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2026-06-19 - 02:20
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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 Jun 19, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140120ksoftirqd/030328-21kworker/0:019:01:180
14991270watchdog/06123-21df_inode20:31:310
14991250watchdog/012828-21aten2.4_r3power22:36:510
14991240watchdog/09625-21missed_timers00:11:510
14991230watchdog/031429-21seq20:07:030
14991220watchdog/09718-21cstates20:41:510
14991190watchdog/011234-21missed_timers20:46:510
14991180watchdog/017012-21unixbench_singl19:21:310
14991170watchdog/02792-21runrttasks19:17:430
14991160watchdog/02792-21runrttasks19:08:590
14991160watchdog/021181-21munin-node23:06:510
14991150watchdog/05628-21sh22:16:070
14991150watchdog/019907-21cpu23:01:310
14991140watchdog/06605-21cat22:16:510
14991140watchdog/05665-21cron20:31:070
14991140watchdog/027995-21aten2.4_r3power23:26:430
14991130watchdog/015304-21df_inode00:31:310
14991120watchdog/026597-21netstat19:51:470
14991120watchdog/016246-21runrttasks21:04:190
14991120watchdog/01409-21awk23:46:310
14991110watchdog/02748-21mailstats20:21:190
14991110watchdog/024524-21aten2.4_r3power21:31:270
14991100watchdog/021128-21sh19:36:070
14991090watchdog/028507-21chrt21:43:390
14991090watchdog/023613-21aten2.4-expect23:11:510
14991080watchdog/029095-21grep23:31:270
14991080watchdog/018002-21apt-get21:11:070
14991070watchdog/02792-21runrttasks23:00:350
14991070watchdog/022798-21munin-node19:41:470
10604210712sleep010628-21awk00:16:310
14991060watchdog/06253-21nfs_client00:01:390
14991060watchdog/02792-21runrttasks20:11:510
14991060watchdog/019923-21sh21:16:270
14991050watchdog/024799-21nfs_client19:46:350
14991050watchdog/021979-21runrttasks19:36:470
14991050watchdog/021930-21aten2.4-expect21:21:470
14991040watchdog/022962-21ntp_offset21:26:270
2234501030irq/11-eth08875-21munin-node22:26:190
2234501020irq/11-eth019554-21seq19:30:520
14991000watchdog/01615-21nfs_client20:16:350
1499990watchdog/03551-21aten2.4_r3power22:06:510
1499990watchdog/017362-21missed_timers22:51:510
809129411sleep07265-21munin-node00:06:510
1499940watchdog/012277-21awk20:51:310
11753989212cyclictest32668-21aten2.4-expect21:56:420
1499900watchdog/013430-21runrttasks00:26:150
223450890irq/11-eth013531-21mailstats20:56:180
1499880watchdog/07672-21grep22:21:310
11753988634cyclictest28968-21munin-node20:01:260
11753988413cyclictest10382-21munin-node22:31:200
11753988313cyclictest13650-21df19:11:230
11753988312cyclictest27427-21munin-node19:56:360
1393528111sleep013978-21expr22:41:360
1499800watchdog/02792-21runrttasks23:58:390
1499800watchdog/025690-21latency_hist23:21:070
11753987912cyclictest11904-21munin-node00:21:430
3271027812sleep0306-21cat23:41:510
223450780irq/11-eth026352-21nfs_client23:21:370
11753987818cyclictest1326-21aten2.4-expect22:01:260
223450770irq/11-eth031878-21sh21:56:070
223450770irq/11-eth030854-21open_files23:36:330
1499770watchdog/016263-21runrttasks22:49:470
11753987713cyclictest2908-21df_inode23:51:310
11753987713cyclictest18760-21aten2.4_r3power21:11:420
11753987627cyclictest29062-21df21:46:230
11753987613cyclictest8775-21latency_hist20:41:070
11753987415cyclictest26227-21unixbench_singl21:36:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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