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2026-05-23 - 08:05
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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 Sat May 23, 2026 00:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4629995328cyclictest0-21swapper/021:03:110
4629995328cyclictest0-21swapper/021:03:110
4629995328cyclictest0-21swapper/021:03:110
71510rcu_preempt0-21swapper/221:18:172
71510rcu_preempt0-21swapper/221:18:172
4629995129cyclictest16708-21apt-get23:33:110
4629995129cyclictest16708-21apt-get23:33:110
4629995129cyclictest16708-21apt-get23:33:110
4629995041cyclictest32709-21apt-get23:03:100
4629995041cyclictest32709-21apt-get23:03:100
4629995030cyclictest1959-21runrttasks00:20:450
4629995030cyclictest1959-21runrttasks00:20:450
4629995030cyclictest1959-21runrttasks00:20:450
4629994931cyclictest6367-21memory21:13:230
4629994931cyclictest6367-21memory21:13:230
4629994925cyclictest20210-21grep21:38:300
4629994925cyclictest20210-21grep21:38:300
4629994925cyclictest20210-21grep21:38:300
4629994823cyclictest125022sleep000:25:030
4629994823cyclictest125022sleep000:25:030
4629994823cyclictest125022sleep000:25:030
71470rcu_preempt0-21swapper/123:38:321
71470rcu_preempt0-21swapper/123:38:321
71470rcu_preempt0-21swapper/123:38:321
4629994728cyclictest3816-21ntp_states00:08:270
4629994728cyclictest3816-21ntp_states00:08:270
4629994728cyclictest21328-21/usr/sbin/munin20:13:170
4629994728cyclictest21328-21/usr/sbin/munin20:13:170
4629994726cyclictest10517-21irqstats19:33:180
4629994726cyclictest10517-21irqstats19:33:180
4629994725cyclictest7444-21apt-get19:23:130
4629994725cyclictest7444-21apt-get19:23:130
4629994725cyclictest7444-21apt-get19:23:130
4629994723cyclictest0-21swapper/022:33:210
4629994723cyclictest0-21swapper/022:33:210
4629994722cyclictest0-21swapper/021:18:320
4629994722cyclictest0-21swapper/021:18:320
4629994722cyclictest0-21swapper/000:38:170
4629994722cyclictest0-21swapper/000:38:170
4629994717cyclictest0-21swapper/021:23:080
4629994717cyclictest0-21swapper/021:23:080
46050470irq/122-QManpo32145-2110:48:550
46050470irq/122-QManpo32145-2110:48:550
4629994628cyclictest27789-21diskstats22:53:150
4629994628cyclictest27789-21diskstats22:53:150
4629994628cyclictest27789-21diskstats22:53:150
4629994628cyclictest27393-21df_inode20:33:150
4629994628cyclictest27393-21df_inode20:33:150
4629994626cyclictest802-21ntp_states20:53:400
4629994626cyclictest802-21ntp_states20:53:400
4629994625cyclictest5563-1kworker/0:1H19:18:210
4629994625cyclictest5563-1kworker/0:1H19:18:210
4629994624cyclictest0-21swapper/023:31:550
4629994624cyclictest0-21swapper/023:31:550
4629994624cyclictest0-21swapper/023:31:550
4629994624cyclictest0-21swapper/021:48:160
4629994624cyclictest0-21swapper/021:48:160
4629994624cyclictest0-21swapper/000:32:070
4629994624cyclictest0-21swapper/000:32:070
4629994623cyclictest13791-21apt-get22:28:110
4629994623cyclictest13791-21apt-get22:28:110
4629994622cyclictest46050irq/122-QMan10:48:550
4629994622cyclictest46050irq/122-QMan10:48:550
4629994622cyclictest0-21swapper/021:08:410
4629994622cyclictest0-21swapper/021:08:410
4629994622cyclictest0-21swapper/021:08:410
4629994622cyclictest0-21swapper/020:29:310
4629994622cyclictest0-21swapper/020:29:310
4629994537cyclictest27366-21apt-get23:53:120
4629994537cyclictest27366-21apt-get23:53:120
4629994527cyclictest20351-21memory20:08:230
4629994527cyclictest20351-21memory20:08:230
4629994527cyclictest20351-21memory20:08:230
4629994526cyclictest987-21irqstats00:03:230
4629994526cyclictest987-21irqstats00:03:230
4629994526cyclictest987-21irqstats00:03:230
4629994526cyclictest25252-21users20:23:290
4629994526cyclictest25252-21users20:23:290
4629994526cyclictest16342-21/usr/sbin/munin19:53:250
4629994526cyclictest16342-21/usr/sbin/munin19:53:250
4629994526cyclictest13036-21/usr/sbin/munin19:43:130
4629994526cyclictest13036-21/usr/sbin/munin19:43:130
4629994525cyclictest5815-21/usr/sbin/munin23:13:250
4629994525cyclictest5815-21/usr/sbin/munin23:13:250
4629994525cyclictest5815-21/usr/sbin/munin23:13:250
4629994525cyclictest22235-21ssh22:43:030
4629994525cyclictest22235-21ssh22:43:030
4629994525cyclictest11833-21diskstats23:23:190
4629994525cyclictest11833-21diskstats23:23:190
4629994523cyclictest0-21swapper/022:46:230
4629994523cyclictest0-21swapper/022:46:230
4629994523cyclictest0-21swapper/020:21:070
4629994523cyclictest0-21swapper/020:21:070
4629994523cyclictest0-21swapper/019:13:250
4629994523cyclictest0-21swapper/019:13:250
4629994523cyclictest0-21swapper/000:02:290
4629994523cyclictest0-21swapper/000:02:290
4629994523cyclictest0-21swapper/000:02:290
4629994522cyclictest0-21swapper/021:32:590
4629994522cyclictest0-21swapper/021:32:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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