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2025-10-19 - 01:19
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of all highest latencies:
System rackdslot3.osadl.org (updated Sat Oct 18, 2025 12:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
178122239172,23sleep00-21swapper/007:08:010
177222226163,52sleep20-21swapper/207:06:512
179582206171,23sleep30-21swapper/307:09:533
176942204170,23sleep10-21swapper/107:06:311
136991820,1ptp4l0-21swapper/308:25:143
136991760,1ptp4l391rcuc/308:40:253
136991760,1ptp4l0-21swapper/309:52:233
136991760,0ptp4l391rcuc/310:50:203
136991760,0ptp4l391rcuc/308:00:003
136991740,0ptp4l391rcuc/309:00:273
136991730,1ptp4l391rcuc/307:40:013
136991730,0ptp4l391rcuc/311:55:003
136991690,1ptp4l391rcuc/309:15:203
136991650,1ptp4l0-21swapper/312:26:373
49162640,3sleep3391rcuc/310:05:003
265712600,3sleep026576-21cpuspeed_turbos08:35:140
136991570,1ptp4l0-21swapper/309:57:263
136991570,1ptp4l0-21swapper/307:43:353
3292560,2sleep20-21swapper/207:40:162
253952550,2sleep30-21swapper/309:40:013
136991550,1ptp4l0-21swapper/312:21:483
136991550,1ptp4l0-21swapper/311:48:393
136991550,1ptp4l0-21swapper/309:21:253
136991550,1ptp4l0-21swapper/309:21:253
136991540,6ptp4l1826699cyclictest12:00:283
136991530,6ptp4l1826699cyclictest10:55:213
136991530,2ptp4l1826699cyclictest08:20:043
136991530,1ptp4l0-21swapper/308:07:093
12242530,2sleep0101ktimersoftd/012:10:220
213912520,3sleep021395-21irqrtprio07:15:200
136991520,6ptp4l1826699cyclictest08:10:253
136991520,1ptp4l0-21swapper/311:56:503
136991500,1ptp4l0-21swapper/309:44:273
136991500,1ptp4l0-21swapper/309:26:013
136991500,0ptp4l391rcuc/311:17:143
18263994724,7cyclictest9-21ksoftirqd/012:00:200
136991470,1ptp4l0-21swapper/311:08:393
136991460,1ptp4l0-21swapper/311:37:093
1826699455,3cyclictest121rcu_preempt10:05:293
1826699454,3cyclictest121rcu_preempt07:30:153
18263994540,3cyclictest78072sleep009:00:430
136991450,1ptp4l0-21swapper/310:35:533
136991450,1ptp4l0-21swapper/307:20:583
136991440,1ptp4l0-21swapper/310:14:303
136991440,1ptp4l0-21swapper/307:53:313
18263994311,4cyclictest9-21ksoftirqd/011:30:200
136991430,0ptp4l391rcuc/309:46:183
18266994231,6cyclictest41-21ksoftirqd/309:05:143
1826599414,36cyclictest14030-21kworker/2:208:15:272
1826599413,37cyclictest26069-21kworker/2:007:30:472
1826599412,36cyclictest15306-21kworker/2:110:35:152
1826399417,3cyclictest9-21ksoftirqd/007:40:230
1826399415,4cyclictest9-21ksoftirqd/010:50:300
18263994110,4cyclictest9-21ksoftirqd/011:25:000
136991410,2ptp4l391rcuc/308:00:133
136991410,1ptp4l0-21swapper/310:31:573
1826599403,36cyclictest14030-21kworker/2:208:20:352
1826599402,37cyclictest4527-21kworker/2:107:56:042
1826599402,36cyclictest4573-21kworker/2:112:19:542
1826399403,6cyclictest9-21ksoftirqd/007:30:000
1826699396,7cyclictest41-21ksoftirqd/307:25:243
18266993935,2cyclictest41-21ksoftirqd/311:25:003
18266993934,3cyclictest41-21ksoftirqd/308:59:593
18266993933,4cyclictest41-21ksoftirqd/311:03:423
1826599397,30cyclictest10603-21kworker/2:011:30:032
1826399399,4cyclictest9-21ksoftirqd/009:35:190
1826399396,2cyclictest9-21ksoftirqd/007:35:250
1826399395,3cyclictest121rcu_preempt09:10:180
1826399395,3cyclictest121rcu_preempt07:45:230
1826399395,2cyclictest121rcu_preempt12:25:180
18263993934,2cyclictest9-21ksoftirqd/010:30:000
136991390,1ptp4l391rcuc/311:10:163
18266993828,8cyclictest41-21ksoftirqd/312:15:173
18266993826,10cyclictest41-21ksoftirqd/310:20:163
1826599388,29cyclictest4573-21kworker/2:112:32:192
1826599387,30cyclictest4527-21kworker/2:108:02:472
1826599383,33cyclictest4573-21kworker/2:112:38:272
1826599383,33cyclictest10603-21kworker/2:011:25:352
1826599382,34cyclictest19971-21kworker/2:209:55:112
1826599382,34cyclictest10603-21kworker/2:011:40:072
1826599382,34cyclictest10603-21kworker/2:011:24:222
1826599381,35cyclictest15306-21kworker/2:111:12:312
1826399385,2cyclictest121rcu_preempt11:50:260
1826399384,2cyclictest121rcu_preempt12:05:290
1826399384,2cyclictest121rcu_preempt12:05:290
18263993833,3cyclictest9-21ksoftirqd/008:30:010
1826699374,3cyclictest121rcu_preempt07:10:143
1826599377,29cyclictest15306-21kworker/2:110:41:432
1826599377,28cyclictest4573-21kworker/2:112:22:032
1826599376,29cyclictest4527-21kworker/2:107:49:072
1826599375,11cyclictest4527-21kworker/2:108:05:232
1826599373,33cyclictest26069-21kworker/2:007:38:392
1826599373,33cyclictest15306-21kworker/2:111:18:592
1826599373,32cyclictest26125-21kworker/2:207:10:082
1826599373,32cyclictest18902-21kworker/2:211:52:592
18265993730,5cyclictest33-21ksoftirqd/208:10:102
1826599372,34cyclictest4573-21kworker/2:112:26:472
1826599372,33cyclictest26069-21kworker/2:007:28:242
1826599372,33cyclictest18902-21kworker/2:212:12:472
18265993721,14cyclictest33-21ksoftirqd/208:39:422
18265993715,3cyclictest25348-21ps08:30:292
1826599371,35cyclictest15306-21kworker/2:111:03:272
1826599371,34cyclictest26125-21kworker/2:207:20:122
1826599371,16cyclictest18902-21kworker/2:211:45:112
1826399377,4cyclictest9-21ksoftirqd/008:22:430
1826399377,3cyclictest9-21ksoftirqd/008:55:150
1826399374,3cyclictest121rcu_preempt10:55:330
1826399374,3cyclictest121rcu_preempt10:00:280
1826399374,3cyclictest121rcu_preempt08:30:200
1826399374,3cyclictest121rcu_preempt08:00:170
1826399373,3cyclictest121rcu_preempt11:00:170
1826399373,2cyclictest121rcu_preempt12:20:230
1826399373,2cyclictest121rcu_preempt10:15:140
18263993732,3cyclictest9-21ksoftirqd/011:10:000
18263993732,2cyclictest9-21ksoftirqd/008:45:280
18263993723,6cyclictest9-21ksoftirqd/009:55:130
1826399371,4cyclictest9-21ksoftirqd/011:25:170
1826399371,4cyclictest121rcu_preempt10:40:260
18266993629,5cyclictest41-21ksoftirqd/312:07:203
18266993629,5cyclictest41-21ksoftirqd/312:07:203
1826599367,27cyclictest19971-21kworker/2:209:51:472
1826599367,27cyclictest19971-21kworker/2:209:45:032
1826599366,29cyclictest18902-21kworker/2:212:01:072
1826599365,29cyclictest18902-21kworker/2:212:08:512
1826599365,29cyclictest18902-21kworker/2:212:08:512
1826599363,32cyclictest15306-21kworker/2:110:59:112
1826599363,32cyclictest15306-21kworker/2:110:52:072
1826599363,31cyclictest19971-21kworker/2:210:19:432
18265993630,4cyclictest33-21ksoftirqd/209:01:292
1826599362,33cyclictest26125-21kworker/2:207:16:242
1826599362,33cyclictest15306-21kworker/2:111:06:072
1826599362,33cyclictest15306-21kworker/2:110:49:432
1826599362,31cyclictest25202-21kworker/2:109:40:472
1826599361,33cyclictest15306-21kworker/2:110:25:512
1826599360,34cyclictest4527-21kworker/2:107:51:282
1826399366,3cyclictest9-21ksoftirqd/007:54:350
1826399365,6cyclictest121rcu_preempt11:15:180
1826399365,3cyclictest121rcu_preempt08:50:260
1826399365,2cyclictest121rcu_preempt10:30:250
1826399364,2cyclictest121rcu_preempt09:20:140
1826399364,2cyclictest121rcu_preempt09:20:140
18263993631,3cyclictest9-21ksoftirqd/011:55:140
18263993631,3cyclictest9-21ksoftirqd/009:50:140
18263993631,2cyclictest9-21ksoftirqd/009:30:000
1826399362,3cyclictest121rcu_preempt09:45:200
1826399360,4cyclictest9-21ksoftirqd/008:15:240
1826399360,4cyclictest9-21ksoftirqd/007:30:160
136991360,1ptp4l391rcuc/310:19:423
136991360,1ptp4l391rcuc/307:46:323
59298350,2rtkit-daemon0-21swapper/108:45:261
18266993530,3cyclictest41-21ksoftirqd/312:35:003
18266993530,3cyclictest41-21ksoftirqd/308:40:003
18266993530,3cyclictest41-21ksoftirqd/307:19:593
18266993529,4cyclictest41-21ksoftirqd/308:50:463
18266993528,4cyclictest41-21ksoftirqd/311:30:003
18266993527,5cyclictest41-21ksoftirqd/310:25:133
1826599355,28cyclictest16484-21kworker/2:109:21:232
1826599355,28cyclictest16484-21kworker/2:109:21:232
18265993529,4cyclictest33-21ksoftirqd/209:29:172
1826599352,31cyclictest18902-21kworker/2:211:57:072
1826599351,33cyclictest30768-21kworker/2:009:07:272
1826599351,33cyclictest19971-21kworker/2:210:02:042
1826599351,32cyclictest15306-21kworker/2:110:33:152
1826599350,34cyclictest10603-21kworker/2:011:35:432
1826599350,33cyclictest30768-21kworker/2:009:10:592
18264993529,4cyclictest25-21ksoftirqd/112:38:421
18264993529,4cyclictest25-21ksoftirqd/111:36:451
18264993529,4cyclictest25-21ksoftirqd/108:36:201
18264993529,4cyclictest25-21ksoftirqd/108:26:331
18264993528,5cyclictest25-21ksoftirqd/112:05:491
18264993528,5cyclictest25-21ksoftirqd/112:05:491
1826399354,6cyclictest9-21ksoftirqd/011:35:280
1826399354,3cyclictest121rcu_preempt08:10:230
1826399353,2cyclictest121rcu_preempt10:05:180
1826399353,2cyclictest121rcu_preempt09:40:290
18263993529,4cyclictest9-21ksoftirqd/007:10:490
1826399352,3cyclictest121rcu_preempt12:15:190
1826399351,4cyclictest9-21ksoftirqd/010:35:180
1826399350,5cyclictest9-21ksoftirqd/011:40:220
1826399350,5cyclictest9-21ksoftirqd/010:45:220
18266993430,3cyclictest41-21ksoftirqd/308:35:003
18266993428,4cyclictest41-21ksoftirqd/310:49:213
18266993424,2cyclictest41-21ksoftirqd/309:30:203
1826699340,4cyclictest41-21ksoftirqd/308:50:013
1826599344,29cyclictest11915-21kworker/2:010:24:512
1826599343,30cyclictest19971-21kworker/2:209:37:272
1826599342,17cyclictest5770-21latency_hist09:00:002
1826599340,32cyclictest19971-21kworker/2:210:07:032
18264993428,4cyclictest25-21ksoftirqd/111:59:441
18264993428,4cyclictest25-21ksoftirqd/109:28:431
18264993428,4cyclictest25-21ksoftirqd/108:09:361
1826399345,2cyclictest121rcu_preempt09:30:280
1826399344,2cyclictest121rcu_preempt07:55:300
1826399343,3cyclictest121rcu_preempt12:30:220
18263993429,3cyclictest9-21ksoftirqd/008:05:160
18263993429,2cyclictest9-21ksoftirqd/010:15:000
18263993428,4cyclictest9-21ksoftirqd/012:39:300
18263993427,4cyclictest9-21ksoftirqd/011:12:290
1826399342,2cyclictest121rcu_preempt07:20:190
293022330,7sleep11826499cyclictest08:40:181
18266993328,3cyclictest41-21ksoftirqd/311:40:153
18266993328,3cyclictest41-21ksoftirqd/308:20:003
18266993328,2cyclictest136991ptp4l12:10:143
18266993327,4cyclictest41-21ksoftirqd/310:42:193
1826599335,27cyclictest30768-21kworker/2:009:18:592
18265993328,3cyclictest33-21ksoftirqd/210:11:512
1826599331,30cyclictest19971-21kworker/2:209:31:552
18264993328,3cyclictest25-21ksoftirqd/111:30:001
18264993328,3cyclictest25-21ksoftirqd/109:03:191
18264993327,4cyclictest25-21ksoftirqd/112:25:151
18264993327,4cyclictest25-21ksoftirqd/111:24:491
18264993327,4cyclictest25-21ksoftirqd/111:07:081
18264993327,4cyclictest25-21ksoftirqd/110:44:581
18264993327,4cyclictest25-21ksoftirqd/110:39:521
18264993327,4cyclictest25-21ksoftirqd/109:23:541
18264993327,4cyclictest25-21ksoftirqd/109:23:541
18264993327,4cyclictest25-21ksoftirqd/109:16:451
18264993327,4cyclictest25-21ksoftirqd/109:06:001
18264993327,4cyclictest25-21ksoftirqd/108:51:241
18264993327,4cyclictest25-21ksoftirqd/107:54:031
18264993327,4cyclictest25-21ksoftirqd/107:27:271
18264993326,5cyclictest25-21ksoftirqd/109:54:231
1826399333,3cyclictest121rcu_preempt08:40:190
18263993327,3cyclictest9-21ksoftirqd/009:15:350
18266993227,3cyclictest41-21ksoftirqd/311:30:143
18266993227,3cyclictest41-21ksoftirqd/309:10:283
18266993222,9cyclictest41-21ksoftirqd/312:39:593
18264993228,3cyclictest25-21ksoftirqd/110:51:091
18264993227,3cyclictest25-21ksoftirqd/111:49:051
18264993227,3cyclictest25-21ksoftirqd/111:33:071
18264993227,3cyclictest25-21ksoftirqd/110:32:491
18264993226,4cyclictest25-21ksoftirqd/111:43:151
18264993226,4cyclictest25-21ksoftirqd/111:10:331
18264993226,4cyclictest25-21ksoftirqd/111:02:551
18264993226,4cyclictest25-21ksoftirqd/110:02:211
18264993226,4cyclictest25-21ksoftirqd/109:55:551
1826399325,3cyclictest121rcu_preempt10:20:290
18263993228,2cyclictest9-21ksoftirqd/009:10:010
18263993225,5cyclictest9-21ksoftirqd/011:46:230
18265993126,3cyclictest33-21ksoftirqd/208:43:592
18264993126,3cyclictest25-21ksoftirqd/109:13:111
18264993126,3cyclictest25-21ksoftirqd/107:20:441
18264993126,3cyclictest11936-21dump-pmu-power10:20:001
18264993125,4cyclictest25-21ksoftirqd/112:18:451
18264993125,4cyclictest25-21ksoftirqd/111:17:191
18264993125,4cyclictest25-21ksoftirqd/110:24:491
18264993025,3cyclictest25-21ksoftirqd/112:01:411
18264993025,3cyclictest25-21ksoftirqd/108:12:331
18264993024,4cyclictest25-21ksoftirqd/109:30:521
1826599291,16cyclictest14030-21kworker/2:208:25:282
18264992924,3cyclictest25-21ksoftirqd/110:13:431
18264992924,3cyclictest25-21ksoftirqd/107:32:001
18264992924,3cyclictest25-21ksoftirqd/107:10:371
18264992923,4cyclictest25-21ksoftirqd/109:35:331
18264992923,4cyclictest25-21ksoftirqd/108:56:141
18264992923,4cyclictest25-21ksoftirqd/108:01:411
18264992822,4cyclictest25-21ksoftirqd/112:30:371
18264992822,4cyclictest25-21ksoftirqd/112:13:001
18264992822,4cyclictest25-21ksoftirqd/109:49:141
18265992721,4cyclictest33-21ksoftirqd/208:52:172
18265992721,4cyclictest33-21ksoftirqd/208:47:042
18264992722,3cyclictest25-21ksoftirqd/112:20:371
18264992722,3cyclictest25-21ksoftirqd/107:40:471
18264992721,4cyclictest25-21ksoftirqd/110:06:181
18264992621,3cyclictest25-21ksoftirqd/110:45:191
18264992621,3cyclictest25-21ksoftirqd/110:25:211
18264992621,3cyclictest25-21ksoftirqd/108:24:061
18264992620,4cyclictest25-21ksoftirqd/108:32:101
18264992520,3cyclictest25-21ksoftirqd/110:58:291
18264992520,3cyclictest25-21ksoftirqd/108:15:131
18264992519,4cyclictest25-21ksoftirqd/111:50:491
18264992519,4cyclictest25-21ksoftirqd/107:47:491
18264992419,3cyclictest25-21ksoftirqd/109:43:061
18264992419,3cyclictest25-21ksoftirqd/107:17:561
18264992317,4cyclictest25-21ksoftirqd/107:56:321
18264991913,4cyclictest30321-21cpuspeed07:35:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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