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2026-03-16 - 08:41
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackfslot7.osadl.org (updated Mon Mar 16, 2026 00:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3425380999695,1cyclictest3502657-21munin-run21:30:024
3425380999595,0cyclictest3549222-21munin-run22:55:004
342538099835,59cyclictest3475363-21kworker/u32:0+events_unbound20:55:034
3425380998224,39cyclictest3455724-21taskset20:03:554
342538099813,59cyclictest3467171-21kworker/u32:2+events_unbound20:25:394
3425380998122,39cyclictest362-21jbd2/sda2-800:36:274
3425380997335,19cyclictest3565417-21taskset23:24:064
3425380997233,1cyclictest191rcu_preempt21:50:194
3425380997214,19cyclictest0-21swapper/419:53:514
3425380997213,40cyclictest3576608-21taskset23:44:174
3425380996931,19cyclictest0-21swapper/420:06:284
342538099667,59cyclictest3538631-21cpuspeed22:35:104
3425380996627,39cyclictest0-21swapper/420:48:064
3425380996627,39cyclictest0-21swapper/420:48:054
3425380996526,39cyclictest0-21swapper/421:57:594
3425380996526,39cyclictest0-21swapper/421:02:194
3425380996425,39cyclictest3469903-21/usr/sbin/munin20:30:194
3425380996425,19cyclictest0-21swapper/400:28:264
342538099636,39cyclictest3495212-21kworker/u32:2+events_unbound21:16:044
3425380996325,38cyclictest0-21swapper/423:19:354
3425380996325,19cyclictest362-21jbd2/sda2-823:56:264
3425380996324,39cyclictest0-21swapper/421:13:274
3425380996324,39cyclictest0-21swapper/420:53:284
3425380996324,39cyclictest0-21swapper/420:53:274
3425380996324,19cyclictest0-21swapper/422:15:594
3425380996223,39cyclictest61-21ksoftirqd/419:32:084
3425380996223,19cyclictest191rcu_preempt23:34:394
342538099612,40cyclictest3438986-21kworker/u32:1+events_unbound19:56:164
3425380996123,19cyclictest3476548-21/usr/sbin/munin20:40:184
342538099591,39cyclictest871-21mta-sts-daemon19:40:174
342538099580,39cyclictest3504289-21wc21:30:214
3425380995718,20cyclictest776-21dbus-daemon00:00:194
3425380995618,19cyclictest3598991-21munin-run00:25:004
3425380995517,19cyclictest3523378-21proc_pri22:05:214
3425380995419,15cyclictest0-21swapper/423:13:544
3425380995419,15cyclictest0-21swapper/419:23:284
3425380995319,15cyclictest0-21swapper/422:22:244
3425380995316,18cyclictest3508094-21cat21:40:024
3425380995315,38cyclictest3510765-21cut21:45:014
3425380995315,19cyclictest3447639-21munin-run19:50:014
3425382995214,19cyclictest0-21swapper/620:40:146
3425380995233,19cyclictest0-21swapper/423:47:424
3425380995233,19cyclictest0-21swapper/423:38:264
3425380995233,19cyclictest0-21swapper/422:55:034
3425380995233,19cyclictest0-21swapper/420:22:214
3425380995233,19cyclictest0-21swapper/419:17:554
3425380995213,39cyclictest0-21swapper/422:41:144
3425380995213,39cyclictest0-21swapper/422:25:074
3425380995213,39cyclictest0-21swapper/422:12:404
3425380995213,39cyclictest0-21swapper/421:09:004
3425380995213,39cyclictest0-21swapper/420:18:514
3425380995213,39cyclictest0-21swapper/400:30:024
3425380995213,19cyclictest0-21swapper/420:12:294
3425380995133,18cyclictest0-21swapper/423:25:304
3425380995133,18cyclictest0-21swapper/423:05:054
3425380995133,18cyclictest0-21swapper/422:02:524
3425380995133,18cyclictest0-21swapper/421:48:114
3425380995133,18cyclictest0-21swapper/419:39:154
3425380995133,18cyclictest0-21swapper/400:10:434
3425380995132,19cyclictest0-21swapper/420:36:274
3425380995112,39cyclictest0-21swapper/400:05:324
3425380995112,19cyclictest0-21swapper/400:15:184
3425376995113,19cyclictest0-21swapper/019:45:160
3425380995031,19cyclictest0-21swapper/422:49:014
3425380995031,19cyclictest0-21swapper/419:27:154
3425380995011,39cyclictest0-21swapper/423:00:564
342537699500,49cyclictest0-21swapper/022:40:110
3425380994931,18cyclictest0-21swapper/422:31:434
3425380994931,18cyclictest0-21swapper/419:12:074
3425376994810,19cyclictest0-21swapper/023:45:150
3425376994810,19cyclictest0-21swapper/019:30:150
3425380994728,19cyclictest0-21swapper/421:23:554
342537699468,38cyclictest0-21swapper/000:35:160
3425376994628,18cyclictest0-21swapper/020:05:150
3425383994526,19cyclictest0-21swapper/721:25:167
3425378994525,1cyclictest871-21mta-sts-daemon23:20:152
342537699457,19cyclictest0-21swapper/000:10:140
3425380994426,18cyclictest0-21swapper/423:53:034
342537699446,19cyclictest0-21swapper/000:30:150
342537699424,19cyclictest0-21swapper/022:50:160
342538299390,39cyclictest0-21swapper/622:01:236
342537699380,19cyclictest0-21swapper/023:05:160
3425376993737,0cyclictest3469297-21kworker/0:1+events20:52:410
3425376993737,0cyclictest3469297-21kworker/0:1+events20:52:410
3425376993737,0cyclictest3469297-21kworker/0:1+events20:42:180
342537699370,18cyclictest0-21swapper/000:25:160
342537999360,35cyclictest0-21swapper/322:05:153
3425376993636,0cyclictest3568026-21kworker/0:1+events23:56:440
3425376993636,0cyclictest3568026-21kworker/0:1+events23:36:400
3425376993636,0cyclictest3543056-21kworker/0:1+events22:45:410
3425376993636,0cyclictest3485736-21kworker/0:2+events22:32:410
3425376993636,0cyclictest3485736-21kworker/0:2+events21:58:570
3425376993636,0cyclictest3469297-21kworker/0:1+events20:28:370
342537699360,36cyclictest0-21swapper/021:10:150
3425382993517,18cyclictest0-21swapper/621:25:156
342537999350,35cyclictest0-21swapper/322:30:153
342537999350,16cyclictest0-21swapper/320:10:173
342537999350,15cyclictest0-21swapper/322:55:153
342537999350,15cyclictest0-21swapper/321:45:153
342537999350,15cyclictest0-21swapper/321:30:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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