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2026-05-06 - 11:17
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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 792 highest latencies:
System rackdslot4.osadl.org (updated Wed May 06, 2026 00:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591208173,23phc2sys0-21swapper/319:06:343
166172202169,21sleep10-21swapper/119:09:571
165532201168,22sleep00-21swapper/019:09:080
164422200168,21sleep20-21swapper/219:07:412
952621410,7sleep21691599cyclictest23:15:012
1662228763,15sleep10-21swapper/119:10:011
16916996629,4cyclictest41-21ksoftirqd/323:15:003
16916996131,9cyclictest41-21ksoftirqd/323:25:003
16916996130,3cyclictest41-21ksoftirqd/323:15:123
16916996130,3cyclictest41-21ksoftirqd/323:15:123
16916996129,4cyclictest41-21ksoftirqd/320:15:203
194852600,2sleep00-21swapper/023:35:000
16916996028,4cyclictest41-21ksoftirqd/323:45:163
16916995930,8cyclictest41-21ksoftirqd/322:05:123
16916995924,4cyclictest41-21ksoftirqd/321:40:173
16916995921,4cyclictest41-21ksoftirqd/322:57:393
16916995920,4cyclictest41-21ksoftirqd/319:26:303
16916995826,8cyclictest41-21ksoftirqd/300:15:273
16916995826,8cyclictest41-21ksoftirqd/300:15:273
16916995822,4cyclictest41-21ksoftirqd/321:45:463
16916995822,4cyclictest41-21ksoftirqd/320:28:563
16916995822,4cyclictest41-21ksoftirqd/300:11:403
16916995821,4cyclictest41-21ksoftirqd/322:00:463
16916995821,4cyclictest41-21ksoftirqd/300:26:053
16916995819,4cyclictest41-21ksoftirqd/323:50:513
200502570,2sleep10-21swapper/119:15:181
16916995726,7cyclictest41-21ksoftirqd/320:40:143
16916995725,4cyclictest41-21ksoftirqd/319:30:143
16916995722,4cyclictest41-21ksoftirqd/319:46:193
16916995721,7cyclictest41-21ksoftirqd/300:35:133
16916995721,4cyclictest41-21ksoftirqd/323:25:043
16916995721,4cyclictest41-21ksoftirqd/300:03:263
16916995720,5cyclictest41-21ksoftirqd/319:23:333
16916995720,4cyclictest41-21ksoftirqd/321:56:413
16916995720,4cyclictest41-21ksoftirqd/300:32:433
16916995720,4cyclictest41-21ksoftirqd/300:07:233
16916995625,4cyclictest41-21ksoftirqd/320:10:143
16916995624,8cyclictest41-21ksoftirqd/323:35:143
16916995621,8cyclictest41-21ksoftirqd/322:50:003
16916995621,4cyclictest41-21ksoftirqd/321:27:163
16916995621,4cyclictest41-21ksoftirqd/300:20:253
16916995621,3cyclictest41-21ksoftirqd/321:05:203
16916995620,4cyclictest41-21ksoftirqd/322:13:543
16916995618,4cyclictest41-21ksoftirqd/322:21:013
16916995618,4cyclictest41-21ksoftirqd/320:50:123
16916995617,4cyclictest41-21ksoftirqd/321:12:003
16916995527,7cyclictest41-21ksoftirqd/322:30:193
16916995527,7cyclictest41-21ksoftirqd/322:30:193
16916995522,4cyclictest41-21ksoftirqd/320:30:163
16916995522,4cyclictest41-21ksoftirqd/320:30:153
16916995520,4cyclictest41-21ksoftirqd/320:55:523
16916995519,4cyclictest41-21ksoftirqd/321:33:313
16916995519,4cyclictest41-21ksoftirqd/321:33:313
16916995517,4cyclictest41-21ksoftirqd/319:12:343
16916995516,4cyclictest41-21ksoftirqd/322:26:153
16916995426,4cyclictest41-21ksoftirqd/320:45:143
16916995425,8cyclictest41-21ksoftirqd/323:55:163
16916995421,7cyclictest41-21ksoftirqd/321:35:253
16916995421,10cyclictest41-21ksoftirqd/319:55:133
16916995417,9cyclictest41-21ksoftirqd/319:18:403
16916995417,4cyclictest41-21ksoftirqd/321:03:433
16916995417,4cyclictest41-21ksoftirqd/321:03:423
16916995319,3cyclictest41-21ksoftirqd/320:35:013
16916995317,4cyclictest41-21ksoftirqd/321:50:133
16916995317,4cyclictest41-21ksoftirqd/321:20:023
16916995226,9cyclictest41-21ksoftirqd/322:35:203
16916995223,8cyclictest41-21ksoftirqd/322:15:143
16916995216,8cyclictest41-21ksoftirqd/323:02:363
16916995123,8cyclictest41-21ksoftirqd/319:50:143
16916995120,8cyclictest41-21ksoftirqd/322:50:133
16916995119,9cyclictest41-21ksoftirqd/323:09:263
16916995118,9cyclictest41-21ksoftirqd/319:43:463
16916995118,4cyclictest41-21ksoftirqd/320:04:413
1691699505,6cyclictest41-21ksoftirqd/321:19:593
16916995019,7cyclictest41-21ksoftirqd/322:40:163
1691699492,9cyclictest41-21ksoftirqd/323:30:123
16916994914,8cyclictest41-21ksoftirqd/323:43:083
16916994716,8cyclictest41-21ksoftirqd/319:36:043
1691699464,3cyclictest41-21ksoftirqd/320:05:153
1691699456,2cyclictest41-21ksoftirqd/320:20:153
50798430,2rtkit-daemon506-21rtkit-daemon19:35:241
16915994338,3cyclictest2700-21fschecks_count20:50:152
16914994135,3cyclictest26848-21cron21:40:011
50798390,13rtkit-daemon1522-21apache220:15:251
16915993832,4cyclictest33-21ksoftirqd/223:45:002
16914993831,5cyclictest25-21ksoftirqd/122:03:421
16914993831,4cyclictest25-21ksoftirqd/121:19:091
16915993732,3cyclictest33-21ksoftirqd/220:59:592
16915993730,5cyclictest33-21ksoftirqd/220:24:592
16915993730,4cyclictest33-21ksoftirqd/220:12:192
16914993731,4cyclictest25-21ksoftirqd/121:10:511
16914993730,5cyclictest25-21ksoftirqd/120:59:201
16913993731,4cyclictest9-21ksoftirqd/020:15:380
16913993730,4cyclictest9-21ksoftirqd/020:45:030
16915993630,4cyclictest33-21ksoftirqd/223:09:102
16915993630,4cyclictest33-21ksoftirqd/221:59:232
16915993630,4cyclictest33-21ksoftirqd/220:39:522
16915993630,4cyclictest33-21ksoftirqd/219:29:302
16914993630,4cyclictest25-21ksoftirqd/123:07:571
16914993630,4cyclictest25-21ksoftirqd/122:18:541
16914993630,4cyclictest25-21ksoftirqd/121:55:041
16913993631,3cyclictest9-21ksoftirqd/021:40:260
16913993631,3cyclictest9-21ksoftirqd/019:17:000
16913993630,4cyclictest9-21ksoftirqd/020:38:090
50798350,2rtkit-daemon506-21rtkit-daemon21:06:501
50798350,2rtkit-daemon506-21rtkit-daemon20:42:171
16915993530,3cyclictest33-21ksoftirqd/220:05:362
16915993530,3cyclictest33-21ksoftirqd/219:22:372
16915993529,4cyclictest33-21ksoftirqd/222:46:082
16915993529,4cyclictest33-21ksoftirqd/219:57:232
16915993528,4cyclictest33-21ksoftirqd/223:00:072
16914993529,4cyclictest25-21ksoftirqd/123:52:231
16914993529,4cyclictest25-21ksoftirqd/121:52:191
16914993529,4cyclictest25-21ksoftirqd/119:56:411
16914993528,5cyclictest25-21ksoftirqd/123:22:051
16914993528,4cyclictest25-21ksoftirqd/100:01:481
16913993529,4cyclictest9-21ksoftirqd/022:32:050
16913993529,4cyclictest9-21ksoftirqd/022:32:050
16913993529,4cyclictest9-21ksoftirqd/019:37:070
16913993528,4cyclictest9-21ksoftirqd/023:26:250
16915993429,3cyclictest33-21ksoftirqd/222:36:142
16915993429,3cyclictest33-21ksoftirqd/221:53:392
16915993429,3cyclictest33-21ksoftirqd/221:10:102
16915993428,4cyclictest33-21ksoftirqd/222:51:222
16915993428,4cyclictest33-21ksoftirqd/221:24:572
16915993428,4cyclictest33-21ksoftirqd/221:04:102
16915993428,4cyclictest33-21ksoftirqd/221:04:102
16915993428,4cyclictest33-21ksoftirqd/220:43:452
16915993428,4cyclictest33-21ksoftirqd/219:34:362
16915993428,4cyclictest33-21ksoftirqd/200:07:112
16915993428,4cyclictest33-21ksoftirqd/200:03:582
16915993427,4cyclictest33-21ksoftirqd/223:50:002
16915993423,9cyclictest33-21ksoftirqd/223:25:222
16914993429,3cyclictest25-21ksoftirqd/120:25:111
16914993428,4cyclictest25-21ksoftirqd/122:55:371
16914993428,4cyclictest25-21ksoftirqd/120:00:111
16914993428,4cyclictest25-21ksoftirqd/100:21:021
16914993428,3cyclictest14180-21egrep20:10:131
16913993428,4cyclictest9-21ksoftirqd/021:36:330
16913993428,4cyclictest9-21ksoftirqd/021:33:040
16913993428,4cyclictest9-21ksoftirqd/021:33:040
16913993428,4cyclictest9-21ksoftirqd/000:38:540
16913993428,4cyclictest9-21ksoftirqd/000:11:420
16913993427,4cyclictest9-21ksoftirqd/022:00:370
16915993328,3cyclictest33-21ksoftirqd/222:20:562
16915993327,4cyclictest33-21ksoftirqd/222:30:182
16915993327,4cyclictest33-21ksoftirqd/222:30:182
16915993327,4cyclictest33-21ksoftirqd/222:28:582
16915993327,4cyclictest33-21ksoftirqd/222:11:252
16915993327,4cyclictest33-21ksoftirqd/222:03:362
16915993327,4cyclictest33-21ksoftirqd/221:48:282
16915993327,4cyclictest33-21ksoftirqd/219:10:052
16915993326,4cyclictest33-21ksoftirqd/200:26:492
1691599331,3cyclictest121rcu_preempt20:28:042
16914993327,4cyclictest25-21ksoftirqd/123:59:051
16914993327,4cyclictest25-21ksoftirqd/122:22:411
16914993327,4cyclictest25-21ksoftirqd/119:24:121
16914993327,4cyclictest25-21ksoftirqd/100:12:161
16914993326,4cyclictest25-21ksoftirqd/123:03:361
16914993325,5cyclictest25-21ksoftirqd/123:45:011
16913993328,3cyclictest9-21ksoftirqd/022:05:090
16913993327,4cyclictest9-21ksoftirqd/021:22:180
16913993327,4cyclictest9-21ksoftirqd/019:29:000
16913993326,4cyclictest9-21ksoftirqd/021:58:040
16915993227,3cyclictest33-21ksoftirqd/223:15:492
16915993227,3cyclictest33-21ksoftirqd/223:15:482
16915993226,4cyclictest33-21ksoftirqd/223:33:092
16915993226,4cyclictest33-21ksoftirqd/220:48:532
16915993226,4cyclictest33-21ksoftirqd/200:35:312
16914993228,3cyclictest25-21ksoftirqd/121:40:191
16914993227,3cyclictest25-21ksoftirqd/121:28:481
16914993227,3cyclictest25-21ksoftirqd/120:45:111
16914993227,3cyclictest25-21ksoftirqd/120:20:571
16914993227,3cyclictest25-21ksoftirqd/119:40:171
16914993227,3cyclictest25-21ksoftirqd/100:10:001
16914993226,4cyclictest25-21ksoftirqd/123:37:261
16914993226,4cyclictest25-21ksoftirqd/122:52:201
16914993226,4cyclictest25-21ksoftirqd/120:37:291
16913993227,3cyclictest9-21ksoftirqd/023:59:510
16913993227,3cyclictest9-21ksoftirqd/023:53:330
16913993227,3cyclictest9-21ksoftirqd/023:15:150
16913993227,3cyclictest9-21ksoftirqd/023:15:140
16913993227,3cyclictest9-21ksoftirqd/023:01:020
16913993227,3cyclictest9-21ksoftirqd/019:31:040
16913993226,4cyclictest9-21ksoftirqd/023:41:180
16913993226,4cyclictest9-21ksoftirqd/023:12:050
16913993226,4cyclictest9-21ksoftirqd/022:59:220
16913993226,4cyclictest9-21ksoftirqd/022:16:450
16913993226,4cyclictest9-21ksoftirqd/021:46:490
16913993226,4cyclictest9-21ksoftirqd/000:33:450
16913993226,3cyclictest9-21ksoftirqd/022:26:320
16915993126,3cyclictest33-21ksoftirqd/221:19:052
16915993125,4cyclictest33-21ksoftirqd/220:17:322
16915993125,4cyclictest33-21ksoftirqd/220:00:442
16915993125,4cyclictest33-21ksoftirqd/219:46:442
16915993125,4cyclictest33-21ksoftirqd/219:37:492
16915993124,4cyclictest33-21ksoftirqd/200:30:502
1691599311,2cyclictest121rcu_preempt23:50:232
16914993126,3cyclictest25-21ksoftirqd/121:00:361
16914993126,3cyclictest25-21ksoftirqd/121:00:361
16914993125,4cyclictest25-21ksoftirqd/119:48:351
16914993125,4cyclictest25-21ksoftirqd/119:27:211
16914993125,3cyclictest13918-21cron20:10:011
16914993124,4cyclictest25-21ksoftirqd/123:30:001
16914993124,4cyclictest25-21ksoftirqd/119:51:481
16913993126,3cyclictest9-21ksoftirqd/021:11:030
16913993126,3cyclictest9-21ksoftirqd/020:31:070
16913993126,3cyclictest9-21ksoftirqd/020:31:060
16913993126,3cyclictest9-21ksoftirqd/019:10:200
16913993125,4cyclictest9-21ksoftirqd/022:51:440
16913993125,4cyclictest9-21ksoftirqd/022:47:230
16913993125,4cyclictest9-21ksoftirqd/022:24:150
16913993125,4cyclictest9-21ksoftirqd/021:01:270
16913993125,4cyclictest9-21ksoftirqd/021:01:270
16914993024,4cyclictest25-21ksoftirqd/122:32:421
16914993024,4cyclictest25-21ksoftirqd/122:32:421
16914993024,4cyclictest25-21ksoftirqd/121:34:141
16914993024,4cyclictest25-21ksoftirqd/121:34:141
16914993024,4cyclictest25-21ksoftirqd/119:30:581
16914993024,4cyclictest25-21ksoftirqd/100:31:451
16913993025,3cyclictest9-21ksoftirqd/022:44:250
16913993025,3cyclictest9-21ksoftirqd/000:19:090
16913993025,3cyclictest9-21ksoftirqd/000:19:080
16913993024,4cyclictest9-21ksoftirqd/022:11:230
16913993024,4cyclictest9-21ksoftirqd/021:19:130
16913993024,4cyclictest9-21ksoftirqd/020:10:010
16913993024,4cyclictest9-21ksoftirqd/020:01:100
16913993024,4cyclictest9-21ksoftirqd/019:51:150
16913993023,4cyclictest9-21ksoftirqd/000:25:060
16915992924,3cyclictest33-21ksoftirqd/222:55:232
16915992924,3cyclictest33-21ksoftirqd/221:35:002
16915992924,3cyclictest33-21ksoftirqd/221:35:002
16915992924,3cyclictest33-21ksoftirqd/219:42:092
16914992926,2cyclictest25-21ksoftirqd/122:05:171
16914992924,3cyclictest25-21ksoftirqd/100:38:141
16914992923,4cyclictest25-21ksoftirqd/122:43:061
16913992925,3cyclictest9-21ksoftirqd/020:51:160
16913992924,3cyclictest9-21ksoftirqd/023:50:000
16913992924,3cyclictest9-21ksoftirqd/023:23:280
16913992924,3cyclictest9-21ksoftirqd/023:05:590
16913992924,3cyclictest9-21ksoftirqd/021:25:310
16913992924,3cyclictest9-21ksoftirqd/000:22:030
16913992924,3cyclictest9-21ksoftirqd/000:00:390
16913992923,4cyclictest9-21ksoftirqd/023:39:570
16913992923,4cyclictest9-21ksoftirqd/021:09:300
16913992923,4cyclictest9-21ksoftirqd/000:09:140
16915992823,3cyclictest33-21ksoftirqd/222:19:512
16915992823,3cyclictest33-21ksoftirqd/221:42:022
16915992823,3cyclictest33-21ksoftirqd/221:35:452
16915992823,3cyclictest33-21ksoftirqd/219:54:482
16915992819,4cyclictest33-21ksoftirqd/200:17:152
16915992819,4cyclictest33-21ksoftirqd/200:17:142
16914992822,4cyclictest25-21ksoftirqd/122:37:361
16913992823,3cyclictest9-21ksoftirqd/020:59:160
16913992823,3cyclictest9-21ksoftirqd/020:28:210
16913992822,4cyclictest9-21ksoftirqd/020:40:500
16913992822,4cyclictest9-21ksoftirqd/019:22:580
16915992721,4cyclictest33-21ksoftirqd/221:29:412
16914992721,4cyclictest25-21ksoftirqd/123:17:521
16914992721,4cyclictest25-21ksoftirqd/123:17:521
16914992721,4cyclictest25-21ksoftirqd/122:14:011
16914992721,4cyclictest25-21ksoftirqd/121:46:291
16914992720,5cyclictest25-21ksoftirqd/121:21:021
16914992720,4cyclictest25-21ksoftirqd/100:27:481
16914992720,4cyclictest25-21ksoftirqd/100:16:011
16914992720,4cyclictest25-21ksoftirqd/100:16:011
16913992722,3cyclictest9-21ksoftirqd/022:36:470
16913992721,4cyclictest9-21ksoftirqd/020:24:240
16915992621,3cyclictest33-21ksoftirqd/223:39:592
16915992621,3cyclictest33-21ksoftirqd/222:06:422
16914992621,3cyclictest25-21ksoftirqd/123:45:291
16914992621,3cyclictest25-21ksoftirqd/123:10:161
16914992621,3cyclictest25-21ksoftirqd/120:30:161
16914992621,3cyclictest25-21ksoftirqd/120:30:151
16913992621,3cyclictest9-21ksoftirqd/019:45:140
16915992520,3cyclictest33-21ksoftirqd/223:20:352
16915992520,3cyclictest33-21ksoftirqd/200:23:492
16915992520,3cyclictest33-21ksoftirqd/200:12:472
16914992520,3cyclictest25-21ksoftirqd/120:50:171
16913992519,4cyclictest9-21ksoftirqd/019:56:090
16914992420,2cyclictest25-21ksoftirqd/122:25:321
16915992320,2cyclictest33-21ksoftirqd/219:15:262
16915992318,3cyclictest33-21ksoftirqd/223:57:362
16915992318,3cyclictest33-21ksoftirqd/220:30:072
16915992318,3cyclictest33-21ksoftirqd/220:30:062
16915992317,4cyclictest33-21ksoftirqd/222:40:212
16914992319,3cyclictest25-21ksoftirqd/122:46:411
16913992318,3cyclictest9-21ksoftirqd/021:54:590
16914992116,3cyclictest25-21ksoftirqd/123:30:181
16913992115,4cyclictest9-21ksoftirqd/020:11:280
16915991812,4cyclictest10312-21if_err_enp4s021:05:192
16913991813,3cyclictest1776-21sed19:45:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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