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2025-06-17 - 02:25
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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 Jun 17, 2025 00:53:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71660rcu_preempt0-21swapper/121:41:221
71660rcu_preempt0-21swapper/121:41:221
71660rcu_preempt0-21swapper/121:41:221
595799593cyclictest0-21swapper/023:00:010
595799593cyclictest0-21swapper/023:00:010
595799593cyclictest0-21swapper/023:00:010
71540rcu_preempt17250-1kworker/2:2H01:09:522
71540rcu_preempt17250-1kworker/2:2H01:09:522
71540rcu_preempt17250-1kworker/2:2H01:09:522
595799542cyclictest23562-21ntp_states20:40:090
595799542cyclictest23562-21ntp_states20:40:090
595799541cyclictest23487-21apt-get00:09:560
595799541cyclictest23487-21apt-get00:09:560
595799541cyclictest23487-21apt-get00:09:560
595799541cyclictest17454-21taskset23:58:170
595799541cyclictest17454-21taskset23:58:170
595799541cyclictest17454-21taskset23:58:170
595799534cyclictest0-21swapper/021:14:450
595799534cyclictest0-21swapper/021:14:450
595799523cyclictest0-21swapper/023:49:590
595799523cyclictest0-21swapper/023:49:590
595799523cyclictest0-21swapper/020:05:030
595799523cyclictest0-21swapper/020:05:030
595799523cyclictest0-21swapper/001:01:180
595799523cyclictest0-21swapper/001:01:180
595799523cyclictest0-21swapper/000:00:170
595799523cyclictest0-21swapper/000:00:170
595799522cyclictest12457-21ntp_states00:50:090
595799522cyclictest12457-21ntp_states00:50:090
595799521cyclictest7468-21ssh23:39:500
595799513cyclictest0-21swapper/021:35:140
595799513cyclictest0-21swapper/021:35:140
595799513cyclictest0-21swapper/021:35:140
595799513cyclictest0-21swapper/021:25:090
595799513cyclictest0-21swapper/021:25:090
595799513cyclictest0-21swapper/021:15:050
595799513cyclictest0-21swapper/021:15:050
595799513cyclictest0-21swapper/001:05:120
595799513cyclictest0-21swapper/001:05:120
595799513cyclictest0-21swapper/001:05:120
595799513cyclictest0-21swapper/001:05:120
595799513cyclictest0-21swapper/000:56:230
595799513cyclictest0-21swapper/000:56:230
595799512cyclictest27004-21irqstats23:15:040
595799512cyclictest27004-21irqstats23:15:040
595799512cyclictest13634-21df_inode22:50:010
595799512cyclictest13634-21df_inode22:50:010
595799512cyclictest13634-21df_inode22:50:010
5957995120cyclictest0-21swapper/023:45:010
5957995120cyclictest0-21swapper/023:45:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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