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2026-04-04 - 12:36
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackbslot6.osadl.org (updated Sat Apr 04, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3039823770,3sleep20-21swapper/220:07:362
459821720,5sleep03185799cyclictest00:33:220
2641621640,3sleep03185799cyclictest01:28:260
1068911080,4ptp4l401ktimersoftd/320:10:203
297212820,1sleep30-21swapper/300:27:223
106891700,1ptp4l401ktimersoftd/323:24:193
106891700,1ptp4l401ktimersoftd/300:29:343
31870996049,5cyclictest33-21ksoftirqd/222:02:302
106891600,1ptp4l401ktimersoftd/300:11:123
109572590,5sleep08972-21cups-browsed01:12:440
31870995631,3cyclictest33-21ksoftirqd/200:52:442
129972560,2sleep20-21swapper/222:32:352
31870995544,5cyclictest33-21ksoftirqd/221:07:312
31870995543,6cyclictest33-21ksoftirqd/221:12:302
314182554,40sleep00-21swapper/020:07:590
31870995443,5cyclictest33-21ksoftirqd/220:37:292
31870995243,4cyclictest33-21ksoftirqd/201:17:362
31870995240,6cyclictest33-21ksoftirqd/223:17:322
31870995042,4cyclictest33-21ksoftirqd/223:52:262
3187099483,3cyclictest121rcu_preempt23:32:422
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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