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2026-03-31 - 13:03
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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 Tue Mar 31, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501990,0irq/46-4a1000002041-21runrttasks19:01:110
1507228811,0sleep015073-21fw_forwarded_lo21:11:420
7350850,0irq/45-4a1000006279-21df20:46:230
7350800,0irq/45-4a1000007997-21df22:26:240
7350800,0irq/45-4a1000004142-21seq19:06:320
7350800,0irq/45-4a10000024841-21latency_hist23:16:110
7350800,0irq/45-4a10000024096-21threads23:12:020
7450790,0irq/46-4a1000002498-1kworker/u3:023:51:340
7450790,0irq/46-4a1000002498-1kworker/u3:023:46:590
7350790,0irq/45-4a10000028367-21wget21:51:200
132032795,0sleep013206-21df_inode19:31:280
7450780,0irq/46-4a100000650-1kworker/u3:123:42:090
7450780,0irq/46-4a1000004994-1kworker/u3:022:21:450
7450780,0irq/46-4a100000460-21snmpd19:12:290
7450780,0irq/46-4a10000011440-21df_abs19:26:250
7350780,0irq/45-4a10000023790-21missed_timers21:36:520
7450770,0irq/46-4a1000007381-1kworker/u3:021:02:180
7450770,0irq/46-4a100000460-21snmpd20:17:550
7450770,0irq/46-4a10000021625-21cstates21:31:210
7450770,0irq/46-4a10000013277-21sshd22:41:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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