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2025-11-27 - 02:19
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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 Thu Nov 27, 2025 00:53:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71680rcu_preempt0-21swapper/122:51:171
71680rcu_preempt0-21swapper/122:51:171
71650rcu_preempt0-21swapper/100:57:091
71650rcu_preempt0-21swapper/100:57:091
71650rcu_preempt0-21swapper/100:57:091
71570rcu_preempt0-21swapper/200:47:552
71570rcu_preempt0-21swapper/200:47:552
71520rcu_preempt0-21swapper/122:04:591
71520rcu_preempt0-21swapper/122:04:591
71520rcu_preempt0-21swapper/122:04:591
1823199472cyclictest19333-21/usr/sbin/munin21:42:533
1823199472cyclictest19333-21/usr/sbin/munin21:42:533
71460rcu_preempt0-21swapper/100:46:331
71460rcu_preempt0-21swapper/100:46:331
71460rcu_preempt0-21swapper/100:46:331
71460rcu_preempt0-21swapper/100:46:331
1823199462cyclictest8626-21runrttasks00:58:013
1823199462cyclictest8626-21runrttasks00:58:013
71440rcu_preempt0-21swapper/320:33:073
71440rcu_preempt0-21swapper/320:33:073
71440rcu_preempt0-21swapper/320:33:073
1823199444cyclictest0-21swapper/323:08:023
1823199444cyclictest0-21swapper/323:08:023
1823199444cyclictest0-21swapper/300:47:413
1823199444cyclictest0-21swapper/300:47:413
1823199444cyclictest0-21swapper/300:47:413
1823199444cyclictest0-21swapper/300:47:413
1823199434cyclictest0-21swapper/322:18:023
1823199434cyclictest0-21swapper/322:18:023
1823199433cyclictest18167-21diskstats23:37:563
1823199433cyclictest18167-21diskstats23:37:563
1823199432cyclictest23010-21df_inode22:47:563
1823199432cyclictest23010-21df_inode22:47:563
1823199423cyclictest0-21swapper/323:27:533
1823199423cyclictest0-21swapper/323:27:533
1823199422cyclictest31710-21/usr/sbin/munin00:02:543
1823199422cyclictest31710-21/usr/sbin/munin00:02:543
1823199422cyclictest31710-21/usr/sbin/munin00:02:543
1823199422cyclictest17574-21irqstats22:38:033
1823199422cyclictest17574-21irqstats22:38:033
1823199422cyclictest17574-21irqstats22:38:033
1823199421cyclictest18436-21/usr/sbin/munin00:37:583
1823199421cyclictest18436-21/usr/sbin/munin00:37:583
1823199421cyclictest18436-21/usr/sbin/munin00:37:583
71410rcu_preempt4729-21copy00:12:450
71410rcu_preempt4729-21copy00:12:450
71410rcu_preempt0-21swapper/223:27:192
71410rcu_preempt0-21swapper/223:27:192
71410rcu_preempt0-21swapper/222:37:522
71410rcu_preempt0-21swapper/222:37:522
71410rcu_preempt0-21swapper/222:37:522
71410rcu_preempt0-21swapper/023:22:170
71410rcu_preempt0-21swapper/023:22:170
1823199414cyclictest31621-1kworker/3:2H22:28:063
1823199414cyclictest31621-1kworker/3:2H22:28:063
1823199414cyclictest0-21swapper/323:33:073
1823199414cyclictest0-21swapper/323:33:073
1823199413cyclictest20166-21df22:42:543
1823199413cyclictest20166-21df22:42:543
1823199413cyclictest20166-21df22:42:543
1823199413cyclictest0-21swapper/322:12:543
1823199413cyclictest0-21swapper/322:12:543
1823199413cyclictest0-21swapper/321:37:553
1823199413cyclictest0-21swapper/321:37:553
1823199413cyclictest0-21swapper/321:37:553
1823199413cyclictest0-21swapper/320:12:503
1823199413cyclictest0-21swapper/320:12:503
1823199413cyclictest0-21swapper/301:12:163
1823199413cyclictest0-21swapper/301:12:163
1823199413cyclictest0-21swapper/301:12:163
1823199412cyclictest4691-21apt-get00:13:063
1823199412cyclictest4691-21apt-get00:13:063
1823199412cyclictest4691-21apt-get00:13:063
1823199412cyclictest4361-21/usr/sbin/munin20:47:563
1823199412cyclictest4361-21/usr/sbin/munin20:47:563
1823199412cyclictest27673-21tr21:57:523
1823199412cyclictest27673-21tr21:57:523
1823199412cyclictest27673-21tr21:57:523
1823199412cyclictest27673-21tr21:57:523
1823199412cyclictest25448-21munin-run20:07:393
1823199412cyclictest25448-21munin-run20:07:393
1823199412cyclictest23423-21/usr/sbin/munin23:47:543
1823199412cyclictest23423-21/usr/sbin/munin23:47:543
1823199412cyclictest22575-21memory21:48:023
1823199412cyclictest22575-21memory21:48:023
1823199412cyclictest22575-21memory21:48:023
1823199412cyclictest2093-21/usr/sbin/munin00:07:513
1823199412cyclictest2093-21/usr/sbin/munin00:07:513
1823199411cyclictest9803-21df_abs21:12:553
1823199411cyclictest9803-21df_abs21:12:553
1823199411cyclictest26204-21/usr/sbin/munin23:52:553
1823199411cyclictest26204-21/usr/sbin/munin23:52:553
18228994127cyclictest8957-21apt-get22:22:500
18228994127cyclictest8957-21apt-get22:22:500
18228994127cyclictest8957-21apt-get22:22:500
18228994114cyclictest2520-21ssh22:10:290
18228994114cyclictest2520-21ssh22:10:290
71400rcu_preempt0-21swapper/023:10:190
71400rcu_preempt0-21swapper/023:10:190
1823199404cyclictest0-21swapper/300:32:513
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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