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2026-07-11 - 15:49
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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 Sat Jul 11, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140140ksoftirqd/022076-21kworker/0:207:04:360
14991310watchdog/028479-21mailstats10:49:480
14991280watchdog/011463-21munin-node11:40:000
14991260watchdog/04022-21munin-node07:44:560
14991250watchdog/05294-21munin-node11:20:200
14991240watchdog/031652-21apt-get10:59:520
14991240watchdog/027822-21cstates09:00:200
14991240watchdog/020370-21seq08:37:080
14991230watchdog/09993-21munin-node08:04:480
14991220watchdog/022184-21runrttasks08:44:280
14991220watchdog/013320-21aten2.4-expect08:14:560
14991190watchdog/030870-21expr10:55:200
14991190watchdog/02792-21runrttasks11:38:560
14991180watchdog/026359-21seq07:12:320
14991150watchdog/02792-21runrttasks08:19:560
14991150watchdog/02334-21idleruntime07:39:520
14991140watchdog/023655-21munin-node07:05:120
14991140watchdog/014807-21munin-node11:50:000
14991130watchdog/029187-21sh07:20:200
14991130watchdog/02792-21runrttasks12:02:400
14991130watchdog/021526-21latency10:25:200
2234501120irq/11-eth026746-21munin-node07:14:480
14991120watchdog/06157-21munin-node07:50:200
14991120watchdog/024443-21aten2.4_r3power12:20:120
14991110watchdog/08408-21munin-node09:44:480
14991110watchdog/01149-21aten2.4_r3power07:35:040
14991090watchdog/0540-21runrttasks07:34:240
14991090watchdog/05335-21munin-node09:34:520
14991090watchdog/029050-21vmstat09:05:080
14991090watchdog/016288-21ntp_offset11:54:560
2234501080irq/11-eth022632-21rt-features10:30:010
14991080watchdog/08575-21grep11:29:560
2234501070irq/11-eth025839-21munin-node08:55:020
14991070watchdog/027192-21munin-node10:45:000
14991070watchdog/022894-21needreboot08:45:080
14991070watchdog/019819-21kernelversion10:20:120
730210511sleep0620-21munin-node11:04:550
14991050watchdog/030012-21df07:24:560
14991050watchdog/020983-21df_inode12:10:000
14991040watchdog/018051-21unixbench_singl10:15:000
14991030watchdog/018055-21munin-node08:30:000
14991030watchdog/013345-21rt-features11:45:000
14991020watchdog/07087-21cpu11:25:000
806501000irq/14-ide023957-21df10:34:540
1499990watchdog/04104-21awk09:30:000
1499990watchdog/030663-21munin-node09:10:120
223450980irq/11-eth012236-21timerandwakeup09:55:190
1499980watchdog/027435-21needreboot12:30:080
1499960watchdog/06966-21sensors_temp09:39:520
1499950watchdog/04107-21gzip11:15:000
1499950watchdog/02269-21ntp_states11:09:520
80650900irq/14-ide025850-21nfs_client10:40:060
223450880irq/11-eth07658-21seq07:55:180
23400988412cyclictest3657-21latency_hist09:29:370
23400988312cyclictest16159-21munin-node08:25:050
223450820irq/11-eth011723-21runrttasks08:09:550
23400987913cyclictest22279-21mailstats12:14:480
23400987913cyclictest16771-21aten2.4_r3power10:10:150
23400987813cyclictest13263-21aten2.4_r3power09:59:580
23400987718cyclictest32542-21runrttasks09:15:450
223450770irq/11-eth0265832sleep012:28:110
1499770watchdog/010599-21aten2.4_r3power09:50:120
23400987613cyclictest24103-21aten2.4_r3power08:49:580
1499760watchdog/016007-21latency_hist10:09:360
80650750irq/14-ide0825-21df09:19:560
23400987512cyclictest8642-21munin-node07:59:550
23400987412cyclictest19162-21munin-node12:04:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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