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2025-08-31 - 03:47
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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 Sun Aug 31, 2025 00:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137191235170,22phc2sys0-21swapper/319:08:463
304682205171,23sleep20-21swapper/219:07:272
306022204169,23sleep10-21swapper/119:09:151
304232201167,22sleep00-21swapper/019:06:580
2578021650,1sleep30-21swapper/320:50:143
925621180,2sleep33095499cyclictest20:15:113
136991820,1ptp4l899-21if_enp4s021:05:213
30954996430,7cyclictest41-21ksoftirqd/300:00:003
30954995923,10cyclictest41-21ksoftirqd/323:15:003
30954995923,10cyclictest41-21ksoftirqd/323:15:003
55092580,2sleep30-21swapper/322:20:273
30954995720,10cyclictest41-21ksoftirqd/320:50:013
3095499568,4cyclictest41-21ksoftirqd/323:50:153
30954995527,7cyclictest41-21ksoftirqd/319:25:003
30954995522,4cyclictest41-21ksoftirqd/322:40:013
30954995424,7cyclictest41-21ksoftirqd/321:40:203
30954995420,8cyclictest41-21ksoftirqd/322:10:003
30954995419,8cyclictest41-21ksoftirqd/321:30:003
218622540,5sleep13095299cyclictest20:40:211
30954995324,6cyclictest41-21ksoftirqd/321:35:003
30954995320,7cyclictest41-21ksoftirqd/320:40:003
30954995316,9cyclictest41-21ksoftirqd/319:45:013
30954995222,4cyclictest41-21ksoftirqd/321:55:163
30952995218,9cyclictest25-21ksoftirqd/122:10:251
30954995118,4cyclictest41-21ksoftirqd/322:45:003
30954995117,8cyclictest41-21ksoftirqd/300:10:013
25932510,2sleep30-21swapper/300:30:143
30954995020,4cyclictest41-21ksoftirqd/323:30:013
30954995020,4cyclictest41-21ksoftirqd/321:45:243
30954995019,8cyclictest41-21ksoftirqd/321:20:173
30954995017,8cyclictest41-21ksoftirqd/323:40:003
30954994922,7cyclictest41-21ksoftirqd/322:00:193
30954994918,8cyclictest41-21ksoftirqd/321:10:203
30954994918,8cyclictest41-21ksoftirqd/321:10:203
30954994918,8cyclictest41-21ksoftirqd/300:00:293
30954994917,9cyclictest41-21ksoftirqd/319:16:413
30954994917,8cyclictest41-21ksoftirqd/320:11:523
30954994820,7cyclictest41-21ksoftirqd/321:05:003
30954994820,3cyclictest41-21ksoftirqd/322:50:243
30954994818,4cyclictest41-21ksoftirqd/300:20:503
30954994817,4cyclictest41-21ksoftirqd/322:49:593
30954994816,8cyclictest41-21ksoftirqd/321:35:143
30954994816,8cyclictest41-21ksoftirqd/320:30:203
30954994718,7cyclictest41-21ksoftirqd/323:05:003
30954994718,4cyclictest41-21ksoftirqd/323:05:193
30954994717,4cyclictest41-21ksoftirqd/321:50:153
30954994714,7cyclictest41-21ksoftirqd/322:35:013
30954994714,7cyclictest41-21ksoftirqd/321:20:003
30954994620,6cyclictest41-21ksoftirqd/300:30:003
30954994618,6cyclictest41-21ksoftirqd/323:20:263
30954994616,7cyclictest41-21ksoftirqd/320:30:003
30954994616,4cyclictest41-21ksoftirqd/300:15:153
30954994613,4cyclictest41-21ksoftirqd/323:45:003
3095499456,8cyclictest41-21ksoftirqd/320:25:003
30954994516,8cyclictest41-21ksoftirqd/320:55:163
30954994515,8cyclictest41-21ksoftirqd/319:15:003
30954994515,4cyclictest41-21ksoftirqd/323:45:253
30954994515,4cyclictest41-21ksoftirqd/322:25:123
30954994510,8cyclictest41-21ksoftirqd/300:35:183
3095499448,4cyclictest41-21ksoftirqd/319:55:003
30954994428,13cyclictest41-21ksoftirqd/323:00:003
30954994415,4cyclictest41-21ksoftirqd/322:10:193
30954994413,4cyclictest41-21ksoftirqd/319:48:173
30954994412,7cyclictest41-21ksoftirqd/300:10:183
3095499438,4cyclictest41-21ksoftirqd/320:05:003
3095499430,2cyclictest121rcu_preempt22:20:003
30954994217,6cyclictest41-21ksoftirqd/320:40:153
3095499412,3cyclictest121rcu_preempt19:40:013
30954994035,3cyclictest41-21ksoftirqd/319:35:003
30951994034,3cyclictest9-21ksoftirqd/023:50:000
3095499391,3cyclictest121rcu_preempt19:59:403
30954993911,9cyclictest41-21ksoftirqd/323:30:193
30952993935,2cyclictest25-21ksoftirqd/123:00:001
30952993934,3cyclictest25-21ksoftirqd/121:30:001
3095299390,2cyclictest121rcu_preempt22:40:141
30951993934,3cyclictest9-21ksoftirqd/023:20:010
30954993832,3cyclictest41-21ksoftirqd/319:30:003
3095499381,6cyclictest30362-21apt-get23:15:133
3095499381,4cyclictest41-21ksoftirqd/320:09:243
30953993833,3cyclictest33-21ksoftirqd/222:20:002
3095299384,10cyclictest25-21ksoftirqd/123:50:131
3095199381,9cyclictest2081-21apt-get19:40:030
30954993731,3cyclictest41-21ksoftirqd/319:30:003
30953993727,9cyclictest33-21ksoftirqd/221:40:192
30952993733,2cyclictest25-21ksoftirqd/119:40:011
30952993732,3cyclictest25-21ksoftirqd/121:00:001
30952993732,3cyclictest25-21ksoftirqd/100:05:001
30951993733,3cyclictest9-21ksoftirqd/023:35:010
30951993732,3cyclictest9-21ksoftirqd/021:30:000
30951993732,3cyclictest9-21ksoftirqd/019:40:010
30953993630,4cyclictest33-21ksoftirqd/223:07:212
30953993630,4cyclictest33-21ksoftirqd/219:52:152
30953993625,9cyclictest33-21ksoftirqd/223:20:272
30952993631,3cyclictest25-21ksoftirqd/123:35:011
30952993631,3cyclictest25-21ksoftirqd/120:55:001
30952993630,4cyclictest25-21ksoftirqd/121:49:011
30951993631,3cyclictest9-21ksoftirqd/021:50:010
30951993631,3cyclictest9-21ksoftirqd/021:00:000
30951993631,3cyclictest9-21ksoftirqd/020:40:010
30951993631,3cyclictest9-21ksoftirqd/000:00:010
59298350,2rtkit-daemon591-21rtkit-daemon20:28:221
30953993530,3cyclictest33-21ksoftirqd/200:20:012
30953993529,4cyclictest33-21ksoftirqd/222:55:002
30953993529,4cyclictest33-21ksoftirqd/221:33:412
30953993529,4cyclictest33-21ksoftirqd/219:32:062
30953993528,5cyclictest33-21ksoftirqd/222:57:172
30952993530,3cyclictest25-21ksoftirqd/121:59:591
30952993530,3cyclictest25-21ksoftirqd/120:15:091
30952993529,4cyclictest25-21ksoftirqd/122:54:441
30952993528,5cyclictest25-21ksoftirqd/119:51:341
30952993528,4cyclictest25-21ksoftirqd/123:35:121
30952993528,4cyclictest25-21ksoftirqd/122:33:381
3095299351,10cyclictest25-21ksoftirqd/122:35:241
30951993531,2cyclictest9-21ksoftirqd/023:40:010
30951993529,4cyclictest9-21ksoftirqd/021:34:240
30951993529,4cyclictest9-21ksoftirqd/020:32:210
30953993430,3cyclictest33-21ksoftirqd/221:20:002
30953993429,3cyclictest33-21ksoftirqd/222:10:362
30953993429,3cyclictest33-21ksoftirqd/221:55:232
30953993428,4cyclictest33-21ksoftirqd/223:52:422
30953993428,4cyclictest33-21ksoftirqd/222:29:382
30953993428,4cyclictest33-21ksoftirqd/222:22:402
3095299343,3cyclictest121rcu_preempt21:40:171
30952993431,2cyclictest25-21ksoftirqd/122:49:591
30952993429,3cyclictest25-21ksoftirqd/123:10:011
30952993429,3cyclictest25-21ksoftirqd/121:15:001
30952993429,3cyclictest25-21ksoftirqd/121:15:001
30952993429,3cyclictest25-21ksoftirqd/121:00:161
30952993429,3cyclictest25-21ksoftirqd/120:05:021
30952993429,3cyclictest25-21ksoftirqd/120:00:001
30952993429,3cyclictest25-21ksoftirqd/119:35:011
30952993428,3cyclictest25-21ksoftirqd/123:45:001
30952993428,3cyclictest25-21ksoftirqd/121:20:141
30952993427,5cyclictest25-21ksoftirqd/123:04:351
30952993427,4cyclictest25-21ksoftirqd/122:00:521
3095299342,3cyclictest121rcu_preempt23:20:141
30951993430,3cyclictest9-21ksoftirqd/021:45:010
30951993429,3cyclictest9-21ksoftirqd/021:10:000
30951993429,3cyclictest9-21ksoftirqd/020:11:520
30951993428,4cyclictest9-21ksoftirqd/023:11:000
30951993428,4cyclictest9-21ksoftirqd/023:11:000
30951993428,4cyclictest9-21ksoftirqd/022:39:260
30951993427,5cyclictest9-21ksoftirqd/020:29:280
30951993427,4cyclictest9-21ksoftirqd/000:00:470
30951993421,4cyclictest9-21ksoftirqd/022:40:140
30953993328,3cyclictest33-21ksoftirqd/221:35:402
30953993327,4cyclictest33-21ksoftirqd/220:56:022
30953993327,4cyclictest33-21ksoftirqd/200:24:362
30952993329,3cyclictest25-21ksoftirqd/121:50:201
30952993329,3cyclictest25-21ksoftirqd/120:25:011
30952993328,3cyclictest25-21ksoftirqd/122:24:591
30952993328,3cyclictest25-21ksoftirqd/121:15:121
30952993328,3cyclictest25-21ksoftirqd/121:05:221
30952993328,3cyclictest25-21ksoftirqd/100:25:141
30952993328,3cyclictest25-21ksoftirqd/100:07:291
30952993327,4cyclictest25-21ksoftirqd/120:37:161
30952993327,4cyclictest25-21ksoftirqd/100:25:001
3095199333,9cyclictest9-21ksoftirqd/023:05:230
30951993329,3cyclictest9-21ksoftirqd/020:50:010
30951993329,2cyclictest3791-21dump-pmu-power19:50:000
30951993328,3cyclictest9-21ksoftirqd/022:15:000
30951993328,3cyclictest9-21ksoftirqd/022:05:000
30951993328,3cyclictest9-21ksoftirqd/021:50:150
30951993328,3cyclictest9-21ksoftirqd/020:05:000
30951993327,4cyclictest9-21ksoftirqd/022:08:260
30951993327,4cyclictest9-21ksoftirqd/021:21:150
30951993327,4cyclictest9-21ksoftirqd/021:17:470
30951993327,3cyclictest9-21ksoftirqd/022:59:590
30951993326,5cyclictest9-21ksoftirqd/023:27:170
30951993326,5cyclictest9-21ksoftirqd/022:54:470
30951993326,4cyclictest9-21ksoftirqd/019:23:450
30951993318,5cyclictest9-21ksoftirqd/022:00:000
3095199330,5cyclictest121rcu_preempt00:30:210
30953993227,3cyclictest33-21ksoftirqd/223:29:012
30953993227,3cyclictest33-21ksoftirqd/200:13:332
30953993226,4cyclictest33-21ksoftirqd/223:58:082
30953993226,4cyclictest33-21ksoftirqd/223:01:312
30953993226,4cyclictest33-21ksoftirqd/222:48:432
30953993226,4cyclictest33-21ksoftirqd/221:27:362
30953993226,4cyclictest33-21ksoftirqd/220:17:352
30953993226,4cyclictest33-21ksoftirqd/219:56:012
30953993226,4cyclictest33-21ksoftirqd/219:25:062
30953993226,4cyclictest33-21ksoftirqd/219:25:052
30953993226,4cyclictest33-21ksoftirqd/219:10:512
3095299324,6cyclictest25-21ksoftirqd/123:25:171
3095299324,3cyclictest25-21ksoftirqd/123:15:181
3095299324,3cyclictest121rcu_preempt19:20:011
3095299323,6cyclictest121rcu_preempt20:45:271
30952993228,2cyclictest25-21ksoftirqd/120:12:251
30952993227,3cyclictest25-21ksoftirqd/123:55:111
30952993227,3cyclictest25-21ksoftirqd/122:25:171
30952993227,3cyclictest25-21ksoftirqd/120:10:011
30952993227,3cyclictest25-21ksoftirqd/100:30:191
30952993227,3cyclictest25-21ksoftirqd/100:15:221
30952993227,2cyclictest25-21ksoftirqd/122:20:001
30952993227,2cyclictest25-21ksoftirqd/100:39:591
30952993226,4cyclictest25-21ksoftirqd/121:30:341
30952993226,4cyclictest25-21ksoftirqd/119:40:021
30952993226,3cyclictest25-21ksoftirqd/121:35:141
30952993226,3cyclictest25-21ksoftirqd/120:35:001
30951993228,3cyclictest9-21ksoftirqd/000:15:190
30951993227,3cyclictest9-21ksoftirqd/022:32:450
30951993227,3cyclictest9-21ksoftirqd/020:00:000
30951993227,3cyclictest9-21ksoftirqd/000:36:330
30951993226,4cyclictest9-21ksoftirqd/023:02:210
30951993226,4cyclictest9-21ksoftirqd/020:42:000
30951993226,4cyclictest9-21ksoftirqd/020:07:020
30951993226,4cyclictest9-21ksoftirqd/000:21:050
30951993225,4cyclictest9-21ksoftirqd/019:54:540
30953993127,3cyclictest33-21ksoftirqd/222:35:192
30953993126,3cyclictest33-21ksoftirqd/222:42:212
30953993126,3cyclictest33-21ksoftirqd/221:22:322
30953993126,3cyclictest33-21ksoftirqd/219:40:222
30953993125,4cyclictest33-21ksoftirqd/223:38:382
30953993125,4cyclictest33-21ksoftirqd/222:31:172
30953993125,4cyclictest33-21ksoftirqd/219:49:162
30953993125,4cyclictest33-21ksoftirqd/219:18:302
30953993125,4cyclictest33-21ksoftirqd/200:31:292
30953993118,11cyclictest33-21ksoftirqd/200:29:592
3095299315,3cyclictest121rcu_preempt00:10:151
30952993127,3cyclictest25-21ksoftirqd/123:49:591
30952993126,3cyclictest25-21ksoftirqd/119:20:521
30952993125,4cyclictest25-21ksoftirqd/123:12:051
30952993125,4cyclictest25-21ksoftirqd/123:12:051
30951993126,3cyclictest9-21ksoftirqd/022:25:170
30951993125,4cyclictest9-21ksoftirqd/023:22:190
30951993125,4cyclictest9-21ksoftirqd/021:00:460
30951993125,4cyclictest9-21ksoftirqd/020:18:090
30951993125,4cyclictest9-21ksoftirqd/019:12:420
30953993025,3cyclictest33-21ksoftirqd/223:33:472
30953993025,3cyclictest33-21ksoftirqd/220:40:192
30953993025,3cyclictest33-21ksoftirqd/220:36:042
30953993025,3cyclictest33-21ksoftirqd/220:28:222
30953993025,3cyclictest33-21ksoftirqd/220:20:162
30953993024,4cyclictest33-21ksoftirqd/220:46:392
30953993024,4cyclictest33-21ksoftirqd/220:35:002
30953993024,4cyclictest33-21ksoftirqd/219:38:112
30953993024,4cyclictest33-21ksoftirqd/219:23:272
30952993026,2cyclictest25-21ksoftirqd/119:50:001
30952993025,3cyclictest25-21ksoftirqd/122:05:161
30952993025,3cyclictest25-21ksoftirqd/119:11:261
30951993025,3cyclictest9-21ksoftirqd/021:10:220
30951993025,3cyclictest9-21ksoftirqd/021:10:220
30951993013,6cyclictest9-21ksoftirqd/019:20:000
30953992924,3cyclictest33-21ksoftirqd/223:40:192
30953992924,3cyclictest33-21ksoftirqd/221:14:182
30953992924,3cyclictest33-21ksoftirqd/221:14:182
30953992924,3cyclictest33-21ksoftirqd/220:50:102
30953992923,4cyclictest33-21ksoftirqd/221:52:272
30953992923,4cyclictest33-21ksoftirqd/221:49:022
30953992923,4cyclictest33-21ksoftirqd/221:08:262
30953992923,4cyclictest33-21ksoftirqd/200:04:532
30952992923,4cyclictest25-21ksoftirqd/119:25:021
30952992923,4cyclictest25-21ksoftirqd/119:25:021
30951992925,3cyclictest9-21ksoftirqd/020:50:190
30951992924,3cyclictest9-21ksoftirqd/023:53:110
30951992924,3cyclictest9-21ksoftirqd/021:35:190
30951992923,3cyclictest9-21ksoftirqd/000:15:010
30951992917,3cyclictest9-21ksoftirqd/020:20:100
30951992915,5cyclictest9-21ksoftirqd/019:30:010
30951992915,5cyclictest9-21ksoftirqd/019:30:000
30953992823,3cyclictest33-21ksoftirqd/200:06:232
30953992822,4cyclictest33-21ksoftirqd/222:06:512
30953992822,4cyclictest33-21ksoftirqd/222:02:262
30953992822,4cyclictest33-21ksoftirqd/220:12:542
30953992822,4cyclictest33-21ksoftirqd/220:08:322
30953992822,4cyclictest33-21ksoftirqd/200:38:102
30951992822,4cyclictest9-21ksoftirqd/023:40:410
30951992822,4cyclictest9-21ksoftirqd/022:46:010
30951992822,4cyclictest9-21ksoftirqd/019:32:200
30951992813,3cyclictest9-21ksoftirqd/022:25:010
30953992722,3cyclictest33-21ksoftirqd/223:49:492
30953992722,3cyclictest33-21ksoftirqd/221:00:162
30953992719,6cyclictest33-21ksoftirqd/223:17:312
30951992713,4cyclictest9-21ksoftirqd/000:25:180
3095199261,7cyclictest121rcu_preempt00:05:250
30951992611,4cyclictest9-21ksoftirqd/022:15:170
30953992318,3cyclictest33-21ksoftirqd/223:10:202
30953992318,3cyclictest33-21ksoftirqd/223:10:202
30953991812,3cyclictest33-21ksoftirqd/220:00:422
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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