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2025-12-27 - 02:27
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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 Dec 26, 2025 12:45:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1312925270,8sleep225-21ksoftirqd/209:15:432
2836523640,3sleep128357-21ssh10:50:301
2286523550,1sleep222164-21kworker/u8:2208:20:122
2286423530,1sleep122164-21kworker/u8:2208:20:111
1240423460,1sleep228823-21kworker/u8:510:20:162
1521023400,2sleep10-21swapper/112:33:121
3000123130,1sleep128576-21kworker/u8:007:10:361
876423100,1sleep15516-21kworker/u8:007:40:341
2865823100,2sleep10-21swapper/108:35:191
1112223090,1sleep29974-21kworker/u8:212:25:212
1494623040,1sleep114700-21kworker/u8:608:00:011
639723030,2sleep10-21swapper/109:00:341
639723030,2sleep10-21swapper/109:00:331
182523010,4sleep119-21ksoftirqd/107:22:171
36322920,1sleep232312-21kworker/u8:607:20:142
180922920,3sleep225-21ksoftirqd/208:50:142
3182722910,2sleep10-21swapper/107:15:341
351822880,3sleep13509-21ssh11:05:261
640722870,2sleep20-21swapper/209:00:352
640722870,2sleep20-21swapper/209:00:352
452222860,2sleep20-21swapper/208:55:322
2743322860,2sleep10-21swapper/108:30:341
1489622850,1sleep231157-21kworker/u8:710:25:142
1035622840,5sleep210286-21ssh09:10:362
261722830,1sleep11313-21kworker/u8:408:50:281
1526422830,3sleep215259-21apt-get11:30:122
1526422830,3sleep215259-21apt-get11:30:112
3216222810,1sleep225861-21kworker/u8:809:55:152
2573022810,2sleep20-21swapper/210:45:242
2334722810,2sleep20-21swapper/211:45:322
397622770,1sleep21626-21kworker/u8:711:05:392
1745622770,2sleep10-21swapper/110:30:161
452722760,2sleep10-21swapper/107:30:221
2724222760,1sleep126714-21kworker/u8:3507:05:161
2724222760,1sleep126714-21kworker/u8:3507:05:161
1418222760,1sleep212853-21kworker/u8:1407:55:322
3053422750,1sleep129755-21kworker/u8:708:40:211
895122740,2sleep123319-21kworker/u8:110:12:151
2182622740,6sleep225-21ksoftirqd/209:35:042
288722730,2sleep10-21swapper/112:09:551
2548822730,2sleep20-21swapper/208:25:282
2461422730,2sleep223406-1kworker/u9:110:44:282
2242222730,2sleep20-21swapper/211:44:302
1828322730,1sleep20-21swapper/210:30:292
1056022730,10sleep119-21ksoftirqd/110:15:281
762422710,1sleep15035-21kworker/u8:809:05:201
762422710,1sleep15035-21kworker/u8:809:05:191
3055222700,2sleep222158-1kworker/u9:208:40:232
1746422700,1sleep10-21swapper/111:34:521
1746422700,1sleep10-21swapper/111:34:521
1240222700,3sleep112392-21apt-get10:20:151
968122690,1sleep25516-21kworker/u8:007:45:142
962722690,1sleep221493-21kworker/u8:011:18:292
848722690,1sleep17390-21kworker/u8:4212:20:161
3244822690,1sleep229603-21kworker/u8:1012:03:172
2025822690,1sleep116624-21kworker/u8:310:35:221
915622680,3sleep29152-21ssh12:20:292
2838522680,1sleep216627-21kworker/u8:910:50:312
1647022680,3sleep228906-21cyclictest09:24:392
2810322670,3sleep214465-1kworker/u9:307:05:352
2810322670,3sleep214465-1kworker/u9:307:05:342
1730822670,2sleep20-21swapper/208:05:202
3191522660,2sleep10-21swapper/110:58:301
154022660,2sleep10-21swapper/111:01:031
602722650,1sleep131667-21kworker/u8:211:10:281
3261222650,2sleep131634-1kworker/u9:008:45:261
278222650,1sleep224728-21kworker/u8:212:09:242
2535922650,6sleep17709-1kworker/u9:011:50:021
2209522650,1sleep119429-21kworker/u8:1611:42:561
1432022650,1sleep19250-21kworker/u8:611:26:481
1432022650,1sleep19250-21kworker/u8:611:26:481
2707222640,1sleep28701-21kworker/u8:2009:45:052
1634522640,2sleep10-21swapper/110:26:221
916122630,3sleep27294-21kworker/u8:507:41:452
440322630,1sleep21815-21kworker/u8:1107:30:182
3266222630,1sleep129603-21kworker/u8:1012:04:171
3091222630,1sleep221493-21kworker/u8:010:55:342
2143722630,1sleep11313-21kworker/u8:409:34:231
2143722630,1sleep11313-21kworker/u8:409:34:231
1263922630,1sleep15516-21kworker/u8:007:50:391
540722620,1sleep15030-21kworker/u8:309:00:021
409722620,1sleep223319-21kworker/u8:110:02:592
409722620,1sleep223319-21kworker/u8:110:02:592
2799222620,2sleep30-21swapper/307:05:273
2799222620,2sleep30-21swapper/307:05:263
979122610,1sleep28963-21kworker/u8:610:15:052
653722610,6sleep128906-21cyclictest12:15:271
653722610,6sleep128906-21cyclictest12:15:261
406422610,2sleep10-21swapper/112:10:321
406422610,2sleep10-21swapper/112:10:321
2590522610,1sleep111506-21kworker/u8:1610:45:321
1590922610,1sleep214697-21kworker/u8:308:00:262
1590922610,1sleep214697-21kworker/u8:308:00:262
1587622610,1sleep215076-21kworker/u8:712:35:092
1908422600,1sleep18700-21kworker/u8:1909:30:011
2802422590,3sleep128018-21ssh09:45:411
2698122590,2sleep10-21swapper/111:51:181
2659022590,3sleep126585-21ssh09:45:001
1526222590,7sleep225-21ksoftirqd/212:33:242
1114822590,2sleep20-21swapper/211:20:312
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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