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2025-09-16 - 19:39
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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 100 highest latencies:
System rack3slot2.osadl.org (updated Tue Sep 16, 2025 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
263925822580,2sleep02639259-21grep10:20:010
268030122540,3sleep02680302-21cat12:25:270
258897122500,4chrt2588973-21sendmail_mailst07:31:190
259141322400,3chrt2591415-21kernelversion07:40:280
267579222370,3chrt2675793-21ssh12:11:280
263341322290,4chrt2633408-21ntpq10:01:390
264533022220,4chrt2645328-21ssh10:37:090
258206822200,2sleep02582072-21wc07:06:000
268271022120,3sleep02682713-21timerandwakeup12:31:550
263019022070,3sleep02630192-21grep09:51:440
267699722040,2sleep02677000-21sort12:15:290
266227622030,2sleep02662277-21ssh11:30:390
258264199202172,18cyclictest84-21jbd2/mmcblk0p2-11:20:050
258264199198168,19cyclictest2622515-21kworker/u2:309:40:310
258264199195166,18cyclictest2597715-21kworker/u2:208:05:060
263494121920,2sleep02634942-21ssh10:06:140
258264199192163,19cyclictest2616174-21kworker/u2:109:35:040
258264199191163,17cyclictest2603590-21kworker/u2:108:55:040
258264199188158,19cyclictest2645654-21kworker/u2:211:05:030
258264199188157,20cyclictest2666382-21kworker/u2:212:20:510
258264199187159,17cyclictest2650738-21kworker/u2:011:40:040
258264199187157,18cyclictest2673293-21kworker/u2:112:05:520
258264199187156,19cyclictest2578430-21kworker/u2:107:20:000
258264199187148,27cyclictest2590563-21time-dir07:36:210
258264199186157,18cyclictest2593609-21kworker/u2:008:15:050
258264199186156,19cyclictest2620808-21kworker/u2:009:36:420
258264199185155,19cyclictest2654793-21kworker/u2:311:25:030
258264199182151,19cyclictest2611980-21kworker/u2:209:11:540
258264199181152,19cyclictest2595254-21kworker/u2:108:00:040
258264199181149,19cyclictest2666382-21kworker/u2:211:50:270
258264199180152,18cyclictest2650738-21kworker/u2:011:05:320
258264199180150,19cyclictest2634281-21kworker/u2:110:26:500
258264199180149,20cyclictest2634281-21kworker/u2:110:25:090
258264199179148,21cyclictest29-21kswapd009:16:320
258264199178149,19cyclictest2603590-21kworker/u2:108:40:390
258264199178148,18cyclictest2611980-21kworker/u2:209:00:380
258264199177147,19cyclictest2661355-21kworker/u2:211:30:090
258264199177145,20cyclictest2629288-21kworker/u2:009:55:130
263631721760,3sleep02636320-21cut10:10:340
258264199175147,18cyclictest2629288-21kworker/u2:010:46:550
258264199175147,18cyclictest2597715-21kworker/u2:208:20:050
258264199175147,17cyclictest2603590-21kworker/u2:108:30:040
258264199175146,18cyclictest2650738-21kworker/u2:010:55:070
258264199175146,18cyclictest2593609-21kworker/u2:007:50:040
258264199175144,19cyclictest2634281-21kworker/u2:110:45:110
258264199174144,19cyclictest2603590-21kworker/u2:108:36:160
258264199174143,19cyclictest2597715-21kworker/u2:208:20:330
258264199173145,18cyclictest2670137-21kworker/u2:411:56:480
258264199173145,17cyclictest2663161-21kworker/u2:111:41:490
258264199173142,19cyclictest2608263-21kworker/u2:208:46:210
258264199170142,17cyclictest2578430-21kworker/u2:107:11:220
258264199169139,19cyclictest2620808-21kworker/u2:009:25:100
264363421670,4chrt2643633-21/usr/sbin/munin10:31:530
258264199165133,20cyclictest84-21jbd2/mmcblk0p2-09:25:460
258697421620,4chrt2586972-21apt07:25:120
258264199162132,18cyclictest2593609-21kworker/u2:008:06:190
258264199161131,19cyclictest2603590-21kworker/u2:108:30:360
267309521600,4chrt2673094-21ssh12:03:080
258264199160129,19cyclictest2681405-21kworker/u2:312:36:410
258264199160129,19cyclictest2578430-21kworker/u2:107:20:130
258264199159126,22cyclictest2616159-21ssh09:10:000
258264199158128,18cyclictest2625622-21kworker/u2:209:45:530
258264199157128,18cyclictest2666382-21kworker/u2:211:45:470
258264199156126,19cyclictest2654793-21kworker/u2:311:10:350
258264199153124,17cyclictest2593609-21kworker/u2:007:50:320
258264199149120,18cyclictest2611980-21kworker/u2:209:00:070
258264199148120,18cyclictest2645654-21kworker/u2:211:00:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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