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2026-05-12 - 14:01
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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 50 highest latencies:
System rack4slot4.osadl.org (updated Tue May 12, 2026 12:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2671599502cyclictest14119-21sendmail-msp10:26:071
2671599502cyclictest14119-21sendmail-msp10:26:071
2671599481cyclictest10605-21aten_r4power_cu07:23:031
2671599481cyclictest10605-21aten_r4power_cu07:23:031
2671599481cyclictest10605-21aten_r4power_cu07:23:031
71470rcu_preempt0-21swapper/212:13:272
71470rcu_preempt0-21swapper/212:13:272
46450470irq/118-QManpo3032-2110:48:552
46450470irq/118-QManpo3032-2110:48:552
46450470irq/118-QManpo3032-2110:48:552
2671599463cyclictest13489-21df_inode12:23:041
2671599463cyclictest13489-21df_inode12:23:041
2671599463cyclictest13489-21df_inode12:23:041
2671599454cyclictest0-21swapper/109:28:011
2671599454cyclictest0-21swapper/109:28:011
2671599454cyclictest0-21swapper/109:28:011
2671599442cyclictest1959-21runrttasks11:03:111
2671599442cyclictest1959-21runrttasks11:03:111
2671599442cyclictest1959-21runrttasks11:03:111
26715994415cyclictest0-21swapper/107:42:521
26715994415cyclictest0-21swapper/107:42:521
71430rcu_preempt0-21swapper/107:11:291
71430rcu_preempt0-21swapper/107:11:291
71430rcu_preempt0-21swapper/107:11:291
2671599436cyclictest26306-21ssh09:43:411
2671599436cyclictest26306-21ssh09:43:411
2671599436cyclictest26306-21ssh09:43:411
2671599434cyclictest0-21swapper/107:19:431
2671599434cyclictest0-21swapper/107:19:431
2671599433cyclictest25011-21ntp_states08:13:141
2671599433cyclictest25011-21ntp_states08:13:141
2671599433cyclictest0-21swapper/108:43:211
2671599433cyclictest0-21swapper/108:43:211
2671599433cyclictest0-21swapper/108:43:211
2671599432cyclictest30771-21ntp_states10:53:151
2671599432cyclictest30771-21ntp_states10:53:151
2671599432cyclictest30771-21ntp_states10:53:151
2671599432cyclictest2355-21ntp_states08:48:141
2671599432cyclictest2355-21ntp_states08:48:141
2671599432cyclictest1959-21runrttasks11:44:581
2671599432cyclictest1959-21runrttasks11:44:581
2671599432cyclictest1959-21runrttasks11:09:131
2671599432cyclictest1959-21runrttasks11:09:131
2671599432cyclictest1959-21runrttasks11:09:131
71420rcu_preempt3771-21basename07:18:020
71420rcu_preempt0-21swapper/009:33:360
71420rcu_preempt0-21swapper/009:33:360
71420rcu_preempt0-21swapper/009:28:450
71420rcu_preempt0-21swapper/009:28:450
71420rcu_preempt0-21swapper/009:28:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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