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2026-06-16 - 23:31
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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 Tue Jun 16, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71560rcu_preempt0-21swapper/211:24:432
71560rcu_preempt0-21swapper/211:24:432
71560rcu_preempt0-21swapper/211:24:432
46050440irq/122-QManpo7389-2110:48:550
46050440irq/122-QManpo7389-2110:48:550
71430rcu_preempt21034-21sendmail-msp12:14:510
71430rcu_preempt21034-21sendmail-msp12:14:510
71430rcu_preempt21034-21sendmail-msp12:14:510
71430rcu_preempt0-21swapper/010:39:540
71430rcu_preempt0-21swapper/010:39:540
71430rcu_preempt0-21swapper/010:39:540
46050420irq/122-QManpo1923-10
46050420irq/122-QManpo1923-10
46050420irq/122-QManpo10742-2110:48:550
46050420irq/122-QManpo10742-2110:48:550
46050420irq/122-QManpo10742-2110:48:550
71410rcu_preempt0-21swapper/012:08:410
71410rcu_preempt0-21swapper/012:08:410
71410rcu_preempt0-21swapper/012:08:410
71410rcu_preempt0-21swapper/010:21:200
71410rcu_preempt0-21swapper/010:21:200
46450410irq/118-QManpo7388-2110:48:552
46450410irq/118-QManpo7388-2110:48:552
71400rcu_preempt0-21swapper/209:22:272
71400rcu_preempt0-21swapper/209:22:272
71400rcu_preempt0-21swapper/209:22:272
71400rcu_preempt0-21swapper/111:59:221
71400rcu_preempt0-21swapper/111:59:221
71400rcu_preempt0-21swapper/009:38:450
71400rcu_preempt0-21swapper/009:38:450
46050400irq/122-QManpo27010210:48:550
46050400irq/122-QManpo27010210:48:550
46050400irq/122-QManpo27010210:48:550
46050400irq/122-QManpo24177-2110:48:550
46050400irq/122-QManpo24177-2110:48:550
46050400irq/122-QManpo24177-2110:48:550
1599400migration/013562-21runrttasks12:31:140
1599400migration/013562-21runrttasks12:31:140
1599400migration/013562-21runrttasks12:31:140
71390rcu_preempt26718-21/usr/sbin/munin08:23:400
71390rcu_preempt26718-21/usr/sbin/munin08:23:400
71390rcu_preempt26718-21/usr/sbin/munin08:23:400
71390rcu_preempt0-21swapper/312:26:333
71390rcu_preempt0-21swapper/312:26:333
71390rcu_preempt0-21swapper/312:26:333
71390rcu_preempt0-21swapper/110:13:501
71390rcu_preempt0-21swapper/110:13:501
71390rcu_preempt0-21swapper/012:02:040
71390rcu_preempt0-21swapper/012:02:040
46050390irq/122-QManpo9937-2110:48:550
46050390irq/122-QManpo9937-2110:48:550
46050390irq/122-QManpo9937-2110:48:550
46050390irq/122-QManpo5399-2110:48:550
46050390irq/122-QManpo5399-2110:48:550
46050390irq/122-QManpo23116-2110:48:550
46050390irq/122-QManpo23116-2110:48:550
46050390irq/122-QManpo23116-2110:48:550
71380rcu_preempt7302-21/usr/sbin/munin09:08:513
71380rcu_preempt7302-21/usr/sbin/munin09:08:513
71380rcu_preempt7302-21/usr/sbin/munin09:08:513
71380rcu_preempt446-21taskset12:05:540
71380rcu_preempt446-21taskset12:05:540
71380rcu_preempt446-21taskset12:05:540
71380rcu_preempt22680-21ssh11:45:351
71380rcu_preempt22680-21ssh11:45:351
71380rcu_preempt22680-21ssh11:45:351
71380rcu_preempt0-21swapper/211:56:352
71380rcu_preempt0-21swapper/211:56:352
71380rcu_preempt0-21swapper/211:56:352
71380rcu_preempt0-21swapper/210:02:242
71380rcu_preempt0-21swapper/210:02:242
71380rcu_preempt0-21swapper/209:55:382
71380rcu_preempt0-21swapper/209:55:382
71380rcu_preempt0-21swapper/209:55:382
71380rcu_preempt0-21swapper/012:37:450
71380rcu_preempt0-21swapper/012:37:450
71380rcu_preempt0-21swapper/012:37:450
71380rcu_preempt0-21swapper/011:40:570
71380rcu_preempt0-21swapper/011:40:570
71380rcu_preempt0-21swapper/011:08:220
71380rcu_preempt0-21swapper/011:08:220
71380rcu_preempt0-21swapper/011:08:220
71380rcu_preempt0-21swapper/009:51:310
71380rcu_preempt0-21swapper/009:51:310
71380rcu_preempt0-21swapper/009:51:310
46050380irq/122-QManpo21034-2110:48:550
46050380irq/122-QManpo21034-2110:48:550
46050380irq/122-QManpo1959-2110:48:550
46050380irq/122-QManpo1959-2110:48:550
46050380irq/122-QManpo1959-2110:48:550
71370rcu_preempt31829-21apt-get09:58:370
71370rcu_preempt31829-21apt-get09:58:370
71370rcu_preempt30507-21df_inode10:58:411
71370rcu_preempt30507-21df_inode10:58:411
71370rcu_preempt2481-21ssh10:03:540
71370rcu_preempt2481-21ssh10:03:540
71370rcu_preempt2481-21ssh10:03:540
71370rcu_preempt19684-21ssh09:34:231
71370rcu_preempt19684-21ssh09:34:231
71370rcu_preempt17364-21192.168.115.40-10:33:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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