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2026-07-31 - 09:26
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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 the highest latencies:
System rack6slot5.osadl.org (updated Fri Jul 31, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18439995385078,4457cyclictest7468-21kworker/0:219:12:100
18439938042189,1601cyclictest7468-21kworker/0:219:18:170
15412751185,204sleep00-21swapper19:08:080
18439949534,447cyclictest28859-21ssh00:07:380
18439949431,449cyclictest12656-21ssh22:17:080
18439948934,440cyclictest14701-21diskmemload00:02:470
18439948834,441cyclictest27720-21ssh21:39:040
18439948834,440cyclictest14701-21diskmemload23:46:240
18439948834,440cyclictest14701-21diskmemload21:28:210
18439948832,442cyclictest3931-21ssh21:57:470
18439948734,439cyclictest14701-21diskmemload22:39:420
18439948734,439cyclictest14701-21diskmemload22:34:530
18439948733,440cyclictest14701-21diskmemload23:11:390
18439948634,439cyclictest9117-21ssh23:22:590
18439948634,439cyclictest16879-21ssh22:26:330
18439948634,439cyclictest14701-21diskmemload22:53:160
18439948634,439cyclictest14701-21diskmemload21:54:040
18439948633,440cyclictest26224-21ssh22:48:560
18439948633,439cyclictest2935-21ssh00:22:140
18439948632,440cyclictest4924-21runrttasks00:11:490
18439948533,439cyclictest25432-21ssh21:33:370
18439948532,440cyclictest8818-21runrttasks20:52:230
18439948532,439cyclictest29244-21df_inode22:55:370
18439948532,439cyclictest14701-21diskmemload23:02:540
18439948531,440cyclictest31849-21seq20:27:200
18439948531,440cyclictest14701-21diskmemload21:18:150
18439948432,439cyclictest6528-21ssh22:04:300
18439948432,439cyclictest31868-21ssh21:47:430
18439948432,439cyclictest14701-21diskmemload23:40:260
18439948431,439cyclictest21230-21ssh23:50:400
18439948431,439cyclictest14701-21diskmemload21:41:480
18439948431,439cyclictest14701-21diskmemload21:22:520
18439948331,438cyclictest24767-21ssh23:59:080
18439947126,89cyclictest23086-21munin-node20:05:150
18439947035,365cyclictest21255-21ntpq20:00:170
18439947034,436cyclictest0-21swapper20:35:110
18439946531,419cyclictest15368-21ssh22:24:370
18439945731,366cyclictest6997-21ssh23:18:300
18439942353,357cyclictest6212-21kworker/u2:222:06:120
18439941638,365cyclictest0-21swapper19:41:030
18439941054,342cyclictest14701-21diskmemload21:10:370
18439941022,366cyclictest7756-21ssh00:33:410
18439940833,375cyclictest0-21swapper20:47:550
18439940833,375cyclictest0-21swapper20:12:150
18439940735,252cyclictest22189-21munin-node22:41:050
18439940734,360cyclictest2565-21ssh23:08:510
18439940651,341cyclictest14701-21diskmemload22:10:170
18439940532,359cyclictest5382-21ssh00:27:510
18439940342,87cyclictest0-21swapper19:25:370
18439940250,338cyclictest14701-21diskmemload00:15:120
18439940233,356cyclictest13668-21ssh23:33:470
18439940142,301cyclictest0-21swapper19:24:590
18439940135,352cyclictest4899-21fschecks_count20:41:010
18439939931,355cyclictest11-21ksoftirqd/023:39:390
18439939832,352cyclictest9752-21ssh00:37:380
18439939753,284cyclictest11521-21ssh23:29:000
18439939653,284cyclictest28093-21apt-get20:17:080
18439939631,350cyclictest29323-21grep20:20:370
18439938834,341cyclictest16520-21sed19:45:470
18439938833,341cyclictest591-21strings20:30:410
18439938733,340cyclictest18216-21strings19:50:390
18439938733,340cyclictest13736-21strings21:05:390
18439938732,341cyclictest106572sleep020:57:160
18439938634,339cyclictest12650-21strings19:35:410
18439938634,339cyclictest11892-21strings21:00:420
18439938434,112cyclictest20457-21expr19:56:010
18439934733,255cyclictest10168-21sed19:30:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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