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2026-06-28 - 04:11
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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 rackbslot4.osadl.org (updated Sun Jun 28, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1526399843,26cyclictest4555-21idleruntime-cro23:08:472
1526399807,68cyclictest28163-21diskmemload00:08:472
1526399807,68cyclictest28163-21diskmemload00:08:472
1526399785,67cyclictest0-21swapper/223:02:302
1526399785,67cyclictest0-21swapper/223:02:302
1526399772,68cyclictest2157-21/usr/sbin/munin19:39:162
1526399772,36cyclictest32677-21/usr/sbin/munin19:34:252
1526399772,36cyclictest32677-21/usr/sbin/munin19:34:252
1526399752,67cyclictest9658-21/usr/sbin/munin19:59:272
1526399752,31cyclictest582-21polkitd18:58:532
1526399736,61cyclictest0-21swapper/221:50:212
1526399733,64cyclictest21465-21/usr/sbin/munin19:04:182
1526399723,35cyclictest20050-21cat20:24:192
1526399722,64cyclictest4044-21/usr/sbin/munin19:44:222
1526399722,64cyclictest22751-21/usr/sbin/munin20:34:052
15263997214,52cyclictest28163-21diskmemload22:24:532
1526399715,60cyclictest4792-21timerandwakeup20:59:202
1526399712,63cyclictest28611-21sed22:14:092
1526399712,63cyclictest20618-21ssh22:04:042
1526399712,36cyclictest20878-21/usr/sbin/munin20:29:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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