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2026-05-05 - 22:26
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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 Tue May 05, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1382923940,3sleep30-21swapper/308:25:023
2494121600,4sleep21530299cyclictest11:58:462
50702780,4sleep31530799cyclictest10:58:573
106891680,1ptp4l401ktimersoftd/312:15:363
106891640,1ptp4l401ktimersoftd/310:53:473
61002630,2sleep26102-21ssh11:39:472
48372630,2sleep20-21swapper/209:10:122
215662620,4sleep21530299cyclictest13:34:502
150962624,10sleep10-21swapper/108:28:371
106891620,1ptp4l401ktimersoftd/309:01:283
262972600,2sleep10-21swapper/111:25:051
149872604,10sleep20-21swapper/208:27:122
110962600,5sleep311100-21unixbench_multi11:05:153
15302995944,7cyclictest33-21ksoftirqd/212:35:002
15302995846,5cyclictest33-21ksoftirqd/213:20:012
149532564,41sleep00-21swapper/008:26:460
106891550,4ptp4l401ktimersoftd/312:04:093
106891550,1ptp4l401ktimersoftd/313:32:233
306302510,2sleep20-21swapper/213:10:092
1528999496,7cyclictest9-21ksoftirqd/011:39:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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