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2025-11-30 - 03:43
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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 Sun Nov 30, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37369910729153397,53798cyclictest20855-21diskmemload21:39:550
37369910714153451,53594cyclictest2114-21munin-node20:46:190
37369910685653408,53351cyclictest2739-21devkit-power-da23:16:430
37369910685353455,53333cyclictest9-21ksoftirqd/000:23:020
37369910672753477,53153cyclictest20185-21ssh00:08:070
37369910661953396,53133cyclictest9-21ksoftirqd/023:23:140
37369910659453467,53127cyclictest0-21swapper19:56:550
37369910658453409,53110cyclictest0-21swapper00:10:380
37369910655653396,53096cyclictest9-21ksoftirqd/023:06:500
37369910653953385,53089cyclictest0-21swapper20:52:510
37369910653753410,53036cyclictest0-21swapper23:45:310
37369910652753471,53056cyclictest0-21swapper19:44:210
37369910651253474,53038cyclictest0-21swapper19:12:120
37369910649653453,53043cyclictest0-21swapper23:02:590
37369910646753416,53051cyclictest0-21swapper21:06:450
37369910645453445,53009cyclictest0-21swapper00:18:500
37369910641753432,52985cyclictest0-21swapper00:29:440
37369910641453428,52986cyclictest0-21swapper23:42:000
37369910640953425,52984cyclictest0-21swapper21:29:520
37369910628153402,52815cyclictest0-21swapper20:08:480
37369910628053400,52816cyclictest9-21ksoftirqd/019:52:040
37369910627553398,52812cyclictest9-21ksoftirqd/021:49:580
37369910622253473,52749cyclictest0-21swapper20:13:400
37369910621853472,52746cyclictest0-21swapper19:28:170
37369910621753471,52746cyclictest0-21swapper20:33:260
37369910621053471,52739cyclictest0-21swapper19:49:030
37369910618553413,52772cyclictest0-21swapper23:26:150
37369910618053454,52726cyclictest0-21swapper20:28:240
37369910614053394,52746cyclictest0-21swapper22:33:100
37369910612853427,52701cyclictest0-21swapper19:23:550
37369910587853357,52521cyclictest0-21swapper23:32:170
37369910533552946,52386cyclictest27728-21ssh22:04:120
3736995431853414,845cyclictest0-21swapper20:59:530
3736995397553378,505cyclictest0-21swapper22:19:160
3736995379253453,217cyclictest29912-21ssh22:51:250
3736995372553419,215cyclictest0-21swapper21:00:330
3736995319325,0cyclictest0-21swapper23:58:040
3736995307853056,21cyclictest0-21swapper22:25:380
373699529437,52810cyclictest19016-21ssh22:36:110
373699526736,52667cyclictest0-21swapper20:18:410
37369923771045,1206cyclictest2114-21munin-node00:33:450
37369923691096,1148cyclictest2103-21runrttasks19:18:440
37369923421086,1132cyclictest2103-21runrttasks22:59:380
37369923381099,1147cyclictest19367-21kworker/u2:022:45:030
37369922971078,1126cyclictest9-21ksoftirqd/022:24:070
37369922771051,1104cyclictest0-21swapper23:38:190
37369921771102,976cyclictest13320-21ssh23:14:020
37369921561091,974cyclictest20701-21rm21:54:290
3736992084974,1018cyclictest3950irq/9-acpi21:57:200
37369920641022,1008cyclictest0-21swapper21:21:390
37369920161094,880cyclictest0-21swapper22:05:420
37369919791030,856cyclictest0-21swapper20:21:320
37369919491005,910cyclictest0-21swapper22:44:530
37369919461069,777cyclictest21203-21ssh21:10:160
37369919401039,780cyclictest0-21swapper19:35:390
37369919341001,896cyclictest4500-21ssh21:30:520
37369919011023,784cyclictest3950irq/9-acpi23:53:330
37369918751050,699cyclictest2803-21gnome-power-man20:03:370
37369916591094,501cyclictest3735-21cyclictest20:38:370
37369916581007,526cyclictest20855-21diskmemload00:04:260
37369915631013,513cyclictest20855-21diskmemload21:18:590
37369915021041,367cyclictest0-21swapper00:38:260
3736991460686,770cyclictest0-21swapper21:43:160
37369914551100,355cyclictest0-21swapper19:30:070
37369914421094,348cyclictest0-21swapper20:40:380
37369914081067,341cyclictest0-21swapper22:12:340
1391255153,207sleep00-21swapper19:05:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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