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2025-11-24 - 20:53
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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 Mon Nov 24, 2025 12:43:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140140ksoftirqd/01258-21kworker/0:006:52:490
14991350watchdog/08439-21aten2.4_r3power10:28:120
14991270watchdog/02996-21runrttasks12:10:450
14991240watchdog/0732-21aten2.4_r3power11:48:130
14991240watchdog/024763-21munin-node11:23:050
14991210watchdog/026368-21mailstats11:27:490
14991190watchdog/012293-21latency_hist12:27:370
14991180watchdog/017972-21chrt10:58:290
2435501150irq/11-eth019198-21kernelversion09:18:100
14991150watchdog/023436-21ntp_offset09:32:560
2435501070irq/11-eth025531-21timerandwakeup07:53:190
2435501060irq/11-eth017007-21latency_hist09:12:360
838501040irq/14-ide015862-21awk07:23:080
2435501010irq/11-eth021825-21df09:27:540
243550970irq/11-eth02996-21runrttasks11:04:060
83850950irq/14-ide020137-21munin-node07:37:530
243550950irq/11-eth027039-21munin-node07:58:160
779929412sleep07804-21which12:12:470
1499940watchdog/012530-21df10:42:520
1499920watchdog/04686-21runrttasks10:17:360
1499910watchdog/07735-21latency_hist10:27:360
83850900irq/14-ide032605-21df08:17:530
243550900irq/11-eth014923-21seq07:20:470
1254329011sleep012611-21uptime08:57:550
243550890irq/11-eth024254-21runrttasks11:19:210
1499890watchdog/08187-21unixbench_singl08:43:000
1499890watchdog/030858-21latency_hist11:42:370
1499890watchdog/021687-21munin-node11:13:210
1125928911sleep011303-21munin-node08:53:030
642928820sleep06444-21ntp_offset08:37:530
1499880watchdog/03155-21munin-node11:57:530
1499880watchdog/030883-21sort08:12:360
243550860irq/11-eth030483-21runrttasks09:54:430
243550860irq/11-eth016484-21runrttasks09:08:490
243550860irq/11-eth015270-21runrttasks09:06:420
1499860watchdog/032761-21df_inode10:02:560
7278988512cyclictest19042-21aten2.4_r3power07:33:020
1499840watchdog/030954-21munin-node09:57:560
1499840watchdog/02133-21munin-node08:23:080
7278988314cyclictest20143-21munin-node09:23:210
7278988313cyclictest9563-21aten2.4_r3power10:32:560
7278988312cyclictest9749-21iostat08:48:000
1499830watchdog/02996-21runrttasks08:28:120
1499830watchdog/026272-21cat09:42:360
7278988213cyclictest28303-21aten2.4_r3power08:03:030
7278988212cyclictest10881-21munin-node10:37:480
1499820watchdog/013975-21munin-node10:48:200
7278988114cyclictest24998-21aten2.4_r3power09:37:560
7278988112cyclictest23956-21munin-node07:48:160
7278988111cyclictest16199-21aten2.4_r3power10:53:150
1499810watchdog/05878-21runrttasks12:05:370
7278988012cyclictest22576-21aten2.4-expect07:43:200
1499800watchdog/02996-21runrttasks11:56:210
7278987913cyclictest9069-21munin-node07:02:540
7278987912cyclictest8207-21sed06:58:140
7278987912cyclictest28709-21cstates11:33:200
7278987912cyclictest28551-21cpuspeed09:48:160
7278987911cyclictest1762-21df10:07:540
7278987812cyclictest20580-21aten2.4_r3power11:08:020
7278987812cyclictest17493-21aten2.4_r3power07:28:030
1499780watchdog/010061-21munin-node12:18:170
1051627811sleep010589-21latency_hist07:07:370
7278987712cyclictest5099-21sed08:33:020
7278987712cyclictest3159-21munin-node10:12:550
7278987712cyclictest30948-21munin-node08:13:200
7278987512cyclictest31196-21cpu11:42:590
7278987413cyclictest12713-21nfs_client07:13:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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