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2026-05-13 - 11:54
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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 376 highest latencies:
System rack1slot3.osadl.org (updated Wed May 13, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
148256199159,1cyclictest0-21swapper/321:05:173
1482561991511,1cyclictest0-21swapper/320:00:113
1482561991411,1cyclictest0-21swapper/322:40:133
148256199137,5cyclictest0-21swapper/323:35:133
1482561991312,0cyclictest0-21swapper/319:10:123
148256199130,11cyclictest0-21swapper/322:45:133
148256199130,11cyclictest0-21swapper/300:10:153
148256199120,1cyclictest0-21swapper/320:30:003
148256199120,11cyclictest0-21swapper/322:30:113
148256199120,11cyclictest0-21swapper/321:30:143
148256199120,11cyclictest0-21swapper/319:40:163
1482561991111,0cyclictest0-21swapper/323:50:123
1482561991111,0cyclictest0-21swapper/319:45:153
1482561991110,0cyclictest0-21swapper/319:35:173
1482561991110,0cyclictest0-21swapper/319:35:173
1482561991110,0cyclictest0-21swapper/300:25:163
148256199110,1cyclictest0-21swapper/322:20:123
148256199110,1cyclictest0-21swapper/321:35:123
148256199110,10cyclictest0-21swapper/323:20:013
148256199110,0cyclictest0-21swapper/323:45:183
148256199110,0cyclictest0-21swapper/322:35:123
148256199110,0cyclictest0-21swapper/321:53:573
148256199110,0cyclictest0-21swapper/321:45:193
148256199110,0cyclictest0-21swapper/321:15:133
1482561991010,0cyclictest0-21swapper/322:05:113
1482561991010,0cyclictest0-21swapper/320:40:003
1482561991010,0cyclictest0-21swapper/319:59:563
1482561991010,0cyclictest0-21swapper/319:20:123
148256199100,9cyclictest0-21swapper/323:40:123
148256199100,9cyclictest0-21swapper/323:00:143
148256199100,9cyclictest0-21swapper/321:25:003
148256199100,8cyclictest0-21swapper/320:20:183
148256199100,0cyclictest0-21swapper/322:15:023
148256199100,0cyclictest0-21swapper/300:00:013
14825619999,0cyclictest0-21swapper/322:54:013
14825619999,0cyclictest0-21swapper/319:30:123
14825619998,0cyclictest0-21swapper/322:26:243
14825619998,0cyclictest0-21swapper/320:40:133
14825619998,0cyclictest0-21swapper/300:35:133
14825619996,1cyclictest0-21swapper/321:55:123
14825619990,0cyclictest0-21swapper/323:20:183
14825619990,0cyclictest0-21swapper/319:17:383
1481547291,5sleep30-21swapper/319:05:193
14825619988,0cyclictest0-21swapper/323:25:193
14825619988,0cyclictest0-21swapper/300:35:013
14825619987,0cyclictest0-21swapper/300:20:123
14825619984,1cyclictest0-21swapper/300:00:133
14825619980,7cyclictest0-21swapper/320:55:163
14825619977,0cyclictest0-21swapper/323:10:213
14825619977,0cyclictest0-21swapper/323:05:473
14825619977,0cyclictest0-21swapper/321:10:213
14825619977,0cyclictest0-21swapper/320:15:133
14825619977,0cyclictest0-21swapper/319:25:193
14825619970,7cyclictest0-21swapper/321:40:173
1482163272,3sleep10-21swapper/119:06:451
14825619966,0cyclictest0-21swapper/300:20:013
14825619965,0cyclictest0-21swapper/322:15:183
14825619965,0cyclictest0-21swapper/322:00:133
14825619965,0cyclictest0-21swapper/300:05:123
14825619965,0cyclictest0-21swapper/300:05:123
14825619960,6cyclictest0-21swapper/322:55:183
14825619955,0cyclictest0-21swapper/321:25:133
14825619955,0cyclictest0-21swapper/320:10:133
14825619954,0cyclictest0-21swapper/320:05:113
14825619950,4cyclictest1516026-21chrt20:34:553
1613719240,2sleep11613745-21apt-get00:30:131
1522031240,2sleep21522057-21apt-get20:50:122
14825619944,0cyclictest0-21swapper/320:50:103
14825619944,0cyclictest0-21swapper/320:45:103
14825619944,0cyclictest0-21swapper/319:50:103
14825619943,0cyclictest0-21swapper/321:00:063
14825619940,3cyclictest1588378-21chrt23:30:023
1482106242,1sleep20-21swapper/219:06:022
1554801230,2sleep21554970-21/usr/sbin/munin22:10:132
1526671230,1sleep01526843-21python321:00:190
1495579230,2sleep21495750-21sed19:40:162
1480744231,1sleep00-21swapper/019:05:040
1609913220,1sleep21610068-21ssh00:20:172
1603458220,1sleep11603026-21/usr/sbin/munin00:05:151
1603458220,1sleep11603026-21/usr/sbin/munin00:05:151
1601015220,1sleep01601203-21cat00:00:140
1596981220,1sleep11597179-21diskstats23:50:151
1594410220,1sleep01594500-21sed23:45:010
1585891220,0sleep00-21swapper/023:23:330
1582646220,1sleep21582848-21ntpq23:15:172
1577414220,0sleep00-21swapper/023:02:220
1567280220,0sleep00-21swapper/022:40:140
1560398220,1sleep20-21swapper/222:21:502
1558927220,1sleep00-21swapper/022:20:120
1552764220,1sleep21552980-21grep22:05:132
1550041220,1sleep21550093-21sh22:00:012
1544624220,1sleep01544778-21ntp_states21:45:180
1522805220,0sleep00-21swapper/020:50:180
1516276220,0sleep10-21swapper/120:35:101
1514981220,1sleep21515130-21ntp_states20:30:152
1500437220,1sleep21500471-21munin-run19:55:012
1492758220,0sleep21492784-21apt-get19:35:122
1492758220,0sleep21492784-21apt-get19:35:122
1490578220,1sleep00-21swapper/019:29:450
1486758220,1sleep01486930-21latency_hist19:20:010
1617411210,0sleep20-21swapper/200:38:072
1615792210,0sleep00-21swapper/000:35:090
1615405210,0sleep20-21swapper/200:33:462
1614521210,0sleep00-21swapper/000:30:200
1613198210,0sleep10-21swapper/100:27:411
1611875210,0sleep00-21swapper/000:25:160
1611123210,0sleep20-21swapper/200:25:022
1609717210,0sleep00-21swapper/000:20:150
1609295210,0sleep10-21swapper/100:20:131
1608674210,0sleep10-21swapper/100:17:001
1607346210,0sleep00-21swapper/000:15:150
1607187210,0sleep20-21swapper/200:15:132
1606416210,0sleep20-21swapper/200:10:252
1605758210,0sleep10-21swapper/100:10:201
1605606210,0sleep00-21swapper/000:10:190
1603542210,0sleep21603732-21strings00:05:172
1603542210,0sleep21603732-21strings00:05:162
1603210210,0sleep00-21swapper/000:05:140
1603210210,0sleep00-21swapper/000:05:140
1601745210,0sleep20-21swapper/200:00:202
1601204210,0sleep10-21swapper/100:00:151
1599347210,0sleep20-21swapper/223:55:162
1598134210,0sleep20-21swapper/223:51:082
1596492210,0sleep00-21swapper/023:50:010
1595644210,0sleep20-21swapper/223:45:192
1595506210,0sleep10-21swapper/123:45:191
1594735210,0sleep00-21swapper/023:45:130
1593476210,0sleep20-21swapper/223:40:192
1592305210,0sleep10-21swapper/123:40:021
1590477210,0sleep01590503-21apt-get23:35:130
1590228210,0sleep10-21swapper/123:35:021
1589707210,1sleep21589711-21ssh23:30:272
1589163210,0sleep10-21swapper/123:30:171
1588394210,0sleep00-21swapper/023:30:120
1587622210,0sleep10-21swapper/123:25:251
1586748210,0sleep00-21swapper/023:25:160
1583957210,0sleep20-21swapper/223:20:022
1583575210,0sleep00-21swapper/023:16:390
1582562210,0sleep10-21swapper/123:15:161
1580484210,0sleep20-21swapper/223:10:172
1580216210,0sleep10-21swapper/123:10:161
1580078210,0sleep00-21swapper/023:10:150
1579382210,0sleep00-21swapper/023:06:230
1578486210,0sleep10-21swapper/123:05:171
1578027210,0sleep20-21swapper/223:05:132
1577406210,0sleep20-21swapper/223:02:162
1574851210,0sleep00-21swapper/022:55:340
1573780210,0sleep10-21swapper/122:55:151
1573111210,0sleep10-21swapper/122:53:391
1573107210,0sleep20-21swapper/222:53:362
1571190210,0sleep00-21swapper/022:50:020
1570929210,0sleep20-21swapper/222:47:442
1569390210,0sleep00-21swapper/022:45:130
1567994210,0sleep10-21swapper/122:40:181
1567277210,0sleep20-21swapper/222:40:112
1566033210,0sleep20-21swapper/222:35:192
1564960210,0sleep10-21swapper/122:35:021
1563246210,0sleep00-21swapper/022:30:120
1563092210,0sleep21563118-21apt-get22:30:102
1562830210,0sleep00-21swapper/022:29:560
1562628210,0sleep10-21swapper/122:28:101
1561379210,0sleep20-21swapper/222:25:142
1558654210,0sleep10-21swapper/122:20:011
1558367210,0sleep20-21swapper/222:17:302
1556819210,0sleep00-21swapper/022:15:110
1556080210,0sleep00-21swapper/022:10:390
1554742210,0sleep10-21swapper/122:10:121
1554008210,0sleep10-21swapper/122:05:441
1553107210,0sleep00-21swapper/022:05:150
1552134210,0sleep10-21swapper/122:04:561
1550308210,0sleep00-21swapper/022:00:080
1549700210,0sleep00-21swapper/021:56:580
1548651210,0sleep10-21swapper/121:55:151
1547392210,0sleep20-21swapper/221:50:242
1547056210,0sleep10-21swapper/121:50:191
1546269210,0sleep00-21swapper/021:50:140
1544932210,0sleep20-21swapper/221:45:202
1544779211,0sleep11544931-21mailstats21:45:201
1543451210,0sleep20-21swapper/221:42:232
1543240210,0sleep00-21swapper/021:40:290
1542359210,0sleep10-21swapper/121:40:141
1541212210,0sleep10-21swapper/121:36:101
1540564210,0sleep00-21swapper/021:35:170
1540262210,0sleep20-21swapper/221:35:152
1538402210,0sleep10-21swapper/121:30:181
1538265210,0sleep00-21swapper/021:30:170
1537906210,0sleep20-21swapper/221:30:152
1537058210,0sleep20-21swapper/221:25:222
1536720210,0sleep00-21swapper/021:25:200
1535751210,0sleep10-21swapper/121:25:131
1535318210,0sleep00-21swapper/021:23:130
1535129210,0sleep20-21swapper/221:21:222
1532130210,0sleep00-21swapper/021:15:160
1531705210,0sleep10-21swapper/121:15:131
1531697210,0sleep20-21swapper/221:15:102
1531097210,1sleep00-21swapper/021:11:190
1530524210,0sleep20-21swapper/221:10:212
1529699210,0sleep10-21swapper/121:10:121
1528498210,0sleep10-21swapper/121:05:161
1528299210,0sleep00-21swapper/021:05:150
1527538210,0sleep20-21swapper/221:05:022
1525875210,0sleep20-21swapper/221:00:132
1524695210,0sleep20-21swapper/220:55:172
1524518210,0sleep10-21swapper/120:55:161
1522962210,0sleep10-21swapper/120:50:191
1521783210,0sleep20-21swapper/220:50:002
1521547210,0sleep10-21swapper/120:46:591
1520349210,0sleep00-21swapper/020:45:140
1518284210,0sleep10-21swapper/120:40:161
1517575210,0sleep20-21swapper/220:35:192
1517179210,0sleep00-21swapper/020:35:170
1515256210,0sleep00-21swapper/020:30:170
1514364210,0sleep10-21swapper/120:30:101
1513233210,0sleep20-21swapper/220:25:202
1513134210,0sleep10-21swapper/120:25:181
1512455210,0sleep00-21swapper/020:25:130
1510966210,0sleep20-21swapper/220:20:142
1510667210,0sleep10-21swapper/120:20:131
1510572210,0sleep00-21swapper/020:20:120
1508608210,0sleep00-21swapper/020:15:130
1508363210,0sleep10-21swapper/120:15:011
1507145210,0sleep10-21swapper/120:10:171
1507089210,0sleep00-21swapper/020:10:160
1506452210,0sleep20-21swapper/220:10:022
1504847210,0sleep10-21swapper/120:05:121
1504777210,0sleep00-21swapper/020:05:030
1504248210,1sleep00-21swapper/020:01:150
1502949210,0sleep10-21swapper/120:00:131
1502347210,0sleep20-21swapper/220:00:012
1501721210,0sleep00-21swapper/019:55:190
1499254210,0sleep10-21swapper/119:50:161
1499195210,0sleep00-21swapper/019:50:150
1497412210,0sleep10-21swapper/119:45:151
1497305210,0sleep00-21swapper/019:45:140
1496953210,0sleep20-21swapper/219:45:132
1493189210,0sleep10-21swapper/119:35:151
1493189210,0sleep10-21swapper/119:35:151
1492924210,0sleep00-21swapper/019:35:150
1492924210,0sleep00-21swapper/019:35:140
1492404210,0sleep20-21swapper/219:33:402
1490600210,0sleep00-21swapper/019:30:010
1489170210,0sleep20-21swapper/219:25:152
1489008210,0sleep10-21swapper/119:25:151
1487637210,0sleep00-21swapper/019:20:170
1485277210,0sleep20-21swapper/219:15:142
1483083210,0sleep20-21swapper/219:10:152
1482808210,0sleep10-21swapper/119:10:131
1615788200,0sleep10-21swapper/100:35:051
1598809200,0sleep10-21swapper/123:55:031
1598576200,0sleep00-21swapper/023:55:020
1590460200,0sleep20-21swapper/223:35:032
1586061200,0sleep20-21swapper/223:25:022
1584218200,0sleep10-21swapper/123:20:051
1575870200,0sleep10-21swapper/123:00:031
1573505200,0sleep20-21swapper/222:55:042
1569340200,0sleep10-21swapper/122:45:021
1565165200,0sleep00-21swapper/022:35:050
1562842200,0sleep10-21swapper/122:30:011
1556806200,0sleep10-21swapper/122:15:041
1550305200,0sleep20-21swapper/222:00:052
1533447200,0sleep10-21swapper/121:20:011
1525864200,0sleep10-21swapper/121:00:041
1523929200,0sleep00-21swapper/020:55:020
1518200200,0sleep20-21swapper/220:40:042
1518197200,0sleep00-21swapper/020:40:020
1508595200,0sleep20-21swapper/220:15:022
1504543200,0sleep20-21swapper/220:05:012
1500674200,0sleep20-21swapper/219:55:052
1500673200,0sleep10-21swapper/119:55:041
1494680200,0sleep10-21swapper/119:40:031
1494679200,0sleep00-21swapper/019:40:020
1490836200,0sleep10-21swapper/119:30:021
1487014200,0sleep20-21swapper/219:20:032
1486931200,0sleep10-21swapper/119:20:021
1484382200,0sleep10-21swapper/119:15:011
1482708200,0sleep00-21swapper/019:10:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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