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2026-06-21 - 07:48
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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 Sun Jun 21, 2026 00:45:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1234624420,1sleep28587-21kworker/u8:6120:20:142
1028123640,9sleep225-21ksoftirqd/222:50:402
1028123640,9sleep225-21ksoftirqd/222:50:402
539523320,2sleep20-21swapper/222:40:322
890723200,2sleep10-21swapper/122:49:581
1739823150,2sleep20-21swapper/200:20:102
1011723090,2sleep17612-21kworker/u8:800:03:491
1011723090,2sleep17612-21kworker/u8:800:03:491
464923050,1sleep228614-21kworker/u8:523:50:392
261523040,2sleep22618-21timerandwakeup23:45:372
3013523020,1sleep228615-21kworker/u8:623:35:262
1273323010,1sleep27241-21kworker/u8:021:45:332
811723000,2sleep20-21swapper/221:35:292
221622970,3sleep22199-21munin-run22:35:002
1286922970,11sleep2121rcu_preempt00:10:132
3210822960,2sleep20-21swapper/222:30:012
2847122930,2sleep10-21swapper/123:31:151
555622900,1sleep24357-21kworker/u8:721:30:212
2784722890,2sleep20-21swapper/219:29:232
2784722890,2sleep20-21swapper/219:29:232
2469422870,2sleep20-21swapper/222:12:082
2469422870,2sleep20-21swapper/222:12:072
1846822870,1sleep116470-21kworker/u8:400:20:411
2864722830,2sleep20-21swapper/221:10:162
1608322830,2sleep216058-21ssh23:05:162
1437422830,2sleep10-21swapper/123:00:291
3019122820,1sleep128609-21kworker/u8:123:35:311
291222820,2sleep20-21swapper/219:50:302
1664022820,1sleep14354-21kworker/u8:121:55:131
2561322810,1sleep219492-21kworker/u8:1123:25:262
2316322810,1sleep215150-21kworker/u8:023:20:242
2316322810,1sleep215150-21kworker/u8:023:20:232
78522800,1sleep129307-21kworker/u8:2122:30:371
3149622800,2sleep20-21swapper/221:15:302
1672522790,6sleep225-21ksoftirqd/200:18:132
359122780,2sleep10-21swapper/122:35:591
2516822760,2sleep20-21swapper/219:20:182
1490622760,1sleep24357-21kworker/u8:721:50:312
801222750,2sleep10-21swapper/120:05:291
2163022750,2sleep20-21swapper/219:10:132
2163022750,2sleep20-21swapper/219:10:132
948022740,2sleep20-21swapper/200:00:402
948022740,2sleep20-21swapper/200:00:402
3240722740,1sleep129916-21kworker/u8:421:17:581
301022740,2sleep20-21swapper/221:25:162
2260122740,1sleep220205-21kworker/u8:522:07:452
1374822740,3sleep213747-21ssh23:00:132
1041222740,3sleep210405-21ntpq21:40:302
677022730,1sleep128609-21kworker/u8:123:55:291
468322730,4sleep11751-21kworker/u8:319:55:321
760222720,2sleep20-21swapper/222:45:302
2063222720,4sleep3301rcuc/319:05:313
1069222720,1sleep110217-21kworker/u8:820:15:141
575522710,1sleep14358-21kworker/u8:821:30:251
2351222710,2sleep20-21swapper/219:15:192
2841122700,1sleep227683-21kworker/u8:1819:30:192
2739722700,1sleep126991-21kworker/u8:622:19:111
1599422700,3sleep115977-21apt-get23:05:151
1039422700,2sleep10-21swapper/121:40:291
2962222690,1sleep229301-21kworker/u8:1522:23:532
2616022690,3sleep226155-21ssh22:15:252
2304622690,6sleep221053-1kworker/u9:000:31:002
1495722690,1sleep14357-21kworker/u8:721:50:351
1158522690,1sleep110573-21kworker/u8:122:55:171
740322680,2sleep20-21swapper/220:05:142
2717422680,2sleep10-21swapper/119:25:321
2717422680,2sleep10-21swapper/119:25:311
1422022680,1sleep110211-21kworker/u8:120:25:191
644122670,1sleep15248-21kworker/u8:920:00:351
615522670,1sleep228609-21kworker/u8:123:55:132
2484922670,1sleep18926-21kworker/u8:422:12:521
2484922670,1sleep18926-21kworker/u8:422:12:511
2077422670,3sleep220773-21ssh23:15:202
2028522670,2sleep20-21swapper/222:02:182
1462522670,1sleep211761-21kworker/u8:1620:25:322
1265422670,7sleep112651-21ntpq21:45:281
1127822670,1sleep17612-21kworker/u8:800:05:301
1127822670,1sleep17612-21kworker/u8:800:05:301
3251722660,1sleep228615-21kworker/u8:623:40:342
3251722660,1sleep228615-21kworker/u8:623:40:342
2206122660,1sleep121059-21kworker/u8:800:30:181
2105822660,2sleep10-21swapper/119:06:211
86822650,1sleep132518-21kworker/u8:1819:45:181
2326222650,1sleep122742-21kworker/u8:2319:15:151
1265122650,2sleep20-21swapper/222:56:152
980322640,2sleep10-21swapper/122:50:281
980322640,2sleep10-21swapper/122:50:271
972422640,1sleep26903-21kworker/u8:1020:10:332
2698422640,2sleep10-21swapper/121:05:131
2266522640,2sleep20-21swapper/220:50:292
2132022640,1sleep221092-21kworker/u8:119:09:412
109922640,3sleep11044-21sh21:20:231
3248722630,2sleep10-21swapper/119:41:241
3248722630,2sleep10-21swapper/119:41:231
3013822630,1sleep129301-21kworker/u8:1522:25:131
2786222630,1sleep219492-21kworker/u8:1123:30:252
2481022630,5sleep223334-21kworker/u8:500:35:412
2234622630,2sleep10-21swapper/120:50:201
907522620,1sleep18723-21kworker/u8:221:38:001
328222620,3sleep129916-21kworker/u8:421:25:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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