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2026-04-21 - 02:57
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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 50 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Tue Apr 21, 2026 00:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151152790,0ktimers/052961sleep19:09:590
61979949196,0cyclictest12004-21ls22:39:530
1514690,0ktimers/0263251sleep20:51:170
1514620,0ktimers/0122901sleep22:41:110
525504600,0irq/11-sym53c8x130250irq/15-NE200019:45:480
1514600,0ktimers/0108801sleep22:33:260
1514570,0ktimers/0224751sleep20:30:490
61979945691,0cyclictest4992-21ssh21:56:240
61979945580,0cyclictest20830-21ssh23:34:420
1514550,0ktimers/0217211sleep23:40:460
1514540,0ktimers/0317711sleep21:21:070
1514530,0ktimers/088341sleep22:19:250
1514530,0ktimers/0163361sleep23:06:200
1514490,0ktimers/0133791sleep22:48:450
1514400,0ktimers/0188151sleep23:21:260
61979943990,0cyclictest3432-21nscd23:54:370
619799439124,0cyclictest0-21swapper19:53:250
1514380,0ktimers/03971sleep21:28:320
1514330,0ktimers/0136381sleep22:50:090
1514320,0ktimers/0175381sleep20:07:060
1514320,0ktimers/0172191sleep23:12:260
619799431123,0cyclictest5814-21chrt22:01:030
619799431122,0cyclictest0-21swapper19:14:550
619799429121,0cyclictest3432-21nscd21:54:390
619799428117,0cyclictest0-21swapper22:28:570
619799427120,0cyclictest3437-21nscd21:39:390
619799424113,0cyclictest0-21swapper22:05:350
619799423124,0cyclictest30790-21cron21:14:390
619799422123,0cyclictest25554-21date00:05:080
619799422116,0cyclictest0-21swapper20:39:310
61979942186,0cyclictest0-21swapper23:18:500
619799421120,0cyclictest29663-21ssh00:31:420
619799416110,0cyclictest0-21swapper21:17:060
1514160,0ktimers/0196701sleep23:27:180
619799415111,0cyclictest0-21swapper00:13:420
619799414106,0cyclictest0-21swapper23:36:160
619799414104,0cyclictest0-21swapper21:40:100
619799413111,0cyclictest0-21swapper23:49:310
619799413104,0cyclictest0-21swapper22:14:020
1514120,0ktimers/0279231sleep20:59:490
61979941195,0cyclictest31635-21wc00:45:010
61979941099,0cyclictest0-21swapper19:22:460
61979941094,0cyclictest0-21swapper00:26:130
619799410103,0cyclictest0-21swapper22:21:220
619799409108,0cyclictest0-21swapper00:03:440
619799408106,0cyclictest0-21swapper21:33:390
619799408100,0cyclictest0-21swapper21:49:220
61979940699,0cyclictest0-21swapper00:18:210
61979940694,0cyclictest24165-21apt-get23:55:520
619799405100,0cyclictest3460-21snmpd20:45:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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