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2026-06-07 - 19:08
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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 Sun Jun 07, 2026 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
340299559cyclictest4922-21sh09:13:440
340299559cyclictest4922-21sh09:13:440
340299552cyclictest28508-21munin-run11:03:170
340299552cyclictest28508-21munin-run11:03:170
340299552cyclictest28508-21munin-run11:03:170
71530rcu_preempt0-21swapper/311:36:033
71530rcu_preempt0-21swapper/311:36:033
71530rcu_preempt0-21swapper/311:36:033
71530rcu_preempt0-21swapper/311:36:033
340299531cyclictest27962-21apt-get12:03:280
340299531cyclictest27962-21apt-get12:03:280
340299531cyclictest27962-21apt-get12:03:280
340299528cyclictest23548-21ssh09:49:240
340299528cyclictest23548-21ssh09:49:240
340299528cyclictest23548-21ssh09:49:240
340299528cyclictest23548-21ssh09:49:240
340299523cyclictest15289-21ntp_states09:33:410
340299523cyclictest15289-21ntp_states09:33:410
340299523cyclictest15289-21ntp_states09:33:410
340299522cyclictest19111-21ntp_states10:43:440
340299522cyclictest19111-21ntp_states10:43:440
3402995219cyclictest9859-21ssh09:23:300
3402995219cyclictest9859-21ssh09:23:300
3402995219cyclictest9859-21ssh09:23:300
71510rcu_preempt0-21swapper/209:13:232
71510rcu_preempt0-21swapper/209:13:232
71510rcu_preempt0-21swapper/209:13:232
340299513cyclictest2129-21ntp_states09:03:410
340299513cyclictest2129-21ntp_states09:03:410
340299513cyclictest0-21swapper/012:30:400
340299513cyclictest0-21swapper/012:30:400
340299513cyclictest0-21swapper/012:30:400
340299513cyclictest0-21swapper/011:03:340
340299513cyclictest0-21swapper/011:03:340
340299513cyclictest0-21swapper/011:03:340
340299513cyclictest0-21swapper/010:17:340
340299513cyclictest0-21swapper/010:17:340
340299513cyclictest0-21swapper/010:17:340
340299513cyclictest0-21swapper/007:48:160
340299513cyclictest0-21swapper/007:48:160
340299513cyclictest0-21swapper/007:48:160
340299512cyclictest9050-21ssh11:26:440
340299512cyclictest9050-21ssh11:26:440
340299512cyclictest9050-21ssh11:26:440
340299512cyclictest9050-21ssh11:26:440
340299512cyclictest5991-21diskstats12:23:320
340299512cyclictest5991-21diskstats12:23:320
340299512cyclictest5991-21diskstats12:23:320
340299512cyclictest3639-21memory12:18:390
340299512cyclictest3639-21memory12:18:390
340299512cyclictest3639-21memory12:18:390
340299505cyclictest0-21swapper/008:34:080
340299505cyclictest0-21swapper/008:34:080
340299503cyclictest0-21swapper/011:58:300
340299503cyclictest0-21swapper/011:58:300
340299503cyclictest0-21swapper/011:42:020
340299503cyclictest0-21swapper/011:42:020
340299503cyclictest0-21swapper/011:42:020
340299503cyclictest0-21swapper/010:23:500
340299503cyclictest0-21swapper/010:23:500
340299503cyclictest0-21swapper/010:23:500
340299503cyclictest0-21swapper/010:03:170
340299503cyclictest0-21swapper/010:03:170
340299503cyclictest0-21swapper/010:03:170
340299503cyclictest0-21swapper/009:38:420
340299503cyclictest0-21swapper/009:38:420
340299503cyclictest0-21swapper/007:13:390
340299503cyclictest0-21swapper/007:13:390
340299502cyclictest7590-21ntp_states09:18:430
340299502cyclictest7590-21ntp_states09:18:430
340299502cyclictest31677-21meminfo11:08:390
340299502cyclictest31677-21meminfo11:08:390
340299502cyclictest31677-21meminfo11:08:390
340299502cyclictest29836-21/usr/sbin/munin08:48:440
340299502cyclictest29836-21/usr/sbin/munin08:48:440
340299502cyclictest20297-21ssh09:43:380
340299502cyclictest20297-21ssh09:43:380
340299502cyclictest20297-21ssh09:43:380
340299502cyclictest14947-21memory07:53:380
340299502cyclictest14947-21memory07:53:380
340299502cyclictest14947-21memory07:53:380
340299502cyclictest14039-21/usr/sbin/munin12:38:390
340299502cyclictest14039-21/usr/sbin/munin12:38:390
340299502cyclictest14039-21/usr/sbin/munin12:38:390
340299502cyclictest12529-21diskstats11:33:330
340299502cyclictest12529-21diskstats11:33:330
340299502cyclictest12529-21diskstats11:33:330
340299502cyclictest12529-21diskstats11:33:330
340299501cyclictest9734-21apt-get11:28:270
340299501cyclictest9734-21apt-get11:28:270
340299501cyclictest9734-21apt-get11:28:270
3402995013cyclictest6808-21latency_hist11:23:190
3402995013cyclictest6808-21latency_hist11:23:190
3402995013cyclictest6808-21latency_hist11:23:190
340299494cyclictest0-21swapper/010:18:430
340299494cyclictest0-21swapper/010:18:430
340299494cyclictest0-21swapper/010:18:430
340299493cyclictest0-21swapper/011:53:560
340299493cyclictest0-21swapper/011:53:560
340299493cyclictest0-21swapper/011:46:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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