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2026-04-12 - 02:03
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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 Sun Apr 12, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151153450,0ktimers/0137181sleep19:09:280
1470699511119,0cyclictest17429-21ssh22:21:160
1470699485113,0cyclictest0-21swapper21:31:080
1470699465132,0cyclictest4856-21ssh00:37:030
1470699463106,0cyclictest0-21swapper22:53:590
1514610,0ktimers/0238741sleep23:05:530
1514580,0ktimers/0112661sleep21:37:010
147069945899,0cyclictest0-21swapper19:53:370
147069945791,0cyclictest14704-21cyclictest20:29:330
1514510,0ktimers/0199321sleep22:39:020
1514510,0ktimers/0180241sleep22:24:490
1470699450155,0cyclictest0-21swapper20:04:540
1470699450114,0cyclictest0-21swapper20:20:150
1470699447128,0cyclictest16436-21cron19:24:240
1470699446101,0cyclictest1030-21ls20:44:260
147069944499,0cyclictest0-21swapper21:59:120
1470699444129,0cyclictest22222-21ssh22:54:420
1470699441125,0cyclictest2870-21sshd20:51:080
1470699441117,0cyclictest24678-21ssh23:13:010
1470699440123,0cyclictest0-21swapper00:08:450
1470699439131,0cyclictest30001-21chrt23:46:320
1470699438122,0cyclictest12715-21munin-run21:49:180
1470699434115,0cyclictest0-21swapper23:52:580
1470699433117,0cyclictest0-21swapper22:03:260
1514320,0ktimers/0116611sleep21:39:530
147069943265,0cyclictest26327-21grep20:09:330
147069943198,0cyclictest5229-21cut00:39:440
147069943181,0cyclictest0-21swapper22:15:340
1470699430127,0cyclictest0-21swapper23:40:380
1470699430122,0cyclictest0-21swapper22:32:210
1470699429122,0cyclictest31970-21sed00:01:180
1470699428117,0cyclictest0-21swapper21:17:100
1470699428114,0cyclictest0-21swapper23:00:570
1470699427151,0cyclictest0-21swapper20:24:580
1470699427113,0cyclictest0-21swapper23:39:060
1470699426117,0cyclictest2799-21chrt00:23:020
1470699426113,0cyclictest0-21swapper22:41:210
1470699425127,0cyclictest0-21swapper19:54:460
1470699424113,0cyclictest4469-21cron00:34:160
147069942395,0cyclictest26226-21iostat23:21:120
1470699423117,0cyclictest0-21swapper21:27:090
1470699422117,0cyclictest0-21swapper20:04:050
1470699421103,0cyclictest1533-21ssh00:14:410
1470699420128,0cyclictest0-21swapper20:59:220
1470699419111,0cyclictest0-21swapper23:19:110
1470699419111,0cyclictest0-21swapper21:22:370
147069941799,0cyclictest793-21apt-get00:10:350
1470699415107,0cyclictest0-21swapper22:45:490
1470699413102,0cyclictest0-21swapper21:53:570
147069941089,0cyclictest3729-21runrttasks23:33:010
1470699409100,0cyclictest0-21swapper23:55:080
147069940883,0cyclictest34-1kworker/0:1H-kblockd20:15:150
1470699406129,0cyclictest14982-21df19:15:050
147069940499,0cyclictest0-21swapper00:25:450
1470699401113,0cyclictest0-21swapper22:06:440
147069940092,0cyclictest0-21swapper23:25:500
1513990,0ktimers/074731sleep21:13:550
147069939994,0cyclictest62831chrt21:06:590
147069939994,0cyclictest0-21swapper22:11:330
1470699399122,0cyclictest0-21swapper20:35:550
147069939790,0cyclictest52941chrt21:03:450
1470699393136,0cyclictest0-21swapper19:39:310
1470699393121,0cyclictest0-21swapper19:35:450
1470699392111,0cyclictest0-21swapper19:29:310
1470699389124,0cyclictest16598-21mailstats19:24:370
147069938387,0cyclictest1288-21df20:45:130
147069938175,0cyclictest21037-21df19:45:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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