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2026-03-13 - 10:18
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot6.osadl.org (updated Fri Mar 13, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1049421660,3sleep21718999cyclictest23:38:022
1068911620,4ptp4l401ktimersoftd/319:57:453
560621450,4sleep01717799cyclictest22:27:260
560621450,4sleep01717799cyclictest22:27:260
2906321440,4sleep21718999cyclictest22:50:362
3702830,2sleep20-21swapper/223:27:382
27532760,2sleep00-21swapper/020:35:210
158752750,6sleep2311rcuc/219:55:262
1717799688,23cyclictest8723-21cut22:30:290
143332660,2sleep20-21swapper/200:46:552
1717799657,24cyclictest14026-21timerandwakeup23:40:420
1717799651,29cyclictest22448-21ssh23:16:400
1717799650,28cyclictest6436-21sed00:05:410
57872640,2sleep20-21swapper/200:05:322
24752640,2sleep00-21swapper/000:35:290
198802640,2sleep10-21swapper/123:15:161
1717799631,31cyclictest17438-21cpuspeed_turbos23:45:250
1717799631,22cyclictest18197-21ssh22:40:270
260012610,4sleep11718499cyclictest20:15:261
1717799610,25cyclictest14520-21sed23:10:110
315712600,4sleep01717799cyclictest21:35:260
1717799600,32cyclictest27822-21sed21:25:410
17184995948,6cyclictest25-21ksoftirqd/122:30:221
1717799590,25cyclictest11527-21cat00:45:140
1717799580,25cyclictest7727-21latency_hist21:55:100
321142570,1sleep00-21swapper/022:20:430
270432570,2sleep30-21swapper/301:00:293
1717799570,26cyclictest10093-21diskmemload22:20:020
1717799550,27cyclictest16993-21ls22:05:370
51012540,4sleep0111rcuc/001:10:300
322122540,3sleep10-21swapper/101:05:291
1717799540,31cyclictest10093-21diskmemload23:01:230
1717799540,22cyclictest0-21swapper/022:58:140
143291540,3getstats1719899cyclictest20:52:463
17198995319,10cyclictest41-21ksoftirqd/323:55:313
1717799531,32cyclictest233-21systemd-journal00:17:190
1717799531,25cyclictest29230-21latency_hist00:30:130
1717799531,25cyclictest29230-21latency_hist00:30:130
1717799530,25cyclictest10093-21diskmemload22:50:580
17198995212,8cyclictest41-21ksoftirqd/323:10:293
1717799511,24cyclictest10093-21diskmemload23:57:000
1717799510,29cyclictest1386-21/usr/sbin/munin20:30:310
1719899504,7cyclictest41-21ksoftirqd/301:20:143
1719899503,8cyclictest41-21ksoftirqd/323:20:273
1717799500,22cyclictest10093-21diskmemload22:45:410
1719899491,7cyclictest5081-21diskstats00:05:273
1717799490,26cyclictest3093-21latency_hist21:45:100
1719899487,7cyclictest41-21ksoftirqd/322:10:353
1719899483,8cyclictest41-21ksoftirqd/320:15:273
17198994819,6cyclictest41-21ksoftirqd/321:10:093
17198994819,10cyclictest41-21ksoftirqd/300:39:173
17198994818,9cyclictest41-21ksoftirqd/301:09:523
1717799480,28cyclictest8829-21irqrtprio21:55:280
1717799480,26cyclictest20691-21sh22:10:250
1719899476,8cyclictest41-21ksoftirqd/322:40:103
1719899476,8cyclictest41-21ksoftirqd/322:40:103
17198994741,3cyclictest391rcuc/323:40:413
1719899474,11cyclictest41-21ksoftirqd/322:25:233
1719899474,11cyclictest41-21ksoftirqd/322:25:233
17198994722,8cyclictest41-21ksoftirqd/300:18:233
17198994716,4cyclictest41-21ksoftirqd/300:35:033
17198994716,4cyclictest41-21ksoftirqd/300:35:033
1717799471,25cyclictest10093-21diskmemload00:31:210
1717799471,25cyclictest10093-21diskmemload00:31:210
1717799470,25cyclictest21290-21latency_hist00:55:140
1719899467,8cyclictest41-21ksoftirqd/322:00:343
1719899466,8cyclictest41-21ksoftirqd/323:45:253
1719899466,8cyclictest41-21ksoftirqd/322:54:443
1719899466,10cyclictest41-21ksoftirqd/323:30:403
1719899464,8cyclictest41-21ksoftirqd/301:10:343
17198994635,9cyclictest391rcuc/322:21:513
17198994622,9cyclictest41-21ksoftirqd/322:35:103
17198994621,8cyclictest41-21ksoftirqd/323:17:453
17198994614,9cyclictest41-21ksoftirqd/322:19:493
1719899456,8cyclictest6954-21basename21:50:333
1719899456,8cyclictest41-21ksoftirqd/321:50:093
1719899456,7cyclictest41-21ksoftirqd/323:25:243
1719899456,7cyclictest41-21ksoftirqd/321:15:363
1719899456,7cyclictest41-21ksoftirqd/300:40:423
1719899456,7cyclictest41-21ksoftirqd/300:10:303
1719899454,7cyclictest41-21ksoftirqd/301:20:263
17198994539,3cyclictest391rcuc/322:55:333
17198994520,8cyclictest41-21ksoftirqd/323:54:033
1719899451,6cyclictest29054-21munin-run00:30:133
1719899451,6cyclictest29054-21munin-run00:30:133
17198994513,9cyclictest41-21ksoftirqd/322:08:043
1717799450,21cyclictest0-21swapper/023:10:200
1719899446,8cyclictest41-21ksoftirqd/320:25:173
1719899446,8cyclictest41-21ksoftirqd/300:00:253
1719899446,8cyclictest18296-21ssh00:50:413
1719899446,7cyclictest41-21ksoftirqd/322:41:383
1719899445,7cyclictest41-21ksoftirqd/323:05:123
1719899442,7cyclictest41-21ksoftirqd/322:45:403
17198994420,9cyclictest41-21ksoftirqd/320:05:333
17198994418,9cyclictest41-21ksoftirqd/300:22:233
1719899441,6cyclictest394-21fschecks_count20:30:233
17198994413,9cyclictest41-21ksoftirqd/300:46:253
1719899440,7cyclictest20442-21ssh01:25:363
1717799442,33cyclictest31831-21apt-get01:05:260
1717799440,25cyclictest19738-21ssh01:25:310
1717799440,21cyclictest0-21swapper/023:34:440
1719899436,8cyclictest41-21ksoftirqd/321:30:303
1719899436,8cyclictest41-21ksoftirqd/321:00:273
1719899436,7cyclictest41-21ksoftirqd/300:55:343
1719899435,9cyclictest41-21ksoftirqd/320:45:293
1719899431,5cyclictest401ktimersoftd/323:05:313
17198994313,4cyclictest41-21ksoftirqd/323:38:363
1717799430,23cyclictest31699-21ssh23:25:420
1719899427,7cyclictest41-21ksoftirqd/320:10:243
1719899426,7cyclictest41-21ksoftirqd/321:20:233
1719899426,7cyclictest41-21ksoftirqd/320:20:213
1719899425,7cyclictest41-21ksoftirqd/321:55:253
1719899425,7cyclictest41-21ksoftirqd/320:45:083
1719899424,8cyclictest41-21ksoftirqd/321:10:313
1719899424,8cyclictest41-21ksoftirqd/320:00:233
17198994220,9cyclictest41-21ksoftirqd/321:35:383
1717799421,21cyclictest10093-21diskmemload23:51:090
1719899416,8cyclictest41-21ksoftirqd/321:40:233
1719899416,7cyclictest41-21ksoftirqd/321:25:273
1717799412,31cyclictest24942-21apt-get23:20:230
1717799411,32cyclictest27596-21apt-get20:20:200
1719899405,7cyclictest41-21ksoftirqd/320:55:193
17198994036,2cyclictest391rcuc/320:35:353
17184994031,5cyclictest25-21ksoftirqd/101:15:291
1717799401,20cyclictest10093-21diskmemload22:39:460
1717799401,20cyclictest10093-21diskmemload22:39:460
1717799400,25cyclictest12007-21latency_hist23:40:130
1717799393,28cyclictest25229-21apt-get20:15:190
17177993916,20cyclictest10093-21diskmemload00:47:190
1717799391,21cyclictest14401-21apt-get01:20:270
1717799390,23cyclictest0-21swapper/000:55:370
1717799390,22cyclictest10093-21diskmemload22:04:550
1717799382,31cyclictest0-21swapper/021:00:180
1717799382,30cyclictest19118-21apt-get21:10:220
17177993815,20cyclictest10093-21diskmemload00:04:350
1717799381,30cyclictest23849-21apt-get21:20:220
17184993717,4cyclictest25-21ksoftirqd/100:00:401
1717799371,33cyclictest4221-21cat21:45:290
17177993711,22cyclictest9744-21cpuspeed_turbos20:50:200
1717799370,22cyclictest0-21swapper/001:05:140
1717799370,22cyclictest0-21swapper/000:13:260
1717799362,29cyclictest0-21swapper/020:05:190
1717799362,27cyclictest22860-21apt-get20:10:170
17184993526,4cyclictest25-21ksoftirqd/120:10:171
17184993522,3cyclictest25-21ksoftirqd/123:45:291
1717799353,26cyclictest30173-21apt-get20:25:180
1717799352,29cyclictest0-21swapper/021:05:200
1717799352,26cyclictest9511-21apt-get01:15:290
1717799351,30cyclictest13324-21python20:55:320
17189993419,12cyclictest33-21ksoftirqd/201:05:142
1718499345,3cyclictest121rcu_preempt00:45:431
17184993429,3cyclictest25-21ksoftirqd/122:15:311
17184993428,3cyclictest25-21ksoftirqd/123:10:271
17184993428,3cyclictest25-21ksoftirqd/100:40:131
17184993428,3cyclictest25-21ksoftirqd/100:35:131
17184993428,3cyclictest25-21ksoftirqd/100:35:131
17184993427,4cyclictest25-21ksoftirqd/120:20:211
1717799340,24cyclictest8639-21cat20:45:360
17189993328,3cyclictest33-21ksoftirqd/200:35:132
17189993328,3cyclictest33-21ksoftirqd/200:35:132
17189993321,3cyclictest33-21ksoftirqd/201:15:472
17184993328,3cyclictest25-21ksoftirqd/121:30:091
17184993328,3cyclictest25-21ksoftirqd/100:55:291
17184993328,3cyclictest25-21ksoftirqd/100:20:411
17184993322,6cyclictest25-21ksoftirqd/123:20:231
1717799330,30cyclictest23548-21latency_hist21:20:090
1698023313,9sleep00-21swapper/019:58:560
1718999320,7cyclictest17640-21cut00:50:322
17184993227,3cyclictest25-21ksoftirqd/123:35:121
17184993227,3cyclictest25-21ksoftirqd/122:30:101
17184993227,3cyclictest25-21ksoftirqd/122:30:101
17184993227,3cyclictest25-21ksoftirqd/100:25:311
17184993227,3cyclictest25-21ksoftirqd/100:25:311
17184993226,4cyclictest25-21ksoftirqd/122:10:261
17184993226,3cyclictest25-21ksoftirqd/120:45:081
1717799328,20cyclictest6463-21unixbench_multi20:40:360
1717799321,28cyclictest19516-21/usr/sbin/munin00:20:300
1717799321,27cyclictest28905-21fschecks_count21:30:230
97682310,1sleep20-21swapper/222:30:452
17189993126,3cyclictest33-21ksoftirqd/222:15:092
17189993126,3cyclictest33-21ksoftirqd/201:10:142
17189993125,3cyclictest33-21ksoftirqd/222:20:292
17184993126,3cyclictest25-21ksoftirqd/123:40:121
17184993126,3cyclictest25-21ksoftirqd/122:25:101
17184993125,4cyclictest47050irq/101-ens3-Tx00:15:121
17184993125,3cyclictest25-21ksoftirqd/123:30:121
17184993125,3cyclictest25-21ksoftirqd/122:55:111
17184993125,3cyclictest25-21ksoftirqd/120:30:211
17184993121,5cyclictest25-21ksoftirqd/122:35:211
17184993121,5cyclictest25-21ksoftirqd/122:35:211
17184993119,10cyclictest25-21ksoftirqd/122:00:401
1717799319,19cyclictest1055-21runrttasks20:03:350
1718999302,7cyclictest121rcu_preempt21:35:292
17189993024,3cyclictest33-21ksoftirqd/222:35:392
17189993024,3cyclictest33-21ksoftirqd/222:35:392
17189993019,5cyclictest33-21ksoftirqd/223:55:242
17184993025,3cyclictest25-21ksoftirqd/123:00:111
17184993025,3cyclictest25-21ksoftirqd/122:00:101
17184993025,3cyclictest25-21ksoftirqd/121:00:251
17184993025,3cyclictest25-21ksoftirqd/120:50:181
17184993025,3cyclictest25-21ksoftirqd/101:20:281
17184993025,3cyclictest25-21ksoftirqd/100:05:261
17184993024,4cyclictest25-21ksoftirqd/120:05:191
17184993024,3cyclictest25-21ksoftirqd/123:50:311
17184993024,3cyclictest25-21ksoftirqd/123:40:271
17184993024,3cyclictest25-21ksoftirqd/121:30:241
17184993024,3cyclictest25-21ksoftirqd/121:05:241
17184993024,3cyclictest25-21ksoftirqd/120:45:251
17184993024,3cyclictest25-21ksoftirqd/101:25:321
17184993024,3cyclictest25-21ksoftirqd/100:40:261
17184993024,3cyclictest25-21ksoftirqd/100:15:431
17184993023,4cyclictest25-21ksoftirqd/122:45:241
17184993019,6cyclictest25-21ksoftirqd/122:05:211
152772306,10sleep10-21swapper/119:55:211
17189992924,3cyclictest33-21ksoftirqd/223:10:112
17189992924,3cyclictest33-21ksoftirqd/222:10:092
17189992923,3cyclictest33-21ksoftirqd/223:35:122
17189992923,3cyclictest33-21ksoftirqd/220:10:062
17184992924,3cyclictest25-21ksoftirqd/123:55:251
17184992924,3cyclictest25-21ksoftirqd/121:35:251
17184992923,3cyclictest25-21ksoftirqd/122:40:291
17184992923,3cyclictest25-21ksoftirqd/121:20:261
17184992923,3cyclictest25-21ksoftirqd/120:30:071
17184992923,3cyclictest25-21ksoftirqd/101:15:151
17184992923,3cyclictest25-21ksoftirqd/101:00:271
17189992823,3cyclictest33-21ksoftirqd/223:45:422
17189992823,3cyclictest33-21ksoftirqd/223:05:112
17189992823,3cyclictest33-21ksoftirqd/222:30:102
17189992823,3cyclictest33-21ksoftirqd/222:30:102
17189992823,3cyclictest33-21ksoftirqd/221:45:262
17189992823,3cyclictest33-21ksoftirqd/200:55:342
17189992822,3cyclictest33-21ksoftirqd/223:15:312
17189992822,3cyclictest33-21ksoftirqd/223:15:112
17189992822,3cyclictest33-21ksoftirqd/222:15:302
17189992822,3cyclictest33-21ksoftirqd/221:35:092
17189992822,3cyclictest33-21ksoftirqd/221:20:282
17189992822,3cyclictest33-21ksoftirqd/221:10:082
17189992822,3cyclictest33-21ksoftirqd/201:15:152
17189992821,4cyclictest33-21ksoftirqd/220:25:072
17184992823,3cyclictest25-21ksoftirqd/121:40:391
17184992823,3cyclictest25-21ksoftirqd/120:05:081
17184992822,3cyclictest25-21ksoftirqd/121:45:291
17184992821,4cyclictest25-21ksoftirqd/100:50:321
17189992722,3cyclictest33-21ksoftirqd/223:20:312
17189992721,3cyclictest33-21ksoftirqd/222:55:282
17189992720,4cyclictest33-21ksoftirqd/220:16:082
17184992722,3cyclictest25-21ksoftirqd/121:20:091
1718499270,6cyclictest6516-21irqrtprio21:50:281
17189992621,3cyclictest33-21ksoftirqd/221:15:282
17189992621,3cyclictest33-21ksoftirqd/220:50:082
17189992620,3cyclictest33-21ksoftirqd/223:50:282
17189992620,3cyclictest33-21ksoftirqd/220:33:402
17189992620,3cyclictest33-21ksoftirqd/201:20:342
17189992620,3cyclictest33-21ksoftirqd/200:35:252
17189992619,4cyclictest33-21ksoftirqd/221:42:592
17189992619,4cyclictest33-21ksoftirqd/220:41:372
17189992614,11cyclictest33-21ksoftirqd/222:43:492
1718999261,3cyclictest121rcu_preempt00:40:312
17184992621,3cyclictest25-21ksoftirqd/123:05:231
17184992621,3cyclictest25-21ksoftirqd/120:55:221
17184992620,3cyclictest25-21ksoftirqd/123:00:311
17184992620,3cyclictest25-21ksoftirqd/121:10:291
1718999259,4cyclictest22363-21sh00:22:152
17189992520,3cyclictest33-21ksoftirqd/221:50:282
17189992520,3cyclictest33-21ksoftirqd/220:27:422
17189992520,3cyclictest33-21ksoftirqd/201:25:322
17189992519,3cyclictest33-21ksoftirqd/220:58:152
17189992519,3cyclictest33-21ksoftirqd/220:11:272
17189992519,3cyclictest33-21ksoftirqd/200:01:592
17189992518,4cyclictest33-21ksoftirqd/221:29:142
17189992518,4cyclictest33-21ksoftirqd/200:27:402
17189992518,4cyclictest33-21ksoftirqd/200:27:402
17184992520,3cyclictest25-21ksoftirqd/120:40:071
17189992419,3cyclictest33-21ksoftirqd/223:40:272
17189992419,3cyclictest33-21ksoftirqd/222:45:282
17189992419,3cyclictest33-21ksoftirqd/220:00:242
17189992419,3cyclictest33-21ksoftirqd/200:10:262
17189992418,3cyclictest33-21ksoftirqd/221:55:212
17189992418,3cyclictest33-21ksoftirqd/221:00:232
17189992418,3cyclictest33-21ksoftirqd/200:15:302
17189992417,4cyclictest33-21ksoftirqd/221:14:492
17189992318,3cyclictest33-21ksoftirqd/220:35:202
17189992317,3cyclictest33-21ksoftirqd/220:54:412
113362220,18sleep211544-21sed22:00:312
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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