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2025-11-30 - 22:29
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackfslot7.osadl.org (updated Sun Nov 30, 2025 12:46:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2671498997231,39cyclictest0-21swapper/407:53:204
2671498997231,39cyclictest0-21swapper/407:53:204
2671498997130,39cyclictest0-21swapper/409:17:164
2671498997113,39cyclictest2747834-21ntpq09:20:194
2671498997031,18cyclictest0-21swapper/407:14:274
2671498997030,19cyclictest0-21swapper/409:39:124
2671498997011,39cyclictest2836888-21latency_hist12:00:024
2671498997011,39cyclictest2836888-21latency_hist12:00:014
2671498996929,19cyclictest0-21swapper/411:28:324
2671498996830,18cyclictest0-21swapper/410:50:154
2671498996223,19cyclictest0-21swapper/411:49:484
2671498995819,19cyclictest2738744-21gltestperf09:05:164
267149899570,38cyclictest1088-21runrttasks09:49:564
267149899550,16cyclictest0-21swapper/407:30:404
267149699550,35cyclictest0-21swapper/211:35:182
2671498995412,39cyclictest2773239-21pmu-power10:05:234
2671498995314,39cyclictest2843847-21ntpq12:10:224
2671498995313,21cyclictest0-21swapper/412:38:044
2671498995313,1cyclictest2709074-21munin-run08:15:024
2671498995312,20cyclictest1089-21snmpd12:09:354
2671498995230,19cyclictest0-21swapper/407:37:434
2671498995214,19cyclictest2723396-21systemd-run08:40:014
2671498995213,39cyclictest0-21swapper/411:02:334
2671498995213,0cyclictest2724846-21ntpq08:40:224
2671498995212,40cyclictest2711902-21munin-run08:20:014
2671498995212,21cyclictest0-21swapper/410:57:444
2671498995212,21cyclictest0-21swapper/409:41:314
2671498995212,20cyclictest0-21swapper/410:21:244
267149899519,39cyclictest2703477-21sed08:05:024
267149899519,39cyclictest2703477-21sed08:05:014
2671498995132,19cyclictest2775729-21meminfo10:10:204
2671498995112,39cyclictest0-21swapper/408:53:154
2671498995112,19cyclictest0-21swapper/411:32:084
2671498995111,39cyclictest0-21swapper/409:31:594
2671498995111,18cyclictest0-21swapper/412:25:024
267149899508,19cyclictest2812666-21ld11:15:224
2671498995031,19cyclictest0-21swapper/407:20:164
2671498995011,39cyclictest0-21swapper/412:03:004
2671498995011,39cyclictest0-21swapper/411:43:404
2671498995011,39cyclictest0-21swapper/410:45:404
2671497995013,18cyclictest0-21swapper/310:15:173
2671497995012,19cyclictest0-21swapper/308:45:173
2671496995012,19cyclictest0-21swapper/210:00:182
267149899499,40cyclictest3389514-21systemd-journal08:32:144
2671498994929,20cyclictest0-21swapper/409:10:154
2671498994911,19cyclictest2794104-21munin-run10:45:024
2671498994910,39cyclictest0-21swapper/410:03:124
2671498994910,39cyclictest0-21swapper/408:28:334
2671498994910,39cyclictest0-21swapper/408:05:184
2671498994910,39cyclictest0-21swapper/408:05:174
267149899489,39cyclictest0-21swapper/408:55:484
2671498994810,19cyclictest0-21swapper/411:21:204
2671498994810,19cyclictest0-21swapper/407:41:324
267149899478,39cyclictest0-21swapper/407:45:534
2671498994729,18cyclictest126-1kworker/4:1H+kblockd10:19:554
2671498994728,19cyclictest0-21swapper/411:09:564
267149899468,19cyclictest0-21swapper/409:58:144
267149899467,39cyclictest0-21swapper/409:01:134
267149899467,39cyclictest0-21swapper/408:45:344
267149899467,19cyclictest0-21swapper/412:15:234
267149899467,19cyclictest0-21swapper/411:51:364
2671496994627,18cyclictest0-21swapper/210:10:172
2671500994526,19cyclictest0-21swapper/610:05:196
267149899456,39cyclictest0-21swapper/410:34:344
267149899456,19cyclictest0-21swapper/407:58:044
267149899456,19cyclictest0-21swapper/407:58:034
267149799457,19cyclictest0-21swapper/311:35:183
267149899445,0cyclictest0-21swapper/407:25:224
267149899444,40cyclictest0-21swapper/411:13:234
267149799445,39cyclictest0-21swapper/310:35:183
267149899434,39cyclictest0-21swapper/412:25:424
267149899434,39cyclictest0-21swapper/411:38:014
267149899434,39cyclictest0-21swapper/410:36:584
2671498994323,20cyclictest0-21swapper/408:23:284
267149799435,19cyclictest0-21swapper/308:20:163
267149899424,19cyclictest0-21swapper/409:26:544
2671498994224,0cyclictest0-21swapper/409:50:444
267150099413,19cyclictest0-21swapper/608:10:186
267149799414,0cyclictest873-21mta-sts-daemon09:05:173
267149799413,19cyclictest0-21swapper/312:25:183
267149799400,40cyclictest0-21swapper/309:30:173
267149899390,19cyclictest0-21swapper/407:18:364
267149699390,20cyclictest0-21swapper/211:30:162
267149899380,18cyclictest0-21swapper/412:30:154
267149799380,19cyclictest0-21swapper/307:15:173
2671494993736,0cyclictest2676994-21kworker/0:2+events08:31:090
267149799360,35cyclictest0-21swapper/312:15:173
267149799360,35cyclictest0-21swapper/308:10:183
267149799360,17cyclictest0-21swapper/309:20:173
2671496993613,23cyclictest0-21swapper/209:00:172
267149499360,17cyclictest0-21swapper/008:35:170
267150199350,15cyclictest0-21swapper/710:25:167
267150099350,35cyclictest0-21swapper/611:55:186
267150099350,35cyclictest0-21swapper/611:55:186
267149799350,34cyclictest0-21swapper/310:30:183
267149799350,15cyclictest0-21swapper/307:20:223
267149699350,35cyclictest0-21swapper/211:15:182
267149699350,15cyclictest0-21swapper/207:40:192
2671494993535,0cyclictest2824816-21kworker/0:0+events11:58:020
2671494993535,0cyclictest2824816-21kworker/0:0+events11:58:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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