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2026-08-29 - 07:45
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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 the highest latencies:
System rackdslot2.osadl.org (updated Sat Aug 29, 2026 00:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
67622209176,22sleep10-21swapper/119:06:101
67622209176,22sleep10-21swapper/119:06:101
68612207173,22sleep30-21swapper/319:07:283
68612207173,22sleep30-21swapper/319:07:273
69552206172,22sleep20-21swapper/219:08:402
69552206172,22sleep20-21swapper/219:08:402
68702203168,23sleep00-21swapper/019:07:330
68702203168,23sleep00-21swapper/019:07:330
2324721810,6sleep2735399cyclictest23:00:272
2672521730,7sleep1735299cyclictest22:00:251
1252421530,6sleep3735499cyclictest23:45:243
2568021380,4sleep3735499cyclictest22:00:143
230392660,2sleep30-21swapper/321:55:123
1395916151,3phc2sys0-21swapper/319:10:013
7353995525,3cyclictest33-21ksoftirqd/221:15:212
7353995525,3cyclictest33-21ksoftirqd/221:15:202
7353995525,3cyclictest33-21ksoftirqd/220:20:232
7353995524,3cyclictest33-21ksoftirqd/220:25:252
139291550,1ptp4l401ktimersoftd/323:14:273
7353995421,5cyclictest33-21ksoftirqd/222:15:162
7353995320,6cyclictest33-21ksoftirqd/223:15:182
7353995221,4cyclictest33-21ksoftirqd/221:05:232
7353995218,4cyclictest33-21ksoftirqd/223:15:012
139291520,1ptp4l401ktimersoftd/323:37:123
7353995119,5cyclictest33-21ksoftirqd/222:05:232
202782510,2sleep20-21swapper/219:35:152
7353995020,4cyclictest33-21ksoftirqd/223:55:192
7353995014,7cyclictest33-21ksoftirqd/219:20:002
7353995013,4cyclictest33-21ksoftirqd/200:15:242
7353994919,3cyclictest33-21ksoftirqd/222:05:002
7353994918,8cyclictest33-21ksoftirqd/200:24:492
7353994917,3cyclictest33-21ksoftirqd/219:45:202
7353994916,4cyclictest33-21ksoftirqd/219:25:272
7353994916,3cyclictest33-21ksoftirqd/220:10:172
7353994910,4cyclictest33-21ksoftirqd/222:20:262
7353994820,3cyclictest33-21ksoftirqd/219:15:012
7353994819,8cyclictest33-21ksoftirqd/220:53:122
7353994819,3cyclictest33-21ksoftirqd/200:30:232
7353994817,4cyclictest33-21ksoftirqd/220:43:102
7353994718,7cyclictest33-21ksoftirqd/221:35:192
7353994715,8cyclictest33-21ksoftirqd/221:25:002
7353994713,4cyclictest33-21ksoftirqd/221:55:002
7352994740,4cyclictest217-21systemd-journal19:50:011
7353994618,8cyclictest33-21ksoftirqd/222:35:122
7353994618,4cyclictest33-21ksoftirqd/221:10:172
7353994613,6cyclictest33-21ksoftirqd/222:50:152
7353994612,7cyclictest33-21ksoftirqd/220:55:142
7353994514,7cyclictest33-21ksoftirqd/223:25:182
7353994513,4cyclictest33-21ksoftirqd/200:25:272
7353994510,6cyclictest33-21ksoftirqd/200:35:142
735399444,10cyclictest33-21ksoftirqd/222:25:232
7353994412,10cyclictest33-21ksoftirqd/220:00:132
139291440,0ptp4l401ktimersoftd/321:20:363
735399434,7cyclictest33-21ksoftirqd/223:35:142
735399434,6cyclictest33-21ksoftirqd/222:30:232
735399433,3cyclictest121rcu_preempt23:50:182
7353994327,14cyclictest33-21ksoftirqd/200:04:592
139291430,0ptp4l401ktimersoftd/321:15:203
139291430,0ptp4l401ktimersoftd/321:15:203
735399428,6cyclictest33-21ksoftirqd/219:20:262
7353994238,2cyclictest33-21ksoftirqd/223:00:002
7353994236,3cyclictest33-21ksoftirqd/223:25:002
7353994230,10cyclictest33-21ksoftirqd/221:00:232
7353994211,9cyclictest33-21ksoftirqd/220:05:172
7353994211,9cyclictest33-21ksoftirqd/220:05:162
7354994136,3cyclictest41-21ksoftirqd/319:40:003
7353994135,3cyclictest33-21ksoftirqd/220:50:012
735399413,10cyclictest33-21ksoftirqd/221:30:172
7353994130,2cyclictest33-21ksoftirqd/219:55:242
7353994128,11cyclictest33-21ksoftirqd/220:15:252
735399412,3cyclictest121rcu_preempt22:10:252
735399412,3cyclictest121rcu_preempt20:33:032
7353994114,3cyclictest33-21ksoftirqd/220:35:172
7353994114,3cyclictest33-21ksoftirqd/220:35:162
735299410,39cyclictest0-21swapper/121:57:541
7351994135,3cyclictest3558-21cron23:29:590
735399404,4cyclictest33-21ksoftirqd/200:14:322
735399404,3cyclictest33-21ksoftirqd/223:30:132
7353994036,2cyclictest33-21ksoftirqd/219:45:012
735299400,37cyclictest0-21swapper/120:43:141
7351994036,2cyclictest9-21ksoftirqd/000:15:010
7351994035,3cyclictest23251-21sh20:50:010
7354993933,4cyclictest41-21ksoftirqd/321:31:173
7354993933,4cyclictest41-21ksoftirqd/300:18:183
7354993932,5cyclictest41-21ksoftirqd/320:24:413
7353993934,3cyclictest33-21ksoftirqd/219:50:142
7353993934,3cyclictest33-21ksoftirqd/200:05:162
7353993933,3cyclictest33-21ksoftirqd/223:05:142
735399391,3cyclictest121rcu_preempt19:30:162
7352993933,4cyclictest25-21ksoftirqd/121:00:111
7351993934,3cyclictest9-21ksoftirqd/023:59:590
139291390,0ptp4l401ktimersoftd/300:30:233
7354993832,4cyclictest41-21ksoftirqd/323:44:443
7353993833,3cyclictest33-21ksoftirqd/222:50:012
7353993833,2cyclictest33-21ksoftirqd/221:40:262
7353993832,3cyclictest33-21ksoftirqd/222:00:002
7352993831,4cyclictest25-21ksoftirqd/120:55:541
7351993833,3cyclictest9-21ksoftirqd/000:20:010
7351993831,4cyclictest6577-21sh20:15:000
7354993732,3cyclictest41-21ksoftirqd/323:29:533
7354993732,3cyclictest41-21ksoftirqd/319:52:333
7354993732,3cyclictest41-21ksoftirqd/300:29:383
7354993731,4cyclictest41-21ksoftirqd/323:03:003
7354993731,4cyclictest41-21ksoftirqd/322:45:023
7354993731,4cyclictest41-21ksoftirqd/322:18:313
7354993731,4cyclictest41-21ksoftirqd/319:17:193
735399373,3cyclictest121rcu_preempt22:45:002
7353993732,3cyclictest33-21ksoftirqd/221:45:182
7352993731,4cyclictest25-21ksoftirqd/123:11:521
7352993731,4cyclictest25-21ksoftirqd/122:46:411
7352993731,4cyclictest25-21ksoftirqd/121:09:221
7352993731,4cyclictest25-21ksoftirqd/120:52:331
7352993731,4cyclictest25-21ksoftirqd/120:21:141
7351993733,3cyclictest9-21ksoftirqd/021:40:010
7351993730,4cyclictest9-21ksoftirqd/021:25:120
1395913731,3phc2sys41-21ksoftirqd/319:25:263
139291370,0ptp4l401ktimersoftd/319:49:563
7354993630,4cyclictest41-21ksoftirqd/322:53:453
7354993630,4cyclictest41-21ksoftirqd/321:51:553
7354993630,4cyclictest41-21ksoftirqd/321:08:583
7353993632,2cyclictest33-21ksoftirqd/223:45:252
735399361,2cyclictest121rcu_preempt23:40:222
735399360,2cyclictest121rcu_preempt21:25:152
7352993631,3cyclictest25-21ksoftirqd/123:10:001
7352993630,4cyclictest25-21ksoftirqd/123:48:431
7352993630,4cyclictest25-21ksoftirqd/121:43:031
7352993630,4cyclictest25-21ksoftirqd/119:36:021
7352993629,4cyclictest25-21ksoftirqd/120:28:211
7351993630,4cyclictest9-21ksoftirqd/021:50:210
7351993630,4cyclictest9-21ksoftirqd/020:05:340
7351993630,4cyclictest9-21ksoftirqd/020:05:340
7351993630,4cyclictest9-21ksoftirqd/019:11:180
7351993630,3cyclictest9-21ksoftirqd/023:34:590
7354993530,3cyclictest41-21ksoftirqd/321:40:453
7354993529,4cyclictest41-21ksoftirqd/320:33:493
7354993529,4cyclictest41-21ksoftirqd/320:10:583
7352993530,3cyclictest25-21ksoftirqd/123:45:001
7352993529,4cyclictest25-21ksoftirqd/123:27:541
7352993529,4cyclictest25-21ksoftirqd/121:53:171
7352993529,4cyclictest25-21ksoftirqd/120:14:411
7352993529,4cyclictest25-21ksoftirqd/119:55:321
7351993530,3cyclictest9-21ksoftirqd/020:00:000
7351993529,4cyclictest9-21ksoftirqd/022:50:340
7351993529,4cyclictest9-21ksoftirqd/021:05:110
7351993529,4cyclictest9-21ksoftirqd/021:02:340
7351993529,4cyclictest9-21ksoftirqd/000:36:240
7351993529,4cyclictest9-21ksoftirqd/000:21:280
7351993528,4cyclictest9-21ksoftirqd/019:30:110
7354993430,2cyclictest41-21ksoftirqd/320:04:323
7354993429,3cyclictest41-21ksoftirqd/322:40:013
7354993429,3cyclictest41-21ksoftirqd/322:20:533
7354993429,3cyclictest41-21ksoftirqd/321:00:103
7354993429,3cyclictest41-21ksoftirqd/320:15:133
7354993428,4cyclictest41-21ksoftirqd/322:33:443
7354993428,4cyclictest41-21ksoftirqd/319:40:103
7354993428,4cyclictest41-21ksoftirqd/319:31:383
7352993428,3cyclictest25-21ksoftirqd/100:15:001
7352993427,4cyclictest25-21ksoftirqd/122:05:151
7351993431,2cyclictest9-21ksoftirqd/020:25:000
7351993430,3cyclictest9-21ksoftirqd/019:50:190
7351993429,3cyclictest9-21ksoftirqd/022:55:020
7351993429,3cyclictest9-21ksoftirqd/021:48:510
7351993428,4cyclictest9-21ksoftirqd/023:41:040
7351993428,4cyclictest9-21ksoftirqd/022:25:070
7351993428,4cyclictest9-21ksoftirqd/020:53:160
7351993428,3cyclictest19406-21kworker/0:219:20:010
7351993427,4cyclictest9-21ksoftirqd/023:00:190
7351993427,4cyclictest9-21ksoftirqd/022:35:050
7351993427,4cyclictest9-21ksoftirqd/021:41:570
7354993329,2cyclictest41-21ksoftirqd/323:15:083
7354993328,3cyclictest41-21ksoftirqd/322:14:563
7354993328,3cyclictest41-21ksoftirqd/321:36:413
7354993328,3cyclictest41-21ksoftirqd/321:26:413
7354993328,3cyclictest41-21ksoftirqd/319:21:513
7354993328,3cyclictest41-21ksoftirqd/300:37:243
7354993327,4cyclictest41-21ksoftirqd/322:06:523
7354993327,4cyclictest41-21ksoftirqd/320:35:423
7354993327,4cyclictest41-21ksoftirqd/320:35:423
7352993328,3cyclictest25-21ksoftirqd/123:40:011
7352993328,3cyclictest25-21ksoftirqd/122:55:001
7352993327,4cyclictest25-21ksoftirqd/123:55:301
7352993327,4cyclictest25-21ksoftirqd/122:41:291
7352993327,4cyclictest25-21ksoftirqd/122:39:201
7352993327,4cyclictest25-21ksoftirqd/120:31:301
7352993327,4cyclictest25-21ksoftirqd/120:19:031
7352993327,4cyclictest25-21ksoftirqd/119:27:361
7352993327,4cyclictest25-21ksoftirqd/100:37:181
7352993327,3cyclictest25-21ksoftirqd/121:46:311
7351993328,3cyclictest9-21ksoftirqd/021:11:550
7351993328,3cyclictest9-21ksoftirqd/019:46:220
7351993327,4cyclictest9-21ksoftirqd/022:46:450
7351993326,5cyclictest9-21ksoftirqd/023:13:570
7351993326,4cyclictest9-21ksoftirqd/023:54:410
7351993326,4cyclictest9-21ksoftirqd/020:15:090
7351993326,4cyclictest9-21ksoftirqd/020:00:360
7354993228,3cyclictest41-21ksoftirqd/319:55:183
7354993227,3cyclictest41-21ksoftirqd/321:46:523
7354993227,3cyclictest41-21ksoftirqd/320:26:163
7354993227,3cyclictest41-21ksoftirqd/300:07:563
7354993226,4cyclictest41-21ksoftirqd/323:51:153
7354993226,4cyclictest41-21ksoftirqd/320:41:143
7354993225,4cyclictest41-21ksoftirqd/300:20:083
7352993227,3cyclictest25-21ksoftirqd/123:51:081
7352993227,3cyclictest25-21ksoftirqd/123:00:371
7352993227,3cyclictest25-21ksoftirqd/120:00:471
7352993226,4cyclictest25-21ksoftirqd/122:16:371
7352993226,4cyclictest25-21ksoftirqd/100:33:291
7352993226,3cyclictest25-21ksoftirqd/123:20:241
7352993225,4cyclictest25-21ksoftirqd/122:28:361
7351993227,3cyclictest9-21ksoftirqd/020:40:000
7351993227,3cyclictest9-21ksoftirqd/020:39:590
7351993227,3cyclictest9-21ksoftirqd/000:33:110
7351993226,4cyclictest9-21ksoftirqd/022:07:490
7351993226,4cyclictest9-21ksoftirqd/021:55:380
7351993226,4cyclictest9-21ksoftirqd/021:17:310
7351993226,4cyclictest9-21ksoftirqd/021:17:310
7351993225,4cyclictest9-21ksoftirqd/000:04:390
7351993222,8cyclictest9-21ksoftirqd/019:40:420
7354993126,3cyclictest41-21ksoftirqd/323:06:123
7354993126,3cyclictest41-21ksoftirqd/320:54:433
7354993126,3cyclictest41-21ksoftirqd/300:11:053
7354993125,4cyclictest41-21ksoftirqd/300:03:463
7352993126,3cyclictest25-21ksoftirqd/122:59:481
7352993126,3cyclictest25-21ksoftirqd/122:22:181
7352993126,3cyclictest25-21ksoftirqd/121:26:111
7352993126,3cyclictest25-21ksoftirqd/121:24:021
7352993126,3cyclictest25-21ksoftirqd/119:52:301
7352993126,3cyclictest25-21ksoftirqd/119:20:011
7351993126,3cyclictest9-21ksoftirqd/023:45:180
7351993126,3cyclictest9-21ksoftirqd/023:15:380
7351993126,3cyclictest9-21ksoftirqd/022:19:570
7351993126,3cyclictest9-21ksoftirqd/021:30:140
7351993126,3cyclictest9-21ksoftirqd/020:59:590
7351993126,3cyclictest9-21ksoftirqd/019:29:410
7351993126,3cyclictest9-21ksoftirqd/000:05:190
7351993124,4cyclictest9-21ksoftirqd/020:40:140
139291310,0ptp4l401ktimersoftd/322:25:373
7354993026,2cyclictest41-21ksoftirqd/320:09:333
7354993026,2cyclictest41-21ksoftirqd/320:09:333
7354993025,3cyclictest41-21ksoftirqd/323:20:273
7354993024,4cyclictest41-21ksoftirqd/320:57:523
7354993023,4cyclictest41-21ksoftirqd/323:55:483
7352993026,2cyclictest25-21ksoftirqd/123:15:161
7352993025,3cyclictest25-21ksoftirqd/100:06:291
7352993024,4cyclictest25-21ksoftirqd/120:07:231
7352993024,4cyclictest25-21ksoftirqd/120:07:231
7352993024,4cyclictest25-21ksoftirqd/100:17:361
7351993025,3cyclictest9-21ksoftirqd/019:38:110
7351993025,3cyclictest9-21ksoftirqd/019:20:010
7351993024,4cyclictest9-21ksoftirqd/022:23:340
7351993024,4cyclictest9-21ksoftirqd/000:26:540
7352992924,3cyclictest25-21ksoftirqd/121:36:121
7352992924,3cyclictest25-21ksoftirqd/120:49:421
7352992924,3cyclictest25-21ksoftirqd/100:00:121
7352992923,4cyclictest25-21ksoftirqd/122:10:561
7352992923,4cyclictest25-21ksoftirqd/121:10:371
7352992923,4cyclictest25-21ksoftirqd/119:31:241
7352992923,3cyclictest25-21ksoftirqd/121:15:111
7352992923,3cyclictest25-21ksoftirqd/121:15:101
7351992925,3cyclictest9-21ksoftirqd/020:30:130
7351992924,3cyclictest9-21ksoftirqd/023:05:200
7351992923,4cyclictest9-21ksoftirqd/022:11:340
735199290,2cyclictest121rcu_preempt20:26:570
7354992822,4cyclictest41-21ksoftirqd/323:33:463
7354992822,4cyclictest41-21ksoftirqd/322:41:433
7352992823,3cyclictest25-21ksoftirqd/120:35:511
7352992823,3cyclictest25-21ksoftirqd/120:35:511
7352992823,3cyclictest25-21ksoftirqd/100:20:421
7351992822,4cyclictest9-21ksoftirqd/023:38:550
7351992822,3cyclictest9-21ksoftirqd/022:42:060
7354992722,3cyclictest41-21ksoftirqd/320:47:053
7352992722,3cyclictest25-21ksoftirqd/119:24:341
7352992722,3cyclictest25-21ksoftirqd/100:27:241
7351992721,4cyclictest9-21ksoftirqd/021:21:550
7354992620,4cyclictest41-21ksoftirqd/322:58:473
7352992622,3cyclictest25-21ksoftirqd/119:40:101
7352992621,3cyclictest11010-21egrep21:30:121
7351992621,3cyclictest9-21ksoftirqd/022:30:180
7352992520,3cyclictest25-21ksoftirqd/119:14:441
7351992520,3cyclictest9-21ksoftirqd/023:25:000
7352992419,3cyclictest25-21ksoftirqd/122:30:211
7352992318,3cyclictest25-21ksoftirqd/123:30:231
139291230,0ptp4l401ktimersoftd/321:10:133
7351992116,3cyclictest9-21ksoftirqd/022:00:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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