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2026-04-18 - 08:19
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot2.osadl.org (updated Sat Apr 18, 2026 00:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
335785199298243,45cyclictest29-21kswapd000:10:200
335785199279245,22cyclictest3440291-21ntpq00:06:000
340434022680,3chrt3404328-21ntpq21:55:470
341836222520,4chrt3418358-21ntpq22:46:030
340124122520,3chrt3401239-21df21:45:140
343732622510,2sleep03437328-21sort23:55:070
337225922510,2chrt3372257-21ntpq20:00:350
341217722470,3chrt3412172-21munin-run22:25:010
343972222430,2sleep03439725-21wc00:05:060
336079222360,2sleep03360790-21apt19:20:100
335785199206173,21cyclictest3437240-21kworker/u2:000:25:030
335785199202172,19cyclictest3397298-21kworker/u2:221:40:030
335785199196166,18cyclictest3423759-21kworker/u2:123:30:060
335785199195161,22cyclictest3438629-21b-backup00:00:010
335785199194163,20cyclictest3413569-21kworker/u2:122:40:010
335785199191160,19cyclictest3423759-21kworker/u2:123:35:060
335785199188157,19cyclictest3417766-21kworker/u2:223:05:040
340750521870,3sleep03407509-21wc22:06:230
335785199186156,19cyclictest3445687-21kworker/u2:100:40:080
339134621840,2sleep03391348-21grep21:10:060
335785199184152,20cyclictest3386157-21kworker/u2:020:55:060
335785199184150,22cyclictest3388509-21kworker/u2:221:15:020
335785199182151,19cyclictest3356952-21kworker/u2:219:20:050
335785199181151,19cyclictest3356952-21kworker/u2:219:10:050
335785199181148,20cyclictest3423759-21kworker/u2:123:10:060
335785199178146,20cyclictest3361097-21kworker/u2:119:40:050
335785199176145,20cyclictest3367615-21kworker/u2:020:00:050
335785199176144,19cyclictest3356952-21kworker/u2:219:15:070
336241321720,2sleep03362414-21/usr/sbin/munin19:25:280
338353921710,4chrt3383537-21ntpq20:41:020
335785199171140,20cyclictest3405729-21kworker/u2:222:20:030
342665021700,4chrt3426647-21ntpq23:15:530
335785199170139,19cyclictest3423759-21kworker/u2:123:35:350
335785199168138,19cyclictest3437240-21kworker/u2:000:16:220
335785199168138,19cyclictest3413569-21kworker/u2:122:35:030
335785199168137,20cyclictest3437240-21kworker/u2:000:25:320
335785199168137,20cyclictest3370824-21kworker/u2:120:26:180
335785199168137,19cyclictest3394084-21kworker/u2:021:25:060
335785199166134,20cyclictest3380144-21kworker/u2:220:30:370
338507921650,3chrt3385082-21mailstats20:46:150
335785199165134,19cyclictest3423759-21kworker/u2:123:15:060
341696921640,4chrt3416970-21ld22:41:010
335785199163134,18cyclictest3361097-21kworker/u2:119:31:240
335785199162131,20cyclictest3386157-21kworker/u2:021:01:150
335785199161132,19cyclictest3445687-21kworker/u2:100:30:320
338225121600,2sleep03382252-21gzip20:36:160
335785199159126,21cyclictest3423759-21kworker/u2:123:46:090
335785199158128,19cyclictest3397298-21kworker/u2:221:40:530
335785199157127,19cyclictest3423759-21kworker/u2:123:25:060
335785199157127,19cyclictest3388509-21kworker/u2:221:16:190
335785199156124,21cyclictest3386157-21kworker/u2:020:55:510
335785199156124,20cyclictest3370824-21kworker/u2:120:20:230
335785199155125,19cyclictest3367615-21kworker/u2:019:51:170
335785199154124,19cyclictest3370824-21kworker/u2:120:20:050
335785199153122,19cyclictest3361097-21kworker/u2:119:45:030
335785199151123,18cyclictest3402426-21kworker/u2:121:55:040
335785199151123,18cyclictest3370824-21kworker/u2:120:11:180
335785199150120,19cyclictest3405729-21kworker/u2:222:30:030
335785199149120,18cyclictest3395483-21kworker/u2:121:35:020
335785199146118,18cyclictest3405729-21kworker/u2:222:15:030
335785199146116,19cyclictest3413569-21kworker/u2:122:51:140
335785199146115,20cyclictest3370824-21kworker/u2:120:08:230
335785199146114,21cyclictest3423759-21kworker/u2:123:41:030
335785199142112,19cyclictest3405729-21kworker/u2:222:05:080
335785199141111,19cyclictest3367615-21kworker/u2:019:50:070
335785199140107,21cyclictest3394084-21kworker/u2:021:25:370
335785199137108,19cyclictest3417766-21kworker/u2:222:56:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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