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2025-12-07 - 04:19
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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 Sun Dec 07, 2025 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
427791202167,23phc2sys0-21swapper/319:05:103
283732201166,23sleep10-21swapper/119:07:011
284032200166,23sleep20-21swapper/219:07:212
283922196161,23sleep00-21swapper/019:07:150
427791158122,27phc2sys0-21swapper/319:10:003
2477521450,4sleep32891199cyclictest20:05:163
6152750,2sleep00-21swapper/019:15:260
6152750,2sleep00-21swapper/019:15:250
267272690,5sleep226730-21unixbench_multi22:15:282
427291640,1ptp4l401ktimersoftd/320:30:153
71982590,2sleep10-21swapper/120:35:141
427291590,1ptp4l401ktimersoftd/319:50:293
28910995043,4cyclictest227-21systemd-journal19:35:002
304452480,2sleep10-21swapper/121:20:191
28911994541,2cyclictest41-21ksoftirqd/321:20:003
2891199450,3cyclictest121rcu_preempt22:30:173
28910994541,3cyclictest33-21ksoftirqd/223:20:012
28911994438,3cyclictest41-21ksoftirqd/300:35:003
28911994437,4cyclictest22243-21cron22:10:003
28910994438,4cyclictest33-21ksoftirqd/220:35:002
28910994438,4cyclictest33-21ksoftirqd/200:10:002
427291430,1ptp4l401ktimersoftd/322:10:163
427291430,0ptp4l401ktimersoftd/321:20:553
427291430,0ptp4l401ktimersoftd/320:17:243
28911994338,3cyclictest41-21ksoftirqd/323:55:003
28911994336,4cyclictest41-21ksoftirqd/300:36:593
427291420,0ptp4l401ktimersoftd/321:28:173
28911994237,3cyclictest2601-21cron23:40:003
28911994236,3cyclictest41-21ksoftirqd/321:55:003
28911994232,9cyclictest41-21ksoftirqd/321:10:203
28908994236,3cyclictest9-21ksoftirqd/022:45:000
28908994236,3cyclictest9-21ksoftirqd/022:25:000
28911994136,3cyclictest41-21ksoftirqd/323:30:183
28911994136,3cyclictest41-21ksoftirqd/323:30:003
28911994135,4cyclictest41-21ksoftirqd/300:08:583
28911994130,9cyclictest41-21ksoftirqd/323:05:253
28908994136,3cyclictest9-21ksoftirqd/019:40:000
28911994035,3cyclictest41-21ksoftirqd/322:40:013
28911994035,3cyclictest41-21ksoftirqd/322:30:003
28911994035,3cyclictest41-21ksoftirqd/320:50:303
28911994035,3cyclictest41-21ksoftirqd/320:30:003
28911994035,3cyclictest41-21ksoftirqd/320:00:293
28911994034,4cyclictest41-21ksoftirqd/319:16:203
28911994034,4cyclictest41-21ksoftirqd/319:16:203
28911994034,3cyclictest41-21ksoftirqd/321:37:523
28911994034,3cyclictest41-21ksoftirqd/320:15:003
28910994028,11cyclictest33-21ksoftirqd/219:55:002
28909994033,4cyclictest30015-21ls23:30:001
28909994033,4cyclictest25-21ksoftirqd/120:49:581
28908994035,3cyclictest9-21ksoftirqd/020:00:000
28908994034,4cyclictest9-21ksoftirqd/000:33:150
28908994034,3cyclictest9-21ksoftirqd/000:20:010
28908994033,5cyclictest9-21ksoftirqd/000:28:340
28908994025,4cyclictest9-21ksoftirqd/022:30:240
427291390,0ptp4l401ktimersoftd/300:10:273
28911993935,3cyclictest41-21ksoftirqd/320:45:003
28911993935,2cyclictest41-21ksoftirqd/323:20:013
28911993935,2cyclictest41-21ksoftirqd/321:00:263
28911993934,3cyclictest41-21ksoftirqd/320:55:203
28911993934,3cyclictest41-21ksoftirqd/320:20:273
28911993933,4cyclictest41-21ksoftirqd/323:56:553
28911993933,4cyclictest41-21ksoftirqd/323:23:303
28911993932,4cyclictest41-21ksoftirqd/319:30:003
28911993925,4cyclictest41-21ksoftirqd/322:15:253
28910993934,3cyclictest33-21ksoftirqd/223:55:002
28910993934,3cyclictest33-21ksoftirqd/223:45:012
28910993933,4cyclictest33-21ksoftirqd/221:34:002
28910993933,4cyclictest33-21ksoftirqd/200:00:442
28910993933,3cyclictest33-21ksoftirqd/219:50:012
28910993921,17cyclictest33-21ksoftirqd/222:40:012
28909993933,4cyclictest25-21ksoftirqd/120:19:411
28909993933,4cyclictest25-21ksoftirqd/119:45:431
28909993933,4cyclictest25-21ksoftirqd/119:33:431
28909993932,5cyclictest25-21ksoftirqd/122:58:481
28909993932,4cyclictest25-21ksoftirqd/122:35:051
28909993932,4cyclictest25-21ksoftirqd/120:43:581
28909993932,4cyclictest25-21ksoftirqd/100:10:121
28908993934,3cyclictest9-21ksoftirqd/021:40:010
2890899391,2cyclictest121rcu_preempt20:08:580
427291380,0ptp4l401ktimersoftd/320:45:163
28911993834,2cyclictest41-21ksoftirqd/323:50:003
28911993833,2cyclictest41-21ksoftirqd/323:00:283
28911993833,2cyclictest41-21ksoftirqd/323:00:283
28911993832,4cyclictest41-21ksoftirqd/300:26:593
28911993831,3cyclictest41-21ksoftirqd/321:50:003
28911993825,10cyclictest41-21ksoftirqd/300:15:273
28910993834,3cyclictest33-21ksoftirqd/219:25:012
28910993833,3cyclictest33-21ksoftirqd/223:50:012
28910993833,3cyclictest33-21ksoftirqd/222:30:002
28910993833,3cyclictest33-21ksoftirqd/222:15:002
28910993833,3cyclictest33-21ksoftirqd/221:45:272
28910993833,3cyclictest33-21ksoftirqd/200:30:202
28910993833,3cyclictest33-21ksoftirqd/200:00:002
28910993828,9cyclictest33-21ksoftirqd/223:25:232
28910993825,4cyclictest33-21ksoftirqd/222:30:162
28909993832,4cyclictest25-21ksoftirqd/123:07:311
28909993831,4cyclictest25-21ksoftirqd/121:46:561
28909993831,4cyclictest25-21ksoftirqd/100:24:131
28909993831,4cyclictest25-21ksoftirqd/100:19:561
28908993833,3cyclictest9-21ksoftirqd/020:00:200
28908993833,2cyclictest9-21ksoftirqd/020:15:000
28908993832,3cyclictest9-21ksoftirqd/023:30:000
28908993832,3cyclictest9-21ksoftirqd/019:35:010
28908993831,4cyclictest9-21ksoftirqd/023:12:190
28911993733,2cyclictest41-21ksoftirqd/321:45:023
28911993732,3cyclictest41-21ksoftirqd/323:10:143
28911993732,3cyclictest41-21ksoftirqd/322:20:203
28911993730,4cyclictest41-21ksoftirqd/322:55:053
28911993726,10cyclictest41-21ksoftirqd/323:40:013
28910993733,3cyclictest33-21ksoftirqd/221:00:002
28910993732,4cyclictest33-21ksoftirqd/221:00:142
28910993732,3cyclictest6742-21ls21:40:002
28910993732,3cyclictest33-21ksoftirqd/223:00:132
28910993732,3cyclictest33-21ksoftirqd/223:00:122
28910993732,3cyclictest33-21ksoftirqd/221:45:012
28910993732,3cyclictest33-21ksoftirqd/221:30:002
28910993732,3cyclictest33-21ksoftirqd/220:45:002
28910993732,3cyclictest33-21ksoftirqd/219:20:012
28910993732,3cyclictest33-21ksoftirqd/219:20:002
28910993731,4cyclictest33-21ksoftirqd/222:05:332
28910993731,4cyclictest33-21ksoftirqd/220:02:012
28910993731,4cyclictest33-21ksoftirqd/200:28:252
28910993731,3cyclictest33-21ksoftirqd/222:50:002
28910993730,4cyclictest33-21ksoftirqd/221:57:192
28910993730,4cyclictest33-21ksoftirqd/221:57:192
28910993730,4cyclictest33-21ksoftirqd/221:22:052
28910993726,9cyclictest33-21ksoftirqd/200:35:242
2891099371,4cyclictest10025-21fschecks_time19:35:172
28909993732,3cyclictest25-21ksoftirqd/121:09:441
28909993732,3cyclictest25-21ksoftirqd/120:55:361
28909993731,4cyclictest25-21ksoftirqd/121:11:001
28909993731,4cyclictest25-21ksoftirqd/100:04:471
28909993730,4cyclictest25-21ksoftirqd/121:53:091
28909993730,4cyclictest25-21ksoftirqd/121:15:101
28908993732,3cyclictest9-21ksoftirqd/021:25:010
28908993732,3cyclictest9-21ksoftirqd/020:30:000
28908993731,4cyclictest9-21ksoftirqd/022:15:340
28908993731,4cyclictest9-21ksoftirqd/022:10:450
28908993730,3cyclictest9-21ksoftirqd/022:55:000
28911993632,3cyclictest41-21ksoftirqd/321:58:273
28911993632,3cyclictest41-21ksoftirqd/321:58:273
28911993632,3cyclictest41-21ksoftirqd/320:35:143
28911993631,3cyclictest41-21ksoftirqd/322:00:213
28911993631,3cyclictest41-21ksoftirqd/321:05:243
28911993631,3cyclictest41-21ksoftirqd/319:57:313
28911993631,3cyclictest41-21ksoftirqd/319:45:003
28911993631,3cyclictest41-21ksoftirqd/319:40:003
28911993631,3cyclictest41-21ksoftirqd/300:00:563
28910993631,3cyclictest33-21ksoftirqd/223:20:192
28910993631,3cyclictest33-21ksoftirqd/220:20:192
28910993630,4cyclictest33-21ksoftirqd/222:56:452
28910993630,4cyclictest33-21ksoftirqd/222:24:432
28910993630,4cyclictest33-21ksoftirqd/220:25:562
28910993630,4cyclictest33-21ksoftirqd/219:29:162
28909993631,3cyclictest25-21ksoftirqd/119:24:001
28909993630,4cyclictest25-21ksoftirqd/123:15:531
28909993630,4cyclictest25-21ksoftirqd/122:09:021
28909993630,4cyclictest25-21ksoftirqd/121:43:471
28909993630,4cyclictest25-21ksoftirqd/121:35:561
28909993630,4cyclictest25-21ksoftirqd/119:51:251
28909993630,4cyclictest25-21ksoftirqd/119:13:501
28909993629,4cyclictest25-21ksoftirqd/122:47:451
28908993630,4cyclictest9-21ksoftirqd/023:05:330
28908993630,4cyclictest9-21ksoftirqd/022:28:180
28908993630,4cyclictest9-21ksoftirqd/021:10:390
28908993630,4cyclictest9-21ksoftirqd/019:50:010
28908993630,4cyclictest9-21ksoftirqd/000:11:530
28908993630,3cyclictest9-21ksoftirqd/021:10:000
28908993630,3cyclictest9-21ksoftirqd/020:37:180
28908993630,3cyclictest9-21ksoftirqd/019:25:410
28908993630,3cyclictest9-21ksoftirqd/000:25:010
28908993629,4cyclictest9-21ksoftirqd/021:18:060
28908993629,4cyclictest9-21ksoftirqd/020:24:050
28911993531,3cyclictest41-21ksoftirqd/322:50:273
28911993529,3cyclictest41-21ksoftirqd/322:50:003
28911993528,4cyclictest41-21ksoftirqd/322:40:413
28911993524,10cyclictest41-21ksoftirqd/319:45:283
28910993530,3cyclictest33-21ksoftirqd/223:10:002
28910993530,3cyclictest33-21ksoftirqd/221:15:002
28910993530,3cyclictest33-21ksoftirqd/221:09:212
28910993530,3cyclictest33-21ksoftirqd/220:17:002
28910993530,3cyclictest33-21ksoftirqd/220:10:172
28910993529,4cyclictest33-21ksoftirqd/223:11:452
28910993529,3cyclictest33-21ksoftirqd/200:10:142
28909993530,3cyclictest25-21ksoftirqd/123:57:251
28909993530,3cyclictest25-21ksoftirqd/123:53:201
28909993530,3cyclictest25-21ksoftirqd/119:28:331
28909993530,3cyclictest25-21ksoftirqd/100:29:001
28909993529,4cyclictest25-21ksoftirqd/123:14:211
28909993529,4cyclictest25-21ksoftirqd/121:29:341
28909993529,4cyclictest25-21ksoftirqd/119:36:001
28909993528,4cyclictest25-21ksoftirqd/123:22:191
28908993530,3cyclictest9-21ksoftirqd/021:45:010
28908993530,3cyclictest9-21ksoftirqd/020:55:000
28908993530,3cyclictest9-21ksoftirqd/000:05:200
28908993530,3cyclictest9-21ksoftirqd/000:05:000
28908993529,3cyclictest9-21ksoftirqd/023:20:190
28908993528,4cyclictest9-21ksoftirqd/023:55:120
28911993430,3cyclictest41-21ksoftirqd/319:30:153
28911993429,3cyclictest41-21ksoftirqd/321:30:153
28911993429,3cyclictest41-21ksoftirqd/300:20:173
28910993430,2cyclictest33-21ksoftirqd/223:30:182
28910993429,2cyclictest33-21ksoftirqd/223:35:152
28910993423,10cyclictest33-21ksoftirqd/219:40:222
2891099341,3cyclictest121rcu_preempt20:50:162
2891099340,5cyclictest121rcu_preempt20:35:262
28909993429,3cyclictest25-21ksoftirqd/122:40:361
28909993429,3cyclictest25-21ksoftirqd/122:35:001
28909993429,3cyclictest25-21ksoftirqd/121:32:421
28909993428,4cyclictest25-21ksoftirqd/123:42:451
28909993428,4cyclictest25-21ksoftirqd/123:32:541
28909993428,4cyclictest25-21ksoftirqd/120:33:211
28909993428,4cyclictest25-21ksoftirqd/119:57:551
28909993428,4cyclictest25-21ksoftirqd/100:05:471
28909993427,4cyclictest25-21ksoftirqd/120:53:281
28908993429,3cyclictest9-21ksoftirqd/021:50:000
28908993429,3cyclictest9-21ksoftirqd/020:31:170
28908993429,3cyclictest9-21ksoftirqd/019:53:010
28908993429,3cyclictest9-21ksoftirqd/000:39:590
28908993428,3cyclictest9-21ksoftirqd/022:00:000
28908993428,3cyclictest9-21ksoftirqd/022:00:000
28908993428,3cyclictest9-21ksoftirqd/021:29:490
28908993427,4cyclictest9-21ksoftirqd/023:49:060
28910993328,3cyclictest33-21ksoftirqd/222:55:002
28910993328,3cyclictest33-21ksoftirqd/221:50:122
28910993320,3cyclictest33-21ksoftirqd/220:05:272
28909993327,4cyclictest25-21ksoftirqd/122:22:581
28909993327,4cyclictest25-21ksoftirqd/119:15:421
28909993327,4cyclictest25-21ksoftirqd/119:15:421
28909993326,4cyclictest25-21ksoftirqd/123:03:301
28909993326,4cyclictest25-21ksoftirqd/123:03:301
28909993326,4cyclictest25-21ksoftirqd/122:03:361
28908993328,3cyclictest9-21ksoftirqd/021:31:170
28908993328,3cyclictest9-21ksoftirqd/019:13:370
28908993327,4cyclictest9-21ksoftirqd/023:17:170
28908993327,3cyclictest9-21ksoftirqd/023:52:190
28908993327,3cyclictest9-21ksoftirqd/021:45:090
28908993326,4cyclictest9-21ksoftirqd/020:55:110
28910993226,4cyclictest33-21ksoftirqd/219:59:572
2891099321,3cyclictest121rcu_preempt22:00:202
28909993227,3cyclictest25-21ksoftirqd/122:52:541
28909993226,4cyclictest25-21ksoftirqd/122:11:221
28909993225,4cyclictest25-21ksoftirqd/120:10:011
28908993227,3cyclictest9-21ksoftirqd/023:40:000
28908993227,3cyclictest9-21ksoftirqd/022:35:180
28908993227,3cyclictest9-21ksoftirqd/022:10:010
28908993227,3cyclictest9-21ksoftirqd/021:05:000
28908993227,3cyclictest9-21ksoftirqd/019:25:010
28908993226,4cyclictest9-21ksoftirqd/020:46:240
28908993226,3cyclictest9-21ksoftirqd/019:40:140
28911993125,4cyclictest41-21ksoftirqd/319:20:023
28910993126,3cyclictest33-21ksoftirqd/222:40:532
28910993126,3cyclictest33-21ksoftirqd/200:20:142
28910993125,4cyclictest33-21ksoftirqd/221:19:242
28909993126,3cyclictest25-21ksoftirqd/123:38:271
28909993126,3cyclictest25-21ksoftirqd/100:33:591
28909993125,4cyclictest25-21ksoftirqd/119:40:541
28908993126,3cyclictest9-21ksoftirqd/022:45:140
28908993126,3cyclictest9-21ksoftirqd/022:04:470
28910993025,3cyclictest33-21ksoftirqd/219:10:162
28908993024,3cyclictest9-21ksoftirqd/023:00:140
28908993024,3cyclictest9-21ksoftirqd/023:00:140
28908993013,8cyclictest9-21ksoftirqd/023:40:250
28910992924,3cyclictest33-21ksoftirqd/200:18:252
28909992924,3cyclictest25-21ksoftirqd/122:28:311
28909992923,4cyclictest25-21ksoftirqd/121:03:381
28909992923,4cyclictest25-21ksoftirqd/120:25:111
28909992923,4cyclictest25-21ksoftirqd/100:38:541
28908992924,3cyclictest11390-21sshd20:42:360
28908992913,7cyclictest9-21ksoftirqd/023:30:190
28910992824,2cyclictest33-21ksoftirqd/220:45:182
28909992823,3cyclictest25-21ksoftirqd/123:47:471
28908992823,3cyclictest9-21ksoftirqd/022:55:210
28909992722,3cyclictest25-21ksoftirqd/121:56:461
28909992722,3cyclictest25-21ksoftirqd/121:56:461
28909992623,2cyclictest25-21ksoftirqd/122:15:311
2890999261,2cyclictest0-21swapper/120:20:371
28909992520,3cyclictest1621-21gnome-shell20:10:581
2890899259,4cyclictest9-21ksoftirqd/020:15:260
28909992115,4cyclictest25-21ksoftirqd/120:03:531
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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