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2026-09-22 - 13:08
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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 Tue Sep 22, 2026 00:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
168762202169,22sleep10-21swapper/119:06:491
138591202167,23phc2sys0-21swapper/319:06:113
169902200168,21sleep20-21swapper/219:08:142
168872199165,22sleep00-21swapper/019:06:550
1739421690,4sleep00-21swapper/019:10:010
171262160122,13sleep30-21swapper/319:10:003
27452630,8sleep21742099cyclictest19:45:132
70792610,6sleep31742199cyclictest00:15:013
306642570,6sleep21742099cyclictest22:50:202
279942540,2sleep20-21swapper/223:50:202
77312490,6sleep21742099cyclictest21:00:152
325342490,2sleep00-21swapper/019:40:140
325342490,2sleep00-21swapper/019:40:140
138491440,0ptp4l401ktimersoftd/322:45:123
138491440,0ptp4l401ktimersoftd/319:50:573
138491430,0ptp4l401ktimersoftd/321:04:343
138491430,0ptp4l401ktimersoftd/320:48:383
138491430,0ptp4l401ktimersoftd/319:55:193
138491430,0ptp4l401ktimersoftd/319:35:483
17420994237,3cyclictest420-21rs:main2
17420994213,5cyclictest33-21ksoftirqd/221:55:222
50798410,1rtkit-daemon506-21rtkit-daemon00:00:301
17420994128,10cyclictest33-21ksoftirqd/221:15:242
138491410,0ptp4l401ktimersoftd/323:15:283
138491410,0ptp4l401ktimersoftd/319:20:273
138491410,0ptp4l401ktimersoftd/300:25:013
1742099409,4cyclictest33-21ksoftirqd/222:30:222
17420994029,9cyclictest33-21ksoftirqd/220:05:262
17420994017,10cyclictest33-21ksoftirqd/219:10:142
1741999400,1cyclictest0-21swapper/123:15:131
17421993910,28cyclictest28772-21kworker/3:223:13:433
1741999390,37cyclictest0-21swapper/120:50:241
1742099389,3cyclictest33-21ksoftirqd/220:55:202
1742099387,4cyclictest33-21ksoftirqd/200:00:012
1742099385,6cyclictest33-21ksoftirqd/220:15:232
17420993835,2cyclictest33-21ksoftirqd/222:30:002
17420993835,2cyclictest33-21ksoftirqd/200:40:002
17420993833,3cyclictest33-21ksoftirqd/222:10:262
17420993832,4cyclictest33-21ksoftirqd/220:36:322
17420993831,4cyclictest33-21ksoftirqd/221:32:442
17420993811,3cyclictest33-21ksoftirqd/222:40:272
17418993831,4cyclictest9-21ksoftirqd/019:45:110
1742199373,16cyclictest4643-21cat00:10:013
1742099373,3cyclictest33-21ksoftirqd/222:15:242
17420993732,3cyclictest33-21ksoftirqd/223:20:002
17420993732,3cyclictest33-21ksoftirqd/220:50:002
17420993732,3cyclictest33-21ksoftirqd/220:10:032
17420993732,3cyclictest33-21ksoftirqd/219:45:012
17420993732,3cyclictest33-21ksoftirqd/219:45:012
17420993731,3cyclictest33-21ksoftirqd/221:05:122
17420993728,7cyclictest33-21ksoftirqd/221:25:122
1742099371,9cyclictest33-21ksoftirqd/200:15:282
1742099371,5cyclictest33-21ksoftirqd/223:05:002
1741999370,36cyclictest0-21swapper/122:05:231
17418993731,4cyclictest9-21ksoftirqd/021:38:400
17418993731,3cyclictest9-21ksoftirqd/022:50:000
138491370,0ptp4l401ktimersoftd/323:35:253
17421993630,4cyclictest41-21ksoftirqd/322:29:263
17421993630,4cyclictest41-21ksoftirqd/320:53:013
17421993630,4cyclictest41-21ksoftirqd/320:36:523
17421993630,4cyclictest41-21ksoftirqd/320:08:483
17420993632,2cyclictest33-21ksoftirqd/219:25:242
17420993631,3cyclictest33-21ksoftirqd/222:47:202
17420993631,3cyclictest33-21ksoftirqd/222:25:012
17420993631,3cyclictest33-21ksoftirqd/219:35:002
17420993631,2cyclictest33-21ksoftirqd/223:40:002
17420993630,4cyclictest33-21ksoftirqd/200:13:352
1742099361,7cyclictest33-21ksoftirqd/220:25:202
1742099361,3cyclictest33-21ksoftirqd/223:20:172
1742099361,2cyclictest33-21ksoftirqd/220:50:232
1742099361,10cyclictest33-21ksoftirqd/223:05:272
17419993630,4cyclictest25-21ksoftirqd/122:53:311
17419993630,4cyclictest25-21ksoftirqd/122:26:191
17419993630,4cyclictest25-21ksoftirqd/120:44:541
17419993630,4cyclictest25-21ksoftirqd/120:17:541
17418993630,4cyclictest9-21ksoftirqd/023:56:240
17418993630,4cyclictest9-21ksoftirqd/022:01:550
17418993630,4cyclictest9-21ksoftirqd/021:52:170
17418993630,4cyclictest9-21ksoftirqd/020:36:340
17418993630,4cyclictest9-21ksoftirqd/019:52:480
17418993629,5cyclictest9-21ksoftirqd/000:33:550
17421993529,4cyclictest41-21ksoftirqd/323:54:273
17421993529,4cyclictest41-21ksoftirqd/323:00:033
17421993529,4cyclictest41-21ksoftirqd/321:22:503
17421993529,4cyclictest41-21ksoftirqd/320:44:243
17421993529,4cyclictest41-21ksoftirqd/320:14:223
17421993529,4cyclictest41-21ksoftirqd/320:03:593
1742199352,16cyclictest7125-21cat22:05:013
17420993531,2cyclictest33-21ksoftirqd/200:30:172
17420993531,2cyclictest33-21ksoftirqd/200:20:142
17420993530,3cyclictest33-21ksoftirqd/223:30:002
17420993530,3cyclictest33-21ksoftirqd/222:00:122
17420993530,3cyclictest33-21ksoftirqd/221:41:242
17420993530,3cyclictest33-21ksoftirqd/221:41:242
17420993530,3cyclictest33-21ksoftirqd/200:06:412
17420993529,4cyclictest33-21ksoftirqd/222:05:422
17420993529,4cyclictest33-21ksoftirqd/219:24:352
17420993529,4cyclictest33-21ksoftirqd/219:17:292
1742099351,4cyclictest33-21ksoftirqd/220:30:152
17419993530,3cyclictest25-21ksoftirqd/100:37:161
17419993529,4cyclictest25-21ksoftirqd/123:42:531
17419993529,4cyclictest25-21ksoftirqd/123:25:111
17419993529,4cyclictest25-21ksoftirqd/123:05:461
17419993529,4cyclictest25-21ksoftirqd/121:37:281
17419993529,4cyclictest25-21ksoftirqd/100:30:311
17418993529,4cyclictest9-21ksoftirqd/020:48:090
17418993529,4cyclictest9-21ksoftirqd/020:07:420
17418993529,4cyclictest9-21ksoftirqd/019:23:330
17418993529,3cyclictest9-21ksoftirqd/023:20:210
17418993528,5cyclictest9-21ksoftirqd/022:58:520
17421993429,3cyclictest41-21ksoftirqd/322:20:233
17421993429,3cyclictest41-21ksoftirqd/321:55:113
17421993428,4cyclictest41-21ksoftirqd/322:07:123
17421993428,4cyclictest41-21ksoftirqd/320:16:273
17421993428,4cyclictest41-21ksoftirqd/300:17:053
17421993427,4cyclictest41-21ksoftirqd/323:40:103
17421993416,4cyclictest41-21ksoftirqd/323:26:503
1742099344,3cyclictest121rcu_preempt21:35:162
1742099344,2cyclictest121rcu_preempt20:40:212
17420993429,3cyclictest33-21ksoftirqd/222:35:132
17420993429,3cyclictest33-21ksoftirqd/221:45:182
17420993429,2cyclictest33-21ksoftirqd/221:15:002
17420993428,4cyclictest33-21ksoftirqd/220:01:142
17419993429,3cyclictest25-21ksoftirqd/121:21:061
17419993428,4cyclictest25-21ksoftirqd/100:29:071
17418993428,4cyclictest9-21ksoftirqd/023:12:230
17418993428,4cyclictest9-21ksoftirqd/022:37:170
17418993428,4cyclictest9-21ksoftirqd/021:31:550
17418993428,4cyclictest9-21ksoftirqd/020:31:130
17418993428,4cyclictest9-21ksoftirqd/020:18:040
17418993428,4cyclictest9-21ksoftirqd/000:24:160
17418993427,4cyclictest9-21ksoftirqd/023:28:560
17421993328,3cyclictest41-21ksoftirqd/321:52:003
17421993328,3cyclictest41-21ksoftirqd/321:28:213
17421993327,4cyclictest41-21ksoftirqd/323:48:093
17421993327,4cyclictest41-21ksoftirqd/322:58:543
17421993327,4cyclictest41-21ksoftirqd/322:32:403
17421993327,4cyclictest41-21ksoftirqd/322:17:343
17421993327,4cyclictest41-21ksoftirqd/319:34:033
17421993327,4cyclictest41-21ksoftirqd/300:39:123
17421993327,4cyclictest41-21ksoftirqd/300:33:383
1742099335,2cyclictest33-21ksoftirqd/221:20:252
17420993329,3cyclictest33-21ksoftirqd/200:00:272
17420993328,3cyclictest33-21ksoftirqd/223:40:222
17420993328,3cyclictest33-21ksoftirqd/223:00:012
17420993328,3cyclictest33-21ksoftirqd/219:35:162
17420993327,4cyclictest33-21ksoftirqd/220:21:312
17420993327,3cyclictest33-21ksoftirqd/223:50:002
17419993327,4cyclictest25-21ksoftirqd/123:23:071
17419993327,4cyclictest25-21ksoftirqd/122:12:201
17419993327,4cyclictest25-21ksoftirqd/121:55:131
17419993327,4cyclictest25-21ksoftirqd/120:55:441
17419993327,4cyclictest25-21ksoftirqd/120:49:431
17419993327,4cyclictest25-21ksoftirqd/120:04:451
17419993327,4cyclictest25-21ksoftirqd/119:11:171
17419993327,4cyclictest25-21ksoftirqd/100:12:261
17419993326,5cyclictest25-21ksoftirqd/121:11:051
17419993326,4cyclictest25-21ksoftirqd/121:41:381
17419993326,4cyclictest25-21ksoftirqd/121:41:381
17418993328,3cyclictest9-21ksoftirqd/000:30:000
17418993328,3cyclictest9-21ksoftirqd/000:07:130
17418993327,4cyclictest9-21ksoftirqd/023:32:570
17418993327,4cyclictest9-21ksoftirqd/022:24:060
17418993327,4cyclictest9-21ksoftirqd/021:01:420
17418993327,4cyclictest9-21ksoftirqd/020:42:070
17418993327,4cyclictest9-21ksoftirqd/019:29:020
17418993326,4cyclictest9-21ksoftirqd/022:25:050
17421993227,3cyclictest41-21ksoftirqd/322:14:063
17421993226,4cyclictest41-21ksoftirqd/322:51:083
17421993226,4cyclictest41-21ksoftirqd/322:39:463
17421993226,4cyclictest41-21ksoftirqd/319:27:413
17420993228,2cyclictest33-21ksoftirqd/219:50:122
17420993227,3cyclictest33-21ksoftirqd/223:30:402
17420993227,3cyclictest33-21ksoftirqd/219:55:112
17420993226,4cyclictest33-21ksoftirqd/200:28:242
17419993227,3cyclictest25-21ksoftirqd/123:56:461
17419993227,3cyclictest25-21ksoftirqd/123:45:261
17419993227,3cyclictest25-21ksoftirqd/122:49:371
17419993227,3cyclictest25-21ksoftirqd/122:32:191
17419993226,4cyclictest25-21ksoftirqd/123:34:071
17419993226,4cyclictest25-21ksoftirqd/121:00:091
17419993226,4cyclictest25-21ksoftirqd/120:10:551
17419993226,4cyclictest25-21ksoftirqd/119:51:341
17419993225,5cyclictest25-21ksoftirqd/100:15:071
17418993227,3cyclictest9-21ksoftirqd/022:34:120
17418993227,3cyclictest9-21ksoftirqd/020:24:540
17418993226,4cyclictest9-21ksoftirqd/023:38:350
17418993226,4cyclictest9-21ksoftirqd/022:12:010
17418993226,4cyclictest9-21ksoftirqd/021:46:180
17418993226,4cyclictest9-21ksoftirqd/021:15:100
17418993226,4cyclictest9-21ksoftirqd/020:57:120
17418993226,4cyclictest9-21ksoftirqd/020:54:070
17418993226,4cyclictest9-21ksoftirqd/020:02:590
17418993226,4cyclictest9-21ksoftirqd/019:59:180
17418993226,4cyclictest9-21ksoftirqd/019:33:230
17418993226,4cyclictest9-21ksoftirqd/000:15:350
17418993226,4cyclictest9-21ksoftirqd/000:13:050
17421993126,3cyclictest41-21ksoftirqd/321:41:403
17421993126,3cyclictest41-21ksoftirqd/321:41:403
17421993126,3cyclictest41-21ksoftirqd/319:48:193
17420993126,3cyclictest33-21ksoftirqd/223:10:152
17419993126,3cyclictest25-21ksoftirqd/120:31:521
17419993126,3cyclictest25-21ksoftirqd/120:23:401
17419993125,4cyclictest25-21ksoftirqd/123:01:491
17419993125,4cyclictest25-21ksoftirqd/120:39:231
17419993125,4cyclictest25-21ksoftirqd/120:26:321
17419993124,5cyclictest25-21ksoftirqd/100:24:581
17418993125,4cyclictest9-21ksoftirqd/022:06:160
17418993125,3cyclictest9-21ksoftirqd/023:05:300
17421993025,3cyclictest41-21ksoftirqd/321:36:433
17421993024,4cyclictest41-21ksoftirqd/323:24:143
17421993024,4cyclictest41-21ksoftirqd/321:15:413
17419993025,3cyclictest25-21ksoftirqd/123:37:191
17419993024,4cyclictest25-21ksoftirqd/122:59:161
17419993024,4cyclictest25-21ksoftirqd/122:44:261
17419993024,4cyclictest25-21ksoftirqd/121:48:441
17419993024,4cyclictest25-21ksoftirqd/121:06:471
17419993024,4cyclictest25-21ksoftirqd/119:55:151
17419993023,5cyclictest25-21ksoftirqd/121:18:041
17418993025,3cyclictest9-21ksoftirqd/022:51:010
17418993025,3cyclictest9-21ksoftirqd/020:25:110
17418993024,4cyclictest9-21ksoftirqd/021:43:330
17418993024,4cyclictest9-21ksoftirqd/021:43:330
138491300,0ptp4l401ktimersoftd/319:42:523
138491300,0ptp4l401ktimersoftd/319:42:523
17421992923,4cyclictest41-21ksoftirqd/320:58:473
17421992923,4cyclictest41-21ksoftirqd/320:25:573
17421992923,4cyclictest41-21ksoftirqd/320:24:063
17421992923,4cyclictest41-21ksoftirqd/300:20:303
1742199292,26cyclictest20508-21kworker/3:220:30:333
17419992924,3cyclictest25-21ksoftirqd/119:16:211
17419992923,3cyclictest25-21ksoftirqd/119:28:581
17418992924,3cyclictest9-21ksoftirqd/019:15:510
17418992923,4cyclictest9-21ksoftirqd/022:43:590
17418992923,4cyclictest9-21ksoftirqd/021:09:190
17421992823,3cyclictest41-21ksoftirqd/323:55:123
17421992822,4cyclictest41-21ksoftirqd/322:40:183
17421992822,4cyclictest41-21ksoftirqd/321:34:453
17419992822,4cyclictest25-21ksoftirqd/123:10:481
17419992822,4cyclictest25-21ksoftirqd/119:35:121
17418992822,4cyclictest9-21ksoftirqd/023:46:570
17418992822,4cyclictest9-21ksoftirqd/021:13:560
17418992822,4cyclictest9-21ksoftirqd/000:00:570
138491280,0ptp4l401ktimersoftd/321:45:113
17421992722,3cyclictest41-21ksoftirqd/321:08:023
17419992722,3cyclictest25-21ksoftirqd/121:27:521
17419992722,3cyclictest25-21ksoftirqd/119:32:311
17419992721,4cyclictest25-21ksoftirqd/123:51:441
17419992721,4cyclictest25-21ksoftirqd/120:08:461
17419992720,5cyclictest25-21ksoftirqd/122:15:351
17419992720,5cyclictest25-21ksoftirqd/119:20:281
17418992722,3cyclictest9-21ksoftirqd/023:19:090
17418992722,3cyclictest9-21ksoftirqd/021:29:540
17418992722,3cyclictest9-21ksoftirqd/020:10:110
17418992721,3cyclictest9-21ksoftirqd/000:37:260
17421992621,3cyclictest41-21ksoftirqd/323:06:003
17419992621,3cyclictest25-21ksoftirqd/122:22:431
17419992621,3cyclictest25-21ksoftirqd/119:41:341
17419992621,3cyclictest25-21ksoftirqd/119:41:341
17418992621,3cyclictest9-21ksoftirqd/021:23:280
17418992620,4cyclictest9-21ksoftirqd/023:41:120
17418992620,4cyclictest9-21ksoftirqd/021:59:470
17418992619,5cyclictest9-21ksoftirqd/019:35:030
17418992520,3cyclictest9-21ksoftirqd/023:53:140
138491250,0ptp4l401ktimersoftd/319:15:193
17418992419,3cyclictest9-21ksoftirqd/023:01:200
138491240,0ptp4l401ktimersoftd/323:30:133
17419992318,3cyclictest25-21ksoftirqd/119:48:361
17419992317,4cyclictest25-21ksoftirqd/121:34:151
138491230,0ptp4l401ktimersoftd/321:10:173
138491230,0ptp4l401ktimersoftd/300:00:143
17419992216,4cyclictest25-21ksoftirqd/122:03:321
17419992216,3cyclictest25-21ksoftirqd/100:08:261
17419992015,3cyclictest25-21ksoftirqd/122:38:431
17418992015,3cyclictest9-21ksoftirqd/022:17:310
17419991913,3cyclictest32546-21df_abs21:50:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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