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2026-05-23 - 17:49
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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 May 23, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140140ksoftirqd/08969-21kworker/0:107:03:050
14991350watchdog/07764-21aten2.4_r3power10:18:310
14991290watchdog/02792-21runrttasks07:55:150
14991250watchdog/0284222sleep011:26:590
14991240watchdog/021318-21df_inode09:18:150
14991210watchdog/019234-21runrttasks10:57:350
14991200watchdog/030811-21nfs_client08:03:230
14991200watchdog/02792-21runrttasks07:19:030
14991200watchdog/015173-21munin-node08:58:150
14991200watchdog/010849-21aten2.4_r3power10:28:310
14991200watchdog/010036-21latency_hist10:27:510
14991180watchdog/0169792sleep010:48:270
14991170watchdog/02792-21runrttasks12:36:070
14991170watchdog/015090-21munin-node12:28:150
14991170watchdog/013620-21sed10:38:150
14991160watchdog/07683-21aten2.4-expect12:03:270
2234501060irq/11-eth01898-21runrttasks11:45:030
806501010irq/14-ide01024-21seq09:58:100
30910210111sleep030958-21latency11:33:340
223450980irq/11-eth012240-21munin-node10:33:240
223450950irq/11-eth032352-21needreboot09:53:260
2634729412sleep026403-21munin-node09:33:360
223450920irq/11-eth014822-21egrep07:13:130
1499920watchdog/030014-21runrttasks08:01:510
1499910watchdog/013250-21aten2.4_r3power07:08:110
223450900irq/11-eth015252-21nfs_client10:43:220
1499900watchdog/02792-21runrttasks12:17:350
1499900watchdog/02792-21runrttasks08:41:310
1499890watchdog/019982sleep008:15:230
80650880irq/14-ide06974-21munin-run08:32:510
1499880watchdog/023206-21aten2.4_r3power07:38:270
223450860irq/11-eth06940-21munin-run10:17:520
1499860watchdog/018372-21aten2.4_r3power07:23:310
12781988413cyclictest19580-21df10:58:090
1499830watchdog/022417-21idleruntime-cro07:37:510
1499830watchdog/014154-21seq12:23:590
12781988311cyclictest24227-21df09:28:090
223450820irq/11-eth03368-21runrttasks10:03:510
223450810irq/11-eth012777-21cyclictest08:18:190
12781988129cyclictest31162-21runrttasks09:48:530
12781988113cyclictest4712-21aten2.4_r3power08:23:300
1499800watchdog/02792-21runrttasks11:16:030
1499800watchdog/020286-21cstates09:13:350
12781988013cyclictest25632-21munin-node07:48:110
12781988013cyclictest22445-21latency_hist11:07:530
12781987913cyclictest11661-21munin-node12:18:030
12781987912cyclictest7264-21seq08:33:110
12781987912cyclictest28826-21df09:43:090
12781987912cyclictest2367-21mailstats11:48:020
223450780irq/11-eth027039-21latency_hist11:22:520
1499780watchdog/06051-21uname11:58:230
12781987815cyclictest20643-21latency_hist07:32:520
12781987813cyclictest3934-21munin-node11:53:120
12781987813cyclictest24119-21mailstats07:43:030
12781987812cyclictest8983-21sensors_fan12:08:150
12781987812cyclictest13267-21munin-node08:53:320
1499770watchdog/032084-21awk11:38:150
1499770watchdog/016680-21awk09:03:150
12781987714cyclictest4051-21sed10:08:050
12781987713cyclictest32370-21tr08:08:240
1499760watchdog/02792-21runrttasks11:29:470
12781987612cyclictest10834-21aten2.4_r3power08:43:270
12781987528cyclictest27341-21uptime09:38:100
12781987513cyclictest20946-21munin-node11:03:270
12781987513cyclictest18370-21nfs_client09:08:220
12781987412cyclictest11915-21munin-node08:48:110
12781987312cyclictest22524-21munin-node09:23:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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