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2025-12-23 - 22:51
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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 23, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140140ksoftirqd/027549-21kworker/0:107:09:190
14991230watchdog/016956-21munin-node09:59:440
14991210watchdog/04521-21latency_hist11:04:200
14991200watchdog/07385-21seq07:42:240
2460501180irq/11-eth019989-21munin-node11:54:370
2460501030irq/11-eth03019-21runrttasks11:29:400
2460501020irq/11-eth016639-21runrttasks11:43:020
2460501000irq/11-eth025046-21memory12:09:450
1499970watchdog/03019-21runrttasks11:11:320
1499970watchdog/027740-21mailstats12:19:280
1499950watchdog/030810-21latency_hist10:44:200
82350930irq/14-ide04625-21df07:34:380
1499930watchdog/031179-21cut07:14:480
1499920watchdog/032356-21latency_hist09:04:200
1499920watchdog/016896-21latency_hist09:59:200
1499920watchdog/014334-21nfs_client09:49:480
246050910irq/11-eth03019-21runrttasks11:19:390
246050910irq/11-eth03019-21runrttasks08:04:400
1499910watchdog/03019-21runrttasks08:50:560
1499910watchdog/01482-21munin-node10:54:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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