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2026-06-14 - 19:46
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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 Jun 14, 2026 12:44:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71640rcu_preempt0-21swapper/210:03:502
71640rcu_preempt0-21swapper/210:03:502
71640rcu_preempt0-21swapper/210:03:502
9550994723cyclictest1959-21runrttasks08:43:270
9550994723cyclictest1959-21runrttasks08:43:270
71460rcu_preempt0-21swapper/112:33:481
71460rcu_preempt0-21swapper/112:33:481
71460rcu_preempt0-21swapper/112:33:481
9550994515cyclictest0-21swapper/009:34:250
9550994515cyclictest0-21swapper/009:34:250
9550994515cyclictest0-21swapper/009:34:250
9550994423cyclictest6807-21df10:08:420
9550994423cyclictest6807-21df10:08:420
9550994423cyclictest6807-21df10:08:420
9550994418cyclictest6066-1kworker/0:2H08:58:350
9550994418cyclictest6066-1kworker/0:2H08:58:350
9550994413cyclictest0-21swapper/007:43:380
9550994413cyclictest0-21swapper/007:43:380
9550994322cyclictest23787-21diskstats11:43:400
9550994322cyclictest23787-21diskstats11:43:400
9550994322cyclictest12296-21ntp_states10:18:470
9550994322cyclictest12296-21ntp_states10:18:470
9550994321cyclictest17391-21diskstats10:28:420
9550994321cyclictest17391-21diskstats10:28:420
9550994321cyclictest17391-21diskstats10:28:420
9550994321cyclictest1324-21apt-get12:03:350
9550994321cyclictest1324-21apt-get12:03:350
9550994319cyclictest0-21swapper/012:23:280
9550994319cyclictest0-21swapper/012:23:280
71430rcu_preempt5777-21sh12:11:520
71430rcu_preempt5777-21sh12:11:520
71430rcu_preempt5777-21sh12:11:520
71430rcu_preempt0-21swapper/111:01:171
71430rcu_preempt0-21swapper/111:01:171
71430rcu_preempt0-21swapper/111:01:171
71430rcu_preempt0-21swapper/007:13:460
71430rcu_preempt0-21swapper/007:13:460
46050430irq/122-QManpo9397-210
46050430irq/122-QManpo9397-210
9550994222cyclictest26878-21grep09:43:510
9550994222cyclictest26878-21grep09:43:510
9550994222cyclictest24788-21/usr/sbin/munin10:43:370
9550994222cyclictest24788-21/usr/sbin/munin10:43:370
9550994222cyclictest24788-21/usr/sbin/munin10:43:370
9550994222cyclictest15624-21ntp_states07:33:490
9550994222cyclictest15624-21ntp_states07:33:490
9550994222cyclictest15624-21ntp_states07:33:490
9550994221cyclictest22198-21/usr/sbin/munin10:38:390
9550994221cyclictest22198-21/usr/sbin/munin10:38:390
9550994221cyclictest18206-21ssh12:35:110
9550994221cyclictest18206-21ssh12:35:110
9550994221cyclictest18206-21ssh12:35:110
9550994221cyclictest15300-21users12:28:580
9550994221cyclictest15300-21users12:28:580
9550994221cyclictest15300-21users12:28:580
9550994219cyclictest30432-21/usr/sbin/munin08:28:440
9550994219cyclictest30432-21/usr/sbin/munin08:28:440
9550994219cyclictest30432-21/usr/sbin/munin08:28:440
9550994219cyclictest16468-1unixbench_multi09:23:550
9550994219cyclictest16468-1unixbench_multi09:23:550
9550994219cyclictest16468-1unixbench_multi09:23:550
9550994219cyclictest16468-1unixbench_multi09:23:550
9550994218cyclictest32425-21apt-get10:58:330
9550994218cyclictest32425-21apt-get10:58:330
9550994218cyclictest32425-21apt-get10:58:330
71420rcu_preempt0-21swapper/209:13:282
71420rcu_preempt0-21swapper/209:13:282
71420rcu_preempt0-21swapper/011:09:330
71420rcu_preempt0-21swapper/011:09:330
9550994133cyclictest11553-21munin-run10:18:240
9550994133cyclictest11553-21munin-run10:18:240
9550994122cyclictest13162-21/usr/sbin/munin09:18:460
9550994122cyclictest13162-21/usr/sbin/munin09:18:460
9550994122cyclictest13162-21/usr/sbin/munin09:18:460
9550994122cyclictest13162-21/usr/sbin/munin09:18:460
9550994121cyclictest6209-21taskset08:58:100
9550994121cyclictest6209-21taskset08:58:100
9550994121cyclictest6209-21taskset08:58:100
9550994121cyclictest28810-21df11:53:370
9550994121cyclictest28810-21df11:53:370
9550994121cyclictest28810-21df11:53:370
9550994121cyclictest21178-21ntp_states07:53:480
9550994121cyclictest21178-21ntp_states07:53:480
9550994121cyclictest12187-21munin-run07:23:230
9550994121cyclictest12187-21munin-run07:23:230
9550994120cyclictest29141-21chrt08:23:370
9550994120cyclictest29141-21chrt08:23:370
9550994120cyclictest1959-21runrttasks07:32:550
9550994120cyclictest1959-21runrttasks07:32:550
9550994120cyclictest11983-21df12:23:380
9550994120cyclictest11983-21df12:23:380
9550994120cyclictest11983-21df12:23:380
9550994119cyclictest19831-21ssh12:38:460
9550994119cyclictest19831-21ssh12:38:460
9550994119cyclictest19831-21ssh12:38:460
9550994119cyclictest16085-21grep11:28:480
9550994119cyclictest16085-21grep11:28:480
9550994117cyclictest0-21swapper/012:13:390
9550994117cyclictest0-21swapper/012:13:390
9550994115cyclictest31836-21aten_r4power_cu08:33:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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