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2025-12-19 - 13:31
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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 Fri Dec 19, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140190ksoftirqd/021253-21kworker/0:119:08:450
302959814263cyclictest24337-21munin-node20:35:040
302959813457cyclictest25989-21df00:09:560
302959813354cyclictest30736-21aten2.4_r3power20:54:570
302959813165cyclictest1646-21nfs_client22:50:070
302959813064cyclictest28191-21sendmail_mailqu22:30:200
302959812963cyclictest9384-21runrttasks23:15:070
302959812956cyclictest12003-21munin-node19:55:010
302959812857cyclictest28867-21latency_hist20:49:370
302959812759cyclictest18921-21timerandwakeup20:15:190
302959812567cyclictest8529-21runrttasks23:12:560
302959812565cyclictest16213-21runrttasks20:07:110
302959812561cyclictest405-21cstates22:45:200
302959812560cyclictest22757-21munin-node23:59:500
302959812556cyclictest26035-21df22:24:550
302959812552cyclictest30665-21df19:09:540
302959812474cyclictest17352-21egrep20:10:180
302959812469cyclictest1556-21nfs_client00:35:060
302959812464cyclictest10468-21munin-node19:49:490
302959812460cyclictest26438-21nfs_client20:40:080
302959812459cyclictest9395-21nfs_client19:45:050
302959812365cyclictest32563-21nfs_client19:15:050
302959812362cyclictest10353-21latency_hist21:34:370
302959812361cyclictest24877-21needreboot22:20:100
302959812354cyclictest15339-21df_inode23:35:030
302959812268cyclictest22235-21runrttasks23:56:300
302959812265cyclictest31117-21aten2.4-expect00:25:110
302959812261cyclictest21725-21nfs_client20:25:070
302959812172cyclictest29336-21sh22:35:030
302959812169cyclictest10954-21nfs_client21:35:080
302959812164cyclictest16827-21sh21:54:560
302959812161cyclictest15516-21nfs_client21:50:060
302959812159cyclictest4931-21aten2.4_r3power19:30:100
302959812157cyclictest24861-21needreboot00:05:120
302959812077cyclictest18147-21open_inodes23:44:480
302959812069cyclictest23510-21sh20:30:150
302959812063cyclictest1646-21nfs_client19:20:040
302959812062cyclictest2682-21munin-node21:09:490
302959812060cyclictest20406-21cpuspeed20:20:160
302959812058cyclictest7409-21mailstats19:39:470
302959812057cyclictest13723-21aten2.4_r3power23:29:560
302959811970cyclictest5807-21open_inodes23:04:490
302959811970cyclictest2943-21swap19:24:540
302959811965cyclictest20388-21aten2.4-expect22:05:160
302959811963cyclictest3019-21runrttasks21:41:480
302959811962cyclictest13557-21munin-node19:59:470
302959811961cyclictest16606-21mailstats23:39:480
302959811958cyclictest32602-21kernelversion00:30:110
302959811956cyclictest14919-21runrttasks21:49:330
14991190watchdog/06174-21unixbench_singl21:20:020
302959811864cyclictest3019-21runrttasks23:24:570
302959811863cyclictest3019-21runrttasks20:50:000
302959811861cyclictest22636-21latency_hist22:14:370
302959811860cyclictest4645-21runrttasks23:00:020
302959811857cyclictest2936-21cpu22:55:000
302959811852cyclictest1249-21munin-node21:04:550
302959811765cyclictest32586-21nfs_client21:00:070
302959811763cyclictest3019-21runrttasks23:20:330
302959811759cyclictest18795-21aten2.4-expect22:00:110
302959811758cyclictest30151-21runrttasks00:23:030
302959811756cyclictest30747-21cpu22:39:590
302959811662cyclictest7947-21kernelversion21:25:110
302959811659cyclictest6251-21awk19:35:020
302959811659cyclictest5676-21latency_hist21:19:380
302959811656cyclictest27453-21munin-node00:14:510
302959811656cyclictest23864-21runrttasks22:17:010
302959811571cyclictest19910-21egrep23:50:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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