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2026-05-10 - 22:05
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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 May 10, 2026 12:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1321823790,1sleep29802-21kworker/u8:1110:40:182
3146623680,2sleep10-21swapper/112:30:131
2190223630,2sleep20-21swapper/208:25:102
1321023440,1sleep19804-21kworker/u8:1310:40:161
3003423420,2sleep20-21swapper/210:05:312
3003423420,2sleep20-21swapper/210:05:312
136023290,5sleep1342-21kworker/u8:012:35:151
2504823280,1sleep123603-21kworker/u8:312:15:321
51423190,2sleep10-21swapper/107:20:341
1005323130,2sleep20-21swapper/211:43:542
314623120,1sleep22046-21kworker/u8:609:05:302
314623120,1sleep22046-21kworker/u8:609:05:292
670723070,3sleep16697-21apt-get07:40:171
3123823070,2sleep10-21swapper/110:09:281
3123823070,2sleep10-21swapper/110:09:281
2566023070,17sleep10-21swapper/111:05:451
3221023020,2sleep20-21swapper/211:20:382
2863122990,3sleep128629-21ssh12:24:491
1435322950,2sleep114354-21/usr/sbin/munin09:30:411
1812622940,2sleep118117-21ssh10:50:211
136122880,2sleep20-21swapper/212:35:172
3214122870,1sleep130505-21kworker/u8:211:20:371
3129422840,1sleep230115-21kworker/u8:1307:15:332
3054722810,4sleep230550-21missed_timers08:50:232
2307922810,1sleep210013-21kworker/u8:909:50:242
838422800,1sleep17892-21kworker/u8:6507:45:171
3235222800,2sleep132344-21ssh10:10:361
3063222800,1sleep130303-21kworker/u8:312:28:261
3003922790,3sleep228544-21kworker/u8:307:10:382
2562022790,2sleep20-21swapper/208:35:242
1251022790,1sleep17842-21kworker/u8:1607:55:341
2521622770,7sleep224418-1kworker/u9:111:05:302
1627122770,1sleep212505-21kworker/u8:309:35:372
1099322770,2sleep20-21swapper/210:35:212
2843622750,1sleep226207-21kworker/u8:510:01:582
949122740,1sleep15610-21kworker/u8:009:20:361
774022740,1sleep15610-21kworker/u8:009:16:351
1762822740,2sleep216738-21kworker/u8:1312:00:102
52022730,1sleep223620-21kworker/u8:207:20:352
678922720,2sleep16779-21ssh10:25:321
2967322720,2sleep20-21swapper/212:25:352
2798022720,2sleep20-21swapper/207:05:282
1821322720,2sleep118205-21ssh12:00:251
222422710,3sleep22223-21ntpq07:25:382
2120522710,1sleep121117-21kworker/u8:112:06:481
917522700,1sleep22845-21kworker/u8:810:30:392
1743122700,2sleep10-21swapper/108:10:341
221322690,1sleep130115-21kworker/u8:1307:25:361
1879922690,1sleep216934-21kworker/u8:110:50:392
1810222690,1sleep210013-21kworker/u8:909:40:232
1410222690,1sleep29609-21kworker/u8:111:51:382
1410222690,1sleep29609-21kworker/u8:111:51:372
310122680,1sleep12844-21kworker/u8:710:17:561
2981522680,1sleep225916-21kworker/u8:011:15:352
2751722680,1sleep223629-21kworker/u8:211:10:332
258722680,2sleep20-21swapper/210:15:402
2621322670,1sleep226205-21kworker/u8:309:57:222
1350322670,2sleep20-21swapper/208:00:142
1127822670,2sleep131307-21kworker/1:209:25:191
316422660,2sleep10-21swapper/111:28:331
3050922660,1sleep127892-21kworker/u8:808:50:211
2980022660,2sleep10-21swapper/111:15:341
1536022660,1sleep214199-21kworker/u8:1111:55:192
585422650,3sleep24300-21kworker/u8:907:35:582
3126822650,2sleep126907-1kworker/u9:007:15:331
2268622650,2sleep10-21swapper/112:10:211
556522640,2sleep12843-21kworker/u8:610:23:431
2709922640,2sleep10-21swapper/111:10:191
1960322640,1sleep116895-21kworker/u8:1209:43:031
1668522640,2sleep10-21swapper/108:10:011
1384622640,2sleep20-21swapper/209:30:262
375022630,2sleep20-21swapper/207:30:282
2779722630,2sleep10-21swapper/110:00:361
2044322630,1sleep119531-21kworker/u8:1208:20:231
1582322630,1sleep110011-21kworker/u8:709:35:201
2292722620,2sleep222922-21ssh11:00:272
1719922620,1sleep116735-21kworker/u8:811:59:241
488922610,1sleep23689-21kworker/u8:409:10:332
289422610,2sleep20-21swapper/211:27:172
2167022610,1sleep221309-21kworker/u8:1210:58:262
991922600,2sleep20-21swapper/209:21:022
1207422600,1sleep211906-21kworker/u8:211:47:432
981922590,2sleep10-21swapper/111:42:491
859422590,1sleep23686-21kworker/u8:109:20:012
711922590,2sleep10-21swapper/111:35:491
2277422590,1sleep221117-21kworker/u8:112:10:282
1898822590,1sleep217887-21kworker/u8:008:15:302
1396722590,2sleep10-21swapper/108:00:261
116522590,1sleep231153-21kworker/u8:1809:00:242
116522590,1sleep231153-21kworker/u8:1809:00:232
2965622580,2sleep129649-21ntpq07:10:291
2729622580,2sleep227288-21ssh12:20:272
2705022580,1sleep224683-21kworker/u8:308:40:182
2705022580,1sleep224683-21kworker/u8:308:40:172
2584522580,1sleep123698-21kworker/u8:209:55:411
2352822580,2sleep20-21swapper/208:30:132
2095022580,3sleep220949-21ssh09:45:292
1128722580,2sleep20-21swapper/209:25:192
599122570,3sleep20-21swapper/211:35:092
2499522570,2sleep20-21swapper/212:15:292
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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