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2026-03-28 - 08:49
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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 Mar 28, 2026 00:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
294223670,1sleep22202-21kworker/u8:2819:45:252
1863223280,3sleep10-21swapper/120:31:391
1072023210,2sleep10-21swapper/122:45:391
2575823130,3sleep225759-21/usr/sbin/munin23:20:172
2103523110,1sleep120307-21kworker/u8:620:40:161
1650723110,1sleep213396-21kworker/u8:3223:00:102
2495523080,2sleep10-21swapper/119:13:581
2651023050,2sleep10-21swapper/119:18:001
2651023050,2sleep10-21swapper/119:17:591
884723040,2sleep10-21swapper/120:01:041
508423030,1sleep24056-21kworker/u8:019:50:282
508423030,1sleep24056-21kworker/u8:019:50:282
2009423030,2sleep20-21swapper/223:06:462
522823010,1sleep122426-21kworker/u8:623:45:331
2613622950,1sleep220774-21kworker/u8:1422:10:052
295422910,1sleep129269-21kworker/u8:923:40:301
2108722910,2sleep10-21swapper/123:10:141
1487322870,2sleep20-21swapper/222:55:332
2595822850,7sleep225-21ksoftirqd/219:15:362
2595822850,7sleep225-21ksoftirqd/219:15:362
2331522830,2sleep20-21swapper/223:15:142
717922820,1sleep26537-21kworker/u8:222:40:002
1846422810,2sleep10-21swapper/121:53:061
30522800,2sleep132734-21ssh22:25:001
1430922800,1sleep213766-21kworker/u8:820:20:142
1430922800,1sleep213766-21kworker/u8:820:20:142
3156022780,2sleep131558-21ssh21:10:251
2229522780,1sleep120776-21kworker/u8:1622:00:321
2229522780,1sleep120776-21kworker/u8:1622:00:311
977922770,2sleep25847-1kworker/u9:323:55:342
358622770,1sleep21980-21kworker/u8:622:30:332
3036522770,5sleep1121rcu_preempt22:19:341
1852622750,6sleep10-21swapper/123:05:011
1239522750,1sleep28969-21kworker/u8:120:15:002
869922730,2sleep20-21swapper/223:54:502
580322730,2sleep15802-21ssh22:35:301
130522730,1sleep2448-21kworker/u8:119:40:202
2229222720,2sleep10-21swapper/100:23:411
1069522720,3sleep12923-1kworker/u9:121:35:261
1069522720,3sleep12923-1kworker/u9:121:35:251
3239422710,2sleep20-21swapper/219:35:302
2642422710,1sleep223728-21kworker/u8:320:55:342
997622700,1sleep17224-21kworker/u8:1220:05:261
997622700,1sleep17224-21kworker/u8:1220:05:261
94722700,1sleep132471-21kworker/u8:521:15:151
3071322700,2sleep130709-21ssh23:30:291
2321622700,3sleep30-21swapper/319:10:013
146322700,1sleep131293-21kworker/u8:619:40:231
1390122700,2sleep20-21swapper/221:42:382
2570722690,2sleep10-21swapper/122:09:121
2926522680,1sleep229050-21kworker/u8:723:27:212
2695322680,1sleep124743-21kworker/u8:219:20:121
2684222680,2sleep126835-21ssh22:10:321
2644922680,2sleep20-21swapper/200:31:542
2223722680,2sleep20-21swapper/222:00:292
2223722680,2sleep20-21swapper/222:00:282
1449422680,1sleep113395-21kworker/u8:3122:55:191
50622670,1sleep122421-21kworker/u8:323:35:281
360422670,2sleep20-21swapper/221:20:222
2904322670,1sleep122426-21kworker/u8:623:26:191
2777522670,2sleep20-21swapper/221:00:132
1895422670,2sleep218946-21ssh00:15:292
123722670,1sleep120765-21kworker/u8:222:25:291
123722670,1sleep120765-21kworker/u8:222:25:291
2373822660,1sleep221854-21kworker/u8:900:25:392
1602722660,1sleep112921-21kworker/u8:200:10:141
1095422660,2sleep28969-21kworker/u8:120:10:012
1095422660,2sleep28969-21kworker/u8:120:10:012
356122650,2sleep10-21swapper/119:45:441
216822650,1sleep21980-21kworker/u8:622:27:512
216822650,1sleep21980-21kworker/u8:622:27:502
1323922650,2sleep20-21swapper/220:15:282
1159022650,2sleep111588-21ssh00:00:251
2323122640,1sleep222188-21kworker/u8:220:45:322
1999722640,1sleep19395-21kworker/u8:021:55:411
1530022640,1sleep210383-21kworker/u8:500:07:502
2920922630,2sleep10-21swapper/119:25:321
2901122620,2sleep10-21swapper/121:03:211
1959822620,1sleep119535-21kworker/u8:300:16:451
1590722620,2sleep20-21swapper/221:46:282
1225722620,1sleep210378-21kworker/u8:000:00:422
911822610,2sleep10-21swapper/121:31:191
746522610,2sleep15844-21kworker/u8:1023:50:351
682322610,2sleep20-21swapper/221:27:102
3163322610,1sleep230530-21kworker/u8:1021:10:252
3080522610,1sleep130529-21kworker/u8:821:10:011
3080522610,1sleep130529-21kworker/u8:821:10:001
2678322610,2sleep10-21swapper/120:55:461
2608522610,1sleep122421-21kworker/u8:323:20:241
2481322610,1sleep123731-21kworker/u8:920:50:261
2481322610,1sleep123731-21kworker/u8:920:50:251
1298622610,2sleep112977-21ssh21:40:241
2922022600,2sleep20-21swapper/219:25:332
2693422600,1sleep121855-21kworker/u8:1000:34:141
2394322600,1sleep123731-21kworker/u8:920:49:131
1391422600,1sleep213418-21kworker/u8:5422:54:482
1391422600,1sleep213418-21kworker/u8:5422:54:482
419022590,1sleep229269-21kworker/u8:923:44:452
3158422590,1sleep131289-21kworker/u8:319:35:001
3158422590,1sleep131289-21kworker/u8:319:35:001
2419422590,1sleep121856-21kworker/u8:1100:26:541
2276822590,2sleep20-21swapper/223:13:422
1104022590,2sleep10-21swapper/120:10:121
362122580,2sleep13612-21ssh22:30:351
1995122580,1sleep113462-21kworker/u8:9823:06:041
2955722570,1sleep225361-21kworker/u8:622:15:442
835622560,2sleep20-21swapper/220:00:282
282722560,2sleep20-21swapper/221:19:342
2755022560,1sleep225-21ksoftirqd/219:20:302
967222550,2sleep19662-21ssh23:55:301
873622550,1sleep18616-21kworker/u8:622:41:491
820722550,2sleep20-21swapper/221:30:282
680222550,4sleep119-21ksoftirqd/119:55:331
517622550,1sleep229269-21kworker/u8:923:45:302
3265022550,2sleep20-21swapper/223:35:212
3018922550,1sleep228041-21kworker/u8:2419:30:152
3018922550,1sleep228041-21kworker/u8:2419:30:152
1962722550,3sleep119626-21memory20:35:261
1883722550,2sleep20-21swapper/221:54:572
1775022550,2sleep20-21swapper/200:13:452
1580522550,2sleep10-21swapper/121:46:001
493822540,1sleep132470-21kworker/u8:421:23:511
3135222540,2sleep20-21swapper/222:20:282
3099822540,7sleep225-21ksoftirqd/223:30:422
2941822540,1sleep129355-21kworker/u8:200:40:011
2476922540,10sleep119-21ksoftirqd/123:17:271
2208322540,2sleep20-21swapper/219:05:302
1412822540,2sleep10-21swapper/120:20:011
716322530,2sleep10-21swapper/121:28:491
3004122530,2sleep20-21swapper/221:05:322
3004122530,2sleep20-21swapper/221:05:312
514022510,2sleep12188-1kworker/u9:219:50:311
514022510,2sleep12188-1kworker/u9:219:50:311
3226822510,1sleep131291-21kworker/u8:519:35:251
2796122510,4sleep2241rcuc/200:35:272
2572122510,2sleep225646-21apt-get20:55:012
2572122510,2sleep225646-21apt-get20:55:012
1870322510,2sleep20-21swapper/220:32:282
615922500,1sleep25681-21kworker/u8:419:55:142
1561422500,2sleep10-21swapper/100:09:211
1542522500,2sleep10-21swapper/120:22:021
1542522500,2sleep10-21swapper/120:22:021
1042722500,2sleep20-21swapper/221:35:192
1042722500,2sleep20-21swapper/221:35:182
871222490,2sleep20-21swapper/222:41:422
1377822490,1sleep113395-21kworker/u8:3122:54:071
1377822490,1sleep113395-21kworker/u8:3122:54:071
1968922470,1sleep216017-21kworker/u8:621:55:352
2485222460,2sleep20-21swapper/219:12:372
2096422460,2sleep20-21swapper/220:40:042
2470822450,2sleep213045-1kworker/u9:022:05:402
1618922450,2sleep20-21swapper/220:25:212
1104022450,2sleep20-21swapper/222:47:082
2220822440,5sleep2251ksoftirqd/200:23:172
2227722430,1sleep117806-21kworker/u8:419:05:331
1969622430,2sleep20-21swapper/220:35:262
1655822410,4sleep1181rcuc/120:25:321
3165121420,2sleep30-21swapper/321:10:263
182792430,2sleep30-21swapper/320:30:363
27822400,2sleep30-21swapper/319:45:033
307422370,11sleep30-21swapper/321:09:473
307422370,11sleep30-21swapper/321:09:463
243682290,2sleep30-21swapper/323:15:403
216792290,2sleep30-21swapper/323:10:293
209232280,1sleep30-21swapper/323:10:003
107542280,2sleep30-21swapper/321:35:283
107542280,2sleep30-21swapper/321:35:273
275042270,2sleep30-21swapper/319:20:273
32042250,2sleep30-21swapper/322:30:203
276562250,2sleep30-21swapper/300:35:203
189112250,2sleep30-21swapper/300:15:263
24872240,2sleep30-21swapper/322:29:213
24872240,2sleep30-21swapper/322:29:203
175932240,2sleep30-21swapper/300:13:013
158072240,2sleep30-21swapper/322:58:033
65552230,2sleep30-21swapper/321:25:503
51352230,2sleep30-21swapper/322:35:043
250802230,2sleep30-21swapper/300:30:023
241692230,2sleep30-21swapper/322:05:203
217742230,2sleep30-21swapper/300:21:173
205332230,2sleep30-21swapper/321:56:073
203652230,2sleep30-21swapper/320:38:043
108142230,12sleep30-21swapper/323:59:063
72192220,2sleep30-21swapper/319:56:233
253882220,2sleep30-21swapper/320:51:563
253882220,2sleep30-21swapper/320:51:563
64312210,2sleep30-21swapper/323:49:453
22872210,2sleep30-21swapper/319:43:063
11492210,2sleep30-21swapper/323:36:183
106782210,10sleep30-21swapper/320:08:423
106782210,10sleep30-21swapper/320:08:423
296552200,2sleep30-21swapper/323:29:113
163622200,2sleep30-21swapper/321:48:463
153392200,2sleep30-21swapper/320:21:003
153392200,2sleep30-21swapper/320:21:003
79062190,5sleep3301rcuc/321:30:133
23256991910,7cyclictest22852sleep323:40:133
126542190,9sleep3301rcuc/320:15:133
83232180,7sleep3301rcuc/323:53:033
249042180,7sleep3301rcuc/319:13:203
90912170,7sleep3301rcuc/320:04:073
324872170,7sleep3301rcuc/322:23:463
301242171,2sleep30-21swapper/323:30:163
268562170,7sleep3301rcuc/323:21:353
261422170,7sleep3301rcuc/322:10:073
20542170,7sleep3301rcuc/321:15:533
184562170,7sleep3301rcuc/321:53:053
248252160,6sleep3301rcuc/300:29:583
2325699169,4cyclictest115812sleep300:00:243
227442160,6sleep3301rcuc/322:00:503
227442160,6sleep3301rcuc/322:00:503
139172160,6sleep3301rcuc/321:42:443
137172160,6sleep3301rcuc/322:53:493
137172160,6sleep3301rcuc/322:53:483
3822150,5sleep3301rcuc/319:36:113
31782150,5sleep3301rcuc/321:20:043
301692150,4sleep3301rcuc/319:30:043
301692150,4sleep3301rcuc/319:30:043
283512150,4sleep3301rcuc/321:00:293
267002150,5sleep3301rcuc/320:55:393
237372150,5sleep3301rcuc/320:46:383
177792150,5sleep3301rcuc/323:01:373
120492150,5sleep3301rcuc/320:10:433
109802150,5sleep3301rcuc/322:46:543
82342140,2sleep30-21swapper/322:40:333
55762140,4sleep30-21swapper/319:51:053
55762140,4sleep30-21swapper/319:51:053
298652140,4sleep3301rcuc/319:29:163
288992140,4sleep3301rcuc/322:15:223
2325699147,4cyclictest258622sleep319:15:303
2325699147,4cyclictest258622sleep319:15:303
210532140,3sleep30-21swapper/320:40:273
169982140,4sleep3301rcuc/320:26:383
143962140,4sleep3301rcuc/300:05:293
20581293,3sleep020583-21sh23:09:030
1961293,2sleep00-21swapper/022:26:530
1961293,2sleep00-21swapper/022:26:530
1424293,2sleep00-21swapper/023:37:290
13643293,2sleep00-21swapper/022:53:270
13643293,2sleep00-21swapper/022:53:260
13310293,2sleep00-21swapper/000:04:070
9363282,2sleep00-21swapper/021:32:320
8922282,2sleep00-21swapper/022:42:410
8503282,2sleep00-21swapper/023:53:570
7783283,2sleep00-21swapper/020:00:070
7297282,2sleep00-21swapper/019:57:180
6599281,2sleep00-21swapper/021:26:040
4327281,2sleep00-21swapper/022:32:200
4232283,2sleep00-21swapper/019:49:260
4185282,2sleep00-21swapper/023:44:440
389282,2sleep00-21swapper/019:36:170
32678282,2sleep00-21swapper/022:24:450
31276282,2sleep00-21swapper/023:31:100
30450282,2sleep00-21swapper/022:19:570
27949283,2sleep00-21swapper/022:13:550
27337282,2sleep00-21swapper/023:23:580
26423282,2sleep00-21swapper/000:31:490
25075282,2sleep00-21swapper/023:18:590
24416282,2sleep00-21swapper/000:27:590
23868282,2sleep00-21swapper/020:48:170
22852282,2sleep00-21swapper/023:14:090
22177281,2sleep00-21swapper/019:05:330
21280281,3sleep021285-21ssh21:59:430
2106282,2sleep00-21swapper/019:41:120
18260282,2sleep00-21swapper/021:52:070
17926282,2sleep00-21swapper/023:02:150
17371282,2sleep00-21swapper/000:11:580
15582282,2sleep00-21swapper/000:09:130
14623282,2sleep00-21swapper/021:45:060
11333282,2sleep00-21swapper/022:48:320
11332282,2sleep00-21swapper/021:36:100
11332282,2sleep00-21swapper/021:36:100
10533282,2sleep00-21swapper/020:06:510
10533282,2sleep00-21swapper/020:06:510
10459282,2sleep00-21swapper/023:57:270
6610272,2sleep00-21swapper/022:37:310
5771271,2sleep00-21swapper/019:53:240
5771271,2sleep00-21swapper/019:53:240
4582271,2sleep00-21swapper/021:22:060
30739272,2sleep00-21swapper/021:09:440
30739272,2sleep00-21swapper/021:09:440
29692271,2sleep00-21swapper/023:29:250
29657272,2sleep00-21swapper/019:26:350
28837272,2sleep00-21swapper/021:01:120
28070272,2sleep00-21swapper/019:21:540
27409272,2sleep00-21swapper/020:58:590
26385272,2sleep00-21swapper/019:16:390
26385272,2sleep00-21swapper/019:16:380
25405272,2sleep00-21swapper/020:52:110
25405272,2sleep00-21swapper/020:52:100
24777272,2sleep00-21swapper/019:11:410
23862271,2sleep00-21swapper/022:05:070
22259272,2sleep00-21swapper/020:43:260
21765271,2sleep00-21swapper/000:21:150
19485271,2sleep00-21swapper/000:16:170
17244272,2sleep00-21swapper/020:29:380
16184271,2sleep00-21swapper/022:59:540
15351272,2sleep00-21swapper/020:21:100
15351272,2sleep00-21swapper/020:21:100
13805271,2sleep00-21swapper/020:17:170
31257262,2sleep027929-21kworker/0:119:31:310
31257262,2sleep027929-21kworker/0:119:31:300
20224262,2sleep00-21swapper/020:36:250
17520262,2sleep00-21swapper/020:30:070
12128262,2sleep00-21swapper/020:11:410
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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