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2026-05-20 - 17:27
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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 Wed May 20, 2026 12:44:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71440rcu_preempt0-21swapper/009:23:360
71440rcu_preempt0-21swapper/009:23:360
71440rcu_preempt0-21swapper/009:23:360
46050440irq/122-QManpo16141-2110:48:550
46050440irq/122-QManpo16141-2110:48:550
46050440irq/122-QManpo16141-2110:48:550
46050440irq/122-QManpo0-210
46050440irq/122-QManpo0-210
46050440irq/122-QManpo0-210
71430rcu_preempt9165-21/usr/sbin/munin07:13:232
71430rcu_preempt9165-21/usr/sbin/munin07:13:232
71430rcu_preempt9165-21/usr/sbin/munin07:13:232
71430rcu_preempt9165-21/usr/sbin/munin07:13:232
71420rcu_preempt8287-1kworker/1:1H09:28:551
71420rcu_preempt8287-1kworker/1:1H09:28:551
71420rcu_preempt8287-1kworker/1:1H09:28:551
46050410irq/122-QManpo24457-2110:48:550
46050410irq/122-QManpo24457-2110:48:550
71400rcu_preempt26354-21grep11:43:272
71400rcu_preempt26354-21grep11:43:272
71400rcu_preempt0-21swapper/309:03:103
71400rcu_preempt0-21swapper/309:03:103
71400rcu_preempt0-21swapper/008:31:520
71400rcu_preempt0-21swapper/008:31:520
46050400irq/122-QManpo9418-2110:48:550
46050400irq/122-QManpo9418-2110:48:550
46050400irq/122-QManpo9418-2110:48:550
46050400irq/122-QManpo9418-2110:48:550
46050400irq/122-QManpo4671-2110:48:550
46050400irq/122-QManpo4671-2110:48:550
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
71390rcu_preempt29401-1ssh10:48:260
71390rcu_preempt29401-1ssh10:48:260
71390rcu_preempt29401-1ssh10:48:260
71390rcu_preempt29234-21df_abs09:48:120
71390rcu_preempt29234-21df_abs09:48:120
71390rcu_preempt16949-21sh11:27:050
71390rcu_preempt16949-21sh11:27:050
71390rcu_preempt0-21swapper/211:03:132
71390rcu_preempt0-21swapper/211:03:132
71390rcu_preempt0-21swapper/211:03:132
71390rcu_preempt0-21swapper/012:09:440
71390rcu_preempt0-21swapper/012:09:440
71390rcu_preempt0-21swapper/012:09:440
46050390irq/122-QManpo3869-2110:48:550
46050390irq/122-QManpo3869-2110:48:550
46050390irq/122-QManpo2152-2110:48:550
46050390irq/122-QManpo2152-2110:48:550
46050390irq/122-QManpo14135-2110:48:550
46050390irq/122-QManpo14135-2110:48:550
46050390irq/122-QManpo12199-2110:48:550
46050390irq/122-QManpo12199-2110:48:550
46050390irq/122-QManpo12199-2110:48:550
71380rcu_preempt26270-21sendmail-msp09:53:440
71380rcu_preempt26270-21sendmail-msp09:53:440
71380rcu_preempt26270-21sendmail-msp09:53:440
71380rcu_preempt17418-21apt-get11:28:080
71380rcu_preempt17418-21apt-get11:28:080
71380rcu_preempt0-21swapper/212:05:002
71380rcu_preempt0-21swapper/212:05:002
71380rcu_preempt0-21swapper/110:15:511
71380rcu_preempt0-21swapper/110:15:511
71380rcu_preempt0-21swapper/110:15:511
71380rcu_preempt0-21swapper/010:27:090
71380rcu_preempt0-21swapper/010:27:090
71380rcu_preempt0-21swapper/007:22:580
71380rcu_preempt0-21swapper/007:22:580
71380rcu_preempt0-21swapper/007:22:580
46050380irq/122-QManpo9013-2110:48:550
46050380irq/122-QManpo9013-2110:48:550
46050380irq/122-QManpo4814-2110:48:550
46050380irq/122-QManpo4814-2110:48:550
46050380irq/122-QManpo4452-2110:48:550
46050380irq/122-QManpo4452-2110:48:550
46050380irq/122-QManpo4452-2110:48:550
46050380irq/122-QManpo25848-2110:48:550
46050380irq/122-QManpo25848-2110:48:550
46050380irq/122-QManpo23063-2110:48:550
46050380irq/122-QManpo23063-2110:48:550
46050380irq/122-QManpo18512-2110:48:550
46050380irq/122-QManpo18512-2110:48:550
46050380irq/122-QManpo18512-2110:48:550
46050380irq/122-QManpo15737-2110:48:550
46050380irq/122-QManpo15737-2110:48:550
46050380irq/122-QManpo14139-2110:48:550
46050380irq/122-QManpo14139-2110:48:550
46050380irq/122-QManpo14139-2110:48:550
46050380irq/122-QManpo13358-2110:48:550
46050380irq/122-QManpo13358-2110:48:550
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
71370rcu_preempt4802-21ssh12:03:581
71370rcu_preempt4802-21ssh12:03:581
71370rcu_preempt2468-21ntp_states09:58:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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