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2026-06-21 - 14:58
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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 highest latencies:
System rack3slot7.osadl.org (updated Sun Jun 21, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/07288-21kworker/0:007:01:110
14991320watchdog/032585-21cat09:56:170
14991320watchdog/019847-21munin-node07:31:210
14991290watchdog/05143-21needreboot11:56:290
14991280watchdog/025530-21aten2.4_r3power11:16:410
14991270watchdog/04320-21runrttasks11:55:050
14991250watchdog/06920-21runrttasks08:31:410
14991250watchdog/01859-21unixbench_singl10:01:250
14991210watchdog/02731-21chrt08:19:210
14991210watchdog/023514-21unixbench_singl07:41:210
14991190watchdog/016361-21runrttasks07:19:050
14991180watchdog/029958-21aten2.4_r3power08:01:330
14991180watchdog/018771-21df_inode10:56:210
14991150watchdog/03499-21sh10:06:250
14991150watchdog/030821-21munin-node09:51:370
7987211412sleep08040-21unixbench_singl10:21:200
14991140watchdog/030837-21munin-node08:06:290
14991140watchdog/015675-21df_inode09:01:210
14991130watchdog/09232-21mailstats12:11:090
14991130watchdog/02792-21runrttasks11:38:130
2234501120irq/11-eth025619-21runrttasks09:32:130
14991120watchdog/02792-21runrttasks11:12:450
14991120watchdog/02792-21runrttasks08:37:370
14991120watchdog/025711-21runrttasks07:47:490
14991120watchdog/015720-21unixbench_singl12:31:210
14991110watchdog/029833-21nfs_client09:46:290
14991110watchdog/02792-21runrttasks09:16:250
14991110watchdog/01027-21runrttasks08:13:250
14991100watchdog/028595-21cstates09:41:410
14991100watchdog/012037-21seq12:20:010
14991100watchdog/011823-21munin-node07:06:050
14991090watchdog/07210-21runrttasks10:18:090
14991090watchdog/0637-21timerandwakeup11:41:370
14991080watchdog/028200-21nfs_client11:26:250
14991060watchdog/012118-21seq10:35:330
14991050watchdog/017649-21aten2.4_r3power09:06:370
2234501030irq/11-eth017416-21aten2.4_r3power07:21:340
14991030watchdog/030159-21aten2.4_r3power11:31:410
14991030watchdog/012274-21munin-node12:21:090
806501020irq/14-ide017039-21df10:51:150
14991020watchdog/013620-21munin-node07:11:410
2234501000irq/11-eth02792-21runrttasks10:48:020
14991000watchdog/012667-21unixbench_singl08:51:210
223450980irq/11-eth014308-21stty10:41:250
80650970irq/14-ide026062-21latency_hist11:20:580
80650940irq/14-ide021464-21latency_hist07:35:590
11829988412cyclictest3049-21munin-node08:21:370
223450810irq/11-eth02792-21runrttasks11:49:450
11829988114cyclictest4804-21aten2.4_r3power08:26:170
993728011sleep09961-21timerandwakeup08:41:370
223450800irq/11-eth019768-21chrt09:14:590
223450800irq/11-eth014011-21df08:56:160
223450780irq/11-eth027345-21seq07:53:370
223450780irq/11-eth021636-21idleruntime11:06:100
11829987813cyclictest12591-21df_inode10:36:210
11829987812cyclictest23605-21nfs_client09:26:270
1499770watchdog/08033-21sed12:06:210
11829987714cyclictest6564-21runrttasks12:01:260
11829987713cyclictest20690-21processes11:01:350
11829987712cyclictest4632-21mailstats10:11:100
1499760watchdog/018569-21df_inode07:26:210
11829987613cyclictest10757-21munin-node08:46:340
1499750watchdog/014685-21aten2.4_r3power12:26:410
11829987513cyclictest9178-21latency_hist10:25:580
11829987414cyclictest27766-21munin-node07:56:170
11829987413cyclictest21568-21munin-node09:21:070
11829987312cyclictest26203-21munin-node09:36:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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