03:360
8402991263215,0cyclictest3735-1kworker/0:0H19:43:300
8402991259272,0cyclictest3735-1kworker/0:0H20:13:350
8402991258260,0cyclictest3735-1kworker/0:0H21:48:350
8402991240278,0cyclictest3735-1kworker/0:0H21:28:310
8402991207136,0cyclictest3735-1kworker/0:0H19:23:310
840299992265,0cyclictest3735-1kworker/0:0H21:18:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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