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2026-05-13 - 01:31
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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 792 highest latencies:
System rackeslot2.osadl.org (updated Tue May 12, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
184876921810,3sleep30-21swapper/311:59:393
180892021000,2sleep30-21swapper/311:30:253
17659012440,1sleep10-21swapper/111:05:181
1434753993216,7cyclictest0-21swapper/012:25:010
1434754992925,2cyclictest134050irq/121-eno109:30:241
18435712250,1sleep11843575-21cut11:55:201
1434755992421,1cyclictest0-21swapper/212:35:012
1434755992421,1cyclictest0-21swapper/212:35:002
1434754992311,2cyclictest491rcuog/211:54:031
1434754992219,2cyclictest1441302-21latency_hist07:15:011
1434754992219,2cyclictest0-21swapper/109:50:231
1434754992216,2cyclictest1869843-21python312:10:251
1434754992216,2cyclictest134050irq/121-eno109:20:021
1434754992216,2cyclictest134050irq/121-eno109:20:021
1434754992118,2cyclictest1582388-21/usr/sbin/munin09:05:001
1434754992118,2cyclictest1493775-21systemd07:55:001
143475399219,7cyclictest0-21swapper/009:15:130
143475399219,7cyclictest0-21swapper/009:15:130
1434753992117,3cyclictest1879421-21wc12:20:000
2649091201,9phc2sys0-21swapper/307:05:133
2649091201,7phc2sys0-21swapper/308:25:123
1434755992017,1cyclictest0-21swapper/210:35:002
1434755992017,1cyclictest0-21swapper/208:20:002
1434754992017,2cyclictest1596765-21sh09:15:021
1434754992016,3cyclictest3841370-21avahi-daemon08:30:001
1434754992016,3cyclictest3824565-21in:imuxsock09:00:011
1434754992014,2cyclictest1905555-21kthreadcore12:35:201
1434754992013,3cyclictest1897466-21kthreadcore12:30:181
1434754992013,3cyclictest1897466-21kthreadcore12:30:181
1434754992012,4cyclictest1761830-21kthreadcore11:00:221
1434753992017,2cyclictest1785827-21sed11:15:260
143475599191,11cyclictest0-21swapper/209:50:012
1434754991913,2cyclictest134050irq/121-eno110:30:111
143475399198,6cyclictest0-21swapper/010:35:370
1434753991916,2cyclictest0-21swapper/012:10:010
1434753991915,2cyclictest0-21swapper/009:50:010
1434753991913,5cyclictest0-21swapper/009:15:000
143475399191,2cyclictest0-21swapper/012:35:530
143475399191,12cyclictest1826208-21/usr/sbin/munin11:45:200
1434753991910,5cyclictest1638968-21kthreadcore09:40:190
143475399190,3cyclictest1855526-21ssh12:02:050
2649091180,2phc2sys0-21swapper/307:20:213
143475599181,9cyclictest0-21swapper/211:40:012
1434755991815,1cyclictest0-21swapper/212:25:012
1434755991815,1cyclictest0-21swapper/208:40:002
1434755991815,1cyclictest0-21swapper/208:05:002
1434755991815,1cyclictest0-21swapper/208:05:002
1434755991815,1cyclictest0-21swapper/207:55:002
1434755991814,2cyclictest0-21swapper/208:50:202
143475499185,7cyclictest1882937-21cut12:20:181
1434754991815,2cyclictest1893135-21runrttasks12:25:381
1434754991815,2cyclictest1747042-21python310:50:241
1434754991814,3cyclictest1-21systemd10:40:011
1434754991811,2cyclictest134050irq/121-eno112:15:211
143475399189,5cyclictest0-21swapper/009:35:190
143475399188,5cyclictest0-21swapper/012:35:000
143475399188,5cyclictest0-21swapper/012:35:000
143475399185,6cyclictest0-21swapper/010:45:100
143475399184,4cyclictest1744913-21cut10:50:190
1434753991815,2cyclictest1813902-21kthreadcore11:35:200
1434753991815,2cyclictest1480952-21cron07:45:000
1434753991815,2cyclictest1-21systemd09:30:000
1434753991815,2cyclictest0-21swapper/011:45:000
1434753991815,2cyclictest0-21swapper/011:00:000
1434753991813,2cyclictest0-21swapper/007:10:010
1434753991813,1cyclictest383433398rtkit-daemon09:31:210
1434753991811,2cyclictest3827634-1atopacctd10:00:460
1434753991810,6cyclictest0-21swapper/009:10:010
143475399180,2cyclictest1891820-21kthreadcore12:25:190
2649091171,3phc2sys0-21swapper/309:20:113
2649091170,5phc2sys0-21swapper/311:26:303
2649091170,2phc2sys0-21swapper/310:53:063
2649091170,2phc2sys0-21swapper/310:49:463
2649091170,2phc2sys0-21swapper/310:29:453
2649091170,2phc2sys0-21swapper/310:22:443
2649091170,2phc2sys0-21swapper/309:44:043
1434755991714,1cyclictest0-21swapper/210:55:012
1434755991714,1cyclictest0-21swapper/209:00:002
143475499176,2cyclictest491rcuog/207:20:231
1434754991714,2cyclictest3827634-1atopacctd08:25:011
1434754991714,2cyclictest1756581-21cron11:00:011
1434754991714,2cyclictest1609586-21grep09:20:221
1434754991714,2cyclictest1326-21systemd-logind10:25:021
1434754991714,2cyclictest0-21swapper/110:45:021
1434754991713,3cyclictest1665117-21latency_hist10:00:011
143475499170,3cyclictest1810108-21ssh11:33:461
143475399178,5cyclictest1731140-21kthreadcore10:40:210
143475399177,6cyclictest0-21swapper/009:20:200
1434753991714,2cyclictest1839102-21needreboot11:50:210
1434753991714,2cyclictest1569822-21cut08:55:010
1434753991714,2cyclictest1-21systemd11:05:000
1434753991714,2cyclictest0-21swapper/011:15:000
1434753991712,4cyclictest3851698-21mta-sts-daemon10:32:080
2649091161,2phc2sys0-21swapper/310:05:253
2649091160,2phc2sys0-21swapper/309:38:433
2649091160,2phc2sys0-21swapper/309:30:453
1434755991614,1cyclictest0-21swapper/210:05:162
1434755991613,1cyclictest0-21swapper/212:15:172
1434755991613,1cyclictest0-21swapper/211:35:002
1434755991613,1cyclictest0-21swapper/211:20:012
1434755991613,1cyclictest0-21swapper/210:30:012
1434755991613,1cyclictest0-21swapper/210:00:142
1434755991613,1cyclictest0-21swapper/209:55:112
1434755991613,1cyclictest0-21swapper/209:40:002
1434755991613,1cyclictest0-21swapper/208:12:532
1434755991613,1cyclictest0-21swapper/207:40:202
1434755991613,1cyclictest0-21swapper/207:40:002
1434755991613,1cyclictest0-21swapper/207:15:012
1434755991612,2cyclictest0-21swapper/210:22:122
143475499169,3cyclictest1506815-21tail08:05:121
143475499168,3cyclictest0-21swapper/111:10:281
143475499167,4cyclictest1290-21dbus-daemon07:10:011
143475499167,4cyclictest0-21swapper/110:00:201
143475499162,4cyclictest3834332-21rtkit-daemon08:47:551
1434754991614,1cyclictest0-21swapper/110:15:001
1434754991613,2cyclictest1708737-21grep10:25:211
1434754991613,2cyclictest1643450-21sed09:45:151
1434754991613,2cyclictest1628342-21if_err_enp1s009:35:171
1434754991613,2cyclictest1519368-21systemd-run08:15:011
1434754991611,2cyclictest3851702-21mta-sts-daemon11:24:071
143475399169,6cyclictest0-21swapper/011:30:110
143475399169,5cyclictest1441250-21cstates07:15:010
143475399168,7cyclictest1674675-21kthreadcore10:05:190
143475399168,6cyclictest1290-21dbus-daemon08:50:010
143475399168,6cyclictest0-21swapper/012:15:020
143475399166,5cyclictest0-21swapper/011:20:190
143475399163,8cyclictest1682781-21cut10:10:190
143475399161,9cyclictest1-21systemd08:45:000
1434753991613,2cyclictest3851702-21mta-sts-daemon10:21:160
1434753991613,2cyclictest1487905-21cpuspeed_turbos07:50:140
1434753991612,3cyclictest1521694-21kthreadcore08:15:190
1434753991612,3cyclictest1326-21systemd-logind08:15:000
1434753991611,4cyclictest0-21swapper/008:35:020
1434753991610,5cyclictest3827634-1atopacctd11:25:580
383433398150,5rtkit-daemon3851702-21mta-sts-daemon07:17:591
2649091150,3phc2sys0-21swapper/310:30:133
2649091150,2phc2sys0-21swapper/312:01:033
2649091150,2phc2sys0-21swapper/309:13:413
2649091150,2phc2sys0-21swapper/308:59:553
2649091150,1phc2sys0-21swapper/310:58:243
143475599152,7cyclictest0-21swapper/208:50:012
1434755991513,1cyclictest0-21swapper/211:00:132
1434755991513,1cyclictest0-21swapper/209:40:122
1434755991512,1cyclictest0-21swapper/212:15:012
1434755991512,1cyclictest0-21swapper/212:05:172
1434755991512,1cyclictest0-21swapper/211:45:132
1434755991512,1cyclictest0-21swapper/210:43:582
1434755991512,1cyclictest0-21swapper/209:25:002
1434755991512,1cyclictest0-21swapper/207:30:002
143475499159,2cyclictest134050irq/121-eno111:45:191
143475499158,6cyclictest3851702-21mta-sts-daemon07:30:191
1434754991512,2cyclictest3834332-21rtkit-daemon12:06:281
1434754991512,2cyclictest1781362-21irqrtprio11:15:181
1434754991512,2cyclictest1613171-21irqcore09:25:171
1434754991512,2cyclictest1506419-21systemd-run08:05:001
1434754991512,2cyclictest1506419-21systemd-run08:05:001
1434754991512,2cyclictest1487434-21sh07:50:011
1434754991512,2cyclictest1441033-21munin-node11:41:201
1434754991511,3cyclictest1739716-21unixbench_multi10:45:251
1434754991511,3cyclictest1475324-21cpuspeed_turbos07:40:141
143475399157,7cyclictest0-21swapper/010:25:100
143475399151,8cyclictest1290-21dbus-daemon08:05:010
143475399151,8cyclictest1290-21dbus-daemon08:05:010
1434753991512,2cyclictest1695711-21latency_hist10:20:010
1434753991512,2cyclictest1468408-21latency_hist07:35:000
1434753991511,3cyclictest1844065-21kthreadcore11:55:210
1434753991511,3cyclictest1509529-21kthreadcore08:05:180
1434753991511,3cyclictest1486754-21unixbench-2d07:45:260
1434753991511,3cyclictest1446665-21kthreadcore07:15:180
1434753991510,4cyclictest3834328-21sendmail-mta08:24:360
143475399150,10cyclictest3834332-21rtkit-daemon07:55:170
143475399150,10cyclictest3834332-21rtkit-daemon07:55:170
2649091141,2phc2sys0-21swapper/308:50:003
2649091140,4phc2sys0-21swapper/309:52:373
143475599149,3cyclictest0-21swapper/211:10:112
143475599147,3cyclictest0-21swapper/208:05:112
1434755991412,1cyclictest0-21swapper/211:40:162
1434755991411,1cyclictest0-21swapper/212:35:162
1434755991411,1cyclictest0-21swapper/212:25:422
1434755991411,1cyclictest0-21swapper/211:55:172
1434755991411,1cyclictest0-21swapper/211:25:192
1434755991411,1cyclictest0-21swapper/210:58:562
1434755991411,1cyclictest0-21swapper/210:45:142
1434755991411,1cyclictest0-21swapper/209:30:332
1434755991411,1cyclictest0-21swapper/209:25:172
1434755991411,1cyclictest0-21swapper/209:00:192
1434755991411,1cyclictest0-21swapper/208:00:002
1434755991411,1cyclictest0-21swapper/208:00:002
1434755991411,1cyclictest0-21swapper/207:15:142
1434755991410,2cyclictest0-21swapper/207:48:142
1434754991412,1cyclictest1849280-21/usr/sbin/munin12:00:121
1434754991411,2cyclictest3851704-21mta-sts-daemon11:29:251
1434754991411,2cyclictest1812600-21kthreadcore11:35:191
1434754991411,2cyclictest1692640-21kthreadcore10:15:201
1434754991411,2cyclictest1642399-21systemd09:45:001
1434754991411,2cyclictest1566670-21kthreadcore08:50:201
1434754991411,2cyclictest1548761-21kthreadcore08:35:181
1434754991411,2cyclictest1544191-21udisksd08:33:581
1434754991411,2cyclictest1496993-21kthreadcore07:55:191
1434754991411,2cyclictest1496993-21kthreadcore07:55:181
1434754991410,3cyclictest1650069-21kworker/u16:1+nfsiod10:09:331
1434754991410,3cyclictest1587936-21phc2sys-jitter09:05:211
1434754991410,3cyclictest1524099-21kthreadcore08:15:201
1434754991410,3cyclictest1473968-21switchtime07:35:251
1434754991410,3cyclictest1461104-21missed_timers07:25:231
143475399147,5cyclictest1571738-21tr08:55:190
143475399146,7cyclictest0-21swapper/011:05:250
143475399144,5cyclictest0-21swapper/009:55:120
143475399143,9cyclictest1534367-21tr08:25:190
143475399141,7cyclictest1462394-21munin-run07:30:020
1434753991411,2cyclictest3851698-21mta-sts-daemon07:20:020
1434753991411,2cyclictest1655650-21switchtime09:50:240
1434753991411,2cyclictest1434751-21cyclictest07:40:020
2649091136,3phc2sys0-21swapper/312:06:093
2649091134,2phc2sys0-21swapper/307:40:133
2649091133,2phc2sys0-21swapper/310:44:013
2649091130,4phc2sys0-21swapper/312:12:093
2649091130,4phc2sys0-21swapper/309:16:203
2649091130,4phc2sys0-21swapper/309:16:203
2649091130,2phc2sys0-21swapper/311:37:293
2649091130,2phc2sys0-21swapper/309:26:493
18870692130,2sleep30-21swapper/312:25:013
143475599139,2cyclictest0-21swapper/208:20:132
1434755991311,1cyclictest0-21swapper/211:55:012
1434755991311,1cyclictest0-21swapper/210:35:192
1434755991311,1cyclictest0-21swapper/209:15:192
1434755991311,1cyclictest0-21swapper/209:15:192
1434755991311,1cyclictest0-21swapper/209:15:022
1434755991311,1cyclictest0-21swapper/208:30:002
1434755991310,1cyclictest0-21swapper/212:01:192
1434755991310,1cyclictest0-21swapper/211:20:122
1434755991310,1cyclictest0-21swapper/210:20:002
1434755991310,1cyclictest0-21swapper/209:50:142
1434755991310,1cyclictest0-21swapper/208:31:062
1434755991310,1cyclictest0-21swapper/207:30:172
143475599130,5cyclictest0-21swapper/211:05:122
1434754991310,2cyclictest3851705-21mta-sts-daemon08:40:061
1434753991311,1cyclictest3851698-21mta-sts-daemon08:35:170
1434753991310,2cyclictest1576475-21aten_repower_fr09:00:130
2649091126,2phc2sys0-21swapper/307:55:143
2649091126,2phc2sys0-21swapper/307:55:143
2649091121,6phc2sys0-21swapper/311:45:113
2649091120,2phc2sys0-21swapper/311:22:373
2649091120,2phc2sys0-21swapper/309:49:573
2649091120,1phc2sys0-21swapper/310:15:553
143475599129,1cyclictest0-21swapper/210:10:222
143475599121,6cyclictest0-21swapper/208:45:002
1434755991210,1cyclictest0-21swapper/209:10:022
14286942121,5sleep20-21swapper/207:05:132
2649091113,1phc2sys0-21swapper/311:44:493
2649091111,3phc2sys0-21swapper/312:32:483
2649091111,3phc2sys0-21swapper/312:32:483
2649091110,2phc2sys0-21swapper/312:37:483
2649091110,2phc2sys0-21swapper/312:17:163
2649091110,2phc2sys0-21swapper/310:14:473
2649091110,1phc2sys0-21swapper/309:04:003
17645742110,4sleep30-21swapper/311:05:053
143475599113,4cyclictest0-21swapper/207:20:122
2649091102,2phc2sys0-21swapper/311:52:473
2649091101,4phc2sys0-21swapper/308:40:113
2649091101,2phc2sys0-21swapper/311:15:113
2649091101,2phc2sys0-21swapper/309:57:483
2649091101,2phc2sys0-21swapper/308:35:113
2649091101,2phc2sys0-21swapper/307:50:183
2649091101,1phc2sys0-21swapper/311:00:123
2649091100,2phc2sys0-21swapper/311:11:393
2649091100,2phc2sys0-21swapper/309:10:013
2649091100,2phc2sys0-21swapper/308:00:063
2649091100,2phc2sys0-21swapper/308:00:063
2649091100,2phc2sys0-21swapper/307:35:123
264909191,3phc2sys0-21swapper/310:00:133
264909191,3phc2sys0-21swapper/308:30:103
264909191,2phc2sys0-21swapper/312:25:193
264909191,2phc2sys0-21swapper/308:50:133
264909191,2phc2sys0-21swapper/308:10:013
264909191,2phc2sys0-21swapper/307:10:193
264909190,4phc2sys0-21swapper/307:15:123
264909190,2phc2sys0-21swapper/310:35:033
264909190,2phc2sys0-21swapper/308:20:173
264909190,2phc2sys0-21swapper/308:15:193
264909190,2phc2sys0-21swapper/308:10:143
264909190,2phc2sys0-21swapper/307:45:143
264909190,2phc2sys0-21swapper/307:30:153
264909180,2phc2sys0-21swapper/307:25:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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