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2026-03-27 - 19:46
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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 Mar 27, 2026 12:45:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1990923310,1sleep117292-21kworker/u8:509:05:221
2082823250,1sleep219719-21kworker/u8:1407:30:292
1005023150,1sleep28145-21kworker/u8:109:55:412
323223050,3sleep20-21swapper/208:15:242
1988923050,1sleep118860-21kworker/u8:011:30:141
1075223040,1sleep25165-21kworker/u8:412:20:202
2255223000,1sleep112474-21kworker/u8:910:25:151
1538222980,1sleep214280-21kworker/u8:311:20:132
597922960,1sleep25481-21kworker/u8:108:25:132
597122950,2sleep25970-21ssh12:10:142
2537422940,2sleep20-21swapper/207:45:162
432122930,5sleep228453-1kworker/u9:210:55:312
1034322930,5sleep119-21ksoftirqd/112:20:031
1457522910,1sleep28744-21kworker/u8:1908:50:272
1998322890,3sleep119974-21ssh10:20:001
1998322890,3sleep119974-21ssh10:19:591
1418622890,2sleep114185-21ssh10:05:331
2719222850,6sleep1121rcu_preempt09:22:521
921622840,1sleep28743-21kworker/u8:1808:35:152
3004322840,1sleep228467-21kworker/u8:1810:40:362
1832322840,1sleep25873-21kworker/u8:210:15:232
1832322840,1sleep25873-21kworker/u8:210:15:222
3244322820,2sleep126489-21kworker/u8:008:05:311
1863922810,2sleep20-21swapper/212:35:492
1863922810,2sleep20-21swapper/212:35:492
3226422800,2sleep20-21swapper/210:45:332
2453022800,1sleep122976-21kworker/u8:207:40:411
2453022800,1sleep122976-21kworker/u8:207:40:411
2819222790,1sleep227900-21kworker/u8:1007:55:012
178222790,1sleep126489-21kworker/u8:008:10:371
178222790,1sleep126489-21kworker/u8:008:10:371
373022780,2sleep10-21swapper/112:05:141
2660122780,2sleep226602-21modprobe11:45:002
2660122780,2sleep226602-21modprobe11:45:002
1324422780,1sleep29716-21kworker/u8:012:25:222
1926322770,1sleep111599-21kworker/u8:107:25:341
1558622770,1sleep114283-21kworker/u8:512:30:241
1281422770,2sleep112813-21ssh10:03:081
2437022760,1sleep123846-21kworker/u8:1711:40:011
2425322750,2sleep20-21swapper/210:28:452
2394622750,1sleep220580-21kworker/u8:1109:15:292
1915022750,17sleep123845-21kworker/u8:1612:37:411
1915022750,17sleep123845-21kworker/u8:1612:37:411
1190822750,2sleep20-21swapper/211:11:412
912622740,2sleep29124-21ssh11:05:382
3156922740,3sleep131095-21apt-get11:55:081
988322730,1sleep18743-21kworker/u8:1808:35:331
1318322730,2sleep211607-21kworker/u8:807:06:332
1955922720,1sleep214280-21kworker/u8:311:29:502
370922710,1sleep126489-21kworker/u8:008:15:401
1861222710,2sleep20-21swapper/207:25:152
1869822700,1sleep117291-21kworker/u8:409:00:361
436522690,1sleep1555-21kworker/u8:010:55:341
153322690,2sleep10-21swapper/109:37:541
153322690,2sleep10-21swapper/109:37:541
2978422680,2sleep229189-21kworker/u8:2109:29:362
2864122680,1sleep124827-21kworker/u8:709:25:361
2601722680,1sleep112683-21kworker/u8:1210:31:221
2601722680,1sleep112683-21kworker/u8:1210:31:211
2591122680,1sleep212683-21kworker/u8:1210:30:512
2591122680,1sleep212683-21kworker/u8:1210:30:512
1489422680,4sleep214896-21sendmail-msp11:20:002
814622670,1sleep17107-21kworker/u8:208:30:271
814622670,1sleep17107-21kworker/u8:208:30:271
759322670,1sleep25488-21kworker/u8:708:30:172
759322670,1sleep25488-21kworker/u8:708:30:162
2743422670,1sleep112684-21kworker/u8:1310:35:241
2058722670,1sleep117031-21kworker/u8:010:20:201
594922660,1sleep130467-21kworker/u8:112:10:091
1487022660,1sleep18744-21kworker/u8:1908:50:351
1150322660,1sleep28731-21kworker/u8:808:40:332
3085322650,3sleep119-21ksoftirqd/109:30:361
202522650,3sleep228453-1kworker/u9:210:50:292
1733922650,1sleep15873-21kworker/u8:210:13:131
1633922650,3sleep216337-21ntpq10:10:292
1336022650,2sleep113359-21irqstats12:25:251
98622640,2sleep20-21swapper/211:59:282
2837122640,2sleep20-21swapper/211:47:462
213122640,1sleep1493-21kworker/u8:512:00:321
1509222640,3sleep115090-21cron07:15:011
527622630,2sleep20-21swapper/212:08:012
2997722630,2sleep129675-21kworker/u8:1708:00:001
263922630,1sleep2493-21kworker/u8:512:01:092
1136622630,1sleep19717-21kworker/u8:212:20:431
1127722630,2sleep211246-21ssh10:00:152
966322620,1sleep18144-21kworker/u8:009:55:311
2531122620,1sleep120580-21kworker/u8:1109:19:451
2284922620,2sleep20-21swapper/209:13:512
1540722620,2sleep114281-1kworker/u9:311:20:211
1357022620,1sleep111987-21kworker/u8:611:15:331
556822610,6sleep113544-21cyclictest09:45:421
2242822610,2sleep20-21swapper/207:35:282
2240922610,2sleep10-21swapper/107:35:281
2149622610,1sleep120586-21kworker/u8:1709:10:211
2002422610,2sleep20-21swapper/209:05:282
1440122610,2sleep29939-1kworker/u9:007:10:352
2593822600,1sleep123637-21kworker/u8:1111:41:541
2593822600,1sleep123637-21kworker/u8:1111:41:541
174422600,5sleep222848-21kworker/2:009:38:572
174422600,5sleep222848-21kworker/2:009:38:572
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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