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2026-03-31 - 15:06
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot2.osadl.org (updated Tue Mar 31, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
314027199290256,21cyclictest3150334-21/usr/sbin/munin07:45:220
314027199265235,18cyclictest3147239-21kworker/u2:007:40:010
314027199261231,20cyclictest29-21kswapd007:41:040
319921222600,3chrt3199214-21latency10:40:270
323226022530,2sleep03232261-21cat12:40:010
314027199252223,19cyclictest29-21kswapd009:10:200
317687522500,3chrt3176874-21/usr/sbin/munin09:20:220
317126922490,4chrt3171267-21if_eth009:00:220
314027199248215,21cyclictest3172995-21ld09:06:040
314027199209180,17cyclictest3160344-21kworker/u2:208:26:200
314027199206175,19cyclictest3197894-21kworker/u2:210:46:190
318293622050,3sleep03182934-21systemctl09:41:190
314027199205176,17cyclictest3169586-21kworker/u2:209:26:170
314027199205173,20cyclictest3180506-21kworker/u2:109:35:030
314027199202171,20cyclictest3141666-21kworker/u2:107:31:180
314453722000,2sleep03144538-21cut07:25:070
314027199192161,19cyclictest3191880-21kworker/u2:110:40:080
314027199191161,18cyclictest3197894-21kworker/u2:211:21:170
314027199191160,19cyclictest3189594-21kworker/u2:010:06:180
314027199189159,18cyclictest3228107-21kworker/u2:112:30:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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