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2025-11-19 - 02:29
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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 Wed Nov 19, 2025 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
222795522480,3chrt2227951-21irqstats22:45:350
221911922460,3chrt2219027-21latency_hist22:20:100
216183522410,3chrt2161833-21diskstats19:10:180
219554822380,3chrt2195551-21missed_timers21:10:430
221636622330,3chrt2216353-21ntpq22:11:340
225054722280,4chrt2250541-21ntpq23:51:320
216625522210,3chrt2166256-21collect219:25:340
222758322190,2sleep02227584-21sh22:45:000
216161099216187,19cyclictest2253268-21kworker/u2:100:00:060
216161099204175,18cyclictest2249274-21kworker/u2:000:00:320
220650222010,2sleep02206503-21sh21:42:060
221057621950,2sleep02210578-21sort21:55:100
216161099195164,19cyclictest2215478-21kworker/u2:322:50:310
216161099188160,18cyclictest2232671-21kworker/u2:123:30:050
226396021870,2sleep02263961-21ntpq00:30:510
216161099186144,18cyclictest2170487-21kworker/u2:219:45:030
216161099185157,17cyclictest2232671-21kworker/u2:123:45:060
216161099184157,16cyclictest2218818-21kworker/u2:122:30:310
216161099182152,19cyclictest2215478-21kworker/u2:322:40:070
219883221810,3sleep02198831-21/usr/sbin/munin21:20:290
216161099181151,18cyclictest2259867-21kworker/u2:000:40:010
216161099179150,18cyclictest2181174-21kworker/u2:120:50:040
216161099178149,19cyclictest2232671-21kworker/u2:123:15:050
216161099178149,18cyclictest2179744-21kworker/u2:020:20:050
223136321770,4chrt2231362-21/usr/sbin/munin22:55:360
216161099177149,17cyclictest2232671-21kworker/u2:123:20:050
216161099177148,19cyclictest2164904-21kworker/u2:119:40:040
216161099176147,18cyclictest2259867-21kworker/u2:000:20:100
216161099176147,18cyclictest2181174-21kworker/u2:120:45:030
216161099175147,18cyclictest2230879-21kworker/u2:023:25:050
216161099175145,19cyclictest2197937-21kworker/u2:021:20:020
217455121740,2sleep02174555-21missed_timers19:55:310
216161099173143,19cyclictest2246099-21kworker/u2:323:50:030
216161099172142,20cyclictest2230879-21kworker/u2:023:01:590
216161099171137,23cyclictest112-21systemd-journal21:30:050
216161099170139,19cyclictest2195106-21kworker/u2:121:36:590
216161099170138,21cyclictest84-21jbd2/mmcblk0p2-22:00:060
217602921690,3chrt2176030-21collect220:00:370
216161099169141,18cyclictest2251176-21kworker/u2:200:21:560
216161099169140,18cyclictest2215478-21kworker/u2:322:25:270
225558921680,4chrt2255581-21ntpq00:06:170
220223921680,3chrt2202238-21/usr/sbin/munin21:30:320
219010121680,3chrt2190096-21ntpq20:50:590
221525621670,3chrt2215257-21sh22:08:120
219404621670,4chrt2193830-21/usr/sbin/munin21:05:280
216161099166136,19cyclictest2230879-21kworker/u2:023:32:000
220878421650,3chrt2208778-21awk21:50:010
216161099165137,18cyclictest2164904-21kworker/u2:119:25:070
216161099164135,19cyclictest2259867-21kworker/u2:000:30:070
216161099163134,19cyclictest2210836-21kworker/u2:022:02:030
216161099161132,18cyclictest2177426-21kworker/u2:220:15:060
216161099160130,18cyclictest2191288-21kworker/u2:221:05:080
216161099157127,18cyclictest2185343-21kworker/u2:020:40:060
216161099157126,19cyclictest2251176-21kworker/u2:200:10:130
216161099156128,17cyclictest2230879-21kworker/u2:023:06:560
216161099156127,19cyclictest2181174-21kworker/u2:120:56:190
216161099156125,19cyclictest2163022-21kworker/u2:019:15:370
216161099153123,19cyclictest2183937-21kworker/u2:220:31:200
216161099153123,18cyclictest2181174-21kworker/u2:120:30:070
216161099151123,18cyclictest2147832-21kworker/u2:119:10:060
216161099149118,20cyclictest2170487-21kworker/u2:219:45:430
216161099147119,18cyclictest2172368-21kworker/u2:119:51:200
216161099146118,19cyclictest2215478-21kworker/u2:322:24:410
216161099146118,18cyclictest2168503-21kworker/u2:019:35:040
216161099145114,19cyclictest2177426-21kworker/u2:220:05:410
216161099141112,18cyclictest2242830-21kworker/u2:223:40:000
216161099136107,19cyclictest2179744-21kworker/u2:020:25:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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