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2026-04-11 - 22:49
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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 11, 2026 12:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3025923860,1sleep119941-21kworker/u8:307:20:131
1771123790,1sleep216763-21kworker/u8:409:45:142
1771123790,1sleep216763-21kworker/u8:409:45:132
374123420,1sleep11935-21kworker/u8:111:35:451
1867923360,2sleep20-21swapper/210:58:432
2752523250,1sleep226464-21kworker/u8:107:10:252
1812323230,3sleep1121rcu_preempt10:55:591
2208223200,2sleep20-21swapper/211:05:262
2208223200,2sleep20-21swapper/211:05:252
1505423200,3sleep215055-21/usr/sbin/munin10:50:232
2866023120,5sleep2251ksoftirqd/210:09:412
2588023050,1sleep119941-21kworker/u8:307:05:261
1363323010,3sleep10-21swapper/108:06:211
2916123000,1sleep226468-21kworker/u8:607:15:282
2916123000,1sleep226468-21kworker/u8:607:15:282
1423323000,1sleep27646-21kworker/u8:1409:35:402
2515822980,9sleep2121rcu_preempt12:22:472
2965622960,1sleep125280-21kworker/u8:1508:55:261
2965622960,1sleep125280-21kworker/u8:1508:55:261
2979922950,2sleep129798-21ssh11:22:331
1235122950,2sleep10-21swapper/108:05:001
2479722930,1sleep119047-21kworker/u8:010:00:201
1166722920,2sleep10-21swapper/111:53:271
2340222910,4sleep119-21ksoftirqd/111:09:351
2340222910,4sleep119-21ksoftirqd/111:09:351
1985922880,2sleep119853-21ssh11:00:301
1393522880,2sleep20-21swapper/208:10:002
3224622870,1sleep231766-21kworker/u8:2212:39:162
3224622870,1sleep231766-21kworker/u8:2212:39:152
2255022840,2sleep10-21swapper/108:35:161
1604022840,3sleep126775-21cyclictest08:15:141
914722820,1sleep27645-21kworker/u8:1309:25:342
2609222820,2sleep10-21swapper/108:45:211
1239122820,2sleep212376-21ssh11:55:172
81122790,1sleep232023-21kworker/u8:1011:30:272
2662922790,1sleep225111-21kworker/u8:711:15:262
2242722790,1sleep120544-21kworker/u8:1312:15:381
1796822790,1sleep215939-21kworker/u8:612:06:022
1589922790,1sleep213629-21kworker/u8:712:01:562
819722780,2sleep18189-21ssh11:45:341
2048022770,2sleep10-21swapper/112:12:041
3173022760,2sleep20-21swapper/210:15:252
2710322760,2sleep10-21swapper/111:15:421
1157622760,2sleep20-21swapper/209:30:392
2559022750,1sleep219941-21kworker/u8:307:05:192
735222740,2sleep10-21swapper/107:49:521
1997722740,1sleep119048-21kworker/u8:109:50:151
463522730,1sleep11078-21kworker/u8:1109:15:371
2481422730,1sleep122828-21kworker/u8:811:10:351
2426322730,5sleep127015-1kworker/u9:010:00:001
1888522730,2sleep20-21swapper/208:22:392
1888522730,2sleep20-21swapper/208:22:392
1129922730,15sleep19310-21kworker/u8:110:40:491
1087322730,2sleep26534-21kworker/u8:311:50:512
1167022720,2sleep111669-21ssh09:30:451
3126922700,1sleep229721-21kworker/u8:311:25:322
2783422700,3sleep127833-21irqstats08:50:241
2650122700,1sleep120541-21kworker/u8:1012:25:271
1746422700,2sleep10-21swapper/109:45:001
1281922700,2sleep112754-21ssh11:55:241
727922690,1sleep15333-21kworker/u8:509:20:391
861722680,1sleep17646-21kworker/u8:1409:25:171
623422680,2sleep26233-21ssh09:20:172
203222680,1sleep11073-21kworker/u8:609:10:221
490122670,2sleep20-21swapper/210:27:352
286422670,1sleep21078-21kworker/u8:1109:11:202
2444222670,2sleep124441-21df_inode08:40:181
210022670,2sleep22082-21timerwakeupswit07:30:392
3054422660,1sleep230451-21kworker/u8:110:12:592
1363722660,1sleep111615-21kworker/u8:1210:46:071
72422650,2sleep2518-21kworker/u8:707:29:072
597822640,1sleep11934-21kworker/u8:011:40:361
3201022640,2sleep10-21swapper/112:38:061
3201022640,2sleep10-21swapper/112:38:061
466822630,1sleep128187-21kworker/u8:810:26:301
2497122630,1sleep222828-21kworker/u8:811:11:172
2419022630,2sleep28842-1kworker/u9:308:40:112
1989122630,2sleep10-21swapper/108:25:271
235122620,1sleep132026-21kworker/u8:1311:34:241
1910822620,2sleep10-21swapper/109:47:141
1910822620,2sleep10-21swapper/109:47:141
1513722620,1sleep213736-21kworker/u8:108:10:452
364722600,2sleep23639-21ssh11:35:382
2365522600,1sleep120544-21kworker/u8:1312:20:171
2340122600,2sleep20-21swapper/209:56:062
2312622600,2sleep20-21swapper/208:35:302
1760322600,1sleep217151-21kworker/u8:2108:20:022
652522590,2sleep20-21swapper/211:41:372
2161822590,2sleep20-21swapper/208:30:392
865922580,1sleep228186-21kworker/u8:710:35:392
2542722580,2sleep219047-21kworker/u8:010:00:422
753222570,1sleep24441-21kworker/u8:211:45:152
52822570,1sleep131861-21kworker/u8:409:05:311
2254322570,1sleep220538-21kworker/u8:812:16:162
956122560,1sleep18840-21kworker/u8:8207:55:191
517822560,2sleep25181-21awk07:40:412
3135422560,2sleep20-21swapper/209:00:302
3131222560,2sleep131305-21ssh11:25:351
3089622560,2sleep230895-21ntp_states07:20:292
2729322560,3sleep220536-1kworker/u9:112:27:092
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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