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2026-05-27 - 02:23
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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 rack1slot1.osadl.org (updated Wed May 27, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
232092214143,23sleep20-21swapper/219:09:522
231632210159,25sleep30-21swapper/319:09:173
228912209175,22sleep00-21swapper/019:05:430
229122205151,21sleep10-21swapper/119:06:011
263772720,0sleep10-21swapper/122:48:411
23292991919,0cyclictest9-21ksoftirqd/021:36:440
282872160,0sleep00-21swapper/021:25:130
23292991616,0cyclictest9-21ksoftirqd/023:29:400
23292991616,0cyclictest9-21ksoftirqd/021:57:560
23292991616,0cyclictest9-21ksoftirqd/021:34:380
2330099150,0cyclictest0-21swapper/119:40:111
23292991515,0cyclictest9-21ksoftirqd/023:34:530
23292991515,0cyclictest9-21ksoftirqd/023:23:000
23292991515,0cyclictest9-21ksoftirqd/023:16:470
23292991515,0cyclictest9-21ksoftirqd/023:16:470
23292991514,1cyclictest9-21ksoftirqd/022:39:520
23300991410,4cyclictest21-21ksoftirqd/123:18:541
23300991410,4cyclictest21-21ksoftirqd/123:18:541
23300991410,4cyclictest0-21swapper/121:38:101
23300991410,0cyclictest21-21ksoftirqd/121:15:441
2329299147,1cyclictest9-21ksoftirqd/000:24:450
23292991414,0cyclictest9-21ksoftirqd/023:39:530
23292991414,0cyclictest9-21ksoftirqd/022:54:410
23292991414,0cyclictest9-21ksoftirqd/022:18:450
23292991414,0cyclictest9-21ksoftirqd/021:23:030
23292991413,1cyclictest9-21ksoftirqd/022:20:130
23292991412,1cyclictest9-21ksoftirqd/020:20:000
27062130,0sleep20-21swapper/223:44:012
23310991311,1cyclictest28-21ksoftirqd/221:10:002
2331099131,11cyclictest29591-21apt-get22:10:112
2330099130,13cyclictest21-21ksoftirqd/123:07:421
2330099130,0cyclictest111rcu_preempt23:30:051
2329299133,5cyclictest31085-21perf19:25:000
23292991313,0cyclictest9-21ksoftirqd/023:14:150
23292991313,0cyclictest9-21ksoftirqd/023:09:550
23292991313,0cyclictest9-21ksoftirqd/022:10:510
23292991313,0cyclictest9-21ksoftirqd/021:45:010
23292991313,0cyclictest9-21ksoftirqd/021:11:040
23292991313,0cyclictest9-21ksoftirqd/000:11:100
23292991313,0cyclictest9-21ksoftirqd/000:00:460
23292991312,1cyclictest9-21ksoftirqd/023:40:100
23292991312,1cyclictest9-21ksoftirqd/000:20:000
23292991311,1cyclictest9-21ksoftirqd/022:00:120
23318991210,1cyclictest35-21ksoftirqd/320:50:003
2330099128,4cyclictest21-21ksoftirqd/123:52:301
2330099128,4cyclictest21-21ksoftirqd/122:11:431
2330099128,0cyclictest21-21ksoftirqd/119:34:591
2329299122,5cyclictest4388-21perf00:30:000
23292991212,0cyclictest9-21ksoftirqd/023:45:100
23292991212,0cyclictest9-21ksoftirqd/022:57:330
23292991212,0cyclictest9-21ksoftirqd/021:51:550
23292991212,0cyclictest9-21ksoftirqd/000:38:510
23292991211,1cyclictest9-21ksoftirqd/023:00:130
23292991211,1cyclictest9-21ksoftirqd/022:45:110
23292991211,1cyclictest9-21ksoftirqd/021:40:100
23292991211,1cyclictest9-21ksoftirqd/021:15:120
23292991211,1cyclictest9-21ksoftirqd/021:00:120
23292991211,1cyclictest9-21ksoftirqd/020:50:120
23292991211,1cyclictest9-21ksoftirqd/020:40:110
23292991211,1cyclictest9-21ksoftirqd/019:55:100
23292991211,1cyclictest9-21ksoftirqd/019:45:090
23292991210,1cyclictest9-21ksoftirqd/022:30:140
23292991210,1cyclictest9-21ksoftirqd/022:05:150
23318991111,0cyclictest0-21swapper/321:46:553
2330099118,0cyclictest0-21swapper/121:04:341
2330099110,0cyclictest0-21swapper/121:49:221
2329299119,1cyclictest9-21ksoftirqd/023:50:170
2329299119,1cyclictest9-21ksoftirqd/022:25:130
2329299119,1cyclictest9-21ksoftirqd/020:10:190
2329299119,1cyclictest9-21ksoftirqd/020:00:210
2329299119,1cyclictest9-21ksoftirqd/019:35:100
2329299119,1cyclictest9-21ksoftirqd/019:30:120
2329299119,1cyclictest9-21ksoftirqd/019:20:000
2329299115,6cyclictest9-21ksoftirqd/020:45:150
23292991111,0cyclictest9-21ksoftirqd/000:30:120
23292991111,0cyclictest9-21ksoftirqd/000:08:490
23292991110,1cyclictest9-21ksoftirqd/023:55:110
23292991110,1cyclictest9-21ksoftirqd/020:55:120
23292991110,1cyclictest9-21ksoftirqd/020:30:120
23292991110,1cyclictest9-21ksoftirqd/020:25:120
23292991110,1cyclictest9-21ksoftirqd/019:25:100
23292991110,0cyclictest9-21ksoftirqd/022:40:100
45722108,1sleep228-21ksoftirqd/221:35:222
2331899108,1cyclictest35-21ksoftirqd/319:40:003
2331899108,1cyclictest35-21ksoftirqd/319:25:103
2331899100,8cyclictest0-21swapper/323:11:283
2331099108,1cyclictest28-21ksoftirqd/219:20:002
2331099100,7cyclictest14525-21kworker/u8:023:18:552
2331099100,7cyclictest14525-21kworker/u8:023:18:552
2330099100,10cyclictest0-21swapper/100:14:531
2330099100,0cyclictest0-21swapper/122:56:301
2330099100,0cyclictest0-21swapper/120:42:091
2329299109,1cyclictest9-21ksoftirqd/021:05:140
2329299109,1cyclictest9-21ksoftirqd/020:35:160
2329299109,1cyclictest9-21ksoftirqd/020:20:220
2329299109,1cyclictest9-21ksoftirqd/019:50:130
2329299108,1cyclictest9-21ksoftirqd/020:05:150
2329299108,1cyclictest9-21ksoftirqd/019:40:120
233189997,1cyclictest35-21ksoftirqd/320:45:003
233189990,6cyclictest0-21swapper/322:49:023
233109998,1cyclictest28-21ksoftirqd/223:00:002
233109998,1cyclictest23290-21cyclictest22:31:172
233009998,1cyclictest21-21ksoftirqd/122:20:001
233009998,0cyclictest21-21ksoftirqd/123:45:241
233009995,4cyclictest0-21swapper/119:23:471
233009994,5cyclictest56-21kworker/1:119:50:131
233009991,7cyclictest111rcu_preempt21:40:191
233009991,7cyclictest0-21swapper/122:30:131
232929998,1cyclictest9-21ksoftirqd/019:10:140
17921290,0sleep20-21swapper/223:20:152
8761280,0sleep20-21swapper/223:08:372
28330280,1sleep30-21swapper/322:07:153
233189988,0cyclictest35-21ksoftirqd/322:00:003
233189987,1cyclictest35-21ksoftirqd/320:40:003
233189987,1cyclictest12992-21kworker/3:021:39:443
233189980,4cyclictest22154-21/usr/sbin/munin22:00:193
233109987,1cyclictest28-21ksoftirqd/221:30:522
233109986,1cyclictest61650irq/122-eno122:35:122
233109986,0cyclictest61650irq/122-eno121:26:302
233109982,6cyclictest25935-21kworker/u8:123:39:572
233109982,4cyclictest20800-21which21:15:152
233109980,6cyclictest20015-21kworker/u8:121:22:542
233109980,5cyclictest25665-21munin-node00:05:542
233109980,4cyclictest0-21swapper/220:00:112
233009988,0cyclictest21-21ksoftirqd/123:57:321
233009988,0cyclictest21-21ksoftirqd/123:20:121
233009988,0cyclictest21-21ksoftirqd/122:43:001
233009988,0cyclictest21-21ksoftirqd/122:20:221
233009988,0cyclictest21-21ksoftirqd/121:56:381
233009988,0cyclictest21-21ksoftirqd/121:30:061
233009988,0cyclictest21-21ksoftirqd/121:26:361
233009988,0cyclictest21-21ksoftirqd/120:19:081
233009988,0cyclictest21-21ksoftirqd/100:26:581
233009988,0cyclictest21-21ksoftirqd/100:15:161
233009988,0cyclictest0-21swapper/123:35:111
233009987,1cyclictest21-21ksoftirqd/120:45:131
233009987,1cyclictest21-21ksoftirqd/100:09:471
233009987,1cyclictest111rcu_preempt22:25:191
233009987,1cyclictest111rcu_preempt19:30:001
233009986,1cyclictest111rcu_preempt00:00:141
233009982,3cyclictest0-21swapper/100:35:191
233009981,0cyclictest111rcu_preempt21:10:471
233009980,8cyclictest0-21swapper/123:43:071
233009980,8cyclictest0-21swapper/122:51:111
233009980,7cyclictest111rcu_preempt19:55:131
233189976,1cyclictest467-21ntpq21:30:183
233189976,1cyclictest35-21ksoftirqd/323:40:003
233189976,1cyclictest35-21ksoftirqd/323:05:143
233189976,1cyclictest35-21ksoftirqd/322:20:003
233189976,1cyclictest35-21ksoftirqd/320:00:003
233189976,1cyclictest35-21ksoftirqd/319:15:003
233189976,1cyclictest25395-21idleruntime-cro00:15:003
233189975,1cyclictest17979-21perf00:05:003
233189975,0cyclictest15955-21diskmemload00:19:273
233189973,2cyclictest240-21systemd-journal00:24:393
233189972,3cyclictest15955-21diskmemload23:15:063
233189972,3cyclictest15955-21diskmemload23:15:063
233189972,3cyclictest0-21swapper/322:30:133
233189971,3cyclictest0-21swapper/322:25:033
233189970,6cyclictest0-21swapper/323:53:593
233189970,3cyclictest0-21swapper/300:07:473
233109976,1cyclictest61650irq/122-eno122:40:472
233109976,1cyclictest61650irq/122-eno122:25:182
233109976,1cyclictest61650irq/122-eno122:22:142
233109976,1cyclictest61650irq/122-eno122:15:102
233109976,1cyclictest0-21swapper/221:14:382
233109976,0cyclictest61650irq/122-eno122:02:282
233109975,1cyclictest9633-21ssh00:35:192
233109975,1cyclictest61650irq/122-eno121:45:122
233109975,1cyclictest61650irq/122-eno100:30:132
233109975,1cyclictest61650irq/122-eno100:15:002
233109975,1cyclictest0-21swapper/223:55:142
233109973,3cyclictest29598-21apt-get00:20:112
233109972,4cyclictest28-21ksoftirqd/219:50:152
233109970,5cyclictest16533-21diskmemload00:00:582
233109970,3cyclictest873-21apt-get00:25:092
233109970,1cyclictest0-21swapper/221:50:122
233009977,0cyclictest211ksoftirqd/119:45:131
233009977,0cyclictest21-21ksoftirqd/121:07:341
233009977,0cyclictest21-21ksoftirqd/120:36:041
233009977,0cyclictest21-21ksoftirqd/120:30:181
233009977,0cyclictest21-21ksoftirqd/100:20:111
233009977,0cyclictest0-21swapper/123:25:111
233009977,0cyclictest0-21swapper/119:35:191
233009976,1cyclictest21-21ksoftirqd/122:05:161
233009976,1cyclictest21-21ksoftirqd/122:01:041
233009975,1cyclictest111rcu_preempt23:10:291
233009972,1cyclictest0-21swapper/121:50:121
233009970,7cyclictest0-21swapper/122:36:391
233009970,7cyclictest0-21swapper/121:20:211
233009970,7cyclictest0-21swapper/120:02:271
233009970,6cyclictest0-21swapper/120:05:151
233009970,0cyclictest0-21swapper/119:10:131
233189965,1cyclictest7918-21ntpq20:50:193
233189965,1cyclictest6639-21ssh00:31:033
233189965,1cyclictest5231-21ssh23:45:363
233189965,1cyclictest35-21ksoftirqd/321:16:353
233189965,1cyclictest35-21ksoftirqd/319:45:003
233189965,1cyclictest31645-21ssh22:11:073
233189965,1cyclictest3000-21ssh00:26:173
233189965,1cyclictest28637-21ssh21:25:153
233189965,1cyclictest2859-21ssh23:44:263
233189965,1cyclictest26761-21ssh21:23:063
233189965,1cyclictest19143-21ssh22:39:163
233189964,0cyclictest15955-21diskmemload23:31:083
233189963,1cyclictest240-21systemd-journal23:20:373
233189963,1cyclictest0-21swapper/323:03:193
233189962,2cyclictest240-21systemd-journal23:26:233
233189962,2cyclictest240-21systemd-journal20:00:323
233189961,2cyclictest0-21swapper/323:58:053
233189961,2cyclictest0-21swapper/321:51:553
233189960,4cyclictest0-21swapper/322:56:133
233189960,4cyclictest0-21swapper/322:40:253
233189960,4cyclictest0-21swapper/322:20:143
233189960,2cyclictest0-21swapper/321:11:313
233189960,2cyclictest0-21swapper/321:00:123
233189960,2cyclictest0-21swapper/300:36:423
233109966,0cyclictest61650irq/122-eno123:50:132
233109966,0cyclictest61650irq/122-eno123:45:112
233109966,0cyclictest61650irq/122-eno123:30:102
233109966,0cyclictest61650irq/122-eno122:50:062
233109966,0cyclictest61650irq/122-eno122:46:032
233109966,0cyclictest61650irq/122-eno120:41:472
233109966,0cyclictest61650irq/122-eno120:30:132
233109966,0cyclictest61650irq/122-eno120:24:112
233109966,0cyclictest61650irq/122-eno120:05:252
233109966,0cyclictest61650irq/122-eno119:40:202
233109966,0cyclictest61650irq/122-eno119:35:112
233109966,0cyclictest61650irq/122-eno119:23:532
233109966,0cyclictest61650irq/122-eno100:10:072
233109965,1cyclictest61650irq/122-eno122:05:112
233109965,1cyclictest22535-21ssh23:25:202
233109964,1cyclictest61650irq/122-eno123:10:142
233109964,1cyclictest61650irq/122-eno123:00:162
233109964,1cyclictest61650irq/122-eno121:55:132
233109964,1cyclictest27755-21fschecks_count20:25:142
233109962,3cyclictest22943-21df20:15:132
233109962,1cyclictest6753-21apt-get20:50:122
233109961,4cyclictest8903-21sh21:41:002
233109960,4cyclictest5177-21gltestperf20:45:152
233109960,2cyclictest0-21swapper/219:45:092
233009966,0cyclictest21-21ksoftirqd/123:00:001
233009966,0cyclictest21-21ksoftirqd/120:50:181
233009966,0cyclictest21-21ksoftirqd/120:20:151
233009966,0cyclictest0-21swapper/120:25:131
233009964,1cyclictest111rcu_preempt20:10:111
233009960,5cyclictest0-21swapper/100:30:031
233009960,0cyclictest0-21swapper/120:55:151
29405250,0sleep30-21swapper/319:20:133
233189953,1cyclictest9612-21df_inode20:55:143
233189953,1cyclictest35-21ksoftirqd/320:32:513
233189952,1cyclictest240-21systemd-journal20:15:173
233189952,1cyclictest20087-21/usr/sbin/munin20:10:113
233189950,5cyclictest0-21swapper/320:26:073
233189950,1cyclictest6981-21aten_r1power_po21:40:113
233189950,1cyclictest240-21systemd-journal19:15:013
233189950,1cyclictest0-21swapper/322:50:413
233109955,0cyclictest61650irq/122-eno121:00:182
233109955,0cyclictest61650irq/122-eno119:30:162
233109955,0cyclictest0-21swapper/219:29:042
233109954,1cyclictest61650irq/122-eno119:55:122
233109954,1cyclictest28-21ksoftirqd/220:55:112
233109953,1cyclictest0-21swapper/220:35:152
233109950,4cyclictest0-21swapper/220:10:122
233109950,4cyclictest0-21swapper/219:10:122
233009955,0cyclictest21-21ksoftirqd/119:16:241
233189943,1cyclictest35-21ksoftirqd/320:05:073
233189942,1cyclictest572-21nscd19:30:113
233189941,3cyclictest24830-21apt-get20:20:133
233189941,1cyclictest240-21systemd-journal19:45:473
233189940,4cyclictest13840-21apt-get21:05:123
233189940,3cyclictest10655-21apt-get19:50:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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