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2026-03-09 - 21:17
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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: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack3slot7.osadl.org (updated Mon Mar 09, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140130ksoftirqd/028346-21kworker/0:107:03:050
14991310watchdog/05431-21munin-node07:29:450
14991310watchdog/03773-21aten2.4_r3power10:50:050
14991300watchdog/032390-21df08:54:370
14991290watchdog/026558-21nfs_client08:34:490
14991270watchdog/015848-21kernelversion09:44:530
2460501080irq/11-eth012420-21df_inode11:19:440
2460501030irq/11-eth0534-21sort10:40:020
14991020watchdog/05803-21seq10:58:570
2460501010irq/11-eth031771-21df07:09:370
14991010watchdog/09088-21munin-node09:24:370
14991000watchdog/07237-21sendmail-mta11:03:050
14991000watchdog/01542-21aten2.4-expect10:44:410
1499990watchdog/09422-21unixbench_singl11:09:450
246050980irq/11-eth019920-21if_eth011:44:330
246050980irq/11-eth014128-21unixbench_singl07:54:460
1499980watchdog/026801-21timerandwakeup10:20:010
1499980watchdog/0141412sleep011:24:490
246050970irq/11-eth028560-21chrt08:40:160
246050970irq/11-eth026980-21seq12:05:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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