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2025-12-04 - 20:29
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackfslot4.osadl.org (updated Thu Dec 04, 2025 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
765298282273,6cyclictest1050ksoftirqd/007:32:110
765698275267,5cyclictest14832-21kworker/u8:2407:32:111
683922700,2sleep35454-1kworker/u9:007:05:303
598522680,3sleep25981-21apt-get07:05:142
673322610,2sleep10-21swapper/107:05:251
765298252244,4cyclictest1050ksoftirqd/008:17:140
765698244237,4cyclictest24382-21kworker/u8:808:17:141
766098166160,4cyclictest14838-21kworker/u8:3007:32:103
766098141131,6cyclictest31881-21kworker/u8:6108:17:133
765998140134,4cyclictest14809-21kworker/u8:007:32:112
726721320,3sleep27266-21/usr/sbin/munin10:55:432
726721320,3sleep27266-21/usr/sbin/munin10:55:432
765298130124,3cyclictest1050ksoftirqd/012:06:400
765698125117,5cyclictest20016-21kworker/u8:1412:06:411
1700121230,2sleep116978-21mailstats11:15:411
765998115104,6cyclictest31929-21kworker/u8:10908:17:142
7652989889,6cyclictest1050ksoftirqd/008:41:530
7652989690,3cyclictest1050ksoftirqd/009:12:320
7652989386,3cyclictest1050ksoftirqd/010:17:020
7656988982,4cyclictest5147-21kworker/u8:408:41:531
7656988779,4cyclictest18559-21kworker/u8:610:17:031
7652987766,8cyclictest10-21ksoftirqd/007:16:500
7652987669,3cyclictest1050ksoftirqd/011:12:210
202722720,3sleep30-21swapper/310:15:353
7656987062,4cyclictest5361-21kworker/u8:411:12:201
7652986655,8cyclictest10-21ksoftirqd/007:11:470
7656986559,3cyclictest9222-21kworker/u8:4007:16:491
273832460,2sleep327386-21missed_timers10:30:263
111802440,3sleep110685-21kworker/u8:908:45:111
7652984333,7cyclictest10-21ksoftirqd/009:06:230
7652984332,8cyclictest10-21ksoftirqd/010:01:540
7652984332,8cyclictest10-21ksoftirqd/010:01:530
101372420,2sleep30-21swapper/308:40:343
7652983928,8cyclictest10-21ksoftirqd/012:37:200
7660983811,23cyclictest26260-21ntpq09:20:393
246502370,7sleep225-21ksoftirqd/209:18:102
246502370,7sleep225-21ksoftirqd/209:18:102
158842370,1sleep2241rcuc/210:05:452
158842370,1sleep2241rcuc/210:05:442
766098369,4cyclictest19183-21ntpq11:20:323
7660983512,20cyclictest3441-21sshd08:24:223
7660983510,4cyclictest3477-21/usr/sbin/munin11:55:273
7652983524,8cyclictest10-21ksoftirqd/009:26:560
766098348,6cyclictest12767-21cron08:50:003
7656983414,5cyclictest19-21ksoftirqd/109:05:151
312362340,10sleep119-21ksoftirqd/108:10:351
292142340,7sleep1191ksoftirqd/108:05:291
89662330,8sleep119-21ksoftirqd/108:38:551
766098339,5cyclictest15693-21ntpq08:55:453
766098339,4cyclictest4499-21kworker/u8:512:00:423
766098339,4cyclictest18170-21ntpq12:25:353
765698331,4cyclictest121rcu_preempt12:15:151
175502330,3chrt0-21swapper/209:00:322
766098329,4cyclictest7119-21ntpq10:55:423
766098329,4cyclictest7119-21ntpq10:55:413
766098329,4cyclictest16187-21/usr/sbin/munin11:15:223
766098328,5cyclictest0-21swapper/312:30:313
766098325,6cyclictest18979-21ps09:05:313
766098325,6cyclictest15885-21date11:15:013
766098321,13cyclictest29005-21ntpq11:40:423
766098321,10cyclictest12041-21/usr/sbin/munin11:05:443
7660983210,4cyclictest29928-21ntp_states10:35:403
7660983210,4cyclictest29482-21ntpq08:05:403
765998326,4cyclictest25163-21ntpq10:25:372
7656983225,4cyclictest8889-21kworker/u8:310:01:541
7656983225,4cyclictest8889-21kworker/u8:310:01:531
766098318,4cyclictest8890-21kworker/u8:510:00:003
766098317,4cyclictest1174-21ssh11:50:273
766098316,6cyclictest7255-21date09:50:013
766098315,5cyclictest16130-21kworker/u8:310:10:003
766098315,5cyclictest16130-21kworker/u8:310:10:003
766098315,4cyclictest19099-21modprobe07:40:003
766098315,4cyclictest0-21swapper/312:40:013
766098313,5cyclictest10109-21grep07:15:283
766098311,8cyclictest12213-21apt-get10:00:123
766098311,8cyclictest12213-21apt-get10:00:123
766098311,11cyclictest26564-21ntpq11:35:483
7652983123,5cyclictest10-21ksoftirqd/011:15:170
766098309,6cyclictest31-21ksoftirqd/308:00:303
766098309,6cyclictest31-21ksoftirqd/308:00:303
766098308,4cyclictest14208-21ntp_kernel_err07:25:313
766098307,7cyclictest13655-21expr08:50:263
766098305,4cyclictest31799-21ps10:40:243
766098304,4cyclictest24413-21runrttasks09:17:003
766098304,4cyclictest24413-21runrttasks09:17:003
766098302,6cyclictest25373-21wc10:26:103
766098301,8cyclictest17817-21ntpq10:10:293
766098301,8cyclictest17817-21ntpq10:10:293
765998306,6cyclictest25-21ksoftirqd/211:10:122
765998306,5cyclictest4603-21ntpq08:25:332
765998303,6cyclictest2650-21apt-get09:40:172
765698303,4cyclictest121rcu_preempt11:25:141
7656983011,4cyclictest19-21ksoftirqd/107:10:131
7652983022,5cyclictest10-21ksoftirqd/008:45:170
69802300,14sleep1121rcu_preempt12:02:351
766098297,6cyclictest31-21ksoftirqd/307:20:333
766098297,4cyclictest8445-21/usr/sbin/munin12:05:263
766098296,4cyclictest0-21swapper/311:25:283
766098293,7cyclictest20007-21kworker/u8:311:30:283
766098293,6cyclictest22614-21munin-plugin-st09:15:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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