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2026-03-17 - 17:41
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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 Mar 17, 2026 12:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2769323530,1sleep217023-21kworker/u8:711:30:332
3022823400,2sleep130229-21/usr/sbin/munin09:15:241
1751123310,3sleep116804-21kworker/u8:211:09:481
1250723230,2sleep20-21swapper/210:57:362
907523140,2sleep10-21swapper/108:12:331
1091323140,2sleep20-21swapper/208:19:502
3229823080,1sleep217023-21kworker/u8:711:40:372
3229823080,1sleep217023-21kworker/u8:711:40:362
1708023050,2sleep20-21swapper/211:07:492
2376323040,2sleep10-21swapper/112:33:431
1348423030,2sleep10-21swapper/111:00:171
2439623010,2sleep20-21swapper/209:00:182
3229023000,1sleep117023-21kworker/u8:711:40:361
3229023000,1sleep117023-21kworker/u8:711:40:361
2587223000,1sleep224281-21kworker/u8:210:15:352
511422990,1sleep20-21swapper/209:30:322
511422990,1sleep20-21swapper/209:30:322
1863422990,2sleep20-21swapper/212:20:532
537322980,2sleep10-21swapper/110:41:031
743522970,1sleep24927-21kworker/u8:811:56:412
743522970,1sleep24927-21kworker/u8:811:56:412
1944222960,2sleep119441-21ssh10:00:391
1380022920,2sleep10-21swapper/109:50:131
63022900,1sleep131142-21kworker/u8:909:20:471
2434622880,1sleep116602-21kworker/u8:112:35:141
1664922880,1sleep113915-21kworker/u8:308:35:281
2254922860,1sleep27937-21kworker/u8:310:09:442
2179522850,1sleep118931-21kworker/u8:1012:30:001
2429222830,1sleep123637-21kworker/u8:809:00:161
2948422810,1sleep128345-21kworker/u8:407:35:351
1259222810,1sleep210610-21kworker/u8:908:25:002
1259222810,1sleep210610-21kworker/u8:908:25:002
2610122800,2sleep122096-1kworker/u9:309:05:191
2095722800,1sleep218843-21kworker/u8:008:50:132
2049322800,2sleep20-21swapper/212:25:362
1586322800,2sleep20-21swapper/208:35:012
2997622790,2sleep129969-21ssh11:35:331
219222790,2sleep1518-21kworker/u8:511:45:391
2991722780,1sleep226066-21kworker/u8:011:35:312
2814822780,3sleep128149-21sh09:10:291
2102622770,2sleep119-21ksoftirqd/107:10:311
1103922770,3sleep111028-21apt-get10:55:131
743522760,1sleep25857-21kworker/u8:209:35:352
2160622760,7sleep2121rcu_preempt11:17:372
2079922760,1sleep112434-21kworker/u8:411:15:311
1797822760,1sleep117196-21kworker/u8:908:40:191
1797822760,1sleep117196-21kworker/u8:908:40:191
1038122760,2sleep20-21swapper/209:42:022
690122750,1sleep14928-21kworker/u8:911:55:441
690122750,1sleep14928-21kworker/u8:911:55:441
2462722750,1sleep223507-21kworker/u8:812:35:212
2394822740,2sleep20-21swapper/211:22:442
2133122740,3sleep121325-21ssh10:05:341
2317822730,3sleep225-21ksoftirqd/208:55:312
567522720,1sleep1121rcu_preempt08:00:381
360222720,1sleep2753-21kworker/u8:4107:55:342
3072522710,1sleep229911-21kworker/u8:1607:40:182
2806022710,1sleep126581-21kworker/u8:010:20:251
1356722710,2sleep20-21swapper/211:00:172
438622700,1sleep2518-21kworker/u8:511:50:342
438622700,1sleep2518-21kworker/u8:511:50:342
2532422690,1sleep216804-21kworker/u8:211:25:292
2453222690,1sleep123460-21kworker/u8:1207:20:271
1653822690,1sleep114291-21kworker/u8:612:16:551
1346922690,1sleep110610-21kworker/u8:908:25:351
832122680,1sleep27431-21kworker/u8:508:10:252
2298922680,4sleep122309-21/usr/sbin/munin07:15:421
1080122680,1sleep15855-21kworker/u8:009:44:021
3213022670,3sleep132111-21aten2_rfpower_c07:45:161
3193622670,2sleep131796-21ssh10:30:021
3193622670,2sleep131796-21ssh10:30:011
2233322670,3sleep222315-21apt-get07:15:222
221322670,2sleep20-21swapper/209:25:182
475922660,1sleep24155-21kworker/u8:10308:00:162
3032022660,2sleep222096-1kworker/u9:309:15:252
938022650,2sleep29375-21ssh10:50:292
93422650,2sleep20-21swapper/210:31:562
1997922650,2sleep10-21swapper/108:45:321
1969622650,2sleep30-21swapper/307:05:393
2453822630,2sleep218291-1kworker/u9:107:20:292
1944622630,2sleep10-21swapper/107:05:321
1381222630,5sleep225-21ksoftirqd/209:50:192
794622620,1sleep27840-21kworker/u8:710:47:312
64322620,2sleep20-21swapper/209:20:482
2767622620,1sleep126068-21kworker/u8:411:30:311
2624022620,2sleep20-21swapper/207:25:352
2319722620,2sleep214285-1kworker/u9:112:31:022
1924922620,2sleep20-21swapper/211:12:162
1924922620,2sleep20-21swapper/211:12:152
944022610,1sleep1878-21kworker/u8:810:50:311
510022610,1sleep11300-21kworker/u8:709:30:311
510022610,1sleep11300-21kworker/u8:709:30:311
3247322610,1sleep229907-21kworker/u8:1207:45:242
1202522610,2sleep10-21swapper/109:45:401
1202522610,2sleep10-21swapper/109:45:391
797222600,2sleep10-21swapper/110:47:381
2852222600,1sleep21300-21kworker/u8:710:20:372
2474322600,1sleep121417-21kworker/u8:311:25:171
1095822600,2sleep29742-21kworker/u8:012:05:222
841322590,2sleep14926-21kworker/u8:612:00:061
671722590,1sleep15856-21kworker/u8:109:35:141
396222590,1sleep1516-21kworker/u8:111:50:211
396222590,1sleep1516-21kworker/u8:111:50:211
371622590,1sleep1879-21kworker/u8:910:39:061
371622590,1sleep1879-21kworker/u8:910:39:051
2791422590,2sleep20-21swapper/209:10:222
2610822590,1sleep223736-21kworker/u8:2809:05:202
185922590,1sleep2751-21kworker/u8:3907:50:232
1860422580,1sleep217398-21kworker/u8:1610:00:172
984922570,1sleep24925-21kworker/u8:412:02:212
609122570,1sleep2879-21kworker/u8:910:44:292
3234522570,2sleep10-21swapper/110:30:211
2439622570,1sleep121417-21kworker/u8:311:24:491
168622570,1sleep2516-21kworker/u8:111:45:192
1358722570,2sleep113586-21ssh12:10:301
1133222570,2sleep111324-21ssh12:05:331
2541022560,2sleep125390-21ssh10:15:181
2095622560,2sleep120950-21apt-get08:50:121
1830322560,1sleep229931-21kworker/2:008:40:282
1830322560,1sleep229931-21kworker/2:008:40:282
1690522560,1sleep216605-21kworker/u8:412:18:352
3000722550,1sleep228902-21kworker/u8:510:25:212
3000722550,1sleep228902-21kworker/u8:510:25:202
2776222550,2sleep20-21swapper/207:30:302
1894822550,1sleep118931-21kworker/u8:1012:22:211
288322540,2sleep12875-21ssh09:25:331
1795422540,1sleep217397-21kworker/u8:1509:59:312
1236022540,1sleep110725-21kworker/u8:3608:22:301
1236022540,1sleep110725-21kworker/u8:3608:22:301
3176222520,1sleep130003-21kworker/u8:2607:44:071
2944622520,5sleep2251ksoftirqd/207:35:312
2104222520,2sleep20-21swapper/207:10:322
1582022520,1sleep115563-21kworker/u8:208:35:001
2780422510,2sleep10-21swapper/107:30:331
260822510,2sleep22600-21ssh10:35:332
260822510,2sleep22600-21ssh10:35:332
2468922510,1sleep224282-21kworker/u8:410:14:112
1342622510,2sleep225-21ksoftirqd/212:10:242
1013022510,1sleep17442-21kworker/u8:1808:15:311
1860222500,5sleep119-21ksoftirqd/111:10:381
1860222500,5sleep119-21ksoftirqd/111:10:371
1736222500,1sleep115312-21kworker/u8:209:56:461
1186922500,2sleep211799-21ssh09:45:282
1186922500,2sleep211799-21ssh09:45:282
2675522490,1sleep119929-21kworker/u8:207:27:431
2412522490,1sleep11300-21kworker/u8:710:11:281
1408322470,2sleep210612-21kworker/u8:1108:28:342
260722460,1sleep1751-21kworker/u8:3907:54:071
657022440,1sleep15810-21kworker/u8:708:05:221
1958222440,2sleep20-21swapper/208:45:182
629922430,2sleep20-21swapper/208:05:152
419722430,2sleep10-21swapper/107:57:331
2382122430,1sleep123736-21kworker/u8:2808:58:321
2009322420,1sleep219929-21kworker/u8:207:08:582
1666522420,1sleep215568-21kworker/u8:808:35:292
2388521380,2sleep30-21swapper/307:20:023
205092470,2sleep30-21swapper/312:25:373
140112380,2sleep30-21swapper/312:10:423
32132370,12sleep30-21swapper/310:36:433
32132370,12sleep30-21swapper/310:36:423
317232320,2sleep30-21swapper/307:43:373
123572320,2sleep30-21swapper/310:56:573
211142280,2sleep30-21swapper/307:10:363
146952270,15sleep30-21swapper/309:50:483
325632260,2sleep30-21swapper/307:45:263
42462250,2sleep30-21swapper/307:58:123
286552250,2sleep30-21swapper/311:33:303
269202250,2sleep30-21swapper/310:18:543
221652250,2sleep30-21swapper/310:07:563
146502250,2sleep30-21swapper/311:02:003
96532240,2sleep30-21swapper/312:01:203
286862240,2sleep30-21swapper/310:21:233
247772240,2sleep30-21swapper/310:14:353
13142240,2sleep30-21swapper/309:22:053
106682240,2sleep30-21swapper/308:16:573
275202230,12sleep3301rcuc/309:10:113
251642230,13sleep30-21swapper/307:22:593
242142230,12sleep30-21swapper/309:00:063
232842230,2sleep30-21swapper/312:31:273
128672230,2sleep30-21swapper/309:48:023
128672230,2sleep30-21swapper/309:48:023
56952220,2sleep30-21swapper/308:00:493
304032220,2sleep30-21swapper/311:36:003
265352220,2sleep30-21swapper/311:29:133
169192220,2sleep30-21swapper/311:07:023
168602220,2sleep30-21swapper/312:18:253
123322220,2sleep30-21swapper/308:22:083
123322220,2sleep30-21swapper/308:22:083
54952210,2sleep30-21swapper/311:54:173
54952210,2sleep30-21swapper/311:54:163
27282210,2sleep30-21swapper/311:46:453
156712210,2sleep30-21swapper/308:33:093
119042210,2sleep30-21swapper/312:06:273
261432200,8sleep3301rcuc/312:39:233
221152190,2sleep30-21swapper/311:20:003
138182190,7sleep3301rcuc/308:25:423
74492170,6sleep3301rcuc/309:35:373
59612170,7sleep3301rcuc/310:43:543
312272160,6sleep3301rcuc/309:17:153
242362160,6sleep3301rcuc/311:24:063
19882160,6sleep3301rcuc/307:50:323
175322160,6sleep3301rcuc/312:20:133
91282150,5sleep3301rcuc/308:13:163
78922150,2sleep30-21swapper/311:58:523
78922150,2sleep30-21swapper/311:58:523
76032150,5sleep3301rcuc/310:45:523
73372150,5sleep3301rcuc/308:06:083
7212150,5sleep3301rcuc/310:30:553
47362150,4sleep3301rcuc/309:30:213
47362150,4sleep3301rcuc/309:30:213
327272150,5sleep3301rcuc/311:41:073
327272150,5sleep3301rcuc/311:41:063
314392150,5sleep3301rcuc/310:28:343
314392150,5sleep3301rcuc/310:28:343
276652150,5sleep3301rcuc/307:30:263
269442150,5sleep3301rcuc/309:06:333
255902150,5sleep3301rcuc/307:25:163
219622150,5sleep3301rcuc/308:50:383
2026499158,4cyclictest234972chrt08:55:403
2026499151,11cyclictest173692sleep309:56:493
183732150,5sleep3301rcuc/308:40:333
183732150,5sleep3301rcuc/308:40:333
160832150,5sleep3301rcuc/308:35:143
107222150,4sleep3301rcuc/309:43:413
102622150,5sleep3301rcuc/310:52:463
290812140,3sleep30-21swapper/307:35:213
25062140,5sleep3301rcuc/309:25:233
202512140,4sleep3301rcuc/310:04:393
199422140,4sleep3301rcuc/308:45:313
183342140,2sleep30-21swapper/311:10:243
183342140,2sleep30-21swapper/311:10:233
9702293,2sleep00-21swapper/012:01:340
30923293,2sleep00-21swapper/011:38:270
25051293,2sleep00-21swapper/007:21:320
8532282,2sleep00-21swapper/009:39:160
8231282,2sleep00-21swapper/010:48:510
8036282,2sleep00-21swapper/011:59:380
8036282,2sleep00-21swapper/011:59:370
5402282,2sleep00-21swapper/011:53:510
5402282,2sleep00-21swapper/011:53:500
4196282,2sleep00-21swapper/007:57:340
3598282,3sleep03599-21ssh09:27:220
32730282,2sleep00-21swapper/011:41:090
32730282,2sleep00-21swapper/011:41:080
31571282,2sleep00-21swapper/007:41:420
30146282,2sleep00-21swapper/007:39:210
29421282,2sleep00-21swapper/010:24:540
2746282,2sleep00-21swapper/011:46:510
26026282,2sleep00-21swapper/012:38:490
23834282,2sleep00-21swapper/012:34:030
23686282,2sleep00-21swapper/008:57:030
23522282,2sleep00-21swapper/011:20:460
21821282,2sleep00-21swapper/010:06:170
21398282,2sleep00-21swapper/011:16:410
20852282,2sleep00-21swapper/012:25:430
19440282,2sleep00-21swapper/010:00:390
18866282,2sleep00-21swapper/012:22:010
17630282,2sleep00-21swapper/009:57:570
16751282,2sleep00-21swapper/011:06:160
15762281,3sleep015768-21ntpq12:15:250
14927282,2sleep00-21swapper/009:50:550
14819282,2sleep00-21swapper/012:14:370
14458282,2sleep00-21swapper/011:01:000
14113283,2sleep00-21swapper/008:28:570
12951282,2sleep00-21swapper/010:59:490
12748282,2sleep00-21swapper/009:47:320
12748282,2sleep00-21swapper/009:47:320
10755282,2sleep00-21swapper/009:43:500
9862271,2sleep00-21swapper/010:50:510
7344272,2sleep00-21swapper/008:06:140
727272,2sleep00-21swapper/010:30:570
711272,2sleep00-21swapper/007:46:230
6151271,2sleep00-21swapper/009:33:410
6151271,2sleep00-21swapper/009:33:410
5953272,2sleep00-21swapper/008:04:010
3407271,2sleep00-21swapper/010:37:380
3407271,2sleep00-21swapper/010:37:370
31743271,2sleep00-21swapper/009:19:420
29690272,2sleep00-21swapper/010:25:020
29690272,2sleep00-21swapper/010:25:020
29078271,2sleep00-21swapper/009:12:500
27003272,2sleep00-21swapper/009:07:160
26958271,2sleep00-21swapper/011:30:070
24625271,2sleep00-21swapper/009:00:250
24017272,2sleep00-21swapper/010:11:000
23442272,2sleep00-21swapper/007:17:020
21989272,2sleep00-21swapper/008:50:590
21692272,2sleep00-21swapper/007:13:200
20375272,2sleep00-21swapper/008:45:580
19939271,2sleep00-21swapper/007:07:020
19170271,2sleep00-21swapper/011:11:530
19170271,2sleep00-21swapper/011:11:530
18740271,2sleep00-21swapper/008:40:470
18740271,2sleep00-21swapper/008:40:470
17342272,2sleep00-21swapper/008:38:500
12276272,2sleep00-21swapper/008:21:260
12276272,2sleep00-21swapper/008:21:260
9146262,2sleep00-21swapper/008:13:290
28323261,2sleep00-21swapper/007:32:130
27034260,2sleep00-21swapper/010:19:280
26790261,2sleep00-21swapper/007:28:110
2172260,2sleep00-21swapper/007:50:390
12621260,2sleep00-21swapper/012:09:550
10766262,2sleep00-21swapper/008:18:000
15490251,2sleep00-21swapper/008:30:570
none11:06:110
none11:06:110
none11:06:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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