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2026-04-17 - 09:34
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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 Fri Apr 17, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
740123520,1sleep16658-21kworker/u8:1420:30:111
1959423490,3sleep219560-21ssh23:30:182
2356723310,3sleep20-21swapper/221:15:412
2087123230,3sleep120870-21ssh23:33:081
1925723130,3sleep119256-21ssh22:19:471
668423100,2sleep20-21swapper/220:27:012
415623100,3sleep10-21swapper/100:07:121
1935723070,1sleep216481-21kworker/u8:122:20:012
1893923070,2sleep10-21swapper/119:28:291
1893923070,2sleep10-21swapper/119:28:281
3114823020,7sleep2121rcu_preempt21:33:382
1255123000,2sleep211788-21kworker/u8:120:45:172
546222940,2sleep20-21swapper/220:25:012
2251322940,3sleep222516-21cron19:40:012
1774722940,2sleep20-21swapper/223:25:412
502622920,2sleep20-21swapper/222:58:592
1605722910,2sleep10-21swapper/120:55:251
384722900,1sleep2683-21kworker/u8:021:45:122
384722900,1sleep2683-21kworker/u8:021:45:112
2144522890,7sleep219879-21kworker/u8:221:10:382
2361022880,1sleep222239-21kworker/u8:419:40:362
205722880,1sleep10-21swapper/120:15:221
1981722880,1sleep19669-21kworker/u8:1222:20:081
1938922850,1sleep218244-21kworker/u8:2021:05:312
717722810,1sleep230864-21kworker/u8:321:50:422
616522810,2sleep20-21swapper/200:11:002
2985722810,1sleep229789-21kworker/u8:123:52:502
2816022810,6sleep212585-21cyclictest22:37:552
2215522810,2sleep20-21swapper/223:35:302
1775222790,2sleep20-21swapper/221:00:252
1088822790,2sleep10-21swapper/122:00:181
2385422780,1sleep222939-21kworker/u8:423:40:162
1527222780,2sleep215270-21ssh23:20:322
955722770,3sleep18023-1kworker/u9:000:20:111
602122770,2sleep20-21swapper/223:00:222
2808222770,2sleep128039-21ssh23:49:591
2020022770,2sleep120182-21ssh21:10:011
158322770,1sleep11329-21kworker/u8:2720:15:011
2558822760,2sleep225586-21ssh21:20:312
1136122750,4sleep2457-21kcompactd022:00:362
2919222740,2sleep129191-21ssh22:40:191
1338222740,2sleep10-21swapper/119:10:271
1184022740,1sleep16373-21kworker/u8:900:25:141
1304822720,1sleep14658-21kworker/u8:623:15:381
2780722710,1sleep213423-21kworker/u8:721:25:252
1993522710,1sleep212248-21kworker/u8:519:30:312
1993522710,1sleep212248-21kworker/u8:519:30:302
2896422700,1sleep122941-21kworker/u8:723:50:331
1779822700,1sleep116672-21kworker/u8:221:00:281
1502722700,2sleep10-21swapper/119:15:291
74522690,2sleep232085-21kworker/u8:120:10:282
1577122690,3sleep215770-21diskstats20:55:182
1536822690,1sleep19669-21kworker/u8:1222:10:191
1430822690,1sleep213255-21kworker/u8:600:30:092
1165922690,2sleep111331-21kworker/u8:923:13:081
902222670,2sleep10-21swapper/120:35:151
802222670,2sleep18011-21ssh00:15:371
619722670,2sleep16181-21ssh23:00:311
446722670,1sleep24083-21kworker/u8:400:08:432
2587122670,3sleep125820-21latency_hist19:50:011
915222660,3sleep20-21swapper/223:06:592
3073222660,1sleep128799-21kworker/u8:1220:05:001
2786522660,2sleep127860-21ssh21:25:281
3180722650,7sleep212585-21cyclictest22:45:312
1339422650,2sleep211334-21kworker/u8:1323:15:422
3242122640,2sleep232415-21ssh21:35:342
3216222640,1sleep122941-21kworker/u8:723:58:081
2778922640,2sleep20-21swapper/223:48:492
2560222640,1sleep216481-21kworker/u8:122:31:322
2371722640,1sleep19670-21kworker/u8:1322:28:171
1080422640,1sleep26978-21kworker/u8:223:10:372
665122630,2sleep10-21swapper/100:13:161
2890922630,1sleep227919-21kworker/u8:422:40:132
1412522630,2sleep10-21swapper/122:06:371
1137022630,1sleep210594-21kworker/u8:919:05:182
3131622620,2sleep231309-21ssh23:55:352
2154422620,1sleep120638-21kworker/u8:523:35:131
1391122620,3sleep213903-21apt-get20:50:162
1390922620,1sleep113419-21kworker/u8:420:50:151
840822610,1sleep26382-21kworker/u8:1800:15:542
312122610,1sleep2683-21kworker/u8:021:42:462
1705322610,2sleep117051-21ssh23:25:201
39222600,2sleep112585-21cyclictest00:00:091
203222600,1sleep232088-21kworker/u8:420:15:112
1546522600,3sleep12376-1kworker/u9:023:20:411
117822600,3sleep20-21swapper/200:00:352
2520122590,1sleep122939-21kworker/u8:423:42:081
1639622590,1sleep29669-21kworker/u8:1222:11:452
1167722590,2sleep30-21swapper/319:05:263
933622580,1sleep230864-21kworker/u8:321:55:412
532122580,1sleep128799-21kworker/u8:1220:25:001
2172122580,1sleep115547-21kworker/u8:919:35:341
1396822580,2sleep20-21swapper/200:30:012
639622570,1sleep15332-21kworker/u8:921:50:211
2614422570,2sleep10-21swapper/121:21:181
1829322570,1sleep215547-21kworker/u8:919:25:282
1829322570,1sleep215547-21kworker/u8:919:25:272
169522570,1sleep132488-21kworker/u8:122:50:331
1677122570,1sleep112246-21kworker/u8:319:20:371
1483122570,1sleep212248-21kworker/u8:519:15:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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