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2026-06-25 - 20:19
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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 Jun 25, 2026 12:45:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1639824280,4sleep225-21ksoftirqd/207:10:132
1704224030,6sleep214241-1kworker/u9:010:05:232
1704224030,6sleep214241-1kworker/u9:010:05:232
1219023810,2sleep29494-1kworker/u9:011:05:102
2498023730,2sleep10-21swapper/107:35:161
2498223380,2sleep224966-1kworker/u9:007:35:182
445923370,2sleep10-21swapper/109:37:181
445923370,2sleep10-21swapper/109:37:171
572123360,3sleep15673-21ssh09:40:241
2686223350,2sleep10-21swapper/107:40:201
2162123330,1sleep218226-21kworker/u8:1711:25:212
1592723310,7sleep129634-1kworker/u9:407:10:001
1446823310,5sleep121595-1kworker/u9:111:10:141
2418623250,1sleep222646-21kworker/u8:307:31:142
1571123250,2sleep20-21swapper/207:07:482
2816923150,2sleep20-21swapper/207:44:352
161823140,3sleep10-21swapper/111:50:471
1447023140,1sleep28778-21kworker/u8:211:10:142
970823070,2sleep20-21swapper/211:00:152
2433223040,3sleep224331-21ssh11:30:402
2433223040,3sleep224331-21ssh11:30:402
3089623020,1sleep218586-21kworker/u8:1009:25:172
822223010,2sleep18219-21ssh09:45:261
1466222990,2sleep111190-21kworker/u8:812:20:211
3246722980,6sleep1181rcuc/110:38:551
95222960,3sleep1950-21ssh09:30:191
2695022960,2sleep20-21swapper/209:15:312
1754522930,2sleep217538-21ssh12:25:332
1498922930,1sleep113666-21kworker/u8:1708:40:371
1014222900,2sleep10-21swapper/109:50:171
761222890,2sleep2121rcu_preempt12:05:152
357522890,2sleep20-21swapper/208:05:372
3064422860,4sleep212396-1kworker/u9:107:50:272
2900522860,1sleep225265-21kworker/u8:810:30:282
2411122860,5sleep215963-21cyclictest10:20:192
1536322850,2sleep215350-21ssh12:20:462
1056222830,2sleep20-21swapper/212:10:342
205622820,2sleep10-21swapper/110:42:251
119922820,1sleep232044-21kworker/u8:611:50:352
826722810,2sleep10-21swapper/108:20:271
3133022810,1sleep227396-21kworker/u8:411:45:322
1954922810,1sleep215811-21kworker/u8:1110:10:222
628722800,2sleep20-21swapper/212:00:542
628722800,2sleep20-21swapper/212:00:532
430922790,2sleep10-21swapper/110:47:201
834022770,1sleep27192-21kworker/u8:208:20:322
507922770,1sleep23913-21kworker/u8:708:10:342
1296422770,2sleep112963-21ssh11:05:501
823722760,1sleep26785-21kworker/u8:1309:45:262
2313422760,2sleep10-21swapper/107:30:121
1515422760,1sleep16775-21kworker/u8:110:00:341
1043122760,8sleep115963-21cyclictest12:10:261
3023122750,3sleep127396-21kworker/u8:411:44:281
977022740,2sleep19771-21latency_hist12:10:021
2860622740,2sleep228589-21apt-get09:20:152
1695622740,3sleep216958-21cpu11:15:162
800022730,2sleep20-21swapper/210:55:292
800022730,2sleep20-21swapper/210:55:292
2136222730,2sleep20-21swapper/209:00:322
2069522730,12sleep218218-21kworker/u8:911:23:242
1881922730,2sleep20-21swapper/207:15:352
303822720,2sleep20-21swapper/209:35:142
303822720,2sleep20-21swapper/209:35:142
1744822720,2sleep117445-21ssh10:05:381
1744822720,2sleep117445-21ssh10:05:381
1483322720,2sleep214797-21ssh10:00:232
2206322710,1sleep216005-21kworker/u8:212:35:292
2118722710,1sleep116005-21kworker/u8:212:35:001
668622700,2sleep20-21swapper/208:15:342
668622700,2sleep20-21swapper/208:15:332
2464222700,1sleep120211-21kworker/u8:509:10:331
2309322700,1sleep118584-21kworker/u8:609:05:371
767922690,2sleep17673-21ssh10:55:201
767922690,2sleep17673-21ssh10:55:201
514522690,2sleep24190-21kworker/u8:410:50:102
514522690,2sleep24190-21kworker/u8:410:50:102
405322690,2sleep20-21swapper/210:46:122
2633122690,2sleep126330-21df11:35:261
1580022690,2sleep30-21swapper/307:08:573
2221722680,2sleep122212-21ssh10:15:311
1248722680,1sleep16781-21kworker/u8:809:55:221
278522670,1sleep1326-21kworker/u8:608:05:101
1781822670,1sleep216958-21kworker/u8:708:50:232
305722660,2sleep22986-21ssh11:55:172
305722660,2sleep22986-21ssh11:55:172
2881922660,1sleep121005-21kworker/u8:107:45:241
2646422660,2sleep225266-21kworker/u8:910:25:212
1930222660,2sleep121595-1kworker/u9:111:20:181
1802722660,1sleep116005-21kworker/u8:212:25:551
994622650,2sleep10-21swapper/108:25:331
522222650,1sleep13913-21kworker/u8:708:10:381
3249822650,2sleep20-21swapper/210:39:042
2466322650,2sleep20-21swapper/209:10:342
2296922650,1sleep122629-21kworker/u8:111:28:221
1283322650,3sleep2683-1kworker/u9:109:55:322
704922640,1sleep13913-21kworker/u8:708:15:411
704922640,1sleep13913-21kworker/u8:708:15:401
2634022640,1sleep222628-21kworker/u8:011:35:282
2630322640,1sleep120210-21kworker/u8:409:15:151
1407922640,1sleep213467-21kworker/u8:012:19:522
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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