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2026-03-12 - 15:18
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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 Mar 12, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1710327140,5sleep017101-21sh07:13:300
172089915414,129cyclictest17479-21aten_r4power_cu12:13:420
172089915215,126cyclictest18129-21ls08:54:220
172089915115,125cyclictest14263-21seq08:43:470
172089914915,123cyclictest32327-21iostat_ios09:38:580
172089914915,123cyclictest11165-21sed11:53:460
172089914914,125cyclictest22520-21munin-node09:08:530
172089914814,124cyclictest11721-21switchtime10:14:220
172089914114,117cyclictest7571-21munin-node08:23:490
172089914114,117cyclictest24015-21cpu10:53:450
172089914015,115cyclictest3568-21runrttasks07:55:180
172089914014,60cyclictest17260-21seq07:13:410
172089914014,116cyclictest13195-21open_inodes10:19:150
172089913814,115cyclictest28962-21if_eth007:48:560
172089913714,59cyclictest29619-21timerandwakeup11:09:250
172089913714,113cyclictest3568-21runrttasks11:58:510
172089913615,56cyclictest4725-21fschecks_count11:33:510
172089913614,55cyclictest21335-21munin-node09:04:190
172089913614,35cyclictest2730-21munin-node09:49:190
172089913614,33cyclictest3568-21runrttasks10:05:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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