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2026-08-18 - 08:02
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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 Tue Aug 18, 2026 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140180ksoftirqd/021737-21kworker/0:118:57:430
14991270watchdog/013359-21aten2.4_r3power20:02:480
14991240watchdog/09020-21runrttasks19:48:400
14991230watchdog/02792-21runrttasks22:43:520
14991220watchdog/03243-21sh21:17:080
14991210watchdog/016546-21cstates21:57:520
14991200watchdog/015054-21seq23:38:080
14991190watchdog/027317-21cat22:32:520
14991180watchdog/02792-21runrttasks19:11:280
14991170watchdog/026545-21idleruntime00:17:240
14991170watchdog/011684-21head19:57:400
14991160watchdog/013028-21munin-node21:47:360
14991150watchdog/027941-21sh20:52:080
14991130watchdog/028884-21cstates22:37:520
14991130watchdog/025434-21nfs_client00:12:400
14991120watchdog/06434-21mailstats23:12:200
14991110watchdog/028873-21aten2.4_r3power00:22:520
14991110watchdog/028568-21awk20:52:400
14991110watchdog/015746-21munin-node20:12:320
14991100watchdog/017465-21df20:17:280
14991080watchdog/013924-21chrt23:36:320
2234501060irq/11-eth02177-21unixbench_singl19:27:330
14991060watchdog/06609-21df21:27:280
14991060watchdog/018289-21chrt23:49:280
14991050watchdog/0945-21runrttasks21:07:480
14991050watchdog/05004-21df23:07:240
14991050watchdog/02792-21runrttasks00:32:000
14991030watchdog/020684-21unixbench_singl23:57:360
14991020watchdog/025394-21iostat20:42:360
14991010watchdog/032007-21aten2.4_r3power22:47:520
14991000watchdog/015360-21sshd21:55:200
14991000watchdog/010903-21idleruntime-cro23:27:080
223450990irq/11-eth03736-21open_files23:02:350
1499990watchdog/0247692sleep022:26:440
1499980watchdog/01051-21cstates22:52:520
1499970watchdog/031621-21forks19:17:360
1499970watchdog/02941-21runrttasks23:00:040
1499970watchdog/010166-21aten2.4_r3power21:37:440
1499960watchdog/09840-21egrep19:52:320
1499930watchdog/08599-21aten2.4_r3power23:17:440
1499920watchdog/06945-21nfs_client19:42:360
80650890irq/14-ide015950-21df_inode23:42:320
223450890irq/11-eth021163-21missed_timers22:12:530
1499880watchdog/02792-21runrttasks22:20:000
1499860watchdog/06169-21runrttasks21:25:560
1499860watchdog/03897-21nfs_client21:17:400
1499860watchdog/03437-21open_inodes19:32:200
26313988512cyclictest32755-21grep19:22:190
1864628512sleep018655-21ls22:07:080
1499850watchdog/023663-21aten2.4_r3power20:37:280
1499850watchdog/011903-21aten2.4_r3power23:27:520
1499830watchdog/030220-21munin-node19:12:400
1499820watchdog/031681-21nfs_client21:02:360
1499820watchdog/027620-21seq19:04:080
26313988112cyclictest11405-21df_inode21:42:320
1499810watchdog/020193-21sh22:12:080
26313988013cyclictest19074-21cpu20:22:320
26313987912cyclictest21883-21mailstats00:02:210
26313987832cyclictest2792-21runrttasks20:57:320
26313987713cyclictest8647-21aten2.4_r3power21:32:440
26313987713cyclictest18745-21munin-node23:52:340
26313987613cyclictest14728-21nfs_client20:07:400
26313987612cyclictest25410-21nfs_client22:27:380
26313987612cyclictest22217-21df_inode20:32:330
2408527611sleep024140-21latency00:07:500
26313987520cyclictest6175-21runrttasks19:40:380
26313987512cyclictest20602-21cpu20:27:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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