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2026-03-07 - 14:05
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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 Fri Mar 06, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2638621540,3sleep02565599cyclictest07:56:470
1068911120,3ptp4l401ktimersoftd/307:52:063
193152730,21sleep00-21swapper/012:08:440
106891650,1ptp4l401ktimersoftd/313:11:543
154012630,1sleep20-21swapper/211:31:522
34542620,2sleep30-21swapper/310:12:113
136042620,4sleep013608-21unixbench_singl09:42:010
25676996150,5cyclictest41-21ksoftirqd/310:46:453
252332614,10sleep20-21swapper/207:52:222
25676996049,5cyclictest41-21ksoftirqd/308:16:453
25676995846,5cyclictest41-21ksoftirqd/310:01:483
25676995830,3cyclictest41-21ksoftirqd/309:51:543
236432580,5sleep023644-21fschecks_count12:46:540
84952570,2sleep00-21swapper/013:04:080
25676995746,5cyclictest41-21ksoftirqd/312:11:493
128542560,2sleep10-21swapper/111:28:501
106891560,1ptp4l401ktimersoftd/310:08:183
25676995446,4cyclictest41-21ksoftirqd/309:06:453
21392540,2sleep10-21swapper/112:24:511
25676995340,5cyclictest41-21ksoftirqd/312:06:493
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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