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2025-11-16 - 13:19
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack7slot3.osadl.org (updated Sun Nov 16, 2025 00:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
245212166719sleep24525-21missed_timers19:02:150
252919926168cyclictest3499-21fschecks_time22:12:490
252919925869cyclictest24077-21df21:22:020
2529199257228cyclictest29482-1kworker/0:1H21:32:300
2529199257214cyclictest27138-21ssh23:56:450
252919925671cyclictest3123-21chrt22:11:440
2529199256231cyclictest13547-21sh22:57:010
252919925566cyclictest22198-21ssh21:13:150
2529199254227cyclictest31910-21ssh21:56:130
252919925366cyclictest7128-21ssh22:28:260
2529199253229cyclictest1375-21ssh00:26:060
2529199252219cyclictest32505-21ssh21:58:130
252919925150cyclictest20762-21df_inode21:07:400
2529199251224cyclictest9522-21chrt22:38:440
2529199251224cyclictest19432-21sort23:22:390
2529199251223cyclictest21659-21diskmemload23:32:310
2529199251221cyclictest27245-21ls19:13:500
2529199251220cyclictest2829-21sendmail-mta00:37:230
2529199251218cyclictest2720-21lxpanel19:22:380
2529199250226cyclictest5343-21runrttasks22:21:230
2529199250226cyclictest24418-21ssh23:43:500
2529199250219cyclictest30347-21runrttasks00:10:250
2529199249225cyclictest2872-21snmpd20:56:540
2529199249221cyclictest16186-21sort20:47:170
2529199249220cyclictest2342-21rm00:29:580
252919924869cyclictest19721-21munin-node0
252919924867cyclictest10381-21df_inode20:22:080
2529199247227cyclictest25287-21cyclictest19:46:170
2529199247223cyclictest27910-21ssh21:38:170
2529199247219cyclictest25397-21latency23:48:190
2529199247217cyclictest32189-21runrttasks19:36:500
2529199246222cyclictest16897-21cpu23:11:550
2529199246221cyclictest14945-21netwatch20:41:580
2529199246221cyclictest1241-21latency22:03:210
2529199246218cyclictest25867-21ssh21:29:110
2529199246215cyclictest8422-21rm22:34:010
2529199246214cyclictest29802-21df21:47:040
252919924585cyclictest10230-21sh22:42:280
252919924577cyclictest2720-21lxpanel23:02:010
252919924550cyclictest847-21latency_hist19:42:000
2529199245218cyclictest6827-21cpu20:06:560
2529199245213cyclictest27972-21ssh23:59:360
2529199244220cyclictest15910-21latency_hist23:07:240
2529199244218cyclictest3094-21runrttasks19:49:180
2529199244216cyclictest12503-21ls20:31:500
2529199244215cyclictest2720-21lxpanel23:18:090
2529199244215cyclictest25251-21sort21:27:070
2529199243219cyclictest25287-21cyclictest19:08:380
2529199243218cyclictest32064-21perl00:17:530
2529199243218cyclictest23389-21ssh23:39:400
2529199243215cyclictest5027-21ntp_states19:58:130
2529199243214cyclictest20831-21latency23:28:190
2529199243214cyclictest14977-21df_inode20:42:070
2529199243213cyclictest30100-21ssh21:47:530
2529199243213cyclictest12684-21entropy20:32:120
252919924288cyclictest29332-21chrt00:06:110
252919924286cyclictest17466-21ssh23:13:390
252919924256cyclictest12285-21/usr/sbin/munin22:52:010
252919924178cyclictest8140-21fschecks_count20:12:180
252919924072cyclictest31179-21ls00:13:370
2529199240216cyclictest7334-21ping20:08:110
2529199240212cyclictest6675-21ssh22:27:090
2529199239211cyclictest10193-21munin-run20:21:440
252919923751cyclictest3680-21munin-node0
2529199236212cyclictest18578-21perl20:57:320
2529199236209cyclictest28195-21chrt19:18:180
252919923377cyclictest30049-21df19:27:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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