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2026-04-05 - 05:44
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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 Apr 05, 2026 00:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71680rcu_preempt0-21swapper/221:14:422
71680rcu_preempt0-21swapper/221:14:422
71570rcu_preempt0-21swapper/223:27:472
71570rcu_preempt0-21swapper/223:27:472
10190994926cyclictest19571-21sort21:27:092
10190994926cyclictest19571-21sort21:27:092
10190994926cyclictest19571-21sort21:27:092
46050480irq/122-QManpo23596-2110:48:550
46050480irq/122-QManpo23596-2110:48:550
71470rcu_preempt9391-21ssh22:06:562
71470rcu_preempt9391-21ssh22:06:562
10190994718cyclictest28418-21df21:42:242
10190994718cyclictest28418-21df21:42:242
10190994718cyclictest28418-21df21:42:242
10190994718cyclictest28418-21df21:42:242
71460rcu_preempt0-21swapper/222:10:512
71460rcu_preempt0-21swapper/222:10:512
71460rcu_preempt0-21swapper/222:10:512
46050460irq/122-QManpo23451-2110:48:550
46050460irq/122-QManpo23451-2110:48:550
10190994524cyclictest2737-21irqstats22:52:272
10190994524cyclictest2737-21irqstats22:52:272
10190994512cyclictest0-21swapper/223:09:502
10190994512cyclictest0-21swapper/223:09:502
10190994512cyclictest0-21swapper/223:09:502
46050430irq/122-QManpo10919-210
46050430irq/122-QManpo10919-210
46050430irq/122-QManpo10919-210
10190994323cyclictest2729-21munin-run20:42:082
10190994323cyclictest2729-21munin-run20:42:082
10190994322cyclictest5633-21/usr/sbin/munin20:52:272
10190994322cyclictest5633-21/usr/sbin/munin20:52:272
10190994322cyclictest20167-21meminfo21:27:302
10190994322cyclictest20167-21meminfo21:27:302
10190994313cyclictest0-21swapper/223:49:542
10190994313cyclictest0-21swapper/223:49:542
10190994222cyclictest1526-21irqstats21:52:282
10190994222cyclictest1526-21irqstats21:52:282
10190994219cyclictest9199-21munin-run00:02:092
10190994219cyclictest9199-21munin-run00:02:092
10190994219cyclictest9199-21munin-run00:02:092
10190994215cyclictest1425-21ssh22:50:082
10190994215cyclictest1425-21ssh22:50:082
71410rcu_preempt30420-21sh21:46:203
71410rcu_preempt30420-21sh21:46:203
71410rcu_preempt30420-21sh21:46:203
71410rcu_preempt30420-21sh21:46:203
71410rcu_preempt0-21swapper/121:12:191
71410rcu_preempt0-21swapper/121:12:191
10190994124cyclictest1959-21runrttasks00:35:112
10190994124cyclictest1959-21runrttasks00:35:112
10190994124cyclictest1959-21runrttasks00:35:112
10190994121cyclictest12237-21df00:07:242
10190994121cyclictest12237-21df00:07:242
10190994120cyclictest8652-21memory23:02:322
10190994120cyclictest8652-21memory23:02:322
10190994120cyclictest25064-21df_inode23:32:242
10190994120cyclictest25064-21df_inode23:32:242
10190994120cyclictest25064-21df_inode23:32:242
10190994120cyclictest1959-21runrttasks22:35:062
10190994120cyclictest1959-21runrttasks22:35:062
10190994114cyclictest0-21swapper/200:30:122
10190994114cyclictest0-21swapper/200:30:122
10190994114cyclictest0-21swapper/200:30:122
100292410sleep08342-1kworker/0:0H19:11:300
100292410sleep08342-1kworker/0:0H19:11:300
71400rcu_preempt0-21swapper/200:06:562
71400rcu_preempt0-21swapper/200:06:562
71400rcu_preempt0-21swapper/200:06:562
71400rcu_preempt0-21swapper/121:27:581
71400rcu_preempt0-21swapper/121:27:581
46050400irq/122-QManpo8418-2110:48:550
46050400irq/122-QManpo8418-2110:48:550
10190994029cyclictest14171-21apt-get21:17:192
10190994029cyclictest14171-21apt-get21:17:192
10190994025cyclictest11388-21chrt19:16:032
10190994025cyclictest11388-21chrt19:16:032
10190994020cyclictest7199-21ssh23:00:062
10190994020cyclictest7199-21ssh23:00:062
10190994020cyclictest29108-21diskstats00:37:242
10190994020cyclictest29108-21diskstats00:37:242
10190994020cyclictest29108-21diskstats00:37:242
10190994020cyclictest26993-21/usr/sbin/munin20:12:212
10190994020cyclictest26993-21/usr/sbin/munin20:12:212
10190994019cyclictest29521-21munin-run20:22:072
10190994019cyclictest29521-21munin-run20:22:072
10190994019cyclictest29521-21munin-run20:22:072
10190994018cyclictest31140-21ntp_states23:42:342
10190994018cyclictest31140-21ntp_states23:42:342
10190994018cyclictest31140-21ntp_states23:42:342
10190994017cyclictest0-21swapper/222:17:292
10190994017cyclictest0-21swapper/222:17:292
10190994017cyclictest0-21swapper/222:17:292
10190994017cyclictest0-21swapper/200:15:252
10190994017cyclictest0-21swapper/200:15:252
10190994015cyclictest29574-21ssh23:40:032
10190994015cyclictest29574-21ssh23:40:032
71390rcu_preempt0-21swapper/121:23:181
71390rcu_preempt0-21swapper/121:23:181
71390rcu_preempt0-21swapper/121:23:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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