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2026-06-22 - 05:15
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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 376 highest latencies:
System rackdslot2.osadl.org (updated Mon Jun 22, 2026 00:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
293002237172,21sleep00-21swapper/019:07:280
293372229199,20sleep20-21swapper/219:07:592
293282229165,52sleep30-21swapper/319:07:523
292492205172,21sleep10-21swapper/119:06:491
2978799731,27cyclictest0-21swapper/220:05:002
2978799711,25cyclictest28834-21irqrtprio23:35:192
2978799692,23cyclictest18265-21cat22:05:252
2978799691,24cyclictest13539-21cut00:10:192
2978799690,26cyclictest9152-21sshd21:46:252
29788996732,11cyclictest41-21ksoftirqd/323:05:003
2978799671,23cyclictest5941-21irqrtprio23:55:192
2978799670,3cyclictest20617-21date23:20:002
29788996633,9cyclictest41-21ksoftirqd/320:05:003
2978799666,22cyclictest29175-21if_enp4s020:15:172
2978799662,24cyclictest1595-21cat21:30:252
29788996531,6cyclictest41-21ksoftirqd/321:50:213
29788996531,6cyclictest41-21ksoftirqd/321:50:213
2978799651,23cyclictest24217-21missed_timers23:25:192
2978799650,2cyclictest67962sleep221:41:352
2978799650,29cyclictest18735-21sshd19:54:242
2978799650,24cyclictest1825-21irqrtprio20:25:212
2978799650,24cyclictest1825-21irqrtprio20:25:212
29788996434,7cyclictest41-21ksoftirqd/320:50:013
29788996431,4cyclictest41-21ksoftirqd/300:10:203
2978799640,25cyclictest28023-21expr21:20:142
2978799640,24cyclictest12102-21tr20:45:212
29788996334,7cyclictest41-21ksoftirqd/321:30:013
29788996333,8cyclictest41-21ksoftirqd/323:35:223
29788996333,8cyclictest41-21ksoftirqd/300:20:013
29788996331,8cyclictest41-21ksoftirqd/320:00:013
29788996327,9cyclictest41-21ksoftirqd/320:10:183
29788996326,6cyclictest41-21ksoftirqd/319:20:003
2978799633,22cyclictest11062-21tr21:50:272
2978799633,22cyclictest11062-21tr21:50:262
2978799630,27cyclictest25916-21smartctl21:15:172
29788996232,8cyclictest41-21ksoftirqd/323:05:243
29788996231,8cyclictest41-21ksoftirqd/321:10:003
29788996231,4cyclictest41-21ksoftirqd/321:30:143
29788996227,7cyclictest41-21ksoftirqd/322:10:013
29788996132,7cyclictest41-21ksoftirqd/319:50:153
29788996130,9cyclictest41-21ksoftirqd/322:55:003
29788996130,7cyclictest41-21ksoftirqd/320:15:153
29788996129,8cyclictest41-21ksoftirqd/323:35:003
29788996129,8cyclictest41-21ksoftirqd/320:05:143
29788996129,7cyclictest41-21ksoftirqd/322:05:003
29788996129,4cyclictest41-21ksoftirqd/300:30:143
29788996127,7cyclictest41-21ksoftirqd/319:40:233
29788996125,4cyclictest41-21ksoftirqd/300:25:003
29788996121,9cyclictest41-21ksoftirqd/321:45:263
2978799611,25cyclictest3707-21cat22:45:132
136272610,1sleep10-21swapper/121:55:261
29788996031,8cyclictest41-21ksoftirqd/323:54:593
29788996031,8cyclictest41-21ksoftirqd/319:50:013
29788996031,7cyclictest41-21ksoftirqd/322:41:593
29788996030,8cyclictest41-21ksoftirqd/322:20:133
29788996030,8cyclictest41-21ksoftirqd/320:25:003
29788996029,7cyclictest41-21ksoftirqd/323:15:013
29788996028,7cyclictest41-21ksoftirqd/323:25:003
29788996027,7cyclictest41-21ksoftirqd/300:00:203
29788995930,7cyclictest41-21ksoftirqd/321:15:193
29788995927,5cyclictest41-21ksoftirqd/320:40:213
29788995926,9cyclictest41-21ksoftirqd/322:25:183
2978799591,29cyclictest28484-21latency_hist22:30:002
2949325940,11sleep30-21swapper/319:10:013
3022580,2sleep00-21swapper/021:30:140
29788995831,7cyclictest41-21ksoftirqd/319:25:133
29788995830,7cyclictest41-21ksoftirqd/320:35:123
29788995829,8cyclictest41-21ksoftirqd/321:40:163
29788995829,7cyclictest41-21ksoftirqd/322:15:203
29788995828,8cyclictest41-21ksoftirqd/323:25:133
29788995828,8cyclictest41-21ksoftirqd/323:15:163
29788995828,8cyclictest41-21ksoftirqd/321:20:153
29788995827,8cyclictest41-21ksoftirqd/322:30:183
29788995827,4cyclictest41-21ksoftirqd/323:45:193
29788995826,4cyclictest41-21ksoftirqd/322:35:143
29788995824,8cyclictest41-21ksoftirqd/319:30:243
29788995823,7cyclictest41-21ksoftirqd/322:00:013
2978799580,23cyclictest14713-21ls20:50:262
29788995729,7cyclictest41-21ksoftirqd/323:40:273
29788995729,7cyclictest41-21ksoftirqd/320:50:143
29788995727,7cyclictest41-21ksoftirqd/322:55:143
29788995724,9cyclictest41-21ksoftirqd/321:10:143
29788995630,8cyclictest41-21ksoftirqd/320:30:273
29788995629,7cyclictest41-21ksoftirqd/319:22:243
29788995629,7cyclictest41-21ksoftirqd/319:22:243
29788995629,6cyclictest41-21ksoftirqd/320:26:333
29788995629,6cyclictest41-21ksoftirqd/320:26:333
29788995625,4cyclictest41-21ksoftirqd/321:00:183
29788995625,4cyclictest41-21ksoftirqd/319:35:203
29788995621,6cyclictest41-21ksoftirqd/321:39:593
2978799565,24cyclictest10729-21/usr/sbin/munin19:35:242
29788995527,8cyclictest41-21ksoftirqd/322:10:253
29788995526,11cyclictest41-21ksoftirqd/300:25:233
313122540,2sleep00-21swapper/020:20:130
29788995426,8cyclictest41-21ksoftirqd/300:35:143
29788995425,7cyclictest41-21ksoftirqd/323:55:133
29788995425,7cyclictest41-21ksoftirqd/300:09:583
29788995423,8cyclictest41-21ksoftirqd/320:55:003
2978799530,26cyclictest8711-21df_abs20:40:132
2978799511,26cyclictest6722-21apt-get19:30:022
29788995021,7cyclictest41-21ksoftirqd/322:45:203
2978799491,19cyclictest12176-21apt-get00:09:582
238552490,4sleep00-21swapper/022:19:590
2978799482,23cyclictest0-21swapper/223:07:412
2978799481,22cyclictest0-21swapper/222:54:172
2978799480,38cyclictest0-21swapper/223:05:002
29787994740,4cyclictest25161-21cron21:15:002
2978799460,31cyclictest15358-21apt-get23:10:002
2978799441,22cyclictest0-21swapper/222:00:252
2978799440,3cyclictest1312-21snmpd00:35:182
2978799432,29cyclictest27638-21sshd20:10:242
2978799431,21cyclictest0-21swapper/222:15:152
2978799421,22cyclictest0-21swapper/223:30:202
2978799393,33cyclictest16425-21latency_hist19:50:012
2978799391,23cyclictest0-21swapper/221:05:022
2978799380,3cyclictest3801-21expr23:50:212
29785993832,4cyclictest9-21ksoftirqd/000:25:050
29785993831,4cyclictest9-21ksoftirqd/020:50:130
29787993732,3cyclictest33-21ksoftirqd/221:38:142
29787993731,4cyclictest33-21ksoftirqd/221:58:042
29787993730,5cyclictest33-21ksoftirqd/221:25:422
2978799372,20cyclictest0-21swapper/200:25:232
29786993731,4cyclictest25-21ksoftirqd/123:57:371
29786993731,4cyclictest25-21ksoftirqd/123:52:471
29786993731,4cyclictest25-21ksoftirqd/123:28:091
29786993731,4cyclictest25-21ksoftirqd/122:25:391
29786993731,4cyclictest25-21ksoftirqd/119:37:381
29785993730,4cyclictest9-21ksoftirqd/023:46:480
29787993630,4cyclictest33-21ksoftirqd/219:42:242
2978799362,21cyclictest4296-21taskset19:24:232
2978799362,21cyclictest4296-21taskset19:24:232
2978799361,22cyclictest0-21swapper/221:05:002
2978799361,21cyclictest0-21swapper/222:35:172
2978799361,21cyclictest0-21swapper/220:00:012
2978799361,21cyclictest0-21swapper/219:19:412
29786993631,3cyclictest25-21ksoftirqd/123:11:161
29786993631,3cyclictest25-21ksoftirqd/120:00:081
29786993630,4cyclictest25-21ksoftirqd/121:07:391
29786993630,4cyclictest25-21ksoftirqd/100:21:291
29786993630,3cyclictest25-21ksoftirqd/122:31:571
29786993629,4cyclictest25-21ksoftirqd/122:22:061
29785993630,4cyclictest9-21ksoftirqd/022:31:070
29785993630,3cyclictest32432-21cron23:45:000
29785993629,4cyclictest9-21ksoftirqd/023:55:320
29785993629,4cyclictest9-21ksoftirqd/021:53:310
29785993629,4cyclictest9-21ksoftirqd/021:53:310
29785993628,5cyclictest9-21ksoftirqd/023:12:560
41298350,2rtkit-daemon0-21swapper/023:31:140
41298350,1rtkit-daemon0-21swapper/122:02:101
29787993530,3cyclictest33-21ksoftirqd/222:31:422
29787993530,3cyclictest33-21ksoftirqd/222:12:522
29787993530,3cyclictest33-21ksoftirqd/200:19:322
29787993529,4cyclictest33-21ksoftirqd/222:56:252
2978799352,27cyclictest1064-21apt-get22:40:122
2978799350,3cyclictest32684-21apt-get23:45:122
2978799350,22cyclictest0-21swapper/220:35:152
29786993530,3cyclictest25-21ksoftirqd/122:17:001
29786993530,3cyclictest25-21ksoftirqd/121:51:091
29786993530,3cyclictest25-21ksoftirqd/121:51:091
29786993530,3cyclictest25-21ksoftirqd/121:44:461
29786993530,3cyclictest25-21ksoftirqd/121:31:271
29786993529,4cyclictest25-21ksoftirqd/123:48:551
29786993529,4cyclictest25-21ksoftirqd/122:52:271
29786993529,4cyclictest25-21ksoftirqd/122:09:051
29786993529,4cyclictest25-21ksoftirqd/120:23:511
29786993529,4cyclictest25-21ksoftirqd/119:44:001
29785993529,4cyclictest9-21ksoftirqd/022:21:030
29785993529,4cyclictest9-21ksoftirqd/021:56:570
29785993528,4cyclictest9-21ksoftirqd/023:24:220
29785993528,4cyclictest9-21ksoftirqd/021:45:250
29785993528,4cyclictest9-21ksoftirqd/021:14:090
41298340,2rtkit-daemon0-21swapper/021:23:100
29787993429,3cyclictest33-21ksoftirqd/222:22:232
29787993429,3cyclictest33-21ksoftirqd/200:31:102
29787993428,4cyclictest33-21ksoftirqd/223:24:482
29787993428,4cyclictest33-21ksoftirqd/200:02:242
29786993429,3cyclictest25-21ksoftirqd/123:43:171
29786993429,3cyclictest25-21ksoftirqd/121:14:451
29786993429,3cyclictest25-21ksoftirqd/120:57:241
29786993429,3cyclictest25-21ksoftirqd/119:51:131
29786993429,3cyclictest25-21ksoftirqd/119:33:321
29786993429,3cyclictest25-21ksoftirqd/119:28:581
29786993429,3cyclictest25-21ksoftirqd/100:34:221
29786993428,4cyclictest25-21ksoftirqd/122:36:531
29786993428,4cyclictest25-21ksoftirqd/119:49:571
29786993428,4cyclictest25-21ksoftirqd/119:22:411
29786993428,4cyclictest25-21ksoftirqd/119:22:411
29786993428,4cyclictest25-21ksoftirqd/100:17:391
29785993428,4cyclictest9-21ksoftirqd/019:48:280
29785993428,4cyclictest9-21ksoftirqd/000:04:590
29785993428,3cyclictest9-21ksoftirqd/021:38:040
29785993428,3cyclictest9-21ksoftirqd/019:21:080
29785993428,3cyclictest9-21ksoftirqd/019:21:080
29785993428,3cyclictest9-21ksoftirqd/019:14:020
29787993328,3cyclictest33-21ksoftirqd/220:07:002
29787993328,3cyclictest33-21ksoftirqd/200:21:092
2978799330,4cyclictest15625-21appstreamcli20:55:012
2978799330,1cyclictest0-21swapper/219:10:292
29786993328,3cyclictest25-21ksoftirqd/123:18:051
29786993328,3cyclictest25-21ksoftirqd/119:55:581
29786993327,4cyclictest25-21ksoftirqd/123:03:301
29786993327,4cyclictest25-21ksoftirqd/120:19:061
29785993327,4cyclictest9-21ksoftirqd/020:36:260
29785993327,4cyclictest9-21ksoftirqd/020:25:430
29785993327,4cyclictest9-21ksoftirqd/020:25:420
29785993327,3cyclictest9-21ksoftirqd/022:02:310
29785993327,3cyclictest9-21ksoftirqd/020:47:010
29785993327,3cyclictest9-21ksoftirqd/019:43:180
29787993227,3cyclictest33-21ksoftirqd/220:30:082
29787993226,4cyclictest33-21ksoftirqd/219:26:392
2978799322,27cyclictest31180-21/usr/sbin/munin20:20:152
29786993227,3cyclictest25-21ksoftirqd/123:38:571
29786993227,3cyclictest25-21ksoftirqd/121:39:561
29786993227,3cyclictest25-21ksoftirqd/121:21:041
29786993227,3cyclictest25-21ksoftirqd/100:38:161
29786993226,4cyclictest25-21ksoftirqd/122:48:501
29786993226,4cyclictest25-21ksoftirqd/121:02:221
29786993225,4cyclictest25-21ksoftirqd/100:10:131
29785993227,3cyclictest9-21ksoftirqd/023:26:320
29785993227,3cyclictest9-21ksoftirqd/020:17:090
29785993227,3cyclictest9-21ksoftirqd/020:00:110
29785993226,4cyclictest9-21ksoftirqd/023:09:430
29785993226,4cyclictest9-21ksoftirqd/022:26:060
29785993226,4cyclictest9-21ksoftirqd/020:55:440
29785993226,3cyclictest9-21ksoftirqd/021:41:490
29785993226,3cyclictest9-21ksoftirqd/020:07:410
29785993225,4cyclictest9-21ksoftirqd/021:15:460
29785993225,4cyclictest9-21ksoftirqd/019:19:230
2978799310,2cyclictest323872sleep223:44:262
29786993126,3cyclictest25-21ksoftirqd/122:58:231
29786993126,3cyclictest25-21ksoftirqd/122:44:351
29786993126,3cyclictest25-21ksoftirqd/100:28:101
29786993126,3cyclictest25-21ksoftirqd/100:06:191
29786993125,4cyclictest25-21ksoftirqd/120:06:101
29785993126,3cyclictest9-21ksoftirqd/023:02:530
29785993125,4cyclictest9-21ksoftirqd/022:47:110
29785993125,4cyclictest9-21ksoftirqd/020:32:370
29785993125,4cyclictest9-21ksoftirqd/000:20:100
29785993125,3cyclictest9-21ksoftirqd/021:09:150
112562310,2sleep00-21swapper/019:35:280
29786993025,3cyclictest25-21ksoftirqd/120:27:431
29786993025,3cyclictest25-21ksoftirqd/120:27:431
29786993025,3cyclictest25-21ksoftirqd/100:02:221
29785993025,3cyclictest9-21ksoftirqd/023:37:580
29785993024,4cyclictest9-21ksoftirqd/023:19:200
29785993024,4cyclictest9-21ksoftirqd/020:10:060
29785993024,4cyclictest9-21ksoftirqd/019:52:290
29785993024,4cyclictest9-21ksoftirqd/000:32:030
29785993024,3cyclictest9-21ksoftirqd/000:10:110
29786992925,3cyclictest25-21ksoftirqd/120:54:201
29786992924,3cyclictest25-21ksoftirqd/119:18:551
29786992924,3cyclictest25-21ksoftirqd/119:13:431
29786992923,4cyclictest25-21ksoftirqd/121:48:281
29785992924,3cyclictest9-21ksoftirqd/023:50:110
29785992924,3cyclictest9-21ksoftirqd/022:10:250
29785992924,3cyclictest9-21ksoftirqd/022:08:340
29785992924,3cyclictest9-21ksoftirqd/021:01:420
29785992924,3cyclictest9-21ksoftirqd/019:56:090
29785992923,4cyclictest9-21ksoftirqd/000:17:170
29786992823,3cyclictest25-21ksoftirqd/123:31:581
29786992822,3cyclictest25-21ksoftirqd/120:12:351
29785992823,3cyclictest9-21ksoftirqd/019:31:000
29786992721,4cyclictest25-21ksoftirqd/121:29:301
29786992721,4cyclictest25-21ksoftirqd/121:19:391
29785992722,3cyclictest9-21ksoftirqd/022:55:180
29785992722,3cyclictest9-21ksoftirqd/021:29:330
29785992722,3cyclictest9-21ksoftirqd/019:27:240
29785992621,3cyclictest9-21ksoftirqd/022:41:200
29786992520,3cyclictest25-21ksoftirqd/122:10:061
29786992519,4cyclictest25-21ksoftirqd/123:07:431
29785992521,2cyclictest9-21ksoftirqd/020:40:170
29785992520,3cyclictest9-21ksoftirqd/022:54:590
29785992419,3cyclictest9-21ksoftirqd/000:05:350
29786992318,3cyclictest25-21ksoftirqd/123:20:411
29786992317,4cyclictest25-21ksoftirqd/120:40:361
29786992218,3cyclictest25-21ksoftirqd/120:34:551
29785992217,3cyclictest9-21ksoftirqd/000:39:100
29785992216,3cyclictest9-21ksoftirqd/022:35:140
29786992015,3cyclictest11348-21iostat20:45:161
29786991712,3cyclictest6213-21expr20:35:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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