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2026-04-06 - 14:19
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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 Mon Apr 06, 2026 00:45:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1652523440,2sleep20-21swapper/221:10:192
1652223390,1sleep112505-21kworker/u8:021:10:191
2758123310,2sleep20-21swapper/221:34:082
1332623190,1sleep111967-21kworker/u8:623:25:271
331423140,6sleep18653-21cyclictest00:15:111
331423140,6sleep18653-21cyclictest00:15:101
1582923060,2sleep20-21swapper/221:07:582
1991222970,2sleep10-21swapper/121:16:061
1991222970,2sleep10-21swapper/121:16:051
1562722970,2sleep115623-21ssh23:30:301
2350922940,12sleep2241rcuc/223:47:412
1364222930,1sleep112507-21kworker/u8:321:00:331
759622910,1sleep12158-21kworker/u8:900:25:011
86622870,3sleep2868-21ssh21:45:382
1291622850,1sleep14646-21kworker/u8:600:35:301
1291622850,1sleep14646-21kworker/u8:600:35:291
2579022840,2sleep10-21swapper/121:30:181
74122800,2sleep1736-21ssh21:45:291
562722790,1sleep24645-21kworker/u8:500:20:142
2563122790,2sleep10-21swapper/122:40:291
2563122790,2sleep10-21swapper/122:40:291
606722780,3sleep16068-21latency_hist20:40:011
2112622760,1sleep219648-21kworker/u8:422:30:292
2037122760,1sleep219002-21kworker/u8:223:40:302
1240522760,2sleep10-21swapper/123:24:431
476922750,2sleep24646-21kworker/u8:600:17:292
476922750,2sleep24646-21kworker/u8:600:17:292
267922750,1sleep131704-21kworker/u8:021:50:191
1028622750,2sleep20-21swapper/220:50:292
1004022730,2sleep10-21swapper/120:50:231
2872522720,2sleep10-21swapper/121:35:321
1273322720,1sleep112507-21kworker/u8:321:00:001
576722710,1sleep22973-21kworker/u8:023:10:002
3170222710,2sleep20-21swapper/222:55:132
410822700,2sleep10-21swapper/123:05:181
2272622700,2sleep212766-21kworker/u8:1322:35:112
1926522700,1sleep219002-21kworker/u8:223:39:132
1534322700,2sleep10-21swapper/121:05:341
603722680,2sleep16032-21apt-get23:10:111
2474322680,1sleep220238-21kworker/u8:621:27:282
2474322680,1sleep220238-21kworker/u8:621:27:272
1951622680,2sleep20-21swapper/219:40:322
1094422680,2sleep10-21swapper/122:09:051
1066822680,4sleep2241rcuc/200:30:272
2153522670,1sleep120237-21kworker/u8:521:20:241
2113422670,2sleep28284-1kworker/u9:419:45:342
816122660,3sleep15695-21kworker/u8:2620:45:291
816122660,3sleep15695-21kworker/u8:2620:45:291
215822660,2sleep20-21swapper/223:00:232
1269322660,1sleep111572-21kworker/u8:219:20:271
784622650,1sleep26740-21kworker/u8:4219:05:332
3101922650,1sleep10-21swapper/121:40:351
269622650,2sleep22695-21ssh00:14:182
2487322650,1sleep223393-21kworker/u8:523:50:272
1335022650,3sleep213348-21ntpq23:25:282
2315122640,2sleep10-21swapper/123:46:031
214322640,1sleep1576-21kworker/u8:323:00:221
1776222640,2sleep15639-1kworker/u9:023:35:341
1441722640,1sleep112766-21kworker/u8:1322:15:391
783522630,1sleep16742-21kworker/u8:4419:05:321
766722630,2sleep27666-21ntp_states22:00:382
720022630,2sleep3301rcuc/319:05:143
2591822630,2sleep20-21swapper/220:00:262
758822620,3sleep10-21swapper/122:00:331
2452722620,2sleep10-21swapper/123:50:181
575522610,7sleep220024-1kworker/u9:021:55:422
3008522610,2sleep230080-21ssh22:50:272
2941022610,2sleep20-21swapper/220:10:362
2600222610,1sleep123173-21kworker/u8:420:00:321
1525022610,2sleep20-21swapper/222:17:542
1214622610,6sleep18653-21cyclictest22:10:341
1107622610,1sleep29668-21kworker/u8:423:20:252
2790822600,3sleep227904-21ssh22:45:322
1390222600,1sleep213555-21kworker/u8:1000:38:072
1390222600,1sleep213555-21kworker/u8:1000:38:072
1271122600,2sleep20-21swapper/219:20:282
686222590,2sleep20-21swapper/220:40:312
3169822590,1sleep223389-21kworker/u8:100:05:312
3098322590,2sleep10-21swapper/122:52:551
1888822590,1sleep217370-21kworker/u8:122:25:302
1672722590,3sleep116708-21ssh22:20:351
1672722590,3sleep116708-21ssh22:20:351
371222580,1sleep23660-21kworker/u8:621:51:412
3185322580,2sleep20-21swapper/221:42:562
2337522580,2sleep10-21swapper/122:35:301
1747122580,2sleep20-21swapper/222:22:412
1747122580,2sleep20-21swapper/222:22:412
1045722580,1sleep18379-21kworker/u8:2519:15:081
892522570,2sleep20-21swapper/219:10:152
53722570,1sleep127941-21kworker/u8:600:09:591
2936322570,2sleep20-21swapper/221:36:582
2690722570,2sleep126904-21ssh23:55:241
238822570,1sleep131596-21kworker/u8:220:26:051
2013322570,2sleep10-21swapper/122:29:351
1781522570,2sleep20-21swapper/219:35:382
157922570,1sleep231596-21kworker/u8:220:25:182
2908222560,2sleep10-21swapper/120:10:261
1602722560,2sleep20-21swapper/219:30:342
1602722560,2sleep20-21swapper/219:30:332
103922560,1sleep1576-21kworker/u8:322:59:071
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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