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2026-08-11 - 05:56
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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 Aug 11, 2026 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5032207174,22sleep10-21swapper/119:07:171
138591207173,23phc2sys0-21swapper/319:05:033
3912204171,22sleep00-21swapper/019:06:060
4992201169,21sleep20-21swapper/219:07:132
1141421760,4sleep2103299cyclictest19:30:162
1179221720,6sleep0103099cyclictest21:40:160
15622640,1sleep10-21swapper/122:25:141
138652600,3sleep113867-21df_abs19:35:121
103212600,1sleep20-21swapper/220:30:252
138491580,1ptp4l401ktimersoftd/323:46:273
244882560,1sleep00-21swapper/022:05:190
138491560,1ptp4l401ktimersoftd/323:15:423
214502550,4sleep2321ktimersoftd/219:50:132
74942510,2sleep20-21swapper/219:20:252
138491440,0ptp4l401ktimersoftd/321:34:583
138491440,0ptp4l401ktimersoftd/300:10:173
138491430,0ptp4l401ktimersoftd/322:40:333
1032994338,3cyclictest33-21ksoftirqd/200:40:002
50798400,8rtkit-daemon0-21swapper/020:48:580
50798390,6rtkit-daemon0-21swapper/123:44:291
50798390,6rtkit-daemon0-21swapper/021:27:560
138491390,0ptp4l401ktimersoftd/323:30:213
103299391,2cyclictest121rcu_preempt23:11:582
1031993934,3cyclictest31751-21fschecks_count22:20:151
1031993934,3cyclictest31751-21fschecks_count22:20:151
1033993832,4cyclictest41-21ksoftirqd/323:55:003
1033993831,5cyclictest41-21ksoftirqd/320:01:343
1033993831,5cyclictest41-21ksoftirqd/319:41:283
1033993830,5cyclictest41-21ksoftirqd/321:50:103
1033993830,5cyclictest41-21ksoftirqd/321:50:103
1032993833,3cyclictest33-21ksoftirqd/200:30:002
1031993832,4cyclictest25-21ksoftirqd/119:51:411
1031993831,5cyclictest25-21ksoftirqd/120:38:431
1030993832,4cyclictest9-21ksoftirqd/022:27:250
1030993831,4cyclictest9-21ksoftirqd/019:40:010
50798370,4rtkit-daemon0-21swapper/123:07:441
138491370,0ptp4l401ktimersoftd/320:55:193
1033993731,3cyclictest41-21ksoftirqd/320:05:203
1033993729,5cyclictest41-21ksoftirqd/321:40:583
1033993725,9cyclictest41-21ksoftirqd/323:05:163
1032993732,2cyclictest33-21ksoftirqd/222:30:182
1032993731,4cyclictest33-21ksoftirqd/222:08:462
1031993730,4cyclictest25-21ksoftirqd/122:35:011
1033993630,4cyclictest41-21ksoftirqd/323:22:043
1033993630,4cyclictest41-21ksoftirqd/323:13:383
1033993630,4cyclictest41-21ksoftirqd/322:32:103
1033993630,4cyclictest41-21ksoftirqd/322:19:423
1033993630,4cyclictest41-21ksoftirqd/321:46:483
1033993630,4cyclictest41-21ksoftirqd/319:29:043
1033993629,5cyclictest41-21ksoftirqd/323:58:473
1033993629,5cyclictest41-21ksoftirqd/322:29:053
1033993629,5cyclictest41-21ksoftirqd/321:11:153
1033993629,5cyclictest41-21ksoftirqd/320:33:153
1033993629,4cyclictest41-21ksoftirqd/319:20:123
1032993631,3cyclictest33-21ksoftirqd/223:15:132
1032993630,4cyclictest33-21ksoftirqd/223:36:482
1032993630,4cyclictest33-21ksoftirqd/221:38:462
1032993623,10cyclictest33-21ksoftirqd/222:40:122
1031993631,3cyclictest25-21ksoftirqd/122:55:001
1031993631,3cyclictest25-21ksoftirqd/122:19:591
1031993631,3cyclictest25-21ksoftirqd/119:55:201
1031993631,3cyclictest25-21ksoftirqd/119:45:001
1031993631,3cyclictest25-21ksoftirqd/100:07:471
1031993630,4cyclictest25-21ksoftirqd/122:05:111
1031993630,3cyclictest25-21ksoftirqd/123:20:001
1031993629,5cyclictest25-21ksoftirqd/123:33:571
1030993629,4cyclictest9-21ksoftirqd/019:41:490
138491350,0ptp4l401ktimersoftd/322:38:553
138491350,0ptp4l401ktimersoftd/321:05:263
1033993529,4cyclictest41-21ksoftirqd/321:56:523
1033993529,4cyclictest41-21ksoftirqd/300:09:023
1033993528,4cyclictest41-21ksoftirqd/300:23:543
1032993531,3cyclictest33-21ksoftirqd/200:16:322
1032993529,4cyclictest33-21ksoftirqd/223:31:392
1032993529,4cyclictest33-21ksoftirqd/222:21:462
1032993529,4cyclictest33-21ksoftirqd/222:21:452
1032993529,4cyclictest33-21ksoftirqd/221:30:072
1032993529,4cyclictest33-21ksoftirqd/220:43:202
1032993529,4cyclictest33-21ksoftirqd/200:24:212
1032993528,5cyclictest33-21ksoftirqd/220:15:572
1031993530,3cyclictest25-21ksoftirqd/123:25:011
1031993530,3cyclictest25-21ksoftirqd/122:40:001
1031993530,3cyclictest25-21ksoftirqd/120:32:111
1031993530,3cyclictest25-21ksoftirqd/120:05:111
1031993529,4cyclictest25-21ksoftirqd/123:51:511
1031993529,4cyclictest25-21ksoftirqd/121:15:181
1031993529,3cyclictest25-21ksoftirqd/119:30:001
1031993529,3cyclictest25-21ksoftirqd/100:25:411
1031993529,3cyclictest25-21ksoftirqd/100:00:151
1031993528,5cyclictest25-21ksoftirqd/119:48:481
1030993529,4cyclictest9-21ksoftirqd/023:47:410
1030993529,4cyclictest9-21ksoftirqd/023:42:000
1030993529,4cyclictest9-21ksoftirqd/022:24:090
1030993529,4cyclictest9-21ksoftirqd/022:24:090
1030993529,4cyclictest9-21ksoftirqd/019:56:250
1030993529,4cyclictest9-21ksoftirqd/000:22:190
1030993529,4cyclictest9-21ksoftirqd/000:09:080
317982340,5sleep031801-21if_enp1s020:10:180
138491340,0ptp4l401ktimersoftd/319:45:133
1033993428,4cyclictest41-21ksoftirqd/322:47:463
1033993428,4cyclictest41-21ksoftirqd/320:21:313
1033993428,4cyclictest41-21ksoftirqd/300:32:173
1033993427,4cyclictest41-21ksoftirqd/319:59:553
1032993431,2cyclictest33-21ksoftirqd/219:10:402
1032993428,4cyclictest33-21ksoftirqd/223:27:532
1032993428,4cyclictest33-21ksoftirqd/222:01:082
1032993428,4cyclictest33-21ksoftirqd/221:57:182
1032993428,4cyclictest33-21ksoftirqd/221:54:332
1032993428,4cyclictest33-21ksoftirqd/221:54:332
1032993427,4cyclictest33-21ksoftirqd/221:14:552
1031993429,3cyclictest25-21ksoftirqd/123:00:001
1031993428,4cyclictest25-21ksoftirqd/123:48:101
1031993428,4cyclictest25-21ksoftirqd/123:15:001
1031993428,4cyclictest25-21ksoftirqd/123:00:481
1031993428,4cyclictest25-21ksoftirqd/120:00:111
1031993428,4cyclictest25-21ksoftirqd/119:15:551
1031993428,4cyclictest25-21ksoftirqd/100:38:531
1031993428,3cyclictest25-21ksoftirqd/123:55:171
1031993427,5cyclictest25-21ksoftirqd/121:13:131
1030993429,3cyclictest9-21ksoftirqd/023:51:510
1030993428,4cyclictest9-21ksoftirqd/023:37:020
1030993428,4cyclictest9-21ksoftirqd/023:21:370
1030993428,4cyclictest9-21ksoftirqd/022:59:230
1033993328,3cyclictest41-21ksoftirqd/323:40:323
1033993328,3cyclictest41-21ksoftirqd/321:00:113
1033993328,3cyclictest41-21ksoftirqd/319:14:453
1033993327,4cyclictest41-21ksoftirqd/322:54:323
1033993327,4cyclictest41-21ksoftirqd/322:12:153
1033993327,4cyclictest41-21ksoftirqd/320:16:173
1033993327,4cyclictest41-21ksoftirqd/319:52:563
1033993326,4cyclictest41-21ksoftirqd/319:15:243
1032993328,3cyclictest33-21ksoftirqd/223:40:402
1032993328,3cyclictest33-21ksoftirqd/223:20:142
1032993328,3cyclictest33-21ksoftirqd/222:51:572
1032993328,3cyclictest33-21ksoftirqd/222:35:102
1032993328,3cyclictest33-21ksoftirqd/222:20:002
1032993327,4cyclictest33-21ksoftirqd/223:48:032
1032993327,4cyclictest33-21ksoftirqd/223:01:062
1032993327,4cyclictest33-21ksoftirqd/221:47:562
1032993327,4cyclictest33-21ksoftirqd/221:20:392
1032993327,4cyclictest33-21ksoftirqd/220:48:552
1032993327,4cyclictest33-21ksoftirqd/220:02:292
1031993328,3cyclictest25-21ksoftirqd/122:10:171
1031993328,3cyclictest25-21ksoftirqd/122:04:041
1031993328,3cyclictest25-21ksoftirqd/121:55:011
1031993328,3cyclictest25-21ksoftirqd/121:55:011
1031993328,3cyclictest25-21ksoftirqd/121:09:591
1031993328,3cyclictest25-21ksoftirqd/120:25:001
1031993327,4cyclictest25-21ksoftirqd/120:17:441
1031993327,3cyclictest25-21ksoftirqd/121:40:141
1031993327,3cyclictest25-21ksoftirqd/100:20:001
1030993328,3cyclictest9-21ksoftirqd/020:58:520
1030993328,3cyclictest9-21ksoftirqd/000:26:520
1030993327,4cyclictest9-21ksoftirqd/023:26:020
1030993327,4cyclictest9-21ksoftirqd/023:12:220
1030993327,4cyclictest9-21ksoftirqd/021:52:560
1030993327,4cyclictest9-21ksoftirqd/021:52:550
1030993327,4cyclictest9-21ksoftirqd/021:14:570
1030993327,4cyclictest9-21ksoftirqd/021:06:220
1030993327,4cyclictest9-21ksoftirqd/000:17:540
1030993327,4cyclictest9-21ksoftirqd/000:02:530
138491320,0ptp4l401ktimersoftd/322:07:303
138491320,0ptp4l401ktimersoftd/319:34:293
1033993227,3cyclictest41-21ksoftirqd/320:25:173
1033993226,4cyclictest41-21ksoftirqd/322:24:203
1033993226,4cyclictest41-21ksoftirqd/322:24:193
1033993226,4cyclictest41-21ksoftirqd/320:51:003
1033993226,3cyclictest41-21ksoftirqd/300:05:003
1033993225,4cyclictest41-21ksoftirqd/321:19:133
1032993228,3cyclictest33-21ksoftirqd/222:25:182
1032993228,3cyclictest33-21ksoftirqd/219:48:442
1032993228,2cyclictest33-21ksoftirqd/219:15:262
1032993226,4cyclictest33-21ksoftirqd/222:14:082
1032993225,4cyclictest33-21ksoftirqd/220:20:132
1031993227,3cyclictest25-21ksoftirqd/123:35:181
1031993227,3cyclictest25-21ksoftirqd/122:45:131
1031993227,3cyclictest25-21ksoftirqd/122:45:001
1031993227,3cyclictest25-21ksoftirqd/121:02:141
1031993227,3cyclictest25-21ksoftirqd/121:00:001
1031993226,4cyclictest25-21ksoftirqd/120:10:071
1031993226,4cyclictest25-21ksoftirqd/100:21:471
1031993225,4cyclictest25-21ksoftirqd/100:30:131
1030993227,3cyclictest9-21ksoftirqd/023:16:030
1030993227,3cyclictest9-21ksoftirqd/023:08:490
1030993227,3cyclictest9-21ksoftirqd/022:13:220
1030993227,3cyclictest9-21ksoftirqd/020:09:130
1030993227,3cyclictest9-21ksoftirqd/000:10:360
1030993226,4cyclictest9-21ksoftirqd/019:33:230
1030993226,4cyclictest9-21ksoftirqd/019:16:580
138491310,0ptp4l401ktimersoftd/323:01:353
138491310,0ptp4l401ktimersoftd/322:58:443
138491310,0ptp4l401ktimersoftd/300:17:463
1033993126,3cyclictest41-21ksoftirqd/320:10:373
1033993125,4cyclictest41-21ksoftirqd/323:25:093
1033993125,4cyclictest41-21ksoftirqd/320:42:063
1032993125,4cyclictest33-21ksoftirqd/223:52:012
1032993125,4cyclictest33-21ksoftirqd/222:56:202
1032993125,4cyclictest33-21ksoftirqd/220:14:532
1032993125,4cyclictest33-21ksoftirqd/219:55:102
1031993127,3cyclictest25-21ksoftirqd/120:55:011
1031993126,3cyclictest25-21ksoftirqd/123:25:131
1031993126,3cyclictest25-21ksoftirqd/121:49:591
1031993126,3cyclictest25-21ksoftirqd/121:27:191
1031993126,3cyclictest25-21ksoftirqd/119:15:001
1031993125,4cyclictest25-21ksoftirqd/121:36:311
1031993125,4cyclictest25-21ksoftirqd/120:27:241
1031993125,3cyclictest25-21ksoftirqd/100:10:191
1030993126,3cyclictest9-21ksoftirqd/022:51:170
1030993126,3cyclictest9-21ksoftirqd/021:00:320
1030993126,3cyclictest9-21ksoftirqd/019:22:320
1030993125,4cyclictest9-21ksoftirqd/023:57:200
1030993125,4cyclictest9-21ksoftirqd/023:31:080
1030993125,4cyclictest9-21ksoftirqd/022:01:050
1030993125,4cyclictest9-21ksoftirqd/019:53:280
1030993125,4cyclictest9-21ksoftirqd/000:33:540
1030993125,3cyclictest9-21ksoftirqd/022:45:470
1033993025,3cyclictest41-21ksoftirqd/321:25:103
1033993025,3cyclictest41-21ksoftirqd/319:39:303
1033993024,4cyclictest41-21ksoftirqd/321:39:223
1033993024,4cyclictest41-21ksoftirqd/321:21:383
1032993025,3cyclictest33-21ksoftirqd/221:17:402
1032993025,3cyclictest33-21ksoftirqd/219:35:112
1032993025,3cyclictest33-21ksoftirqd/200:13:262
1032993024,4cyclictest33-21ksoftirqd/221:28:382
1032993024,4cyclictest33-21ksoftirqd/220:05:342
1031993027,2cyclictest25-21ksoftirqd/119:20:201
1031993026,3cyclictest25-21ksoftirqd/121:20:151
1031993025,3cyclictest25-21ksoftirqd/121:30:411
1030993025,3cyclictest9-21ksoftirqd/022:39:380
1030993025,3cyclictest9-21ksoftirqd/021:55:030
1030993025,3cyclictest9-21ksoftirqd/021:45:380
1030993025,3cyclictest9-21ksoftirqd/021:18:380
1030993024,4cyclictest9-21ksoftirqd/021:36:110
1030993024,4cyclictest9-21ksoftirqd/021:31:580
1030993024,4cyclictest9-21ksoftirqd/019:25:410
1030993024,4cyclictest9-21ksoftirqd/019:12:160
1030993023,4cyclictest9-21ksoftirqd/023:04:370
1033992924,3cyclictest41-21ksoftirqd/300:25:073
1032992923,4cyclictest33-21ksoftirqd/221:43:592
1032992923,4cyclictest33-21ksoftirqd/221:04:402
1032992923,4cyclictest33-21ksoftirqd/200:33:202
1031992924,3cyclictest25-21ksoftirqd/120:46:291
1031992924,3cyclictest25-21ksoftirqd/119:30:201
1031992923,4cyclictest25-21ksoftirqd/121:55:461
1031992923,3cyclictest25-21ksoftirqd/120:40:281
1030992924,3cyclictest9-21ksoftirqd/021:22:500
1030992924,3cyclictest9-21ksoftirqd/020:40:010
1030992923,4cyclictest9-21ksoftirqd/022:33:350
1030992923,4cyclictest9-21ksoftirqd/020:54:350
1030992923,4cyclictest9-21ksoftirqd/019:48:060
1030992922,5cyclictest9-21ksoftirqd/000:39:240
138491280,7ptp4l401ktimersoftd/300:38:063
138491280,0ptp4l401ktimersoftd/322:04:293
1033992823,3cyclictest41-21ksoftirqd/320:35:023
1033992822,4cyclictest41-21ksoftirqd/320:46:393
1032992823,3cyclictest33-21ksoftirqd/220:35:182
1032992822,4cyclictest33-21ksoftirqd/223:58:102
1032992822,4cyclictest33-21ksoftirqd/222:47:422
1032992822,4cyclictest33-21ksoftirqd/221:05:122
1032992822,4cyclictest33-21ksoftirqd/219:40:072
1032992821,5cyclictest33-21ksoftirqd/200:00:142
1030992823,3cyclictest9-21ksoftirqd/020:38:210
1030992822,4cyclictest9-21ksoftirqd/022:42:130
1030992822,4cyclictest9-21ksoftirqd/020:25:090
1030992822,4cyclictest9-21ksoftirqd/020:18:200
1033992723,3cyclictest41-21ksoftirqd/323:35:123
1032992722,3cyclictest33-21ksoftirqd/219:25:592
1032992722,3cyclictest33-21ksoftirqd/200:08:082
1032992720,4cyclictest33-21ksoftirqd/223:05:182
1030992721,4cyclictest9-21ksoftirqd/020:30:320
1032992621,3cyclictest33-21ksoftirqd/220:55:122
1032992621,3cyclictest33-21ksoftirqd/220:28:112
1030992620,4cyclictest9-21ksoftirqd/020:00:470
1032992514,9cyclictest33-21ksoftirqd/220:50:252
1030992520,3cyclictest9-21ksoftirqd/022:19:520
1030991914,3cyclictest4754-21kernelversion20:20:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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