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2026-04-15 - 07:45
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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 Wed Apr 15, 2026 00:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591202168,23phc2sys0-21swapper/319:05:403
28102201167,23sleep20-21swapper/219:06:192
28092198165,22sleep10-21swapper/119:06:191
28082195163,22sleep00-21swapper/019:06:170
2689021810,5sleep0338899cyclictest00:15:230
2689021810,5sleep0338899cyclictest00:15:220
242462720,2sleep30-21swapper/322:00:193
138491580,1ptp4l401ktimersoftd/320:07:063
108382490,2sleep00-21swapper/021:35:000
339099471,43cyclictest5882-21apt-get19:15:132
1385914534,5phc2sys0-21swapper/319:10:023
138491440,1ptp4l401ktimersoftd/319:25:083
138491430,0ptp4l401ktimersoftd/323:58:513
138491420,0ptp4l401ktimersoftd/323:47:103
138491420,0ptp4l401ktimersoftd/322:50:013
3390993911,27cyclictest0-21swapper/221:15:332
339199381,2cyclictest121rcu_preempt20:15:233
339099380,2cyclictest0-21swapper/219:10:232
3389993833,3cyclictest25-21ksoftirqd/123:10:191
138491380,0ptp4l401ktimersoftd/322:45:223
50798370,7rtkit-daemon0-21swapper/020:27:330
3391993731,4cyclictest41-21ksoftirqd/322:12:343
339099377,28cyclictest0-21swapper/222:45:332
3390993730,5cyclictest33-21ksoftirqd/223:14:232
339099370,2cyclictest0-21swapper/223:55:232
3389993731,4cyclictest25-21ksoftirqd/120:45:201
338899371,34cyclictest10566-21cron19:24:590
50798360,7rtkit-daemon0-21swapper/021:23:450
3391993630,4cyclictest41-21ksoftirqd/323:14:453
3391993629,5cyclictest41-21ksoftirqd/322:07:333
3390993630,4cyclictest33-21ksoftirqd/222:33:392
3390993630,4cyclictest33-21ksoftirqd/221:33:032
3390993630,4cyclictest33-21ksoftirqd/221:33:022
3390993630,4cyclictest33-21ksoftirqd/221:27:522
3390993630,4cyclictest33-21ksoftirqd/221:14:082
3389993632,2cyclictest25-21ksoftirqd/122:40:001
3389993631,3cyclictest25-21ksoftirqd/123:02:591
3389993631,3cyclictest25-21ksoftirqd/122:00:181
3389993631,3cyclictest25-21ksoftirqd/121:34:551
3389993631,3cyclictest25-21ksoftirqd/121:34:551
3389993631,3cyclictest25-21ksoftirqd/121:05:201
3389993630,4cyclictest25-21ksoftirqd/100:35:091
3389993630,4cyclictest25-21ksoftirqd/100:28:191
3389993630,4cyclictest25-21ksoftirqd/100:11:231
3389993630,3cyclictest25-21ksoftirqd/119:45:191
3389993630,3cyclictest25-21ksoftirqd/119:25:191
3388993630,4cyclictest9-21ksoftirqd/023:44:460
3388993630,4cyclictest9-21ksoftirqd/021:54:220
3391993531,3cyclictest41-21ksoftirqd/321:30:173
3391993531,3cyclictest41-21ksoftirqd/321:30:173
3391993530,3cyclictest41-21ksoftirqd/319:20:243
3391993529,4cyclictest41-21ksoftirqd/320:45:133
3391993529,4cyclictest41-21ksoftirqd/320:39:513
3391993529,4cyclictest13092-21ls21:40:003
3391993528,4cyclictest41-21ksoftirqd/322:25:003
3390993529,4cyclictest33-21ksoftirqd/223:27:072
3390993529,4cyclictest33-21ksoftirqd/222:28:362
3390993529,4cyclictest33-21ksoftirqd/222:08:362
3390993529,4cyclictest33-21ksoftirqd/219:52:212
3390993529,3cyclictest33-21ksoftirqd/223:40:082
3389993530,3cyclictest25-21ksoftirqd/120:00:141
3389993530,3cyclictest25-21ksoftirqd/120:00:131
3389993530,3cyclictest25-21ksoftirqd/119:25:001
3389993530,3cyclictest25-21ksoftirqd/119:20:001
3389993529,4cyclictest25-21ksoftirqd/123:06:001
3389993529,4cyclictest25-21ksoftirqd/100:22:221
3389993529,3cyclictest25-21ksoftirqd/120:00:011
3388993530,3cyclictest9-21ksoftirqd/021:58:270
3388993530,3cyclictest9-21ksoftirqd/000:00:130
3388993529,4cyclictest9-21ksoftirqd/022:34:100
3388993529,4cyclictest9-21ksoftirqd/022:04:210
3388993529,4cyclictest9-21ksoftirqd/019:34:570
3388993529,4cyclictest9-21ksoftirqd/000:06:530
3391993430,2cyclictest41-21ksoftirqd/320:44:333
3391993428,4cyclictest41-21ksoftirqd/323:01:093
3391993428,4cyclictest41-21ksoftirqd/322:39:353
3391993428,4cyclictest41-21ksoftirqd/320:53:153
3391993428,4cyclictest41-21ksoftirqd/320:30:453
3391993428,4cyclictest41-21ksoftirqd/300:23:073
3391993428,4cyclictest41-21ksoftirqd/300:20:003
3391993428,4cyclictest41-21ksoftirqd/300:20:003
3390993429,3cyclictest33-21ksoftirqd/221:55:192
3390993428,4cyclictest33-21ksoftirqd/223:48:582
3390993428,4cyclictest33-21ksoftirqd/223:37:022
3390993428,4cyclictest33-21ksoftirqd/223:34:052
3390993428,4cyclictest33-21ksoftirqd/223:20:372
3390993428,4cyclictest33-21ksoftirqd/222:59:112
3390993428,4cyclictest33-21ksoftirqd/222:24:332
3390993428,4cyclictest33-21ksoftirqd/221:23:312
3390993428,4cyclictest33-21ksoftirqd/220:55:592
3390993428,4cyclictest33-21ksoftirqd/219:22:122
3390993428,4cyclictest33-21ksoftirqd/200:29:572
3390993428,4cyclictest33-21ksoftirqd/200:10:432
3390993428,3cyclictest33-21ksoftirqd/222:42:112
3390993427,5cyclictest33-21ksoftirqd/220:16:032
3389993429,3cyclictest25-21ksoftirqd/119:50:101
3389993429,3cyclictest25-21ksoftirqd/119:15:021
3389993428,4cyclictest25-21ksoftirqd/121:46:581
3389993428,4cyclictest25-21ksoftirqd/121:39:311
3389993428,4cyclictest25-21ksoftirqd/120:27:551
3389993428,4cyclictest25-21ksoftirqd/119:38:361
3389993427,4cyclictest25-21ksoftirqd/120:39:011
3389993427,3cyclictest25-21ksoftirqd/123:20:191
3388993429,3cyclictest9-21ksoftirqd/022:43:440
3388993429,3cyclictest9-21ksoftirqd/021:26:420
3388993429,3cyclictest9-21ksoftirqd/019:47:580
3388993429,3cyclictest9-21ksoftirqd/019:35:230
3388993428,4cyclictest9-21ksoftirqd/022:59:290
3388993428,4cyclictest9-21ksoftirqd/022:35:500
3388993428,4cyclictest9-21ksoftirqd/020:36:190
3388993428,4cyclictest9-21ksoftirqd/020:17:420
3388993427,4cyclictest9-21ksoftirqd/022:11:390
138491340,0ptp4l401ktimersoftd/320:28:093
138491340,0ptp4l401ktimersoftd/320:01:383
138491340,0ptp4l401ktimersoftd/320:01:383
50798330,22rtkit-daemon9-21ksoftirqd/022:05:130
3391993327,4cyclictest41-21ksoftirqd/321:52:573
3391993327,4cyclictest41-21ksoftirqd/321:49:443
3391993327,4cyclictest41-21ksoftirqd/321:11:333
3391993327,4cyclictest41-21ksoftirqd/321:00:373
3391993327,4cyclictest41-21ksoftirqd/321:00:373
3391993327,4cyclictest41-21ksoftirqd/300:01:423
3390993327,4cyclictest33-21ksoftirqd/221:48:182
3390993327,4cyclictest33-21ksoftirqd/220:52:112
3390993327,4cyclictest33-21ksoftirqd/220:01:072
3390993327,4cyclictest33-21ksoftirqd/220:01:072
3390993327,4cyclictest33-21ksoftirqd/219:26:092
3390993327,4cyclictest33-21ksoftirqd/200:37:162
3389993327,4cyclictest25-21ksoftirqd/122:13:171
3389993327,4cyclictest25-21ksoftirqd/100:34:131
3389993327,4cyclictest25-21ksoftirqd/100:16:081
3389993327,4cyclictest25-21ksoftirqd/100:16:081
3389993327,3cyclictest25-21ksoftirqd/120:25:001
3389993326,4cyclictest25-21ksoftirqd/120:43:471
3388993328,3cyclictest9-21ksoftirqd/023:10:130
3388993328,3cyclictest9-21ksoftirqd/023:01:580
3388993328,3cyclictest9-21ksoftirqd/022:25:180
3388993328,3cyclictest9-21ksoftirqd/000:11:570
3388993327,4cyclictest9-21ksoftirqd/023:51:240
3388993327,4cyclictest9-21ksoftirqd/023:38:240
3388993327,4cyclictest9-21ksoftirqd/022:53:070
3388993327,4cyclictest9-21ksoftirqd/022:23:110
3388993327,4cyclictest9-21ksoftirqd/020:20:030
3388993327,3cyclictest9-21ksoftirqd/022:20:000
3388993327,3cyclictest9-21ksoftirqd/021:07:490
3388993327,3cyclictest9-21ksoftirqd/019:19:080
3388993326,4cyclictest9-21ksoftirqd/023:30:340
3388993326,4cyclictest9-21ksoftirqd/021:36:450
3388993326,4cyclictest9-21ksoftirqd/020:51:050
3391993226,4cyclictest41-21ksoftirqd/323:38:103
3391993226,4cyclictest41-21ksoftirqd/323:16:453
3391993226,4cyclictest41-21ksoftirqd/319:19:333
3390993226,4cyclictest33-21ksoftirqd/222:10:372
3390993226,4cyclictest33-21ksoftirqd/220:47:372
3390993226,4cyclictest33-21ksoftirqd/220:12:272
3390993226,4cyclictest33-21ksoftirqd/219:40:252
3390993225,4cyclictest33-21ksoftirqd/219:46:372
3389993228,2cyclictest25-21ksoftirqd/121:25:181
3389993227,3cyclictest25-21ksoftirqd/122:08:301
3389993227,3cyclictest25-21ksoftirqd/120:05:471
3389993227,3cyclictest25-21ksoftirqd/119:35:001
3389993227,3cyclictest25-21ksoftirqd/100:00:191
3389993226,4cyclictest25-21ksoftirqd/122:47:231
3389993226,4cyclictest25-21ksoftirqd/121:52:431
3389993226,4cyclictest25-21ksoftirqd/121:01:121
3389993226,4cyclictest25-21ksoftirqd/121:01:121
3389993226,4cyclictest25-21ksoftirqd/120:17:231
3389993226,4cyclictest25-21ksoftirqd/120:13:381
3389993226,3cyclictest25-21ksoftirqd/122:17:451
3388993227,3cyclictest9-21ksoftirqd/023:59:350
3388993227,3cyclictest9-21ksoftirqd/022:49:100
3388993227,3cyclictest9-21ksoftirqd/021:41:490
3388993227,3cyclictest9-21ksoftirqd/000:38:180
3388993226,4cyclictest9-21ksoftirqd/023:23:080
3388993226,4cyclictest9-21ksoftirqd/020:30:380
3388993226,4cyclictest9-21ksoftirqd/020:14:100
3388993226,4cyclictest9-21ksoftirqd/020:02:420
3388993226,4cyclictest9-21ksoftirqd/020:02:420
3388993226,4cyclictest9-21ksoftirqd/019:27:190
3388993226,4cyclictest9-21ksoftirqd/019:13:030
3388993226,4cyclictest9-21ksoftirqd/000:30:360
3388993226,4cyclictest9-21ksoftirqd/000:26:390
138491320,9ptp4l401ktimersoftd/320:13:533
138491320,0ptp4l401ktimersoftd/323:44:393
138491320,0ptp4l401ktimersoftd/323:30:023
138491320,0ptp4l401ktimersoftd/323:08:473
138491320,0ptp4l401ktimersoftd/322:25:273
138491320,0ptp4l401ktimersoftd/319:45:493
138491320,0ptp4l401ktimersoftd/319:42:063
138491320,0ptp4l401ktimersoftd/300:29:283
3391993127,3cyclictest41-21ksoftirqd/321:41:423
3391993126,3cyclictest41-21ksoftirqd/321:28:113
3391993126,3cyclictest41-21ksoftirqd/300:34:163
3391993126,3cyclictest18318-1kworker/3:1H00:10:003
3391993125,4cyclictest41-21ksoftirqd/322:33:243
3391993125,4cyclictest41-21ksoftirqd/319:31:443
3391993125,4cyclictest41-21ksoftirqd/300:13:223
3390993126,3cyclictest33-21ksoftirqd/223:10:002
3390993126,3cyclictest33-21ksoftirqd/221:54:302
3390993126,3cyclictest33-21ksoftirqd/220:25:522
3390993125,4cyclictest33-21ksoftirqd/222:35:122
3390993125,4cyclictest33-21ksoftirqd/221:42:532
3390993125,4cyclictest33-21ksoftirqd/220:07:422
3390993125,4cyclictest33-21ksoftirqd/200:17:302
3390993125,4cyclictest33-21ksoftirqd/200:17:302
3390993125,4cyclictest33-21ksoftirqd/200:03:062
3390993124,4cyclictest33-21ksoftirqd/219:38:012
3389993126,3cyclictest2879-21cron23:30:001
3389993126,3cyclictest25-21ksoftirqd/122:40:131
3389993126,3cyclictest25-21ksoftirqd/121:20:131
3389993126,3cyclictest25-21ksoftirqd/120:55:131
3389993125,4cyclictest25-21ksoftirqd/121:10:131
3389993125,3cyclictest25-21ksoftirqd/123:15:381
338999310,2cyclictest121rcu_preempt21:57:591
3388993126,3cyclictest9-21ksoftirqd/023:16:580
3388993126,3cyclictest9-21ksoftirqd/021:15:270
3388993126,3cyclictest9-21ksoftirqd/019:45:010
3388993125,4cyclictest9-21ksoftirqd/023:08:080
3388993125,4cyclictest9-21ksoftirqd/021:48:120
3388993125,4cyclictest9-21ksoftirqd/019:58:320
138491310,0ptp4l401ktimersoftd/323:50:083
138491310,0ptp4l401ktimersoftd/323:27:143
138491310,0ptp4l401ktimersoftd/321:56:013
3391993025,3cyclictest41-21ksoftirqd/321:20:323
3391993024,4cyclictest41-21ksoftirqd/321:19:393
3391993024,4cyclictest41-21ksoftirqd/320:20:433
3390993025,3cyclictest33-21ksoftirqd/223:50:102
3390993025,3cyclictest33-21ksoftirqd/220:30:232
3390993024,4cyclictest33-21ksoftirqd/220:39:482
3390993024,4cyclictest33-21ksoftirqd/220:21:012
3389993026,3cyclictest25-21ksoftirqd/123:40:171
3389993025,3cyclictest25-21ksoftirqd/122:56:581
3389993024,3cyclictest25-21ksoftirqd/123:30:181
3389993023,4cyclictest25-21ksoftirqd/119:44:531
3388993025,3cyclictest9-21ksoftirqd/000:20:110
138491300,0ptp4l401ktimersoftd/323:23:133
3391992924,3cyclictest41-21ksoftirqd/322:55:513
3391992924,3cyclictest41-21ksoftirqd/322:44:293
3391992923,4cyclictest41-21ksoftirqd/320:55:083
3391992923,4cyclictest41-21ksoftirqd/319:52:233
3390992924,3cyclictest33-21ksoftirqd/222:15:132
3390992923,4cyclictest33-21ksoftirqd/223:17:002
3390992923,4cyclictest33-21ksoftirqd/219:56:062
3390992923,4cyclictest33-21ksoftirqd/219:30:192
3389992924,3cyclictest25-21ksoftirqd/122:55:011
3389992924,2cyclictest25-21ksoftirqd/100:00:001
3389992923,4cyclictest25-21ksoftirqd/122:31:221
3389992923,3cyclictest25-21ksoftirqd/122:25:241
3388992924,3cyclictest9-21ksoftirqd/023:47:590
3388992923,4cyclictest9-21ksoftirqd/023:25:490
3388992923,4cyclictest9-21ksoftirqd/020:40:370
3388992923,4cyclictest9-21ksoftirqd/019:51:500
3388992923,3cyclictest9-21ksoftirqd/021:10:190
3391992823,3cyclictest41-21ksoftirqd/300:39:123
3391992822,4cyclictest41-21ksoftirqd/319:37:413
3390992823,3cyclictest33-21ksoftirqd/220:41:242
3390992822,4cyclictest33-21ksoftirqd/221:06:542
3390992822,4cyclictest33-21ksoftirqd/221:04:462
3390992822,4cyclictest33-21ksoftirqd/221:04:462
3390992821,4cyclictest33-21ksoftirqd/223:02:042
3389992822,4cyclictest25-21ksoftirqd/123:47:561
3389992821,4cyclictest25-21ksoftirqd/120:33:241
3391992721,4cyclictest41-21ksoftirqd/322:16:113
3391992720,5cyclictest41-21ksoftirqd/321:09:183
3390992722,3cyclictest33-21ksoftirqd/221:40:002
3389992721,4cyclictest25-21ksoftirqd/123:36:201
3389992721,3cyclictest25-21ksoftirqd/121:40:171
3388992722,3cyclictest9-21ksoftirqd/021:33:330
3388992722,3cyclictest9-21ksoftirqd/021:00:340
3388992722,3cyclictest9-21ksoftirqd/021:00:340
3390992621,3cyclictest33-21ksoftirqd/200:05:142
3390992620,4cyclictest33-21ksoftirqd/222:54:562
3389992620,4cyclictest25-21ksoftirqd/123:51:251
3389992620,4cyclictest25-21ksoftirqd/121:17:401
3391992519,4cyclictest41-21ksoftirqd/319:56:323
3390992520,3cyclictest33-21ksoftirqd/200:32:102
3389992520,3cyclictest25-21ksoftirqd/120:50:191
3389992520,3cyclictest25-21ksoftirqd/100:05:121
3388992520,3cyclictest9-21ksoftirqd/020:57:300
3388992520,3cyclictest9-21ksoftirqd/020:45:580
3388992518,4cyclictest9-21ksoftirqd/020:09:070
3390992317,4cyclictest33-21ksoftirqd/200:20:072
3389992217,3cyclictest25-21ksoftirqd/122:20:131
3390992115,3cyclictest25456-21sh22:05:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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