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2026-03-11 - 08:42
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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 Wed Mar 11, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/06344-21kworker/0:018:59:280
14991340watchdog/023295-21munin-node21:24:470
14991330watchdog/028439-21nfs_client23:24:430
14991270watchdog/01599-21latency_hist21:59:150
14991240watchdog/011433-21nfs_client22:29:430
14991230watchdog/031454-21sh20:04:390
14991220watchdog/024973-21df23:14:310
823501040irq/14-ide012918-21nfs_client00:19:430
823501010irq/14-ide029624-21df19:59:310
2460501010irq/11-eth04998-21ntpq20:24:340
246050990irq/11-eth031679-21aten2.4_r3power23:34:520
1499990watchdog/016326-21timerandwakeup20:59:550
246050970irq/11-eth032209-21runrttasks21:52:300
1499970watchdog/017677-21nfs_client19:19:430
1499970watchdog/016219-21needreboot19:14:470
1499960watchdog/011881-21seq00:15:310
1499950watchdog/08109-21cpu22:19:350
1499940watchdog/024911-21if_eth021:29:270
1499930watchdog/03019-21runrttasks22:13:510
1499930watchdog/029421-21latency_hist21:44:150
2990129211sleep029917-21nfs_client23:29:440
1499920watchdog/022660-21aten2.4_r3power21:19:590
1499910watchdog/019188-21cut22:54:430
1499900watchdog/09302-21latency_hist20:39:150
1499900watchdog/017402-21awk22:49:390
246050890irq/11-eth03019-21runrttasks19:24:330
246050890irq/11-eth014558-21nfs_client20:54:420
246050890irq/11-eth014261-21df_inode00:24:370
1499890watchdog/023866-21expr19:39:430
1499890watchdog/020672-21aten2.4-expect21:14:390
12294988912cyclictest22273-21nfs_client19:34:430
246050880irq/11-eth03019-21runrttasks00:30:000
1499880watchdog/026772-21munin-node23:19:390
1499870watchdog/010024-21kernelversion20:39:470
82350860irq/14-ide029346-21latency_hist21:44:150
246050860irq/11-eth024408-21chrt23:11:530
1499860watchdog/01608-21munin-node23:44:230
1499860watchdog/013193-21aten2.4_r3power22:34:510
1499860watchdog/010872-21latency_hist22:29:150
1499850watchdog/03019-21runrttasks20:23:550
1499830watchdog/07031-21processes20:30:070
1499830watchdog/03298-21sshd23:49:310
1499830watchdog/016136-21needreboot22:44:510
82350820irq/14-ide024761-21latency_hist19:44:150
1499820watchdog/04809-21sed23:54:270
12294988211cyclictest14036-21mailstats22:39:230
246050810irq/11-eth032560-21munin-node21:54:420
1499810watchdog/09717-21unixbench_singl00:09:390
1499810watchdog/026298-21latency_hist19:49:150
12294988113cyclictest19135-21nfs_client21:09:450
12294988112cyclictest7926-21df00:04:300
1499800watchdog/03726-21nfs_client22:04:430
1499790watchdog/021091-21aten2.4-expect22:59:590
12294987928cyclictest6315-21munin-node22:14:240
12294987912cyclictest2318-21aten2.4_r3power20:14:490
12294987912cyclictest17617-21nfs_client21:04:430
12294987912cyclictest14924-21cstates19:09:570
12294987912cyclictest12817-21awk19:04:370
1499780watchdog/021152-21aten2.4_r3power19:29:590
12294987829cyclictest28157-21df19:54:330
1499770watchdog/07120-21cstates23:59:590
12294987712cyclictest32751-21munin-node23:39:330
12294987613cyclictest11328-21unixbench_singl20:44:390
12294987612cyclictest12583-21idleruntime20:49:270
12294987513cyclictest572-21aten2.4-expect20:09:410
12294987513cyclictest26393-21munin-node21:34:590
12294987511cyclictest22421-21aten2.4_r3power23:04:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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