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2026-04-11 - 11:57
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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 792 highest latencies:
System rackfslot4.osadl.org (updated Sat Apr 11, 2026 00:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2690324090,2sleep2121rcu_preempt20:55:252
94523680,1sleep230995-21kworker/u8:319:40:122
2362623670,2sleep20-21swapper/220:45:282
95223530,2sleep10-21swapper/119:40:171
960523200,1sleep17022-21kworker/u8:1620:05:281
1675623120,2sleep2241rcuc/200:10:362
1273823090,5sleep211515-21kworker/u8:221:40:202
1082523060,2sleep10-21swapper/123:57:491
3068523040,2sleep10-21swapper/121:06:091
312523010,2sleep13124-21ssh23:40:241
2111123000,2sleep10-21swapper/120:39:441
1200022940,2sleep111998-21ssh22:50:101
47322930,2sleep20-21swapper/223:35:182
47322930,2sleep20-21swapper/223:35:182
2229422930,1sleep111515-21kworker/u8:222:00:261
2636122920,2sleep20-21swapper/200:31:342
834322910,1sleep27023-21kworker/u8:1720:00:422
762722900,1sleep23872-21kworker/u8:1223:50:262
1555322850,2sleep10-21swapper/120:20:391
2658922820,1sleep224526-21kworker/u8:519:20:022
2406622820,1sleep114058-21kworker/u8:322:05:111
2000522810,2sleep10-21swapper/100:18:401
1986222810,1sleep12108-21kworker/u8:323:05:471
1653622790,2sleep20-21swapper/221:48:032
3111722780,1sleep229911-21kworker/u8:1222:20:202
1795222780,2sleep117947-21ssh21:50:371
1230922780,1sleep28386-21kworker/u8:500:00:352
1632822770,2sleep2422-1kworker/u9:223:00:002
1451822770,1sleep212981-21kworker/u8:600:05:332
1132122770,2sleep271711kworker/u8:521:35:572
3152522760,1sleep127631-21kworker/u8:822:20:351
2889922750,2sleep20-21swapper/223:25:382
2014822750,1sleep219304-21kworker/u8:020:35:222
608522730,2sleep10-21swapper/119:55:181
608522730,2sleep10-21swapper/119:55:171
748722720,2sleep20-21swapper/221:29:132
571522720,2sleep15702-21apt-get21:25:151
3023922720,2sleep20-21swapper/221:05:302
2060122720,1sleep219567-21kworker/u8:2000:20:132
2006722720,2sleep20-21swapper/221:55:282
2006722720,2sleep20-21swapper/221:55:272
1926322710,3sleep219179-21ssh00:15:382
1466822710,2sleep10-21swapper/121:44:571
1322922710,1sleep211219-21kworker/u8:522:51:162
2837322700,3sleep225-21ksoftirqd/219:25:172
294222690,1sleep130996-21kworker/u8:419:45:241
917922680,1sleep24396-21kworker/u8:122:43:312
425622680,1sleep23872-21kworker/u8:1223:43:422
94722670,1sleep127106-21kworker/u8:623:35:331
94722670,1sleep127106-21kworker/u8:623:35:331
592822670,3sleep25927-21ssh23:46:002
480522670,1sleep13872-21kworker/u8:1223:45:151
3201922670,1sleep130773-21kworker/u8:1221:10:351
1199122670,2sleep20-21swapper/220:10:332
1113222670,2sleep20-21swapper/223:59:182
2888222660,4sleep223169-21cyclictest22:15:222
2075722660,1sleep114058-21kworker/u8:321:56:321
2075722660,1sleep114058-21kworker/u8:321:56:311
1733222660,1sleep112765-21kworker/u8:300:11:391
1732222660,2sleep20-21swapper/223:00:362
1018722660,2sleep27022-21kworker/u8:1620:05:432
773822650,2sleep17732-21apt-get20:00:181
3150222650,1sleep227106-21kworker/u8:623:30:442
3044822650,1sleep129368-21kworker/u8:519:30:261
2643322650,2sleep10-21swapper/119:20:011
225622650,3sleep22255-21ssh22:27:442
2941222640,1sleep129142-21kworker/u8:721:05:011
2728322640,2sleep20-21swapper/223:22:122
1928922640,2sleep217678-21kworker/u8:120:32:132
1409322640,1sleep112981-21kworker/u8:600:05:201
1349722640,8sleep119-21ksoftirqd/100:04:491
1003122640,1sleep18924-21kworker/u8:422:45:201
2389022630,2sleep20-21swapper/222:05:012
1607022630,1sleep114058-21kworker/u8:321:45:501
1304622630,2sleep212531-21kworker/u8:220:15:112
490022620,2sleep10-21swapper/119:50:351
490022620,2sleep10-21swapper/119:50:351
3107322620,1sleep127106-21kworker/u8:623:30:311
2853322620,2sleep20-21swapper/200:36:052
2918822610,1sleep125548-21kworker/u8:522:15:291
2732822610,2sleep127330-21timerandwakeup22:10:391
2575422610,1sleep119567-21kworker/u8:2000:30:301
2529022610,2sleep10-21swapper/120:50:301
67122600,1sleep232720-21kworker/u8:1421:14:172
480622600,2sleep20-21swapper/219:50:292
480622600,2sleep20-21swapper/219:50:282
2429522600,2sleep20-21swapper/223:15:322
966022590,3sleep225-21ksoftirqd/221:33:472
2766122590,1sleep126369-21kworker/u8:019:20:411
1779022590,2sleep20-21swapper/221:50:262
926222580,1sleep14396-21kworker/u8:122:43:551
551222580,1sleep12109-21kworker/u8:422:35:191
551222580,1sleep12109-21kworker/u8:422:35:181
443022580,2sleep20-21swapper/222:32:182
2593522580,1sleep225547-21kworker/u8:222:09:272
415122570,3sleep24150-21ssh21:20:322
2682622570,2sleep20-21swapper/222:10:232
2588022570,1sleep125009-21kworker/u8:423:20:101
2350522570,2sleep10-21swapper/119:10:161
1046322570,6sleep14148-1kworker/u9:021:35:201
479422560,2sleep10-21swapper/121:21:571
2311122560,2sleep20-21swapper/223:14:042
2059622560,2sleep20-21swapper/223:07:492
1709622560,2sleep20-21swapper/220:25:262
261922550,2sleep229372-21kworker/u8:919:45:172
190422550,2sleep11898-21ssh21:15:381
1849822550,2sleep10-21swapper/123:04:421
1541222550,2sleep10-21swapper/122:55:571
2740422540,3sleep127384-21ssh00:35:151
1493722540,1sleep212537-21kworker/u8:720:20:192
2341922530,1sleep18388-21kworker/u8:700:25:261
2264822530,1sleep122583-21kworker/u8:1520:43:211
2237222530,2sleep30-21swapper/319:05:323
2237222530,2sleep30-21swapper/319:05:323
187422530,2sleep21872-21ssh21:15:352
1244722530,1sleep18907-21kworker/u8:1920:10:481
919222520,2sleep10-21swapper/121:31:341
849222520,1sleep18389-21kworker/u8:923:52:301
331122520,2sleep13309-21ssh22:30:201
2188522520,2sleep20-21swapper/220:40:252
1094422520,1sleep28924-21kworker/u8:422:46:122
2322822510,3sleep223226-21ssh00:25:232
2173422510,2sleep10-21swapper/119:05:101
2173422510,2sleep10-21swapper/119:05:101
2128622500,1sleep117292-21kworker/u8:1400:20:321
181422500,1sleep132190-21kworker/u8:022:25:421
704022480,2sleep20-21swapper/219:57:442
704022480,2sleep20-21swapper/219:57:432
2888822480,2sleep10-21swapper/123:25:371
2389422480,2sleep120410-21kworker/u8:723:15:201
2405522470,1sleep116055-21kworker/u8:1020:45:421
2393122470,2sleep20-21swapper/219:10:252
2711422460,2sleep20-21swapper/219:20:222
1918022450,1sleep116055-21kworker/u8:1020:30:471
3209522440,2sleep20-21swapper/219:35:302
596422430,1sleep24398-21kworker/u8:522:35:362
596422430,1sleep24398-21kworker/u8:522:35:352
3175922430,1sleep129372-21kworker/u8:919:35:211
3089822430,1sleep229372-21kworker/u8:919:30:432
2174622430,2sleep20-21swapper/219:05:152
2174622430,2sleep20-21swapper/219:05:152
1783122430,1sleep117681-21kworker/u8:220:29:061
1330122430,1sleep112531-21kworker/u8:220:15:181
2940222420,1sleep129372-21kworker/u8:919:27:081
2530122420,1sleep219304-21kworker/u8:020:50:302
2134622410,1sleep117900-21kworker/u8:423:10:131
2826122400,3sleep228262-21/usr/sbin/munin21:00:192
2635922380,1sleep1181rcuc/120:55:111
1281521350,2sleep30-21swapper/320:15:003
210852430,2sleep30-21swapper/321:58:063
210852430,2sleep30-21swapper/321:58:053
235362260,2sleep30-21swapper/323:15:013
239472250,2sleep30-21swapper/300:25:503
23175992519,4cyclictest301rcuc/320:40:033
238302240,12sleep3301rcuc/320:45:373
23175992419,3cyclictest301rcuc/323:15:433
260252230,2sleep30-21swapper/322:09:513
23175992317,4cyclictest301rcuc/323:25:483
232112220,11sleep3301rcuc/322:02:163
23175992217,3cyclictest301rcuc/322:52:343
23175992217,3cyclictest301rcuc/321:34:223
23175992217,3cyclictest301rcuc/321:12:153
23175992216,4cyclictest301rcuc/323:57:563
23175992216,4cyclictest301rcuc/321:49:393
23175992216,3cyclictest301rcuc/320:26:243
23175992215,3cyclictest301rcuc/322:38:563
23175992215,3cyclictest301rcuc/322:38:563
23175992116,3cyclictest301rcuc/323:06:583
23175992116,3cyclictest301rcuc/321:50:033
23175992114,4cyclictest301rcuc/322:59:583
88072200,9sleep3301rcuc/322:41:483
8382200,2sleep30-21swapper/323:35:273
8382200,2sleep30-21swapper/323:35:273
23175992015,3cyclictest301rcuc/321:42:593
23175992015,3cyclictest301rcuc/320:57:363
23175992015,3cyclictest301rcuc/300:37:003
23175992015,3cyclictest301rcuc/300:18:583
23175992014,4cyclictest301rcuc/323:50:003
23175992014,4cyclictest301rcuc/300:34:223
23175991914,3cyclictest301rcuc/323:02:153
23175991914,3cyclictest301rcuc/322:34:453
23175991914,3cyclictest301rcuc/322:15:553
23175991914,3cyclictest301rcuc/322:12:023
23175991914,3cyclictest301rcuc/321:02:273
23175991914,3cyclictest301rcuc/319:48:413
23175991914,3cyclictest301rcuc/319:20:043
23175991914,3cyclictest301rcuc/300:06:403
23175991913,4cyclictest301rcuc/322:48:123
23175991913,4cyclictest301rcuc/321:15:123
23175991912,5cyclictest301rcuc/319:37:133
23175991813,3cyclictest301rcuc/323:52:293
23175991813,3cyclictest301rcuc/323:31:333
23175991813,3cyclictest301rcuc/322:23:003
23175991813,3cyclictest301rcuc/321:27:033
23175991813,3cyclictest301rcuc/321:21:593
23175991813,3cyclictest301rcuc/321:07:123
23175991813,3cyclictest301rcuc/320:53:463
23175991813,3cyclictest301rcuc/320:37:373
23175991813,3cyclictest301rcuc/320:07:003
23175991813,3cyclictest301rcuc/319:13:453
23175991812,4cyclictest301rcuc/323:43:163
23175991812,4cyclictest301rcuc/320:31:263
23175991812,4cyclictest301rcuc/320:22:183
23175991812,4cyclictest301rcuc/319:17:023
23175991812,3cyclictest301rcuc/322:28:223
23175991811,5cyclictest301rcuc/320:15:493
164442180,8sleep3301rcuc/300:10:253
23175991712,3cyclictest301rcuc/323:20:053
23175991712,3cyclictest301rcuc/320:03:383
23175991712,3cyclictest301rcuc/319:56:093
23175991712,3cyclictest301rcuc/319:56:093
23175991712,3cyclictest301rcuc/319:41:013
23175991712,3cyclictest301rcuc/319:30:533
23175991712,3cyclictest301rcuc/319:26:433
23175991711,3cyclictest301rcuc/321:38:153
120192170,7sleep3301rcuc/300:00:243
23175991611,3cyclictest301rcuc/319:50:383
23175991611,3cyclictest301rcuc/319:50:383
23175991510,3cyclictest301rcuc/300:21:233
9291282,2sleep00-21swapper/021:32:010
9051282,2sleep00-21swapper/022:42:580
8912282,2sleep00-21swapper/023:54:310
7094282,2sleep00-21swapper/021:27:160
6470282,2sleep00-21swapper/023:48:360
4483282,2sleep00-21swapper/023:44:540
32763282,2sleep00-21swapper/021:12:290
31672282,2sleep00-21swapper/022:20:440
29827282,2sleep00-21swapper/023:28:300
29062282,2sleep00-21swapper/021:01:060
27456282,2sleep00-21swapper/020:56:480
27321282,2sleep00-21swapper/000:35:030
2724282,2sleep00-21swapper/021:17:540
27032282,2sleep00-21swapper/023:20:580
26398282,3sleep026396-21ssh00:31:460
2555282,2sleep00-21swapper/022:29:120
25519282,2sleep00-21swapper/022:07:290
24730282,2sleep00-21swapper/023:16:000
24609282,2sleep00-21swapper/000:29:040
23489282,2sleep00-21swapper/022:03:340
22913282,2sleep00-21swapper/023:13:060
22771282,2sleep00-21swapper/019:06:020
22771282,2sleep00-21swapper/019:06:020
2095282,2sleep00-21swapper/023:39:150
2095282,2sleep00-21swapper/023:39:150
20925282,2sleep00-21swapper/021:57:240
20925282,2sleep00-21swapper/021:57:240
20635282,2sleep00-21swapper/023:08:000
20206282,2sleep00-21swapper/000:19:350
19201282,2sleep00-21swapper/021:54:580
18098282,2sleep00-21swapper/023:02:450
17798282,2sleep00-21swapper/000:13:520
17616282,2sleep00-21swapper/020:26:300
16096282,2sleep00-21swapper/021:45:580
15210282,2sleep00-21swapper/000:07:170
13971282,2sleep00-21swapper/021:41:360
13460282,2sleep00-21swapper/000:04:360
12706281,2sleep00-21swapper/022:50:340
12137282,2sleep00-21swapper/021:39:500
11692281,3sleep011693-21ssh22:49:490
10997282,2sleep00-21swapper/023:58:380
8798272,2sleep00-21swapper/020:01:220
7132271,2sleep00-21swapper/019:58:550
7132271,2sleep00-21swapper/019:58:550
6407271,2sleep00-21swapper/022:36:070
6407271,2sleep00-21swapper/022:36:070
4570271,2sleep00-21swapper/021:20:520
3675272,2sleep00-21swapper/019:46:210
31763271,2sleep00-21swapper/023:32:000
31507271,2sleep00-21swapper/019:35:170
29411273,2sleep00-21swapper/019:27:170
27945271,2sleep00-21swapper/022:13:120
21860271,2sleep00-21swapper/000:21:320
2059272,2sleep00-21swapper/019:41:180
19174272,2sleep00-21swapper/020:30:430
16040271,2sleep00-21swapper/022:58:540
14109272,2sleep00-21swapper/020:16:240
5486261,2sleep00-21swapper/019:53:480
5486261,2sleep00-21swapper/019:53:480
31002262,2sleep00-21swapper/019:31:590
27811261,2sleep00-21swapper/019:22:300
25855261,2sleep00-21swapper/020:51:530
24981262,2sleep00-21swapper/019:15:100
24412262,2sleep00-21swapper/019:11:040
24059262,2sleep00-21swapper/020:45:460
22560262,2sleep00-21swapper/020:42:210
20792261,2sleep00-21swapper/020:35:490
16061261,2sleep00-21swapper/020:22:110
12556262,2sleep00-21swapper/020:12:050
10629262,2sleep00-21swapper/020:06:100
30819251,2sleep00-21swapper/021:07:410
none11:06:110
none11:06:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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