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2026-01-05 - 10:43
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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 Mon Jan 05, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3210323300,1sleep228581-21kworker/u8:123:35:172
3210223270,1sleep120932-21kworker/u8:523:35:161
662123190,3sleep20-21swapper/222:45:142
2277923130,2sleep20-21swapper/221:08:052
2400623100,1sleep220129-21kworker/u8:622:15:222
774823090,2sleep20-21swapper/221:42:492
606723070,9sleep119-21ksoftirqd/122:44:481
602123070,1sleep12506-21kworker/u8:121:40:161
1770523070,3sleep117699-21ssh23:05:361
1367623070,2sleep20-21swapper/220:44:332
1621623050,2sleep10-21swapper/100:06:051
2196023040,2sleep225-21ksoftirqd/222:10:322
1212823030,1sleep110165-21kworker/u8:021:50:411
717623010,2sleep10-21swapper/120:25:381
2043223010,1sleep219013-21kworker/u8:3121:00:402
1152423010,1sleep29865-21kworker/u8:419:10:392
2519822940,2sleep20-21swapper/219:50:192
1319422930,1sleep211242-21kworker/u8:300:00:312
1130122920,2sleep20-21swapper/221:50:212
2079122910,2sleep220783-21ssh00:15:382
831922900,3sleep18151-21kworker/u8:122:47:271
227722890,1sleep225231-21kworker/u8:222:35:362
1503622870,4sleep225-21ksoftirqd/221:56:412
1503622870,4sleep225-21ksoftirqd/221:56:402
3179122840,1sleep130493-21kworker/u8:820:05:261
3179122840,1sleep130493-21kworker/u8:820:05:261
2972922830,3sleep129684-21ssh22:25:381
1621422830,2sleep2241rcuc/223:03:482
1678722820,1sleep215840-21kworker/u8:923:05:172
234722810,1sleep21235-21kworker/u8:1323:40:212
1960822800,2sleep119565-21ssh00:15:011
1572422790,2sleep20-21swapper/200:05:332
1678122780,2sleep10-21swapper/119:25:371
2937522770,2sleep229360-21apt-get23:30:132
505222760,1sleep13912-21kworker/u8:420:20:261
2110022760,2sleep20-21swapper/223:13:052
1699022760,1sleep112473-21kworker/u8:222:00:331
2851722750,1sleep226522-21kworker/u8:200:30:422
264522750,1sleep125231-21kworker/u8:222:35:431
2710822740,2sleep123470-1kworker/u9:122:20:361
2710822740,2sleep123470-1kworker/u9:122:20:351
2586722740,3sleep11881-21snmpd00:25:381
876022720,3sleep232334-1kworker/u9:321:45:192
874822720,2sleep20-21swapper/220:30:252
38222720,2sleep10-21swapper/122:32:131
882622710,1sleep17924-21kworker/u8:1319:05:231
2594322710,1sleep113246-21kworker/u8:023:22:041
1116222710,1sleep19868-21kworker/u8:1219:10:301
3171022700,1sleep231655-21kworker/u8:900:37:332
3047522700,2sleep20-21swapper/221:24:492
2714122700,1sleep220932-21kworker/u8:523:25:232
1040122700,1sleep28893-21kworker/u8:223:55:242
2407522690,2sleep224069-21ssh21:10:292
1819822690,2sleep210143-21cyclictest00:10:322
1396822690,2sleep10-21swapper/100:02:101
1306322690,7sleep11804-1kworker/u9:220:40:451
1142322690,2sleep20-21swapper/220:37:322
2712322670,1sleep225231-21kworker/u8:222:20:372
2712322670,1sleep225231-21kworker/u8:222:20:362
2523522670,1sleep124731-21kworker/u8:319:50:221
874022660,2sleep30-21swapper/319:05:203
2188122660,1sleep118848-21kworker/u8:2500:19:031
850422650,2sleep10-21swapper/121:45:131
530422650,2sleep20-21swapper/220:20:352
2791122650,2sleep10-21swapper/119:55:361
1079422650,1sleep17664-21kworker/u8:1620:35:301
2617422640,1sleep220933-21kworker/u8:623:23:102
1760022640,2sleep229799-21kworker/u8:822:01:472
987922630,2sleep10-21swapper/122:50:291
531622630,3sleep132334-1kworker/u9:321:38:141
2930122630,1sleep219163-21kworker/u8:6720:00:252
2912122630,5sleep119-21ksoftirqd/123:30:001
2298422630,3sleep122961-21ssh21:10:001
935422620,3sleep17558-1kworker/u9:023:54:191
2340322620,2sleep123363-21ssh22:15:011
1928122620,2sleep10-21swapper/123:10:101
1406422620,1sleep113506-21kworker/u8:2419:20:151
505622610,1sleep13816-21kworker/u8:623:45:221
505622610,1sleep13816-21kworker/u8:623:45:211
314622610,1sleep11803-21kworker/u8:920:15:321
307622610,1sleep11228-21kworker/u8:423:40:321
426222600,2sleep20-21swapper/221:35:292
2189222600,2sleep20-21swapper/219:40:262
1851322600,1sleep117253-21kworker/u8:419:30:281
2587622590,1sleep218848-21kworker/u8:2500:25:392
2266622590,3sleep122658-21ssh00:20:201
2266622590,3sleep122658-21ssh00:20:201
1997522590,2sleep20-21swapper/222:06:062
1886522590,2sleep118861-21ssh22:05:191
1418722590,7sleep119-21ksoftirqd/120:45:161
1418722590,7sleep119-21ksoftirqd/120:45:161
1397322590,2sleep20-21swapper/220:45:142
1397322590,2sleep20-21swapper/220:45:132
1353822590,2sleep129799-21kworker/u8:821:55:141
1353822590,2sleep129799-21kworker/u8:821:55:141
3240922580,6sleep232334-1kworker/u9:321:27:092
2993822580,2sleep10-21swapper/120:00:361
2936922580,1sleep128582-21kworker/u8:223:30:111
2915022580,2sleep10-21swapper/121:20:331
120622580,4sleep226589-1kworker/u9:320:10:302
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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