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2026-06-16 - 09:53
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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 Tue Jun 16, 2026 00:43:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140200ksoftirqd/05429-21kworker/0:019:05:420
146349815213cyclictest8922-21aten2.4-expect20:31:410
146349815013cyclictest5612-21seq23:51:320
146349814912cyclictest13589-21df_inode20:46:410
146349814811cyclictest30861-21nfs_client19:56:500
146349814713cyclictest19857-21df_inode19:21:430
146349814711cyclictest9175-21nfs_client22:16:490
146349814612cyclictest1195-21cpu20:06:430
2234501450irq/11-eth014580-21munin-node19:06:210
146349814513cyclictest5454-21idleruntime-cro22:06:190
146349814513cyclictest13529-21df_inode00:16:420
146349814512cyclictest27169-21munin-node23:16:310
146349814312cyclictest2792-21runrttasks19:49:570
146349814312cyclictest17183-21timerandwakeup19:12:010
146349814213cyclictest14999-21load00:21:370
146349814212cyclictest22659-21df23:01:380
146349814112cyclictest1578-21aten2.4_r3power23:36:560
146349814013cyclictest24841-21munin-node21:22:000
146349813913cyclictest4199-21grep23:46:370
146349813913cyclictest14714-21sendmail22:36:200
146349813713cyclictest21002-21munin-node22:57:000
146349813613cyclictest15072-21aten2.4_r3power20:51:390
146349813514cyclictest26378-21munin-node19:41:570
146349813513cyclictest21459-21aten2.4_r3power21:11:460
146349813412cyclictest32312-21nfs_client21:46:490
146349813314cyclictest2460-21munin-node21:56:280
146349813213cyclictest22804-21aten2.4_r3power19:31:380
146349812914cyclictest7852-21munin-node23:57:040
14991020watchdog/011245-21runrttasks20:37:550
14991010watchdog/02792-21runrttasks20:44:310
14991010watchdog/016713-21df_inode22:41:430
14991000watchdog/011040-21cut00:07:030
1499990watchdog/026216-21munin-node21:26:510
223450970irq/11-eth019659-21runrttasks22:51:390
1499970watchdog/017913-21munin-node00:31:310
1499970watchdog/012620-21munin-node22:27:030
1499960watchdog/08936-21df_inode00:01:430
80650950irq/14-ide028864-21df21:36:360
1499920watchdog/081722sleep022:13:230
1499920watchdog/02792-21runrttasks22:49:430
223450910irq/11-eth031048-21munin-node21:42:010
1499880watchdog/03356-21aten2.4_r3power23:42:030
1499870watchdog/024634-21nfs_client19:36:470
223450850irq/11-eth026049-21hostname23:11:460
1499820watchdog/011423-21seq22:24:430
14634988212cyclictest24071-21runrttasks23:06:270
14634988112cyclictest16639-21aten2.4_r3power20:56:380
14634988013cyclictest32356-21nfs_client20:01:510
14634988013cyclictest29195-21nfs_client23:21:490
14634988011cyclictest28092-21aten2.4_r3power21:32:040
1499790watchdog/019823-21df_inode21:06:430
14634987913cyclictest15253-21munin-node22:36:460
1499780watchdog/029827-21runrttasks19:53:270
14634987812cyclictest5602-21runrttasks20:21:270
14634987812cyclictest11926-21aten2.4_r3power00:11:380
1499770watchdog/04304-21aten2.4_r3power20:16:390
14634987731cyclictest23132-21awk21:16:490
14634987719cyclictest2792-21runrttasks22:06:590
14634987714cyclictest2792-21runrttasks00:29:100
14634987714cyclictest18904-21aten2.4_r3power19:17:170
14634987713cyclictest3018-21nfs_client20:11:490
14634987712cyclictest18005-21runrttasks21:01:310
223450760irq/11-eth030482-21aten2.4_r3power23:26:410
223450760irq/11-eth01247-21cut21:51:420
14634987612cyclictest7499-21rt-features20:26:430
14634987529cyclictest21198-21awk19:26:350
14634987412cyclictest31879-21munin-node23:31:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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