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2026-04-08 - 10:05
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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 08, 2026 00:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
308323590,1sleep232114-21kworker/u8:023:30:122
2531923280,3sleep125318-21ssh21:56:571
3149823250,7sleep231499-21/usr/sbin/munin22:10:372
600923220,2sleep16010-21/usr/sbin/munin21:15:151
127723210,2sleep11262-21ssh22:15:301
1384823140,2sleep10-21swapper/122:43:211
1384823140,2sleep10-21swapper/122:43:201
1132923100,2sleep10-21swapper/119:55:181
534423090,3sleep122752-21kworker/u8:1423:35:151
534723080,2sleep232115-1kworker/u9:223:35:162
2218223070,1sleep220313-21kworker/u8:100:10:412
2964623050,2sleep10-21swapper/100:28:301
1948823050,3sleep119473-21apt-get21:45:141
1948823050,3sleep119473-21apt-get21:45:141
1653823040,2sleep20-21swapper/220:10:272
2791023020,2sleep10-21swapper/122:03:271
1949222960,1sleep218533-21kworker/u8:2221:45:152
1949222960,1sleep218533-21kworker/u8:2221:45:152
307822940,2sleep12007-1kworker/u9:123:30:121
1545822940,3sleep115457-21ssh22:45:481
1545822940,3sleep115457-21ssh22:45:471
2174922920,3sleep215507-1kworker/u9:320:25:362
2011622900,1sleep212140-21kworker/u8:020:20:422
606322880,2sleep2241rcuc/222:25:362
3162022880,2sleep10-21swapper/119:19:591
2175922880,1sleep120655-21kworker/u8:1323:00:191
1952322880,1sleep2121rcu_preempt00:05:272
1952322880,1sleep2121rcu_preempt00:05:272
2198522870,2sleep121981-21ssh21:50:171
594022860,1sleep25684-21kworker/u8:2119:40:002
604622850,2sleep16042-21ssh22:25:361
672322840,1sleep22864-21kworker/u8:1421:15:362
3125022820,1sleep225016-21kworker/u8:223:20:272
3125022820,1sleep225016-21kworker/u8:223:20:272
216422810,5sleep22095-21ssh00:40:002
2917522800,2sleep20-21swapper/219:10:372
2917522800,2sleep20-21swapper/219:10:362
2270822800,1sleep222199-21kworker/u8:120:30:142
2270822800,1sleep222199-21kworker/u8:120:30:142
787322780,3sleep27870-21df23:40:192
1957122780,2sleep119563-21ssh00:05:301
1957122780,2sleep119563-21ssh00:05:291
971722770,2sleep20-21swapper/219:50:172
3096222770,5sleep1121rcu_preempt00:30:351
1003022770,1sleep26779-21kworker/u8:1323:45:172
2876822760,1sleep225018-21kworker/u8:523:15:332
1434322760,1sleep112142-21kworker/u8:320:05:151
873922750,1sleep123059-21kworker/u8:322:30:371
2897222750,1sleep127655-21kworker/u8:522:05:251
2897222750,1sleep127655-21kworker/u8:522:05:241
116122750,1sleep223058-21kworker/u8:222:15:222
2174522720,1sleep120578-21kworker/u8:1320:25:351
2851522700,2sleep128468-21apt-get23:15:281
129322700,3sleep11275-21ssh23:25:321
847422680,3sleep10-21swapper/121:20:231
2707522680,2sleep30-21swapper/319:05:213
2603922680,2sleep20-21swapper/200:20:182
2496722680,2sleep10-21swapper/120:35:321
2452522680,1sleep223835-21kworker/u8:1020:35:172
2422522680,1sleep116101-21kworker/u8:323:05:251
1695622680,1sleep213409-21kworker/u8:500:00:202
1657422670,1sleep116423-21kworker/u8:021:38:191
836722660,4sleep216655-21kworker/2:222:30:312
3147622660,3sleep10-21swapper/122:10:351
1858422660,2sleep10-21swapper/100:04:421
2187822650,2sleep10-21swapper/100:10:331
1105822650,2sleep211050-21ssh21:25:292
1105822650,2sleep211050-21ssh21:25:292
359622640,6sleep119-21ksoftirqd/119:30:341
359622640,6sleep119-21ksoftirqd/119:30:341
3052122640,3sleep230520-21ssh00:30:192
1144822640,2sleep10-21swapper/121:25:401
1144822640,2sleep10-21swapper/121:25:401
3236922630,1sleep229734-21kworker/u8:1019:20:262
3155122630,1sleep125520-21kworker/u8:6720:55:341
31722620,1sleep228714-21kworker/u8:221:00:212
31722620,1sleep228714-21kworker/u8:221:00:212
2573222620,6sleep128163-21cyclictest00:20:051
1873122620,1sleep216101-21kworker/u8:322:54:052
831422610,1sleep16778-21kworker/u8:1223:40:331
452722610,2sleep20-21swapper/222:23:072
2682922610,1sleep223058-21kworker/u8:222:00:242
1134222610,1sleep28983-21kworker/u8:819:55:192
2906322600,2sleep229014-21ssh22:05:252
2906322600,2sleep229014-21ssh22:05:252
2363522600,1sleep223061-21kworker/u8:521:54:412
1985322600,2sleep20-21swapper/222:55:292
1837322600,1sleep19581-21kworker/u8:521:41:051
2986322590,2sleep10-21swapper/120:50:311
2927722590,1sleep10-21swapper/119:10:441
2927722590,1sleep10-21swapper/119:10:441
2858222590,3sleep228576-21ssh00:25:282
2463722590,1sleep223058-21kworker/u8:221:55:282
810922580,3sleep228163-21cyclictest19:45:192
810922580,3sleep228163-21cyclictest19:45:192
30022580,2sleep10-21swapper/119:20:411
2464922580,2sleep20-21swapper/200:16:122
1598822580,2sleep20-21swapper/222:46:462
1598822580,2sleep20-21swapper/222:46:452
1594922580,1sleep112141-21kworker/u8:220:10:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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