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2026-04-25 - 23:52
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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 Sat Apr 25, 2026 12:45:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1123125000,1sleep110737-21kworker/u8:007:30:161
1123125000,1sleep110737-21kworker/u8:007:30:161
609124020,1sleep225-21ksoftirqd/207:15:162
2848023240,1sleep227240-21kworker/u8:1008:20:352
2052723240,2sleep20-21swapper/207:56:422
2052723240,2sleep20-21swapper/207:56:422
751223120,1sleep27511-21kworker/u8:011:21:412
938123110,1sleep17812-21kworker/u8:1310:15:371
2610823110,2sleep20-21swapper/212:03:502
681923100,1sleep15512-21kworker/u8:010:10:211
1601323070,1sleep2778-21kworker/u8:611:40:312
259523060,8sleep1121rcu_preempt08:40:321
3063023040,2sleep230601-21ssh09:50:402
2570423040,4sleep119-21ksoftirqd/108:12:181
2732923010,2sleep20-21swapper/212:05:322
1103823000,5sleep2121rcu_preempt11:30:172
459622970,8sleep1121rcu_preempt08:45:431
2330422960,2sleep10-21swapper/108:05:291
1330922960,2sleep113308-21diskstats11:35:191
1642022950,1sleep114035-21kworker/u8:3807:45:191
164022910,9sleep10-21swapper/112:20:301
913422900,2sleep20-21swapper/209:00:352
453722900,2sleep14529-21ssh11:15:291
2163122900,1sleep120546-21kworker/u8:408:00:271
1247222900,1sleep29610-21kworker/u8:009:10:362
422622870,3sleep14212-21munin-run07:10:011
422622870,3sleep14212-21munin-run07:10:001
255722870,2sleep20-21swapper/208:40:292
1788822850,2sleep214401-1kworker/u9:111:45:212
985922840,1sleep10-21swapper/109:05:001
3010422840,2sleep1121rcu_preempt09:50:241
2794022840,3sleep227936-21ssh10:55:452
225122830,2sleep20-21swapper/211:10:282
284022820,1sleep22055-21kworker/u8:1407:05:242
284022820,1sleep22055-21kworker/u8:1407:05:232
2315122820,6sleep123149-21ntpq10:45:291
1800922810,3sleep116725-21kworker/u8:011:45:251
1452422810,1sleep210332-21kworker/u8:310:25:392
585822800,2sleep20-21swapper/207:15:002
487522790,1sleep117588-21kworker/u8:1810:05:311
252822790,2sleep128985-21kworker/u8:1110:00:281
252822790,2sleep128985-21kworker/u8:1110:00:281
1406522780,3sleep113467-21/usr/sbin/munin10:25:271
1344122780,1sleep19610-21kworker/u8:009:13:411
994722770,1sleep17465-21kworker/u8:107:25:281
3181822760,2sleep131817-21ssh11:05:171
3181822760,2sleep131817-21ssh11:05:161
2317222750,1sleep221554-21kworker/u8:1410:45:292
165222750,3sleep21648-21ssh12:20:312
1847022740,1sleep117369-21kworker/u8:1107:50:341
1564922740,3sleep210335-21kworker/u8:510:30:012
2692422730,1sleep225700-21kworker/u8:708:15:372
2690122730,2sleep126900-21diskstats12:05:191
1987022730,2sleep20-21swapper/210:39:462
1195822730,2sleep2121rcu_preempt07:30:452
1195822730,2sleep2121rcu_preempt07:30:442
3269222720,2sleep132682-21ssh09:55:301
2787822720,3sleep127881-21if_eth009:45:211
2146822720,1sleep117589-21kworker/u8:1909:30:331
2146822720,1sleep117589-21kworker/u8:1909:30:331
2809722710,2sleep10-21swapper/108:20:221
174922710,1sleep232193-21kworker/u8:1608:40:012
644922700,1sleep15563-21kworker/u8:307:15:241
710822690,1sleep25512-21kworker/u8:010:10:302
2530622690,1sleep224409-21kworker/u8:709:40:152
2339522690,1sleep117588-21kworker/u8:1809:35:251
2339522690,1sleep117588-21kworker/u8:1809:35:241
1585022690,6sleep1191ksoftirqd/109:19:321
1034222690,1sleep210340-21kworker/u8:1110:17:112
651522680,1sleep24676-21kworker/u8:112:30:462
3219422680,1sleep123584-21kworker/u8:612:15:391
3189922680,2sleep20-21swapper/212:15:372
2961622670,4sleep127941-1kworker/u9:212:10:371
2961622670,4sleep127941-1kworker/u9:212:10:371
1851122670,2sleep217580-1kworker/u9:209:25:082
1250522670,2sleep110335-21kworker/u8:510:21:401
379322650,1sleep217588-21kworker/u8:1810:04:282
379322650,1sleep217588-21kworker/u8:1810:04:272
3169222650,2sleep10-21swapper/108:30:311
2537522650,2sleep225362-21ssh10:50:282
482322640,2sleep228978-1kworker/u9:010:05:292
2326222640,1sleep216725-21kworker/u8:011:56:032
2754322630,1sleep226718-21kworker/u8:409:45:142
2407022630,1sleep223841-21kworker/u8:008:10:012
1699022630,1sleep29616-21kworker/u8:609:20:372
1675622630,2sleep10-21swapper/110:30:421
975422620,1sleep17165-21kworker/u8:612:39:001
436722620,2sleep10-21swapper/112:25:411
436722620,2sleep10-21swapper/112:25:401
1806222620,1sleep217276-21kworker/u8:007:50:182
2653622610,1sleep124404-21kworker/u8:209:41:281
2186222610,2sleep20-21swapper/209:30:462
2186222610,2sleep20-21swapper/209:30:462
1472022610,1sleep114027-21kworker/u8:3007:40:171
914822600,1sleep27733-21kworker/u8:711:25:322
914822600,1sleep27733-21kworker/u8:711:25:312
424722600,3sleep20-21swapper/208:45:362
2300622600,1sleep217588-21kworker/u8:1809:35:132
2300622600,1sleep217588-21kworker/u8:1809:35:132
2100822600,5sleep119-21ksoftirqd/111:51:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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