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2026-05-02 - 05:05
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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 376 highest latencies:
System rackdslot2.osadl.org (updated Sat May 02, 2026 00:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591226198,19phc2sys0-21swapper/319:05:073
43922206173,22sleep20-21swapper/219:06:062
46082204170,22sleep00-21swapper/019:08:500
43482204170,22sleep10-21swapper/119:05:331
1443421620,8sleep1499299cyclictest19:30:011
139291920,70ptp4l0-21swapper/319:10:023
180472740,2sleep30-21swapper/323:00:153
102312740,2sleep0499199cyclictest19:20:120
139291700,0ptp4l391rcuc/321:05:173
4994996929,10cyclictest41-21ksoftirqd/323:40:173
4994996832,7cyclictest41-21ksoftirqd/319:50:243
4994996732,7cyclictest41-21ksoftirqd/322:35:003
4994996622,9cyclictest41-21ksoftirqd/320:45:273
189352660,6sleep018938-21idleruntime-cro00:10:010
4994996529,4cyclictest41-21ksoftirqd/322:15:133
4994996430,4cyclictest41-21ksoftirqd/320:10:223
4994996429,9cyclictest41-21ksoftirqd/322:10:273
4994996331,4cyclictest41-21ksoftirqd/320:00:243
4994996331,4cyclictest41-21ksoftirqd/320:00:243
4994996330,10cyclictest41-21ksoftirqd/323:35:223
4994996330,10cyclictest41-21ksoftirqd/321:10:243
4994996329,8cyclictest41-21ksoftirqd/319:40:223
4994996326,10cyclictest41-21ksoftirqd/320:05:163
4994996325,3cyclictest41-21ksoftirqd/300:35:233
4994996230,4cyclictest41-21ksoftirqd/300:35:013
4994996229,3cyclictest41-21ksoftirqd/322:45:003
4994996228,7cyclictest41-21ksoftirqd/300:00:173
4994996222,7cyclictest41-21ksoftirqd/323:25:183
4994996131,8cyclictest41-21ksoftirqd/300:20:173
4994996131,7cyclictest41-21ksoftirqd/300:10:133
4994996130,9cyclictest41-21ksoftirqd/321:45:133
4994996130,7cyclictest41-21ksoftirqd/322:05:263
4994996129,9cyclictest41-21ksoftirqd/321:35:233
4994996129,6cyclictest41-21ksoftirqd/321:20:183
4994996127,8cyclictest41-21ksoftirqd/320:35:003
4994996124,8cyclictest41-21ksoftirqd/323:30:223
4994996122,7cyclictest41-21ksoftirqd/319:15:233
4994996122,4cyclictest41-21ksoftirqd/321:00:163
4994996031,8cyclictest41-21ksoftirqd/321:25:153
4994996030,9cyclictest41-21ksoftirqd/323:45:133
4994996029,9cyclictest41-21ksoftirqd/319:35:123
4994996027,9cyclictest41-21ksoftirqd/320:50:233
4994996022,11cyclictest41-21ksoftirqd/322:50:003
4994995928,9cyclictest41-21ksoftirqd/320:35:173
4994995927,8cyclictest41-21ksoftirqd/300:30:253
4994995927,3cyclictest41-21ksoftirqd/323:10:013
4994995926,10cyclictest41-21ksoftirqd/319:55:213
4994995925,9cyclictest41-21ksoftirqd/319:30:183
4994995925,9cyclictest41-21ksoftirqd/319:30:183
4994995924,8cyclictest41-21ksoftirqd/323:50:113
4994995923,8cyclictest41-21ksoftirqd/322:00:273
4994995827,10cyclictest41-21ksoftirqd/323:20:253
4994995825,8cyclictest41-21ksoftirqd/319:25:133
4994995825,4cyclictest41-21ksoftirqd/322:36:273
4994995824,9cyclictest41-21ksoftirqd/323:15:013
214992580,4sleep10-21swapper/119:45:001
4994995725,9cyclictest41-21ksoftirqd/320:15:213
4994995720,8cyclictest41-21ksoftirqd/320:25:123
4994995626,8cyclictest41-21ksoftirqd/323:15:143
4994995521,9cyclictest41-21ksoftirqd/320:40:213
4994995520,4cyclictest41-21ksoftirqd/321:50:393
499499544,7cyclictest41-21ksoftirqd/320:55:173
4994995426,4cyclictest41-21ksoftirqd/300:05:283
4994995425,7cyclictest41-21ksoftirqd/322:21:563
4994995422,7cyclictest41-21ksoftirqd/300:25:193
4994995320,8cyclictest41-21ksoftirqd/319:20:113
499499524,7cyclictest41-21ksoftirqd/321:40:213
4994995226,3cyclictest41-21ksoftirqd/319:48:373
499499520,7cyclictest41-21ksoftirqd/323:55:193
252572510,1sleep10-21swapper/119:50:221
499499508,6cyclictest41-21ksoftirqd/322:55:003
4994995018,7cyclictest41-21ksoftirqd/322:25:153
4994995018,7cyclictest41-21ksoftirqd/322:25:153
4994995015,8cyclictest41-21ksoftirqd/321:55:013
499499493,4cyclictest41-21ksoftirqd/321:15:273
4994994932,9cyclictest41-21ksoftirqd/320:20:253
499499483,7cyclictest41-21ksoftirqd/300:15:263
499499462,7cyclictest41-21ksoftirqd/322:55:273
499499450,7cyclictest41-21ksoftirqd/321:30:133
4993994438,4cyclictest33-21ksoftirqd/220:10:002
4991994035,3cyclictest9-21ksoftirqd/020:19:590
41298400,6rtkit-daemon0-21swapper/222:07:382
4992993934,3cyclictest25-21ksoftirqd/121:55:001
4992993928,9cyclictest25-21ksoftirqd/120:30:171
4991993933,4cyclictest9-21ksoftirqd/021:05:000
4992993833,3cyclictest25-21ksoftirqd/121:25:001
4992993833,2cyclictest25-21ksoftirqd/123:54:591
4991993832,3cyclictest9-21ksoftirqd/023:00:000
4993993731,4cyclictest33-21ksoftirqd/223:22:572
4993993731,4cyclictest33-21ksoftirqd/220:02:442
4993993731,4cyclictest33-21ksoftirqd/220:02:442
4993993731,4cyclictest33-21ksoftirqd/200:30:562
4993993731,4cyclictest33-21ksoftirqd/200:30:562
4993993730,5cyclictest33-21ksoftirqd/200:22:222
4993993730,4cyclictest33-21ksoftirqd/200:16:572
4993993730,4cyclictest33-21ksoftirqd/200:10:122
4992993733,3cyclictest25-21ksoftirqd/123:20:001
4992993732,3cyclictest25-21ksoftirqd/121:40:011
4992993731,4cyclictest25-21ksoftirqd/120:07:151
4992993731,3cyclictest25-21ksoftirqd/121:00:181
4992993730,4cyclictest25-21ksoftirqd/120:13:051
4991993733,2cyclictest9-21ksoftirqd/021:55:000
4991993731,4cyclictest9-21ksoftirqd/023:16:370
4991993731,4cyclictest9-21ksoftirqd/021:27:330
4991993731,4cyclictest9-21ksoftirqd/021:15:580
4991993731,4cyclictest9-21ksoftirqd/020:56:040
4991993731,4cyclictest9-21ksoftirqd/019:15:030
4993993632,3cyclictest33-21ksoftirqd/219:50:562
4993993631,3cyclictest33-21ksoftirqd/223:46:282
4993993631,3cyclictest33-21ksoftirqd/223:03:152
4993993631,3cyclictest33-21ksoftirqd/222:50:382
4993993631,3cyclictest33-21ksoftirqd/219:10:112
4993993631,3cyclictest33-21ksoftirqd/200:02:102
4993993630,4cyclictest33-21ksoftirqd/222:20:112
4993993630,4cyclictest33-21ksoftirqd/221:48:462
4993993630,4cyclictest33-21ksoftirqd/221:44:362
4993993630,4cyclictest33-21ksoftirqd/221:39:112
4993993630,4cyclictest33-21ksoftirqd/219:55:572
4993993629,4cyclictest33-21ksoftirqd/223:15:032
4993993628,6cyclictest33-21ksoftirqd/220:46:422
4992993632,3cyclictest25-21ksoftirqd/123:00:001
4992993631,3cyclictest25-21ksoftirqd/122:25:181
4992993631,3cyclictest25-21ksoftirqd/122:25:181
4992993631,3cyclictest25-21ksoftirqd/122:21:561
4992993631,3cyclictest25-21ksoftirqd/120:20:181
4992993631,3cyclictest25-21ksoftirqd/100:05:231
4992993631,3cyclictest25003-21sh21:00:011
4992993630,4cyclictest25-21ksoftirqd/123:02:181
4992993630,4cyclictest25-21ksoftirqd/122:54:121
4992993630,4cyclictest25-21ksoftirqd/122:04:371
4992993630,4cyclictest25-21ksoftirqd/120:49:231
4991993631,3cyclictest9-21ksoftirqd/023:00:180
4991993631,3cyclictest9-21ksoftirqd/021:20:170
4991993631,3cyclictest9-21ksoftirqd/019:49:590
4991993630,4cyclictest9-21ksoftirqd/023:40:120
4991993630,4cyclictest9-21ksoftirqd/020:45:530
4991993630,4cyclictest9-21ksoftirqd/019:37:330
4991993630,3cyclictest890-21dump-pmu-power20:10:000
4993993530,3cyclictest33-21ksoftirqd/222:36:442
4993993530,3cyclictest33-21ksoftirqd/220:42:582
4993993529,4cyclictest33-21ksoftirqd/223:28:052
4993993529,4cyclictest33-21ksoftirqd/222:48:352
4993993529,4cyclictest33-21ksoftirqd/221:59:092
4993993529,3cyclictest33-21ksoftirqd/220:15:102
4992993531,2cyclictest231rcuc/121:55:251
4992993531,2cyclictest231rcuc/100:25:181
4992993530,3cyclictest25-21ksoftirqd/123:44:461
4992993530,3cyclictest25-21ksoftirqd/122:45:001
4992993529,4cyclictest25-21ksoftirqd/123:06:071
4992993529,4cyclictest25-21ksoftirqd/122:31:211
4992993529,4cyclictest25-21ksoftirqd/100:36:371
4991993530,3cyclictest9-21ksoftirqd/023:35:120
4991993530,3cyclictest9-21ksoftirqd/020:50:090
4991993530,3cyclictest9-21ksoftirqd/020:45:000
4991993529,4cyclictest9-21ksoftirqd/023:29:010
4991993529,4cyclictest9-21ksoftirqd/022:40:390
4991993529,4cyclictest9-21ksoftirqd/020:38:230
4991993529,4cyclictest9-21ksoftirqd/020:29:240
4991993529,4cyclictest9-21ksoftirqd/019:32:240
4991993529,4cyclictest9-21ksoftirqd/019:32:240
4991993529,3cyclictest9-21ksoftirqd/021:05:180
4991993528,4cyclictest9-21ksoftirqd/000:20:080
4993993429,3cyclictest33-21ksoftirqd/222:15:052
4993993429,3cyclictest33-21ksoftirqd/200:36:412
4993993428,4cyclictest33-21ksoftirqd/222:42:212
4993993428,4cyclictest33-21ksoftirqd/221:23:202
4993993428,4cyclictest33-21ksoftirqd/221:03:242
4993993428,4cyclictest33-21ksoftirqd/220:58:112
4993993428,3cyclictest33-21ksoftirqd/219:39:352
4992993430,2cyclictest25-21ksoftirqd/122:35:131
4992993429,3cyclictest29422-21irqrtprio22:15:181
4992993429,3cyclictest25-21ksoftirqd/121:40:121
4992993429,3cyclictest25-21ksoftirqd/120:40:001
4992993429,3cyclictest25-21ksoftirqd/119:35:171
4992993429,3cyclictest25-21ksoftirqd/119:31:081
4992993429,3cyclictest25-21ksoftirqd/119:31:081
4992993428,4cyclictest25-21ksoftirqd/122:07:461
4992993428,4cyclictest25-21ksoftirqd/121:30:471
4992993428,4cyclictest25-21ksoftirqd/120:42:021
4992993428,3cyclictest25-21ksoftirqd/123:25:141
4991993429,3cyclictest9-21ksoftirqd/022:00:570
4991993428,4cyclictest9-21ksoftirqd/020:23:350
4991993428,4cyclictest9-21ksoftirqd/019:44:070
4991993428,4cyclictest9-21ksoftirqd/019:27:300
4991993428,4cyclictest9-21ksoftirqd/019:10:410
4991993427,5cyclictest9-21ksoftirqd/022:11:550
4991993427,4cyclictest9-21ksoftirqd/023:21:470
4991993421,4cyclictest9-21ksoftirqd/019:55:140
4993993328,3cyclictest33-21ksoftirqd/221:14:532
4993993328,3cyclictest33-21ksoftirqd/219:24:322
4993993328,3cyclictest33-21ksoftirqd/219:19:322
4993993327,4cyclictest33-21ksoftirqd/219:41:042
4993993327,3cyclictest33-21ksoftirqd/223:33:352
4993993325,6cyclictest33-21ksoftirqd/221:33:332
4992993328,3cyclictest25-21ksoftirqd/123:40:011
4992993328,3cyclictest25-21ksoftirqd/121:25:181
4992993328,3cyclictest25-21ksoftirqd/121:14:101
4992993328,3cyclictest25-21ksoftirqd/100:15:001
4992993327,4cyclictest25-21ksoftirqd/123:56:341
4992993327,4cyclictest25-21ksoftirqd/123:48:221
4992993327,4cyclictest25-21ksoftirqd/122:13:441
4992993327,4cyclictest25-21ksoftirqd/100:03:591
4991993328,3cyclictest9-21ksoftirqd/022:30:120
4991993328,3cyclictest9-21ksoftirqd/020:05:010
4991993328,3cyclictest9-21ksoftirqd/020:05:010
4991993328,3cyclictest9-21ksoftirqd/000:13:420
4991993327,4cyclictest9-21ksoftirqd/023:12:000
4991993327,4cyclictest9-21ksoftirqd/023:06:100
4991993327,4cyclictest9-21ksoftirqd/022:54:430
4991993327,4cyclictest9-21ksoftirqd/000:16:470
4991993327,4cyclictest9-21ksoftirqd/000:04:270
4991993326,4cyclictest9-21ksoftirqd/022:39:060
4993993227,3cyclictest33-21ksoftirqd/222:26:372
4993993227,3cyclictest33-21ksoftirqd/222:26:372
4993993227,3cyclictest33-21ksoftirqd/221:16:402
4993993227,3cyclictest33-21ksoftirqd/220:50:372
4993993226,4cyclictest33-21ksoftirqd/220:34:522
4993993226,4cyclictest33-21ksoftirqd/220:25:052
499399320,2cyclictest121rcu_preempt22:04:472
4992993228,3cyclictest25-21ksoftirqd/121:09:571
4992993228,3cyclictest25-21ksoftirqd/120:50:241
4992993228,2cyclictest25-21ksoftirqd/121:50:001
4992993227,3cyclictest25-21ksoftirqd/123:12:561
4992993227,3cyclictest25-21ksoftirqd/122:45:171
4992993227,3cyclictest25-21ksoftirqd/120:00:001
4992993227,3cyclictest25-21ksoftirqd/119:20:161
4992993226,4cyclictest25-21ksoftirqd/123:20:591
4992993226,4cyclictest25-21ksoftirqd/119:19:421
4992993226,4cyclictest25-21ksoftirqd/100:15:071
4992993224,3cyclictest25-21ksoftirqd/120:00:141
4992993224,3cyclictest25-21ksoftirqd/120:00:141
4991993227,3cyclictest9-21ksoftirqd/021:42:580
4991993227,3cyclictest9-21ksoftirqd/020:15:000
4991993226,4cyclictest9-21ksoftirqd/000:26:090
4993993126,3cyclictest33-21ksoftirqd/223:54:062
4993993126,3cyclictest33-21ksoftirqd/221:26:052
4993993126,3cyclictest33-21ksoftirqd/200:27:572
4993993126,3cyclictest33-21ksoftirqd/200:09:472
4993993125,4cyclictest33-21ksoftirqd/219:27:082
4992993127,2cyclictest25-21ksoftirqd/120:15:171
4992993126,3cyclictest25-21ksoftirqd/123:33:151
4992993126,3cyclictest25-21ksoftirqd/120:25:131
4991993126,3cyclictest9-21ksoftirqd/022:29:550
4991993126,3cyclictest9-21ksoftirqd/022:29:550
4991993126,3cyclictest9-21ksoftirqd/021:59:270
4991993126,3cyclictest9-21ksoftirqd/019:52:010
4991993125,4cyclictest9-21ksoftirqd/021:47:510
4991993125,4cyclictest9-21ksoftirqd/000:36:350
4993993025,3cyclictest33-21ksoftirqd/223:00:002
4993993024,4cyclictest33-21ksoftirqd/219:30:052
4993993024,4cyclictest33-21ksoftirqd/219:30:052
4992993025,3cyclictest25-21ksoftirqd/100:31:131
4992993025,3cyclictest25-21ksoftirqd/100:31:131
4992993025,3cyclictest25-21ksoftirqd/100:20:191
4991993025,3cyclictest9-21ksoftirqd/023:50:180
4991993025,3cyclictest9-21ksoftirqd/023:30:170
4991993025,3cyclictest9-21ksoftirqd/022:15:190
4991993025,3cyclictest9-21ksoftirqd/020:31:300
4991993024,4cyclictest9-21ksoftirqd/021:35:000
4993992923,4cyclictest33-21ksoftirqd/223:41:102
4993992923,4cyclictest33-21ksoftirqd/222:31:542
4993992923,4cyclictest33-21ksoftirqd/222:11:482
4993992923,3cyclictest33-21ksoftirqd/223:35:512
4993992922,5cyclictest33-21ksoftirqd/223:13:062
4991992924,3cyclictest9-21ksoftirqd/023:45:370
4991992923,4cyclictest9-21ksoftirqd/022:07:050
4993992823,3cyclictest33-21ksoftirqd/221:52:152
4993992822,4cyclictest33-21ksoftirqd/223:58:032
4993992822,4cyclictest33-21ksoftirqd/223:07:282
4993992822,4cyclictest33-21ksoftirqd/220:12:422
4992992823,3cyclictest25-21ksoftirqd/121:15:231
4991992824,3cyclictest9-21ksoftirqd/000:30:230
4991992824,3cyclictest9-21ksoftirqd/000:30:230
4991992823,3cyclictest9-21ksoftirqd/021:35:140
4991992822,4cyclictest9-21ksoftirqd/023:57:050
4992992722,3cyclictest25-21ksoftirqd/119:46:381
4993992621,3cyclictest33-21ksoftirqd/219:45:282
4992992621,3cyclictest25-21ksoftirqd/119:15:011
4993992520,3cyclictest33-21ksoftirqd/221:05:132
4993992520,3cyclictest33-21ksoftirqd/220:21:282
4991992521,3cyclictest9-21ksoftirqd/022:49:590
4991992420,2cyclictest9-21ksoftirqd/021:10:180
4993992318,3cyclictest33-21ksoftirqd/220:36:262
4991992217,3cyclictest9-21ksoftirqd/022:20:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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