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2026-03-23 - 15:51
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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 Mar 23, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71680rcu_preempt20405-21kworker/3:011:32:043
71680rcu_preempt20405-21kworker/3:011:32:043
1609099623cyclictest0-21swapper/010:32:060
1609099623cyclictest0-21swapper/010:32:060
1609099582cyclictest26106-21memory09:27:180
1609099582cyclictest26106-21memory09:27:180
71540rcu_preempt0-21swapper/209:23:212
71540rcu_preempt0-21swapper/209:23:212
1609099544cyclictest0-21swapper/011:42:200
1609099544cyclictest0-21swapper/011:42:200
1609099544cyclictest0-21swapper/011:42:200
1609099534cyclictest0-21swapper/012:24:430
1609099534cyclictest0-21swapper/012:24:430
1609099534cyclictest0-21swapper/012:24:430
1609099534cyclictest0-21swapper/008:47:080
1609099534cyclictest0-21swapper/008:47:080
1609099534cyclictest0-21swapper/008:47:080
1609099533cyclictest2363-21ntp_states09:42:190
1609099533cyclictest2363-21ntp_states09:42:190
1609099533cyclictest2363-21ntp_states09:42:190
1609099532cyclictest4994-21meminfo08:27:140
1609099532cyclictest4994-21meminfo08:27:140
1609099529cyclictest15651-21apt-get10:07:070
1609099529cyclictest15651-21apt-get10:07:070
1609099529cyclictest15651-21apt-get10:07:070
1609099524cyclictest0-21swapper/010:53:270
1609099524cyclictest0-21swapper/010:53:270
1609099524cyclictest0-21swapper/010:22:250
1609099524cyclictest0-21swapper/010:22:250
1609099524cyclictest0-21swapper/010:22:250
1609099523cyclictest0-21swapper/012:02:360
1609099523cyclictest0-21swapper/012:02:360
1609099523cyclictest0-21swapper/012:02:360
1609099522cyclictest30154-21aten_r4power_vo08:02:080
1609099522cyclictest30154-21aten_r4power_vo08:02:080
1609099514cyclictest0-21swapper/011:05:080
1609099514cyclictest0-21swapper/011:05:080
1609099514cyclictest0-21swapper/010:17:160
1609099514cyclictest0-21swapper/010:17:160
1609099514cyclictest0-21swapper/010:17:160
1609099513cyclictest0-21swapper/012:09:080
1609099513cyclictest0-21swapper/012:09:080
1609099513cyclictest0-21swapper/010:27:150
1609099513cyclictest0-21swapper/010:27:150
1609099513cyclictest0-21swapper/009:52:240
1609099513cyclictest0-21swapper/009:52:240
1609099513cyclictest0-21swapper/007:52:190
1609099513cyclictest0-21swapper/007:52:190
1609099512cyclictest5477-21ssh12:41:570
1609099512cyclictest5477-21ssh12:41:570
1609099512cyclictest410-21/usr/sbin/munin10:37:170
1609099512cyclictest410-21/usr/sbin/munin10:37:170
1609099512cyclictest410-21/usr/sbin/munin10:37:170
1609099512cyclictest12810-21sendmail-msp10:02:090
1609099512cyclictest12810-21sendmail-msp10:02:090
1609099511cyclictest8756-21apt-get08:42:060
1609099511cyclictest8756-21apt-get08:42:060
1609099511cyclictest8756-21apt-get08:42:060
1609099504cyclictest14061-1kworker/0:0H11:22:230
1609099504cyclictest14061-1kworker/0:0H11:22:230
1609099504cyclictest14061-1kworker/0:0H11:22:230
1609099504cyclictest0-21swapper/011:57:310
1609099504cyclictest0-21swapper/011:57:310
1609099504cyclictest0-21swapper/007:29:370
1609099504cyclictest0-21swapper/007:29:370
1609099503cyclictest0-21swapper/012:22:010
1609099503cyclictest0-21swapper/012:22:010
1609099503cyclictest0-21swapper/011:35:540
1609099503cyclictest0-21swapper/011:35:540
1609099503cyclictest0-21swapper/011:20:060
1609099503cyclictest0-21swapper/011:20:060
1609099503cyclictest0-21swapper/011:20:060
1609099503cyclictest0-21swapper/011:12:140
1609099503cyclictest0-21swapper/011:12:140
1609099503cyclictest0-21swapper/011:12:140
1609099503cyclictest0-21swapper/011:11:050
1609099503cyclictest0-21swapper/011:11:050
1609099503cyclictest0-21swapper/011:11:050
1609099503cyclictest0-21swapper/010:45:280
1609099503cyclictest0-21swapper/010:45:280
1609099503cyclictest0-21swapper/010:45:280
1609099503cyclictest0-21swapper/009:41:270
1609099503cyclictest0-21swapper/009:41:270
1609099503cyclictest0-21swapper/009:41:270
1609099503cyclictest0-21swapper/009:41:270
1609099503cyclictest0-21swapper/009:22:380
1609099503cyclictest0-21swapper/009:22:380
1609099503cyclictest0-21swapper/008:32:130
1609099503cyclictest0-21swapper/008:32:130
1609099502cyclictest28397-21diskstats11:27:140
1609099502cyclictest28397-21diskstats11:27:140
1609099502cyclictest28397-21diskstats11:27:140
1609099502cyclictest1445-21wget11:37:070
1609099502cyclictest1445-21wget11:37:070
1609099502cyclictest1445-21wget11:37:070
16090995017cyclictest19255-21irqstats07:22:130
16090995017cyclictest19255-21irqstats07:22:130
16090995016cyclictest7556-21ntp_states11:47:210
16090995016cyclictest7556-21ntp_states11:47:210
1609099494cyclictest0-21swapper/009:47:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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