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2026-05-09 - 15:46
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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 50 highest latencies:
System rack8slot1.osadl.org (updated Sat May 09, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32929932423175,0cyclictest24030-21cat09:51:450
3292993114757,0cyclictest8822-21latency_hist09:01:400
3292992893731,0cyclictest9-21ksoftirqd/007:01:390
3292992585618,0cyclictest9-21ksoftirqd/012:01:390
3292992492286,0cyclictest10121-1kworker/0:1H11:01:410
3292992401281,0cyclictest10121-1kworker/0:1H08:16:410
3292992371270,0cyclictest22960-1kworker/0:0H11:41:400
3292992317296,0cyclictest10121-1kworker/0:1H10:56:400
3292992316742,0cyclictest9-21ksoftirqd/011:36:390
3292992309263,0cyclictest10121-1kworker/0:1H07:06:400
3292992300314,0cyclictest10121-1kworker/0:1H11:21:400
3292992246287,0cyclictest22960-1kworker/0:0H12:26:400
3292992209309,0cyclictest10121-1kworker/0:1H10:01:410
3292992187255,0cyclictest10121-1kworker/0:1H09:36:400
3292992184309,0cyclictest22960-1kworker/0:0H11:46:400
3292992179522,0cyclictest9-21ksoftirqd/008:01:400
3292992162286,0cyclictest10121-1kworker/0:1H07:16:410
3292992162284,0cyclictest10121-1kworker/0:1H07:36:400
3292992161285,0cyclictest10121-1kworker/0:1H07:21:410
3292992153278,0cyclictest10121-1kworker/0:1H08:56:410
3292992137501,0cyclictest9-21ksoftirqd/009:56:410
3292992089272,0cyclictest10121-1kworker/0:1H10:16:420
3292992058248,0cyclictest10121-1kworker/0:1H09:26:410
3292992027475,0cyclictest9-21ksoftirqd/009:16:400
3292991988758,0cyclictest3347-21cat07:01:360
3292991987252,0cyclictest10121-1kworker/0:1H11:16:410
3292991966276,0cyclictest10121-1kworker/0:1H09:06:410
3292991952295,0cyclictest10121-1kworker/0:1H08:21:420
3292991936275,0cyclictest10121-1kworker/0:1H07:56:410
3292991932307,0cyclictest10121-1kworker/0:1H10:21:410
3292991919335,0cyclictest10121-1kworker/0:1H07:26:400
3292991904826,0cyclictest6950-21wc07:11:430
3292991858299,0cyclictest10121-1kworker/0:1H10:46:400
3292991849277,0cyclictest10121-1kworker/0:1H08:06:400
3292991795257,0cyclictest22960-1kworker/0:0H12:21:400
3292991777755,0cyclictest7119-21munin-node10:41:400
3292991752227,0cyclictest10121-1kworker/0:1H10:06:400
329299174635,0cyclictest17728-21perl11:14:190
3292991732651,0cyclictest9-21ksoftirqd/007:41:400
3292991697329,0cyclictest10121-1kworker/0:1H07:51:440
3292991692236,0cyclictest22960-1kworker/0:0H12:06:420
3292991691315,0cyclictest10121-1kworker/0:1H09:31:460
3292991675283,0cyclictest10121-1kworker/0:1H10:26:420
3292991671743,0cyclictest1222-21munin-node08:36:410
3292991662215,0cyclictest22960-1kworker/0:0H11:56:400
3292991645535,0cyclictest9-21ksoftirqd/008:46:400
3292991626224,0cyclictest10121-1kworker/0:1H11:26:400
3292991612289,0cyclictest10121-1kworker/0:1H09:41:400
3292991611270,0cyclictest10121-1kworker/0:1H08:41:400
3292991596190,0cyclictest10121-1kworker/0:1H07:31:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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