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2026-04-22 - 07:18
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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 Wed Apr 22, 2026 00:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
854925820,1sleep15418-21kworker/u8:800:05:201
172123760,1sleep1561-21kworker/u8:023:50:131
2679323410,6sleep119-21ksoftirqd/121:10:461
1601423370,1sleep215286-21kworker/u8:322:00:002
2838123360,6sleep123466-21kworker/u8:021:15:201
3037923330,2sleep20-21swapper/219:45:352
2824723330,3sleep21925-21kworker/2:023:36:062
2335323260,4sleep1191ksoftirqd/121:00:581
2335323260,4sleep1191ksoftirqd/121:00:571
2576523220,1sleep122149-21kworker/u8:122:20:251
2418423210,1sleep123471-21kworker/u8:721:05:211
1793423090,2sleep30-21swapper/319:10:013
2358123080,2sleep20-21swapper/221:03:442
2358123080,2sleep20-21swapper/221:03:432
950423060,2sleep20-21swapper/222:55:402
950423060,2sleep20-21swapper/222:55:402
1097423040,1sleep15422-21kworker/u8:1300:10:101
2762323030,2sleep10-21swapper/119:39:331
2480323030,2sleep20-21swapper/221:05:392
1504023010,2sleep20-21swapper/220:39:302
1841622980,2sleep10-21swapper/100:25:321
2901322930,7sleep2121rcu_preempt22:27:182
2303122920,2sleep123025-21ssh00:35:371
1633422920,1sleep115500-21kworker/u8:722:00:151
1951822900,2sleep10-21swapper/119:14:491
622722870,2sleep20-21swapper/220:10:342
1758622860,1sleep114816-21kworker/u8:520:45:331
715322830,2sleep20-21swapper/222:50:302
2604122830,2sleep20-21swapper/222:20:342
2851522820,2sleep20-21swapper/219:40:262
2074022820,2sleep10-21swapper/100:30:331
1753422820,6sleep119-21ksoftirqd/119:05:411
1238422820,1sleep211567-21kworker/u8:3620:30:202
1268322810,1sleep111567-21kworker/u8:3620:30:281
2454622800,18sleep124414-21kworker/u8:222:17:401
861922790,6sleep217971-21cyclictest00:05:222
1390722780,2sleep113901-21ssh23:05:321
720222770,1sleep15540-21kworker/u8:822:50:321
983122750,1sleep18698-21kworker/u8:021:45:201
2313422750,1sleep121783-21kworker/u8:523:25:261
2093222750,2sleep119949-21kworker/u8:320:55:261
368622740,2sleep10-21swapper/122:43:371
1072622740,2sleep15057-1kworker/u9:020:25:221
3119022730,2sleep1191ksoftirqd/122:32:041
1578822730,5sleep117971-21cyclictest00:20:211
1578822730,5sleep117971-21cyclictest00:20:201
1429922730,2sleep10-21swapper/121:55:211
902422720,2sleep20-21swapper/221:43:522
902422720,2sleep20-21swapper/221:43:522
629322710,1sleep25424-21kworker/u8:1500:00:142
496522710,2sleep20-21swapper/222:45:362
1101422710,3sleep23145-21kworker/u8:300:10:202
908422700,2sleep10-21swapper/120:20:191
2682622700,1sleep219476-21kworker/u8:023:35:002
1514822700,1sleep113192-21kworker/u8:020:40:001
1352722700,2sleep212385-21kworker/u8:023:05:202
777022690,1sleep16682-21kworker/u8:820:15:291
740322690,2sleep10-21swapper/100:00:541
523522690,1sleep128424-21kworker/u8:623:56:311
402422690,2sleep20-21swapper/221:31:342
2202122690,1sleep119271-21kworker/u8:1419:20:281
398822680,1sleep228424-21kworker/u8:623:55:132
3238622680,3sleep232384-21ssh22:35:222
3097822680,2sleep20-21swapper/223:43:122
2547322680,2sleep123845-21kworker/u8:723:30:301
568322670,2sleep15676-21ssh21:35:351
419022670,2sleep20-21swapper/220:05:202
783822660,1sleep26699-21kworker/u8:2620:15:332
252822660,2sleep131935-21kworker/u8:821:30:001
1946222660,2sleep217200-1kworker/u9:220:50:322
610122650,1sleep15053-21kworker/u8:220:10:261
2262522650,1sleep215498-21kworker/u8:522:14:192
2071522650,1sleep214632-21kworker/u8:1023:20:252
1949122650,2sleep10-21swapper/123:17:301
1915722650,2sleep20-21swapper/219:10:402
2765822640,2sleep10-21swapper/123:35:271
1808322640,2sleep20-21swapper/222:03:582
1779922640,1sleep214817-21kworker/u8:620:45:382
1683422640,2sleep27740-21kworker/u8:2200:21:592
1683422640,2sleep27740-21kworker/u8:2200:21:582
950422630,1sleep26694-21kworker/u8:2120:20:362
3180722630,1sleep130885-21kworker/u8:1319:50:241
2306722620,1sleep119273-21kworker/u8:1619:25:151
1499922620,2sleep10-21swapper/100:19:031
1037122620,2sleep10-21swapper/122:58:241
1037122620,2sleep10-21swapper/122:58:241
3222322610,3sleep132215-21ssh23:45:241
303422610,1sleep228424-21kworker/u8:623:51:472
2912322610,2sleep10-21swapper/122:27:531
2047722610,1sleep18698-21kworker/u8:022:09:401
1490422610,2sleep20-21swapper/200:18:372
98122600,1sleep228425-21kworker/u8:923:49:042
2725622590,1sleep225319-21kworker/u8:221:11:202
2259022590,3sleep222587-21ssh00:35:222
1353522590,1sleep28698-21kworker/u8:021:53:572
418022580,1sleep13424-21kworker/u8:320:05:201
3272622580,1sleep225816-21kworker/u8:119:54:142
3215122580,1sleep127517-21kworker/u8:121:22:441
1616822580,2sleep216164-21ssh23:10:312
1537022580,2sleep215369-21sshd20:40:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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