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2026-04-11 - 22:49
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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 12:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3025923860,1sleep119941-21kworker/u8:307:20:131
1771123790,1sleep216763-21kworker/u8:409:45:142
1771123790,1sleep216763-21kworker/u8:409:45:132
374123420,1sleep11935-21kworker/u8:111:35:451
1867923360,2sleep20-21swapper/210:58:432
2752523250,1sleep226464-21kworker/u8:107:10:252
1812323230,3sleep1121rcu_preempt10:55:591
2208223200,2sleep20-21swapper/211:05:262
2208223200,2sleep20-21swapper/211:05:252
1505423200,3sleep215055-21/usr/sbin/munin10:50:232
2866023120,5sleep2251ksoftirqd/210:09:412
2588023050,1sleep119941-21kworker/u8:307:05:261
1363323010,3sleep10-21swapper/108:06:211
2916123000,1sleep226468-21kworker/u8:607:15:282
2916123000,1sleep226468-21kworker/u8:607:15:282
1423323000,1sleep27646-21kworker/u8:1409:35:402
2515822980,9sleep2121rcu_preempt12:22:472
2965622960,1sleep125280-21kworker/u8:1508:55:261
2965622960,1sleep125280-21kworker/u8:1508:55:261
2979922950,2sleep129798-21ssh11:22:331
1235122950,2sleep10-21swapper/108:05:001
2479722930,1sleep119047-21kworker/u8:010:00:201
1166722920,2sleep10-21swapper/111:53:271
2340222910,4sleep119-21ksoftirqd/111:09:351
2340222910,4sleep119-21ksoftirqd/111:09:351
1985922880,2sleep119853-21ssh11:00:301
1393522880,2sleep20-21swapper/208:10:002
3224622870,1sleep231766-21kworker/u8:2212:39:162
3224622870,1sleep231766-21kworker/u8:2212:39:152
2255022840,2sleep10-21swapper/108:35:161
1604022840,3sleep126775-21cyclictest08:15:141
914722820,1sleep27645-21kworker/u8:1309:25:342
2609222820,2sleep10-21swapper/108:45:211
1239122820,2sleep212376-21ssh11:55:172
81122790,1sleep232023-21kworker/u8:1011:30:272
2662922790,1sleep225111-21kworker/u8:711:15:262
2242722790,1sleep120544-21kworker/u8:1312:15:381
1796822790,1sleep215939-21kworker/u8:612:06:022
1589922790,1sleep213629-21kworker/u8:712:01:562
819722780,2sleep18189-21ssh11:45:341
2048022770,2sleep10-21swapper/112:12:041
3173022760,2sleep20-21swapper/210:15:252
2710322760,2sleep10-21swapper/111:15:421
1157622760,2sleep20-21swapper/209:30:392
2559022750,1sleep219941-21kworker/u8:307:05:192
735222740,2sleep10-21swapper/107:49:521
1997722740,1sleep119048-21kworker/u8:109:50:151
463522730,1sleep11078-21kworker/u8:1109:15:371
2481422730,1sleep122828-21kworker/u8:811:10:351
2426322730,5sleep127015-1kworker/u9:010:00:001
1888522730,2sleep20-21swapper/208:22:392
1888522730,2sleep20-21swapper/208:22:392
1129922730,15sleep19310-21kworker/u8:110:40:491
1087322730,2sleep26534-21kworker/u8:311:50:512
1167022720,2sleep111669-21ssh09:30:451
3126922700,1sleep229721-21kworker/u8:311:25:322
2783422700,3sleep127833-21irqstats08:50:241
2650122700,1sleep120541-21kworker/u8:1012:25:271
1746422700,2sleep10-21swapper/109:45:001
1281922700,2sleep112754-21ssh11:55:241
727922690,1sleep15333-21kworker/u8:509:20:391
861722680,1sleep17646-21kworker/u8:1409:25:171
623422680,2sleep26233-21ssh09:20:172
203222680,1sleep11073-21kworker/u8:609:10:221
490122670,2sleep20-21swapper/210:27:352
286422670,1sleep21078-21kworker/u8:1109:11:202
2444222670,2sleep124441-21df_inode08:40:181
210022670,2sleep22082-21timerwakeupswit07:30:392
3054422660,1sleep230451-21kworker/u8:110:12:592
1363722660,1sleep111615-21kworker/u8:1210:46:071
72422650,2sleep2518-21kworker/u8:707:29:072
597822640,1sleep11934-21kworker/u8:011:40:361
3201022640,2sleep10-21swapper/112:38:061
3201022640,2sleep10-21swapper/112:38:061
466822630,1sleep128187-21kworker/u8:810:26:301
2497122630,1sleep222828-21kworker/u8:811:11:172
2419022630,2sleep28842-1kworker/u9:308:40:112
1989122630,2sleep10-21swapper/108:25:271
235122620,1sleep132026-21kworker/u8:1311:34:241
1910822620,2sleep10-21swapper/109:47:141
1910822620,2sleep10-21swapper/109:47:141
1513722620,1sleep213736-21kworker/u8:108:10:452
364722600,2sleep23639-21ssh11:35:382
2365522600,1sleep120544-21kworker/u8:1312:20:171
2340122600,2sleep20-21swapper/209:56:062
2312622600,2sleep20-21swapper/208:35:302
1760322600,1sleep217151-21kworker/u8:2108:20:022
652522590,2sleep20-21swapper/211:41:372
2161822590,2sleep20-21swapper/208:30:392
865922580,1sleep228186-21kworker/u8:710:35:392
2542722580,2sleep219047-21kworker/u8:010:00:422
753222570,1sleep24441-21kworker/u8:211:45:152
52822570,1sleep131861-21kworker/u8:409:05:311
2254322570,1sleep220538-21kworker/u8:812:16:162
956122560,1sleep18840-21kworker/u8:8207:55:191
517822560,2sleep25181-21awk07:40:412
3135422560,2sleep20-21swapper/209:00:302
3131222560,2sleep131305-21ssh11:25:351
3089622560,2sleep230895-21ntp_states07:20:292
2729322560,3sleep220536-1kworker/u9:112:27:092
1969122560,2sleep20-21swapper/212:10:292
1752522560,1sleep115938-21kworker/u8:412:05:371
1248422560,2sleep212472-21apt-get10:45:162
2792322550,3sleep227925-21latency08:50:252
2105722550,2sleep10-21swapper/108:30:181
1021422550,2sleep20-21swapper/210:40:142
415722540,2sleep24151-21sendmail-msp07:40:002
1613222540,1sleep27646-21kworker/u8:1409:40:362
747322530,2sleep21139-1kworker/u9:010:34:102
569522530,2sleep15682-21apt-get10:30:161
2938422530,1sleep225109-21kworker/u8:611:20:422
2701422530,2sleep127012-21ssh10:05:191
2965022520,1sleep127202-21kworker/u8:1612:32:401
2757622520,2sleep10-21swapper/107:10:281
2041122520,1sleep211615-21kworker/u8:1211:01:082
1509622520,2sleep115095-21ssh09:39:501
113722520,3sleep11136-21ssh10:20:151
2934522510,2sleep20-21swapper/212:31:112
2052922510,2sleep20-21swapper/208:28:052
1574622510,1sleep113629-21kworker/u8:712:01:151
451922500,3sleep24511-21ntpq09:15:292
3134622500,3sleep128731-1kworker/u9:109:00:301
1638422500,1sleep116179-21kworker/u8:310:53:311
988822490,1sleep28804-21kworker/u8:4607:55:282
294922490,2sleep22948-21ssh10:24:042
223722490,1sleep1519-21kworker/u8:807:31:591
2120622490,2sleep20-21swapper/209:51:252
1429522490,2sleep10-21swapper/108:10:031
60822480,2sleep10-21swapper/110:19:091
392822480,1sleep13853-21kworker/u8:1407:37:501
2920922480,1sleep126468-21kworker/u8:607:15:311
2920922480,1sleep126468-21kworker/u8:607:15:311
1889922480,1sleep118824-21kworker/u8:2808:22:511
1889922480,1sleep118824-21kworker/u8:2808:22:501
872922470,2sleep10-21swapper/107:51:531
47622470,1sleep231861-21kworker/u8:409:05:292
3213822470,2sleep10-21swapper/107:25:201
880722460,3sleep18809-21mailstats10:35:421
494422440,9sleep119-21ksoftirqd/107:40:281
3089722440,1sleep130451-21kworker/u8:110:14:441
2582422440,2sleep225818-21apt-get08:45:152
734122420,1sleep27135-21kworker/u8:707:49:452
2597922410,2sleep30-21swapper/307:05:313
3009222400,1sleep226931-21kworker/u8:2808:55:392
3009222400,1sleep226931-21kworker/u8:2808:55:392
763022390,2sleep27622-21apt-get07:50:182
1160222340,5sleep2241rcuc/208:00:352
17422450,2sleep30-21swapper/309:10:163
133792250,2sleep30-21swapper/308:05:383
216572220,2sleep30-21swapper/312:15:203
323482210,2sleep30-21swapper/310:15:503
273462210,10sleep3301rcuc/307:10:223
263072210,2chrt0-21swapper/311:15:203
199572210,10sleep3301rcuc/311:00:373
63892200,10sleep3301rcuc/310:30:343
325332200,3chrt0-21swapper/312:40:013
325332200,3chrt0-21swapper/312:40:013
175632200,2chrt0-21swapper/310:55:263
23562190,9sleep30-21swapper/311:34:263
104102190,9sleep30-21swapper/307:56:463
238912180,8sleep3301rcuc/308:39:483
228452180,7sleep3301rcuc/309:55:283
154312180,6sleep3301rcuc/309:40:113
90452170,7sleep3301rcuc/310:35:473
70652170,7sleep3301rcuc/307:46:203
62052170,7sleep3301rcuc/309:20:093
40562170,7sleep3301rcuc/310:25:303
294882170,7sleep3301rcuc/312:31:523
285472170,7sleep3301rcuc/310:09:113
26782991710,4cyclictest17802chrt10:20:293
254992170,7sleep3301rcuc/311:13:513
253442170,7sleep3301rcuc/308:42:143
217312170,7sleep3301rcuc/309:53:583
190592170,7sleep3301rcuc/308:24:533
190592170,7sleep3301rcuc/308:24:533
147132170,7sleep3301rcuc/310:50:123
98262160,2sleep3301rcuc/311:50:013
84512160,5sleep3301rcuc/309:25:163
4932160,6sleep3301rcuc/307:26:303
305902160,6sleep3301rcuc/310:13:133
298772160,2chrt0-21swapper/307:18:503
298772160,2chrt0-21swapper/307:18:503
26782991610,3cyclictest312242chrt11:25:283
263672160,4sleep3301rcuc/308:45:273
257822160,6sleep3301rcuc/310:01:383
256922160,2sleep3301rcuc/312:25:013
231662160,6sleep3301rcuc/311:08:293
231662160,6sleep3301rcuc/311:08:283
191022160,6sleep3301rcuc/312:10:133
130672160,2sleep30-21swapper/310:45:293
82742150,5sleep3301rcuc/307:50:353
44942150,5sleep3301rcuc/311:37:483
42852150,4sleep3301rcuc/307:40:013
38842150,5sleep3301rcuc/309:15:073
313692150,2sleep30-21swapper/309:00:323
309002150,5sleep3301rcuc/307:20:313
2678299157,5cyclictest109552sleep309:30:243
2678299157,4cyclictest303592sleep311:25:023
205772150,5sleep3301rcuc/308:28:443
170012150,2sleep30-21swapper/312:05:193
152522150,4sleep3301rcuc/312:00:373
145272150,5sleep3301rcuc/309:37:073
112012150,4sleep3301rcuc/308:00:203
58972140,2sleep30-21swapper/311:40:293
3682140,2sleep3301rcuc/309:05:253
302522140,5sleep3301rcuc/308:57:213
302522140,5sleep3301rcuc/308:57:213
285752140,4sleep3301rcuc/308:51:433
2678299147,4cyclictest26599-21taskset12:25:333
221552140,4sleep3301rcuc/308:33:133
196612140,4sleep3301rcuc/309:49:533
196612140,4sleep3301rcuc/309:49:523
173932140,5sleep3301rcuc/308:19:503
155862140,4sleep3301rcuc/308:12:403
14902140,2sleep30-21swapper/307:30:243
129852140,3sleep30-21swapper/311:55:343
118802140,4sleep3301rcuc/310:43:313
74902130,2sleep3301rcuc/311:45:043
43722120,2sleep30-21swapper/307:40:053
7496292,3sleep07497-21ssh11:45:060
32372291,2sleep00-21swapper/009:05:150
30855291,2sleep00-21swapper/007:20:290
29645293,3sleep029649-21ssh12:32:390
8032281,4sleep08115-21cpu10:35:180
7596282,2sleep00-21swapper/010:34:460
6612282,2sleep00-21swapper/011:41:590
5119282,2sleep00-21swapper/010:28:390
3547282,2sleep00-21swapper/009:14:410
31921282,2sleep00-21swapper/011:26:510
31756282,2sleep00-21swapper/009:00:410
27301282,2sleep00-21swapper/012:27:120
25166282,2sleep00-21swapper/012:22:500
23367282,2sleep00-21swapper/009:55:580
23141282,2sleep00-21swapper/011:08:230
23141282,2sleep00-21swapper/011:08:220
2152282,2sleep00-21swapper/007:30:590
20945282,2sleep00-21swapper/012:14:180
20866282,2sleep00-21swapper/011:03:160
19132282,2sleep00-21swapper/009:47:220
19132282,2sleep00-21swapper/009:47:210
18729282,2sleep00-21swapper/010:58:580
1804281,2sleep00-21swapper/011:31:540
17947282,2sleep00-21swapper/012:05:570
17356282,2sleep00-21swapper/009:44:450
16692282,2sleep00-21swapper/010:54:590
15928282,2sleep00-21swapper/012:02:070
13834282,2sleep00-21swapper/010:47:040
13545282,2sleep00-21swapper/011:56:370
12461282,2sleep00-21swapper/009:32:580
11527282,2sleep00-21swapper/010:41:530
11274282,2sleep00-21swapper/011:51:340
10272282,2sleep00-21swapper/009:29:160
7057272,2sleep00-21swapper/007:46:140
573271,2sleep00-21swapper/010:19:020
5686272,2sleep00-21swapper/009:18:580
535272,2sleep00-21swapper/007:26:530
4265271,2sleep00-21swapper/011:36:420
4080272,2sleep00-21swapper/007:39:470
31507272,2sleep00-21swapper/012:35:480
31507272,2sleep00-21swapper/012:35:480
30246271,2sleep00-21swapper/010:11:330
29647273,2sleep00-21swapper/007:16:070
29647273,2sleep00-21swapper/007:16:070
29614271,2sleep00-21swapper/011:21:450
2927271,2sleep00-21swapper/010:23:590
28589272,2sleep00-21swapper/008:51:520
27440272,2sleep00-21swapper/011:17:110
26476271,2sleep00-21swapper/007:07:150
25870271,2sleep00-21swapper/010:02:040
25806272,2sleep00-21swapper/008:45:050
25172271,2sleep00-21swapper/011:12:170
22696271,2sleep00-21swapper/012:16:590
21651271,2sleep00-21swapper/009:53:330
20504272,2sleep00-21swapper/008:27:480
17682271,2sleep00-21swapper/008:20:080
17682271,2sleep00-21swapper/008:20:080
15453272,2sleep00-21swapper/008:10:560
13835271,2sleep00-21swapper/008:08:500
10375272,2sleep00-21swapper/007:56:200
5599261,2sleep00-21swapper/007:43:130
30249262,2sleep00-21swapper/008:57:200
30249262,2sleep00-21swapper/008:57:190
28061262,2sleep00-21swapper/007:11:370
25455261,2sleep00-21swapper/008:43:400
23676261,2sleep00-21swapper/008:37:130
17077261,2sleep00-21swapper/008:16:020
12124261,2sleep00-21swapper/008:02:390
8681251,2sleep00-21swapper/007:51:170
none11:06:110
none11:06:110
none11:06:110
none11:06:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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