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2025-12-09 - 05:19
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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 Dec 09, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140220ksoftirqd/05524-21kworker/0:018:51:560
14991310watchdog/015464-21aten2.4_r3power23:37:090
14991300watchdog/010931-21nfs_client19:52:130
14991280watchdog/026240-21open_files18:57:090
14991260watchdog/027242-21runrttasks00:16:370
14991240watchdog/025177-21aten2.4_r3power00:07:250
14991220watchdog/08897-21mailstats23:16:530
14991220watchdog/016464-21latency_hist21:56:410
14991220watchdog/012653-21timerandwakeup21:42:210
14991210watchdog/027522-21df20:47:010
14991210watchdog/027357-21chrt22:31:450
14991200watchdog/023749-21seq20:33:210
14991190watchdog/02996-21runrttasks19:42:090
14991190watchdog/010751-21unixbench_singl21:37:050
14991180watchdog/02996-21runrttasks19:02:570
14991180watchdog/021841-21runrttasks23:57:170
22866211712sleep022924-21swap22:17:000
14991170watchdog/032473-21nfs_client22:47:090
14991160watchdog/02996-21runrttasks19:35:530
14991160watchdog/023255-21nfs_client00:02:130
14991160watchdog/01185-21runrttasks19:21:570
14991150watchdog/024847-21needreboot20:37:130
14991140watchdog/030948-21nfs_client20:57:130
14991140watchdog/018354-21stty23:47:010
14991130watchdog/02861-21sendmail-mta20:20:210
14991130watchdog/027326-21ls00:16:410
14991120watchdog/08797-21latency_hist21:31:410
14991110watchdog/030544-21cat19:11:530
14991090watchdog/011860-21ls23:26:410
14991060watchdog/07086-21chrt21:26:010
14991060watchdog/032311-21df_inode19:17:050
838501050irq/14-ide031869-21latency_hist21:01:410
2435501020irq/11-eth028986-21idleruntime20:51:550
243550970irq/11-eth03254-21uname22:57:150
243550970irq/11-eth016552-21munin-node21:56:520
83850960irq/14-ide022611-21latency_hist20:31:400
243550960irq/11-eth018308-21aten2.4_r3power22:02:010
243550950irq/11-eth029407-21nfs_client00:22:110
243550930irq/11-eth014447-21sshd20:03:040
243550890irq/11-eth05435-21runrttasks21:20:060
243550890irq/11-eth026606-21latency22:27:230
25569988712cyclictest30454-21munin-node22:42:080
243550870irq/11-eth02616-21cut19:26:420
1499840watchdog/08850-21munin-node19:47:010
1499840watchdog/017434-21aten2.4_r3power23:42:250
1499830watchdog/07585-21df_inode23:12:050
1499830watchdog/02996-21runrttasks19:08:570
25569988212cyclictest6256-21nfs_client19:37:100
25569988212cyclictest12619-21aten2.4_r3power19:57:190
25569988113cyclictest16792-21aten2.4_r3power20:12:020
25569988112cyclictest29333-21seq22:37:080
1499810watchdog/025868-21mailstats20:41:570
1499810watchdog/01561-21nfs_client21:07:130
25569987912cyclictest1625-21nfs_client22:52:120
25569987912cyclictest14996-21latency_hist20:06:410
25569987813cyclictest20346-21aten2.4_r3power20:22:190
25569987813cyclictest20172-21nfs_client23:52:120
25569987813cyclictest13482-21munin-node23:31:580
1499780watchdog/024273-21munin-node22:22:010
25569987713cyclictest6187-21sensors_fan23:07:070
25569987713cyclictest21724-21nfs_client22:12:120
25569987712cyclictest3107-21aten2.4_r3power21:12:070
25569987712cyclictest13729-21cpu21:47:020
25569987612cyclictest12365-21munin-node23:27:070
25569987611cyclictest19841-21munin-node22:06:590
1499760watchdog/08447-21sshd21:29:250
1499760watchdog/04149-21latency_hist23:01:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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