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2026-08-25 - 23:17
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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 Tue Aug 25, 2026 12:45:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2450723900,1sleep220533-21kworker/u8:211:00:402
583123790,2sleep25834-21/usr/sbin/munin10:20:202
314023780,3sleep114000-1kworker/u9:010:15:161
1850123720,2sleep217769-1kworker/u9:108:10:152
1850023720,2sleep10-21swapper/108:10:141
1016723660,1sleep26675-21kworker/u8:911:40:152
1016723660,1sleep26675-21kworker/u8:911:40:152
56123650,7sleep1191ksoftirqd/110:10:141
314123520,3sleep22637-21apt-get10:15:172
1521223480,2sleep115211-21ssh10:40:291
212223340,3sleep20-21swapper/212:32:382
2752723170,2sleep20-21swapper/209:57:042
1822823150,2sleep10-21swapper/110:46:561
502123120,2sleep20-21swapper/207:30:272
2585223120,1sleep122894-21kworker/u8:1512:15:011
912523100,1sleep18011-21kworker/u8:807:40:311
966423020,3sleep29667-1kworker/u9:207:42:322
1794523020,1sleep116167-21kworker/u8:311:55:391
1288823010,2sleep20-21swapper/210:35:272
152123000,1sleep2927-21kworker/u8:807:20:182
152123000,1sleep2927-21kworker/u8:807:20:172
3099122990,3sleep129000-1kworker/u9:012:25:221
2996622970,6sleep1121rcu_preempt07:08:311
2204622950,1sleep119632-21kworker/u8:108:20:191
913722930,1sleep16675-21kworker/u8:911:37:451
1166222930,1sleep211564-21kworker/u8:709:22:192
802222920,2sleep20-21swapper/210:25:232
2886022900,2sleep124548-1kworker/u9:008:40:291
2001322900,1sleep111552-21kworker/u8:512:00:331
2134222890,4sleep2251ksoftirqd/208:18:122
2546722880,1sleep224550-21kworker/u8:1108:30:262
3137522860,1sleep126623-21kworker/u8:807:10:441
2724222860,2sleep10-21swapper/111:06:171
1613222860,2sleep10-21swapper/109:31:591
93822850,2sleep231009-21kworker/u8:408:55:182
2366222850,5sleep217769-1kworker/u9:108:25:232
2366222850,5sleep217769-1kworker/u9:108:25:232
919722830,1sleep11812-21kworker/u8:309:16:351
2936222830,1sleep224913-21kworker/u8:1007:05:302
2718222820,2sleep124548-1kworker/u9:008:35:271
2386722820,2sleep223866-21ssh12:10:142
1070722810,1sleep29672-21kworker/u8:1407:45:312
1070722810,1sleep29672-21kworker/u8:1407:45:302
800522800,2sleep18001-21ssh10:25:211
3206522790,2sleep10-21swapper/111:16:201
1025322790,3sleep1121rcu_preempt10:30:161
1498622780,2sleep20-21swapper/211:50:212
1237722780,2sleep112339-21ssh11:45:021
1237722780,2sleep112339-21ssh11:45:011
1798922770,2sleep20-21swapper/210:45:562
83022760,2sleep10-21swapper/112:30:201
2927222760,3sleep218193-1kworker/u9:011:10:462
2927222760,3sleep218193-1kworker/u9:011:10:452
2343922760,1sleep223104-21kworker/u8:609:49:042
2343922760,1sleep223104-21kworker/u8:609:49:042
1924822760,1sleep118194-21kworker/u8:310:50:191
697022750,2sleep10-21swapper/109:11:411
1088422750,1sleep19246-21kworker/u8:1209:20:291
373922740,2sleep20-21swapper/207:25:292
2619722740,2sleep126119-1kworker/u9:212:15:171
2185522730,3sleep221851-21ssh12:05:212
3217222720,1sleep131015-21kworker/u8:1108:50:351
3217222720,1sleep131015-21kworker/u8:1108:50:351
334222710,2sleep20-21swapper/211:25:202
1888422710,1sleep211552-21kworker/u8:511:59:252
1133922710,1sleep26872-21kworker/u8:710:31:582
2276722700,2sleep20-21swapper/208:20:372
1425122700,2sleep20-21swapper/209:28:542
3208122690,2sleep20-21swapper/211:16:242
3052922690,1sleep229364-21kworker/u8:208:45:332
2816322690,1sleep123102-21kworker/u8:210:00:001
2465922690,2sleep1121rcu_preempt08:29:001
2465922690,2sleep1121rcu_preempt08:29:001
1284722690,2sleep112809-21ssh11:45:211
944322680,2sleep20-21swapper/211:39:122
2999222680,2sleep10-21swapper/111:12:291
2999222680,2sleep10-21swapper/111:12:291
1731322680,3sleep225-21ksoftirqd/208:05:372
2806322670,1sleep220536-21kworker/u8:611:10:002
1502922670,3sleep20-21swapper/209:30:192
42922660,2sleep10-21swapper/107:15:461
2536822660,2sleep10-21swapper/108:30:241
137222660,5sleep225-21ksoftirqd/211:20:272
137222660,5sleep225-21ksoftirqd/211:20:262
1310122660,2sleep113088-21ssh10:35:381
657822650,1sleep11980-21kworker/u8:410:20:521
567822650,1sleep14285-21kworker/u8:307:30:471
3132222650,2sleep131317-21ssh10:05:271
3009422650,2sleep10-21swapper/112:23:321
3009422650,2sleep10-21swapper/112:23:321
2449322650,1sleep120533-21kworker/u8:211:00:401
2219222650,1sleep220535-21kworker/u8:510:55:382
1522722650,1sleep26872-21kworker/u8:710:40:302
810322640,1sleep18011-21kworker/u8:807:38:331
2987522640,2sleep30-21swapper/307:07:203
2068222640,2sleep10-21swapper/108:15:281
1905822640,6sleep117665-1kworker/u9:109:39:591
1510622640,1sleep113860-21kworker/u8:711:50:251
1306922640,1sleep24383-21kworker/u8:811:45:272
2910922630,2sleep20-21swapper/210:00:302
2115022630,4sleep214000-1kworker/u9:009:44:022
1987522630,3sleep219870-21ssh10:50:352
38322620,2sleep20-21swapper/207:15:442
377222620,2sleep10-21swapper/111:25:351
292122620,3sleep22920-21ssh12:35:162
859222610,1sleep23550-21kworker/u8:009:15:282
3071222610,1sleep229791-21kworker/u8:512:25:152
116522610,1sleep227460-21kworker/u8:610:10:272
494522600,2sleep10-21swapper/112:40:001
3138522600,2sleep20-21swapper/207:10:442
295422600,2sleep20-21swapper/209:00:272
2215022600,2sleep122149-21memory09:45:261
2215022600,2sleep122149-21memory09:45:261
1564322600,1sleep114748-21kworker/u8:008:00:291
141622600,1sleep127251-21kworker/u8:111:20:291
141622600,1sleep127251-21kworker/u8:111:20:291
467222590,1sleep11900-21kworker/u8:909:05:341
379522590,1sleep12657-21kworker/u8:507:25:311
2719122590,1sleep226094-21kworker/u8:1808:35:272
2320422590,1sleep116165-21kworker/u8:112:08:121
1954622590,2sleep119493-21ssh09:40:191
1294322590,1sleep111215-21kworker/u8:1907:52:371
3051722580,3sleep130516-21ntp_states08:45:321
1689422580,1sleep114748-21kworker/u8:008:05:191
683322570,1sleep16675-21kworker/u8:911:32:441
2733822570,2sleep20-21swapper/212:16:212
266522570,1sleep12662-21kworker/u8:1207:22:061
266522570,1sleep12662-21kworker/u8:1207:22:051
2288222570,2sleep10-21swapper/110:57:171
468122560,1sleep23552-21kworker/u8:109:05:352
2984922560,1sleep19240-21kworker/u8:510:02:101
2925122560,2sleep20-21swapper/208:40:392
2583322550,1sleep19240-21kworker/u8:509:54:421
1882122550,1sleep218459-21kworker/u8:309:38:552
1310722550,2sleep10-21swapper/109:25:281
2972722540,1sleep225163-21kworker/u8:012:21:492
2972722540,1sleep225163-21kworker/u8:012:21:492
1293222540,1sleep211215-21kworker/u8:1907:52:292
1394622530,2sleep211243-21kworker/u8:4707:55:282
726322520,1sleep26675-21kworker/u8:911:34:452
683222520,2sleep20-21swapper/209:11:022
3272522520,2sleep20-21swapper/208:53:092
3272522520,2sleep20-21swapper/208:53:092
3113422520,1sleep29240-21kworker/u8:510:05:242
795022510,2sleep20-21swapper/207:36:422
2519422510,5sleep225-21ksoftirqd/209:51:422
365322490,1sleep13550-21kworker/u8:009:03:411
2123722490,2sleep20-21swapper/212:04:452
1572222490,1sleep211235-21kworker/u8:3908:00:332
81022480,1sleep131010-21kworker/u8:508:55:161
1013522480,2sleep10-21swapper/107:45:181
1013522480,2sleep10-21swapper/107:45:171
1464322470,1sleep111243-21kworker/u8:4707:58:481
191682330,2sleep30-21swapper/309:40:013
30171993024,4cyclictest301rcuc/311:53:283
30171993023,4cyclictest301rcuc/309:11:483
30171993022,4cyclictest301rcuc/311:10:023
30171993022,4cyclictest301rcuc/311:10:023
30171993021,7cyclictest301rcuc/308:13:073
30171992922,5cyclictest301rcuc/307:12:513
30171992822,4cyclictest301rcuc/310:28:343
30171992822,4cyclictest301rcuc/307:20:163
30171992822,4cyclictest301rcuc/307:20:153
30171992821,5cyclictest301rcuc/310:05:543
30171992722,3cyclictest301rcuc/310:01:523
30171992722,3cyclictest301rcuc/308:26:383
30171992722,3cyclictest301rcuc/308:26:373
30171992721,4cyclictest301rcuc/312:13:033
30171992721,4cyclictest301rcuc/310:10:083
30171992721,4cyclictest301rcuc/309:06:583
30171992621,3cyclictest301rcuc/311:23:383
30171992621,3cyclictest301rcuc/311:23:373
30171992621,3cyclictest301rcuc/310:58:373
30171992620,4cyclictest301rcuc/309:23:343
30171992620,4cyclictest301rcuc/308:55:003
30171992620,4cyclictest301rcuc/308:55:003
30171992620,4cyclictest301rcuc/308:02:253
30171992620,4cyclictest301rcuc/307:28:113
30171992620,4cyclictest301rcuc/307:17:183
30171992619,5cyclictest301rcuc/310:51:293
30171992619,5cyclictest301rcuc/309:28:403
30171992618,5cyclictest301rcuc/312:19:583
248962260,2sleep30-21swapper/311:00:573
30171992520,3cyclictest301rcuc/310:23:233
30171992519,4cyclictest301rcuc/312:20:513
30171992519,4cyclictest301rcuc/312:20:513
30171992519,4cyclictest301rcuc/312:01:483
30171992519,4cyclictest301rcuc/310:46:313
30171992519,4cyclictest301rcuc/310:37:513
30171992519,4cyclictest301rcuc/310:31:363
30171992519,4cyclictest301rcuc/309:56:063
30171992519,4cyclictest301rcuc/308:45:563
30171992517,5cyclictest301rcuc/311:33:033
30171992517,4cyclictest301rcuc/311:36:033
30171992517,4cyclictest301rcuc/309:53:083
30171992516,5cyclictest301rcuc/309:48:343
30171992516,5cyclictest301rcuc/309:48:343
41032240,2sleep30-21swapper/312:36:173
30171992418,4cyclictest301rcuc/309:43:563
30171992418,4cyclictest301rcuc/308:44:313
30171992418,4cyclictest301rcuc/308:37:073
30171992418,4cyclictest301rcuc/308:24:133
30171992418,4cyclictest301rcuc/307:41:593
30171992417,5cyclictest301rcuc/311:40:103
30171992417,5cyclictest301rcuc/311:40:093
30171992417,5cyclictest301rcuc/309:34:073
30171992417,5cyclictest301rcuc/308:58:333
30171992415,6cyclictest301rcuc/307:50:353
94192230,2sleep30-21swapper/309:17:343
30171992318,3cyclictest301rcuc/312:34:373
30171992318,3cyclictest301rcuc/307:30:533
30171992317,4cyclictest301rcuc/312:28:593
30171992317,4cyclictest301rcuc/311:46:213
30171992317,4cyclictest301rcuc/311:08:353
30171992317,4cyclictest301rcuc/310:43:373
30171992317,4cyclictest301rcuc/308:15:433
30171992317,4cyclictest301rcuc/308:06:103
30171992316,5cyclictest301rcuc/310:17:373
30171992217,3cyclictest301rcuc/311:16:063
30171992217,3cyclictest301rcuc/308:32:373
30171992216,4cyclictest301rcuc/309:03:563
30171992216,4cyclictest301rcuc/307:46:213
30171992216,4cyclictest301rcuc/307:46:203
30171992215,4cyclictest301rcuc/311:26:233
30171992214,5cyclictest301rcuc/307:39:503
187602210,2sleep30-21swapper/311:58:513
30171992014,4cyclictest301rcuc/307:58:523
30171992013,4cyclictest301rcuc/312:06:553
9725293,3sleep09729-21ssh10:30:000
31656293,2sleep00-21swapper/007:13:580
31008293,2sleep00-21swapper/011:15:180
29704292,3sleep029706-21ssh10:01:290
25096293,3sleep025097-21ssh11:01:550
23315292,3sleep023319-21ssh12:08:460
1830292,3sleep01878-21irqstats07:20:240
1830292,3sleep01878-21irqstats07:20:240
1668292,3sleep01672-21users10:10:420
12303292,3sleep012314-21ntpq07:50:280
11440293,2sleep00-21swapper/011:41:390
11440293,2sleep00-21swapper/011:41:390
9374282,2sleep00-21swapper/011:38:550
6831283,2sleep00-21swapper/011:32:430
6615282,2sleep00-21swapper/010:21:030
421281,2sleep00-21swapper/007:15:470
32503282,2sleep00-21swapper/012:28:590
32098281,3sleep032110-21ntpq08:50:310
32098281,3sleep032110-21ntpq08:50:300
30299282,2sleep00-21swapper/012:24:290
30299282,2sleep00-21swapper/012:24:290
30233282,2sleep00-21swapper/011:13:340
30233282,2sleep00-21swapper/011:13:330
29768282,2sleep00-21swapper/007:05:580
29300282,2sleep00-21swapper/008:41:100
26081283,2sleep00-21swapper/008:31:370
25708282,2sleep00-21swapper/012:14:240
25286282,2sleep00-21swapper/009:52:090
23178281,2sleep00-21swapper/009:47:510
23178281,2sleep00-21swapper/009:47:510
20928282,2sleep00-21swapper/012:03:180
18335282,2sleep00-21swapper/009:36:370
16189282,2sleep00-21swapper/010:43:100
16148283,2sleep00-21swapper/008:02:050
16146282,2sleep00-21swapper/009:32:030
11977282,2sleep00-21swapper/009:23:510
11679282,2sleep00-21swapper/010:33:340
9848272,2sleep00-21swapper/007:44:440
955271,3sleep01025-21grep12:30:230
6857271,2sleep00-21swapper/007:35:210
6101272,2sleep00-21swapper/007:31:500
4492272,2sleep00-21swapper/007:29:500
4399271,2sleep00-21swapper/010:16:370
3511271,2sleep00-21swapper/009:01:560
32696271,2sleep00-21swapper/010:09:530
31062272,2sleep00-21swapper/008:47:360
28083271,2sleep00-21swapper/009:59:400
23025271,2sleep00-21swapper/008:23:450
21144271,2sleep00-21swapper/008:15:450
20761271,2sleep00-21swapper/010:53:030
2004271,2sleep00-21swapper/011:21:220
2004271,2sleep00-21swapper/011:21:210
18198271,2sleep00-21swapper/011:56:110
18067271,2sleep00-21swapper/010:46:200
14433272,2sleep00-21swapper/007:56:060
13746271,2sleep00-21swapper/009:26:320
13493272,2sleep00-21swapper/010:36:190
11469272,2sleep00-21swapper/007:49:320
11469272,2sleep00-21swapper/007:49:310
673261,2sleep00-21swapper/008:55:090
5137261,2sleep00-21swapper/009:07:070
27729261,2sleep00-21swapper/008:36:590
21090261,2sleep00-21swapper/009:43:450
19673261,2sleep00-21swapper/008:12:440
17657261,2sleep00-21swapper/008:05:480
24451251,2sleep00-21swapper/008:26:270
24451251,2sleep00-21swapper/008:26:260
16351251,2sleep00-21swapper/011:53:180
none11:06:110
none11:06:110
none11:06:110
none11:06:110
none11:06:110
none11:06:110
none11:06:110
none11:06:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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