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2026-03-30 - 17:54
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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 all highest latencies:
System rack3slot7.osadl.org (updated Mon Mar 30, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140160ksoftirqd/021588-21kworker/0:106:58:250
14991320watchdog/04427-21df09:28:140
14991290watchdog/010847-21unixbench_singl08:03:220
14991280watchdog/05292-21runrttasks07:44:140
14991270watchdog/021699-21open_files08:38:220
14991240watchdog/04439-21df11:13:140
14991230watchdog/015469-21unixbench_singl10:03:220
2460501090irq/11-eth013766-21egrep11:43:230
2460501030irq/11-eth09781-21missed_timers07:58:390
2460501010irq/11-eth020559-21aten2.4_r3power12:03:430
823501000irq/14-ide019606-21latency_hist08:32:580
14991000watchdog/04176-21wc11:12:580
82350990irq/14-ide016737-21df10:08:160
246050990irq/11-eth07929-21nfs_client07:53:260
246050990irq/11-eth017433-21seq08:23:390
1499990watchdog/0311-21munin-node10:58:380
1499980watchdog/07595-21aten2.4_r3power09:38:180
1499980watchdog/07274-21latency_hist07:52:580
1499980watchdog/015933-21missed_timers08:18:380
246050970irq/11-eth025623-21seq08:51:390
1499970watchdog/032461-21unixbench_singl09:13:220
246050960irq/11-eth023045-21cpu10:28:200
1499960watchdog/025243-21seq12:18:580
246050950irq/11-eth021656-21sh10:23:210
1499950watchdog/03019-21runrttasks11:30:220
1499950watchdog/03019-21runrttasks09:52:420
1499940watchdog/026014-21chrt08:53:100
246050920irq/11-eth026936-21sshd12:25:170
1499920watchdog/028659-21sendmail-mta12:31:500
1499920watchdog/012703-21munin-node08:08:340
1499910watchdog/03019-21runrttasks09:47:220
1499910watchdog/0192242sleep008:29:460
246050900irq/11-eth028255-21missed_timers10:43:400
246050900irq/11-eth025726-21ntpq07:08:110
1499890watchdog/027238-21mailstats07:13:100
246050880irq/11-eth02988-21cpu09:23:180
246050880irq/11-eth0119582sleep011:38:030
23842988428cyclictest13786-21ntp_offset08:13:160
23842988412cyclictest24287-21latency_hist08:47:570
1499840watchdog/018999-21cstates11:58:420
1499830watchdog/07296-21latency_hist09:37:580
246050820irq/11-eth020199-21grep10:18:280
23842988112cyclictest26512-21munin-node10:38:310
23842988030cyclictest30341-21grep07:23:090
23842988013cyclictest24627-21nfs_client07:03:270
23842988012cyclictest6698-21sh11:18:410
23842987926cyclictest17022-21sensors_fan11:53:230
23842987914cyclictest13881-21df_inode09:58:200
23842987911cyclictest30789-21cpu09:08:190
1499780watchdog/031929-21if_eth007:28:100
1499780watchdog/028767-21chrt09:02:060
1499780watchdog/012189-21munin-node09:53:140
23842987714cyclictest30624-21df10:53:140
23842987713cyclictest1398-21aten2.4-expect09:18:170
23842987712cyclictest1561-21aten2.4_r3power11:03:230
23842987711cyclictest10857-21aten2.4_r3power11:33:240
1499770watchdog/07852-21nfs_client11:23:260
23842987613cyclictest29001-21df_inode07:18:180
23842987613cyclictest24721-21grep10:33:210
23842987612cyclictest29612-21aten2.4_r3power10:48:320
23842987612cyclictest29048-21mailstats09:03:090
23842987612cyclictest23539-21latency12:13:390
1499760watchdog/021320-21sed12:08:140
23842987513cyclictest15799-21timerandwakeup11:48:420
23842987512cyclictest18544-21unixbench_singl10:13:200
1499750watchdog/03188-21iostat07:38:220
23842987413cyclictest1678-21nfs_client07:33:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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