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2026-08-22 - 02:47
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack7slot3.osadl.org (updated Sat Aug 22, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30499270244cyclictest9159-21ssh00:28:460
30499270199cyclictest14656-21memory20:08:000
30499258233cyclictest15680-21if_eth020:12:410
30499254191cyclictest9503-21latency_hist22:07:440
30499253229cyclictest12137-21missed_timers22:18:580
30499252220cyclictest14046-21munin-node0
30499251226cyclictest2809-21sort21:38:110
30499250186cyclictest7368-1kworker/0:2H23:33:570
30499248219cyclictest10409-21munin-node0
30499248217cyclictest31287-21chrt21:21:190
30499247218cyclictest28423-21ssh23:31:350
30499247194cyclictest8257-21df22:02:290
30499247182cyclictest5815-21apt-get00:14:290
3049924644cyclictest20051-21ssh22:53:510
30499246222cyclictest15554-21ssh22:34:000
30499245217cyclictest10842-21df19:52:100
30499245185cyclictest22952-21ssh23:07:200
30499245184cyclictest1176-21munin-run21:32:120
30499244220cyclictest23443-21ssh23:08:440
30499244219cyclictest32766-21cyclictest23:42:270
30499244216cyclictest631-21if_eth019:07:390
30499244214cyclictest23378-21munin-node0
30499243218cyclictest21621-21ssh23:01:160
30499243218cyclictest10695-21cut22:12:560
30499243216cyclictest28585-21ssh21:08:580
3049924243cyclictest17790-21ssh22:43:500
30499242214cyclictest3057-21latency_hist00:02:210
30499242214cyclictest10862-21munin-node0
30499242193cyclictest13212-21ifplugd22:48:060
30499242181cyclictest32335-21cat23:48:270
3049924148cyclictest2935-21runrttasks23:23:170
30499241216cyclictest4722-21ssh21:46:530
30499241215cyclictest13608-21ssh22:25:510
30499241214cyclictest31717-21rm23:45:510
30499241211cyclictest1593-21df_inode19:12:220
30499241209cyclictest9752-21df19:47:150
30499241145cyclictest26414-21ssh23:22:390
30499240216cyclictest8706-21ssh00:27:270
30499240213cyclictest2313-21latency_hist21:37:570
30499240212cyclictest30361-21df21:17:280
30499240211cyclictest6797-21irqstats00:18:310
30499240177cyclictest4083-21munin-node0
30499240174cyclictest1043-21ssh23:53:310
3049923947cyclictest11951-21egrep19:57:050
30499239215cyclictest6057-21cat21:52:380
30499239215cyclictest2980-21gmain22:40:360
30499239213cyclictest7368-1kworker/0:2H21:54:100
30499239212cyclictest13212-21ifplugd20:53:530
30499239210cyclictest21052-21cron20:36:500
30499239209cyclictest24476-21ssh23:13:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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