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2025-10-22 - 16:49
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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 highest latencies:
System rack3slot7.osadl.org (updated Wed Oct 22, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/028651-21kworker/0:118:55:290
14991320watchdog/018753-21munin-node23:25:110
14991250watchdog/028021-21munin-node23:55:310
14991240watchdog/0151432sleep021:26:310
14991230watchdog/025158-21aten2.4_r3power23:45:070
14991230watchdog/024335-21runrttasks21:55:550
14991220watchdog/016729-21aten2.4_r3power19:45:070
14991200watchdog/012705-21missed_timers19:30:310
14991160watchdog/06374-21latency_hist20:59:470
14991160watchdog/022734-21aten2.4_r3power21:50:310
14991150watchdog/018665-21kernelversion19:50:230
14991150watchdog/011523-21runrttasks19:27:550
14991140watchdog/03807-21nfs_client22:35:190
14991120watchdog/027089-21kernelversion23:50:230
14991100watchdog/08169-21ntp_offset22:50:070
14991100watchdog/06094-21runrttasks20:58:110
14991090watchdog/032661-21sendmail_mailtr00:09:590
14991090watchdog/02996-21runrttasks21:40:550
14991090watchdog/029803-21runrttasks20:25:550
14991090watchdog/02263-21nfs_client20:45:150
14991070watchdog/09174-21unixbench_singl19:20:110
14991070watchdog/08411-21nfs_client21:05:150
14991070watchdog/013273-21cut21:20:270
2435501060irq/11-eth03409-21idleruntime00:20:040
14991050watchdog/07885-21latency_hist22:49:470
14991050watchdog/011076-21awk21:14:590
14991050watchdog/01069-21aten2.4_r3power22:25:310
14991040watchdog/043782chrt20:51:430
838501030irq/14-ide020424-21df23:30:050
14991030watchdog/07227-21cat19:14:470
14991030watchdog/02881-21df_inode19:00:110
838501020irq/14-ide016000-21df_inode21:30:100
14991020watchdog/021427-21awk20:00:110
14991010watchdog/017269-21grep21:34:590
14991010watchdog/011509-21nfs_client23:00:190
2435501000irq/11-eth026351-21pluginstate22:04:470
1499980watchdog/018631-21latency_hist23:24:470
2326989413cyclictest30469-21aten2.4_r3power22:15:320
243550930irq/11-eth027111-21aten2.4_r3power22:05:230
2326989215cyclictest31670-21needreboot22:20:190
2326989126cyclictest22371-21nfs_client23:35:180
243550900irq/11-eth031716-21kernelversion20:35:180
2326988712cyclictest5393-21nfs_client00:25:190
2326988612cyclictest9634-21df22:55:050
243550850irq/11-eth042282sleep019:04:590
2326988515cyclictest24181-21date20:09:480
243550830irq/11-eth02996-21runrttasks22:39:540
2326988314cyclictest1860-21df22:30:050
2326988213cyclictest20293-21munin-node21:45:060
2326988213cyclictest10167-21aten2.4_r3power21:10:260
2326988113cyclictest13679-21cpu19:35:080
2326988013cyclictest26471-21aten2.4_r3power20:15:260
2326988013cyclictest15085-21df19:40:080
2326987915cyclictest31748-21aten2.4-expect00:05:220
2326987913cyclictest28034-21munin-node22:09:590
2326987912cyclictest836-21aten2.4_r3power20:40:230
243550780irq/11-eth031026-21wc20:34:470
243550780irq/11-eth027394-21idleruntime20:20:020
1499780watchdog/024023-21aten2.4_r3power23:40:230
2326987713cyclictest24239-21munin-node20:10:150
2326987712cyclictest29795-21aten2.4_r3power00:00:090
2326987712cyclictest1738-21munin-node00:15:220
243550760irq/11-eth016708-21runrttasks23:16:370
2326987612cyclictest5934-21aten2.4_r3power19:10:060
2326987612cyclictest12765-21df23:05:060
2326987513cyclictest14339-21ntp_offset23:10:080
2326987413cyclictest20109-21nfs_client19:55:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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