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2026-08-02 - 21:37
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack4slot4.osadl.org (updated Sun Aug 02, 2026 12:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71600rcu_preempt0-21swapper/009:36:010
71600rcu_preempt0-21swapper/009:36:010
71600rcu_preempt0-21swapper/009:36:010
20166995439cyclictest3938-21apt-get08:14:230
20166995439cyclictest3938-21apt-get08:14:230
20166995221cyclictest46050irq/122-QMan10:48:550
20166995221cyclictest46050irq/122-QMan10:48:550
20166995128cyclictest12259-21apt-get08:44:250
20166995128cyclictest12259-21apt-get08:44:250
20166995030cyclictest8228-21ntp_states11:44:420
20166995030cyclictest8228-21ntp_states11:44:420
20166995030cyclictest8228-21ntp_states11:44:420
20166995027cyclictest17876-21diskstats11:04:340
20166995027cyclictest17876-21diskstats11:04:340
20166995027cyclictest17876-21diskstats11:04:340
20166994928cyclictest21447-21memory07:19:350
20166994928cyclictest21447-21memory07:19:350
20166994928cyclictest21447-21memory07:19:350
20166994927cyclictest1959-21runrttasks09:04:130
20166994927cyclictest1959-21runrttasks09:04:130
20166994920cyclictest1156-21apt-get08:04:280
20166994920cyclictest1156-21apt-get08:04:280
20166994839cyclictest11975-21apt-get10:54:260
20166994839cyclictest11975-21apt-get10:54:260
20166994838cyclictest10432-21apt-get11:49:240
20166994838cyclictest10432-21apt-get11:49:240
20166994838cyclictest10432-21apt-get11:49:240
20166994830cyclictest24606-21copy10:19:180
20166994830cyclictest24606-21copy10:19:180
20166994830cyclictest24606-21copy10:19:180
20166994828cyclictest27263-21/usr/sbin/munin12:19:350
20166994828cyclictest27263-21/usr/sbin/munin12:19:350
20166994828cyclictest27263-21/usr/sbin/munin12:19:350
20166994824cyclictest0-21swapper/009:24:410
20166994824cyclictest0-21swapper/009:24:410
20166994727cyclictest25032-21ntp_states12:14:410
20166994727cyclictest25032-21ntp_states12:14:410
20166994727cyclictest25032-21ntp_states12:14:410
20166994726cyclictest30035-21users09:29:430
20166994726cyclictest30035-21users09:29:430
20166994726cyclictest30035-21users09:29:430
20166994726cyclictest13782-21df_inode09:59:310
20166994726cyclictest13782-21df_inode09:59:310
20166994726cyclictest13782-21df_inode09:59:310
20166994725cyclictest22243-21ntp_states12:09:410
20166994725cyclictest22243-21ntp_states12:09:410
20166994725cyclictest22243-21ntp_states12:09:410
20166994724cyclictest0-21swapper/012:04:350
20166994724cyclictest0-21swapper/012:04:350
20166994724cyclictest0-21swapper/007:29:310
20166994724cyclictest0-21swapper/007:29:310
20166994723cyclictest0-21swapper/009:05:180
20166994723cyclictest0-21swapper/009:05:180
20166994627cyclictest6926-21ntp_states10:44:400
20166994627cyclictest6926-21ntp_states10:44:400
20166994627cyclictest6926-21ntp_states10:44:400
20166994627cyclictest1002-21munin-run08:04:150
20166994627cyclictest1002-21munin-run08:04:150
20166994627cyclictest1002-21munin-run08:04:150
20166994626cyclictest9718-21ntp_states10:49:380
20166994626cyclictest9718-21ntp_states10:49:380
20166994626cyclictest7367-21ssh09:48:150
20166994626cyclictest7367-21ssh09:48:150
20166994626cyclictest7367-21ssh09:48:150
20166994626cyclictest16916-21ntp_states10:04:420
20166994626cyclictest16916-21ntp_states10:04:420
20166994626cyclictest16916-21ntp_states10:04:420
20166994625cyclictest6115-21snmpd11:19:170
20166994625cyclictest6115-21snmpd11:19:170
20166994624cyclictest15042-21ssh10:59:310
20166994624cyclictest15042-21ssh10:59:310
20166994623cyclictest0-21swapper/009:58:270
20166994623cyclictest0-21swapper/009:58:270
20166994623cyclictest0-21swapper/008:22:290
20166994623cyclictest0-21swapper/008:22:290
20166994622cyclictest0-21swapper/009:19:270
20166994622cyclictest0-21swapper/009:19:270
20166994622cyclictest0-21swapper/009:19:270
20166994621cyclictest15418-21memory08:54:350
20166994621cyclictest15418-21memory08:54:350
20166994527cyclictest2570-21diskstats09:39:310
20166994527cyclictest2570-21diskstats09:39:310
20166994527cyclictest2570-21diskstats09:39:310
20166994526cyclictest6424-21irqstats12:39:320
20166994526cyclictest6424-21irqstats12:39:320
20166994526cyclictest6424-21irqstats12:39:320
20166994526cyclictest32029-21ssh10:31:430
20166994526cyclictest32029-21ssh10:31:430
20166994526cyclictest32029-21ssh10:31:430
20166994526cyclictest20842-21meminfo11:09:350
20166994526cyclictest20842-21meminfo11:09:350
20166994525cyclictest906-21meminfo12:29:380
20166994525cyclictest906-21meminfo12:29:380
20166994524cyclictest28023-21grep07:44:240
20166994524cyclictest28023-21grep07:44:240
20166994524cyclictest28023-21grep07:44:240
20166994523cyclictest0-21swapper/012:01:580
20166994523cyclictest0-21swapper/012:01:580
20166994523cyclictest0-21swapper/012:01:580
20166994523cyclictest0-21swapper/010:24:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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