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2025-12-25 - 12:57
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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 Dec 25, 2025 00:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3201023990,3sleep15931-1kworker/u9:023:50:171
3201523620,1sleep223187-21kworker/u8:2223:50:172
1289823610,1sleep111851-21kworker/u8:1522:10:181
1290323330,3sleep212398-21apt-get22:10:202
1565223310,7sleep111854-1kworker/u9:322:15:241
979123180,2sleep10-21swapper/122:04:391
364123130,2sleep10-21swapper/123:56:451
2092923060,2sleep20-21swapper/200:30:392
581623030,2sleep10-21swapper/119:18:021
581623030,2sleep10-21swapper/119:18:021
330923010,2sleep20-21swapper/220:38:172
1877423000,2sleep20-21swapper/219:52:292
233122970,3sleep12330-21ssh21:49:551
1869722960,2sleep218695-21ssh22:20:292
1365122960,3sleep219477-21kworker/2:019:40:022
2940822940,2sleep20-21swapper/222:40:352
2940822940,2sleep20-21swapper/222:40:342
525722890,1sleep22040-21kworker/u8:1019:15:342
525722890,1sleep22040-21kworker/u8:1019:15:342
923122880,2sleep20-21swapper/223:05:292
923122880,2sleep20-21swapper/223:05:282
3246922870,1sleep231544-21kworker/u8:421:45:072
3191922870,1sleep231544-21kworker/u8:422:45:332
1735122830,2sleep213713-21kworker/u8:000:25:122
2685222820,1sleep225028-21kworker/u8:122:35:372
2370422810,2sleep10-21swapper/123:34:581
150422810,2sleep10-21swapper/119:05:321
1399522810,17sleep113961-21kworker/u8:1300:17:431
717822800,2sleep20-21swapper/200:05:102
1136122800,1sleep210573-21kworker/u8:1021:00:192
498322790,3sleep24982-21ssh00:00:242
498322790,3sleep24982-21ssh00:00:242
493622790,1sleep127573-21kworker/u8:022:55:421
1277422790,2sleep10-21swapper/123:10:551
1868322780,2sleep111854-1kworker/u9:322:20:281
1482622780,1sleep113022-21kworker/u8:823:15:331
2045822760,1sleep116885-21kworker/u8:219:55:411
2045822760,1sleep116885-21kworker/u8:219:55:411
2425322750,1sleep223996-21kworker/u8:800:38:152
2172822730,2sleep10-21swapper/100:33:151
304122720,2sleep23035-21ssh23:55:372
2422922720,2sleep10-21swapper/122:30:291
2420122720,3sleep123736-21apt-get23:35:051
1766322720,1sleep211850-21kworker/u8:1422:19:082
1578722720,2sleep20-21swapper/219:45:212
1560522720,2sleep20-21swapper/200:20:262
1560522720,2sleep20-21swapper/200:20:262
800422710,2sleep17998-21ssh00:05:291
394822710,9sleep12347-21cyclictest21:50:431
2767922710,1sleep127574-21kworker/u8:222:37:411
2181922700,2sleep221813-21ssh22:25:362
1241722700,2sleep112416-21ssh22:10:021
1241722700,2sleep112416-21ssh22:10:021
1054422700,1sleep28847-21kworker/u8:800:10:292
2929922690,2sleep229298-21ssh23:45:142
2632422690,1sleep123957-21kworker/u8:521:31:021
2617122690,2sleep118665-21kworker/u8:1420:12:421
2405022690,3sleep124049-21ssh21:27:001
2371222680,3sleep225-21ksoftirqd/220:05:322
83922670,1sleep227939-21kworker/u8:320:30:402
684122670,2sleep10-21swapper/119:20:231
398022670,1sleep21383-21kworker/u8:2320:40:172
2831522670,2sleep20-21swapper/223:41:522
2722222670,2sleep20-21swapper/221:35:012
2390622670,3sleep223905-21ssh21:26:212
1573522670,1sleep113961-21kworker/u8:1300:20:331
1573522670,1sleep113961-21kworker/u8:1300:20:331
496722660,3sleep14962-21diskstats00:00:231
496722660,3sleep14962-21diskstats00:00:231
2686122660,2sleep10-21swapper/120:15:191
262422660,1sleep22611-21kworker/u8:522:51:372
645322650,2sleep227944-1kworker/u9:320:45:362
605422650,2sleep20-21swapper/221:55:352
339922650,2sleep20-21swapper/219:10:312
2420622650,1sleep223189-21kworker/u8:2423:35:072
2375422650,1sleep118754-21kworker/u8:2120:05:341
2796222640,1sleep227939-21kworker/u8:320:17:022
1580922640,9sleep22347-21cyclictest23:18:222
1510922640,2sleep215108-21ssh21:10:212
1224522640,1sleep22612-21kworker/u8:623:10:272
2944522630,1sleep127575-21kworker/u8:322:40:381
2944522630,1sleep127575-21kworker/u8:322:40:371
2906622630,1sleep220524-21kworker/u8:3120:20:222
1833022630,2sleep218329-21ssh21:15:392
1053522620,2sleep15721-1kworker/u9:000:10:281
764522610,1sleep26542-21kworker/u8:722:00:092
750422610,2sleep20-21swapper/223:00:452
750422610,2sleep20-21swapper/223:00:442
2775322610,2sleep20-21swapper/221:35:222
2241322610,2sleep222409-21ssh23:30:372
2128922610,1sleep215541-21kworker/u8:423:30:012
1416522610,1sleep16973-21kworker/u8:221:05:411
1204822610,3sleep112047-21proc_pri21:00:391
619622600,1sleep12613-21kworker/u8:723:00:161
619622600,1sleep12613-21kworker/u8:723:00:161
1916522600,8sleep120615-1kworker/u9:021:17:521
1816322600,2sleep118155-21ssh00:25:271
1638322600,1sleep114300-21kworker/u8:1121:11:481
2010022590,1sleep218665-21kworker/u8:1419:55:352
2010022590,1sleep218665-21kworker/u8:1419:55:342
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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