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2026-08-29 - 14:39
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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 Sat Aug 29, 2026 00:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
63892206173,22sleep00-21swapper/019:06:260
65962205172,22sleep10-21swapper/119:09:071
138591205171,23phc2sys0-21swapper/319:08:383
64532201167,23sleep20-21swapper/219:07:162
43821360,1sleep10-21swapper/120:00:181
144272620,3sleep30-21swapper/321:30:273
308372570,2sleep10-21swapper/100:15:171
138491570,1ptp4l401ktimersoftd/323:16:023
190472560,6sleep2710299cyclictest23:50:242
123132500,2sleep20-21swapper/223:40:002
7100994628,16cyclictest9-21ksoftirqd/021:00:570
279142450,2sleep00-21swapper/019:50:190
138491450,1ptp4l401ktimersoftd/320:02:203
710399442,39cyclictest22170-21cron22:55:003
7103994237,3cyclictest30285-21fschecks_count23:10:143
138491410,1ptp4l401ktimersoftd/319:14:523
138491400,0ptp4l401ktimersoftd/321:58:163
7101993934,3cyclictest25-21ksoftirqd/122:40:001
7101993934,3cyclictest25-21ksoftirqd/122:29:591
7101993934,3cyclictest25-21ksoftirqd/120:24:591
7101993933,3cyclictest25-21ksoftirqd/121:15:001
7100993934,3cyclictest9-21ksoftirqd/023:37:090
710299389,28cyclictest0-21swapper/220:10:232
7101993833,3cyclictest25-21ksoftirqd/121:20:001
7100993833,3cyclictest9-21ksoftirqd/021:05:580
7102993731,4cyclictest33-21ksoftirqd/222:25:592
7102993731,4cyclictest33-21ksoftirqd/220:29:002
7102993731,4cyclictest33-21ksoftirqd/219:12:042
7102993730,5cyclictest33-21ksoftirqd/221:12:402
7101993732,3cyclictest25-21ksoftirqd/120:54:591
7101993731,4cyclictest25-21ksoftirqd/100:20:551
7101993731,3cyclictest25-21ksoftirqd/119:10:181
7100993731,4cyclictest9-21ksoftirqd/023:09:250
50798370,3rtkit-daemon30804-21irqstats23:10:181
7103993630,4cyclictest41-21ksoftirqd/323:35:353
7103993630,4cyclictest41-21ksoftirqd/321:47:593
7103993630,4cyclictest41-21ksoftirqd/321:27:593
7103993630,4cyclictest41-21ksoftirqd/319:49:173
7103993630,4cyclictest41-21ksoftirqd/319:38:223
7102993631,3cyclictest519-21kworker/2:222:20:182
7102993630,4cyclictest33-21ksoftirqd/222:30:312
7101993632,2cyclictest25-21ksoftirqd/122:20:011
7101993631,3cyclictest25-21ksoftirqd/119:45:011
7101993630,4cyclictest25-21ksoftirqd/100:03:381
7101993629,4cyclictest25-21ksoftirqd/100:35:151
7100993630,4cyclictest9-21ksoftirqd/021:22:580
7100993628,6cyclictest9-21ksoftirqd/020:50:010
138491360,0ptp4l401ktimersoftd/322:35:273
7103993529,4cyclictest41-21ksoftirqd/323:55:533
7103993529,4cyclictest41-21ksoftirqd/323:28:413
7103993529,4cyclictest41-21ksoftirqd/300:39:103
7102993530,3cyclictest33-21ksoftirqd/222:20:002
7102993530,3cyclictest33-21ksoftirqd/220:50:012
7102993530,3cyclictest33-21ksoftirqd/219:40:002
7102993529,4cyclictest33-21ksoftirqd/220:51:192
7102993529,4cyclictest33-21ksoftirqd/200:17:322
7102993529,4cyclictest33-21ksoftirqd/200:13:462
7102993529,3cyclictest33-21ksoftirqd/200:25:112
7102993528,5cyclictest33-21ksoftirqd/221:20:012
7101993532,2cyclictest25-21ksoftirqd/123:30:001
7101993531,2cyclictest25-21ksoftirqd/122:55:001
7101993530,3cyclictest25-21ksoftirqd/119:54:591
7101993530,3cyclictest25-21ksoftirqd/119:25:191
7101993529,4cyclictest25-21ksoftirqd/123:03:561
7101993529,4cyclictest25-21ksoftirqd/122:45:551
7101993529,4cyclictest25-21ksoftirqd/122:01:541
7101993529,4cyclictest25-21ksoftirqd/119:58:211
7101993529,3cyclictest25-21ksoftirqd/121:35:131
7101993528,4cyclictest25-21ksoftirqd/120:56:381
7100993529,4cyclictest9-21ksoftirqd/021:34:200
7100993529,4cyclictest9-21ksoftirqd/020:10:100
7100993528,5cyclictest9-21ksoftirqd/019:48:490
138491350,0ptp4l401ktimersoftd/321:00:143
7103993430,3cyclictest41-21ksoftirqd/323:45:173
7103993428,4cyclictest41-21ksoftirqd/321:24:493
7103993428,4cyclictest41-21ksoftirqd/320:59:063
7103993428,4cyclictest41-21ksoftirqd/320:51:513
7103993428,4cyclictest41-21ksoftirqd/319:59:513
7103993428,4cyclictest41-21ksoftirqd/319:41:393
7103993428,4cyclictest41-21ksoftirqd/319:26:463
7102993429,3cyclictest33-21ksoftirqd/223:07:362
7102993429,3cyclictest33-21ksoftirqd/221:56:112
7102993429,3cyclictest33-21ksoftirqd/220:18:312
7102993429,3cyclictest33-21ksoftirqd/219:25:112
7102993428,4cyclictest33-21ksoftirqd/219:17:302
7101993430,3cyclictest25-21ksoftirqd/120:15:121
7101993430,2cyclictest25-21ksoftirqd/120:45:111
7101993429,3cyclictest25-21ksoftirqd/123:45:001
7101993429,3cyclictest25-21ksoftirqd/123:15:181
7101993429,3cyclictest25-21ksoftirqd/122:20:181
7101993429,3cyclictest25-21ksoftirqd/122:10:001
7101993428,4cyclictest25-21ksoftirqd/123:30:361
7101993428,4cyclictest25-21ksoftirqd/121:55:101
7101993428,4cyclictest25-21ksoftirqd/121:32:301
7101993428,4cyclictest25-21ksoftirqd/120:07:451
7101993428,3cyclictest25-21ksoftirqd/100:10:111
7100993428,4cyclictest9-21ksoftirqd/023:18:230
7100993428,4cyclictest9-21ksoftirqd/021:56:150
7100993428,4cyclictest9-21ksoftirqd/021:49:060
7100993428,4cyclictest9-21ksoftirqd/020:34:550
7100993428,4cyclictest9-21ksoftirqd/020:09:080
7100993428,4cyclictest9-21ksoftirqd/019:33:140
7100993428,4cyclictest9-21ksoftirqd/000:32:330
7100993428,4cyclictest9-21ksoftirqd/000:26:270
7100993428,4cyclictest9-21ksoftirqd/000:15:480
50798340,23rtkit-daemon20786-21sed21:45:171
7103993328,3cyclictest41-21ksoftirqd/322:49:103
7103993327,4cyclictest41-21ksoftirqd/322:59:173
7103993327,4cyclictest41-21ksoftirqd/321:54:303
7103993327,4cyclictest41-21ksoftirqd/320:28:203
7103993327,4cyclictest41-21ksoftirqd/319:34:363
7103993327,4cyclictest41-21ksoftirqd/300:29:433
7103993327,4cyclictest41-21ksoftirqd/300:11:583
7103993326,4cyclictest41-21ksoftirqd/321:35:113
7103993326,4cyclictest41-21ksoftirqd/319:22:123
7103993325,6cyclictest41-21ksoftirqd/323:30:113
7102993329,2cyclictest33-21ksoftirqd/221:35:252
7102993328,3cyclictest33-21ksoftirqd/223:27:542
7102993328,3cyclictest33-21ksoftirqd/222:01:222
7102993328,3cyclictest33-21ksoftirqd/221:05:402
7102993327,4cyclictest33-21ksoftirqd/223:46:422
7102993327,4cyclictest33-21ksoftirqd/222:42:182
7102993327,4cyclictest33-21ksoftirqd/222:06:332
7102993327,4cyclictest33-21ksoftirqd/219:46:062
7102993327,4cyclictest33-21ksoftirqd/219:42:052
7102993327,4cyclictest33-21ksoftirqd/219:32:432
7102993327,4cyclictest33-21ksoftirqd/200:09:482
7102993327,4cyclictest33-21ksoftirqd/200:00:582
7101993330,2cyclictest25-21ksoftirqd/122:45:011
7101993328,3cyclictest25-21ksoftirqd/123:55:001
7101993328,3cyclictest25-21ksoftirqd/121:50:191
7101993328,3cyclictest25-21ksoftirqd/121:05:011
7101993328,3cyclictest25-21ksoftirqd/119:35:191
7101993327,4cyclictest25-21ksoftirqd/121:21:581
7101993327,4cyclictest25-21ksoftirqd/120:11:101
7101993327,4cyclictest25-21ksoftirqd/119:19:221
7101993327,4cyclictest25-21ksoftirqd/100:27:451
7101993327,3cyclictest25-21ksoftirqd/122:35:001
7100993328,3cyclictest9-21ksoftirqd/022:36:270
7100993327,4cyclictest9-21ksoftirqd/022:22:190
7100993327,4cyclictest9-21ksoftirqd/022:08:400
7100993327,4cyclictest9-21ksoftirqd/021:54:420
7100993327,4cyclictest9-21ksoftirqd/020:01:220
7100993327,4cyclictest9-21ksoftirqd/019:37:270
7100993327,4cyclictest9-21ksoftirqd/000:09:300
7103993227,3cyclictest41-21ksoftirqd/322:44:303
7103993227,3cyclictest41-21ksoftirqd/319:20:013
7103993227,3cyclictest41-21ksoftirqd/300:19:323
7103993227,3cyclictest41-21ksoftirqd/300:01:213
7103993226,4cyclictest41-21ksoftirqd/321:15:543
7103993226,4cyclictest41-21ksoftirqd/320:44:173
7103993226,4cyclictest41-21ksoftirqd/320:09:153
7103993226,3cyclictest41-21ksoftirqd/300:31:113
7102993227,3cyclictest33-21ksoftirqd/223:10:112
7102993227,3cyclictest33-21ksoftirqd/221:48:022
7102993227,3cyclictest33-21ksoftirqd/221:25:152
7102993227,3cyclictest33-21ksoftirqd/219:55:192
7102993226,4cyclictest33-21ksoftirqd/222:59:122
7102993226,4cyclictest33-21ksoftirqd/222:53:222
7102993226,4cyclictest33-21ksoftirqd/220:55:432
7102993226,4cyclictest33-21ksoftirqd/220:01:282
7101993228,2cyclictest25-21ksoftirqd/119:30:201
7101993227,3cyclictest25-21ksoftirqd/100:07:391
7101993226,4cyclictest25-21ksoftirqd/123:48:091
7101993226,4cyclictest25-21ksoftirqd/121:26:041
7101993226,4cyclictest25-21ksoftirqd/120:40:551
7101993226,4cyclictest25-21ksoftirqd/119:23:121
7101993226,3cyclictest25-21ksoftirqd/123:55:001
7100993228,3cyclictest9-21ksoftirqd/020:17:270
7100993227,3cyclictest9-21ksoftirqd/023:03:350
7100993227,3cyclictest9-21ksoftirqd/022:45:250
7100993227,3cyclictest9-21ksoftirqd/020:35:010
7100993226,4cyclictest9-21ksoftirqd/023:43:140
7100993226,4cyclictest9-21ksoftirqd/021:36:370
7100993226,4cyclictest9-21ksoftirqd/020:23:570
7100993226,4cyclictest9-21ksoftirqd/000:04:130
7103993126,3cyclictest41-21ksoftirqd/320:15:443
7103993126,3cyclictest41-21ksoftirqd/319:50:113
7102993126,3cyclictest33-21ksoftirqd/220:34:512
7102993126,3cyclictest33-21ksoftirqd/200:38:592
7102993125,4cyclictest33-21ksoftirqd/223:59:582
7102993125,4cyclictest33-21ksoftirqd/223:18:292
7102993125,4cyclictest33-21ksoftirqd/223:02:322
7102993125,4cyclictest33-21ksoftirqd/219:50:572
7101993126,3cyclictest25-21ksoftirqd/120:40:011
7101993126,3cyclictest25-21ksoftirqd/120:34:171
7101993125,4cyclictest25-21ksoftirqd/122:57:101
7101993125,4cyclictest25-21ksoftirqd/120:25:531
7100993127,3cyclictest9-21ksoftirqd/023:58:080
7100993127,3cyclictest9-21ksoftirqd/023:30:160
7100993126,3cyclictest9-21ksoftirqd/023:50:210
7100993126,3cyclictest9-21ksoftirqd/023:27:260
7100993126,3cyclictest9-21ksoftirqd/020:59:550
7100993126,3cyclictest9-21ksoftirqd/019:28:080
7100993125,4cyclictest9-21ksoftirqd/022:26:240
7100993125,4cyclictest9-21ksoftirqd/021:16:400
7100993125,4cyclictest9-21ksoftirqd/020:52:330
7100993125,4cyclictest9-21ksoftirqd/020:25:450
7100993124,4cyclictest9-21ksoftirqd/022:55:000
138491310,0ptp4l401ktimersoftd/323:50:533
138491310,0ptp4l401ktimersoftd/323:20:213
138491310,0ptp4l401ktimersoftd/323:08:263
7103993025,3cyclictest41-21ksoftirqd/323:42:263
7103993025,3cyclictest41-21ksoftirqd/322:11:423
7103993025,3cyclictest41-21ksoftirqd/322:11:413
7103993025,3cyclictest41-21ksoftirqd/300:05:113
7103993024,4cyclictest41-21ksoftirqd/322:08:503
7102993025,3cyclictest33-21ksoftirqd/221:30:392
7102993025,3cyclictest33-21ksoftirqd/220:40:042
7102993023,4cyclictest33-21ksoftirqd/200:34:162
7101993024,4cyclictest25-21ksoftirqd/121:43:041
7101993020,8cyclictest25-21ksoftirqd/122:10:181
7101993020,8cyclictest25-21ksoftirqd/122:10:171
7100993025,3cyclictest9-21ksoftirqd/023:21:200
7100993025,3cyclictest9-21ksoftirqd/021:42:560
7100993025,3cyclictest9-21ksoftirqd/019:43:210
7100993025,3cyclictest9-21ksoftirqd/000:21:040
7100993025,3cyclictest9-21ksoftirqd/000:10:470
7100993024,4cyclictest9-21ksoftirqd/022:14:160
7100993024,4cyclictest9-21ksoftirqd/022:14:160
138491300,0ptp4l401ktimersoftd/322:30:323
7103992924,3cyclictest41-21ksoftirqd/323:02:573
7103992924,3cyclictest41-21ksoftirqd/322:21:223
7103992924,3cyclictest41-21ksoftirqd/320:11:343
7103992923,4cyclictest41-21ksoftirqd/322:18:013
7103992923,4cyclictest41-21ksoftirqd/320:46:573
7102992925,3cyclictest33-21ksoftirqd/221:04:542
7102992924,3cyclictest33-21ksoftirqd/221:50:102
7102992923,4cyclictest33-21ksoftirqd/223:44:332
7102992923,4cyclictest33-21ksoftirqd/223:30:412
7101992924,3cyclictest25-21ksoftirqd/121:05:181
7101992923,4cyclictest25-21ksoftirqd/123:39:221
7100992924,3cyclictest9-21ksoftirqd/022:17:360
7100992923,4cyclictest9-21ksoftirqd/023:12:330
7100992923,4cyclictest9-21ksoftirqd/022:58:100
7100992923,4cyclictest9-21ksoftirqd/022:42:120
138491290,0ptp4l401ktimersoftd/321:40:043
7103992823,3cyclictest41-21ksoftirqd/320:30:123
7103992822,4cyclictest41-21ksoftirqd/322:02:323
7103992822,4cyclictest41-21ksoftirqd/321:10:203
7102992823,3cyclictest33-21ksoftirqd/223:22:072
7101992824,2cyclictest25-21ksoftirqd/123:20:131
7101992824,2cyclictest25-21ksoftirqd/123:05:101
7100992823,3cyclictest9-21ksoftirqd/023:45:450
7100992823,3cyclictest9-21ksoftirqd/020:40:480
7100992823,3cyclictest4749-21cron21:15:000
7100992822,4cyclictest9-21ksoftirqd/022:31:100
7100992822,4cyclictest9-21ksoftirqd/021:27:340
138491280,8ptp4l401ktimersoftd/300:21:243
7103992721,4cyclictest41-21ksoftirqd/321:07:323
7102992722,3cyclictest33-21ksoftirqd/220:35:102
7101992722,3cyclictest25-21ksoftirqd/100:30:261
7101992721,4cyclictest25-21ksoftirqd/119:47:191
7100992722,3cyclictest9-21ksoftirqd/019:17:420
7100992722,3cyclictest9-21ksoftirqd/019:12:340
7103992621,3cyclictest41-21ksoftirqd/322:25:113
7102992623,2cyclictest519-21kworker/2:222:35:112
7102992620,4cyclictest33-21ksoftirqd/222:46:282
7100992621,3cyclictest9-21ksoftirqd/000:37:450
138491260,0ptp4l401ktimersoftd/320:24:393
7103992520,3cyclictest41-21ksoftirqd/320:36:383
7102992520,3cyclictest33-21ksoftirqd/222:10:052
7102992520,3cyclictest33-21ksoftirqd/222:10:052
7102992520,3cyclictest33-21ksoftirqd/221:24:112
7102992519,4cyclictest33-21ksoftirqd/219:24:012
7102992419,3cyclictest33-21ksoftirqd/200:20:462
7100992418,3cyclictest9-21ksoftirqd/019:24:250
7102992318,3cyclictest33-21ksoftirqd/221:44:252
7102992318,3cyclictest33-21ksoftirqd/220:08:152
7102992217,3cyclictest33-21ksoftirqd/220:25:012
7100991914,3cyclictest30938-21switchtime19:55:250
7100991812,4cyclictest28196-21sed22:00:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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