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2026-09-11 - 14:12
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack4slot2.osadl.org (updated Fri Sep 11, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745010700,0irq/46-4a1000003993-1kworker/u3:007:07:000
45069910468,0cyclictest13084-21sshd07:35:210
45069910377,0cyclictest14708-21df09:15:130
45069910375,0cyclictest9074-1kworker/u3:012:09:260
45069910275,0cyclictest11342-21df12:15:140
45069910269,0cyclictest4710-21fw_conntrack08:45:280
45069910177,0cyclictest13888-21runrttasks09:11:020
45069910170,0cyclictest5896-21tr11:59:580
45069910074,0cyclictest25130-1kworker/u3:209:47:140
45069910074,0cyclictest18414-21fw_conntrack11:00:290
45069910071,0cyclictest9368-21/usr/sbin/munin07:25:590
4506999980,0cyclictest13388-21irqstats12:20:340
4506999975,0cyclictest434-21runrttasks08:32:570
4506999970,0cyclictest23806-21runrttasks09:40:470
4506999876,0cyclictest28483-21diskstats09:55:200
4506999876,0cyclictest16409-21df07:45:140
4506999875,0cyclictest6262-21diskstats08:50:190
4506999875,0cyclictest1893-21users08:35:570
4506999875,0cyclictest13521-21ntpq10:45:440
4506999874,0cyclictest7905-21df10:30:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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