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2026-08-20 - 08:04
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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 Thu Aug 20, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1794321650,5sleep0868099cyclictest23:43:520
1089921510,3sleep1868699cyclictest22:38:331
106891990,3ptp4l401ktimersoftd/321:25:243
324852710,3sleep30-21swapper/322:13:543
303762670,5sleep2869099cyclictest02:09:002
85172654,10sleep00-21swapper/021:27:470
34592610,5sleep3869899cyclictest00:02:183
268092610,5sleep0868099cyclictest22:03:480
106891580,1ptp4l401ktimersoftd/300:07:443
8698995731,3cyclictest41-21ksoftirqd/300:23:473
106891570,1ptp4l401ktimersoftd/302:35:203
106891560,1ptp4l401ktimersoftd/323:41:213
8698995519,5cyclictest41-21ksoftirqd/302:28:523
8686995521,8cyclictest25-21ksoftirqd/102:21:271
8686995518,9cyclictest25-21ksoftirqd/102:58:341
163862550,1sleep00-21swapper/001:21:490
8680995416,4cyclictest9-21ksoftirqd/002:23:580
106891540,1ptp4l401ktimersoftd/300:32:223
8686995220,7cyclictest25-21ksoftirqd/121:50:101
145402520,1sleep30-21swapper/300:13:503
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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