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2025-12-26 - 01:16
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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 Thu Dec 25, 2025 12:45:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
379724320,3sleep10-21swapper/112:25:211
1966223490,6sleep1621-21kswapd009:45:171
1764523460,2sleep10-21swapper/110:44:571
1764523460,2sleep10-21swapper/110:44:571
2425423420,2sleep20-21swapper/212:00:372
3081923300,2sleep10-21swapper/110:05:371
92723290,2sleep2926-21ssh10:10:402
193723210,3sleep11936-21ssh11:15:451
805823190,1sleep25712-21kworker/u8:308:00:152
2026123160,1sleep217050-21kworker/u8:410:50:002
2941023060,1sleep228085-21kworker/u8:1208:55:282
2424122970,2sleep124233-21ssh12:00:361
1078422940,2sleep20-21swapper/208:05:332
938522900,2sleep20-21swapper/209:25:152
2887022900,1sleep124638-21kworker/u8:911:05:321
2887022900,1sleep124638-21kworker/u8:911:05:311
261422870,1sleep21240-21kworker/u8:809:10:272
903322860,2sleep14774-21kworker/u8:011:30:281
580822850,2sleep10-21swapper/110:20:271
380622850,2sleep20-21swapper/212:25:282
2227422850,1sleep219819-21kworker/u8:1211:56:352
701522840,2sleep10-21swapper/107:55:271
2827422840,1sleep127077-21kworker/u8:310:00:331
3159822830,1sleep128085-21kworker/u8:1209:00:381
3159822830,1sleep128085-21kworker/u8:1209:00:381
1483122830,7sleep111206-1kworker/u9:008:15:391
1377322830,1sleep111907-21kworker/u8:1410:35:321
323722820,1sleep22223-21kworker/u8:611:20:172
2234622820,7sleep1121rcu_preempt10:53:331
1467222820,2sleep10-21swapper/109:35:201
382722810,2sleep20-21swapper/207:46:322
382722810,2sleep20-21swapper/207:46:322
1658822800,2sleep29881-21kworker/u8:211:45:302
1658822800,2sleep29881-21kworker/u8:211:45:292
2925522790,2sleep129233-21ssh12:10:331
259422780,1sleep11239-21kworker/u8:609:10:261
1887322780,1sleep19349-21kworker/u8:510:45:341
3016222770,1sleep223941-21kworker/u8:110:05:212
3180422760,2sleep20-21swapper/207:35:222
2151922760,2sleep20-21swapper/209:48:282
1280322760,2sleep20-21swapper/208:10:372
1099422760,2sleep110992-21ssh11:35:181
512222750,6sleep2783-1kworker/u9:007:50:262
1453222750,2sleep10-21swapper/111:40:381
335822720,1sleep130705-21kworker/u8:5207:45:301
335822720,1sleep130705-21kworker/u8:5207:45:301
3233522720,2sleep228889-1kworker/u9:011:13:132
2244522720,2sleep10-21swapper/108:35:371
2466522710,2sleep20-21swapper/207:15:322
156122710,1sleep130701-21kworker/u8:4807:40:321
1188722710,3sleep119-21ksoftirqd/109:30:161
1188722710,3sleep119-21ksoftirqd/109:30:161
877322700,1sleep24271-21kworker/u8:1710:25:482
2936022700,2sleep20-21swapper/207:30:162
2137722700,1sleep119817-21kworker/u8:1011:55:251
2017722700,2sleep20-21swapper/208:30:272
869722690,2sleep18686-21ssh10:25:441
818322690,2sleep10-21swapper/109:20:441
2486522690,10sleep20-21swapper/210:58:372
2329022690,2sleep20-21swapper/207:11:512
330622680,1sleep231566-21kworker/u8:410:15:262
1853822680,1sleep214950-21kworker/u8:111:50:202
2579622670,1sleep123940-21kworker/u8:009:55:351
2904322660,2sleep10-21swapper/107:29:221
2904322660,2sleep10-21swapper/107:29:221
2699622660,2sleep20-21swapper/211:01:462
2586822660,3sleep125869-21/usr/sbin/munin08:45:381
1620722660,1sleep29347-21kworker/u8:210:40:282
1620722660,1sleep29347-21kworker/u8:210:40:282
1601622660,2sleep116009-21ssh11:45:201
1601622660,2sleep116009-21ssh11:45:201
2950522650,2sleep223940-21kworker/u8:010:04:322
2882622650,3sleep228825-21ssh11:05:292
2882622650,3sleep228825-21ssh11:05:282
2011422650,1sleep219618-21kworker/u8:507:05:152
2011422650,1sleep219618-21kworker/u8:507:05:152
1459322650,3sleep214595-21awk08:15:272
1162722650,1sleep29882-21kworker/u8:411:35:312
2669922640,2sleep20-21swapper/212:05:322
2669922640,2sleep20-21swapper/212:05:322
257322640,1sleep127457-21kworker/u8:512:21:471
257322640,1sleep127457-21kworker/u8:512:21:471
209722640,1sleep232053-21kworker/u8:511:16:312
96422630,2sleep20-21swapper/207:40:212
892722630,2sleep10-21swapper/108:00:341
854022630,2sleep20-21swapper/211:30:222
1198622630,9sleep121767-21cyclictest08:10:241
2513222620,1sleep221201-21kworker/u8:409:55:212
1868522620,1sleep218471-21kworker/u8:109:42:492
1408122620,2sleep20-21swapper/209:34:532
1408122620,2sleep20-21swapper/209:34:522
877122610,2sleep20-21swapper/212:35:152
877122610,2sleep20-21swapper/212:35:152
59122610,2sleep20-21swapper/212:19:472
2283922610,1sleep121457-21kworker/u8:007:10:321
1880522610,6sleep116494-1kworker/u9:109:43:231
1032022610,2sleep10-21swapper/109:25:391
703222600,1sleep23872-21kworker/u8:107:55:282
458222600,1sleep12222-21kworker/u8:411:21:161
3241622600,1sleep129995-21kworker/u8:012:16:521
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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