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2025-11-01 - 05:36
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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 792 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Sat Nov 01, 2025 00:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151150850,0ktimers/025151sleep18:55:370
1514710,0ktimers/044821sleep19:05:300
31559945433,0cyclictest19329-21sshd22:50:270
31559945136,0cyclictest17276-21expr22:40:510
31559944342,0cyclictest14853-21sort19:56:040
315599442122,0cyclictest20918-21basename20:25:500
1514390,0ktimers/0319311sleep21:16:090
31559943537,0cyclictest21927-21chrt20:30:320
31559942952,0cyclictest5366-21chrt00:20:090
1514260,0ktimers/0218351sleep23:01:160
31559942535,0cyclictest0-21swapper19:00:290
31559942338,0cyclictest5598-21tr21:46:230
31559942036,0cyclictest10874-21sort22:11:070
31559941885,0cyclictest12918-21awk19:46:040
315599417138,0cyclictest0-21swapper23:30:060
31559941435,0cyclictest2613-21find00:06:270
31559941145,0cyclictest0-21swapper23:40:110
31559941139,0cyclictest24086-21chrt20:40:290
31559941137,0cyclictest0-21swapper00:14:530
31559941133,0cyclictest11884-21sort19:41:120
31559941087,0cyclictest31245-21aten_r3power_po21:11:480
31559940933,0cyclictest47-21kswapd022:29:550
31559940840,0cyclictest0-21swapper20:04:540
1514070,0ktimers/0225881sleep23:05:380
31559940630,0cyclictest11618-21mailstats22:15:100
31559940561,0cyclictest1047-21chrt21:22:520
315599404140,0cyclictest0-21swapper21:55:090
31559940341,0cyclictest10402-21chrt22:09:550
31559940137,0cyclictest0-21swapper00:29:520
31559940131,0cyclictest5022-21munin-node19:11:320
31559940064,0cyclictest17571-21cat20:10:250
31559940031,0cyclictest32041-21ls23:50:240
31559939960,0cyclictest0-21swapper23:45:240
31559939929,0cyclictest25023-21munin-node20:45:160
315599399116,0cyclictest0-21swapper21:29:540
31559939830,0cyclictest20503-21sshd20:23:280
31559939746,0cyclictest28209-21munin-run20:59:560
31559939734,0cyclictest16354-21sed20:05:060
31559939699,0cyclictest1299-21sort00:01:020
31559939578,0cyclictest0-21swapper23:20:260
31559939443,0cyclictest7271-21tr19:20:190
31559939436,0cyclictest2894-21runrttasks21:31:280
315599394113,0cyclictest20423-21chrt22:55:330
31559939347,0cyclictest6291-21ntp_states21:50:270
31559939133,0cyclictest28244-21ls23:31:060
315599391100,0cyclictest23846-21cron20:39:540
31559939077,0cyclictest8252-21grep19:25:040
31559939036,0cyclictest24867-21cut23:15:500
315599390102,0cyclictest8369-21grep22:00:090
31559938869,0cyclictest5806-21kworker/u4:2+flush-8:022:45:130
31559938835,0cyclictest28383-21cut21:00:160
315599388122,0cyclictest0-21swapper19:34:080
31559938793,0cyclictest4967-21cron21:44:540
31559938635,0cyclictest14170-21cut19:51:270
31559938252,0cyclictest0-21swapper21:36:270
31559938252,0cyclictest0-21swapper21:06:000
31559938236,0cyclictest10697-21grep19:35:520
31559938193,0cyclictest24522-21cron23:14:540
31559938133,0cyclictest15248-21vmstat22:31:090
31559937933,0cyclictest6133-21mailstats19:15:100
31559937634,0cyclictest18570-21mailstats20:15:120
315599376118,0cyclictest0-21swapper22:22:570
31559937366,0cyclictest28861-21cron23:35:040
31559937291,0cyclictest4228-21chrt00:15:020
31559936936,0cyclictest838-21latency_hist00:00:000
31559936898,0cyclictest0-21swapper22:38:220
31559936672,0cyclictest4398-21munin-node20:50:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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