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2026-03-14 - 05:42
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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 all highest latencies:
System rack3slot7.osadl.org (updated Sat Mar 14, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140130ksoftirqd/011804-21kworker/0:118:59:140
14991400watchdog/08190-21df23:54:190
14991390watchdog/016373-21nfs_client19:04:310
14991280watchdog/020423-21latency_hist21:04:030
14991270watchdog/08731-21kernelversion20:24:350
14991250watchdog/06559-21latency_hist20:19:030
14991250watchdog/025671-21nfs_client19:34:310
14991240watchdog/02679-21sendmail_mailqu21:49:430
14991240watchdog/021963-21latency_hist21:09:030
14991240watchdog/015296-21runrttasks20:45:350
14991230watchdog/026633-21munin-node21:24:430
14991210watchdog/03019-21runrttasks22:21:590
14991210watchdog/03019-21runrttasks21:19:390
14991190watchdog/03019-21runrttasks20:42:150
14991180watchdog/03019-21runrttasks19:15:310
14991170watchdog/05760-21aten2.4-expect20:14:390
14991170watchdog/018839-21latency_hist22:44:030
14991160watchdog/032074-21latency19:54:430
14991160watchdog/029277-21runrttasks23:16:350
14991160watchdog/022569-21nfs_client19:24:310
14991150watchdog/029659-21cat23:19:030
14991150watchdog/020963-21nfs_client19:19:310
14991150watchdog/013427-21aten2.4-expect22:24:390
14991140watchdog/020349-21latency_hist00:34:030
14991130watchdog/03019-21runrttasks23:04:190
14991130watchdog/024853-21runrttasks19:32:510
14991120watchdog/0840-21nfs_client21:44:310
2460501110irq/11-eth020482-21mailstats22:49:130
14991110watchdog/031994-21latency23:24:430
14991100watchdog/016204-21sensors_fan00:19:270
2460501040irq/11-eth012103-21runrttasks00:05:120
2460501000irq/11-eth028987-21munin-node19:44:450
246050960irq/11-eth03019-21runrttasks20:10:500
82350940irq/14-ide026550-21latency_hist19:39:030
82350930irq/14-ide029863-21df19:49:210
246050880irq/11-eth011182-21cat20:34:040
1777928812sleep017802-21nfs_client00:24:300
1499880watchdog/018172-21latency20:54:430
1499870watchdog/031124-21runrttasks21:38:550
1499870watchdog/03019-21runrttasks22:55:590
1499870watchdog/01788-21latency_hist23:34:030
15612988613cyclictest3830-21unixbench_singl23:39:260
1499850watchdog/06801-21cpu22:04:230
1499850watchdog/024337-21munin-node21:14:430
246050840irq/11-eth04065-21grep21:54:350
1499840watchdog/015944-21df20:49:190
1499840watchdog/010110-21nfs_client22:14:310
15612988313cyclictest8554-21nfs_client22:09:320
1499830watchdog/09618-21wc20:29:030
1499820watchdog/01151-21latency19:59:430
15612988113cyclictest13090-21iostat00:09:250
15612988012cyclictest17898-21nfs_client19:09:300
1499800watchdog/09610-21munin-node23:59:270
15612987913cyclictest5382-21unixbench_singl23:44:260
15612987913cyclictest29601-21seq21:34:020
15612987813cyclictest19166-21cpu20:59:210
15612987812cyclictest5261-21wc21:59:240
15612987811cyclictest23596-21idleruntime22:59:150
15612987714cyclictest14245-21munin-node00:14:480
15612987712cyclictest16347-21nfs_client22:34:310
1499770watchdog/014926-21processes22:29:390
15612987613cyclictest17353-21munin-node22:39:420
15612987612cyclictest27248-21aten2.4_r3power23:09:340
15612987513cyclictest1917-21munin-node20:04:430
15612987413cyclictest31314-21mailstats21:39:140
15612987412cyclictest6520-21munin-node23:49:250
15612987412cyclictest2381-21nfs_client23:34:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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