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2026-08-10 - 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 the highest latencies:
System rack6slot5.osadl.org (updated Sun Aug 09, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31099114185987,5421cyclictest9616-21kworker/0:208:38:150
3109997365147,4585cyclictest9616-21kworker/0:208:46:220
3109997245141,4579cyclictest9616-21kworker/0:208:54:550
3109996245091,4529cyclictest9616-21kworker/0:209:04:130
3109995465180,4363cyclictest3055-21kworker/0:107:12:540
3109987974593,4200cyclictest9616-21kworker/0:207:33:310
3109985544242,4270cyclictest9616-21kworker/0:208:44:470
3109985504216,4283cyclictest9616-21kworker/0:208:27:450
3109982464158,4037cyclictest9616-21kworker/0:208:11:580
3109981984395,3799cyclictest3055-21kworker/0:107:23:500
3109977413916,3775cyclictest9616-21kworker/0:209:15:230
3109976193982,3624cyclictest18762-21kworker/0:109:29:490
3109972213555,3616cyclictest9616-21kworker/0:207:49:540
3109971383922,3165cyclictest9616-21kworker/0:208:19:370
3109968893737,3141cyclictest3055-21kworker/0:107:28:240
3109968443755,3014cyclictest29876-21kworker/0:009:43:320
3109967013546,3145cyclictest9616-21kworker/0:207:58:500
3109966783585,3079cyclictest9616-21kworker/0:208:04:180
3109965253558,2963cyclictest9616-21kworker/0:207:51:300
3109964073452,2904cyclictest3055-21kworker/0:107:17:540
3109963923443,2899cyclictest9616-21kworker/0:209:12:330
3109963853480,2892cyclictest9616-21kworker/0:207:37:450
3109962503371,2837cyclictest9616-21kworker/0:207:43:390
3109960823336,2743cyclictest9616-21kworker/0:208:05:540
3109960423317,2721cyclictest9616-21kworker/0:208:21:120
3109938302286,1531cyclictest29876-21kworker/0:009:46:190
315612809186,205sleep00-21swapper07:05:160
3109948936,439cyclictest13788-21diskmemload09:32:400
3109948733,440cyclictest13788-21diskmemload11:58:410
3109948733,440cyclictest13032-21ssh11:29:000
3109948634,439cyclictest8687-21strings12:30:570
3109948634,439cyclictest7468-21ssh10:04:170
3109948633,439cyclictest8390-21ssh11:18:090
3109948633,439cyclictest13788-21diskmemload10:07:390
3109948633,439cyclictest11643-21ssh12:37:240
3109948632,440cyclictest29904-21ssh10:54:490
3109948632,440cyclictest14557-21ntp_states10:20:210
3109948632,440cyclictest13788-21diskmemload12:04:200
3109948632,440cyclictest13788-21diskmemload09:22:450
3109948534,438cyclictest18098-21ssh10:26:450
3109948534,438cyclictest14868-21ssh11:32:040
3109948532,439cyclictest27658-21runrttasks10:49:480
3109948439,431cyclictest27714-21ssh09:37:490
3109947732,431cyclictest9752-21strings11:20:570
3109947532,443cyclictest0-21swapper11:11:410
3109947134,423cyclictest13878-21date09:10:060
3109946735,372cyclictest23381-21munin-node10:40:150
3109946532,419cyclictest22211-21latency_hist11:50:030
3109942853,314cyclictest13788-21diskmemload12:15:150
3109942734,88cyclictest13788-21diskmemload10:12:390
3109942429,333cyclictest4317-21ssh09:56:110
3109942052,309cyclictest19648-21expr10:30:490
3109941854,304cyclictest22738-21sed11:50:360
3109941653,349cyclictest13788-21diskmemload11:39:470
3109941648,354cyclictest2506-21ssh09:52:310
3109941454,346cyclictest13788-21diskmemload11:43:100
3109941442,359cyclictest4951-21ssh12:22:260
3109941134,363cyclictest13788-21diskmemload12:06:040
3109940937,358cyclictest0-21swapper11:02:210
3109940854,340cyclictest13788-21diskmemload10:16:400
3109940654,293cyclictest13788-21diskmemload12:28:300
3109940654,291cyclictest13788-21diskmemload10:35:320
3109940351,293cyclictest13788-21diskmemload10:59:240
3109940231,358cyclictest10068-21sort09:00:020
3109940054,164cyclictest2149-21ssh11:05:150
3109940037,349cyclictest646-21ssh12:13:530
3109937834,274cyclictest31268-21munin-node08:30:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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