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2026-05-13 - 17:02
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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 May 13, 2026 12:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2524923540,3sleep125250-21/usr/sbin/munin12:35:221
2266223250,1sleep220533-21kworker/u8:008:55:122
579323130,6sleep119-21ksoftirqd/109:32:021
925223110,2sleep15780-1kworker/u9:309:40:181
2103823100,1sleep210414-21kworker/u8:510:05:282
2772323090,1sleep226349-21kworker/u8:311:30:252
310823080,2sleep20-21swapper/211:46:482
1411223080,2sleep10-21swapper/108:27:571
510823020,1sleep21075-21kworker/u8:2109:30:342
2017123020,1sleep118299-21kworker/u8:1007:10:001
2017123020,1sleep118299-21kworker/u8:1007:10:001
1595323000,1sleep214780-21kworker/u8:211:05:242
1595323000,1sleep214780-21kworker/u8:211:05:232
1188123000,3sleep10-21swapper/112:05:331
2813822910,1sleep226352-21kworker/u8:810:20:362
1901622910,2sleep30-21swapper/307:05:203
1901622910,2sleep30-21swapper/307:05:193
1188522910,3sleep211884-21ssh12:05:362
2693422880,5sleep226935-21modprobe12:40:012
2296722850,10sleep225-21ksoftirqd/212:30:202
959822840,2sleep10-21swapper/112:00:321
3078122810,1sleep228649-21kworker/u8:1211:36:152
1416022800,2sleep214152-21ssh12:10:382
1157422800,2sleep10-21swapper/109:45:211
533422780,1sleep231229-21kworker/u8:1010:40:382
1575022780,2sleep1121rcu_preempt12:15:151
1406422780,1sleep15779-21kworker/u8:209:50:231
457222770,3sleep14571-21df_inode11:50:271
2537222770,2sleep10-21swapper/107:25:161
2537222770,2sleep10-21swapper/107:25:151
2153822750,1sleep210114-21kworker/u8:911:15:422
989522740,2sleep28894-21kworker/u8:208:15:282
717022740,1sleep13189-21kworker/u8:111:55:241
453322740,2sleep14042-21apt-get08:00:141
2733622740,1sleep124255-21kworker/u8:111:30:151
2646722740,1sleep126352-21kworker/u8:810:17:371
1802822740,3sleep118027-21ssh12:20:131
3061422730,1sleep229065-21kworker/u8:709:15:392
3020722710,1sleep126457-21kworker/u8:207:40:161
2976322710,1sleep128647-21kworker/u8:1011:35:171
454922700,2sleep24531-21apt-get08:00:232
2565122700,1sleep221756-21kworker/u8:2810:15:332
2106422700,9sleep220207-21cyclictest12:25:342
2106422700,9sleep220207-21cyclictest12:25:332
1414022700,2sleep112450-1kworker/u9:312:10:361
959422690,1sleep28694-21kworker/u8:309:40:272
2616122690,2sleep10-21swapper/109:05:161
944622680,2sleep20-21swapper/210:50:312
944622680,2sleep20-21swapper/210:50:312
718922680,3sleep27187-21ssh11:55:262
269122680,2sleep12686-21ssh09:25:271
269122680,2sleep12686-21ssh09:25:271
1954722680,1sleep219394-21kworker/u8:712:22:402
34622670,1sleep131355-21kworker/u8:1507:45:371
309222670,1sleep131355-21kworker/u8:1507:55:231
3047422670,1sleep228084-21kworker/u8:1307:40:202
2478022670,1sleep221756-21kworker/u8:2810:15:012
1642922670,2sleep20-21swapper/212:15:362
2339822660,1sleep121755-21kworker/u8:2710:10:331
1876622660,2sleep20-21swapper/207:05:152
1876622660,2sleep20-21swapper/207:05:142
1516122660,2sleep20-21swapper/209:53:062
986722650,1sleep17833-21kworker/u8:610:50:431
986722650,1sleep17833-21kworker/u8:610:50:421
42422650,1sleep231222-21kworker/u8:010:30:372
42422650,1sleep231222-21kworker/u8:010:30:372
3216822650,1sleep110112-21kworker/u8:711:40:201
3216822650,1sleep110112-21kworker/u8:711:40:201
2330422650,2sleep10-21swapper/108:55:311
1942522650,1sleep217249-21kworker/u8:2008:45:152
835022640,1sleep27274-21kworker/u8:1108:10:292
501822630,1sleep23191-21kworker/u8:411:50:432
3248222630,2sleep10-21swapper/110:30:241
3248222630,2sleep10-21swapper/110:30:241
294322630,3sleep22895-21ssh09:25:402
294322630,3sleep22895-21ssh09:25:392
2698422630,2sleep20-21swapper/211:29:482
48622620,2sleep20-21swapper/209:20:372
48622620,2sleep20-21swapper/209:20:372
2780522620,2sleep127738-21ssh10:20:281
2398822620,3sleep121701-21kworker/u8:411:21:181
1836222620,1sleep117250-21kworker/u8:2108:40:281
1491722620,18sleep20-21swapper/211:02:452
650322610,2sleep20-21swapper/208:05:222
650322610,2sleep20-21swapper/208:05:212
2981422600,7sleep225-21ksoftirqd/210:25:152
2096422600,1sleep218299-21kworker/u8:1007:10:292
1883522600,5sleep118834-21ssh11:10:341
1883522600,5sleep118834-21ssh11:10:331
1263222600,1sleep210113-21kworker/u8:810:57:562
1263222600,1sleep210113-21kworker/u8:810:57:552
2196222590,2sleep10-21swapper/111:17:401
166522590,2sleep10-21swapper/109:24:181
166522590,2sleep10-21swapper/109:24:181
3251422580,2sleep232506-21ssh11:40:302
3251422580,2sleep232506-21ssh11:40:292
3018022580,1sleep128907-21kworker/u8:410:25:211
294822580,4sleep22933-21timerandwakeup10:35:392
2393522580,1sleep221701-21kworker/u8:411:21:042
1933922580,1sleep210112-21kworker/u8:711:11:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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