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2026-03-14 - 15:01
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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 Sat Mar 14, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
262989914914,45cyclictest3568-21runrttasks11:31:190
262989914815,40cyclictest30869-21seq07:27:080
262989914614,123cyclictest6708-21seq07:52:510
262989914415,43cyclictest9160-21nfs_client07:59:230
262989914314,120cyclictest3568-21runrttasks10:59:410
262989914215,117cyclictest20826-21timerwakeupswit08:34:390
262989914214,50cyclictest26467-21munin-node10:33:570
262989914214,119cyclictest3568-21runrttasks09:45:330
262989914114,118cyclictest617-21df_abs09:13:580
262989914114,117cyclictest3676-21cut09:23:440
262989914114,117cyclictest3568-21runrttasks08:58:570
262989914114,117cyclictest303-21latency_hist07:33:440
262989914016,114cyclictest3842-21munin-node11:03:570
262989914015,49cyclictest4118-21sshd07:44:120
262989914015,115cyclictest141992sleep009:54:290
262989913815,48cyclictest23384-21df10:23:570
262989913814,37cyclictest1208-21runrttasks12:34:220
262989913814,114cyclictest22464-21munin-node11:59:320
262989913715,31cyclictest13744-21cut08:14:050
262989913714,116cyclictest928-21needreboot07:34:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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