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2025-12-09 - 05:36
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack4slot3.osadl.org (updated Tue Dec 09, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28344212618,89sleep028392-21sort19:08:520
30477211114,36sleep029533-21munin-node00:14:110
234321110,4sleep02341-21hddtemp_smartct00:28:370
291339910225,68cyclictest2776-21runrttasks21:09:170
29133999924,37cyclictest15375-21netstat21:48:510
29133999722,65cyclictest16636-21munin-node21:53:340
29133999714,74cyclictest7255-21processes19:44:000
2144029715,16sleep021443-21df22:08:280
29133999623,65cyclictest19070-21timerwakeupswit23:39:070
29133999615,71cyclictest11112-21chrt23:14:380
1354229614,16sleep013604-21perl23:23:350
49229514,16sleep0493-21iostat_ios21:03:440
29133999523,63cyclictest13371-21runrttasks21:43:320
29133999516,69cyclictest8646-21runrttasks19:48:450
1812329514,16sleep018186-21cpu21:58:260
29133999425,60cyclictest24608-21sort23:58:130
29133999425,59cyclictest4898-21latency_hist19:38:130
29133999415,70cyclictest380-21munin-node00:23:250
880129315,16sleep08809-21memory21:28:480
577429314,15sleep05789-21ntp_kernel_pll_22:58:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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