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2025-12-17 - 08:05
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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 Dec 17, 2025 00:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491208173,23phc2sys0-21swapper/319:06:403
194802205173,21sleep10-21swapper/119:09:011
194842203170,22sleep00-21swapper/019:09:030
194812199166,22sleep20-21swapper/219:09:012
139391740,1ptp4l24336-21users23:45:273
139391580,1ptp4l401ktimersoftd/320:20:223
46452560,4sleep14647-21ptp4l23:05:231
290782560,1sleep20-21swapper/220:35:172
57898500,2rtkit-daemon0-21swapper/100:20:351
19855994640,4cyclictest19900-21cron23:40:003
139391450,0ptp4l401ktimersoftd/320:15:213
139391440,1ptp4l401ktimersoftd/323:52:173
139391440,1ptp4l401ktimersoftd/320:36:393
139391440,0ptp4l401ktimersoftd/320:25:173
1985499422,38cyclictest2935-21kworker/2:121:00:232
139391420,0ptp4l401ktimersoftd/320:45:193
1985499418,10cyclictest30473-21apt-get22:55:032
19854994027,11cyclictest33-21ksoftirqd/200:15:002
139391400,1ptp4l401ktimersoftd/300:39:493
139391400,0ptp4l401ktimersoftd/323:40:143
139391400,0ptp4l401ktimersoftd/323:40:143
139391400,0ptp4l401ktimersoftd/322:58:313
139391400,0ptp4l401ktimersoftd/322:20:133
139391390,0ptp4l401ktimersoftd/321:22:153
19855993833,3cyclictest29544-21cron21:45:003
19854993731,4cyclictest33-21ksoftirqd/200:23:552
19853993730,5cyclictest25-21ksoftirqd/119:13:201
19852993733,3cyclictest9-21ksoftirqd/023:59:590
57898360,2rtkit-daemon0-21swapper/020:20:110
19855993631,3cyclictest41-21ksoftirqd/321:00:013
19855993630,3cyclictest41-21ksoftirqd/319:10:113
19853993630,4cyclictest25-21ksoftirqd/122:45:011
19853993630,4cyclictest25-21ksoftirqd/121:35:491
19852993631,3cyclictest9-21ksoftirqd/021:40:000
19852993631,3cyclictest9-21ksoftirqd/021:30:120
19855993530,3cyclictest41-21ksoftirqd/322:34:563
19855993530,3cyclictest41-21ksoftirqd/322:08:563
19855993529,4cyclictest41-21ksoftirqd/321:48:233
19855993529,4cyclictest41-21ksoftirqd/300:29:253
19855993529,4cyclictest41-21ksoftirqd/300:08:553
19854993530,3cyclictest33-21ksoftirqd/220:19:252
19854993529,4cyclictest33-21ksoftirqd/221:43:242
19854993529,4cyclictest33-21ksoftirqd/219:23:052
19853993530,3cyclictest25-21ksoftirqd/120:20:011
19853993530,3cyclictest25-21ksoftirqd/119:30:381
19853993530,3cyclictest25-21ksoftirqd/119:30:381
19853993529,4cyclictest25-21ksoftirqd/123:32:191
19853993529,4cyclictest25-21ksoftirqd/122:39:271
19853993529,4cyclictest25-21ksoftirqd/121:58:201
19855993428,4cyclictest41-21ksoftirqd/322:19:483
19855993428,4cyclictest41-21ksoftirqd/319:29:353
19855993428,4cyclictest41-21ksoftirqd/319:23:133
19855993428,3cyclictest41-21ksoftirqd/322:15:003
19855993427,4cyclictest41-21ksoftirqd/320:32:573
19854993429,3cyclictest33-21ksoftirqd/223:12:012
19854993429,3cyclictest33-21ksoftirqd/223:12:012
19854993429,3cyclictest33-21ksoftirqd/220:00:012
19854993428,4cyclictest33-21ksoftirqd/223:00:262
19854993428,4cyclictest33-21ksoftirqd/221:49:382
19854993428,4cyclictest33-21ksoftirqd/220:45:322
19854993428,4cyclictest33-21ksoftirqd/219:39:372
19854993428,4cyclictest33-21ksoftirqd/200:39:142
19854993428,4cyclictest33-21ksoftirqd/200:34:462
19854993428,4cyclictest33-21ksoftirqd/200:17:292
19854993428,4cyclictest33-21ksoftirqd/200:04:132
19853993429,3cyclictest25-21ksoftirqd/121:45:121
19853993429,3cyclictest25-21ksoftirqd/100:36:451
19853993428,4cyclictest25-21ksoftirqd/123:15:461
19853993428,4cyclictest25-21ksoftirqd/121:52:221
19853993428,4cyclictest25-21ksoftirqd/120:34:441
19853993428,4cyclictest25-21ksoftirqd/119:52:581
19853993428,4cyclictest25-21ksoftirqd/119:39:411
19853993427,5cyclictest25-21ksoftirqd/119:56:041
19853993427,4cyclictest25-21ksoftirqd/121:10:101
19852993429,3cyclictest9-21ksoftirqd/000:25:160
19852993428,4cyclictest9-21ksoftirqd/023:43:410
19852993428,4cyclictest9-21ksoftirqd/023:43:410
19852993428,4cyclictest9-21ksoftirqd/020:50:590
19852993428,4cyclictest9-21ksoftirqd/020:08:390
19852993428,4cyclictest9-21ksoftirqd/019:44:560
19852993428,4cyclictest9-21ksoftirqd/000:15:420
19852993427,5cyclictest9-21ksoftirqd/021:55:000
139391340,0ptp4l401ktimersoftd/321:32:283
19855993327,4cyclictest41-21ksoftirqd/321:12:363
19855993327,4cyclictest41-21ksoftirqd/319:43:123
19855993327,3cyclictest41-21ksoftirqd/322:43:573
19855993326,5cyclictest41-21ksoftirqd/322:01:313
19854993327,4cyclictest33-21ksoftirqd/223:51:252
19854993327,4cyclictest33-21ksoftirqd/223:23:532
19854993327,4cyclictest33-21ksoftirqd/222:48:152
19854993327,4cyclictest33-21ksoftirqd/222:23:002
19854993327,4cyclictest33-21ksoftirqd/219:43:302
19854993327,3cyclictest33-21ksoftirqd/222:42:472
19854993326,5cyclictest33-21ksoftirqd/222:01:092
19854993326,5cyclictest33-21ksoftirqd/219:45:542
19853993328,3cyclictest25-21ksoftirqd/120:55:551
19853993328,3cyclictest25-21ksoftirqd/119:46:501
19853993327,4cyclictest25-21ksoftirqd/122:07:501
19853993327,4cyclictest25-21ksoftirqd/122:02:251
19853993327,4cyclictest25-21ksoftirqd/121:22:331
19853993327,4cyclictest25-21ksoftirqd/120:22:201
19853993327,4cyclictest25-21ksoftirqd/119:42:131
19853993326,4cyclictest25-21ksoftirqd/121:05:161
19852993328,3cyclictest9-21ksoftirqd/021:15:070
19852993328,3cyclictest9-21ksoftirqd/021:05:190
19852993327,4cyclictest9-21ksoftirqd/023:52:190
19852993327,4cyclictest9-21ksoftirqd/020:45:420
19852993327,4cyclictest9-21ksoftirqd/019:48:570
19852993327,4cyclictest9-21ksoftirqd/019:35:540
19852993327,4cyclictest9-21ksoftirqd/000:24:410
139391330,0ptp4l401ktimersoftd/320:14:563
139391330,0ptp4l401ktimersoftd/320:05:113
139391330,0ptp4l401ktimersoftd/319:35:283
19855993229,2cyclictest41-21ksoftirqd/319:55:173
19855993227,3cyclictest41-21ksoftirqd/323:21:133
19855993227,3cyclictest41-21ksoftirqd/320:51:033
19855993227,3cyclictest41-21ksoftirqd/300:20:093
19855993226,3cyclictest41-21ksoftirqd/322:35:053
19855993226,3cyclictest41-21ksoftirqd/319:30:113
19855993226,3cyclictest41-21ksoftirqd/319:30:113
19855993225,5cyclictest41-21ksoftirqd/320:42:123
19854993227,3cyclictest33-21ksoftirqd/221:50:302
19854993226,4cyclictest33-21ksoftirqd/221:55:562
19854993226,4cyclictest33-21ksoftirqd/221:18:452
19854993226,4cyclictest33-21ksoftirqd/220:32:132
19854993226,4cyclictest33-21ksoftirqd/220:06:282
19854993226,4cyclictest33-21ksoftirqd/200:29:322
19853993227,3cyclictest25-21ksoftirqd/123:40:291
19853993227,3cyclictest25-21ksoftirqd/123:40:291
19853993226,4cyclictest25-21ksoftirqd/122:29:251
19853993226,4cyclictest25-21ksoftirqd/121:42:471
19853993226,4cyclictest25-21ksoftirqd/120:27:331
19853993226,4cyclictest25-21ksoftirqd/100:06:071
19852993227,3cyclictest9-21ksoftirqd/023:31:210
19852993227,3cyclictest9-21ksoftirqd/022:59:550
19852993227,3cyclictest9-21ksoftirqd/022:50:330
19852993227,3cyclictest9-21ksoftirqd/022:30:520
19852993227,3cyclictest9-21ksoftirqd/021:27:580
19852993226,4cyclictest9-21ksoftirqd/023:22:510
19852993226,4cyclictest9-21ksoftirqd/022:17:160
19852993226,4cyclictest9-21ksoftirqd/022:00:470
19852993226,4cyclictest9-21ksoftirqd/019:57:000
19852993226,3cyclictest9-21ksoftirqd/021:10:210
139391320,0ptp4l401ktimersoftd/322:52:503
139391320,0ptp4l401ktimersoftd/321:59:573
19855993126,3cyclictest14348-21cron00:35:003
19855993125,4cyclictest41-21ksoftirqd/323:31:453
19855993125,4cyclictest41-21ksoftirqd/319:16:313
19855993125,3cyclictest41-21ksoftirqd/321:54:433
19854993126,3cyclictest33-21ksoftirqd/221:39:572
19854993126,3cyclictest33-21ksoftirqd/219:51:002
19854993125,4cyclictest33-21ksoftirqd/223:46:362
19854993125,4cyclictest33-21ksoftirqd/223:32:442
19854993125,4cyclictest33-21ksoftirqd/222:16:342
19854993125,4cyclictest33-21ksoftirqd/220:54:222
19854993125,4cyclictest33-21ksoftirqd/220:21:572
19853993126,3cyclictest25-21ksoftirqd/121:17:001
19853993125,4cyclictest25-21ksoftirqd/119:23:471
19853993125,3cyclictest25-21ksoftirqd/121:35:001
19853993125,3cyclictest25-21ksoftirqd/120:50:001
19853993124,4cyclictest25-21ksoftirqd/100:11:341
19852993126,3cyclictest9-21ksoftirqd/023:07:550
19852993126,3cyclictest9-21ksoftirqd/019:16:580
19852993126,3cyclictest9-21ksoftirqd/000:05:110
19852993125,4cyclictest9-21ksoftirqd/023:46:140
19852993125,4cyclictest9-21ksoftirqd/022:43:020
19852993125,4cyclictest9-21ksoftirqd/021:21:440
19852993125,4cyclictest9-21ksoftirqd/020:35:160
19852993125,4cyclictest9-21ksoftirqd/000:11:570
139391310,0ptp4l401ktimersoftd/321:00:583
139391310,0ptp4l401ktimersoftd/300:10:343
139391310,0ptp4l401ktimersoftd/300:02:533
19855993026,2cyclictest41-21ksoftirqd/321:05:173
19855993024,4cyclictest41-21ksoftirqd/322:28:143
19854993025,3cyclictest33-21ksoftirqd/221:33:442
19854993024,4cyclictest33-21ksoftirqd/223:57:182
19854993024,4cyclictest33-21ksoftirqd/219:31:022
19854993024,4cyclictest33-21ksoftirqd/219:31:022
19854993024,3cyclictest33-21ksoftirqd/222:08:402
19854993023,5cyclictest33-21ksoftirqd/222:51:362
19853993025,3cyclictest25-21ksoftirqd/120:50:521
19853993025,3cyclictest25-21ksoftirqd/119:28:201
19853993025,3cyclictest25-21ksoftirqd/100:04:471
19853993024,4cyclictest25-21ksoftirqd/123:56:141
19853993024,4cyclictest25-21ksoftirqd/123:22:511
19853993024,4cyclictest25-21ksoftirqd/123:10:531
19853993024,4cyclictest25-21ksoftirqd/123:10:531
19853993024,4cyclictest25-21ksoftirqd/123:02:061
19853993024,4cyclictest25-21ksoftirqd/122:23:511
19853993024,4cyclictest25-21ksoftirqd/122:15:211
19853993024,3cyclictest25-21ksoftirqd/120:40:511
19853993022,5cyclictest25-21ksoftirqd/119:18:461
19852993025,3cyclictest9-21ksoftirqd/022:21:250
19852993025,3cyclictest9-21ksoftirqd/019:29:230
19852993024,4cyclictest9-21ksoftirqd/023:17:320
19852993024,4cyclictest9-21ksoftirqd/022:49:450
19855992925,3cyclictest41-21ksoftirqd/319:49:593
19855992924,3cyclictest41-21ksoftirqd/322:45:133
19855992924,3cyclictest41-21ksoftirqd/300:16:193
19855992923,4cyclictest41-21ksoftirqd/320:00:173
19855992923,4cyclictest41-21ksoftirqd/320:00:173
19854992924,3cyclictest33-21ksoftirqd/220:13:402
19854992923,4cyclictest33-21ksoftirqd/223:40:002
19854992923,4cyclictest33-21ksoftirqd/223:25:212
19854992923,4cyclictest33-21ksoftirqd/223:05:362
19854992923,4cyclictest33-21ksoftirqd/219:15:582
19854992923,4cyclictest33-21ksoftirqd/219:12:052
19853992924,3cyclictest25-21ksoftirqd/122:45:331
19853992924,3cyclictest25-21ksoftirqd/122:30:111
19853992923,4cyclictest25-21ksoftirqd/123:53:211
19853992923,4cyclictest25-21ksoftirqd/123:26:051
19853992923,4cyclictest25-21ksoftirqd/120:38:131
19852992924,3cyclictest9-21ksoftirqd/022:05:130
19852992924,3cyclictest9-21ksoftirqd/021:45:380
19852992924,3cyclictest9-21ksoftirqd/020:43:450
19852992923,4cyclictest9-21ksoftirqd/021:57:020
139391290,0ptp4l401ktimersoftd/323:11:123
139391290,0ptp4l401ktimersoftd/323:11:123
19855992823,3cyclictest41-21ksoftirqd/323:00:193
19855992823,3cyclictest1-21systemd21:17:573
19855992822,4cyclictest41-21ksoftirqd/321:37:243
19854992823,3cyclictest33-21ksoftirqd/223:43:312
19854992823,3cyclictest33-21ksoftirqd/223:43:312
19854992823,3cyclictest33-21ksoftirqd/222:40:012
19854992823,3cyclictest33-21ksoftirqd/221:08:082
19854992822,4cyclictest33-21ksoftirqd/223:19:022
19854992822,4cyclictest33-21ksoftirqd/221:25:552
19854992822,4cyclictest33-21ksoftirqd/221:10:512
19853992823,3cyclictest25-21ksoftirqd/122:11:081
19853992822,4cyclictest25-21ksoftirqd/123:37:161
19853992822,4cyclictest25-21ksoftirqd/120:10:591
19853992822,4cyclictest25-21ksoftirqd/100:30:011
19852992823,3cyclictest9-21ksoftirqd/023:25:280
19852992823,3cyclictest9-21ksoftirqd/021:43:080
19852992822,4cyclictest9-21ksoftirqd/022:38:540
19852992822,4cyclictest9-21ksoftirqd/019:14:550
19852992821,5cyclictest9-21ksoftirqd/020:57:170
139391280,2ptp4l27408-21cpuspeed23:55:133
19855992723,3cyclictest41-21ksoftirqd/323:20:013
19855992722,3cyclictest41-21ksoftirqd/323:25:123
19855992722,3cyclictest41-21ksoftirqd/323:09:363
19854992723,3cyclictest33-21ksoftirqd/222:29:552
19854992722,3cyclictest33-21ksoftirqd/222:33:082
19854992722,3cyclictest33-21ksoftirqd/221:20:142
19854992722,3cyclictest33-21ksoftirqd/220:27:572
19854992721,4cyclictest33-21ksoftirqd/220:58:312
1985499272,13cyclictest27993-21kworker/2:119:27:132
1985499271,16cyclictest4544-21kworker/2:122:13:442
1985499271,15cyclictest28390-21kworker/2:020:44:122
19853992723,2cyclictest25-21ksoftirqd/122:55:281
19853992722,3cyclictest25-21ksoftirqd/121:27:531
19852992722,3cyclictest9-21ksoftirqd/020:34:250
19852992722,3cyclictest9-21ksoftirqd/020:27:310
19852992722,3cyclictest9-21ksoftirqd/020:15:450
19852992721,4cyclictest9-21ksoftirqd/020:11:040
139391270,10ptp4l0-21swapper/319:53:013
123822270,2sleep00-21swapper/000:30:140
19854992621,3cyclictest33-21ksoftirqd/220:01:362
19854992621,3cyclictest33-21ksoftirqd/220:01:352
19854992620,4cyclictest33-21ksoftirqd/200:08:182
19853992621,3cyclictest25-21ksoftirqd/122:50:101
19853992620,4cyclictest25-21ksoftirqd/123:45:351
19852992621,3cyclictest9-21ksoftirqd/023:02:130
19852992621,3cyclictest9-21ksoftirqd/020:00:340
19852992621,3cyclictest9-21ksoftirqd/020:00:330
19852992621,3cyclictest9-21ksoftirqd/019:53:150
19852992621,3cyclictest9-21ksoftirqd/019:20:090
19852992621,3cyclictest9-21ksoftirqd/000:02:170
19852992620,4cyclictest9-21ksoftirqd/022:10:340
19852992620,4cyclictest9-21ksoftirqd/000:35:080
19853992520,3cyclictest25-21ksoftirqd/120:05:121
19853992519,4cyclictest25-21ksoftirqd/100:16:221
19852992520,3cyclictest9-21ksoftirqd/023:35:030
19852992520,3cyclictest9-21ksoftirqd/022:26:180
139391250,0ptp4l401ktimersoftd/321:25:123
19853992419,3cyclictest25-21ksoftirqd/120:00:101
19853992419,3cyclictest25-21ksoftirqd/120:00:101
19853992419,3cyclictest25-21ksoftirqd/100:33:231
19852992419,3cyclictest9-21ksoftirqd/023:13:350
19852992419,3cyclictest9-21ksoftirqd/023:13:340
19853992318,3cyclictest25-21ksoftirqd/121:00:551
19852992116,3cyclictest9-21ksoftirqd/021:00:440
19852992116,3cyclictest9-21ksoftirqd/019:34:450
19852992116,3cyclictest9-21ksoftirqd/019:34:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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