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2026-04-21 - 15:57
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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 Tue Apr 21, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140210ksoftirqd/011491-21kworker/0:007:05:140
143429815412cyclictest23392-21aten2.4_r3power11:05:410
143429815312cyclictest7011-21latency_hist11:59:580
14991320watchdog/02792-21runrttasks10:54:320
14991290watchdog/015471-21aten2.4-expect12:25:360
14991280watchdog/022041-21runrttasks11:02:120
15219211612sleep015232-21forks08:55:220
2234501110irq/11-eth013058-21runrttasks10:34:310
25960210512sleep025571-21munin-node11:15:220
14991050watchdog/029017-21awk09:40:200
14991050watchdog/020180-21latency10:55:400
806501040irq/14-ide02318-21latency_hist08:14:570
14991040watchdog/06120-21munin-node08:25:280
806501020irq/14-ide024251-21df09:25:130
14991020watchdog/02792-21runrttasks08:46:120
14991010watchdog/024236-21df07:40:160
2234501000irq/11-eth01408-21nfs_client09:55:270
223450990irq/11-eth014595-21munin-node07:10:180
1499980watchdog/023679-31mktexlsr07:37:360
1499960watchdog/07295-21uptime08:30:160
1499960watchdog/020642sleep011:43:200
223450920irq/11-eth0113352sleep010:27:570
1499910watchdog/0639-21runrttasks08:08:520
1499900watchdog/028395-21runrttasks11:23:440
1499890watchdog/025947-21df_inode07:45:200
1499860watchdog/0252152sleep011:13:000
1499850watchdog/018262-21needreboot07:20:280
14342988512cyclictest32211-21nfs_client11:35:270
80650840irq/14-ide06941-21latency_hist10:14:560
1499840watchdog/09486-21cstates08:35:400
14342988412cyclictest4614-21cut08:20:280
290928212sleep02969-21nfs_client10:00:250
1499820watchdog/021278-21df_inode09:15:200
14342988213cyclictest13557-21df_inode08:50:190
14342988212cyclictest8584-21latency_hist10:19:570
1499810watchdog/011551-21wc12:14:560
14342988113cyclictest13907-21aten2.4_r3power12:20:340
14342988112cyclictest29123-21unixbench_singl07:55:200
14342988112cyclictest2792-21runrttasks11:46:530
14342988112cyclictest19698-21nfs_client07:25:250
80650800irq/14-ide016321-21seq10:45:040
3022228011sleep030239-21munin-node11:30:070
1499800watchdog/018521-21cpuspeed12:35:360
14342988013cyclictest22225-21sort07:34:560
14342988012cyclictest3954-21munin-node11:50:100
14342987913cyclictest31781-21munin-node09:50:210
14342987913cyclictest27157-21mailstats09:35:070
14342987912cyclictest5786-21df_inode11:55:240
14342987912cyclictest29062-21unixbench_singl11:25:210
223450780irq/11-eth030464-21aten2.4_r3power09:45:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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