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2026-06-15 - 22:15
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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 Mon Jun 15, 2026 12:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
46050520irq/122-QManpo11328-2110:48:550
46050520irq/122-QManpo11328-2110:48:550
71500rcu_preempt0-21swapper/011:33:400
71500rcu_preempt0-21swapper/011:33:400
71500rcu_preempt0-21swapper/011:33:400
11549994819cyclictest16389-21taskset10:38:330
71460rcu_preempt0-21swapper/007:38:490
71460rcu_preempt0-21swapper/007:38:490
11549994622cyclictest6632-21apt-get08:53:370
11549994622cyclictest6632-21apt-get08:53:370
46650450irq/116-QManpo7496-2110:48:553
46650450irq/116-QManpo7496-2110:48:553
71440rcu_preempt9044-21taskset07:09:212
71440rcu_preempt9044-21taskset07:09:212
71440rcu_preempt0-21swapper/009:48:420
71440rcu_preempt0-21swapper/009:48:420
71440rcu_preempt0-21swapper/009:48:420
11549994423cyclictest24943-21chrt09:44:540
11549994423cyclictest24943-21chrt09:44:540
11549994423cyclictest24943-21chrt09:44:540
11549994422cyclictest19525-21apt-get07:43:340
11549994422cyclictest19525-21apt-get07:43:340
11549994414cyclictest0-21swapper/012:07:580
11549994414cyclictest0-21swapper/012:07:580
11549994414cyclictest0-21swapper/012:07:580
71430rcu_preempt0-21swapper/212:13:492
71430rcu_preempt0-21swapper/212:13:492
71430rcu_preempt0-21swapper/212:13:492
71430rcu_preempt0-21swapper/012:26:370
71430rcu_preempt0-21swapper/012:26:370
71430rcu_preempt0-21swapper/012:26:370
46250430irq/120-QManpo11388-2110:48:551
46250430irq/120-QManpo11388-2110:48:551
11549994322cyclictest32284-21munin-run10:03:260
11549994322cyclictest32284-21munin-run10:03:260
11549994322cyclictest32284-21munin-run10:03:260
11549994322cyclictest32284-21munin-run10:03:260
11549994322cyclictest10238-21ntp_states11:28:510
11549994322cyclictest10238-21ntp_states11:28:510
11549994322cyclictest10238-21ntp_states11:28:510
11549994321cyclictest489-21df_inode12:13:430
11549994321cyclictest489-21df_inode12:13:430
11549994321cyclictest489-21df_inode12:13:430
11549994321cyclictest17338-21ssh10:38:540
11549994321cyclictest17338-21ssh10:38:540
11549994321cyclictest17338-21ssh10:38:540
11549994319cyclictest0-21swapper/012:18:400
11549994319cyclictest0-21swapper/012:18:400
11549994313cyclictest0-21swapper/009:21:050
11549994313cyclictest0-21swapper/009:21:050
11549994313cyclictest0-21swapper/009:21:050
71420rcu_preempt30064-21grep08:18:530
71420rcu_preempt30064-21grep08:18:530
71420rcu_preempt0-21swapper/209:13:252
71420rcu_preempt0-21swapper/209:13:252
71420rcu_preempt0-21swapper/109:56:571
71420rcu_preempt0-21swapper/109:56:571
71420rcu_preempt0-21swapper/109:56:571
71420rcu_preempt0-21swapper/012:32:300
71420rcu_preempt0-21swapper/012:32:300
71420rcu_preempt0-21swapper/012:32:300
71420rcu_preempt0-21swapper/009:15:210
71420rcu_preempt0-21swapper/009:15:210
46050420irq/122-QManpo9836-2110:48:550
46050420irq/122-QManpo9836-2110:48:550
11549994223cyclictest9273-21munin-run09:03:240
11549994223cyclictest9273-21munin-run09:03:240
11549994223cyclictest22470-21df07:53:390
11549994223cyclictest22470-21df07:53:390
11549994222cyclictest5756-21ntp_states08:48:490
11549994222cyclictest5756-21ntp_states08:48:490
11549994222cyclictest5756-21ntp_states08:48:490
11549994222cyclictest30929-21diskstats08:23:410
11549994222cyclictest30929-21diskstats08:23:410
11549994222cyclictest30929-21diskstats08:23:410
11549994222cyclictest2654-21ntp_states11:13:510
11549994222cyclictest2654-21ntp_states11:13:510
11549994221cyclictest29506-21/usr/sbin/munin11:03:390
11549994221cyclictest29506-21/usr/sbin/munin11:03:390
11549994221cyclictest29506-21/usr/sbin/munin11:03:390
11549994220cyclictest24049-21apt-get10:53:360
11549994220cyclictest24049-21apt-get10:53:360
11549994220cyclictest0-21swapper/011:53:430
11549994220cyclictest0-21swapper/011:53:430
11549994219cyclictest18976-21apt-get10:43:360
11549994219cyclictest18976-21apt-get10:43:360
11549994219cyclictest0-21swapper/009:36:090
11549994219cyclictest0-21swapper/009:36:090
11549994219cyclictest0-21swapper/009:36:090
11549994219cyclictest0-21swapper/009:36:090
11549994219cyclictest0-21swapper/008:03:390
11549994219cyclictest0-21swapper/008:03:390
11549994219cyclictest0-21swapper/008:03:390
11549994218cyclictest0-21swapper/011:10:100
11549994218cyclictest0-21swapper/011:10:100
11549994218cyclictest0-21swapper/011:10:100
11549994217cyclictest11039-21df_inode09:08:390
11549994217cyclictest11039-21df_inode09:08:390
11549994213cyclictest1958-21snmpd11:43:350
11549994213cyclictest1958-21snmpd11:43:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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