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2026-03-14 - 23:54
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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 100 highest latencies:
System rack3slot7.osadl.org (updated Sat Mar 14, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/02074-21kworker/0:206:59:140
977798596583cyclictest0-21swapper07:51:180
14991320watchdog/024102-21latency_hist09:34:010
14991280watchdog/013743-21grep10:44:250
14991270watchdog/03019-21runrttasks07:48:330
14991270watchdog/010178-21df07:04:170
14991230watchdog/020699-21seq11:07:010
2460501050irq/11-eth010686-21unixbench_singl08:49:240
2460501040irq/11-eth04124-21munin-node08:29:410
823501010irq/14-ide021011-21latency_hist07:39:010
823501000irq/14-ide02417-21latency_hist11:54:010
648429812sleep06527-21cstates08:34:430
246050980irq/11-eth03019-21runrttasks09:23:380
1499980watchdog/030154-21runrttasks11:38:410
246050970irq/11-eth07264-21mailstats08:39:110
246050970irq/11-eth023182-21grep11:14:330
1499970watchdog/015892-21runrttasks10:50:330
1499970watchdog/013391-21munin-node08:59:410
1499960watchdog/06345-21timerandwakeup12:04:410
1499960watchdog/016721-21nfs_client07:24:290
246050950irq/11-eth06145-21nfs_client10:19:290
1499950watchdog/03019-21runrttasks09:56:170
1499940watchdog/09282-21tr10:29:330
1499930watchdog/09377-21munin-node08:44:330
1499920watchdog/027664-21unixbench_singl07:59:250
246050900irq/11-eth024185-21munin-node11:19:110
1499890watchdog/03019-21runrttasks11:58:490
1499890watchdog/016965-21nfs_client09:09:290
1499870watchdog/07781-21aten2.4_r3power12:09:330
1499870watchdog/01622-21head10:04:330
246050860irq/11-eth03019-21runrttasks11:10:130
246050860irq/11-eth018473-21aten2.4_r3power09:14:270
1499860watchdog/027521-21cpu09:44:210
1499860watchdog/014313-21chrt12:30:290
246050850irq/11-eth07754-21needreboot10:24:330
246050850irq/11-eth03019-21runrttasks11:01:300
1499850watchdog/030431-21mailstats08:09:130
2617828412sleep026208-21aten2.4-expect07:54:250
1499840watchdog/012358-21nfs_client08:54:290
1499830watchdog/03019-21runrttasks11:27:330
1499830watchdog/028948-21df08:04:170
246050820irq/11-eth03019-21runrttasks12:19:110
246050820irq/11-eth021612-21nfs_client07:39:300
1499820watchdog/03019-21runrttasks09:50:570
1499820watchdog/027348-21df11:29:170
9777988114cyclictest8704-21munin-node12:14:380
9777988113cyclictest21731-21aten2.4_r3power09:24:340
9777988013cyclictest13197-21latency_hist12:29:010
1499800watchdog/03019-21runrttasks12:01:370
1499800watchdog/011220-21runrttasks10:35:050
9777987913cyclictest30783-21nfs_client11:39:270
9777987911cyclictest32008-21df11:44:170
1499790watchdog/04261-21df10:14:170
149127912sleep01550-21grep08:19:300
9777987828cyclictest2548-21munin-node08:24:190
9777987827cyclictest26996-21runrttasks09:42:470
9777987814cyclictest882-21apt08:18:590
1499780watchdog/03069-21nfs_client10:09:290
9777987713cyclictest31889-21munin-node09:59:400
9777987713cyclictest17791-21munin-node07:29:200
9777987712cyclictest15632-21aten2.4-expect09:04:370
9777987712cyclictest14659-21munin-node07:19:340
9777987614cyclictest11510-21date07:09:010
1499760watchdog/024343-21sed09:34:170
9777987514cyclictest13402-21df_inode07:14:230
9777987512cyclictest16598-21df10:54:190
9777987413cyclictest11809-21munin-node10:39:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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