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2026-01-09 - 08:31
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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 376 highest latencies:
System rackfslot4.osadl.org (updated Fri Jan 09, 2026 00:45:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3256924010,1sleep131680-21kworker/u8:1121:50:161
3256924010,1sleep131680-21kworker/u8:1121:50:161
961423280,1sleep227007-21kworker/u8:822:10:132
1992123140,2sleep20-21swapper/222:30:382
1725323090,1sleep28622-21kworker/u8:923:35:282
1339923050,4sleep111045-21kworker/u8:5119:30:181
87222990,2sleep10-21swapper/100:10:261
77222980,2sleep2766-21ssh21:50:332
77222980,2sleep2766-21ssh21:50:332
2548422970,6sleep119-21ksoftirqd/123:54:491
1219322970,1sleep225-21ksoftirqd/219:25:312
1854822960,2sleep117827-21kworker/u8:619:45:271
287922940,1sleep232120-21kworker/u8:900:15:182
2336722930,1sleep122109-21kworker/u8:021:30:221
1133922910,2sleep20-21swapper/223:23:062
1400622890,10sleep26433-21cyclictest22:20:012
1009322880,1sleep18620-21kworker/u8:723:20:191
1197422870,2sleep20-21swapper/200:35:012
1123322870,2sleep20-21swapper/221:00:302
553022860,2sleep15467-21ssh23:10:221
770522850,2sleep27704-21awk22:05:292
3009122850,2sleep10-21swapper/100:03:511
3009122850,2sleep10-21swapper/100:03:511
117622850,2sleep21165-21ssh23:00:382
3121622840,1sleep129803-21kworker/u8:400:05:271
2370222840,1sleep122914-21kworker/u8:3220:00:151
2647922830,2sleep10-21swapper/122:45:371
58122820,1sleep229800-21kworker/u8:000:10:182
2075022820,2sleep20-21swapper/219:50:312
1450922810,2sleep214501-21ssh21:10:282
1136622810,1sleep110963-21kworker/u8:922:13:451
370322800,3sleep2121rcu_preempt21:56:322
2184922800,6sleep220076-21kworker/u8:1122:35:372
2150422800,2sleep20-21swapper/223:45:162
2141022800,2sleep20-21swapper/221:25:272
1721522790,1sleep116399-21kworker/u8:019:40:241
3216022770,1sleep229363-21kworker/u8:022:59:002
2634522770,1sleep124931-21kworker/u8:023:55:251
2856922760,2sleep20-21swapper/221:40:282
2843422760,1sleep127004-21kworker/u8:521:40:231
2947122740,2sleep224935-21kworker/u8:600:00:532
2947122740,2sleep224935-21kworker/u8:600:00:532
962422730,2sleep19622-21modprobe19:20:001
1490222730,2sleep114862-21ssh23:30:251
1490222730,2sleep114862-21ssh23:30:241
1291422730,2sleep112910-21ssh00:35:311
802222720,1sleep16831-21kworker/u8:020:50:331
646622720,2sleep10-21swapper/122:03:271
2552722720,2sleep125476-21latency_hist22:45:001
2552722720,2sleep125476-21latency_hist22:45:001
1340322720,1sleep212663-21kworker/u8:119:30:202
830922710,2sleep28296-21ssh00:25:442
2620422710,1sleep122123-21kworker/u8:1821:35:291
1155322710,2sleep10-21swapper/119:25:151
542922700,2sleep25424-21ssh22:00:302
2599822700,1sleep222123-21kworker/u8:1821:35:262
2194122700,2sleep121940-21ssh23:45:331
1707122700,4sleep2251ksoftirqd/221:15:372
797922690,1sleep26831-21kworker/u8:020:50:302
1854922690,5sleep2241rcuc/219:45:292
1620122690,1sleep113381-21kworker/u8:1221:15:131
969022680,3sleep19650-21ssh00:30:001
954522680,1sleep16856-21kworker/u8:2820:55:261
310822680,1sleep20-21swapper/220:35:342
3088322680,2sleep221218-1kworker/u9:021:45:312
3064622680,1sleep224935-21kworker/u8:600:05:162
437722670,1sleep13690-21kworker/u8:121:59:371
1277222670,3sleep20-21swapper/221:05:252
1201322670,1sleep28619-21kworker/u8:623:25:062
563722660,2sleep225-21ksoftirqd/219:05:342
3241522660,3sleep132416-21sendmail23:00:011
3191222660,2sleep121343-21kworker/u8:1220:25:191
2856122650,1sleep222902-21kworker/u8:2020:15:192
243522650,1sleep11888-21kworker/u8:423:04:391
1230822650,1sleep18619-21kworker/u8:623:25:221
1968422640,2sleep10-21swapper/121:21:041
804922630,1sleep21888-21kworker/u8:423:15:342
629322630,1sleep23532-21kworker/u8:120:45:262
2950222630,1sleep121343-21kworker/u8:1220:17:441
2572722630,2sleep20-21swapper/220:05:302
3134422620,1sleep129461-21kworker/u8:120:24:591
2723322620,2sleep10-21swapper/120:10:241
2239922620,1sleep121345-21kworker/u8:1419:55:301
1384622620,1sleep110965-21kworker/u8:1122:19:361
2607922610,1sleep121340-21kworker/u8:820:05:381
1556422610,1sleep115365-21kworker/u8:121:13:241
808522600,2sleep10-21swapper/123:15:381
450922600,1sleep124934-21kworker/u8:500:18:331
2670122600,1sleep226197-21kworker/u8:220:10:142
1993922600,2sleep20-21swapper/221:22:182
1923722600,2sleep10-21swapper/123:40:211
1556622600,2sleep20-21swapper/222:21:502
1198422600,3sleep111977-21cron21:05:001
2570522590,1sleep224951-21kworker/u8:422:45:012
2407122590,4sleep224063-21ssh21:30:472
2245322590,1sleep221345-21kworker/u8:1419:55:352
1846122590,1sleep217962-21kworker/u8:822:29:312
3220722580,2sleep20-21swapper/220:25:292
3086722580,1sleep129342-21kworker/u8:221:45:301
2875322580,1sleep127051-21kworker/u8:1222:50:351
2118622580,2sleep10-21swapper/119:50:471
1458922580,1sleep28622-21kworker/u8:923:30:182
1458922580,1sleep28622-21kworker/u8:923:30:172
810322570,2sleep18027-21ssh22:05:401
662422570,2sleep20-21swapper/219:10:112
1356122570,2sleep20-21swapper/200:36:542
476922560,2sleep10-21swapper/120:40:361
2404422560,2sleep20-21swapper/222:40:272
2404422560,2sleep20-21swapper/222:40:272
1530022560,1sleep114554-21kworker/u8:3519:35:211
145422560,1sleep232731-21kworker/u8:1020:30:362
145422560,1sleep232731-21kworker/u8:1020:30:362
575922550,2sleep25753-21ssh00:20:272
575922550,2sleep25753-21ssh00:20:272
356822550,1sleep13540-21kworker/u8:1320:36:581
2422322550,2sleep224219-21ssh23:50:312
2139722540,1sleep113381-21kworker/u8:1221:25:261
1957622540,1sleep217971-21kworker/u8:323:40:312
1733822540,1sleep216399-21kworker/u8:019:40:322
989722530,2sleep10-21swapper/119:20:111
344922530,1sleep129363-21kworker/u8:023:05:331
344922530,1sleep129363-21kworker/u8:023:05:321
1849422530,2sleep10-21swapper/123:39:171
1348022530,1sleep113381-21kworker/u8:1221:08:341
636622510,1sleep21887-21kworker/u8:323:11:412
2041822510,3sleep120354-1kworker/u9:222:32:541
152122510,1sleep132731-21kworker/u8:1020:30:391
152122510,1sleep132731-21kworker/u8:1020:30:391
989822500,1sleep27726-21kworker/u8:1019:20:132
443622500,2sleep20-21swapper/223:08:142
443622500,2sleep20-21swapper/223:08:142
1556422500,1sleep110961-21kworker/u8:622:21:491
683622490,1sleep124935-21kworker/u8:600:23:371
683622490,1sleep124935-21kworker/u8:600:23:361
2113422490,2sleep121131-21apt-get22:35:131
1693022490,1sleep115631-21kworker/u8:422:25:231
1558422490,2sleep20-21swapper/219:35:262
952722480,1sleep26144-21kworker/u8:119:18:562
708722480,1sleep14504-21kworker/u8:1319:10:221
2646122480,2sleep226455-21ssh23:55:312
1009122480,1sleep28718-21kworker/u8:120:57:052
3146622470,2sleep20-21swapper/220:25:012
2475022470,2sleep20-21swapper/220:04:032
994922460,2sleep10-21swapper/100:30:171
702722460,2sleep10-21swapper/120:49:001
521022460,2sleep10-21swapper/119:05:161
513622450,2sleep20-21swapper/220:40:572
2864622450,1sleep227051-21kworker/u8:1222:50:282
500322400,2sleep30-21swapper/319:05:143
2700621220,2sleep30-21swapper/323:56:113
1644521160,2sleep30-21swapper/323:35:013
1644521160,2sleep30-21swapper/323:35:003
323562550,1chrt0-21swapper/300:08:393
305692480,2sleep30-21swapper/322:55:163
117772370,12sleep30-21swapper/321:02:293
178802280,2sleep30-21swapper/322:26:533
9892270,2sleep30-21swapper/323:00:313
82562270,2sleep30-21swapper/319:15:163
34562270,2sleep30-21swapper/300:15:303
126552270,2sleep30-21swapper/323:25:333
176362260,2sleep30-21swapper/319:40:373
65402250,2sleep30-21swapper/323:12:253
151212250,2sleep30-21swapper/321:11:213
104412250,2sleep30-21swapper/323:20:333
85432240,2sleep30-21swapper/320:52:523
42922240,2sleep30-21swapper/323:07:363
42922240,2sleep30-21swapper/323:07:353
204692240,2sleep30-21swapper/323:42:453
201612240,2sleep30-21swapper/321:23:193
159902240,2sleep30-21swapper/322:23:443
113472240,2sleep30-21swapper/322:13:393
65512230,2sleep30-21swapper/300:22:183
65512230,2sleep30-21swapper/300:22:183
326372230,2sleep30-21swapper/320:26:233
245612230,12sleep30-21swapper/322:40:493
245612230,12sleep30-21swapper/322:40:483
230512230,2sleep30-21swapper/319:58:253
215202230,2sleep30-21swapper/319:54:513
207892230,12sleep30-21swapper/321:25:083
19902230,3sleep30-21swapper/320:32:423
19902230,3sleep30-21swapper/320:32:413
161332230,2sleep30-21swapper/319:36:443
131982230,2sleep30-21swapper/322:16:373
321132220,2sleep30-21swapper/321:49:183
280242220,2sleep30-21swapper/320:14:443
197972220,2sleep30-21swapper/319:48:443
18662220,2sleep30-21swapper/321:53:363
18662220,2sleep30-21swapper/321:53:363
184412220,11sleep30-21swapper/323:39:023
174152220,2sleep30-21swapper/321:16:203
118662220,2sleep30-21swapper/300:34:413
298112210,2sleep30-21swapper/300:02:323
298112210,2sleep30-21swapper/300:02:323
270512210,2sleep30-21swapper/321:37:163
244952210,2sleep30-21swapper/320:00:503
231982210,2sleep30-21swapper/323:49:493
200432210,2sleep30-21swapper/322:31:123
127312210,2sleep30-21swapper/319:27:503
6437992014,3cyclictest102582chrt19:20:223
31472200,10sleep3301rcuc/320:35:343
274612200,10sleep30-21swapper/322:48:403
295552180,7sleep3301rcuc/322:52:423
249022180,8sleep3301rcuc/323:52:053
92792170,2sleep30-21swapper/300:28:143
80672170,6sleep3301rcuc/323:15:363
74702170,6sleep3301rcuc/322:05:223
643799179,6cyclictest31-21ksoftirqd/320:05:243
53452170,7sleep3301rcuc/320:43:313
241812170,7sleep3301rcuc/321:30:523
142342160,2sleep30-21swapper/300:40:003
71662150,5sleep3301rcuc/319:10:263
69552150,5sleep3301rcuc/320:48:063
643799159,4cyclictest31-21ksoftirqd/300:10:133
643799158,4cyclictest289262chrt20:15:333
643799158,4cyclictest12841-21taskset21:05:303
99812140,4sleep3301rcuc/320:55:413
58972140,4sleep3301rcuc/322:00:523
312452140,2sleep3301rcuc/320:24:053
285222140,3sleep30-21swapper/321:40:253
24352140,4sleep3301rcuc/321:55:053
223162140,4sleep3301rcuc/322:36:063
144242140,4sleep3301rcuc/319:30:563
29644293,2sleep00-21swapper/021:43:370
2510293,2sleep00-21swapper/023:04:590
24723293,2sleep00-21swapper/023:51:140
17479293,2sleep00-21swapper/021:16:380
15538293,2sleep00-21swapper/023:31:170
15538293,2sleep00-21swapper/023:31:160
13631293,2sleep00-21swapper/000:37:130
9677283,2sleep00-21swapper/023:20:030
8499282,2sleep00-21swapper/020:52:180
7800282,2sleep00-21swapper/019:12:370
7476281,3sleep07578-21memory22:05:240
6654282,2sleep00-21swapper/000:22:480
6654282,2sleep00-21swapper/000:22:470
6572282,2sleep00-21swapper/023:12:360
5991282,2sleep00-21swapper/019:05:400
5334282,2sleep00-21swapper/022:00:250
3799282,2sleep00-21swapper/021:57:010
31610282,2sleep00-21swapper/022:56:340
31586282,2sleep00-21swapper/021:46:540
31210283,2sleep00-21swapper/020:23:390
27767282,2sleep00-21swapper/020:11:290
27111282,2sleep00-21swapper/023:56:420
26950282,2sleep00-21swapper/022:46:170
26739282,2sleep00-21swapper/021:35:530
26415282,2sleep00-21swapper/020:09:430
24976282,2sleep00-21swapper/021:33:160
24595282,2sleep00-21swapper/022:40:590
24595282,2sleep00-21swapper/022:40:580
22525282,2sleep00-21swapper/023:46:360
22057282,2sleep00-21swapper/021:26:310
21756281,3sleep021773-21/usr/sbin/munin22:35:320
2024282,2sleep00-21swapper/000:12:420
19606282,2sleep00-21swapper/021:20:440
19080282,2sleep00-21swapper/019:45:410
1877282,2sleep00-21swapper/020:31:230
1877282,2sleep00-21swapper/020:31:220
18429282,2sleep00-21swapper/023:39:000
17636282,2sleep00-21swapper/022:25:480
15507282,2sleep00-21swapper/021:13:080
15335282,2sleep00-21swapper/022:20:440
14768282,2sleep00-21swapper/019:34:530
1383282,2sleep00-21swapper/021:51:250
1383282,2sleep00-21swapper/021:51:250
13708282,2sleep00-21swapper/023:28:230
13338282,2sleep00-21swapper/022:17:150
12669282,2sleep00-21swapper/019:27:030
11799282,2sleep00-21swapper/021:02:460
11477282,2sleep00-21swapper/000:32:550
10718282,2sleep00-21swapper/022:10:520
10321282,2sleep00-21swapper/020:59:580
9327272,2sleep00-21swapper/019:16:340
9070271,2sleep00-21swapper/000:27:190
8014271,3sleep08020-21ssh23:15:330
7041272,2sleep00-21swapper/020:49:120
4044271,2sleep00-21swapper/000:16:290
3956271,2sleep00-21swapper/023:06:040
3956271,2sleep00-21swapper/023:06:040
312272,2sleep00-21swapper/020:28:020
2968271,2sleep00-21swapper/020:35:240
29409272,2sleep00-21swapper/020:16:430
28145271,2sleep00-21swapper/000:00:030
28145271,2sleep00-21swapper/000:00:030
28043271,2sleep00-21swapper/022:50:160
24529272,2sleep00-21swapper/020:01:160
22502271,2sleep00-21swapper/019:55:380
20144272,2sleep00-21swapper/019:50:060
20080271,2sleep00-21swapper/022:31:220
20072271,2sleep00-21swapper/023:40:540
17987272,2sleep00-21swapper/019:44:250
16323272,2sleep00-21swapper/019:39:080
13506272,2sleep00-21swapper/021:08:540
4076261,2sleep00-21swapper/020:40:040
10954261,2sleep00-21swapper/019:21:200
none11:06:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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