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2026-03-31 - 20:22
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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 all highest latencies:
System rack6slot6 (updated Tue Mar 31, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39829910736153457,53806cyclictest2099-21runrttasks09:48:390
39829910713253454,53615cyclictest134850irq/9-eth009:10:480
39829910687853390,53425cyclictest134850irq/9-eth012:16:120
39829910682453448,53376cyclictest0-21swapper10:35:230
39829910682153389,53369cyclictest134850irq/9-eth010:06:440
39829910665753382,53183cyclictest0-21swapper08:19:340
39829910656153458,53103cyclictest0-21swapper07:51:350
39829910655953471,52964cyclictest170212sleep008:59:150
39829910653053467,53063cyclictest0-21swapper11:51:450
39829910648753407,53080cyclictest0-21swapper08:12:110
39829910634253470,52872cyclictest0-21swapper08:30:270
39829910630853457,52760cyclictest0-21swapper08:53:330
39829910626353409,52854cyclictest0-21swapper07:10:040
39829910625353475,52778cyclictest0-21swapper10:17:170
39829910622253476,52746cyclictest0-21swapper07:43:330
39829910621653474,52742cyclictest0-21swapper07:29:490
39829910619853461,52737cyclictest0-21swapper09:23:220
39829910616153461,52700cyclictest0-21swapper07:35:110
39829910614853438,52710cyclictest0-21swapper07:49:050
39829910612053423,52697cyclictest0-21swapper08:48:320
39829910612053420,52700cyclictest0-21swapper08:02:290
39829910604152970,53070cyclictest0-21swapper10:33:320
39829910588653062,52818cyclictest8277-21ssh11:58:570
39829910517853055,52116cyclictest0-21swapper11:07:520
39829910510353002,52099cyclictest0-21swapper12:03:580
39829910502552921,52102cyclictest0-21swapper10:23:390
3982995372928,0cyclictest1088-21ssh11:00:300
3982995359027,53469cyclictest0-21swapper10:53:580
3982995353927,0cyclictest0-21swapper12:38:180
3982995329724,53206cyclictest0-21swapper09:04:060
3982995324826,0cyclictest0-21swapper08:43:300
3982995308027,53053cyclictest0-21swapper08:22:240
3982995303930,52890cyclictest0-21swapper11:17:150
39829949002672,2220cyclictest1741-21hald10:03:540
39829944402504,1933cyclictest2679-21devkit-power-da11:44:330
39829925181097,1294cyclictest22517-21ssh09:58:120
39829925041078,1301cyclictest1907-21snmpd08:38:090
39829924801094,1260cyclictest3950irq/9-acpi09:36:460
39829922471092,1057cyclictest16455-21ssh11:23:360
39829921521074,1013cyclictest3950irq/9-acpi11:30:490
39829920961100,898cyclictest22105-21munin-node10:45:150
3982992051998,1015cyclictest29266-21ssh12:29:560
3982992020981,1005cyclictest0-21swapper11:47:430
39829920041030,882cyclictest3950irq/9-acpi11:13:340
3982991949896,1039cyclictest0-21swapper10:43:550
39829919401046,857cyclictest16962-21ssh12:10:300
39829919091093,717cyclictest1869-21ssh09:28:230
39829919021024,784cyclictest3950irq/9-acpi09:43:480
39829918641050,722cyclictest0-21swapper08:28:560
39829918641046,723cyclictest0-21swapper12:08:290
39829918431092,659cyclictest0-21swapper09:18:300
39829917531099,654cyclictest0-21swapper08:09:000
39829917481090,395cyclictest0-21swapper10:57:590
39829917201056,570cyclictest0-21swapper07:57:170
39829916771027,630cyclictest3950irq/9-acpi12:23:540
39829916511094,460cyclictest5525-21ssh09:33:350
3982991614980,597cyclictest765-21ssh10:14:060
3982991550945,569cyclictest21322-21diskmemload12:34:270
39829915311012,428cyclictest0-21swapper07:18:360
398299152424,1373cyclictest26585-21ssh11:38:210
3982991520957,539cyclictest9682-21ssh10:25:500
39829915081015,426cyclictest0-21swapper07:30:090
3982991501690,800cyclictest0-21swapper09:54:310
39829914831005,414cyclictest3892-21kworker/0:007:23:170
39829914451094,351cyclictest0-21swapper11:27:280
39829914421084,358cyclictest0-21swapper09:05:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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