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2026-07-03 - 06:28
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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 Fri Jul 03, 2026 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71740rcu_preempt0-21swapper/021:16:520
71740rcu_preempt0-21swapper/021:16:520
71740rcu_preempt0-21swapper/021:16:520
71460rcu_preempt13468-21sh21:54:281
71460rcu_preempt13468-21sh21:54:281
71450rcu_preempt4975-21diskstats21:39:040
71450rcu_preempt4975-21diskstats21:39:040
71450rcu_preempt0-21swapper/021:19:160
71450rcu_preempt0-21swapper/021:19:160
71450rcu_preempt0-21swapper/021:19:160
71450rcu_preempt0-21swapper/021:19:160
23434994517cyclictest1959-21runrttasks00:05:481
23434994517cyclictest1959-21runrttasks00:05:481
23434994432cyclictest28516-21apt-get00:28:561
23434994432cyclictest28516-21apt-get00:28:561
71420rcu_preempt29718-1kworker/2:0H00:34:012
71420rcu_preempt29718-1kworker/2:0H00:34:012
71420rcu_preempt0-21swapper/122:18:241
71420rcu_preempt0-21swapper/122:18:241
71420rcu_preempt0-21swapper/122:18:241
71420rcu_preempt0-21swapper/022:17:460
71420rcu_preempt0-21swapper/022:17:460
71420rcu_preempt0-21swapper/022:17:460
23434994214cyclictest23945-21ntp_states00:19:081
23434994214cyclictest23945-21ntp_states00:19:081
23434994214cyclictest23945-21ntp_states00:19:081
23434994213cyclictest20402-21meminfo20:59:021
23434994213cyclictest20402-21meminfo20:59:021
23434994213cyclictest20402-21meminfo20:59:021
71410rcu_preempt0-21swapper/100:13:531
71410rcu_preempt0-21swapper/100:13:531
71410rcu_preempt0-21swapper/100:13:531
23434994113cyclictest402-21users21:29:121
23434994113cyclictest402-21users21:29:121
71400rcu_preempt9068-21ssh21:46:493
71400rcu_preempt9068-21ssh21:46:493
71400rcu_preempt0-21swapper/219:33:522
71400rcu_preempt0-21swapper/219:33:522
71400rcu_preempt0-21swapper/023:50:260
71400rcu_preempt0-21swapper/023:50:260
71400rcu_preempt0-21swapper/023:50:260
71400rcu_preempt0-21swapper/019:57:060
71400rcu_preempt0-21swapper/019:57:060
71400rcu_preempt0-21swapper/019:57:060
23434994029cyclictest26835-21apt-get21:18:531
23434994029cyclictest26835-21apt-get21:18:531
23434994029cyclictest26835-21apt-get21:18:531
23434994029cyclictest26835-21apt-get21:18:531
23434994019cyclictest2355-21meminfo19:54:031
23434994019cyclictest2355-21meminfo19:54:031
23434994019cyclictest2355-21meminfo19:54:031
23434994018cyclictest6547-21diskstats22:43:591
23434994018cyclictest6547-21diskstats22:43:591
23434994018cyclictest6547-21diskstats22:43:591
23434994017cyclictest0-21swapper/122:53:561
23434994017cyclictest0-21swapper/122:53:561
23434994017cyclictest0-21swapper/122:53:561
23434994016cyclictest0-21swapper/120:09:101
23434994016cyclictest0-21swapper/120:09:101
71390rcu_preempt3085-1kworker/0:1H20:14:080
71390rcu_preempt3085-1kworker/0:1H20:14:080
71390rcu_preempt3085-1kworker/0:1H20:14:080
71390rcu_preempt0-21swapper/223:09:252
71390rcu_preempt0-21swapper/223:09:252
71390rcu_preempt0-21swapper/020:26:400
71390rcu_preempt0-21swapper/020:26:400
71390rcu_preempt0-21swapper/019:17:250
71390rcu_preempt0-21swapper/019:17:250
46050390irq/122-QManpo16923-2110:48:550
46050390irq/122-QManpo16923-2110:48:550
46050390irq/122-QManpo16923-2110:48:550
23434993930cyclictest14308-21munin-run20:38:421
23434993930cyclictest14308-21munin-run20:38:421
23434993918cyclictest9069-21sed22:48:571
23434993918cyclictest9069-21sed22:48:571
23434993918cyclictest9069-21sed22:48:571
23434993918cyclictest3139-21/usr/sbin/munin23:39:061
23434993918cyclictest3139-21/usr/sbin/munin23:39:061
23434993918cyclictest3139-21/usr/sbin/munin23:39:061
23434993918cyclictest25750-21memory22:19:071
23434993918cyclictest25750-21memory22:19:071
23434993918cyclictest25750-21memory22:19:071
23434993918cyclictest13395-21df_inode23:58:591
23434993918cyclictest13395-21df_inode23:58:591
23434993918cyclictest13395-21df_inode23:58:591
23434993915cyclictest0-21swapper/122:38:421
23434993915cyclictest0-21swapper/122:38:421
23434993910cyclictest0-21swapper/121:40:041
23434993910cyclictest0-21swapper/121:40:041
71380rcu_preempt6109-21sendmail-msp22:59:200
71380rcu_preempt6109-21sendmail-msp22:59:200
71380rcu_preempt6109-21sendmail-msp22:59:200
71380rcu_preempt32572-21sh22:32:561
71380rcu_preempt32572-21sh22:32:561
71380rcu_preempt15936-21users21:59:130
71380rcu_preempt15936-21users21:59:130
71380rcu_preempt14278-21sh21:57:012
71380rcu_preempt14278-21sh21:57:012
71380rcu_preempt10010-1kworker/2:1H00:02:322
71380rcu_preempt10010-1kworker/2:1H00:02:322
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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