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2026-06-30 - 00:04
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of all highest latencies:
System rack6slot5.osadl.org (updated Mon Jun 29, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
237609955213128,2390cyclictest2479-21kworker/0:207:12:080
233812808185,204sleep00-21swapper07:07:300
237609948432,438cyclictest14721-21ssh10:38:490
237609948034,432cyclictest13424-21ssh11:44:500
237609947832,433cyclictest12-21rcu_preempt09:06:020
237609946833,374cyclictest32676-21ssh12:25:220
237609946331,372cyclictest5581-21sshd11:26:410
23760994589,253cyclictest28004-21latency_hist07:20:030
237609945034,357cyclictest4630-21diskmemload12:39:590
237609941323,374cyclictest9069-21df11:35:240
237609940933,362cyclictest16712-21sh10:42:090
237609940927,371cyclictest8285-21ssh11:33:080
237609940736,371cyclictest0-21swapper12:18:170
237609940735,358cyclictest16461-21ssh09:34:520
237609940733,360cyclictest31176-21grep10:05:290
237609940635,371cyclictest0-21swapper10:02:530
237609940634,372cyclictest0-21swapper10:28:540
237609940531,360cyclictest16315-21ssh11:50:300
237609940525,367cyclictest1186-21ssh10:10:330
237609940431,360cyclictest11068-21munin-node08:00:570
237609940431,359cyclictest4630-21diskmemload09:48:410
237609940426,364cyclictest23123-21cat08:30:440
237609940331,372cyclictest0-21swapper10:49:220
237609940126,361cyclictest3974-21rm12:31:440
237609940126,361cyclictest25044-21ssh11:00:300
237609940123,364cyclictest11384-21ssh09:23:290
237609940035,360cyclictest15373-21ssh11:48:030
237609940031,356cyclictest21816-21ssh10:53:460
237609940021,365cyclictest12753-21kworker/u2:112:02:250
237609939932,351cyclictest18013-21cron08:17:010
237609939834,179cyclictest7371-21cut07:50:110
237609939732,351cyclictest23532sleep011:20:450
237609939720,90cyclictest23259-21latency10:56:060
237609939632,350cyclictest4630-21diskmemload10:19:020
237609939632,350cyclictest18337-21munin-node11:56:250
237609939632,349cyclictest6850-21chrt07:46:450
237609939632,349cyclictest18845-21ssh09:39:550
237609939535,87cyclictest13067-21ssh09:26:160
237609939534,188cyclictest23410-21kworker/u2:012:24:580
237609939532,363cyclictest0-21swapper09:54:550
237609939532,350cyclictest10724-21chrt07:58:150
237609939431,349cyclictest4224-21lldpd11:08:320
237609939324,310cyclictest19231-21ssh09:40:230
237609939218,361cyclictest4630-21diskmemload12:07:380
237609939035,355cyclictest0-21swapper11:11:460
237609938853,274cyclictest30044-21df07:25:160
237609938729,232cyclictest351950irq/10-yenta11:15:210
237609938632,340cyclictest9097-21ssh09:18:540
237609938531,341cyclictest28274-21ssh09:59:380
237609938446,277cyclictest1020-21sed09:00:160
237609938338,285cyclictest34-1kworker/0:1H07:25:010
237609938231,337cyclictest20137-21chrt08:24:120
237609938132,289cyclictest15904-21ps08:10:580
237609938049,272cyclictest7259-21ssh10:22:160
237609938032,288cyclictest28635-21cpuspeed08:45:430
237609937931,287cyclictest32633-21ps08:55:590
237609937748,269cyclictest24070-21munin-node08:35:370
237609937731,346cyclictest0-21swapper09:14:160
237609937647,270cyclictest373-21tune2fs07:30:550
237609937348,266cyclictest23749-21cyclictest07:40:280
237609937240,271cyclictest2948-21runrttasks07:39:160
237609937045,88cyclictest4924-21runrttasks12:10:550
237609935927,271cyclictest4924-21runrttasks08:05:210
237609935432,88cyclictest27445-21runrttasks08:43:040
237609934849,299cyclictest0-21swapper10:34:060
237609932950,266cyclictest4305-21snmpd08:54:550
237609932551,260cyclictest20356-21munin-node08:25:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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