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2026-06-28 - 16:59
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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 20 highest latencies:
System rack8slot1.osadl.org (updated Sun Jun 28, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
129009939553805,0cyclictest0-21swapper06:58:380
12900992779712,0cyclictest22057-21munin-node08:58:410
12900992517261,0cyclictest16744-1kworker/0:0H08:03:390
12900992510503,0cyclictest16672-21chrt10:18:380
12900992487224,0cyclictest16744-1kworker/0:0H09:13:390
12900992481278,0cyclictest16744-1kworker/0:0H08:28:420
12900992460646,0cyclictest9-21ksoftirqd/009:23:390
12900992442624,0cyclictest14902-21latency_hist10:13:380
12900992438203,0cyclictest16744-1kworker/0:0H08:13:390
12900992394249,0cyclictest16744-1kworker/0:0H08:48:420
12900992378480,0cyclictest0-21swapper08:33:390
12900992352701,0cyclictest28641-21latency_hist09:18:380
12900992347236,0cyclictest16744-1kworker/0:0H09:58:370
12900992337265,0cyclictest16744-1kworker/0:0H07:38:410
12900992334628,0cyclictest4119-21latency_hist09:43:380
12900992330239,0cyclictest16744-1kworker/0:0H07:13:390
12900992326321,0cyclictest16744-1kworker/0:0H10:58:380
12900992314691,0cyclictest9-21ksoftirqd/010:28:410
12900992305771,0cyclictest9-21ksoftirqd/008:53:390
12900992298232,0cyclictest16744-1kworker/0:0H10:23:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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