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2026-06-03 - 16:56
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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 Wed Jun 03, 2026 12:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
226219973353674,3609cyclictest29331-21kworker/0:107:22:360
226219963163513,2800cyclictest29331-21kworker/0:107:12:230
226219957983140,2653cyclictest29331-21kworker/0:107:15:360
224512746185,203sleep00-21swapper07:09:140
22621995305,511cyclictest12560-21strings10:45:570
226219949959,204cyclictest28268-21ssh10:07:220
226219949137,440cyclictest4894-21runrttasks07:38:160
226219949137,439cyclictest4679-21ssh11:42:000
226219949035,441cyclictest4894-21runrttasks09:58:100
226219948834,440cyclictest2489-21ssh11:37:360
226219948834,439cyclictest4894-21runrttasks08:38:170
226219948656,361cyclictest3083-21diskmemload11:46:380
226219947837,426cyclictest345450irq/10-yenta09:49:120
226219946638,366cyclictest25005-21df08:40:310
226219946286,201cyclictest20554-21munin-node12:20:450
226219946087,359cyclictest0-21swapper09:08:420
226219945626,360cyclictest4894-21runrttasks08:16:210
226219945378,360cyclictest4272-21snmpd12:09:220
226219945359,211cyclictest11-21ksoftirqd/008:25:140
226219944966,209cyclictest11-21ksoftirqd/009:15:250
226219944956,379cyclictest0-21swapper09:31:590
226219944615,361cyclictest3083-21diskmemload10:29:450
226219944467,362cyclictest22065-21ssh11:08:080
226219944311,371cyclictest25906-21ssh12:31:140
226219944257,209cyclictest0-21swapper07:51:300
226219944068,358cyclictest0-21swapper08:52:390
226219944056,200cyclictest9570-21munin-node10:40:270
226219943958,368cyclictest0-21swapper10:53:220
226219943955,199cyclictest3083-21diskmemload09:28:010
226219943765,358cyclictest0-21swapper12:37:230
226219943761,190cyclictest19046-21ssh12:15:460
22621994344,368cyclictest3083-21diskmemload10:10:270
22621994337,188cyclictest17559-21ssh09:42:560
226219943159,358cyclictest7231-21ssh10:34:550
226219942756,357cyclictest0-21swapper12:00:460
226219942755,303cyclictest24698-21ssh12:29:430
226219942662,178cyclictest4940-21ssh09:14:550
226219942554,357cyclictest0-21swapper11:13:330
226219942443,366cyclictest24760-21runrttasks11:15:130
226219942360,187cyclictest3083-21diskmemload11:20:330
226219942337,386cyclictest0-21swapper08:58:570
226219942259,350cyclictest9278-21ssh11:53:200
226219941958,347cyclictest32741-21ssh10:18:180
226219941753,350cyclictest0-21swapper11:03:430
226219941653,303cyclictest0-21swapper07:33:400
226219941637,184cyclictest0-21swapper07:49:190
226219941534,381cyclictest436-21ssh11:33:130
226219941349,88cyclictest4272-21snmpd08:20:080
226219941232,380cyclictest14020-21kworker/u2:210:57:270
226219941149,302cyclictest11270-21ssh11:57:270
226219941049,87cyclictest29861-21ssh11:25:560
226219941036,360cyclictest20897-21kworker/0:109:54:300
226219940435,369cyclictest0-21swapper08:11:290
226219940114,372cyclictest3083-21diskmemload09:35:360
226219939931,368cyclictest0-21swapper08:33:570
226219939833,351cyclictest9136-21ssh10:38:330
226219939732,365cyclictest3083-21diskmemload12:14:340
226219939432,348cyclictest9187-21sshd07:56:400
226219939331,362cyclictest1635-21ssh10:21:050
226219939233,359cyclictest0-21swapper07:41:220
226219939037,338cyclictest338750irq/10-eth008:05:160
226219938633,353cyclictest9012-21ssh09:23:390
226219938231,336cyclictest25199-21rm10:00:440
226219938220,362cyclictest0-21swapper08:02:210
226219937822,356cyclictest0-21swapper09:00:150
226219937536,279cyclictest4894-21runrttasks07:25:520
226219936735,271cyclictest27295-21awk08:45:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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