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2026-06-08 - 06:40
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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
Characteristics of the 100 highest latencies:
System rackcslot4.osadl.org (updated Mon Jun 08, 2026 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14395352239198,27sleep00-21swapper/019:07:340
14394242237195,28sleep10-21swapper/119:06:231
179699840,4rtkit-daemon1795-21rtkit-daemon20:50:240
179699740,13rtkit-daemon1795-21rtkit-daemon22:22:021
143988799592,38cyclictest1632169-21apt-get00:25:140
179699550,4rtkit-daemon1795-21rtkit-daemon22:31:180
143988799530,38cyclictest1487747-21diskmemload22:17:470
179699520,4rtkit-daemon1795-21rtkit-daemon22:22:390
179699520,3rtkit-daemon1795-21rtkit-daemon22:55:350
143988799522,33cyclictest1559156-21apt-get22:45:130
143988799520,34cyclictest1496221-21apt-get21:20:130
143988799520,27cyclictest1487747-21diskmemload22:28:070
16289932510,3sleep00-21swapper/000:20:200
143988799512,32cyclictest1611092-21apt-get23:55:130
143988799512,31cyclictest1635775-21apt-get00:30:140
143988799511,34cyclictest1487747-21diskmemload21:51:140
143988799511,33cyclictest1581882-21apt-get23:15:120
179699500,3rtkit-daemon1795-21rtkit-daemon22:08:330
179699500,3rtkit-daemon1795-21rtkit-daemon21:05:250
179699500,3rtkit-daemon1795-21rtkit-daemon00:08:340
143988799508,22cyclictest1524908-21sh21:59:200
143988799501,34cyclictest1487747-21diskmemload00:13:140
143988799500,38cyclictest1642367-21ssh00:38:550
179699490,3rtkit-daemon1795-21rtkit-daemon22:03:540
179699490,3rtkit-daemon1795-21rtkit-daemon20:02:220
143988799491,30cyclictest1624814-21apt-get00:15:130
143988799490,33cyclictest1487747-21diskmemload21:47:180
143989499488,21cyclictest1458618-21apt-get19:55:111
143989499486,14cyclictest1636830-21mailstats00:30:241
143988799488,23cyclictest1504892-21sh21:30:320
143988799481,32cyclictest1487747-21diskmemload22:41:250
143988799481,23cyclictest1476232-21apt-get20:40:130
179699470,3rtkit-daemon0-21swapper/000:20:511
14920652470,5sleep11491709-21python321:15:021
143988799479,23cyclictest1444090-21seq19:17:500
143988799479,22cyclictest1534716-21sh22:11:400
143988799471,20cyclictest1507263-21apt-get21:35:140
143988799470,23cyclictest1478178-21apt-get20:45:130
143988799470,22cyclictest1607338-21apt-get23:50:130
143988799470,22cyclictest1492358-21apt-get21:15:130
179699460,4rtkit-daemon1795-21rtkit-daemon19:36:100
179699460,3rtkit-daemon1795-21rtkit-daemon19:52:030
179699460,3rtkit-daemon0-21swapper/121:24:451
143989499468,22cyclictest1547628-21apt-get22:30:071
143989499466,28cyclictest1597235-21cat23:35:181
143988799464,21cyclictest763-21dbus-daemon19:30:000
143988799461,20cyclictest1468411-21apt-get20:20:140
143988799460,24cyclictest1448429-21apt-get19:30:120
143988799460,21cyclictest1585680-21apt-get23:20:150
143988799460,21cyclictest1562875-21apt-get22:50:130
143988799460,21cyclictest1470360-21apt-get20:25:140
179699450,3rtkit-daemon0-21swapper/021:10:011
143988799451,24cyclictest15024982sleep021:28:320
143988799451,23cyclictest1602851-21ssh23:43:240
143988799450,21cyclictest1603760-21apt-get23:45:110
143988799450,21cyclictest1596572-21apt-get23:35:120
143988799450,21cyclictest1578338-21apt-get23:10:130
143988799450,21cyclictest1510848-21apt-get21:40:150
143988799450,20cyclictest1589338-21apt-get23:25:140
143988799450,20cyclictest1488019-21apt-get21:10:110
179699440,7rtkit-daemon0-21swapper/123:24:281
179699440,3rtkit-daemon0-21swapper/021:40:221
179699440,3rtkit-daemon0-21swapper/019:44:581
143989499447,11cyclictest1536632-21cnf-update-db22:15:021
143989499447,11cyclictest1481906-21unin-run20:55:011
143989499446,23cyclictest1518312-21apt-get21:50:121
143989499446,20cyclictest1499754-21apt-get21:25:121
143988799440,23cyclictest1553667-21ssh22:36:060
143988799440,22cyclictest1570510-21ssh23:00:050
143988799440,22cyclictest1482078-21apt-get20:55:120
143988799440,21cyclictest1574679-21apt-get23:05:130
143988799440,20cyclictest1592910-21apt-get23:30:120
143988799440,20cyclictest1592910-21apt-get23:30:110
143989499438,11cyclictest1487747-21diskmemload00:05:151
143988799431,20cyclictest1452359-21apt-get19:40:130
143988799430,22cyclictest1464485-21apt-get20:10:110
143988799430,21cyclictest1440344-21perl19:10:150
179699420,3rtkit-daemon0-21swapper/023:10:111
143989499427,15cyclictest1484777-21/usr/sbin/munin21:00:201
143989499427,10cyclictest1532622-21unin-run22:10:001
143989499427,10cyclictest1462365-21unin-run20:05:011
143989499426,20cyclictest1552029-21apt-get22:35:141
143989499426,11cyclictest1487747-21diskmemload23:50:221
1439894994211,13cyclictest1641066-21ssh00:36:061
1439894994210,11cyclictest1583271-21ssh23:15:281
143988799421,20cyclictest1474262-21apt-get20:35:140
143988799421,20cyclictest1446290-21munin-run19:25:010
143988799420,21cyclictest1484821-21ntpq21:00:210
143988799420,21cyclictest1458036-21python319:55:020
179699410,3rtkit-daemon0-21swapper/023:45:481
179699410,3rtkit-daemon0-21swapper/020:07:031
179699410,3rtkit-daemon0-21swapper/019:20:491
179699410,3rtkit-daemon0-21swapper/019:15:211
1439894994111,12cyclictest1528734-21ssh22:04:261
143988799412,30cyclictest1472311-21apt-get20:30:120
143988799410,20cyclictest1614933-21diskstats00:00:170
143988799410,20cyclictest1466748-21perl20:15:170
143988799410,19cyclictest1464297-21munin-run20:10:000
143988799410,19cyclictest1455079-21ntpq19:45:200
179699400,3rtkit-daemon0-21swapper/020:34:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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