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2026-05-24 - 22:38
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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 Sun May 24, 2026 12:45:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1747724070,1sleep216414-21kworker/u8:212:30:172
2118023740,2sleep1181rcuc/110:15:371
1799523590,10sleep119-21ksoftirqd/111:20:351
1799523590,10sleep119-21ksoftirqd/111:20:351
2901423380,2sleep20-21swapper/209:23:372
2981523370,2sleep10-21swapper/109:25:151
1996123370,3sleep119449-21apt-get12:35:191
3078623330,2sleep20-21swapper/211:49:552
2502223290,1sleep221943-21kworker/u8:1609:15:202
2980223270,1sleep223821-21kworker/u8:109:25:102
1529223200,2sleep20-21swapper/207:10:052
1413523180,3sleep114134-21ssh12:22:231
739723150,1sleep12256-21kworker/u8:1408:25:001
2273823150,1sleep120909-21kworker/u8:011:30:411
1871823120,2sleep20-21swapper/208:57:092
2077123110,1sleep119723-21kworker/u8:907:25:281
2377523050,17sleep10-21swapper/110:21:491
1424023040,2sleep30-21swapper/307:05:283
2251523000,1sleep221346-21kworker/u8:207:30:322
1825923000,1sleep115443-21kworker/u8:3208:55:351
2030722990,2sleep220299-21ssh11:25:382
1994722990,2sleep119911-21ssh10:15:011
1393022950,1sleep211506-21kworker/u8:307:05:192
1423722930,2sleep114233-21ssh10:00:381
1457522910,3sleep1121rcu_preempt11:14:271
1457522910,3sleep1121rcu_preempt11:14:261
1566322880,5sleep115086-21cyclictest11:15:321
1566322880,5sleep115086-21cyclictest11:15:311
366422870,2sleep10-21swapper/109:38:341
2493122870,1sleep224673-21kworker/u8:207:40:002
2493122870,1sleep224673-21kworker/u8:207:40:002
856122850,1sleep2241rcuc/212:10:312
2722622850,2sleep227222-21ssh11:40:312
2008422850,2sleep220014-21ssh10:15:022
394222830,1sleep1357-21kworker/u8:810:50:181
1333422830,1sleep213278-1kworker/u9:011:10:302
1333422830,1sleep213278-1kworker/u9:011:10:302
2084722810,1sleep219720-21kworker/u8:507:25:332
821622800,1sleep12447-21kworker/u8:912:10:221
350522800,1sleep12450-21kworker/u8:1212:00:241
3149522800,1sleep228454-21kworker/u8:210:40:152
1996722800,5sleep218911-21kworker/u8:312:35:202
2938622790,1sleep126241-21kworker/u8:507:50:411
2314522780,2sleep20-21swapper/210:20:332
1749622780,1sleep216439-21kworker/u8:1007:15:242
1749622780,1sleep216439-21kworker/u8:1007:15:242
1695622780,1sleep15738-21kworker/u8:010:06:401
162522780,2sleep11624-21sshd11:55:331
329822770,2sleep20-21swapper/208:10:262
2529922760,1sleep123821-21kworker/u8:109:15:321
2814522750,2sleep10-21swapper/111:43:031
1594722740,2sleep10-21swapper/108:50:131
1083322740,2sleep20-21swapper/211:05:232
573522730,1sleep12447-21kworker/u8:912:05:231
2318422730,1sleep220398-21kworker/u8:809:10:322
1649322730,2sleep20-21swapper/208:50:272
1391722730,1sleep113156-21kworker/u8:907:05:181
322322720,2sleep10-21swapper/110:49:191
322322720,2sleep10-21swapper/110:49:191
2586322720,2sleep10-21swapper/107:40:361
1116722720,1sleep17033-21kworker/u8:012:15:511
1072922720,2sleep20-21swapper/209:54:442
2793522710,3sleep127920-21ssh09:20:311
2486022710,2sleep123401-21kworker/u8:311:35:271
495722700,1sleep23414-21kworker/u8:509:40:322
2733722700,1sleep226248-21kworker/u8:1207:45:272
948822690,1sleep15738-21kworker/u8:009:50:321
784722690,2sleep10-21swapper/109:46:461
108322690,1sleep229501-21kworker/u8:1108:05:232
986422680,2sleep20-21swapper/208:30:242
2610722680,1sleep217040-21kworker/u8:1410:27:162
2138822680,2sleep10-21swapper/109:05:241
1795922680,2sleep225-21ksoftirqd/211:20:322
1795922680,2sleep225-21ksoftirqd/211:20:312
778022670,5sleep2251ksoftirqd/210:59:282
329922670,2sleep20-21swapper/210:49:402
329922670,2sleep20-21swapper/210:49:392
1674822670,2sleep10-21swapper/112:29:011
35322660,1sleep121942-21kworker/u8:1509:30:381
1917022660,1sleep116413-21kworker/u8:112:33:501
1566722660,1sleep29597-21kworker/u8:1311:15:332
1566722660,1sleep29597-21kworker/u8:1311:15:332
145522660,3sleep21453-21ssh11:55:262
557222650,6sleep25569-21apt-key12:05:032
1147722650,2sleep23416-21kworker/u8:609:55:242
1147722650,2sleep23416-21kworker/u8:609:55:232
3220722640,3sleep232201-21head09:30:192
2709422640,1sleep121618-21kworker/u8:410:30:171
2029222640,1sleep114193-21kworker/u8:211:25:361
508422630,1sleep24522-21kworker/u8:1312:04:272
2838722630,4sleep223487-21kworker/2:007:50:142
2316722630,2sleep10-21swapper/107:34:081
973922620,1sleep29596-21kworker/u8:1211:03:032
715422620,1sleep15053-21kworker/u8:210:56:261
53022620,2sleep10-21swapper/110:42:381
2198722620,2sleep20-21swapper/210:19:072
1636622620,2sleep20-21swapper/210:05:332
821022610,1sleep12256-21kworker/u8:1408:25:281
57922610,2sleep10-21swapper/111:54:571
32622610,2sleep20-21swapper/208:02:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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