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2026-06-14 - 06:08
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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 100 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Sun Jun 14, 2026 00:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151154790,0ktimers/0201841sleep19:12:360
208879949933,0cyclictest48-21kswapd000:07:110
1514780,0ktimers/0287361sleep23:11:170
2088799471119,0cyclictest13141-21latency_hist21:27:250
1514690,0ktimers/0264331sleep22:54:250
1514660,0ktimers/0274921sleep23:00:580
1514630,0ktimers/059911sleep20:47:270
1514630,0ktimers/049141sleep20:40:290
1514550,0ktimers/0310041sleep23:24:320
1514500,0ktimers/064021sleep00:16:450
208879944932,0cyclictest11243-21sendmail_mailtr21:17:180
1514490,0ktimers/053511sleep00:10:170
208879944833,0cyclictest7531-21sshd00:22:310
525504470,0irq/11-sym53c8x130250irq/15-NE200019:22:230
1514450,0ktimers/050911sleep20:42:080
2088799444109,0cyclictest31397-21wc23:27:260
525504420,0irq/11-sym53c8x130250irq/15-NE200020:53:000
208879944232,0cyclictest23162-21awk19:31:590
1514420,0ktimers/038281sleep00:00:190
208879943962,0cyclictest0-21swapper00:38:150
1514390,0ktimers/0236201sleep22:36:470
208879943691,0cyclictest16082-21sendmail21:47:080
208879943540,0cyclictest351-21wc23:37:110
208879943537,0cyclictest9303-21ssh00:33:440
1514300,0ktimers/0247991sleep19:38:230
208879942741,0cyclictest20148-21cat22:12:290
208879942694,0cyclictest25800-21latency_hist22:52:070
208879942528,0cyclictest28910-21needreboot19:58:290
208879942491,0cyclictest27439-21apt-get19:52:340
208879942435,0cyclictest0-21swapper20:12:140
208879942159,0cyclictest18591-21which22:02:190
1514200,0ktimers/0213561sleep19:18:140
208879941963,0cyclictest2099-21rm23:48:230
208879941728,0cyclictest31276-21aten_r3power_en20:08:530
1514170,0ktimers/0166361sleep21:51:490
208879941642,0cyclictest25155-21chrt22:46:590
208879941485,0cyclictest13883-21apt-get21:33:140
208879941435,0cyclictest8911-21date00:32:090
208879941334,0cyclictest458-21sh23:37:270
208879941231,0cyclictest18002-21ssh21:58:470
208879940935,0cyclictest16853-21irqstats21:52:330
2088799409122,0cyclictest23805-21mailstats22:37:250
208879940892,0cyclictest48-21kswapd021:23:010
1514080,0ktimers/0105161sleep21:12:180
208879940741,0cyclictest894-21jbd2/sda1-820:18:110
208879940730,0cyclictest7794-21awk20:57:120
208879940539,0cyclictest1843-21munin-run23:47:100
208879940538,0cyclictest1586-21expr20:23:040
208879940531,0cyclictest29401-21grep23:14:080
2088799405141,0cyclictest0-21swapper21:07:350
208879940491,0cyclictest29862-21sh23:17:220
208879940238,0cyclictest11317-21ls00:47:000
208879940159,0cyclictest26549-21tr19:47:170
208879939933,0cyclictest7378-21munin-node00:22:120
208879939932,0cyclictest21390-21aten_r3power_cu22:22:270
208879939838,0cyclictest9552-21apt21:07:000
208879939732,0cyclictest30433-21runrttasks20:06:580
208879939682,0cyclictest34-1kworker/0:1H-kblockd19:42:310
208879939641,0cyclictest2643-21grep20:28:020
208879939567,0cyclictest3434-21nscd23:54:310
208879939439,0cyclictest0-21swapper20:32:080
525503930,0irq/11-sym53c8x130250irq/15-NE200019:32:320
208879939136,0cyclictest0-21swapper22:19:290
208879939036,0cyclictest19538-21runrttasks22:07:260
208879938937,0cyclictest14638-21date21:37:190
208879938835,0cyclictest22741-21munin-run22:32:030
2088799375109,0cyclictest28194-21sh23:06:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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