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2025-12-05 - 13:02
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 rackfslot4.osadl.org (updated Fri Dec 05, 2025 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
83622730,3sleep3312-21cron19:05:183
211522650,1sleep132495-21kworker/u8:2819:05:581
84222480,2sleep228836-1kworker/u9:319:05:212
254998234226,4cyclictest18935-21kworker/u8:2620:17:071
254998234226,4cyclictest18935-21kworker/u8:2620:17:061
255398199190,5cyclictest18933-21kworker/u8:2420:17:073
255398199190,5cyclictest18933-21kworker/u8:2420:17:073
254798197184,10cyclictest10-21ksoftirqd/022:56:520
254798195184,8cyclictest10-21ksoftirqd/020:17:070
254798195184,8cyclictest10-21ksoftirqd/020:17:060
255398194189,3cyclictest29830-21kworker/u8:5322:56:513
255298155147,5cyclictest27543-21kworker/u8:1322:56:512
255298154148,4cyclictest24811-21kworker/u8:9020:17:072
255298154148,4cyclictest24811-21kworker/u8:9020:17:062
84252840,2sleep20-21swapper/200:25:592
112592790,2sleep20-21swapper/200:34:312
127752530,2sleep20-21swapper/222:15:172
167042450,3sleep314051-21kworker/u8:522:24:183
29432440,2sleep30-21swapper/323:05:033
2552983610,7cyclictest121rcu_preempt23:50:252
17642360,1sleep119-21ksoftirqd/100:12:021
293712350,3sleep329321-21ssh00:00:453
254998341,3cyclictest121rcu_preempt21:05:171
254998341,3cyclictest121rcu_preempt21:05:171
181042340,3sleep318106-21irqrtprio19:50:243
165642340,9sleep1121rcu_preempt22:23:241
2549983327,3cyclictest20609-21kworker/u8:1823:47:021
2549983326,4cyclictest27571-21kworker/u8:4322:56:521
254998331,4cyclictest121rcu_preempt23:35:151
194682330,1sleep313739-21kworker/u8:3323:40:273
94332320,7sleep1191ksoftirqd/123:19:291
51922320,2sleep20-21swapper/220:40:462
255298320,10cyclictest24242-21ntpq20:05:312
147862320,2sleep10-21swapper/119:40:341
242252310,2sleep124224-21cat22:40:261
110352311,8sleep331-21ksoftirqd/319:30:373
110352311,8sleep331-21ksoftirqd/319:30:373
255298304,9cyclictest16227-21ssh23:33:082
255298300,10cyclictest12429-21ntpq21:00:442
216292300,2sleep10-21swapper/121:22:111
316872290,2sleep124981-21kworker/u8:1100:05:551
316862290,17sleep10-21swapper/120:25:301
255298290,14cyclictest30183-21awk21:40:462
254998292,3cyclictest121rcu_preempt23:00:301
2549982918,6cyclictest19-21ksoftirqd/100:20:151
2549982918,6cyclictest19-21ksoftirqd/100:20:141
254998291,4cyclictest121rcu_preempt21:35:131
254798293,18cyclictest8491-21grep23:15:380
140422290,14sleep119-21ksoftirqd/122:17:011
127412290,1sleep111629-21kworker/u8:223:25:281
319022280,16sleep30-21swapper/300:07:143
303112280,3sleep3121rcu_preempt20:20:453
255298288,9cyclictest577450ssh22:00:072
2549982822,4cyclictest31991-21kworker/u8:3000:26:571
254998281,9cyclictest19-21ksoftirqd/120:00:421
205692280,8sleep1121rcu_preempt23:41:531
70832270,2sleep10-21swapper/122:00:441
306312270,5sleep1191ksoftirqd/121:43:391
306242270,12sleep331-21ksoftirqd/321:43:373
258532270,6sleep1191ksoftirqd/123:55:051
2552982714,8cyclictest24098-21/usr/sbin/munin22:40:212
2552982713,9cyclictest1472-21ssh21:50:242
255298270,8cyclictest943-21irqstats20:30:312
255298270,8cyclictest20765-21ssh23:42:562
255298270,3cyclictest322292kworker/u8:2920:35:202
255298270,3cyclictest322292kworker/u8:2920:35:202
255298270,10cyclictest10458-21aten2.4-expect22:10:212
2547982716,5cyclictest7842-21aten2_rfpower_c20:50:200
65752260,2sleep30-21swapper/300:23:303
65752260,2sleep30-21swapper/300:23:293
54582260,2sleep30-21swapper/319:15:353
43892260,5sleep1191ksoftirqd/123:06:161
36072260,15sleep30-21swapper/319:10:373
34982260,2sleep10-21swapper/120:35:471
34982260,2sleep10-21swapper/120:35:461
324912260,14sleep323565-21kworker/u8:1321:46:143
304322260,1sleep128569-21kworker/u8:1220:22:121
294932260,7sleep1191ksoftirqd/100:01:111
255298265,6cyclictest0-21swapper/219:55:312
2552982618,6cyclictest0-21swapper/200:10:002
2552982615,8cyclictest18589-21sendmail_mailqu19:50:432
2552982615,8cyclictest14051-21kworker/u8:522:25:012
2552982615,7cyclictest6760-21/usr/sbin/munin19:20:222
2552982615,7cyclictest26758-21latency22:45:282
2552982614,9cyclictest28473-21aten2_rfpower_f22:50:182
255298260,11cyclictest28130-21/usr/sbin/munin00:00:192
254998266,4cyclictest121rcu_preempt22:30:421
236982260,2sleep30-21swapper/321:27:403
229102260,5sleep2251ksoftirqd/222:35:522
171432260,2sleep10-21swapper/119:47:251
95012250,14sleep3121rcu_preempt23:19:543
2552982517,6cyclictest0-21swapper/220:59:592
2552982517,4cyclictest2081-21runrttasks21:05:192
2552982517,4cyclictest2081-21runrttasks21:05:192
2552982515,7cyclictest17519-21ssh21:15:012
2552982514,9cyclictest13345-21run-parts23:25:452
2552982514,8cyclictest0-21swapper/222:05:442
2552982513,8cyclictest27558-21/usr/sbin/munin21:35:382
255298250,8cyclictest25381-21ps21:30:492
255298250,10cyclictest2976-21cpuspeed19:10:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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