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2026-06-25 - 15:47
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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 50 highest latencies:
System rack3slot7.osadl.org (updated Thu Jun 25, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140170ksoftirqd/027372-21kworker/0:107:00:580
14991330watchdog/02792-21runrttasks11:30:520
14991290watchdog/017884-21cstates09:56:240
14991270watchdog/02792-21runrttasks08:07:520
14991240watchdog/026506-21munin-node10:26:000
14991220watchdog/011089-21aten2.4_r3power09:36:000
2234501120irq/11-eth013099-21aten2.4_r3power07:56:160
806501090irq/14-ide08179-21unixbench_singl09:26:060
2234501050irq/11-eth032465-21mailstats12:30:530
806501020irq/14-ide04563-21cron09:15:400
2234501020irq/11-eth012789-21sensors_fan11:26:060
14991020watchdog/029379-21munin-node10:36:240
14991010watchdog/025127-21unixbench_singl10:21:040
2234501000irq/11-eth029043-21munin-node07:05:460
14991000watchdog/02792-21runrttasks10:31:560
1499990watchdog/07026-21timerandwakeup07:36:240
1499990watchdog/06120-21latency_hist09:20:400
1499970watchdog/08544-21interrupts07:41:200
1499960watchdog/021653-21munin-node10:11:200
80650950irq/14-ide013823-21latency_hist09:45:420
1499950watchdog/023434-21runrttasks10:16:000
80650940irq/14-ide018907-21df_inode10:01:030
1499940watchdog/07386-21seq11:08:480
1499930watchdog/018818-21df_inode11:46:040
223450900irq/11-eth029406-21munin-node08:50:510
223450900irq/11-eth023665-21nfs_client12:01:100
1499880watchdog/027621-21chrt12:15:240
1499870watchdog/021999-21unixbench_singl11:56:040
223450860irq/11-eth01925-21head10:51:070
1499860watchdog/0649-21chrt07:16:280
28854988512cyclictest31101-21df10:40:590
1499850watchdog/032021-21seq12:28:240
28854988412cyclictest25227-21aten2.4_r3power08:36:070
1499840watchdog/05411-21timerandwakeup11:01:200
1499840watchdog/032717-21aten2.4_r3power09:01:000
1499830watchdog/031018-21unixbench_singl07:11:040
1499830watchdog/02792-21runrttasks11:11:080
28854988212cyclictest24047-21missed_timers08:31:220
223450820irq/11-eth01583-21awk07:21:030
1499820watchdog/017728-21sh08:11:160
28854988113cyclictest28850-21munin-node12:20:500
28854988112cyclictest20329-21cpu11:51:030
28854988112cyclictest13992-21munin-node08:00:500
28854988012cyclictest20117-21munin-node10:06:180
28854987914cyclictest22413-21runrttasks08:26:200
28854987912cyclictest20563-21unixbench_singl08:21:060
28854987815cyclictest4380-21latency_hist07:30:420
28854987812cyclictest18774-21df08:15:570
1499780watchdog/017727-21wc11:41:200
28854987714cyclictest31853-21aten2.4-expect08:56:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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