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2026-04-07 - 15:46
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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 Tue Apr 07, 2026 12:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
175923850,4sleep20-21swapper/209:20:212
175923850,4sleep20-21swapper/209:20:202
139823700,1sleep1369-21kworker/u8:710:30:181
3130423650,1sleep227810-21kworker/u8:510:25:152
3129823490,1sleep130138-21kworker/u8:410:25:141
693923380,3sleep26850-21ssh11:50:402
1341123330,1sleep19840-21kworker/u8:1710:55:261
1341123330,1sleep19840-21kworker/u8:1710:55:261
527823280,4sleep119-21ksoftirqd/107:55:201
1591023230,1sleep27543-21kworker/u8:1111:00:382
334423220,2sleep20-21swapper/210:34:532
1795423200,1sleep19254-21kworker/u8:508:35:161
245423020,2sleep20-21swapper/207:46:032
1836022990,1sleep17543-21kworker/u8:1111:05:411
2069922970,1sleep17543-21kworker/u8:1111:10:351
1496822970,2sleep20-21swapper/212:10:152
1974922940,1sleep218928-21kworker/u8:210:00:022
1837522920,1sleep212117-21kworker/u8:211:05:422
2361922910,6sleep1121rcu_preempt11:16:261
2306222900,1sleep218397-21kworker/u8:807:10:332
114022880,4sleep226142-21kworker/u8:6111:40:002
2687022840,1sleep125368-21kworker/u8:312:35:271
1268622840,1sleep126142-21kworker/u8:6112:05:121
1342322830,2sleep10-21swapper/109:45:281
1186222830,9sleep225-21ksoftirqd/209:41:422
2970222810,2sleep229703-21swap10:20:402
2970222810,2sleep229703-21swap10:20:392
2143522810,11sleep119-21ksoftirqd/108:45:211
1817322810,3sleep20-21swapper/212:15:422
711222800,2sleep1121rcu_preempt11:51:131
2161022800,1sleep216771-21kworker/u8:207:05:382
2085622800,2sleep118445-21kworker/u8:1012:22:001
1232922800,1sleep27543-21kworker/u8:1110:53:342
1232922800,1sleep27543-21kworker/u8:1110:53:342
376422780,2sleep13754-21apt-get09:25:141
1269422780,2sleep20-21swapper/212:05:132
1696922770,2sleep10-21swapper/112:15:001
2215822760,1sleep121815-21kworker/u8:007:10:001
841122750,1sleep17546-21kworker/u8:1410:45:171
3001922750,1sleep228790-21kworker/u8:1709:10:352
2343622750,2sleep10-21swapper/108:50:321
544622730,1sleep14974-21kworker/u8:511:49:041
2830022730,1sleep127151-21kworker/u8:109:05:311
1791622730,2sleep225-21ksoftirqd/208:35:132
3079522720,2sleep20-21swapper/207:35:172
2940722720,4sleep129397-21ntpq10:20:271
2940722720,4sleep129397-21ntpq10:20:261
223522720,3sleep12233-21ntpq09:20:401
223522720,3sleep12233-21ntpq09:20:391
2640022710,1sleep225368-21kworker/u8:312:35:172
589322700,2sleep20-21swapper/209:30:012
430922700,1sleep127811-21kworker/u8:610:35:341
1545522700,1sleep15211-21kworker/u8:1009:50:221
386122690,2sleep20-21swapper/207:50:342
33322690,2sleep21823-21kworker/2:107:40:322
325722690,1sleep128448-21kworker/u8:1211:44:251
1031622690,10sleep119-21ksoftirqd/112:00:011
1956622680,5sleep116431-21kworker/u8:1310:00:011
1723822680,1sleep116386-21kworker/u8:812:15:171
3091922670,2sleep10-21swapper/109:13:111
1768522660,2sleep10-21swapper/108:35:001
1259922660,3sleep122202-21cyclictest10:54:541
1259922660,3sleep122202-21cyclictest10:54:531
31722640,1sleep131655-21kworker/u8:107:40:311
2668222640,1sleep119056-21kworker/u8:609:00:291
2668222640,1sleep119056-21kworker/u8:609:00:291
2527322640,3sleep125262-21ssh11:20:241
1424422640,1sleep27543-21kworker/u8:1110:56:562
1424422640,1sleep27543-21kworker/u8:1110:56:552
898122630,1sleep27537-21kworker/u8:010:45:292
2364722630,1sleep223489-21kworker/u8:1110:08:132
1981022630,1sleep119053-21kworker/u8:208:40:191
427622620,2sleep24269-21ssh11:45:312
1621722620,3sleep22924-21kworker/u8:009:51:042
1343522620,2sleep213434-21ssh09:45:282
3156322610,2sleep10-21swapper/107:35:441
2830422600,2sleep20-21swapper/209:05:322
2709322600,2sleep218927-21kworker/u8:110:15:242
2540522600,1sleep223538-21kworker/u8:011:20:342
2369822600,1sleep223538-21kworker/u8:011:16:482
2298222600,2sleep10-21swapper/107:10:281
2245422600,1sleep220628-21kworker/u8:1108:49:002
647922590,1sleep25009-21kworker/u8:810:40:362
624322590,2sleep20-21swapper/207:59:392
2503322590,2sleep20-21swapper/207:15:402
2473722590,1sleep123484-21kworker/u8:610:10:211
670522580,2sleep20-21swapper/209:30:332
2559722580,2sleep20-21swapper/212:33:032
1218422580,2sleep10-21swapper/112:03:591
881822570,2sleep20-21swapper/208:05:342
3231022570,2sleep132301-21ssh09:15:361
2930822570,3sleep229306-21/usr/sbin/munin11:30:112
2541822570,2sleep10-21swapper/108:55:421
2500122570,3sleep224997-21ssh10:10:312
2007522570,2sleep120074-21ssh10:00:201
1109022570,1sleep24978-21kworker/u8:912:00:302
2728722560,1sleep126143-21kworker/u8:6211:25:201
2467522560,1sleep220626-21kworker/u8:908:55:202
2059222560,7sleep218961-1kworker/u9:111:10:312
1584322560,2sleep10-21swapper/111:00:331
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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