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2026-05-07 - 23:04
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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 Thu May 07, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18029915214,71cyclictest9682-21seq12:40:340
18029914715,43cyclictest1465-21munin-node12:15:240
18029914713,73cyclictest19926-21cpu09:54:320
363212618,28sleep0451-21perl07:14:390
30037211117,15sleep030052-21munin-node10:24:540
13600210414,18sleep013647-21munin-node09:34:410
31331210114,15sleep031334-21df10:29:350
20595210114,74sleep020615-21munin-node08:15:150
1802999714,73cyclictest13338-21munin-node07:54:300
506129614,15sleep00-21swapper12:27:350
3188629614,15sleep031898-21awk08:50:110
2326529614,15sleep023266-21diskstats10:04:390
1802999615,72cyclictest3568-21runrttasks12:29:400
2964729514,68sleep029661-21sh08:44:360
2665329514,15sleep026654-21iostat_ios08:34:500
3189229413,15sleep031910-21open_files12:10:050
2195529414,16sleep021956-21memory09:59:560
1802999414,71cyclictest12431-21runrttasks07:50:100
1214529413,15sleep012161-21if_err_eth011:09:450
585129314,16sleep05856-21ntp_states09:09:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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