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2026-07-12 - 05:02
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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 Jul 12, 2026 00:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71460rcu_preempt17262-21copy23:28:580
71460rcu_preempt17262-21copy23:28:580
71460rcu_preempt17262-21copy23:28:580
71460rcu_preempt0-21swapper/319:49:043
71460rcu_preempt0-21swapper/319:49:043
71460rcu_preempt0-21swapper/319:49:043
1103099462cyclictest16507-21apt-get22:24:011
1103099462cyclictest16507-21apt-get22:24:011
71450rcu_preempt0-21swapper/022:38:150
71450rcu_preempt0-21swapper/022:38:150
71450rcu_preempt0-21swapper/022:38:150
1103099454cyclictest0-21swapper/121:17:061
1103099454cyclictest0-21swapper/121:17:061
1103099453cyclictest6741-21ntp_states20:54:171
1103099453cyclictest6741-21ntp_states20:54:171
1103099448cyclictest22586-21diskmemload21:33:521
1103099448cyclictest22586-21diskmemload21:33:521
1103099444cyclictest0-21swapper/123:54:061
1103099444cyclictest0-21swapper/123:54:061
1103099444cyclictest0-21swapper/123:54:061
1103099444cyclictest0-21swapper/123:27:371
1103099444cyclictest0-21swapper/123:27:371
1103099444cyclictest0-21swapper/123:27:371
1103099444cyclictest0-21swapper/100:18:521
1103099444cyclictest0-21swapper/100:18:521
1103099444cyclictest0-21swapper/100:18:521
1103099443cyclictest25588-21users20:04:221
1103099443cyclictest25588-21users20:04:221
1103099443cyclictest15205-21diskstats19:29:091
1103099443cyclictest15205-21diskstats19:29:091
1103099443cyclictest0-21swapper/122:44:081
1103099443cyclictest0-21swapper/122:44:081
1103099443cyclictest0-21swapper/122:44:081
1103099443cyclictest0-21swapper/122:40:581
1103099443cyclictest0-21swapper/122:40:581
71430rcu_preempt0-21swapper/222:56:372
71430rcu_preempt0-21swapper/222:56:372
71430rcu_preempt0-21swapper/222:56:372
71430rcu_preempt0-21swapper/123:11:531
71430rcu_preempt0-21swapper/123:11:531
71430rcu_preempt0-21swapper/123:11:531
71430rcu_preempt0-21swapper/123:11:531
1103099434cyclictest1278-21awk20:34:181
1103099434cyclictest1278-21awk20:34:181
1103099434cyclictest1278-21awk20:34:181
1103099434cyclictest0-21swapper/121:59:151
1103099434cyclictest0-21swapper/121:59:151
1103099434cyclictest0-21swapper/121:59:151
1103099434cyclictest0-21swapper/121:59:151
1103099433cyclictest0-21swapper/123:59:461
1103099433cyclictest0-21swapper/123:59:461
1103099433cyclictest0-21swapper/123:59:461
1103099433cyclictest0-21swapper/123:59:461
1103099433cyclictest0-21swapper/122:30:011
1103099433cyclictest0-21swapper/122:30:011
1103099433cyclictest0-21swapper/122:30:011
1103099433cyclictest0-21swapper/122:11:061
1103099433cyclictest0-21swapper/122:11:061
1103099433cyclictest0-21swapper/122:11:061
1103099433cyclictest0-21swapper/121:57:551
1103099433cyclictest0-21swapper/121:57:551
1103099433cyclictest0-21swapper/121:57:551
1103099433cyclictest0-21swapper/100:37:491
1103099433cyclictest0-21swapper/100:37:491
1103099433cyclictest0-21swapper/100:37:491
1103099433cyclictest0-21swapper/100:24:091
1103099433cyclictest0-21swapper/100:24:091
1103099433cyclictest0-21swapper/100:24:091
1103099433cyclictest0-21swapper/100:24:091
1103099432cyclictest14191-21/usr/sbin/munin19:24:191
1103099432cyclictest14191-21/usr/sbin/munin19:24:191
1103099432cyclictest14191-21/usr/sbin/munin19:24:191
71420rcu_preempt0-21swapper/223:04:132
71420rcu_preempt0-21swapper/223:04:132
71420rcu_preempt0-21swapper/223:04:132
46050420irq/122-QManpo0-210
46050420irq/122-QManpo0-210
46050420irq/122-QManpo0-210
1103099423cyclictest30442-21df20:24:061
1103099423cyclictest30442-21df20:24:061
1103099423cyclictest30442-21df20:24:061
1103099423cyclictest0-21swapper/123:02:381
1103099423cyclictest0-21swapper/123:02:381
1103099423cyclictest0-21swapper/123:02:381
1103099423cyclictest0-21swapper/122:19:011
1103099423cyclictest0-21swapper/122:19:011
1103099423cyclictest0-21swapper/121:24:201
1103099423cyclictest0-21swapper/121:24:201
1103099423cyclictest0-21swapper/121:24:201
1103099423cyclictest0-21swapper/119:38:521
1103099423cyclictest0-21swapper/119:38:521
1103099423cyclictest0-21swapper/100:09:381
1103099423cyclictest0-21swapper/100:09:381
1103099423cyclictest0-21swapper/100:09:381
1103099422cyclictest28870-21/usr/sbin/munin20:19:061
1103099422cyclictest28870-21/usr/sbin/munin20:19:061
1103099422cyclictest28870-21/usr/sbin/munin20:19:061
1103099422cyclictest27742-21munin-run21:43:531
1103099422cyclictest27742-21munin-run21:43:531
1103099422cyclictest21726-21ntp_states00:39:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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