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2025-12-11 - 07:25
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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 rackdslot4.osadl.org (updated Thu Dec 11, 2025 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
287192215148,22sleep00-21swapper/019:06:140
287472204170,22sleep10-21swapper/119:06:341
369982030,114rtkit-daemon0-21swapper/219:08:272
286552202167,23sleep30-21swapper/319:05:313
2239721490,4sleep32930799cyclictest20:00:163
2268021430,5sleep22930699cyclictest20:00:182
29306997237,4cyclictest33-21ksoftirqd/220:25:012
427291710,1ptp4l401ktimersoftd/322:30:263
29306996727,7cyclictest33-21ksoftirqd/223:40:002
427291640,1ptp4l401ktimersoftd/323:45:393
29306996423,7cyclictest33-21ksoftirqd/219:39:592
150092640,4sleep30-21swapper/321:55:133
150092640,4sleep30-21swapper/321:55:133
29306996231,4cyclictest33-21ksoftirqd/219:40:162
29306996225,5cyclictest33-21ksoftirqd/220:25:212
36998610,2rtkit-daemon368-21rtkit-daemon23:12:350
36998610,2rtkit-daemon368-21rtkit-daemon23:12:350
29306996130,3cyclictest33-21ksoftirqd/221:05:232
29306996031,7cyclictest33-21ksoftirqd/223:45:182
29306996029,3cyclictest33-21ksoftirqd/200:30:142
29306996027,9cyclictest33-21ksoftirqd/223:00:002
29306996026,5cyclictest33-21ksoftirqd/219:45:222
29306996024,3cyclictest33-21ksoftirqd/220:40:232
29306996024,3cyclictest33-21ksoftirqd/220:40:232
29306996023,10cyclictest33-21ksoftirqd/220:05:112
29306995929,3cyclictest33-21ksoftirqd/222:32:112
29306995927,4cyclictest33-21ksoftirqd/220:50:152
29306995926,4cyclictest33-21ksoftirqd/223:10:002
29306995926,4cyclictest33-21ksoftirqd/220:35:262
29306995926,4cyclictest33-21ksoftirqd/200:10:142
29306995923,3cyclictest33-21ksoftirqd/223:50:192
29306995922,4cyclictest33-21ksoftirqd/221:25:142
29306995920,6cyclictest33-21ksoftirqd/222:55:002
29306995826,4cyclictest33-21ksoftirqd/220:30:192
29306995825,3cyclictest33-21ksoftirqd/222:35:192
29306995821,4cyclictest33-21ksoftirqd/219:20:262
29306995820,6cyclictest33-21ksoftirqd/221:50:002
29306995817,7cyclictest33-21ksoftirqd/222:20:252
95392570,4sleep1241ktimersoftd/122:47:231
427291570,1ptp4l401ktimersoftd/322:36:493
29306995727,4cyclictest33-21ksoftirqd/223:40:152
2901225739,10sleep20-21swapper/219:10:002
29306995621,3cyclictest33-21ksoftirqd/221:42:402
29306995619,9cyclictest33-21ksoftirqd/222:40:122
29306995619,6cyclictest33-21ksoftirqd/221:15:212
29306995520,5cyclictest33-21ksoftirqd/223:20:252
29306995516,4cyclictest33-21ksoftirqd/223:25:132
29306995510,6cyclictest33-21ksoftirqd/200:25:162
2930699549,3cyclictest33-21ksoftirqd/223:30:182
29306995419,4cyclictest33-21ksoftirqd/220:10:132
29306995418,5cyclictest33-21ksoftirqd/200:35:152
29306995417,4cyclictest33-21ksoftirqd/219:15:132
29306995410,3cyclictest33-21ksoftirqd/220:45:242
2930699538,2cyclictest33-21ksoftirqd/221:30:282
2930699537,7cyclictest33-21ksoftirqd/221:35:242
2930699536,3cyclictest33-21ksoftirqd/222:15:192
2930699535,3cyclictest33-21ksoftirqd/221:05:012
29306995326,3cyclictest33-21ksoftirqd/220:20:012
29306995321,6cyclictest33-21ksoftirqd/221:00:012
2930699528,7cyclictest33-21ksoftirqd/200:05:222
2930699528,7cyclictest33-21ksoftirqd/200:05:222
2930699517,7cyclictest33-21ksoftirqd/221:50:292
2930699517,3cyclictest33-21ksoftirqd/222:45:262
29306995119,5cyclictest33-21ksoftirqd/219:30:142
29306995118,5cyclictest33-21ksoftirqd/200:20:152
29306995116,5cyclictest33-21ksoftirqd/221:20:282
427291500,1ptp4l401ktimersoftd/300:02:123
2930699507,2cyclictest33-21ksoftirqd/222:10:162
2930699506,2cyclictest33-21ksoftirqd/219:30:002
2930699504,7cyclictest33-21ksoftirqd/223:00:262
2930699504,2cyclictest33-21ksoftirqd/222:00:202
29306995019,10cyclictest33-21ksoftirqd/223:55:382
2930699497,6cyclictest33-21ksoftirqd/219:50:122
2930699486,6cyclictest33-21ksoftirqd/200:00:132
2930699483,3cyclictest33-21ksoftirqd/221:55:152
2930699483,3cyclictest33-21ksoftirqd/221:55:142
29306994822,3cyclictest33-21ksoftirqd/200:19:132
29306994811,5cyclictest33-21ksoftirqd/223:14:472
29306994811,5cyclictest33-21ksoftirqd/223:14:472
427291470,0ptp4l401ktimersoftd/319:55:163
427291470,0ptp4l401ktimersoftd/319:55:153
2930699474,2cyclictest33-21ksoftirqd/222:06:582
2930699461,6cyclictest33-21ksoftirqd/221:11:242
2930699461,5cyclictest33-21ksoftirqd/222:25:142
29305994639,4cyclictest4394-21sshd21:31:301
29306994513,6cyclictest33-21ksoftirqd/219:55:152
29306994513,6cyclictest33-21ksoftirqd/219:55:152
29304994437,4cyclictest9-21ksoftirqd/020:05:000
427291430,0ptp4l401ktimersoftd/320:23:283
29307994338,3cyclictest41-21ksoftirqd/320:50:013
427291420,0ptp4l401ktimersoftd/323:03:233
29307994134,4cyclictest41-21ksoftirqd/321:38:373
29304994134,3cyclictest9-21ksoftirqd/000:10:010
29307994035,3cyclictest41-21ksoftirqd/323:00:003
29307994034,4cyclictest41-21ksoftirqd/321:11:003
29306994034,4cyclictest33-21ksoftirqd/223:15:272
29307993933,4cyclictest41-21ksoftirqd/320:08:463
29307993933,4cyclictest41-21ksoftirqd/319:51:213
29307993932,4cyclictest41-21ksoftirqd/321:51:333
29307993932,4cyclictest41-21ksoftirqd/319:40:053
29305993934,3cyclictest19762-21sh22:05:001
29305993933,4cyclictest25-21ksoftirqd/120:37:281
29304993935,2cyclictest9-21ksoftirqd/023:20:000
29304993934,3cyclictest11999-21cron20:45:000
29304993934,3cyclictest11999-21cron20:45:000
29307993833,3cyclictest41-21ksoftirqd/323:54:173
29307993833,3cyclictest41-21ksoftirqd/322:05:203
29307993833,3cyclictest41-21ksoftirqd/319:20:213
29307993832,4cyclictest41-21ksoftirqd/322:25:023
29307993832,4cyclictest41-21ksoftirqd/322:17:123
29307993832,4cyclictest41-21ksoftirqd/320:16:523
29307993832,4cyclictest41-21ksoftirqd/319:31:033
29307993832,3cyclictest41-21ksoftirqd/319:39:593
29307993831,4cyclictest41-21ksoftirqd/321:30:013
29307993830,4cyclictest41-21ksoftirqd/320:55:003
29305993832,4cyclictest25-21ksoftirqd/123:03:441
29305993832,4cyclictest25-21ksoftirqd/121:23:221
29305993832,4cyclictest25-21ksoftirqd/121:02:401
29305993832,4cyclictest25-21ksoftirqd/120:01:111
29305993832,4cyclictest25-21ksoftirqd/100:36:481
29305993832,4cyclictest25-21ksoftirqd/100:05:101
29305993832,4cyclictest25-21ksoftirqd/100:05:101
29305993831,4cyclictest25-21ksoftirqd/121:52:471
29304993833,2cyclictest9-21ksoftirqd/021:00:000
29304993832,4cyclictest9-21ksoftirqd/023:31:510
29304993832,4cyclictest9-21ksoftirqd/022:52:480
29304993832,4cyclictest9-21ksoftirqd/019:28:590
29304993831,3cyclictest9-21ksoftirqd/021:00:200
29307993732,3cyclictest41-21ksoftirqd/323:15:243
29307993731,4cyclictest41-21ksoftirqd/322:51:303
29307993731,4cyclictest41-21ksoftirqd/321:41:453
29307993731,4cyclictest41-21ksoftirqd/320:59:533
29307993731,4cyclictest41-21ksoftirqd/320:26:133
29307993731,4cyclictest41-21ksoftirqd/300:08:133
29307993731,4cyclictest41-21ksoftirqd/300:08:123
29307993731,3cyclictest41-21ksoftirqd/323:30:183
29307993731,3cyclictest41-21ksoftirqd/322:45:193
29307993730,4cyclictest41-21ksoftirqd/323:55:333
29307993730,4cyclictest41-21ksoftirqd/321:18:063
29307993730,4cyclictest41-21ksoftirqd/320:32:293
29305993731,4cyclictest25-21ksoftirqd/122:54:061
29305993731,4cyclictest25-21ksoftirqd/121:57:241
29305993731,4cyclictest25-21ksoftirqd/121:57:241
29305993731,4cyclictest25-21ksoftirqd/120:40:581
29305993731,4cyclictest25-21ksoftirqd/120:40:581
29305993731,4cyclictest25-21ksoftirqd/120:07:081
29305993731,4cyclictest25-21ksoftirqd/100:23:071
29305993731,3cyclictest25-21ksoftirqd/119:24:561
29304993733,3cyclictest9-21ksoftirqd/022:55:200
29304993732,3cyclictest9-21ksoftirqd/019:40:000
29304993732,3cyclictest9-21ksoftirqd/019:25:000
29304993732,3cyclictest9-21ksoftirqd/000:40:000
29304993731,4cyclictest9-21ksoftirqd/023:57:470
29304993731,4cyclictest9-21ksoftirqd/021:38:420
29304993731,4cyclictest9-21ksoftirqd/020:15:340
29304993731,3cyclictest9-21ksoftirqd/021:30:000
29304993731,3cyclictest7278-21cron22:45:000
29304993730,4cyclictest9-21ksoftirqd/022:45:500
29307993631,3cyclictest41-21ksoftirqd/300:20:203
29307993630,4cyclictest41-21ksoftirqd/323:43:503
29307993630,4cyclictest41-21ksoftirqd/322:23:143
29307993630,4cyclictest41-21ksoftirqd/321:47:393
29307993630,4cyclictest41-21ksoftirqd/300:28:233
29307993629,4cyclictest41-21ksoftirqd/319:29:113
29305993630,4cyclictest25-21ksoftirqd/123:20:131
29305993630,4cyclictest25-21ksoftirqd/123:16:321
29305993630,4cyclictest25-21ksoftirqd/122:14:451
29305993630,4cyclictest25-21ksoftirqd/120:33:191
29305993630,4cyclictest25-21ksoftirqd/120:12:331
29305993629,4cyclictest25-21ksoftirqd/121:37:221
29304993632,3cyclictest9-21ksoftirqd/020:50:190
29304993630,4cyclictest9-21ksoftirqd/019:17:520
29304993630,3cyclictest9-21ksoftirqd/023:25:010
29304993629,5cyclictest9-21ksoftirqd/020:36:390
29304993629,5cyclictest9-21ksoftirqd/020:21:520
29304993629,4cyclictest9-21ksoftirqd/021:30:590
29307993531,3cyclictest41-21ksoftirqd/323:10:193
29307993531,3cyclictest41-21ksoftirqd/323:10:193
29307993530,3cyclictest41-21ksoftirqd/323:40:003
29307993530,3cyclictest41-21ksoftirqd/322:00:123
29307993530,3cyclictest41-21ksoftirqd/320:35:193
29307993529,4cyclictest41-21ksoftirqd/320:10:213
29307993528,4cyclictest41-21ksoftirqd/319:47:153
29305993530,3cyclictest25-21ksoftirqd/122:58:411
29305993530,3cyclictest25-21ksoftirqd/122:06:381
29305993529,4cyclictest25-21ksoftirqd/123:42:591
29305993529,4cyclictest25-21ksoftirqd/123:38:301
29305993529,4cyclictest25-21ksoftirqd/121:15:401
29305993529,4cyclictest25-21ksoftirqd/120:24:531
29305993529,4cyclictest25-21ksoftirqd/120:15:021
29305993529,4cyclictest25-21ksoftirqd/119:37:311
29305993529,4cyclictest25-21ksoftirqd/119:16:011
29305993529,4cyclictest25-21ksoftirqd/100:11:521
29305993528,4cyclictest25-21ksoftirqd/123:51:181
29305993528,4cyclictest25-21ksoftirqd/121:49:541
29305993528,4cyclictest25-21ksoftirqd/121:41:271
29304993530,3cyclictest9-21ksoftirqd/023:45:000
29304993530,3cyclictest9-21ksoftirqd/023:40:000
29304993530,3cyclictest9-21ksoftirqd/022:02:210
29304993530,3cyclictest9-21ksoftirqd/021:15:010
29304993529,4cyclictest9-21ksoftirqd/020:25:450
29304993529,4cyclictest9-21ksoftirqd/020:06:140
29307993430,3cyclictest41-21ksoftirqd/300:35:203
29307993429,3cyclictest41-21ksoftirqd/323:23:413
29307993429,3cyclictest41-21ksoftirqd/320:45:013
29307993429,3cyclictest41-21ksoftirqd/320:45:013
29307993429,3cyclictest41-21ksoftirqd/300:18:523
29307993428,4cyclictest41-21ksoftirqd/322:44:563
29307993428,4cyclictest41-21ksoftirqd/321:07:033
29307993428,3cyclictest41-21ksoftirqd/300:10:193
29305993429,3cyclictest25-21ksoftirqd/122:16:371
29305993429,3cyclictest25-21ksoftirqd/121:07:561
29305993429,3cyclictest25-21ksoftirqd/100:02:521
29304993429,3cyclictest9-21ksoftirqd/021:09:530
29304993429,3cyclictest9-21ksoftirqd/020:46:180
29304993428,4cyclictest9-21ksoftirqd/000:32:330
29304993428,4cyclictest9-21ksoftirqd/000:20:380
29307993328,3cyclictest41-21ksoftirqd/323:25:193
29307993328,3cyclictest41-21ksoftirqd/323:05:123
29307993328,3cyclictest41-21ksoftirqd/322:11:153
29307993328,3cyclictest41-21ksoftirqd/300:32:393
29307993327,4cyclictest41-21ksoftirqd/321:01:013
29305993329,3cyclictest25-21ksoftirqd/119:26:031
29305993328,3cyclictest25-21ksoftirqd/123:05:201
29305993328,3cyclictest25-21ksoftirqd/121:12:391
29305993328,3cyclictest25-21ksoftirqd/119:42:471
29305993327,4cyclictest25-21ksoftirqd/123:25:421
29305993327,4cyclictest25-21ksoftirqd/119:48:261
29305993327,4cyclictest25-21ksoftirqd/100:32:181
29305993327,4cyclictest25-21ksoftirqd/100:16:301
29304993328,3cyclictest9-21ksoftirqd/023:55:000
29304993328,3cyclictest9-21ksoftirqd/023:05:000
29304993328,3cyclictest9-21ksoftirqd/022:34:240
29304993328,3cyclictest9-21ksoftirqd/021:25:010
29304993328,3cyclictest9-21ksoftirqd/021:20:000
29304993328,3cyclictest9-21ksoftirqd/020:30:260
29304993328,3cyclictest9-21ksoftirqd/019:10:190
29304993328,3cyclictest9-21ksoftirqd/000:14:520
29304993327,4cyclictest9-21ksoftirqd/022:25:400
29304993327,4cyclictest9-21ksoftirqd/019:52:270
29304993327,4cyclictest9-21ksoftirqd/019:32:520
29304993327,4cyclictest9-21ksoftirqd/000:09:550
29307993227,3cyclictest41-21ksoftirqd/319:10:183
29307993226,4cyclictest41-21ksoftirqd/319:16:073
29305993227,3cyclictest25-21ksoftirqd/122:24:391
29305993226,4cyclictest25-21ksoftirqd/120:46:401
29305993225,4cyclictest25-21ksoftirqd/122:27:291
29304993227,3cyclictest9-21ksoftirqd/019:50:000
29304993227,3cyclictest9-21ksoftirqd/000:15:120
29304993216,5cyclictest9-21ksoftirqd/022:00:010
29304993216,5cyclictest9-21ksoftirqd/022:00:000
29307993125,4cyclictest41-21ksoftirqd/321:22:323
29305993126,3cyclictest25-21ksoftirqd/119:10:051
29305993126,3cyclictest25-21ksoftirqd/100:27:151
29305993125,4cyclictest25-21ksoftirqd/122:40:051
29304993126,3cyclictest9-21ksoftirqd/023:45:130
29304993126,3cyclictest9-21ksoftirqd/000:25:290
29304993125,4cyclictest9-21ksoftirqd/022:11:510
29304993125,4cyclictest9-21ksoftirqd/020:14:000
29304993125,4cyclictest9-21ksoftirqd/000:05:000
29305993024,4cyclictest25-21ksoftirqd/122:32:391
29305993024,4cyclictest25-21ksoftirqd/121:26:481
29305993024,4cyclictest25-21ksoftirqd/120:59:151
29305993024,4cyclictest25-21ksoftirqd/120:53:291
29304993025,3cyclictest9-21ksoftirqd/022:23:430
29304993025,3cyclictest9-21ksoftirqd/019:40:130
29304993024,4cyclictest9-21ksoftirqd/021:54:390
29304993024,4cyclictest9-21ksoftirqd/021:41:340
29307992924,3cyclictest41-21ksoftirqd/321:31:483
29304992924,3cyclictest9-21ksoftirqd/023:10:000
29304992923,3cyclictest9-21ksoftirqd/021:45:160
29305992823,3cyclictest25-21ksoftirqd/123:56:031
29304992823,3cyclictest9-21ksoftirqd/022:35:130
29305992721,4cyclictest25-21ksoftirqd/123:14:271
29305992721,4cyclictest25-21ksoftirqd/123:14:271
29305992721,4cyclictest25-21ksoftirqd/119:56:371
29305992721,4cyclictest25-21ksoftirqd/119:56:361
29305992721,3cyclictest25-21ksoftirqd/120:26:181
29305992621,3cyclictest25-21ksoftirqd/119:30:271
29305992620,4cyclictest25-21ksoftirqd/123:46:041
29305992620,4cyclictest25-21ksoftirqd/122:38:401
29304992621,3cyclictest9-21ksoftirqd/019:55:150
29304992621,3cyclictest9-21ksoftirqd/019:55:140
29304992520,3cyclictest9-21ksoftirqd/022:05:140
29304992419,3cyclictest9-21ksoftirqd/023:25:140
29304992419,3cyclictest9-21ksoftirqd/022:20:000
29305992014,4cyclictest18508-21sendmail_mailqu19:50:211
29305991812,4cyclictest30139-21wc23:30:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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