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2025-11-29 - 20:28
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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 Sat Nov 29, 2025 12:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1400575999213,59cyclictest1442239-21grep08:20:233
1400575997737,19cyclictest5150ktimers/309:15:103
1400572997517,39cyclictest16-21ksoftirqd/012:10:180
1400575997414,59cyclictest1523030-21apt-get10:45:133
1400575997232,20cyclictest0-21swapper/307:44:403
1400575997213,39cyclictest1546247-21df11:25:173
140057599602,39cyclictest1531203-21munin-run11:00:013
1400575995921,3cyclictest511ktimers/310:10:353
1400575995821,37cyclictest511ktimers/311:01:273
1400575995820,2cyclictest876-21mta-sts-daemon10:28:273
1400575995819,19cyclictest5150ktimers/309:46:223
140057599580,39cyclictest1449966-21/usr/sbin/munin08:35:163
1400573995819,19cyclictest0-21swapper/109:30:221
1400575995719,2cyclictest878-21mta-sts-daemon12:17:433
140057599570,38cyclictest1410589-21needreboot07:25:203
1400575995633,0cyclictest878-21mta-sts-daemon10:54:173
1400575995618,2cyclictest5150ktimers/310:09:553
1400575995618,19cyclictest1470788-21open_inodes09:10:223
1400575995519,35cyclictest0-21swapper/311:24:593
1400575995515,20cyclictest511ktimers/310:36:253
1400575995511,41cyclictest1515881-21ntpq10:30:193
1400575995419,15cyclictest0-21swapper/312:07:513
1400575995419,15cyclictest0-21swapper/312:07:513
1400575995414,39cyclictest0-21swapper/307:17:043
140057599540,34cyclictest0-21swapper/309:23:383
1400579995315,19cyclictest0-21swapper/710:20:187
1400575995333,20cyclictest0-21swapper/310:20:593
1400575995333,19cyclictest1402278-21ntpq07:10:223
1400575995315,38cyclictest511ktimers/308:28:063
1400575995314,39cyclictest0-21swapper/311:45:113
1400575995314,39cyclictest0-21swapper/308:15:323
1400575995314,39cyclictest0-21swapper/308:15:323
1400575995314,19cyclictest0-21swapper/310:15:233
1400575995314,19cyclictest0-21swapper/308:50:563
1400575995314,19cyclictest0-21swapper/307:55:333
1400572995314,39cyclictest0-21swapper/010:20:180
1400577995213,39cyclictest0-21swapper/511:05:175
1400575995233,19cyclictest0-21swapper/309:32:283
1400575995233,19cyclictest0-21swapper/309:25:143
1400575995214,19cyclictest1422317-21processes07:45:223
1400575995214,19cyclictest1408430-21unixbench-2d07:20:273
1400575995213,39cyclictest0-21swapper/311:38:153
1400575995213,39cyclictest0-21swapper/309:56:243
1400573995214,19cyclictest0-21swapper/110:40:181
1400577995114,18cyclictest0-21swapper/509:35:195
1400575995133,18cyclictest0-21swapper/312:11:593
1400575995133,18cyclictest0-21swapper/311:53:033
1400575995133,18cyclictest0-21swapper/309:03:243
1400575995133,18cyclictest0-21swapper/308:11:523
1400575995132,19cyclictest1452279-21/usr/sbin/munin08:40:203
1400575995132,19cyclictest0-21swapper/312:36:153
1400575995113,19cyclictest0-21swapper/312:22:453
1400575995113,19cyclictest0-21swapper/308:07:063
1400575995113,19cyclictest0-21swapper/308:07:063
1400575995112,39cyclictest0-21swapper/311:09:513
1400575995112,39cyclictest0-21swapper/307:34:323
1400575995111,39cyclictest0-21swapper/312:25:133
1400579995012,19cyclictest0-21swapper/712:15:187
1400575995032,18cyclictest1467709-21/usr/sbin/munin09:05:243
1400575995032,18cyclictest0-21swapper/311:32:193
1400575995032,18cyclictest0-21swapper/309:51:423
1400575995032,18cyclictest0-21swapper/309:42:443
1400575995032,18cyclictest0-21swapper/309:37:563
1400575995011,39cyclictest0-21swapper/307:39:043
1400573995012,19cyclictest0-21swapper/109:55:191
1400575994931,18cyclictest0-21swapper/311:11:093
1400575994928,20cyclictest1568144-21latency_hist12:05:013
1400575994830,18cyclictest0-21swapper/312:31:233
1400575994830,18cyclictest0-21swapper/311:40:453
1400573994810,19cyclictest0-21swapper/107:15:171
1400572994829,19cyclictest0-21swapper/011:50:160
140057699479,19cyclictest1586408-21sed12:35:194
140057599479,38cyclictest1400571-21cyclictest11:16:293
140057599479,19cyclictest0-21swapper/307:51:463
140057599478,39cyclictest0-21swapper/308:59:453
140057399477,39cyclictest0-21swapper/110:00:171
140057699468,19cyclictest591rcuc/408:35:014
1400575994628,18cyclictest0-21swapper/308:01:183
1400575994526,19cyclictest1564589-21users11:55:253
1400574994526,19cyclictest0-21swapper/209:00:182
140057299457,19cyclictest0-21swapper/011:00:170
140057299456,39cyclictest0-21swapper/009:30:230
1400575994325,18cyclictest0-21swapper/310:03:263
140057299435,19cyclictest0-21swapper/007:40:170
140057699423,39cyclictest874-21mta-sts-daemon12:30:174
1400575994223,19cyclictest1089-21snmpd08:32:583
140057899411,39cyclictest0-21swapper/612:05:196
140057899411,39cyclictest0-21swapper/612:05:186
140057699412,39cyclictest0-21swapper/408:29:014
140057999401,39cyclictest0-21swapper/709:15:177
1400577994022,18cyclictest0-21swapper/511:50:165
140057399402,19cyclictest0-21swapper/110:35:211
1400577993939,0cyclictest0-21swapper/507:30:165
140057799390,20cyclictest0-21swapper/507:50:175
140057399390,20cyclictest0-21swapper/109:10:171
1400572993921,18cyclictest0-21swapper/007:25:170
140057299390,39cyclictest16-21ksoftirqd/010:10:180
1400579993838,0cyclictest1400329-21kworker/7:1+events12:26:177
1400579993838,0cyclictest1400329-21kworker/7:1+events12:11:497
1400579993838,0cyclictest1400329-21kworker/7:1+events12:08:177
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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