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2025-12-22 - 10:54
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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 Mon Dec 22, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1049324190,11sleep20-21swapper/219:10:312
2319721700,5sleep31231999cyclictest21:50:363
1068911060,4ptp4l401ktimersoftd/319:14:333
101362950,4sleep10-21swapper/119:10:261
57132650,2sleep20-21swapper/221:15:312
12308995751,3cyclictest25-21ksoftirqd/120:30:271
12308995649,4cyclictest25-21ksoftirqd/100:25:331
12308995549,3cyclictest25-21ksoftirqd/121:05:291
12308995447,4cyclictest25-21ksoftirqd/123:00:321
12308995346,4cyclictest25-21ksoftirqd/119:35:261
12308995346,3cyclictest25-21ksoftirqd/119:55:251
12319994723,9cyclictest41-21ksoftirqd/323:25:173
12308994733,3cyclictest25-21ksoftirqd/121:40:151
1231999453,5cyclictest0-21swapper/300:35:393
1231999447,6cyclictest41-21ksoftirqd/322:45:313
1231999446,6cyclictest41-21ksoftirqd/320:20:363
1231999437,6cyclictest41-21ksoftirqd/319:45:353
1230899436,3cyclictest25-21ksoftirqd/100:00:351
12308994318,4cyclictest25-21ksoftirqd/100:15:191
1231999428,7cyclictest41-21ksoftirqd/323:40:413
12308994228,3cyclictest25-21ksoftirqd/123:50:451
12319994117,9cyclictest41-21ksoftirqd/300:05:343
12308994124,6cyclictest25-21ksoftirqd/122:00:281
106891410,1ptp4l401ktimersoftd/321:10:343
1231999406,5cyclictest41-21ksoftirqd/322:52:423
1231999404,5cyclictest0-21swapper/321:15:373
1231999402,6cyclictest41-21ksoftirqd/321:45:453
1231999402,5cyclictest41-21ksoftirqd/320:40:323
12319994013,9cyclictest41-21ksoftirqd/320:00:283
1230899409,4cyclictest25-21ksoftirqd/100:30:341
1230899407,8cyclictest25-21ksoftirqd/123:40:391
12308994035,3cyclictest25-21ksoftirqd/100:10:191
12308994017,4cyclictest25-21ksoftirqd/120:00:361
12308994016,4cyclictest25-21ksoftirqd/123:30:181
106891400,0ptp4l401ktimersoftd/323:20:183
1231999394,8cyclictest41-21ksoftirqd/321:00:403
1231999394,6cyclictest41-21ksoftirqd/319:15:313
12319993912,10cyclictest41-21ksoftirqd/322:00:363
12308993933,3cyclictest25-21ksoftirqd/119:20:131
12308993931,4cyclictest25-21ksoftirqd/122:45:301
12308993926,6cyclictest25-21ksoftirqd/122:25:171
12308993916,4cyclictest25-21ksoftirqd/120:20:371
12308993915,8cyclictest25-21ksoftirqd/121:00:361
12308993915,4cyclictest25-21ksoftirqd/120:10:321
1231999385,3cyclictest0-21swapper/323:25:313
1231999384,6cyclictest41-21ksoftirqd/319:25:083
12319993816,9cyclictest41-21ksoftirqd/321:25:283
12319993812,10cyclictest41-21ksoftirqd/320:25:363
1230899389,3cyclictest25-21ksoftirqd/123:10:351
12308993832,3cyclictest25-21ksoftirqd/122:20:171
12308993824,3cyclictest25-21ksoftirqd/120:05:351
12308993816,7cyclictest25-21ksoftirqd/100:35:391
12308993815,4cyclictest25-21ksoftirqd/122:05:391
12308993815,4cyclictest25-21ksoftirqd/122:05:391
1231999376,7cyclictest41-21ksoftirqd/319:30:313
1231999375,7cyclictest41-21ksoftirqd/322:20:423
1231999373,5cyclictest0-21swapper/323:07:393
1230899377,9cyclictest25-21ksoftirqd/123:00:171
1230899377,9cyclictest25-21ksoftirqd/100:25:201
1230899376,9cyclictest25-21ksoftirqd/122:55:181
1230899375,8cyclictest25-21ksoftirqd/123:20:351
1230899373,3cyclictest25-21ksoftirqd/121:40:381
12308993731,3cyclictest25-21ksoftirqd/119:20:321
12308993730,4cyclictest25-21ksoftirqd/123:05:411
12308993727,3cyclictest25-21ksoftirqd/122:30:391
12308993726,3cyclictest25-21ksoftirqd/121:50:351
12308993724,3cyclictest25-21ksoftirqd/122:40:481
12308993714,7cyclictest25-21ksoftirqd/100:15:391
12308993713,4cyclictest25-21ksoftirqd/119:40:341
106891370,1ptp4l401ktimersoftd/323:04:493
106891370,1ptp4l401ktimersoftd/322:55:253
106891370,1ptp4l401ktimersoftd/321:55:413
1231999366,4cyclictest41-21ksoftirqd/321:10:163
1231999363,7cyclictest41-21ksoftirqd/300:00:373
12319993630,3cyclictest41-21ksoftirqd/320:10:303
1230899364,3cyclictest121rcu_preempt21:30:301
12308993630,3cyclictest25-21ksoftirqd/100:45:201
12308993624,9cyclictest25-21ksoftirqd/123:55:391
12308993624,9cyclictest25-21ksoftirqd/123:55:391
1230899362,3cyclictest25-21ksoftirqd/122:10:361
1230899362,3cyclictest25-21ksoftirqd/122:10:361
12308993622,11cyclictest25-21ksoftirqd/120:40:321
12308993621,3cyclictest25-21ksoftirqd/123:35:351
106891360,1ptp4l401ktimersoftd/319:43:363
106891360,1ptp4l401ktimersoftd/300:35:153
1231999357,7cyclictest41-21ksoftirqd/321:40:153
1231999355,7cyclictest41-21ksoftirqd/323:35:323
1231999355,7cyclictest41-21ksoftirqd/319:50:363
1231999354,7cyclictest41-21ksoftirqd/321:30:383
1231999353,5cyclictest41-21ksoftirqd/323:55:363
1231999353,5cyclictest41-21ksoftirqd/323:55:363
12319993529,3cyclictest41-21ksoftirqd/322:20:173
1231999352,4cyclictest41-21ksoftirqd/322:36:563
1230899354,8cyclictest25-21ksoftirqd/121:15:331
12308993530,3cyclictest25-21ksoftirqd/123:45:361
12308993530,3cyclictest25-21ksoftirqd/121:25:151
12308993529,3cyclictest25-21ksoftirqd/123:15:411
12308993529,3cyclictest25-21ksoftirqd/121:45:341
12308993529,3cyclictest25-21ksoftirqd/120:25:301
12308993528,4cyclictest25-21ksoftirqd/119:50:291
12308993528,3cyclictest25-21ksoftirqd/120:35:311
12308993526,3cyclictest25-21ksoftirqd/121:10:361
1230899351,4cyclictest121rcu_preempt19:45:311
12308993512,4cyclictest25-21ksoftirqd/120:15:381
12308993512,4cyclictest25-21ksoftirqd/120:15:381
106891350,0ptp4l401ktimersoftd/319:58:333
1231999346,7cyclictest41-21ksoftirqd/320:15:323
1231999346,7cyclictest41-21ksoftirqd/320:15:323
1231999345,7cyclictest41-21ksoftirqd/323:45:413
1231999345,7cyclictest41-21ksoftirqd/323:34:153
1231999344,7cyclictest41-21ksoftirqd/322:25:483
1231999344,7cyclictest41-21ksoftirqd/300:10:203
12319993429,3cyclictest41-21ksoftirqd/300:20:423
1231999340,7cyclictest41-21ksoftirqd/320:35:333
1231999340,5cyclictest0-21swapper/320:50:553
1230899345,8cyclictest25-21ksoftirqd/121:00:151
12308993428,3cyclictest25-21ksoftirqd/121:25:301
12308993428,3cyclictest25-21ksoftirqd/120:50:441
12308993425,3cyclictest25-21ksoftirqd/119:25:351
12302993429,3cyclictest9-21ksoftirqd/000:05:190
1186623412,12sleep09-21ksoftirqd/019:10:540
1231999336,7cyclictest41-21ksoftirqd/323:10:363
1231999335,7cyclictest41-21ksoftirqd/300:40:343
1231999333,6cyclictest41-21ksoftirqd/321:20:273
12319993329,2cyclictest391rcuc/320:55:403
12319993328,3cyclictest391rcuc/320:30:283
12319993327,4cyclictest41-21ksoftirqd/320:45:433
1230899338,7cyclictest25-21ksoftirqd/122:35:301
12308993327,3cyclictest25-21ksoftirqd/123:30:441
12308993327,3cyclictest25-21ksoftirqd/122:25:471
12302993327,3cyclictest9-21ksoftirqd/022:05:160
1231999327,9cyclictest41-21ksoftirqd/320:05:413
1231999325,7cyclictest41-21ksoftirqd/323:50:443
12319993226,3cyclictest41-21ksoftirqd/322:10:163
12319993226,3cyclictest41-21ksoftirqd/322:10:163
12319993226,3cyclictest41-21ksoftirqd/319:25:413
1230899329,4cyclictest25-21ksoftirqd/119:30:261
1230899323,3cyclictest121rcu_preempt21:55:311
12308993226,3cyclictest25-21ksoftirqd/120:45:291
12302993226,3cyclictest9-21ksoftirqd/022:25:160
202622310,1sleep20-21swapper/200:00:392
1231999315,6cyclictest41-21ksoftirqd/300:15:423
12319993127,2cyclictest391rcuc/300:26:423
12313993125,3cyclictest33-21ksoftirqd/221:50:292
106891310,1ptp4l7705-21kworker/3:221:45:043
12319993024,4cyclictest41-21ksoftirqd/322:30:353
12302993025,3cyclictest9-21ksoftirqd/023:55:390
12302993025,3cyclictest9-21ksoftirqd/023:55:390
1231999290,5cyclictest0-21swapper/322:13:033
1231999290,5cyclictest0-21swapper/322:13:033
12302992924,3cyclictest9-21ksoftirqd/000:25:190
1230299292,3cyclictest131rcu_sched19:20:130
12302992923,3cyclictest9-21ksoftirqd/019:55:280
1231999284,6cyclictest41-21ksoftirqd/319:39:373
12302992823,3cyclictest9-21ksoftirqd/023:45:180
12302992823,3cyclictest9-21ksoftirqd/019:25:320
12302992822,3cyclictest9-21ksoftirqd/022:25:310
12302992822,3cyclictest9-21ksoftirqd/019:50:320
1231999271,6cyclictest41-21ksoftirqd/322:40:363
12313992722,3cyclictest33-21ksoftirqd/222:06:242
12313992722,3cyclictest33-21ksoftirqd/222:06:242
12313992722,3cyclictest33-21ksoftirqd/221:25:332
12313992722,3cyclictest33-21ksoftirqd/200:20:512
12313992720,4cyclictest33-21ksoftirqd/222:41:542
12313992720,4cyclictest33-21ksoftirqd/222:31:582
12313992720,4cyclictest33-21ksoftirqd/221:21:372
1230299275,5cyclictest1055-21runrttasks19:44:260
12302992722,3cyclictest9-21ksoftirqd/023:25:360
12302992722,3cyclictest9-21ksoftirqd/023:00:380
12302992722,3cyclictest9-21ksoftirqd/021:20:160
12302992722,3cyclictest9-21ksoftirqd/020:10:310
12302992722,3cyclictest9-21ksoftirqd/020:00:330
12302992721,3cyclictest9-21ksoftirqd/019:20:170
12302992720,4cyclictest9-21ksoftirqd/023:07:050
12302992720,4cyclictest9-21ksoftirqd/022:18:270
12302992720,4cyclictest9-21ksoftirqd/000:18:030
12313992620,4cyclictest33-21ksoftirqd/219:19:532
12313992620,3cyclictest33-21ksoftirqd/223:08:472
12313992620,3cyclictest33-21ksoftirqd/222:28:192
12313992619,4cyclictest33-21ksoftirqd/222:14:082
12313992619,4cyclictest33-21ksoftirqd/222:14:082
12302992621,3cyclictest9-21ksoftirqd/021:55:350
12302992621,3cyclictest9-21ksoftirqd/019:45:310
12302992620,4cyclictest9-21ksoftirqd/000:25:400
12302992620,3cyclictest9-21ksoftirqd/021:26:000
12302992620,3cyclictest9-21ksoftirqd/020:54:330
12302992620,3cyclictest9-21ksoftirqd/020:42:210
12302992620,3cyclictest9-21ksoftirqd/000:05:340
12302992619,4cyclictest9-21ksoftirqd/023:39:410
12302992619,4cyclictest9-21ksoftirqd/021:25:150
12302992619,4cyclictest9-21ksoftirqd/020:58:220
12302992619,4cyclictest9-21ksoftirqd/019:31:510
12302992619,4cyclictest9-21ksoftirqd/000:12:490
1230299260,18cyclictest30909-21head23:15:360
12313992520,3cyclictest33-21ksoftirqd/223:47:182
12313992519,4cyclictest33-21ksoftirqd/223:29:512
12313992519,4cyclictest33-21ksoftirqd/222:52:422
12313992519,4cyclictest33-21ksoftirqd/219:44:052
12313992519,4cyclictest33-21ksoftirqd/200:07:412
12313992519,3cyclictest33-21ksoftirqd/223:00:252
12313992519,3cyclictest33-21ksoftirqd/222:39:522
12313992519,3cyclictest33-21ksoftirqd/220:41:362
12313992519,3cyclictest33-21ksoftirqd/200:38:102
12313992518,5cyclictest33-21ksoftirqd/222:59:362
12313992518,4cyclictest33-21ksoftirqd/223:53:362
12313992518,4cyclictest33-21ksoftirqd/219:50:062
12302992520,3cyclictest9-21ksoftirqd/021:10:300
12302992520,3cyclictest9-21ksoftirqd/021:00:360
12302992520,3cyclictest9-21ksoftirqd/000:35:410
12302992519,4cyclictest9-21ksoftirqd/023:45:380
12302992519,3cyclictest9-21ksoftirqd/022:58:220
12302992519,3cyclictest9-21ksoftirqd/022:50:360
12302992519,3cyclictest9-21ksoftirqd/022:41:440
12302992518,4cyclictest9-21ksoftirqd/022:39:270
12313992418,4cyclictest33-21ksoftirqd/220:37:492
12313992418,4cyclictest33-21ksoftirqd/220:02:402
12313992418,3cyclictest33-21ksoftirqd/223:58:162
12313992418,3cyclictest33-21ksoftirqd/223:58:162
12313992418,3cyclictest33-21ksoftirqd/223:38:012
12313992418,3cyclictest33-21ksoftirqd/223:15:082
12313992418,3cyclictest33-21ksoftirqd/221:47:012
12313992418,3cyclictest33-21ksoftirqd/221:03:252
12313992418,3cyclictest33-21ksoftirqd/220:56:262
12313992418,3cyclictest33-21ksoftirqd/220:18:162
12313992418,3cyclictest33-21ksoftirqd/220:18:162
12313992418,3cyclictest33-21ksoftirqd/200:16:142
12313992417,4cyclictest33-21ksoftirqd/223:18:112
12313992417,4cyclictest33-21ksoftirqd/222:16:492
12313992417,4cyclictest33-21ksoftirqd/221:57:502
12313992417,4cyclictest33-21ksoftirqd/200:32:342
1231399240,21cyclictest10649-21irqrtprio23:40:402
12302992419,3cyclictest9-21ksoftirqd/021:30:360
12302992418,3cyclictest9-21ksoftirqd/023:21:260
12302992418,3cyclictest9-21ksoftirqd/022:30:310
12302992418,3cyclictest9-21ksoftirqd/022:08:280
12302992418,3cyclictest9-21ksoftirqd/022:08:280
12302992418,3cyclictest9-21ksoftirqd/021:05:300
12302992418,3cyclictest9-21ksoftirqd/020:30:000
12302992417,4cyclictest9-21ksoftirqd/021:53:220
12302992417,4cyclictest9-21ksoftirqd/021:39:210
12302992417,4cyclictest9-21ksoftirqd/020:23:180
12302992417,4cyclictest9-21ksoftirqd/020:19:560
12302992417,4cyclictest9-21ksoftirqd/020:19:560
12302992417,4cyclictest9-21ksoftirqd/000:42:440
12313992317,4cyclictest33-21ksoftirqd/200:26:522
12313992317,3cyclictest33-21ksoftirqd/220:27:192
12313992317,3cyclictest33-21ksoftirqd/200:41:092
12313992316,4cyclictest5199-21sh21:15:152
12313992316,4cyclictest33-21ksoftirqd/220:51:542
1231399230,3cyclictest121rcu_preempt19:55:272
12302992317,3cyclictest9-21ksoftirqd/022:50:170
12302992317,3cyclictest9-21ksoftirqd/021:45:450
12302992317,3cyclictest9-21ksoftirqd/020:32:290
12302992317,3cyclictest9-21ksoftirqd/020:07:510
12313992217,3cyclictest33-21ksoftirqd/221:30:302
12313992216,3cyclictest33-21ksoftirqd/219:22:082
12313992214,6cyclictest33-21ksoftirqd/219:35:442
12302992217,3cyclictest9-21ksoftirqd/019:35:290
12302992216,3cyclictest9-21ksoftirqd/023:50:380
12302992216,3cyclictest9-21ksoftirqd/023:11:110
12302992215,4cyclictest9-21ksoftirqd/021:42:590
12302992215,4cyclictest19402-21tail20:35:290
12313992116,3cyclictest33-21ksoftirqd/219:50:202
12313992115,3cyclictest33-21ksoftirqd/222:49:242
12313992114,4cyclictest33-21ksoftirqd/221:06:312
12313992114,4cyclictest33-21ksoftirqd/220:48:372
12302992115,3cyclictest9-21ksoftirqd/000:33:570
12302992114,4cyclictest9-21ksoftirqd/022:11:450
12302992114,4cyclictest9-21ksoftirqd/022:11:450
12313992015,3cyclictest33-21ksoftirqd/223:25:172
12313992015,3cyclictest33-21ksoftirqd/222:20:392
12313992014,4cyclictest33-21ksoftirqd/220:33:392
12313992014,3cyclictest33-21ksoftirqd/221:40:382
12313992014,3cyclictest33-21ksoftirqd/220:20:252
12313992013,4cyclictest6583-21latency_hist20:10:142
12313992013,4cyclictest33-21ksoftirqd/221:37:232
12302992013,5cyclictest9-21ksoftirqd/020:50:140
12302992013,4cyclictest6593-21cat23:30:460
12313991913,3cyclictest21817-21timerandwakeup19:30:442
12313991912,4cyclictest27376-21if_enp1s022:00:322
12313991812,4cyclictest7552-21cut20:10:312
12313991812,3cyclictest26419-21cut00:15:192
12313991812,3cyclictest18183-21expr19:25:272
12313991811,4cyclictest5271-21expr23:30:312
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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