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2026-05-07 - 13:34
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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 May 07, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/06117-21kworker/0:019:04:090
235849815112cyclictest31951-21nfs_client23:04:280
14991390watchdog/02792-21runrttasks23:14:120
14991350watchdog/025777-21sh19:14:200
14991320watchdog/02792-21runrttasks20:47:480
14991290watchdog/09906-21mailstats23:39:080
2234501140irq/11-eth012937-21sendmail_mailtr23:49:060
806501110irq/14-ide011738-21df_inode21:59:200
2234501080irq/11-eth09724-21idleruntime-cro23:38:560
14991060watchdog/06689-21latency_hist21:43:560
14991050watchdog/017753-21awk22:19:120
14991030watchdog/021529-21chrt00:14:400
14991030watchdog/01832-21runrttasks21:27:280
14991020watchdog/016271-21aten2.4_r3power22:14:160
14991010watchdog/06984-21aten2.4_r3power23:29:160
14991010watchdog/022598-21rt-features20:49:200
806501000irq/14-ide02297-21df19:44:120
1499990watchdog/023800-21mailstats00:24:080
1499990watchdog/0232842sleep000:21:120
80650980irq/14-ide025459-21df20:59:140
23584989512cyclictest19423-21cpu20:39:170
1499950watchdog/016489-21chrt23:59:240
223450940irq/11-eth028959-21needreboot22:54:290
1499940watchdog/03742-21munin-node19:49:080
223450930irq/11-eth023790-21munin-node20:54:420
1499930watchdog/014864-21unixbench_singl22:09:200
1499910watchdog/02792-21runrttasks22:44:360
1499890watchdog/07171-21unixbench_singl21:44:200
1499890watchdog/02792-21runrttasks20:21:400
1499870watchdog/02930-21latency21:29:360
23584988611cyclictest30656-21aten2.4_r3power21:14:350
23584988513cyclictest14775-21aten2.4-expect20:24:160
1499850watchdog/01009-21grep19:39:200
23584988412cyclictest13020-21mailstats22:04:070
1499840watchdog/024698-21cstates19:09:400
23584988312cyclictest27379-21nfs_client22:49:250
23584988214cyclictest4178-21nfs_client23:19:250
23584988213cyclictest27050-21aten2.4_r3power00:34:150
23584988212cyclictest2792-21runrttasks00:12:320
1499820watchdog/019041-21apt20:38:560
23584988113cyclictest991-21chrt23:09:210
23584988113cyclictest26154-21aten2.4_r3power00:29:400
23584988113cyclictest15005-21nfs_client23:54:270
23584988112cyclictest30496-21nfs_client22:59:270
1499810watchdog/010283-21grep20:09:200
23584988013cyclictest27674-21latency21:04:380
23584988012cyclictest11768-21unixbench_singl23:44:200
23584987913cyclictest20968-21awk22:29:190
23584987913cyclictest17997-21aten2.4_r3power00:04:210
23584987912cyclictest192472sleep022:24:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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