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2026-05-19 - 09:52
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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
Characteristics of the highest latencies:
System rack6slot6 (updated Tue May 19, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
872399209889105344,104542cyclictest21465-21ssh22:35:510
87239910758053455,54003cyclictest18559-21ssh23:19:540
87239910749753425,53974cyclictest2065-21crond20:16:010
87239910733353459,53778cyclictest26027-21diskmemload22:41:530
87239910699653472,53458cyclictest134850irq/9-eth021:55:400
87239910689453461,53343cyclictest30533-21kworker/0:200:12:490
87239910670753454,53162cyclictest0-21swapper20:52:210
87239910668053440,53150cyclictest15914-21kworker/0:300:05:470
87239910666453447,53153cyclictest8716-21cyclictest20:25:340
87239910662453432,53192cyclictest0-21swapper20:47:400
87239910657353387,53119cyclictest0-21swapper21:29:220
87239910655253445,53107cyclictest0-21swapper22:23:080
87239910651353426,53087cyclictest0-21swapper21:03:040
87239910650553473,53032cyclictest0-21swapper23:29:170
87239910645753447,53010cyclictest0-21swapper20:44:590
87239910645753406,53051cyclictest0-21swapper23:09:210
87239910645353474,52979cyclictest0-21swapper00:28:140
87239910644753401,53046cyclictest0-21swapper21:51:280
87239910644253439,53003cyclictest0-21swapper23:41:000
87239910644153446,52995cyclictest0-21swapper19:44:120
87239910643353444,52989cyclictest0-21swapper20:03:570
87239910640753424,52983cyclictest0-21swapper21:32:430
87239910631753476,52841cyclictest0-21swapper21:09:260
87239910630453437,52867cyclictest0-21swapper19:29:480
87239910627653383,52827cyclictest0-21swapper19:24:260
87239910624053441,52799cyclictest0-21swapper19:32:480
87239910619153463,52728cyclictest0-21swapper19:38:500
87239910618553476,52709cyclictest0-21swapper21:24:110
87239910617153453,52718cyclictest0-21swapper19:47:430
87239910616953408,52761cyclictest0-21swapper19:17:340
87239910615853442,52716cyclictest0-21swapper20:12:200
87239910613553133,52997cyclictest4328-21ssh22:10:540
87239910612853427,52701cyclictest0-21swapper23:03:490
87239910611853045,53070cyclictest12565-21ssh23:57:150
87239910602553011,53011cyclictest15630-21ssh00:01:260
87239910601252921,53089cyclictest0-21swapper23:46:010
87239910534852977,52369cyclictest3305-21ssh00:30:240
87239910511053009,52099cyclictest0-21swapper22:25:580
87239910508152980,52099cyclictest0-21swapper23:20:240
87239910504752934,52111cyclictest0-21swapper00:24:120
8723995357527,53455cyclictest7296-21kworker/0:320:55:220
8723995356024,53442cyclictest0-21swapper23:34:580
8723995340826,53382cyclictest0-21swapper23:36:290
8723995306024,53036cyclictest0-21swapper00:17:200
8723995304725,53022cyclictest0-21swapper22:47:450
8723995302224,52998cyclictest0-21swapper23:11:520
8723995288529,52789cyclictest0-21swapper20:38:580
8723995275724,52733cyclictest0-21swapper21:49:380
87239925741099,1351cyclictest31294-21ssh22:04:120
87239925651089,1375cyclictest26027-21diskmemload21:11:170
87239924871085,1304cyclictest11397-21ssh21:35:140
87239922821021,1165cyclictest0-21swapper22:15:450
8723992277989,1196cyclictest3950irq/9-acpi22:06:530
87239922251039,1063cyclictest0-21swapper22:51:460
8723992133993,1017cyclictest1828-21hald-addon-acpi19:13:530
87239920701025,1010cyclictest0-21swapper20:06:480
87239920661093,907cyclictest134850irq/9-eth000:36:260
87239919201044,784cyclictest0-21swapper21:18:190
87239918741037,747cyclictest9-21ksoftirqd/020:31:050
8723991752934,785cyclictest9-21ksoftirqd/022:31:400
87239916951077,527cyclictest9-21ksoftirqd/022:58:180
87239916661054,612cyclictest0-21swapper21:43:460
87239916481092,493cyclictest8716-21cyclictest23:53:540
87239915811058,458cyclictest9-21ksoftirqd/019:52:140
87239915231035,425cyclictest9-21ksoftirqd/019:55:250
87239914931082,411cyclictest0-21swapper20:21:530
8661254478,207sleep00-21swapper19:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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