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2026-06-09 - 13:41
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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 792 highest latencies:
System rack4slot2.osadl.org (updated Tue Jun 09, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502040,0irq/45-4a10000016850-21kworker/0:319:05:080
7450800,0irq/46-4a10000026782-1kworker/u3:022:29:450
24160997753,0cyclictest0-21swapper00:25:050
7350760,0irq/45-4a100000210862chrt20:33:120
24160997258,0cyclictest0-21swapper21:42:000
24160997144,0cyclictest1876-21/usr/sbin/munin21:10:530
7450700,0irq/46-4a1000007631-21kworker/u2:021:30:310
7450700,0irq/46-4a10000028683-21fschecks_time22:30:220
24160997055,0cyclictest0-21swapper23:36:540
24160996955,0cyclictest7350irq/45-4a10000019:16:140
24160996954,0cyclictest7350irq/45-4a10000021:45:060
24160996951,0cyclictest5219-21mailstats22:55:480
24160996950,0cyclictest12741-21runrttasks20:09:460
24160996942,0cyclictest0-21swapper20:21:400
24160996936,0cyclictest16419-21cut21:55:070
7350680,0irq/45-4a1000000-21swapper21:00:060
24160996856,0cyclictest7350irq/45-4a10000020:15:350
24160996841,0cyclictest3180-21/usr/sbin/munin21:15:320
7450670,0irq/46-4a100000390-1kworker/u3:022:45:500
7450670,0irq/46-4a10000020064-21diskstats22:05:180
7450670,0irq/46-4a10000017811-1kworker/u3:022:01:510
7450670,0irq/46-4a10000012610-1kworker/u3:023:25:370
7450670,0irq/46-4a10000012599-1kworker/u3:120:10:570
24160996755,0cyclictest7350irq/45-4a10000022:40:170
24160996753,0cyclictest28809-21/usr/sbin/munin20:55:310
24160996753,0cyclictest0-21swapper19:51:290
24160996744,0cyclictest526-21runrttasks21:07:340
24160996742,0cyclictest0-21swapper00:30:060
24160996741,0cyclictest0-21swapper23:12:500
24160996740,0cyclictest0-21swapper00:00:040
7450660,0irq/46-4a10000022764-1kworker/u3:120:54:580
24160996652,0cyclictest22118-21/usr/sbin/munin23:45:410
24160996643,0cyclictest0-21swapper23:30:070
24160996642,0cyclictest0-21swapper19:40:030
24160996641,0cyclictest0-21swapper22:22:300
24160996641,0cyclictest0-21swapper20:01:320
24160996640,0cyclictest0-21swapper19:21:150
24160996633,0cyclictest31123-1kworker/u3:219:27:590
7450650,0irq/46-4a10000026399-1kworker/u3:119:35:480
7450650,0irq/46-4a10000013392-21/usr/sbin/munin23:20:280
7350650,0irq/45-4a1000000-21swapper19:55:090
24160996548,0cyclictest21389-21latency_hist23:44:580
24160996547,0cyclictest3476-21rt-features22:50:450
24160996543,0cyclictest26285-21runrttasks23:58:390
24160996542,0cyclictest0-21swapper21:25:070
24160996540,0cyclictest0-21swapper23:19:400
24160996540,0cyclictest0-21swapper20:36:470
24160996539,0cyclictest0-21swapper21:22:050
24160996528,0cyclictest7277-21runrttasks00:36:420
7450640,0irq/46-4a100000452-21snmpd19:13:110
24160996446,0cyclictest10301-21/usr/sbin/munin21:35:470
24160996445,0cyclictest23238-21/usr/sbin/munin23:50:060
24160996443,0cyclictest7594-21runrttasks23:04:230
24160996341,0cyclictest31405-21runrttasks00:13:330
24160996340,0cyclictest0-21swapper22:37:360
24160996248,0cyclictest0-21swapper20:46:500
24160996246,0cyclictest15343-21/usr/sbin/munin21:50:460
24160996244,0cyclictest4932-21/usr/sbin/munin19:45:350
24160996244,0cyclictest0-21swapper00:16:340
24160996238,0cyclictest0-21swapper22:15:140
24160996150,0cyclictest7350irq/45-4a10000000:05:570
24160996143,0cyclictest8750-21/usr/sbin/munin23:05:540
24160996139,0cyclictest2176-21runrttasks00:21:470
24160996134,0cyclictest0-21swapper22:12:260
7450600,0irq/46-4a10000024386-21kworker/u2:420:40:020
24160996043,0cyclictest0-21swapper20:25:370
24160995947,0cyclictest12-21ksoftirqd/019:30:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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