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2026-04-25 - 13:23
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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 50 highest latencies:
System rack3slot7.osadl.org (updated Sat Apr 25, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/028489-21kworker/0:219:04:570
14991440watchdog/016729-21aten2.4-expect23:15:180
14991300watchdog/021208-21nfs_client21:45:140
14991280watchdog/023441-21runrttasks21:52:380
14991270watchdog/028782-21df_inode20:25:060
14991250watchdog/013651-21if_err_eth021:20:140
14991250watchdog/011979-21nfs_client23:00:140
14991240watchdog/030342-21unixbench_singl00:00:060
14991240watchdog/01751-21runrttasks22:27:220
14991230watchdog/021357-21needreboot20:00:140
14991200watchdog/06828-21munin-node22:45:260
14991190watchdog/049502sleep020:52:420
14991190watchdog/03949-21aten2.4_r3power22:35:020
14991190watchdog/02792-21runrttasks21:36:580
14991170watchdog/02120-21mailstats00:14:540
14991170watchdog/013283-21munin-node19:35:020
14991150watchdog/09459-21runrttasks00:37:220
14991140watchdog/025581-21aten2.4_r3power22:00:020
14991130watchdog/012429-21runrttasks21:15:500
2234501120irq/11-eth02792-21runrttasks22:17:270
2234501060irq/11-eth014772-21ntp_offset21:25:010
2234501010irq/11-eth021580-21aten2.4_r3power23:30:250
223450990irq/11-eth02792-21runrttasks00:26:540
506829726sleep0282-21kswapd019:09:450
223450940irq/11-eth0440-21seq20:39:080
223450910irq/11-eth09067-21aten2.4_r3power22:50:210
223450900irq/11-eth014843-21df_inode23:10:030
223450890irq/11-eth017569-21latency_hist19:49:430
1499880watchdog/02792-21runrttasks22:09:300
1499880watchdog/01048-21unixbench_singl20:40:060
223450870irq/11-eth015969-21seq19:44:120
223450860irq/11-eth010643-21sh19:25:170
1499860watchdog/04679-21seq00:21:020
1499860watchdog/02792-21runrttasks20:06:420
1499850watchdog/014420-21munin-run23:09:420
1499850watchdog/00-21swapper20:45:180
1499840watchdog/0808-21stty00:10:020
1499830watchdog/025882-21nfs_client23:45:140
5097988213cyclictest6941-21df00:30:010
223450820irq/11-eth010375-21aten2.4_r3power21:10:080
5097988113cyclictest19367-21ntp_offset23:25:020
5097988112cyclictest31498-21sendmail_mailtr00:04:530
1499800watchdog/09126-21interrupts21:05:220
1499800watchdog/05606-21awk22:40:060
1499800watchdog/0206392sleep019:59:420
1499800watchdog/016420-21df_inode21:30:060
5097987913cyclictest8938-21nfs_client19:20:120
5097987913cyclictest23849-21mailstats23:39:560
5097987912cyclictest27121-21cpu23:50:040
1499790watchdog/032341-21sendmail_mailqu22:20:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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