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2026-06-16 - 23:15
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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 Tue Jun 16, 2026 12:45:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1301823990,3sleep113019-21/usr/sbin/munin07:05:171
1301823990,3sleep113019-21/usr/sbin/munin07:05:161
1486723480,2sleep20-21swapper/211:15:382
1191923420,2sleep10-21swapper/111:10:201
3272823280,2sleep232726-21ssh10:45:152
2339423270,9sleep225-21ksoftirqd/207:35:362
2339423270,9sleep225-21ksoftirqd/207:35:352
51623230,1sleep131845-21kworker/u8:709:35:171
51623230,1sleep131845-21kworker/u8:709:35:171
287223170,2sleep22878-21kworker/u8:708:11:262
259623170,1sleep11672-21kworker/u8:010:50:171
1518423140,2sleep10-21swapper/112:27:441
3136523120,2sleep20-21swapper/210:41:022
1957223100,1sleep213148-21kworker/u8:011:25:412
1957223100,1sleep213148-21kworker/u8:011:25:402
2392323080,1sleep212741-21kworker/u8:1509:15:192
915123030,2sleep10-21swapper/109:54:101
915123030,2sleep10-21swapper/109:54:101
2595723000,2sleep10-21swapper/111:40:191
1468523000,1sleep19044-21kworker/u8:107:10:201
1194322970,1sleep23956-21kworker/u8:411:10:312
2338222940,1sleep118809-21kworker/u8:807:35:351
2338222940,1sleep118809-21kworker/u8:807:35:351
2765422910,6sleep2121rcu_preempt07:50:112
2186822900,2sleep20-21swapper/209:10:242
1440822900,2sleep20-21swapper/210:05:212
3238222890,3sleep132346-21apt-key10:45:021
2068322890,2sleep120655-21ssh10:20:011
1651622890,1sleep210565-21kworker/u8:612:30:252
2017722880,2sleep218809-21kworker/u8:807:25:432
440122870,3sleep14369-21ssh12:05:001
857322860,2sleep27581-21kworker/2:108:30:192
522022860,2sleep20-21swapper/212:05:262
3137022860,1sleep229789-21kworker/u8:609:30:352
2422522860,2sleep124211-21ssh09:15:261
1705622850,1sleep110939-21kworker/u8:610:10:311
2181922840,2sleep121810-21ssh11:30:301
1717822830,2sleep28593-21kworker/u8:1611:20:362
1717822830,2sleep28593-21kworker/u8:1611:20:362
639122820,2sleep2121rcu_preempt10:57:502
380022810,2sleep20-21swapper/210:51:272
1302922800,1sleep29044-21kworker/u8:107:05:182
1302922800,1sleep29044-21kworker/u8:107:05:172
987122790,2sleep10-21swapper/109:55:191
2203122790,8sleep119-21ksoftirqd/109:10:301
1820722790,1sleep117400-21kworker/u8:012:35:161
1798222790,1sleep215531-21kworker/u8:1507:20:222
2793522780,1sleep126755-21kworker/u8:1810:35:071
2953922770,1sleep228785-21kworker/u8:107:55:172
2953922770,1sleep228785-21kworker/u8:107:55:172
1935222750,1sleep213241-21kworker/u8:410:15:342
1206422750,2sleep212052-21ssh12:20:292
918222730,2sleep10-21swapper/112:15:141
77922730,2sleep10-21swapper/108:05:341
3249822730,2sleep10-21swapper/111:55:141
1369122730,1sleep28272-21kworker/u8:212:25:082
743622720,1sleep26007-21kworker/u8:112:10:242
3086722720,2sleep230860-21ssh11:50:302
2617622720,1sleep220089-21kworker/u8:1010:30:352
2617622720,1sleep220089-21kworker/u8:1010:30:342
2463622720,1sleep120282-21kworker/u8:311:36:211
1368822720,2sleep10-21swapper/110:04:161
797822710,1sleep225634-21kworker/u8:009:50:302
797822710,1sleep225634-21kworker/u8:009:50:302
1835122710,1sleep115906-21kworker/u8:109:00:181
3034422700,8sleep114218-21cyclictest09:29:581
1224522700,5sleep2241rcuc/210:00:242
723922690,1sleep16179-21kworker/u8:1808:25:231
3002022690,3sleep229418-21kworker/u8:2311:50:012
2616622690,2sleep20-21swapper/209:20:142
2616622690,2sleep20-21swapper/209:20:142
2571222690,1sleep224826-21kworker/u8:411:40:162
1716622690,1sleep113369-21kworker/u8:511:20:361
1716622690,1sleep113369-21kworker/u8:511:20:351
124422690,2sleep21243-21sshd08:06:262
901922680,1sleep17802-21kworker/u8:008:30:391
3136022680,2sleep129105-1kworker/u9:109:30:341
1962522680,2sleep10-21swapper/111:25:441
1962522680,2sleep10-21swapper/111:25:431
1560422680,1sleep20-21swapper/207:12:572
616122670,2sleep10-21swapper/112:07:451
2949222670,2sleep20-21swapper/209:25:452
2683122670,1sleep125636-21kworker/u8:109:20:371
2683122670,1sleep125636-21kworker/u8:109:20:371
2171522670,1sleep220659-21kworker/u8:007:30:292
2121222670,1sleep220296-21kworker/u8:1611:30:152
1511422670,1sleep12874-21kworker/u8:308:50:201
1451322670,1sleep113239-21kworker/u8:310:05:241
2052822660,1sleep118809-21kworker/u8:807:25:501
998822650,3sleep26881-1kworker/u9:111:05:272
998822650,3sleep26881-1kworker/u9:111:05:262
579622650,2sleep15792-21ssh09:45:341
1661122650,5sleep214218-21cyclictest07:15:282
1595022650,1sleep114920-21kworker/u8:312:30:131
369022640,3sleep129105-1kworker/u9:109:40:391
1390922640,2sleep20-21swapper/208:45:352
1007322640,1sleep26007-21kworker/u8:112:15:422
732722630,1sleep26179-21kworker/u8:1808:25:292
1866122630,2sleep20-21swapper/209:00:272
994122620,1sleep124688-21kworker/u8:211:05:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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