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2026-04-16 - 06:05
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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 Thu Apr 16, 2026 00:45:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
955024070,1sleep28670-21kworker/u8:1000:20:142
410223140,6sleep2121rcu_preempt21:45:232
410223140,6sleep2121rcu_preempt21:45:222
941723130,2sleep10-21swapper/121:56:341
793723090,2sleep20-21swapper/220:34:162
793723090,2sleep20-21swapper/220:34:162
2350923090,2sleep122727-21kworker/u8:2523:40:001
2543923070,2sleep10-21swapper/119:49:321
1082523050,2sleep210823-21ssh23:10:312
1945823020,1sleep218366-21kworker/u8:323:30:162
291823000,1sleep2980-21kworker/u8:1020:20:002
598122960,1sleep132237-21kworker/u8:123:00:281
598122960,1sleep132237-21kworker/u8:123:00:281
1350322930,2sleep20-21swapper/200:28:422
379122920,1sleep20-21swapper/220:20:332
2515722920,2sleep225140-21ssh21:20:322
1825822920,2sleep20-21swapper/223:26:392
1648522900,1sleep113893-21kworker/u8:919:20:221
472522890,2sleep24724-21ssh00:10:002
472522890,2sleep24724-21ssh00:09:592
64822870,2sleep20-21swapper/221:38:302
2079022870,1sleep219381-21kworker/u8:2421:10:352
1503922870,1sleep113893-21kworker/u8:919:15:351
1503922870,1sleep113893-21kworker/u8:919:15:351
1176322840,2sleep30-21swapper/319:05:323
1468222830,1sleep213267-21kworker/u8:400:30:312
1020522830,3sleep110197-21ssh00:20:331
42322790,2sleep20-21swapper/222:49:192
3179422790,2sleep131792-21ssh22:45:361
2555922790,1sleep222727-21kworker/u8:2523:44:002
2335222780,4sleep119-21ksoftirqd/122:26:501
248922770,2sleep12466-21ssh00:05:011
194222750,1sleep225869-21kworker/u8:021:40:282
1151022750,1sleep29385-21kworker/u8:020:45:152
1151022750,1sleep29385-21kworker/u8:020:45:142
447022730,1sleep14254-21kworker/u8:1220:24:131
1987822730,1sleep117170-21kworker/u8:519:30:311
2737222720,1sleep127324-21kworker/u8:923:46:511
1483122720,1sleep113906-21kworker/u8:122:10:021
3120522710,3sleep231197-21ssh23:55:292
1311922710,2sleep213112-21ntpq23:15:332
1178522710,1sleep14098-21kworker/u8:500:25:111
2791922700,2sleep10-21swapper/119:55:271
2109122700,2sleep10-21swapper/122:21:521
2062222700,2sleep119362-1kworker/u9:221:10:301
1630722700,1sleep213270-21kworker/u8:1000:35:132
1524022700,3sleep115182-21apt-get22:10:261
738722690,2sleep20-21swapper/200:15:152
2890222690,1sleep227323-21kworker/u8:823:50:272
535722680,2sleep10-21swapper/120:25:261
2288222680,3sleep119362-1kworker/u9:221:15:331
1767222680,2sleep10-21swapper/123:25:331
1500822680,2sleep215007-21df_inode20:55:202
1473422680,1sleep132455-21kworker/u8:623:20:151
842422670,1sleep27247-21kworker/u8:1121:55:192
1697822670,2sleep20-21swapper/222:14:062
1688122670,1sleep115855-21kworker/u8:1621:00:251
2406222660,1sleep216641-21kworker/u8:022:30:012
195022660,2sleep10-21swapper/120:15:251
2920222650,2sleep229201-21sshd21:30:152
2920222650,2sleep229201-21sshd21:30:142
1918422650,2sleep215848-21kworker/u8:721:05:452
1826822650,1sleep115848-21kworker/u8:721:05:201
1792022650,1sleep113270-21kworker/u8:1000:38:171
1601822650,1sleep212240-21kworker/u8:219:20:112
851922640,1sleep26953-21kworker/u8:423:05:272
3026822640,1sleep127323-21kworker/u8:823:54:521
1855422640,2sleep20-21swapper/222:15:502
1668522640,1sleep213761-21kworker/u8:423:24:582
1988022630,11sleep2251ksoftirqd/222:20:172
1741322630,1sleep215855-21kworker/u8:1621:00:412
2673622620,1sleep225883-21kworker/u8:1621:25:162
1494722620,1sleep213893-21kworker/u8:919:15:282
1494722620,1sleep213893-21kworker/u8:919:15:282
1336522620,1sleep112245-21kworker/u8:719:10:291
769822610,1sleep17247-21kworker/u8:1121:54:101
3144022610,1sleep123562-21kworker/u8:121:35:131
2940422610,2sleep119-21ksoftirqd/122:40:261
2867522610,3sleep128653-21ssh22:40:011
2315022610,1sleep220647-21kworker/u8:523:38:292
1205322610,1sleep19385-21kworker/u8:020:45:251
1205322610,1sleep19385-21kworker/u8:020:45:251
990422600,7sleep19390-1kworker/u9:320:40:141
461222600,1sleep132237-21kworker/u8:122:57:261
2793522600,1sleep226866-21kworker/u8:519:55:282
2510722600,1sleep120653-21kworker/u8:1223:41:491
2492222600,1sleep216641-21kworker/u8:022:30:302
2480322600,2sleep20-21swapper/219:45:352
2123422600,1sleep215738-21kworker/u8:119:35:222
1816522600,2sleep118156-21ssh22:15:381
511522590,2sleep10-21swapper/121:47:431
511522590,2sleep10-21swapper/121:47:421
2991522590,1sleep123564-21kworker/u8:321:30:421
2991522590,1sleep123564-21kworker/u8:321:30:421
2223122590,1sleep120344-21kworker/u8:2319:40:001
178222590,1sleep231914-21kworker/u8:100:01:522
1377922590,2sleep20-21swapper/220:50:322
1360222590,1sleep111479-21kworker/u8:523:16:081
588022580,2sleep20-21swapper/221:50:122
1109922580,2sleep20-21swapper/222:00:302
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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