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2026-06-23 - 12:10
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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 Jun 23, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1072521800,5sleep32345099cyclictest23:56:003
924621650,4sleep12343799cyclictest00:26:531
1068911090,3ptp4l401ktimersoftd/320:53:203
1068911090,3ptp4l401ktimersoftd/320:53:203
106891690,1ptp4l401ktimersoftd/300:01:193
230742674,10sleep00-21swapper/020:53:210
230742674,10sleep00-21swapper/020:53:210
225312654,10sleep10-21swapper/120:51:571
225312654,10sleep10-21swapper/120:51:571
277622620,2sleep30-21swapper/323:39:423
78822610,2sleep37880-21grep01:31:513
106891580,1ptp4l401ktimersoftd/322:58:483
235432560,3sleep22344299cyclictest02:21:162
235432560,3sleep22344299cyclictest02:21:162
106891560,2ptp4l9184-21kworker/3:101:52:093
106891560,1ptp4l401ktimersoftd/321:34:383
106891540,1ptp4l401ktimersoftd/323:08:053
100382510,2sleep20-21swapper/223:21:502
156072500,2sleep30-21swapper/300:32:253
106891500,1ptp4l401ktimersoftd/301:03:583
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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