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2026-06-29 - 16:13
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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 29, 2026 12:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71590rcu_preempt23274-21apt-get09:29:093
71590rcu_preempt23274-21apt-get09:29:093
71590rcu_preempt23274-21apt-get09:29:093
36992580chrt46650irq/116-QMan10:48:553
36992580chrt46650irq/116-QMan10:48:553
71570rcu_preempt0-21swapper/210:44:212
71570rcu_preempt0-21swapper/210:44:212
71570rcu_preempt0-21swapper/210:44:212
71550rcu_preempt0-21swapper/211:44:342
71550rcu_preempt0-21swapper/211:44:342
71550rcu_preempt0-21swapper/211:44:342
46050500irq/122-QManpo15045-2110:48:550
46050500irq/122-QManpo15045-2110:48:550
1523099494cyclictest0-21swapper/209:32:022
1523099494cyclictest0-21swapper/209:32:022
1523099494cyclictest0-21swapper/209:32:022
1523099462cyclictest28889-21diskstats08:03:542
1523099462cyclictest28889-21diskstats08:03:542
1523199454cyclictest0-21swapper/311:02:433
1523199454cyclictest0-21swapper/311:02:433
1523199454cyclictest0-21swapper/311:02:433
1523199452cyclictest18047-21sendmail-msp11:34:593
1523199452cyclictest18047-21sendmail-msp11:34:593
1523199452cyclictest18047-21sendmail-msp11:34:593
15230994513cyclictest0-21swapper/209:23:542
15230994513cyclictest0-21swapper/209:23:542
15230994513cyclictest0-21swapper/209:23:542
1523199444cyclictest0-21swapper/312:04:083
1523199444cyclictest0-21swapper/312:04:083
1523199444cyclictest0-21swapper/312:04:083
1523199444cyclictest0-21swapper/310:24:513
1523199444cyclictest0-21swapper/310:24:513
1523199444cyclictest0-21swapper/307:59:013
1523199444cyclictest0-21swapper/307:59:013
1523099443cyclictest0-21swapper/211:33:452
1523099443cyclictest0-21swapper/211:33:452
1523099442cyclictest14371-21df_inode10:13:572
1523099442cyclictest14371-21df_inode10:13:572
15230994422cyclictest3639-21ssh10:55:462
15230994422cyclictest3639-21ssh10:55:462
71430rcu_preempt7595-1kworker/1:1H10:03:571
71430rcu_preempt7595-1kworker/1:1H10:03:571
71430rcu_preempt7595-1kworker/1:1H10:03:571
71430rcu_preempt24225-21copy10:33:442
71430rcu_preempt24225-21copy10:33:442
71430rcu_preempt24225-21copy10:33:442
71430rcu_preempt14101-21apt-get10:13:520
71430rcu_preempt14101-21apt-get10:13:520
1523199434cyclictest0-21swapper/309:08:563
1523199434cyclictest0-21swapper/309:08:563
1523199434cyclictest0-21swapper/309:08:563
1523199434cyclictest0-21swapper/308:58:393
1523199434cyclictest0-21swapper/308:58:393
1523199434cyclictest0-21swapper/308:58:393
1523199434cyclictest0-21swapper/308:04:063
1523199434cyclictest0-21swapper/308:04:063
1523199433cyclictest0-21swapper/309:54:503
1523199433cyclictest0-21swapper/309:54:503
1523199432cyclictest8647-21apt-get08:49:093
1523199432cyclictest8647-21apt-get08:49:093
1523199432cyclictest8647-21apt-get08:49:093
1523199432cyclictest22241-21meminfo10:29:013
1523199432cyclictest22241-21meminfo10:29:013
1523199432cyclictest22241-21meminfo10:29:013
1523099434cyclictest0-21swapper/209:57:092
1523099434cyclictest0-21swapper/209:57:092
1523099433cyclictest0-21swapper/212:06:532
1523099433cyclictest0-21swapper/212:06:532
1523099433cyclictest0-21swapper/212:06:532
1523099433cyclictest0-21swapper/207:18:522
1523099433cyclictest0-21swapper/207:18:522
1523099432cyclictest25319-21users10:34:122
1523099432cyclictest25319-21users10:34:122
1523099432cyclictest25319-21users10:34:122
15230994322cyclictest23971-21vmstat07:44:092
15230994322cyclictest23971-21vmstat07:44:092
15230994322cyclictest23971-21vmstat07:44:092
71420rcu_preempt0-21swapper/110:18:501
71420rcu_preempt0-21swapper/110:18:501
1523199424cyclictest0-21swapper/312:26:053
1523199424cyclictest0-21swapper/312:26:053
1523199424cyclictest0-21swapper/312:26:053
1523199424cyclictest0-21swapper/311:54:293
1523199424cyclictest0-21swapper/311:54:293
1523199424cyclictest0-21swapper/311:54:293
1523199424cyclictest0-21swapper/311:33:343
1523199424cyclictest0-21swapper/311:33:343
1523199424cyclictest0-21swapper/311:33:343
1523199424cyclictest0-21swapper/311:13:493
1523199424cyclictest0-21swapper/311:13:493
1523199424cyclictest0-21swapper/311:13:493
1523199424cyclictest0-21swapper/310:47:123
1523199424cyclictest0-21swapper/310:47:123
1523199424cyclictest0-21swapper/310:47:123
1523199424cyclictest0-21swapper/310:34:063
1523199424cyclictest0-21swapper/310:34:063
1523199424cyclictest0-21swapper/310:34:063
1523199424cyclictest0-21swapper/310:04:083
1523199424cyclictest0-21swapper/310:04:083
1523199424cyclictest0-21swapper/310:04:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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