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2025-12-13 - 00:18
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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 Dec 12, 2025 00:53:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71800rcu_preempt0-21swapper/221:51:392
71800rcu_preempt0-21swapper/221:51:392
71540rcu_preempt0-21swapper/223:21:052
71540rcu_preempt0-21swapper/223:21:052
71490rcu_preempt0-21swapper/100:59:571
71490rcu_preempt0-21swapper/100:59:571
30555994421cyclictest24222-21df00:28:141
30555994421cyclictest24222-21df00:28:141
71430rcu_preempt12887-21snmpd23:28:071
71430rcu_preempt12887-21snmpd23:28:071
71430rcu_preempt0-21swapper/200:35:382
71430rcu_preempt0-21swapper/200:35:382
71430rcu_preempt0-21swapper/200:35:382
30555994323cyclictest0-21swapper/100:16:271
30555994323cyclictest0-21swapper/100:16:271
71420rcu_preempt0-21swapper/220:52:582
71420rcu_preempt0-21swapper/220:52:582
30555994223cyclictest12503-21ssh00:06:201
30555994223cyclictest12503-21ssh00:06:201
30555994222cyclictest15172-21users22:08:291
30555994222cyclictest15172-21users22:08:291
30555994220cyclictest3627-21/usr/sbin/munin21:48:131
30555994220cyclictest3627-21/usr/sbin/munin21:48:131
30555994220cyclictest0-21swapper/122:03:091
30555994220cyclictest0-21swapper/122:03:091
30555994218cyclictest0-21swapper/122:23:301
30555994218cyclictest0-21swapper/122:23:301
1599420migration/010452-21sh22:00:100
1599420migration/010452-21sh22:00:100
1599420migration/010452-21sh22:00:100
71410rcu_preempt17086-1kworker/0:2H01:05:220
71410rcu_preempt17086-1kworker/0:2H01:05:220
71410rcu_preempt17086-1kworker/0:2H01:05:220
71410rcu_preempt0-21swapper/021:02:580
71410rcu_preempt0-21swapper/021:02:580
30555994124cyclictest1353-21meminfo21:43:211
30555994124cyclictest1353-21meminfo21:43:211
71400rcu_preempt8272-21ssh22:58:062
71400rcu_preempt8272-21ssh22:58:062
71400rcu_preempt24214-21copy23:28:010
71400rcu_preempt24214-21copy23:28:010
71400rcu_preempt0-21swapper/022:58:200
71400rcu_preempt0-21swapper/022:58:200
30555994022cyclictest21599-21diskstats00:23:171
30555994022cyclictest21599-21diskstats00:23:171
30555994020cyclictest4694-21ssh22:50:401
30555994020cyclictest4694-21ssh22:50:401
30555994020cyclictest4694-21ssh22:50:401
30555994020cyclictest303-21memory23:43:201
30555994020cyclictest303-21memory23:43:201
30555994020cyclictest29219-21munin-run00:37:581
30555994020cyclictest29219-21munin-run00:37:581
30555994020cyclictest29219-21munin-run00:37:581
30555994020cyclictest2483-21diskstats00:48:161
30555994020cyclictest2483-21diskstats00:48:161
30555994019cyclictest4122-21/usr/sbin/munin20:03:141
30555994019cyclictest4122-21/usr/sbin/munin20:03:141
30555994018cyclictest8100-21apt-get22:58:181
30555994018cyclictest8100-21apt-get22:58:181
30555994018cyclictest0-21swapper/122:53:221
30555994018cyclictest0-21swapper/122:53:221
30555994018cyclictest0-21swapper/120:28:101
30555994018cyclictest0-21swapper/120:28:101
30555994017cyclictest0-21swapper/122:43:331
30555994017cyclictest0-21swapper/122:43:331
30555994017cyclictest0-21swapper/122:43:331
71390rcu_preempt24829-21memory23:28:262
71390rcu_preempt24829-21memory23:28:262
71390rcu_preempt0-21swapper/121:55:401
71390rcu_preempt0-21swapper/121:55:401
71390rcu_preempt0-21swapper/000:03:160
71390rcu_preempt0-21swapper/000:03:160
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
30555993930cyclictest29154-21apt-get21:33:131
30555993930cyclictest29154-21apt-get21:33:131
30555993918cyclictest32104-21cut00:43:141
30555993918cyclictest32104-21cut00:43:141
30555993918cyclictest18780-21apt-get23:18:201
30555993918cyclictest18780-21apt-get23:18:201
30555993918cyclictest13759-21rm00:08:191
30555993918cyclictest13759-21rm00:08:191
30555993918cyclictest0-21swapper/123:57:581
30555993918cyclictest0-21swapper/123:57:581
30555993918cyclictest0-21swapper/123:57:581
30555993918cyclictest0-21swapper/123:03:151
30555993918cyclictest0-21swapper/123:03:151
30555993917cyclictest27231-21df_abs23:33:141
30555993917cyclictest27231-21df_abs23:33:141
30555993917cyclictest0-21swapper/120:47:561
30555993917cyclictest0-21swapper/120:47:561
30555993915cyclictest0-21swapper/101:11:511
30555993915cyclictest0-21swapper/101:11:511
71380rcu_preempt18048-21apt-get20:53:121
71380rcu_preempt18048-21apt-get20:53:121
71380rcu_preempt18048-21apt-get20:53:121
71380rcu_preempt0-21swapper/100:54:531
71380rcu_preempt0-21swapper/100:54:531
71380rcu_preempt0-21swapper/023:38:270
71380rcu_preempt0-21swapper/023:38:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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