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2026-04-18 - 19:21
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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 Sat Apr 18, 2026 12:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71610rcu_preempt0-21swapper/011:03:480
71610rcu_preempt0-21swapper/011:03:480
71610rcu_preempt0-21swapper/011:03:480
71610rcu_preempt0-21swapper/009:14:400
71610rcu_preempt0-21swapper/009:14:400
71610rcu_preempt0-21swapper/009:14:400
2895099573cyclictest0-21swapper/011:26:560
2895099573cyclictest0-21swapper/011:26:560
2895099573cyclictest0-21swapper/011:26:560
2895099573cyclictest0-21swapper/009:42:290
2895099563cyclictest0-21swapper/012:11:160
2895099563cyclictest0-21swapper/012:11:160
2895099563cyclictest0-21swapper/012:11:160
2895099563cyclictest0-21swapper/012:11:160
46050530irq/122-QManpo28844-2110:48:550
46050530irq/122-QManpo28844-2110:48:550
2895099539cyclictest29922-21ssh10:10:150
2895099539cyclictest29922-21ssh10:10:150
71520rcu_preempt0-21swapper/011:52:400
71520rcu_preempt0-21swapper/011:52:400
2895099522cyclictest51352sleep009:25:050
2895099522cyclictest51352sleep009:25:050
2895099522cyclictest51352sleep009:25:050
2895099521cyclictest5738-21/usr/sbin/munin12:22:460
2895099521cyclictest5738-21/usr/sbin/munin12:22:460
2895099521cyclictest1735-21meminfo10:17:440
2895099521cyclictest1735-21meminfo10:17:440
28950995218cyclictest27339-21diskstats12:02:390
28950995218cyclictest27339-21diskstats12:02:390
2895099513cyclictest8992-21df_inode09:32:380
2895099513cyclictest8992-21df_inode09:32:380
2895099513cyclictest0-21swapper/010:42:470
2895099513cyclictest0-21swapper/010:42:470
2895099513cyclictest0-21swapper/010:42:470
2895099513cyclictest0-21swapper/009:42:350
2895099513cyclictest0-21swapper/009:42:350
2895099513cyclictest0-21swapper/009:42:350
2895099512cyclictest21440-21tr08:42:220
2895099512cyclictest21440-21tr08:42:220
2895099511cyclictest6956-21ssh10:27:360
2895099511cyclictest6956-21ssh10:27:360
2895099511cyclictest6956-21ssh10:27:360
2895099506cyclictest0-21swapper/011:28:520
2895099506cyclictest0-21swapper/011:28:520
2895099504cyclictest6354-21ssh10:26:250
2895099504cyclictest6354-21ssh10:26:250
2895099504cyclictest0-21swapper/009:38:120
2895099503cyclictest12043-21df08:07:390
2895099503cyclictest12043-21df08:07:390
2895099502cyclictest3254-21munin-run09:22:240
2895099502cyclictest3254-21munin-run09:22:240
2895099502cyclictest20030-21df_inode09:52:410
2895099502cyclictest20030-21df_inode09:52:410
2895099502cyclictest15902-21sendmail-msp08:27:370
2895099502cyclictest15902-21sendmail-msp08:27:370
2895099501cyclictest31761-21/usr/sbin/munin07:22:400
2895099501cyclictest31761-21/usr/sbin/munin07:22:400
2895099501cyclictest31761-21/usr/sbin/munin07:22:400
71490rcu_preempt0-21swapper/012:40:050
71490rcu_preempt0-21swapper/012:40:050
2895099494cyclictest0-21swapper/010:57:240
2895099494cyclictest0-21swapper/010:57:240
2895099494cyclictest0-21swapper/008:02:410
2895099494cyclictest0-21swapper/008:02:410
2895099494cyclictest0-21swapper/008:02:410
2895099493cyclictest23427-21apt-get10:57:350
2895099493cyclictest23427-21apt-get10:57:350
2895099493cyclictest0-21swapper/012:31:290
2895099493cyclictest0-21swapper/012:31:290
2895099493cyclictest0-21swapper/011:32:450
2895099493cyclictest0-21swapper/011:32:450
2895099493cyclictest0-21swapper/010:02:490
2895099493cyclictest0-21swapper/010:02:490
2895099493cyclictest0-21swapper/010:02:490
2895099493cyclictest0-21swapper/009:07:490
2895099493cyclictest0-21swapper/009:07:490
2895099492cyclictest31770-21egrep11:12:390
2895099492cyclictest31770-21egrep11:12:390
2895099492cyclictest29145-21df11:07:370
2895099492cyclictest29145-21df11:07:370
2895099491cyclictest210692sleep011:52:080
2895099491cyclictest210692sleep011:52:080
28950994915cyclictest27158-21apt-get09:02:360
28950994915cyclictest27158-21apt-get09:02:360
2895099484cyclictest0-21swapper/011:59:470
2895099484cyclictest0-21swapper/011:59:470
2895099484cyclictest0-21swapper/008:12:460
2895099484cyclictest0-21swapper/008:12:460
2895099484cyclictest0-21swapper/008:12:460
2895099483cyclictest31395-21ntp_states10:12:490
2895099483cyclictest31395-21ntp_states10:12:490
2895099483cyclictest0-21swapper/011:42:350
2895099483cyclictest0-21swapper/011:42:350
2895099483cyclictest0-21swapper/011:42:350
2895099483cyclictest0-21swapper/011:20:510
2895099483cyclictest0-21swapper/011:20:510
2895099483cyclictest0-21swapper/011:20:510
2895099483cyclictest0-21swapper/009:47:450
2895099483cyclictest0-21swapper/009:47:450
2895099483cyclictest0-21swapper/009:47:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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