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2025-03-21 - 07:42
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Fri Mar 21, 2025 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151154280,0ktimers/063061sleep19:05:200
1514620,0ktimers/0327041sleep21:18:280
1514570,0ktimers/095651sleep22:11:150
73329945532,0cyclictest2318-21sort21:31:390
1514360,0ktimers/0147691sleep22:37:050
1514310,0ktimers/0197751sleep23:05:220
1514290,0ktimers/0234831sleep23:25:240
73329942536,0cyclictest22330-21munin-run23:20:190
530504180,0irq/11-sym53c8x130550irq/15-NE200020:00:440
733299410113,0cyclictest0-21swapper21:40:350
733299403104,0cyclictest15233-21tr19:51:410
73329940133,0cyclictest30245-21sed21:01:230
73329939535,0cyclictest13122-21sendmail19:40:190
73329939427,0cyclictest13865-21cat19:41:550
73329939132,0cyclictest26933-21munin-node20:46:150
73329938831,0cyclictest11504-21df19:31:030
73329938729,0cyclictest24828-21cat20:36:230
73329938528,0cyclictest19063-21munin-node20:11:230
73329938377,0cyclictest9071-21cron19:20:150
73329938080,0cyclictest9728-21needreboot19:21:520
73329938028,0cyclictest32322-21sed00:16:270
73329937929,0cyclictest28304-21munin-node23:56:590
73329937837,0cyclictest26555-21apt20:45:170
73329937760,0cyclictest7609-21awk19:11:110
73329937730,0cyclictest13532-21cat22:31:510
73329937695,0cyclictest771-21sed21:21:290
73329937532,0cyclictest0-21swapper21:55:190
73329937480,0cyclictest3550-21ntpd20:00:140
73329937431,0cyclictest791-21sh00:20:510
733299374105,0cyclictest31451-21sort21:10:430
73329937350,0cyclictest16896-21df_inode22:51:160
73329937332,0cyclictest24951-21cut23:36:110
73329937331,0cyclictest27747-21awk23:51:350
733299372111,0cyclictest29797-21cron21:00:150
73329937155,0cyclictest3531-21timerandwakeup00:36:510
73329937129,0cyclictest2370-21grep00:31:430
733299368113,0cyclictest5523-21cron21:50:150
73329936730,0cyclictest20826-21grep23:11:470
73329936729,0cyclictest24371-21chrt20:35:150
73329936631,0cyclictest18652-21chrt20:06:590
73329936629,0cyclictest11934-21nfs_client22:21:390
733299366103,0cyclictest3592-21needreboot21:36:510
73329936531,0cyclictest8475-21missed_timers22:01:590
73329936529,0cyclictest27251-21ls23:50:230
73329936529,0cyclictest20130-21ls20:15:270
733299365115,0cyclictest0-21swapper22:00:240
73329936434,0cyclictest21714-21cut20:21:430
73329936429,0cyclictest23949-21runrttasks23:30:310
73329936352,0cyclictest0-21swapper22:16:070
73329936331,0cyclictest23293-21sh20:30:150
73329936233,0cyclictest12890-21munin-node22:30:230
73329936232,0cyclictest22575-21chrt23:20:520
733299362132,0cyclictest15502-21sshd22:41:290
73329936131,0cyclictest14669-21munin-node19:50:230
73329936129,0cyclictest30858-21cat00:10:190
73329936129,0cyclictest26249-21nfs_client23:41:390
73329936032,0cyclictest10476-21munin-node19:26:070
73329935934,0cyclictest31301-21munin-run21:10:270
73329935930,0cyclictest18645-21chrt23:00:030
73329935829,0cyclictest31747-21chrt00:12:190
73329935829,0cyclictest27812-21irqstats20:50:390
73329935730,0cyclictest20153-21latency_hist23:10:150
733299357101,0cyclictest1576-21chrt21:25:430
73329935430,0cyclictest16342-21chrt22:47:390
73329935329,0cyclictest9043-21chrt22:07:510
73329935328,0cyclictest29567-21tr00:00:510
73329935234,0cyclictest1730-21cron00:30:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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