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2026-05-24 - 08:16
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 all highest latencies:
System rackeslot4.osadl.org (updated Sun May 24, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
128289399310,2cyclictest1420364-21basename21:25:002
128289399300,21cyclictest1456914-21cut22:00:172
128289399291,2cyclictest1360052-21ps20:25:162
128289399281,24cyclictest0-21swapper/200:25:122
128289899271,24cyclictest1416044-21irqcore21:20:153
128289399270,26cyclictest64-21kcompactd021:26:192
128289399270,19cyclictest0-21swapper/221:45:152
128289899262,20cyclictest1405459-21apt-get21:10:133
128289899261,21cyclictest1506954-21apt-get22:50:113
128289399261,22cyclictest0-21swapper/200:15:132
128288499261,5cyclictest3777322-21systemd-journal22:39:590
128289899252,3cyclictest1486737-21apt-get22:30:113
128289899252,20cyclictest1461487-21apt-get22:05:133
1282893992519,5cyclictest0-21swapper/223:47:082
1282893992519,5cyclictest0-21swapper/220:50:122
128289399251,21cyclictest1405960-21grep21:10:172
128289399250,22cyclictest1495657-21ntpq22:35:192
128289399250,1cyclictest0-21swapper/222:10:122
1282884992521,2cyclictest1318648-21apt-get19:45:140
1282884992520,3cyclictest1583342-21apt-get00:05:120
128288499251,21cyclictest1415560-21apt-get21:20:110
1282898992420,2cyclictest1293330-21apt-get19:20:113
1282898992419,3cyclictest0-21swapper/321:05:123
1282898992418,3cyclictest1552518-21apt-get23:35:123
128289899241,20cyclictest1410503-21apt-get21:15:123
128289899241,20cyclictest0-21swapper/321:35:113
128289899240,20cyclictest0-21swapper/300:35:133
1282893992418,5cyclictest0-21swapper/222:55:222
1282893992418,4cyclictest1359276-21cron20:25:002
1282893992417,6cyclictest1486465-21sh22:30:002
1282888992420,2cyclictest1435824-21apt-get21:40:121
1282888992420,2cyclictest1400425-21apt-get21:05:131
1282888992420,2cyclictest1339289-21apt-get20:05:111
128288899241,21cyclictest1348291-21ntpq20:10:201
128288899241,21cyclictest0-21swapper/119:15:131
128288899240,22cyclictest1516788-21idleruntime-cro23:00:001
1282884992419,3cyclictest3777322-21systemd-journal19:54:590
1282884992419,3cyclictest1613909-21cron00:35:010
1282884992419,3cyclictest1577560-21cron00:00:000
128288499241,3cyclictest1522118-21apt-get23:05:110
128288499241,21cyclictest3777322-21systemd-journal19:39:590
128288499241,21cyclictest1440858-21apt-get21:45:160
128288499241,21cyclictest1303462-21apt-get19:30:120
128288499240,22cyclictest1455997-21latency_hist22:00:010
1282898992319,2cyclictest1384814-21apt-get20:50:123
128289899231,21cyclictest0-21swapper/300:30:123
128289399233,11cyclictest1308255-21awk19:34:592
1282893992319,3cyclictest0-21swapper/222:54:592
1282893992319,2cyclictest0-21swapper/200:20:132
1282893992318,3cyclictest1374421-21cron20:40:002
128289399231,2cyclictest1379759-21apt-get20:45:122
128289399231,2cyclictest1308515-21apt-get19:35:122
128289399231,2cyclictest0-21swapper/223:35:132
128289399231,20cyclictest0-21swapper/222:40:122
128289399230,21cyclictest1477577-21ps22:20:172
128289399230,20cyclictest0-21swapper/221:55:122
128289399230,20cyclictest0-21swapper/200:10:132
128288899232,20cyclictest1354457-21apt-get20:20:131
128288899231,2cyclictest1-21systemd23:34:591
128288899231,21cyclictest0-21swapper/100:05:121
1282884992320,2cyclictest3777322-21systemd-journal22:09:590
1282884992319,2cyclictest1365079-21ps20:30:160
1282884992319,2cyclictest1283124-21apt-get19:10:110
1282884992319,2cyclictest0-21swapper/020:15:000
128288499231,2cyclictest1604031-21apt-get00:25:130
128288499231,20cyclictest1567707-21apt-get23:50:130
128288499231,20cyclictest1517063-21apt-get23:00:120
128288499231,20cyclictest1445885-21apt-get21:50:110
128288499230,3cyclictest1385305-21sort20:50:160
128288499230,21cyclictest1395870-21grep21:00:150
128288499230,21cyclictest1359556-21apt-get20:25:120
1282898992219,2cyclictest1573254-21ps23:55:173
1282898992219,2cyclictest0-21swapper/319:17:493
128289899221,1cyclictest0-21swapper/322:00:133
128289899220,2cyclictest0-21swapper/322:25:133
128289899220,21cyclictest1501626-21basename22:45:003
128289899220,20cyclictest0-21swapper/320:10:113
128289899220,19cyclictest0-21swapper/321:45:153
1282893992219,2cyclictest0-21swapper/223:00:122
1282893992219,2cyclictest0-21swapper/220:40:122
1282893992219,2cyclictest0-21swapper/220:40:112
1282893992219,1cyclictest0-21swapper/219:10:112
1282893992218,2cyclictest1440588-21latency_hist21:45:012
1282893992217,4cyclictest64-21kcompactd020:07:162
1282893992217,3cyclictest1547142-21awk23:30:002
128289399220,19cyclictest0-21swapper/221:00:102
128289399220,19cyclictest0-21swapper/220:30:112
1282888992219,2cyclictest1369374-21idleruntime-cro20:35:011
1282888992219,2cyclictest0-21swapper/122:25:131
1282888992218,2cyclictest1572758-21apt-get23:55:121
1282888992217,3cyclictest1349400-21apt-get20:15:141
128288899221,20cyclictest0-21swapper/119:35:121
128288899220,21cyclictest0-21swapper/121:20:111
128288899220,20cyclictest1313570-21apt-get19:40:131
1282884992220,1cyclictest1374704-21apt-get20:40:120
1282884992220,1cyclictest1374704-21apt-get20:40:110
1282884992219,2cyclictest64-21kcompactd020:20:430
1282884992219,2cyclictest1558098-21tr23:40:170
128288499221,20cyclictest0-21swapper/000:35:140
128288499220,2cyclictest3777322-21systemd-journal21:35:010
128288499220,2cyclictest0-21swapper/023:10:120
128288499220,2cyclictest0-21swapper/022:55:130
128288499220,21cyclictest0-21swapper/023:48:460
128288499220,20cyclictest1542835-21ps23:25:160
1282898992119,1cyclictest0-21swapper/323:30:143
1282898992119,1cyclictest0-21swapper/321:50:113
1282898992119,1cyclictest0-21swapper/320:45:113
1282898992119,1cyclictest0-21swapper/300:12:583
1282898992118,2cyclictest64-21kcompactd020:27:103
128289899210,20cyclictest1537030-21munin-run23:20:003
128289899210,20cyclictest1537030-21munin-run23:19:593
128289899210,20cyclictest0-21swapper/319:53:183
128289899210,1cyclictest0-21swapper/319:45:133
128289399219,2cyclictest1476364-21idleruntime-cro22:20:002
1282893992119,1cyclictest0-21swapper/223:05:112
1282893992119,1cyclictest0-21swapper/220:10:202
1282893992118,1cyclictest0-21swapper/223:20:122
1282893992117,2cyclictest3777322-21systemd-journal00:37:262
1282893992117,2cyclictest1583342-21apt-get00:05:112
1282893992117,2cyclictest0-21swapper/219:50:132
1282893992116,4cyclictest3777322-21systemd-journal21:00:012
1282893992115,4cyclictest1425714-21apt-get21:30:102
1282893992114,6cyclictest0-21swapper/223:40:132
128289399211,1cyclictest1577841-21apt-get00:00:112
1282888992119,1cyclictest0-21swapper/123:45:131
1282888992119,1cyclictest0-21swapper/123:18:401
1282888992119,1cyclictest0-21swapper/123:18:391
1282888992119,1cyclictest0-21swapper/123:09:591
1282888992119,1cyclictest0-21swapper/122:05:131
1282888992119,1cyclictest0-21swapper/120:40:121
1282888992119,1cyclictest0-21swapper/120:40:111
1282888992118,2cyclictest1521866-21awk23:05:001
1282888992118,2cyclictest1472525-21kthreadcore22:15:181
1282888992118,2cyclictest1328548-21idleruntime-cro19:54:591
1282888992118,2cyclictest0-21swapper/122:35:151
128288899211,1cyclictest1496845-21apt-get22:40:111
128288899210,20cyclictest1455720-21munin-run22:00:011
128288899210,20cyclictest0-21swapper/123:42:191
128288899210,20cyclictest0-21swapper/123:10:121
128288899210,20cyclictest0-21swapper/122:12:001
128288899210,20cyclictest0-21swapper/121:35:111
128288899210,20cyclictest0-21swapper/100:10:031
128288899210,1cyclictest1369649-21apt-get20:35:101
1282884992119,1cyclictest0-21swapper/023:35:130
1282884992119,1cyclictest0-21swapper/023:20:120
1282884992119,1cyclictest0-21swapper/022:00:140
1282884992119,1cyclictest0-21swapper/019:20:300
1282884992117,1cyclictest0-21swapper/020:55:120
128288499210,2cyclictest1603748-21cron00:25:010
128288499210,2cyclictest1486486-21sleep22:30:000
128288499210,2cyclictest0-21swapper/021:15:130
128288499210,2cyclictest0-21swapper/019:28:020
128288499210,20cyclictest64-21kcompactd021:06:560
128288499210,20cyclictest0-21swapper/022:15:460
128288499210,20cyclictest0-21swapper/000:15:140
128288499210,20cyclictest0-21swapper/000:10:160
128288499210,1cyclictest0-21swapper/019:55:590
1282898992018,1cyclictest0-21swapper/322:45:143
1282898992017,2cyclictest0-21swapper/323:00:113
1282898992016,2cyclictest0-21swapper/300:00:113
128289899200,2cyclictest64-21kcompactd023:12:453
128289899200,1cyclictest0-21swapper/322:35:213
128289899200,1cyclictest0-21swapper/321:40:123
128289899200,1cyclictest0-21swapper/321:34:213
128289899200,19cyclictest0-21swapper/323:50:133
128289899200,19cyclictest0-21swapper/320:21:473
128289899200,19cyclictest0-21swapper/319:25:123
1282893992018,1cyclictest64-21kcompactd019:15:072
1282893992018,1cyclictest1504110-21ps22:45:202
1282893992018,1cyclictest0-21swapper/220:18:352
1282893992017,1cyclictest0-21swapper/223:55:122
1282893992017,1cyclictest0-21swapper/221:35:112
1282893992015,3cyclictest0-21swapper/223:15:142
1282893992015,3cyclictest0-21swapper/223:15:132
128289399200,1cyclictest0-21swapper/222:30:132
128289399200,1cyclictest0-21swapper/219:20:112
1282888992018,1cyclictest0-21swapper/122:00:141
1282888992018,1cyclictest0-21swapper/121:50:111
1282888992018,1cyclictest0-21swapper/121:49:581
1282888992018,1cyclictest0-21swapper/121:15:121
1282888992018,1cyclictest0-21swapper/120:00:131
1282888992017,2cyclictest1602898-21/usr/sbin/munin00:20:231
1282888992017,2cyclictest0-21swapper/122:20:121
1282888992016,3cyclictest1502833-21kthreadcore22:45:201
128288899200,1cyclictest0-21swapper/119:45:131
128288899200,1cyclictest0-21swapper/100:35:181
128288899200,1cyclictest0-21swapper/100:00:111
1282884992018,1cyclictest64-21kcompactd021:42:590
1282884992016,2cyclictest1338634-21unin-run20:05:010
128288499200,1cyclictest0-21swapper/021:13:240
128288499200,1cyclictest0-21swapper/020:16:250
128288499200,19cyclictest0-21swapper/023:17:350
128288499200,19cyclictest0-21swapper/023:17:340
1282898991918,1cyclictest64-21kcompactd019:37:423
1282898991918,1cyclictest0-21swapper/322:10:163
1282898991917,1cyclictest0-21swapper/320:32:013
1282898991917,1cyclictest0-21swapper/319:42:323
1282898991916,2cyclictest0-21swapper/320:00:123
1282893991917,1cyclictest1338618-21http20:05:012
1282893991917,1cyclictest0-21swapper/200:34:272
1282893991915,3cyclictest64-21kcompactd019:43:372
1282893991915,2cyclictest1527172-21apt-get23:10:122
1282893991914,4cyclictest0-21swapper/219:55:132
1282888991918,1cyclictest0-21swapper/122:50:111
1282888991918,1cyclictest0-21swapper/122:30:131
1282888991918,1cyclictest0-21swapper/100:30:101
1282888991917,1cyclictest0-21swapper/120:54:021
128288899190,19cyclictest64-21kcompactd023:52:001
1282884991917,1cyclictest64-21kcompactd020:39:310
1282884991917,1cyclictest0-21swapper/021:35:110
1282884991917,1cyclictest0-21swapper/000:00:120
128288499190,1cyclictest0-21swapper/022:54:270
1282898991816,1cyclictest0-21swapper/320:37:223
1282898991815,2cyclictest1354180-21basename20:20:003
1282898991814,2cyclictest0-21swapper/322:00:013
1282898991812,4cyclictest1598620-21sshd00:19:063
1282893991816,1cyclictest0-21swapper/223:50:132
1282893991815,2cyclictest1298408-21apt-get19:25:122
128289399180,3cyclictest1415303-21awk21:20:002
128289399180,13cyclictest0-21swapper/223:30:192
1282888991818,0cyclictest0-21swapper/120:55:161
1282888991816,1cyclictest0-21swapper/121:10:121
1282888991816,1cyclictest0-21swapper/120:49:441
1282888991816,1cyclictest0-21swapper/119:55:121
1282888991815,2cyclictest0-21swapper/120:25:111
1282888991814,3cyclictest1298899-21sort19:25:161
128288899180,1cyclictest0-21swapper/121:35:001
1282884991815,2cyclictest1292205-21ntpq19:15:230
1282884991814,2cyclictest1420637-21apt-get21:25:130
1282898991715,1cyclictest0-21swapper/321:25:463
1282898991715,1cyclictest0-21swapper/319:30:213
1282898991715,1cyclictest0-21swapper/319:13:313
1282898991714,2cyclictest1537284-21apt-get23:20:123
1282898991714,1cyclictest1328802-21apt-get19:55:133
128289399176,4cyclictest1462046-21sed22:05:172
128289399173,4cyclictest3777322-21systemd-journal21:10:002
1282884991714,1cyclictest0-21swapper/022:45:000
1282884991713,3cyclictest61650irq/133-enp0s29f1:rx-020:45:110
1282884991713,2cyclictest0-21swapper/022:50:000
128288499170,16cyclictest0-21swapper/022:24:530
1282898991614,1cyclictest0-21swapper/323:40:123
1282898991613,2cyclictest1563147-21irqcore23:45:173
1282898991613,2cyclictest1344075-21cron20:10:003
1282893991614,1cyclictest0-21swapper/219:45:132
1282888991614,1cyclictest1306064-21kthreadcore19:30:181
1282888991614,1cyclictest0-21swapper/100:30:011
1282884991612,3cyclictest61650irq/133-enp0s29f1:rx-023:30:130
1282884991611,3cyclictest61650irq/133-enp0s29f1:rx-022:30:130
128289899159,4cyclictest1471534-21sshd22:15:043
1282898991513,1cyclictest0-21swapper/322:55:133
128289899150,2cyclictest1547155-21turbostat23:30:003
1282888991514,1cyclictest0-21swapper/121:04:471
1282888991511,3cyclictest0-21swapper/121:25:131
1282884991512,2cyclictest1471290-21cron22:15:000
1282898991412,1cyclictest0-21swapper/300:25:013
1282898991411,2cyclictest1479606-21kthreadcore22:20:183
1282898991410,2cyclictest0-21swapper/320:40:163
1282898991410,2cyclictest0-21swapper/320:40:153
128289899139,2cyclictest0-21swapper/323:05:153
1282898991310,2cyclictest1395435-21cpuspeed_turbos21:00:113
1282888991310,2cyclictest301rcuc/123:20:231
1282888991310,2cyclictest1552811-21gltestperf23:35:151
1282888991310,2cyclictest1286926-21missed_timers19:10:171
128288899130,5cyclictest12948741kthreadcore19:20:171
128289399128,2cyclictest0-21swapper/221:50:132
1282884991210,1cyclictest0-21swapper/019:40:130
128289899117,3cyclictest1390572-21cut20:55:143
128289899110,3cyclictest1282911-21cat19:10:013
128289399118,1cyclictest0-21swapper/219:10:012
128288899118,2cyclictest0-21swapper/123:25:211
128288899116,4cyclictest1282892-21wc19:10:011
128288499118,2cyclictest61650irq/133-enp0s29f1:rx-020:05:110
128288499111,2cyclictest1282831-21latency_hist19:10:010
12828889993,4cyclictest1594080-21df_inode00:15:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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