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2026-09-23 - 21:02
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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 Wed Sep 23, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
59021670,4sleep31651599cyclictest14:23:023
1068911030,4ptp4l401ktimersoftd/309:46:043
106891800,10ptp4l401ktimersoftd/311:57:533
16504997265,4cyclictest25-21ksoftirqd/112:22:501
106891710,1ptp4l401ktimersoftd/313:58:553
106891690,1ptp4l401ktimersoftd/314:20:353
106891690,1ptp4l401ktimersoftd/312:22:243
106891690,1ptp4l401ktimersoftd/312:22:243
106891680,1ptp4l401ktimersoftd/312:51:473
189902660,5sleep341-21ksoftirqd/315:16:143
161992664,10sleep00-21swapper/009:45:000
226782650,4sleep09-21ksoftirqd/014:46:200
16504996454,6cyclictest25-21ksoftirqd/113:12:521
16504996251,6cyclictest25-21ksoftirqd/112:37:521
16504996148,7cyclictest25-21ksoftirqd/113:32:531
29942600,2sleep00-21swapper/012:45:110
16504996049,4cyclictest25-21ksoftirqd/115:12:541
106891600,1ptp4l401ktimersoftd/310:18:053
106891580,1ptp4l401ktimersoftd/314:39:593
106891570,1ptp4l401ktimersoftd/314:11:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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