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2026-05-31 - 12:21
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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 Sun May 31, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
91949966873637,3047cyclictest32707-21kworker/0:119:12:090
86132727185,177sleep00-21swapper19:05:490
91949949732,465cyclictest30009-21cstates21:26:300
91949949432,448cyclictest29218-21nfs_client23:50:490
91949949432,448cyclictest21945-21diskmemload21:16:250
91949949232,446cyclictest338750irq/10-eth000:03:450
91949949032,447cyclictest21945-21diskmemload22:05:530
91949948734,439cyclictest5303-21ssh21:45:130
91949948734,439cyclictest21945-21diskmemload21:10:580
91949948634,439cyclictest21945-21diskmemload21:43:190
91949948632,440cyclictest21945-21diskmemload22:41:460
91949948534,437cyclictest21945-21diskmemload23:24:270
91949948533,438cyclictest21945-21diskmemload21:37:270
91949948532,439cyclictest21945-21diskmemload23:37:090
91949948532,439cyclictest21945-21diskmemload21:59:070
91949948432,438cyclictest21945-21diskmemload00:09:480
91949947933,384cyclictest21945-21diskmemload22:16:050
91949947231,380cyclictest12542-21sed22:00:400
91949947021,378cyclictest27714-21awk22:35:240
91949946233,415cyclictest9162-21awk20:35:180
91949946233,359cyclictest3271-21ssh22:52:220
91949945834,363cyclictest4894-21runrttasks20:41:240
91949942755,187cyclictest12158-21ssh23:11:440
91949941742,188cyclictest16029-21kworker/u2:222:33:580
91949941533,368cyclictest31203-21df_abs23:55:390
91949941434,197cyclictest6029-21ssh22:59:270
91949941340,359cyclictest31186-21kworker/0:023:29:280
91949941236,361cyclictest11-21ksoftirqd/000:30:030
91949940735,358cyclictest14463-21ssh23:17:080
91949940653,339cyclictest13-21rcuc/023:41:230
91949940635,357cyclictest18029-21ssh22:12:430
91949940635,357cyclictest17536-21rm00:36:410
91949940414,367cyclictest32435-21df_inode20:10:230
91949940013,364cyclictest15988-21ssh00:35:010
91949939932,89cyclictest8310-21ssh23:04:380
91949939915,370cyclictest21945-21diskmemload22:21:340
91949939831,352cyclictest12892-21fschecks_count19:16:150
91949939816,88cyclictest8489-21cstates00:16:260
91949939734,178cyclictest5862-21strings00:10:530
91949939732,350cyclictest27248-21ls23:46:050
91949939729,318cyclictest345450irq/10-yenta23:07:170
91949939716,367cyclictest23806-21nfs_client22:25:480
91949939715,313cyclictest7921-21df_inode21:50:330
91949939334,359cyclictest0-21swapper00:22:530
91949939327,305cyclictest21945-21diskmemload21:20:540
91949939136,355cyclictest0-21swapper20:00:080
91949939035,341cyclictest21945-21diskmemload23:33:400
91949939018,88cyclictest12-21rcu_preempt19:33:330
91949938734,339cyclictest31766-21strings21:30:550
91949938733,340cyclictest3683-21munin-node20:20:220
91949938632,340cyclictest21945-21diskmemload22:47:240
91949938532,339cyclictest11-21ksoftirqd/020:30:310
91949938331,336cyclictest16486-21perl19:26:100
91949938231,338cyclictest345450irq/10-yenta19:41:080
91949938032,287cyclictest4192-21lldpd19:21:160
91949937831,286cyclictest259892sleep019:51:410
91949937831,286cyclictest139472chrt20:45:590
91949937732,345cyclictest0-21swapper21:06:210
91949937423,289cyclictest23929-21expr19:45:580
91949936932,277cyclictest32707-21kworker/0:120:15:580
91949936616,107cyclictest19103-21expr21:00:350
91949935331,89cyclictest27288-21munin-node19:55:410
91949935019,270cyclictest30681-21df20:05:270
91949934921,269cyclictest6113-21strings20:25:410
91949933871,254cyclictest12-21rcu_preempt19:35:470
91949933116,302cyclictest345450irq/10-yenta20:51:410
91949932526,299cyclictest0-21swapper20:57:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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