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2026-06-25 - 09:23
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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 Thu Jun 25, 2026 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140130ksoftirqd/021944-21kworker/0:019:00:550
31789815015cyclictest29541-21grep20:30:430
14991330watchdog/06645-21swap22:46:020
14991310watchdog/04902-21sendmail_mailst00:25:540
14991280watchdog/023746-21df_inode20:11:060
14991280watchdog/012500-21seq19:35:180
14991270watchdog/06561-21runrttasks21:00:540
14991270watchdog/017321-21idleruntime23:20:540
14991260watchdog/022337-21aten2.4_r3power21:51:100
14991240watchdog/02792-21runrttasks20:56:260
806501110irq/14-ide05272-21awk19:11:070
2234501060irq/11-eth0410-21sed22:26:000
2234501060irq/11-eth023205-21runrttasks20:09:310
2234501050irq/11-eth07538-21seq00:33:260
2234501030irq/11-eth027162-21aten2.4_r3power22:06:170
14991030watchdog/011811-21aten2.4_r3power21:16:180
2234501010irq/11-eth018877-21mailstats19:55:530
2234501010irq/11-eth013427-21sort21:21:240
14991010watchdog/04102-21timerandwakeup22:36:220
14991010watchdog/017141-21cron21:35:420
1499990watchdog/018230-21runrttasks19:51:380
1499990watchdog/011797-21egrep23:01:220
1499960watchdog/031464-21cpu20:36:060
80650950irq/14-ide032575-21latency_hist22:25:430
223450940irq/11-eth010209-21aten2.4_r3power21:11:200
1499940watchdog/023648-21ntpq21:56:020
1499930watchdog/020018-21seq23:29:140
80650910irq/14-ide09656-21df22:56:000
80650910irq/14-ide014325-21df23:11:010
1499910watchdog/019978-21runrttasks21:43:340
1499900watchdog/09937-21df_inode19:26:060
3178988913cyclictest2792-21runrttasks23:46:270
1499890watchdog/02792-21runrttasks00:11:420
1499870watchdog/029859-21aten2.4_r3power20:31:020
1499870watchdog/025735-21cat22:01:220
3178988513cyclictest16229-21nfs_client19:46:120
1499850watchdog/08863-21cat21:06:260
1499850watchdog/03039-21seq20:48:500
3178988213cyclictest14887-21sh19:41:170
3178988213cyclictest14189-21munin-node21:26:010
3178988212cyclictest12617-21sendmail_mailtr23:05:520
1499820watchdog/025856-21missed_timers20:16:260
3178988113cyclictest20844-21nfs_client23:31:120
223450810irq/11-eth012771-21idleruntime19:35:550
494528011sleep04968-21mailstats22:40:540
3178988015cyclictest27078-21nfs_client20:21:110
3178988012cyclictest26941-21nfs_client23:51:100
3178988012cyclictest22163-21df_inode23:36:050
1499800watchdog/030650-21runrttasks00:02:540
3178987912cyclictest6527-21mailstats19:15:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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