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2026-04-26 - 19:32
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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 Apr 26, 2026 12:45:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
241523580,1sleep231362-21kworker/u8:710:25:112
242523500,2sleep10-21swapper/110:25:161
3140523390,1sleep127182-21kworker/u8:409:05:181
2445423390,3sleep224445-21apt-get08:45:172
2979523270,1sleep20-21swapper/209:00:202
3051023180,2sleep10-21swapper/109:00:511
723423170,2sleep17233-21ssh10:35:211
264723130,2sleep10-21swapper/107:37:511
264723130,2sleep10-21swapper/107:37:501
948223050,8sleep1181rcuc/110:40:251
2141823000,2sleep20-21swapper/208:35:242
2141823000,2sleep20-21swapper/208:35:232
1842722990,1sleep115613-21kworker/u8:109:50:001
1427622990,2sleep214275-21ssh09:40:152
135022930,2sleep11331-21ssh09:10:321
135022930,2sleep11331-21ssh09:10:311
2459922920,2sleep10-21swapper/110:02:061
629122910,3sleep16290-21users09:20:421
2435222910,1sleep16782-21kworker/u8:907:05:301
2435222910,1sleep16782-21kworker/u8:907:05:291
3064622870,2sleep130639-21ssh11:25:291
2994122870,1sleep121630-21kworker/u8:112:35:251
2035222870,1sleep117289-21kworker/u8:212:15:151
2035222870,1sleep117289-21kworker/u8:212:15:151
2057622850,1sleep120073-21kworker/u8:111:04:261
367522830,1sleep126947-21kworker/u8:411:36:471
1199622820,1sleep1181rcuc/110:45:241
1033122820,1sleep16499-21kworker/u8:509:30:301
815422810,1sleep232532-21kworker/u8:209:25:322
3208722790,2sleep231362-21kworker/u8:710:20:002
2789822790,2sleep20-21swapper/207:15:322
2789822790,2sleep20-21swapper/207:15:312
2052622790,3sleep220073-21kworker/u8:111:04:122
2305622770,2sleep10-21swapper/108:40:261
2305622770,2sleep10-21swapper/108:40:261
1201522770,1sleep210900-21kworker/u8:310:45:252
1655822760,2sleep10-21swapper/112:05:331
532322740,2sleep15315-21ssh11:40:341
366422740,1sleep12116-21kworker/u8:009:15:391
2324222740,3sleep123235-21apt-get11:10:131
2156122740,2sleep10-21swapper/108:35:311
2156122740,2sleep10-21swapper/108:35:301
492222730,2sleep14836-21ssh10:30:181
3030522730,3sleep230016-21kworker/u8:407:24:362
2964522730,2sleep10-21swapper/110:14:371
2537922720,2sleep225378-21ssh12:25:242
710222710,1sleep26503-21kworker/u8:1109:24:362
335922710,2sleep20-21swapper/211:35:482
2742822700,6sleep225-21ksoftirqd/212:30:242
1452422700,2sleep10-21swapper/110:50:311
1589222690,2sleep215889-21sendmail-msp08:20:012
1589222690,2sleep215889-21sendmail-msp08:20:002
1449122680,2sleep20-21swapper/210:50:282
2097522670,2sleep10-21swapper/109:55:151
1186822670,2sleep10-21swapper/108:05:321
94922660,2sleep20-21swapper/211:30:482
94922660,2sleep20-21swapper/211:30:482
688322660,1sleep13676-21kworker/u8:811:45:151
334822660,1sleep12595-21kworker/u8:907:40:191
2357122660,4sleep223572-21/usr/sbin/munin12:20:432
1586222660,1sleep210488-21kworker/u8:812:05:142
2845322650,1sleep226792-21kworker/u8:1810:10:362
607622640,4sleep225-21ksoftirqd/210:32:082
2741922640,1sleep126945-21kworker/u8:111:19:421
2631722640,2sleep20-21swapper/208:50:202
2170322640,1sleep215702-21kworker/u8:711:05:352
745922630,1sleep231480-21kworker/u8:011:45:292
2259322630,1sleep220492-21kworker/u8:408:40:152
2259322630,1sleep220492-21kworker/u8:408:40:152
2106222630,1sleep217289-21kworker/u8:212:15:352
2106222630,1sleep217289-21kworker/u8:212:15:352
1079222630,2sleep28761-21kworker/u8:1209:30:432
1074422630,16sleep210487-21kworker/u8:711:53:242
1074422630,16sleep210487-21kworker/u8:711:53:242
3126022620,1sleep230084-21kworker/u8:7307:25:382
2918322620,2sleep10-21swapper/111:22:191
2918322620,2sleep10-21swapper/111:22:191
124822620,2sleep10-21swapper/111:32:081
124822620,2sleep10-21swapper/111:32:081
701722610,2sleep20-21swapper/207:50:332
362722610,1sleep232532-21kworker/u8:209:15:362
288322610,1sleep22594-21kworker/u8:707:40:002
288322610,1sleep22594-21kworker/u8:707:40:002
2712322610,2sleep10-21swapper/110:08:171
2564222610,2sleep20-21swapper/207:10:122
1100922610,4sleep19142-21kworker/u8:1208:05:011
41622600,1sleep130016-21kworker/u8:407:30:341
2499622600,1sleep123695-21kworker/u8:508:45:331
1875422600,2sleep20-21swapper/212:10:332
2857122590,2sleep10-21swapper/108:55:381
2566122590,1sleep120204-21kworker/u8:307:10:251
1709522590,2sleep26699-1kworker/u9:110:55:302
1334022590,4sleep212739-21kworker/u8:1212:00:002
497722580,2sleep10-21swapper/107:45:191
265022580,2sleep20-21swapper/209:15:002
265022580,2sleep20-21swapper/209:15:002
2548922580,2sleep10-21swapper/112:25:281
215722580,2sleep10-21swapper/110:25:021
1837022580,3sleep218362-21ssh09:49:412
1404722580,2sleep10-21swapper/108:13:081
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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