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2026-04-27 - 09:42
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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 the highest latencies:
System rack3slot7.osadl.org (updated Mon Apr 27, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140120ksoftirqd/010607-21kworker/0:119:04:490
14991290watchdog/08561-21munin-node20:35:190
14991290watchdog/02792-21runrttasks20:28:350
14991280watchdog/024908-21df_inode23:14:590
14991260watchdog/028309-21chrt19:55:060
14991230watchdog/02792-21runrttasks20:48:510
14991220watchdog/032702-21df_inode20:09:590
14991220watchdog/022013-21aten2.4_r3power21:20:030
14991220watchdog/014279-21nfs_client00:25:070
14991210watchdog/030737-21ls20:04:340
14991210watchdog/023983-21missed_timers19:40:180
14991190watchdog/0308-21aten2.4_r3power23:40:030
14991190watchdog/015249-21runrttasks19:14:060
14991180watchdog/020017-21munin-node21:15:150
14991170watchdog/012575-21df_inode00:19:590
14991160watchdog/02792-21runrttasks00:03:510
14991160watchdog/015429-21open_inodes20:59:470
14991160watchdog/010829-21df00:14:550
14991150watchdog/018525-21munin-node19:25:180
806501130irq/14-ide016977-21df00:34:530
14991130watchdog/031073-21aten2.4_r3power20:04:540
14991130watchdog/02792-21runrttasks19:52:100
14991130watchdog/023620-21vmstat23:10:070
2234501110irq/11-eth028446-21timerandwakeup23:25:180
14991110watchdog/024685-21munin-node19:45:020
14991110watchdog/022046-21nfs_client23:05:070
14991110watchdog/017150-21cpu22:49:590
14991100watchdog/017624-21aten2.4_r3power19:20:100
2234501090irq/11-eth02792-21runrttasks20:51:350
2234501050irq/11-eth029905-21processes23:30:130
223450980irq/11-eth027181-21runrttasks21:36:070
80650880irq/14-ide013974-21df22:39:540
223450880irq/11-eth07031-21aten2.4_r3power20:30:190
13641988811cyclictest1935-21nfs_client20:15:050
13641988712cyclictest10127-21aten2.4-expect20:40:200
223450850irq/11-eth018840-21iostat22:55:000
1499850watchdog/013860-21tr20:54:470
1499850watchdog/012483-21aten2.4_r3power22:34:550
80650840irq/14-ide0308742chrt23:34:490
13641988413cyclictest31710-21aten2.4-expect21:50:210
13641988411cyclictest24696-21mailstats21:29:480
1499830watchdog/030367-21runrttasks21:46:550
13641988313cyclictest3956-21aten2.4_r3power20:20:210
13641988312cyclictest2094-21aten2.4_r3power23:45:130
13641988312cyclictest19147-21munin-node21:10:120
1499820watchdog/04766-21basename22:09:550
1499820watchdog/020308-21cpu19:29:580
13641988214cyclictest16952-21mailstats21:04:450
13641988213cyclictest10010-21missed_timers22:25:190
13641988113cyclictest6134-21mailstats22:14:470
13641988112cyclictest8038-21aten2.4_r3power00:05:010
13641988111cyclictest28019-21df_inode21:39:570
13641988013cyclictest23110-21munin-node21:24:490
13641988012cyclictest9675-21nfs_client00:10:050
13641988012cyclictest7768-21df22:19:530
13641988012cyclictest3205-21aten2.4_r3power23:49:550
13641988012cyclictest26664-21nfs_client23:20:070
13641988012cyclictest2042-21kernelversion22:00:100
13641987913cyclictest15421-21ntp_states00:29:500
13641987912cyclictest22232-21aten2.4_r3power19:35:090
13641987912cyclictest16072-21aten2.4_r3power19:15:100
13641987813cyclictest3784-21latency22:05:180
13641987813cyclictest15791-21aten2.4_r3power22:45:020
13641987812cyclictest11224-21nfs_client22:30:040
13641987728cyclictest32463-21df21:54:530
13641987712cyclictest4945-21munin-node23:55:020
13641987712cyclictest20645-21aten2.4-expect23:00:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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