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2026-04-15 - 12:07
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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 rackdslot3.osadl.org (updated Wed Apr 15, 2026 00:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114512205171,23sleep30-21swapper/319:06:423
116902203170,22sleep10-21swapper/119:09:491
95742202171,20sleep20-21swapper/219:05:072
115352199167,22sleep00-21swapper/019:07:460
2818121530,7sleep31200099cyclictest00:10:283
2818121530,7sleep31200099cyclictest00:10:283
11997996524,6cyclictest9-21ksoftirqd/023:15:190
11997996424,6cyclictest9-21ksoftirqd/020:05:220
11997996424,6cyclictest9-21ksoftirqd/019:35:140
11997996325,6cyclictest9-21ksoftirqd/021:35:190
11997996323,6cyclictest9-21ksoftirqd/022:35:130
11997996323,6cyclictest9-21ksoftirqd/021:50:230
11997996322,6cyclictest9-21ksoftirqd/020:45:240
11997996223,6cyclictest9-21ksoftirqd/019:10:230
301722610,2sleep10-21swapper/100:15:241
11997996131,4cyclictest9-21ksoftirqd/022:50:000
11997996128,6cyclictest9-21ksoftirqd/019:55:270
11997996128,4cyclictest9-21ksoftirqd/021:55:240
11997996124,8cyclictest9-21ksoftirqd/000:00:250
11997996124,6cyclictest9-21ksoftirqd/023:55:180
11997996124,6cyclictest9-21ksoftirqd/019:50:210
11997996123,6cyclictest9-21ksoftirqd/020:55:170
11997996121,6cyclictest9-21ksoftirqd/021:25:240
11997996030,3cyclictest9-21ksoftirqd/023:30:010
11997996027,4cyclictest9-21ksoftirqd/020:40:170
11997996025,5cyclictest9-21ksoftirqd/020:30:140
11997996024,6cyclictest9-21ksoftirqd/000:35:200
11997996023,5cyclictest9-21ksoftirqd/022:25:180
4212590,3sleep21199999cyclictest19:50:242
11997995927,6cyclictest9-21ksoftirqd/021:15:190
11997995924,4cyclictest9-21ksoftirqd/020:10:160
11997995923,6cyclictest9-21ksoftirqd/019:15:250
11997995922,5cyclictest9-21ksoftirqd/000:15:230
254092580,2sleep30-21swapper/319:35:263
11997995826,4cyclictest9-21ksoftirqd/020:25:150
11997995822,5cyclictest9-21ksoftirqd/000:20:170
139391570,1ptp4l23351-21/usr/sbin/munin22:55:183
11997995727,8cyclictest9-21ksoftirqd/020:50:260
11997995726,5cyclictest9-21ksoftirqd/022:20:250
11997995726,4cyclictest9-21ksoftirqd/022:55:130
11997995723,6cyclictest9-21ksoftirqd/022:30:190
11997995623,6cyclictest9-21ksoftirqd/022:50:170
11997995623,5cyclictest9-21ksoftirqd/020:25:000
11997995623,3cyclictest9-21ksoftirqd/019:40:220
11997995623,10cyclictest9-21ksoftirqd/023:00:180
11997995618,4cyclictest9-21ksoftirqd/000:05:270
11997995522,6cyclictest9-21ksoftirqd/022:00:270
11997995521,5cyclictest9-21ksoftirqd/021:40:230
1199799546,7cyclictest9-21ksoftirqd/022:10:170
1199799545,6cyclictest9-21ksoftirqd/022:40:170
11997995425,5cyclictest9-21ksoftirqd/023:50:130
11997995421,5cyclictest9-21ksoftirqd/000:30:240
1199799533,6cyclictest9-21ksoftirqd/019:30:190
1199799532,7cyclictest9-21ksoftirqd/020:00:240
1199799532,7cyclictest12981-21apt-get20:20:000
11997995324,4cyclictest9-21ksoftirqd/019:45:200
11997995323,5cyclictest9-21ksoftirqd/023:20:190
11997995323,5cyclictest9-21ksoftirqd/023:20:190
11997995320,5cyclictest9-21ksoftirqd/022:05:210
11997995319,6cyclictest9-21ksoftirqd/023:10:230
1199799527,3cyclictest9-21ksoftirqd/021:00:120
1199799523,6cyclictest9-21ksoftirqd/023:45:250
1199799523,6cyclictest9-21ksoftirqd/021:10:220
1199799522,7cyclictest9-21ksoftirqd/021:20:260
11997995224,8cyclictest9-21ksoftirqd/023:25:130
11997995224,4cyclictest9-21ksoftirqd/023:40:150
11997995223,7cyclictest9-21ksoftirqd/021:35:010
1199799513,6cyclictest9-21ksoftirqd/022:15:170
1199799513,6cyclictest9-21ksoftirqd/021:45:230
1199799512,6cyclictest9-21ksoftirqd/023:05:220
1199799512,6cyclictest9-21ksoftirqd/019:20:240
11997995119,5cyclictest9-21ksoftirqd/000:25:190
11997995118,6cyclictest9-21ksoftirqd/023:35:200
11997995117,4cyclictest9-21ksoftirqd/019:25:560
1199799502,6cyclictest9-21ksoftirqd/020:35:260
1199799493,6cyclictest9-21ksoftirqd/021:05:220
1199799491,6cyclictest9-21ksoftirqd/000:10:150
1199799491,6cyclictest9-21ksoftirqd/000:10:150
155262480,2sleep10-21swapper/122:40:001
139391430,1ptp4l401ktimersoftd/322:05:213
139391430,0ptp4l401ktimersoftd/321:12:103
139391420,0ptp4l401ktimersoftd/322:40:243
139391420,0ptp4l401ktimersoftd/320:24:563
1394914132,4phc2sys0-21swapper/319:10:003
139391410,0ptp4l401ktimersoftd/321:50:023
139391410,0ptp4l401ktimersoftd/320:59:113
11999994035,3cyclictest890-21cron00:25:012
12000993932,4cyclictest41-21ksoftirqd/300:21:163
11999993933,4cyclictest33-21ksoftirqd/220:50:002
11998993934,3cyclictest25-21ksoftirqd/120:10:001
139391370,0ptp4l401ktimersoftd/322:30:213
11998993732,3cyclictest25-21ksoftirqd/121:40:171
11998993731,4cyclictest25-21ksoftirqd/123:45:581
12000993630,4cyclictest41-21ksoftirqd/321:45:543
11999993631,3cyclictest33-21ksoftirqd/221:05:122
11999993630,4cyclictest33-21ksoftirqd/222:34:392
11998993629,5cyclictest25-21ksoftirqd/121:13:511
11998993629,4cyclictest25-21ksoftirqd/123:15:141
11998993629,4cyclictest23619-21cron00:05:001
139391350,0ptp4l401ktimersoftd/319:43:593
139391350,0ptp4l401ktimersoftd/319:23:163
12000993529,4cyclictest41-21ksoftirqd/323:38:073
12000993529,4cyclictest41-21ksoftirqd/323:11:593
12000993529,4cyclictest41-21ksoftirqd/319:51:213
11999993529,4cyclictest33-21ksoftirqd/222:21:482
11999993529,4cyclictest33-21ksoftirqd/221:20:452
11999993529,4cyclictest33-21ksoftirqd/220:01:162
11999993529,4cyclictest33-21ksoftirqd/200:09:072
11998993529,4cyclictest25-21ksoftirqd/123:23:411
11998993529,4cyclictest25-21ksoftirqd/123:23:411
11998993529,4cyclictest25-21ksoftirqd/119:53:161
11998993529,4cyclictest25-21ksoftirqd/119:35:521
11998993529,4cyclictest25-21ksoftirqd/100:35:281
139391340,0ptp4l401ktimersoftd/320:10:243
139391340,0ptp4l401ktimersoftd/320:00:113
12000993428,4cyclictest41-21ksoftirqd/323:16:293
12000993428,4cyclictest41-21ksoftirqd/322:38:503
12000993428,4cyclictest41-21ksoftirqd/322:22:093
12000993428,4cyclictest41-21ksoftirqd/319:30:323
12000993428,4cyclictest41-21ksoftirqd/300:02:223
11999993429,3cyclictest33-21ksoftirqd/223:26:552
11999993428,4cyclictest33-21ksoftirqd/222:26:172
11999993428,4cyclictest33-21ksoftirqd/222:06:112
11999993428,4cyclictest33-21ksoftirqd/221:58:012
11999993428,4cyclictest33-21ksoftirqd/221:48:262
11999993428,4cyclictest33-21ksoftirqd/221:40:362
11999993428,4cyclictest33-21ksoftirqd/200:15:282
11999993428,4cyclictest33-21ksoftirqd/200:03:292
11999993419,2cyclictest33-21ksoftirqd/219:20:152
11998993428,4cyclictest25-21ksoftirqd/122:31:581
11998993428,4cyclictest25-21ksoftirqd/122:23:031
11998993428,4cyclictest25-21ksoftirqd/119:15:361
11998993427,5cyclictest25-21ksoftirqd/121:22:341
12000993328,3cyclictest41-21ksoftirqd/322:29:273
12000993328,3cyclictest41-21ksoftirqd/321:20:113
12000993328,3cyclictest41-21ksoftirqd/319:17:153
12000993327,4cyclictest41-21ksoftirqd/323:21:583
12000993327,4cyclictest41-21ksoftirqd/323:21:583
12000993327,4cyclictest41-21ksoftirqd/322:50:573
12000993327,4cyclictest41-21ksoftirqd/320:52:243
12000993327,4cyclictest41-21ksoftirqd/320:34:543
11999993328,3cyclictest33-21ksoftirqd/223:41:132
11999993328,3cyclictest33-21ksoftirqd/222:55:002
11999993328,3cyclictest33-21ksoftirqd/219:15:372
11999993327,4cyclictest33-21ksoftirqd/223:34:332
11999993327,4cyclictest33-21ksoftirqd/222:43:142
11999993327,4cyclictest33-21ksoftirqd/219:30:582
11999993326,5cyclictest33-21ksoftirqd/219:41:542
11998993327,4cyclictest25-21ksoftirqd/123:56:301
11998993327,4cyclictest25-21ksoftirqd/123:33:441
11998993327,4cyclictest25-21ksoftirqd/122:01:571
11998993327,4cyclictest25-21ksoftirqd/121:57:291
11998993327,4cyclictest25-21ksoftirqd/120:53:261
11998993327,4cyclictest25-21ksoftirqd/120:23:101
11998993326,4cyclictest25-21ksoftirqd/121:49:581
224882320,4sleep122489-21idleruntime-cro22:55:001
12000993227,3cyclictest41-21ksoftirqd/319:30:003
12000993226,4cyclictest41-21ksoftirqd/300:07:343
11999993227,3cyclictest33-21ksoftirqd/223:05:202
11999993227,3cyclictest33-21ksoftirqd/222:12:042
11999993226,4cyclictest33-21ksoftirqd/220:34:532
11999993226,4cyclictest33-21ksoftirqd/220:27:152
11999993226,4cyclictest33-21ksoftirqd/200:35:552
11998993228,2cyclictest25-21ksoftirqd/119:10:181
11998993227,3cyclictest25-21ksoftirqd/121:28:111
11998993227,3cyclictest25-21ksoftirqd/121:00:121
11998993226,4cyclictest25-21ksoftirqd/123:44:591
11998993226,4cyclictest25-21ksoftirqd/123:29:261
11998993226,4cyclictest25-21ksoftirqd/121:50:381
11998993226,4cyclictest25-21ksoftirqd/119:31:051
11998993226,4cyclictest25-21ksoftirqd/100:33:411
11998993225,4cyclictest25-21ksoftirqd/120:34:441
304212310,6sleep11199899cyclictest23:10:171
139391310,0ptp4l401ktimersoftd/323:55:393
139391310,0ptp4l401ktimersoftd/323:51:233
139391310,0ptp4l401ktimersoftd/321:34:293
139391310,0ptp4l401ktimersoftd/321:00:403
139391310,0ptp4l401ktimersoftd/320:37:513
12000993127,2cyclictest139391ptp4l21:07:023
12000993126,3cyclictest41-21ksoftirqd/323:31:093
12000993126,3cyclictest41-21ksoftirqd/321:37:043
12000993125,4cyclictest41-21ksoftirqd/323:47:463
12000993125,4cyclictest41-21ksoftirqd/323:02:413
12000993125,4cyclictest41-21ksoftirqd/322:46:283
11999993127,3cyclictest33-21ksoftirqd/222:15:112
11999993127,3cyclictest33-21ksoftirqd/221:25:112
11999993126,3cyclictest33-21ksoftirqd/222:35:342
11999993125,4cyclictest33-21ksoftirqd/222:03:552
11999993125,4cyclictest33-21ksoftirqd/221:30:062
11999993125,4cyclictest33-21ksoftirqd/221:13:002
11999993125,4cyclictest33-21ksoftirqd/219:35:362
11999993124,5cyclictest33-21ksoftirqd/221:39:242
11998993126,3cyclictest25-21ksoftirqd/123:55:011
11998993125,4cyclictest25-21ksoftirqd/121:34:331
11998993125,4cyclictest25-21ksoftirqd/120:11:291
11998993125,4cyclictest25-21ksoftirqd/119:49:241
11998993125,4cyclictest25-21ksoftirqd/100:12:231
11998993125,4cyclictest25-21ksoftirqd/100:12:231
12000993025,3cyclictest41-21ksoftirqd/320:25:133
12000993024,4cyclictest41-21ksoftirqd/322:02:193
11999993025,3cyclictest33-21ksoftirqd/221:54:562
11999993025,3cyclictest33-21ksoftirqd/220:54:532
11999993025,3cyclictest33-21ksoftirqd/220:41:032
11999993025,3cyclictest33-21ksoftirqd/200:33:262
11999993025,3cyclictest33-21ksoftirqd/200:10:112
11999993025,3cyclictest33-21ksoftirqd/200:10:112
11999993024,4cyclictest33-21ksoftirqd/220:21:452
11999993018,10cyclictest33-21ksoftirqd/221:16:372
11998993025,3cyclictest25-21ksoftirqd/123:36:191
11998993025,3cyclictest25-21ksoftirqd/122:55:441
11998993025,3cyclictest25-21ksoftirqd/100:25:191
11998993024,4cyclictest25-21ksoftirqd/120:49:521
11998993024,4cyclictest25-21ksoftirqd/120:42:421
11998993024,3cyclictest25-21ksoftirqd/120:00:001
139391290,0ptp4l401ktimersoftd/323:44:113
139391290,0ptp4l401ktimersoftd/321:43:503
139391290,0ptp4l401ktimersoftd/321:29:053
139391290,0ptp4l401ktimersoftd/320:47:423
12000992924,3cyclictest41-21ksoftirqd/322:11:153
12000992924,3cyclictest41-21ksoftirqd/321:58:343
12000992924,3cyclictest41-21ksoftirqd/320:44:583
12000992923,4cyclictest41-21ksoftirqd/300:31:413
12000992923,4cyclictest41-21ksoftirqd/300:15:343
11999992924,3cyclictest33-21ksoftirqd/223:58:402
11999992924,3cyclictest33-21ksoftirqd/223:40:002
11999992924,3cyclictest33-21ksoftirqd/220:16:102
11999992924,3cyclictest33-21ksoftirqd/220:08:552
11999992924,3cyclictest33-21ksoftirqd/219:58:012
11999992923,4cyclictest33-21ksoftirqd/223:46:322
11998992924,3cyclictest25-21ksoftirqd/122:49:261
11998992924,3cyclictest25-21ksoftirqd/122:14:361
11998992923,4cyclictest25-21ksoftirqd/123:05:111
11998992923,4cyclictest25-21ksoftirqd/122:42:531
11998992923,4cyclictest25-21ksoftirqd/121:35:051
11998992923,4cyclictest25-21ksoftirqd/120:55:391
11998992923,4cyclictest25-21ksoftirqd/100:22:101
11998992923,4cyclictest25-21ksoftirqd/100:05:121
11998992922,4cyclictest25-21ksoftirqd/121:16:581
139391280,0ptp4l401ktimersoftd/300:36:363
12000992823,3cyclictest41-21ksoftirqd/323:27:023
12000992823,3cyclictest41-21ksoftirqd/322:19:163
12000992823,3cyclictest41-21ksoftirqd/319:45:493
12000992822,3cyclictest9390-21awk21:20:003
11999992823,3cyclictest33-21ksoftirqd/222:56:142
11999992823,3cyclictest33-21ksoftirqd/220:36:262
11999992822,4cyclictest33-21ksoftirqd/223:51:342
11999992822,4cyclictest33-21ksoftirqd/222:48:032
11999992822,4cyclictest33-21ksoftirqd/219:47:592
11998992822,4cyclictest25-21ksoftirqd/120:36:121
11998992822,4cyclictest25-21ksoftirqd/120:16:561
11999992722,3cyclictest33-21ksoftirqd/220:59:162
11999992722,3cyclictest33-21ksoftirqd/219:26:442
1199999271,6cyclictest29827-21apt-get23:10:132
11998992722,3cyclictest25-21ksoftirqd/122:27:401
11998992722,3cyclictest25-21ksoftirqd/122:17:091
11998992722,3cyclictest25-21ksoftirqd/121:07:451
11998992721,4cyclictest25-21ksoftirqd/119:24:481
139391260,0ptp4l401ktimersoftd/320:18:123
12000992621,3cyclictest41-21ksoftirqd/300:25:573
12000992620,4cyclictest41-21ksoftirqd/320:08:263
11999992621,3cyclictest33-21ksoftirqd/223:24:262
11999992621,3cyclictest33-21ksoftirqd/223:24:262
11999992621,3cyclictest33-21ksoftirqd/223:16:052
11999992621,3cyclictest33-21ksoftirqd/220:11:292
11999992621,3cyclictest33-21ksoftirqd/219:14:222
11998992621,3cyclictest25-21ksoftirqd/122:05:091
11998992621,3cyclictest25-21ksoftirqd/120:29:411
11998992620,4cyclictest25-21ksoftirqd/119:26:481
12000992520,3cyclictest41-21ksoftirqd/323:06:043
12000992520,3cyclictest41-21ksoftirqd/319:57:233
11999992519,4cyclictest33-21ksoftirqd/223:00:202
11998992519,4cyclictest25-21ksoftirqd/119:41:091
11999992316,5cyclictest33-21ksoftirqd/221:00:322
11998992218,3cyclictest25-21ksoftirqd/123:00:191
11999992116,3cyclictest33-21ksoftirqd/200:25:402
11998992015,3cyclictest25-21ksoftirqd/120:00:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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