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2025-02-07 - 09:16
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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 Fri Feb 07, 2025 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31099322710,3sleep0310992-21systemd-run23:50:060
24094022570,3sleep0240943-21sed19:55:380
22754499252222,19cyclictest306465-21kworker/u2:023:50:270
29371622480,3sleep0293719-21sed22:51:500
26131022350,3chrt261308-21users21:06:330
22754499234203,20cyclictest266696-21kworker/u2:121:35:220
26426022290,3chrt264254-21ntpq21:16:470
30386022270,2chrt303841-21systemd-run23:25:100
25763322270,3chrt257632-21sed20:55:070
22754499219190,17cyclictest306465-21kworker/u2:023:55:430
22754499216185,18cyclictest279537-21kworker/u2:022:20:300
28754022130,3sleep0287538-21sendmail_mailtr22:31:500
23329622030,2sleep0233299-21grep19:30:140
22754499203171,19cyclictest270954-21kworker/u2:322:10:050
22754499198163,23cyclictest266910-21true21:25:030
25241621960,2sleep0252418-21awk20:35:300
22754499195169,17cyclictest320268-21kworker/u2:100:25:090
22754499193165,16cyclictest306465-21kworker/u2:023:35:270
22754499193164,19cyclictest320268-21kworker/u2:100:20:080
22754499193163,17cyclictest270954-21kworker/u2:322:16:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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