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2026-06-29 - 06:34
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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 Mon Jun 29, 2026 00:46:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
116142247202,35sleep20-21swapper/219:09:592
139491231165,22phc2sys0-21swapper/319:08:013
116132206172,22sleep10-21swapper/119:09:571
116062206173,22sleep00-21swapper/019:09:530
139391590,1ptp4l7030-21irqstats22:20:193
139391580,1ptp4l401ktimersoftd/323:00:123
139391520,38ptp4l0-21swapper/319:10:003
71952510,2sleep00-21swapper/021:15:000
139391500,1ptp4l401ktimersoftd/323:25:503
50742470,4sleep35079-21cpuspeed_turbos21:10:133
11908994527,15cyclictest9-21ksoftirqd/021:15:120
139391440,0ptp4l401ktimersoftd/320:45:183
139391430,0ptp4l401ktimersoftd/320:15:323
139391430,0ptp4l401ktimersoftd/300:38:273
11910994337,3cyclictest26325-21cron21:55:002
1191099430,41cyclictest0-21swapper/222:50:232
1191099430,1cyclictest0-21swapper/223:35:232
139391420,0ptp4l401ktimersoftd/323:45:133
139391420,0ptp4l401ktimersoftd/319:27:053
57898410,8rtkit-daemon0-21swapper/019:41:230
139391410,0ptp4l401ktimersoftd/320:25:263
11911994136,3cyclictest1026-21cron22:10:003
11911993935,2cyclictest41-21ksoftirqd/319:39:593
11911993933,3cyclictest41-21ksoftirqd/321:10:013
11910993921,16cyclictest26471-21cron00:10:012
11911993834,2cyclictest41-21ksoftirqd/321:30:013
11911993834,2cyclictest41-21ksoftirqd/321:30:003
11911993834,2cyclictest41-21ksoftirqd/319:20:013
11910993833,3cyclictest33-21ksoftirqd/219:10:142
11908993831,4cyclictest9-21ksoftirqd/022:20:110
57898370,5rtkit-daemon0-21swapper/019:51:140
139391370,0ptp4l401ktimersoftd/323:09:483
11911993732,3cyclictest41-21ksoftirqd/323:40:003
1191199371,33cyclictest22398-21systemctl20:40:013
11910993732,3cyclictest33-21ksoftirqd/220:35:102
11909993731,3cyclictest25-21ksoftirqd/100:25:131
11909993731,3cyclictest25-21ksoftirqd/100:25:131
11909993730,5cyclictest25-21ksoftirqd/119:22:291
11909993730,4cyclictest25-21ksoftirqd/121:51:311
11909993729,4cyclictest25-21ksoftirqd/119:15:101
11911993632,2cyclictest41-21ksoftirqd/321:55:013
11911993631,3cyclictest41-21ksoftirqd/321:35:003
11911993631,3cyclictest41-21ksoftirqd/320:40:503
11910993630,4cyclictest33-21ksoftirqd/220:53:242
11910993630,4cyclictest33-21ksoftirqd/219:57:312
11910993630,4cyclictest33-21ksoftirqd/219:57:312
11909993630,4cyclictest25-21ksoftirqd/123:17:281
11909993630,4cyclictest25-21ksoftirqd/121:02:051
11909993630,4cyclictest25-21ksoftirqd/120:41:481
11909993630,3cyclictest23906-21sh00:05:001
57898350,2rtkit-daemon0-21swapper/021:05:210
11911993531,2cyclictest41-21ksoftirqd/323:15:283
11911993531,2cyclictest41-21ksoftirqd/323:00:003
11911993531,2cyclictest41-21ksoftirqd/320:10:153
11911993530,2cyclictest41-21ksoftirqd/300:15:143
11911993529,4cyclictest41-21ksoftirqd/323:59:383
11911993529,4cyclictest41-21ksoftirqd/320:30:383
11911993529,4cyclictest41-21ksoftirqd/300:06:533
11910993529,4cyclictest33-21ksoftirqd/223:56:042
11910993529,4cyclictest33-21ksoftirqd/223:43:572
11910993529,4cyclictest33-21ksoftirqd/223:12:042
11910993528,5cyclictest33-21ksoftirqd/221:29:462
11910993528,5cyclictest33-21ksoftirqd/221:29:462
11910993528,4cyclictest33-21ksoftirqd/221:35:122
11909993529,4cyclictest25-21ksoftirqd/123:29:361
11909993529,4cyclictest25-21ksoftirqd/123:13:111
11909993529,4cyclictest25-21ksoftirqd/122:39:091
11909993529,4cyclictest25-21ksoftirqd/121:13:001
11909993529,3cyclictest25-21ksoftirqd/121:25:211
11909993529,3cyclictest25-21ksoftirqd/121:25:201
11909993528,5cyclictest25-21ksoftirqd/121:49:231
11908993529,4cyclictest9-21ksoftirqd/022:54:530
11908993529,4cyclictest9-21ksoftirqd/020:24:050
11908993529,4cyclictest9-21ksoftirqd/020:19:240
11911993431,2cyclictest41-21ksoftirqd/319:55:193
11911993431,2cyclictest41-21ksoftirqd/319:55:183
11911993429,3cyclictest41-21ksoftirqd/322:45:193
11911993429,3cyclictest41-21ksoftirqd/322:00:153
11911993429,3cyclictest41-21ksoftirqd/321:45:003
11911993429,3cyclictest41-21ksoftirqd/321:36:253
11911993429,3cyclictest41-21ksoftirqd/321:17:393
11911993429,3cyclictest41-21ksoftirqd/321:05:013
11911993429,3cyclictest41-21ksoftirqd/319:40:263
11911993429,3cyclictest41-21ksoftirqd/300:30:193
11911993429,3cyclictest41-21ksoftirqd/300:20:123
11911993428,4cyclictest41-21ksoftirqd/322:35:153
11910993429,3cyclictest7065-21cron21:14:592
11910993429,3cyclictest33-21ksoftirqd/223:25:122
11910993429,3cyclictest33-21ksoftirqd/219:45:492
11910993429,3cyclictest33-21ksoftirqd/219:20:112
11910993428,4cyclictest33-21ksoftirqd/222:47:122
11910993428,4cyclictest33-21ksoftirqd/222:37:012
11910993428,4cyclictest33-21ksoftirqd/221:16:352
11910993428,4cyclictest33-21ksoftirqd/221:01:382
11910993428,4cyclictest33-21ksoftirqd/219:42:162
11910993428,4cyclictest33-21ksoftirqd/219:34:572
11909993428,4cyclictest25-21ksoftirqd/122:53:091
11909993428,4cyclictest25-21ksoftirqd/122:33:351
11909993428,4cyclictest25-21ksoftirqd/122:33:351
11909993428,4cyclictest25-21ksoftirqd/122:17:561
11909993428,4cyclictest25-21ksoftirqd/120:58:041
11909993428,4cyclictest25-21ksoftirqd/120:58:041
11909993428,4cyclictest25-21ksoftirqd/120:27:271
11909993428,4cyclictest25-21ksoftirqd/120:18:091
11909993428,4cyclictest25-21ksoftirqd/120:13:111
11909993428,4cyclictest25-21ksoftirqd/119:44:261
11909993428,4cyclictest25-21ksoftirqd/100:11:161
11909993427,5cyclictest25-21ksoftirqd/123:39:591
11909993427,5cyclictest25-21ksoftirqd/122:09:041
11908993429,3cyclictest9-21ksoftirqd/023:14:260
11908993429,3cyclictest9-21ksoftirqd/020:55:120
11908993429,3cyclictest9-21ksoftirqd/020:55:120
11908993429,3cyclictest9-21ksoftirqd/019:30:290
11908993428,4cyclictest9-21ksoftirqd/000:22:570
57898330,1rtkit-daemon0-21swapper/000:07:000
253042330,2sleep20-21swapper/223:00:002
11911993328,3cyclictest41-21ksoftirqd/320:55:273
11911993328,3cyclictest41-21ksoftirqd/320:55:273
11911993327,4cyclictest41-21ksoftirqd/323:12:293
11911993327,4cyclictest41-21ksoftirqd/320:21:273
11910993328,3cyclictest33-21ksoftirqd/221:59:432
11910993328,3cyclictest33-21ksoftirqd/221:59:432
11910993328,3cyclictest33-21ksoftirqd/220:13:362
11910993328,3cyclictest33-21ksoftirqd/219:18:312
11910993327,4cyclictest33-21ksoftirqd/222:24:062
11910993327,4cyclictest33-21ksoftirqd/222:09:582
11910993327,4cyclictest33-21ksoftirqd/221:40:502
11910993327,4cyclictest33-21ksoftirqd/220:23:272
11910993320,12cyclictest33-21ksoftirqd/223:55:002
11909993329,3cyclictest25-21ksoftirqd/121:10:011
11909993327,4cyclictest25-21ksoftirqd/123:42:271
11909993327,4cyclictest25-21ksoftirqd/122:59:071
11909993327,4cyclictest25-21ksoftirqd/122:44:391
11909993327,4cyclictest25-21ksoftirqd/121:25:001
11909993327,4cyclictest25-21ksoftirqd/120:54:231
11909993327,4cyclictest25-21ksoftirqd/119:57:111
11909993327,4cyclictest25-21ksoftirqd/119:57:111
11909993326,5cyclictest25-21ksoftirqd/121:56:261
11909993326,5cyclictest25-21ksoftirqd/121:56:251
11908993328,3cyclictest9-21ksoftirqd/023:03:030
11908993327,4cyclictest9-21ksoftirqd/023:38:410
11908993327,4cyclictest9-21ksoftirqd/021:24:430
11908993327,4cyclictest9-21ksoftirqd/019:58:210
11908993327,4cyclictest9-21ksoftirqd/019:58:210
57898320,2rtkit-daemon0-21swapper/021:50:200
1191199324,6cyclictest41-21ksoftirqd/322:40:273
11911993227,3cyclictest41-21ksoftirqd/322:55:003
11911993227,3cyclictest41-21ksoftirqd/319:50:153
11911993226,4cyclictest41-21ksoftirqd/321:24:253
11911993226,4cyclictest41-21ksoftirqd/320:01:253
11911993226,3cyclictest41-21ksoftirqd/319:45:203
11910993227,3cyclictest33-21ksoftirqd/223:30:132
11910993227,3cyclictest33-21ksoftirqd/223:09:472
11910993227,3cyclictest33-21ksoftirqd/221:50:002
11910993226,4cyclictest33-21ksoftirqd/222:12:262
11910993226,4cyclictest33-21ksoftirqd/220:25:042
11910993226,4cyclictest33-21ksoftirqd/220:02:302
11909993226,4cyclictest25-21ksoftirqd/122:49:401
11909993226,4cyclictest25-21ksoftirqd/121:42:491
11909993226,4cyclictest25-21ksoftirqd/120:04:281
11909993226,4cyclictest25-21ksoftirqd/100:33:301
11908993227,3cyclictest9-21ksoftirqd/023:17:000
11908993227,3cyclictest9-21ksoftirqd/019:14:500
11908993226,4cyclictest9-21ksoftirqd/023:51:010
11908993226,4cyclictest9-21ksoftirqd/023:29:190
11908993226,4cyclictest9-21ksoftirqd/023:23:210
11908993226,4cyclictest9-21ksoftirqd/022:25:520
11908993226,4cyclictest9-21ksoftirqd/021:55:230
11908993226,4cyclictest9-21ksoftirqd/021:55:230
11908993226,4cyclictest9-21ksoftirqd/020:51:410
11908993226,4cyclictest9-21ksoftirqd/020:38:210
11908993226,4cyclictest9-21ksoftirqd/020:07:090
11908993226,4cyclictest9-21ksoftirqd/000:26:590
11908993226,4cyclictest9-21ksoftirqd/000:26:590
11908993226,4cyclictest9-21ksoftirqd/000:03:080
11908993226,3cyclictest9-21ksoftirqd/022:45:110
139391310,9ptp4l401ktimersoftd/319:24:143
11911993126,3cyclictest41-21ksoftirqd/323:40:133
11911993126,3cyclictest41-21ksoftirqd/320:55:003
11911993126,3cyclictest41-21ksoftirqd/300:12:493
11911993125,4cyclictest41-21ksoftirqd/323:25:003
11911993125,4cyclictest41-21ksoftirqd/321:56:193
11911993125,4cyclictest41-21ksoftirqd/321:56:193
11911993125,4cyclictest41-21ksoftirqd/300:25:223
11911993125,4cyclictest41-21ksoftirqd/300:25:213
11911993120,9cyclictest41-21ksoftirqd/321:45:173
11911993113,6cyclictest41-21ksoftirqd/322:25:193
11910993126,3cyclictest33-21ksoftirqd/220:15:112
11910993126,3cyclictest33-21ksoftirqd/200:28:262
11910993126,3cyclictest33-21ksoftirqd/200:28:262
11910993126,3cyclictest33-21ksoftirqd/200:20:342
11910993125,4cyclictest33-21ksoftirqd/223:18:502
11910993125,4cyclictest33-21ksoftirqd/222:43:512
11910993125,4cyclictest33-21ksoftirqd/221:22:402
11910993125,4cyclictest33-21ksoftirqd/220:42:162
11910993125,4cyclictest33-21ksoftirqd/219:25:582
11909993126,3cyclictest25-21ksoftirqd/100:07:191
11909993125,4cyclictest25-21ksoftirqd/123:46:211
11909993125,4cyclictest25-21ksoftirqd/122:25:531
11909993125,4cyclictest25-21ksoftirqd/122:02:181
11909993125,4cyclictest25-21ksoftirqd/121:35:311
11909993125,4cyclictest25-21ksoftirqd/119:54:291
11909993124,5cyclictest25-21ksoftirqd/119:34:561
11908993126,3cyclictest9-21ksoftirqd/019:23:150
11908993125,4cyclictest9-21ksoftirqd/023:05:040
11908993125,4cyclictest9-21ksoftirqd/022:40:320
11908993125,4cyclictest9-21ksoftirqd/021:31:440
11908993125,4cyclictest9-21ksoftirqd/019:38:210
139391300,0ptp4l401ktimersoftd/323:31:243
11911993026,2cyclictest41-21ksoftirqd/322:17:293
11911993026,2cyclictest41-21ksoftirqd/322:15:003
11911993026,2cyclictest41-21ksoftirqd/300:00:143
11911993025,3cyclictest41-21ksoftirqd/320:07:213
11911993024,4cyclictest41-21ksoftirqd/322:31:493
11911993024,4cyclictest41-21ksoftirqd/322:31:493
11910993025,3cyclictest33-21ksoftirqd/220:56:172
11910993025,3cyclictest33-21ksoftirqd/220:56:162
11910993025,3cyclictest33-21ksoftirqd/200:30:442
11910993024,4cyclictest33-21ksoftirqd/222:02:002
11909993025,3cyclictest25-21ksoftirqd/123:55:131
11909993025,3cyclictest25-21ksoftirqd/121:31:351
11909993025,3cyclictest25-21ksoftirqd/120:46:361
11909993025,3cyclictest25-21ksoftirqd/120:32:401
11909993025,3cyclictest25-21ksoftirqd/120:20:541
11909993025,3cyclictest25-21ksoftirqd/120:10:001
11909993025,3cyclictest25-21ksoftirqd/119:38:091
11909993025,3cyclictest25-21ksoftirqd/100:38:091
11909993024,4cyclictest25-21ksoftirqd/119:10:371
11909993024,4cyclictest25-21ksoftirqd/100:24:361
11909993023,5cyclictest25-21ksoftirqd/119:47:341
11908993025,3cyclictest9-21ksoftirqd/023:50:000
11908993025,3cyclictest9-21ksoftirqd/022:31:550
11908993025,3cyclictest9-21ksoftirqd/022:31:540
11908993025,3cyclictest9-21ksoftirqd/021:49:300
11908993025,3cyclictest9-21ksoftirqd/020:46:270
11908993025,3cyclictest9-21ksoftirqd/020:26:190
11908993024,4cyclictest9-21ksoftirqd/022:59:150
11908993024,4cyclictest9-21ksoftirqd/020:02:230
11911992924,3cyclictest41-21ksoftirqd/323:51:253
11911992924,3cyclictest41-21ksoftirqd/319:32:293
11910992924,3cyclictest33-21ksoftirqd/220:08:372
11910992923,4cyclictest33-21ksoftirqd/223:21:182
11910992923,4cyclictest33-21ksoftirqd/222:32:522
11910992923,4cyclictest33-21ksoftirqd/222:32:522
11910992923,4cyclictest33-21ksoftirqd/200:36:202
11910992923,4cyclictest33-21ksoftirqd/200:13:132
11910992923,3cyclictest33-21ksoftirqd/221:05:122
11909992923,4cyclictest25-21ksoftirqd/123:31:121
11909992923,4cyclictest25-21ksoftirqd/123:22:381
11909992922,5cyclictest25-21ksoftirqd/119:27:101
11908992925,3cyclictest9-21ksoftirqd/022:13:020
11908992924,3cyclictest9-21ksoftirqd/022:06:440
11908992924,3cyclictest9-21ksoftirqd/020:34:250
11908992923,4cyclictest9-21ksoftirqd/022:38:520
11908992923,4cyclictest9-21ksoftirqd/021:03:240
11908992923,4cyclictest9-21ksoftirqd/000:39:190
11908992923,3cyclictest9-21ksoftirqd/021:28:480
11908992923,3cyclictest9-21ksoftirqd/021:28:480
11910992823,3cyclictest33-21ksoftirqd/223:46:312
11910992823,3cyclictest33-21ksoftirqd/220:45:142
11910992823,3cyclictest33-21ksoftirqd/220:31:172
11910992822,4cyclictest33-21ksoftirqd/219:36:022
11909992822,4cyclictest25-21ksoftirqd/122:13:221
11909992822,4cyclictest25-21ksoftirqd/120:37:021
11908992822,4cyclictest9-21ksoftirqd/023:56:020
11908992822,4cyclictest9-21ksoftirqd/020:13:060
11910992721,4cyclictest33-21ksoftirqd/200:15:462
1191099271,25cyclictest31718-21kworker/2:121:34:012
11909992722,3cyclictest25-21ksoftirqd/123:53:111
11909992721,4cyclictest25-21ksoftirqd/122:21:281
11909992721,4cyclictest25-21ksoftirqd/121:18:141
11908992723,3cyclictest9-21ksoftirqd/021:38:260
11908992722,3cyclictest9-21ksoftirqd/022:19:100
11910992622,2cyclictest33-21ksoftirqd/219:50:512
11910992621,3cyclictest33-21ksoftirqd/222:20:002
11910992621,3cyclictest33-21ksoftirqd/200:01:222
11910992620,4cyclictest33-21ksoftirqd/222:27:072
11908992621,3cyclictest9-21ksoftirqd/023:34:030
11908992621,3cyclictest9-21ksoftirqd/022:00:590
11908992621,3cyclictest9-21ksoftirqd/019:15:060
11908992621,3cyclictest9-21ksoftirqd/000:15:380
11908992621,3cyclictest9-21ksoftirqd/000:11:190
11908992620,4cyclictest9-21ksoftirqd/021:42:400
11908992620,4cyclictest9-21ksoftirqd/020:44:230
11908992620,4cyclictest9-21ksoftirqd/019:48:030
11909992519,4cyclictest25-21ksoftirqd/123:00:031
11909992419,3cyclictest25-21ksoftirqd/100:15:401
11908992318,3cyclictest9-21ksoftirqd/023:40:020
11908992217,3cyclictest9-21ksoftirqd/000:34:560
11910992116,3cyclictest26390-21meminfo23:00:212
11909991913,4cyclictest25-21ksoftirqd/123:05:371
11908991813,3cyclictest9-21ksoftirqd/019:25:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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