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2025-12-09 - 23:01
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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 Tue Dec 09, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/02147-21kworker/0:106:51:530
14991290watchdog/02789-21sshd08:36:070
14991250watchdog/019763-21idleruntime10:26:510
14991250watchdog/011879-21latency_hist08:16:390
14991210watchdog/021315-21unixbench_singl07:02:030
14991200watchdog/07183-21runrttasks08:01:310
14991200watchdog/030317-21runrttasks09:16:150
14991200watchdog/027711-21nfs_client07:22:110
14991200watchdog/014873-21runrttasks08:26:190
14991190watchdog/07382-21cut08:01:510
14991170watchdog/018852-21runrttasks08:37:190
14991170watchdog/014048-21nfs_client11:52:070
14991160watchdog/030494-21munin-node09:16:590
14991150watchdog/04916-21cpuspeed09:37:150
14991150watchdog/027371-21latency_hist10:51:390
14991120watchdog/027058-21chrt10:49:510
2435501040irq/11-eth06261-21nfs_client11:27:100
83850930irq/14-ide021096-21latency_hist12:16:380
243550920irq/11-eth011028-21if_err_eth011:42:130
243550910irq/11-eth030807-21df_inode11:02:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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