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2026-08-03 - 08:50
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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 the 792 highest latencies:
System rackeslot4.osadl.org (updated Mon Aug 03, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1245018993725,3cyclictest1516608-21ls23:35:001
1245018993429,3cyclictest0-21swapper/121:35:001
1245020993226,4cyclictest3777322-21systemd-journal21:45:002
1245024993026,2cyclictest0-21swapper/319:10:163
1245024992826,1cyclictest0-21swapper/321:19:593
1245018992720,3cyclictest1342073-21apt-get20:45:131
124502099262,3cyclictest1476167-21apt-get22:55:142
124502099261,22cyclictest1537158-21apt-get23:55:122
124501899260,24cyclictest1465555-21taskset22:45:111
124502499251,21cyclictest1557485-21apt-get00:15:133
124502499251,21cyclictest1342558-21ps20:45:173
124502499251,21cyclictest1301128-21apt-get20:05:133
124502499251,21cyclictest0-21swapper/300:05:143
124502499251,20cyclictest1255497-21apt-get19:20:133
124502499250,21cyclictest0-21swapper/319:25:123
124502099252,3cyclictest1542264-21apt-get00:00:112
124502099250,4cyclictest1316090-21apt-config20:20:002
1245018992521,2cyclictest1245231-21apt-get19:10:131
1245018992519,4cyclictest1502088-21irqcore23:20:161
1245018992518,5cyclictest1578304-21sed00:35:191
124501899251,4cyclictest1486860-21sed23:05:161
124501899251,21cyclictest1496526-21taskset23:15:121
124501899251,21cyclictest1290987-21apt-get19:55:141
124501899251,20cyclictest1552428-21apt-get00:10:121
124501899251,20cyclictest0-21swapper/120:55:141
124501899250,23cyclictest1483500-21ps23:00:181
1245014992520,3cyclictest1430033-21apt-get22:10:110
1245014992520,3cyclictest1378072-21apt-get21:20:120
1245024992420,2cyclictest1393685-21apt-get21:35:133
124502499241,3cyclictest1470647-21apt-get22:50:123
124502499241,20cyclictest1352268-21apt-get20:55:143
124502499241,20cyclictest1270680-21apt-get19:35:113
124502499240,21cyclictest1532089-21apt-get23:50:133
1245020992414,2cyclictest0-21swapper/219:30:002
124502099241,3cyclictest1465552-21apt-get22:45:112
124502099241,2cyclictest1450342-21apt-get22:30:122
124502099241,20cyclictest0-21swapper/222:00:132
124502099241,20cyclictest0-21swapper/222:00:132
124502099240,22cyclictest1271057-21tail19:35:142
1245018992420,2cyclictest1260546-21apt-get19:25:131
124501899241,3cyclictest1440178-21apt-get22:20:121
124501899241,22cyclictest1-21systemd00:00:011
124501899241,21cyclictest1506688-21apt-get23:25:121
124501899241,21cyclictest0-21swapper/122:40:001
124501899241,20cyclictest0-21swapper/119:45:121
124501899240,21cyclictest0-21swapper/122:25:141
124501899240,20cyclictest0-21swapper/120:50:121
124501499242,2cyclictest1414399-21apt-get21:55:140
1245024992319,2cyclictest1521969-21apt-get23:40:113
1245024992319,2cyclictest1497007-21ps23:15:163
1245024992319,2cyclictest1250371-21apt-get19:15:123
1245024992319,2cyclictest0-21swapper/321:30:123
1245024992318,3cyclictest1326885-21apt-get20:30:133
124502499231,20cyclictest1567650-21apt-get00:25:123
124502499230,22cyclictest1286380-21grep19:50:173
124502499230,20cyclictest0-21swapper/320:25:133
1245020992321,1cyclictest0-21swapper/221:25:002
1245020992319,2cyclictest1316743-21apt-get20:20:112
1245020992318,3cyclictest1464323-21needreboot22:40:182
1245020992318,3cyclictest1331657-21sh20:35:002
124502099231,2cyclictest1547338-21apt-get00:05:132
124502099231,2cyclictest1321837-21apt-get20:25:132
124502099231,20cyclictest0-21swapper/221:40:002
124502099231,20cyclictest0-21swapper/221:05:132
124502099230,20cyclictest0-21swapper/222:25:142
1245018992318,3cyclictest1450832-21grep22:30:161
124501899231,2cyclictest1460481-21apt-get22:40:111
124501899231,2cyclictest0-21swapper/100:05:001
124501899230,20cyclictest1419467-21apt-get22:00:131
124501899230,20cyclictest1419467-21apt-get22:00:131
124501899230,20cyclictest0-21swapper/100:30:131
1245014992320,2cyclictest1357338-21apt-get21:00:130
1245014992318,4cyclictest1572457-21turbostat00:30:010
1245014992318,4cyclictest1316083-21true20:20:000
124501499231,20cyclictest1435105-21apt-get22:15:120
1245024992219,1cyclictest1506688-21apt-get23:25:123
1245024992219,1cyclictest0-21swapper/322:20:113
1245024992219,1cyclictest0-21swapper/321:55:133
1245024992219,1cyclictest0-21swapper/321:50:123
1245024992219,1cyclictest0-21swapper/319:30:133
124502499221,2cyclictest0-21swapper/323:30:123
124502499221,20cyclictest0-21swapper/320:20:003
124502499220,20cyclictest0-21swapper/322:05:123
124502499220,20cyclictest0-21swapper/321:45:133
124502499220,20cyclictest0-21swapper/321:45:123
124502499220,19cyclictest0-21swapper/323:00:133
124502499220,19cyclictest0-21swapper/300:20:103
1245020992220,1cyclictest0-21swapper/221:50:002
1245020992220,1cyclictest0-21swapper/221:49:592
1245020992219,1cyclictest0-21swapper/223:40:112
124502099221,20cyclictest0-21swapper/220:10:222
124502099220,20cyclictest1275726-21apt-get19:40:102
124502099220,20cyclictest0-21swapper/223:29:582
124502099220,20cyclictest0-21swapper/219:10:122
124502099220,20cyclictest0-21swapper/200:35:142
1245018992219,2cyclictest64-21kcompactd021:13:581
1245018992219,2cyclictest0-21swapper/121:00:111
1245018992219,2cyclictest0-21swapper/100:21:031
1245018992219,1cyclictest0-21swapper/120:20:171
1245018992218,2cyclictest1476170-21seq22:55:141
1245018992218,2cyclictest1377565-21grep21:19:591
124501899221,19cyclictest1265612-21apt-get19:30:131
124501899220,21cyclictest64-21kcompactd020:27:441
124501899220,19cyclictest0-21swapper/123:50:131
124501899220,19cyclictest0-21swapper/121:05:131
1245014992219,2cyclictest1577810-21apt-get00:35:150
1245014992219,2cyclictest1572721-21apt-get00:30:120
1245014992219,2cyclictest1527040-21apt-get23:45:120
1245014992219,2cyclictest1445274-21apt-get22:25:130
1245014992219,2cyclictest1250098-21cron19:15:010
124501499221,20cyclictest1255497-21apt-get19:20:120
124501499220,3cyclictest1368005-21grep21:10:160
124501499220,2cyclictest1517378-21tr23:35:160
124501499220,21cyclictest1409327-21apt-get21:50:130
1245024992119,1cyclictest0-21swapper/323:55:123
1245024992119,1cyclictest0-21swapper/323:22:273
1245024992118,2cyclictest1291472-21irqcore19:55:173
1245024992117,2cyclictest1306175-21apt-get20:10:123
1245024992115,4cyclictest1336725-21cron20:40:003
124502499211,1cyclictest0-21swapper/323:45:123
124502499211,1cyclictest0-21swapper/300:30:123
124502499211,19cyclictest0-21swapper/300:05:003
124502499210,20cyclictest0-21swapper/323:05:123
124502499210,20cyclictest0-21swapper/321:42:273
124502499210,20cyclictest0-21swapper/320:51:233
1245020992119,1cyclictest1424517-21apt-get22:05:132
1245020992119,1cyclictest0-21swapper/223:31:352
1245020992119,1cyclictest0-21swapper/221:15:112
1245020992119,1cyclictest0-21swapper/220:55:132
1245020992119,1cyclictest0-21swapper/220:35:482
1245020992119,1cyclictest0-21swapper/219:15:122
1245020992118,1cyclictest1433943-21ntpq22:10:202
1245020992118,1cyclictest0-21swapper/200:30:122
1245020992116,3cyclictest1383575-21taskset21:25:162
124502099211,1cyclictest0-21swapper/223:00:132
124502099211,1cyclictest0-21swapper/220:05:132
124502099210,2cyclictest0-21swapper/200:22:392
124502099210,20cyclictest64-21kcompactd023:53:052
124502099210,20cyclictest0-21swapper/220:40:172
124502099210,20cyclictest0-21swapper/219:50:122
124502099210,1cyclictest0-21swapper/223:35:112
124502099210,1cyclictest0-21swapper/200:15:142
124502099210,18cyclictest1280800-21apt-get19:45:122
1245018992119,1cyclictest0-21swapper/120:05:131
1245018992118,2cyclictest1408642-21idleruntime-cro21:50:001
1245018992118,2cyclictest1408642-21idleruntime-cro21:50:001
1245018992118,2cyclictest0-21swapper/121:20:121
1245018992117,3cyclictest1394638-21sed21:35:181
1245018992117,2cyclictest1340890-21ntpq20:40:211
1245018992115,4cyclictest1439147-21seq22:15:231
124501899211,1cyclictest0-21swapper/122:05:221
124501899210,2cyclictest0-21swapper/123:45:121
124501899210,1cyclictest0-21swapper/123:40:121
124501899210,19cyclictest0-21swapper/121:50:011
1245014992119,1cyclictest1383572-21apt-get21:25:160
1245014992119,1cyclictest1372574-21apt-get21:15:120
1245014992119,1cyclictest0-21swapper/022:55:140
1245014992119,1cyclictest0-21swapper/021:39:460
1245014992118,2cyclictest1469562-21gcc22:45:210
1245014992118,2cyclictest0-21swapper/023:30:120
1245014992117,3cyclictest1496523-21apt-get23:15:130
124501499210,20cyclictest1324047-21ps20:25:180
124501499210,20cyclictest0-21swapper/021:45:130
124501499210,20cyclictest0-21swapper/021:45:130
124501499210,20cyclictest0-21swapper/019:35:110
124501499210,20cyclictest0-21swapper/000:15:130
124501499210,20cyclictest0-21swapper/000:10:120
124501499210,1cyclictest1337000-21apt-get20:40:130
124501499210,18cyclictest0-21swapper/020:35:130
1245024992018,1cyclictest0-21swapper/320:40:133
1245024992018,1cyclictest0-21swapper/300:38:153
1245024992017,2cyclictest1372327-21basename21:15:003
1245024992017,2cyclictest0-21swapper/321:00:113
1245024992017,1cyclictest0-21swapper/322:15:113
1245024992015,3cyclictest3777322-21systemd-journal21:10:003
124502499200,1cyclictest0-21swapper/321:20:123
1245020992019,1cyclictest64-21kcompactd000:26:262
1245020992018,1cyclictest64-21kcompactd019:56:332
1245020992018,1cyclictest0-21swapper/222:50:122
1245020992018,1cyclictest0-21swapper/221:55:132
1245020992018,1cyclictest0-21swapper/220:00:182
1245020992017,1cyclictest0-21swapper/221:10:122
1245020992016,2cyclictest0-21swapper/221:00:112
124502099200,1cyclictest1495335-21ntpq23:10:212
124502099200,1cyclictest0-21swapper/222:15:152
124502099200,1cyclictest0-21swapper/219:21:372
124502099200,19cyclictest0-21swapper/222:20:122
124502099200,19cyclictest0-21swapper/221:51:032
124502099200,19cyclictest0-21swapper/221:30:212
1245018992018,1cyclictest0-21swapper/123:10:131
1245018992017,2cyclictest64-21kcompactd021:29:331
124501899200,1cyclictest0-21swapper/119:20:221
124501899200,1cyclictest0-21swapper/100:05:141
124501899200,19cyclictest64-21kcompactd020:14:181
1245014992018,1cyclictest0-21swapper/023:40:120
1245014992018,1cyclictest0-21swapper/022:35:120
1245014992016,3cyclictest514-21in:imuxsock00:09:590
1245014992016,3cyclictest1481751-21ps23:00:170
124501499200,2cyclictest1495608-21threads23:10:250
124501499200,1cyclictest0-21swapper/022:00:120
124501499200,1cyclictest0-21swapper/022:00:120
124501499200,1cyclictest0-21swapper/019:55:140
124501499200,1cyclictest0-21swapper/019:35:000
124501499200,1cyclictest0-21swapper/019:30:010
124501499200,19cyclictest0-21swapper/023:55:120
124501499200,19cyclictest0-21swapper/020:10:120
124501499200,19cyclictest0-21swapper/020:05:130
1245024991916,1cyclictest0-21swapper/320:00:133
1245024991915,2cyclictest1480992-21cron23:00:003
1245024991913,4cyclictest1455155-21turbostat22:35:003
1245020991917,1cyclictest64-21kcompactd023:20:502
1245020991915,2cyclictest1456362-21ps22:35:172
1245018991917,1cyclictest64-21kcompactd019:18:221
1245018991917,1cyclictest0-21swapper/120:00:131
1245018991915,2cyclictest1331932-21apt-get20:35:141
1245018991915,2cyclictest0-21swapper/100:25:131
124501899190,1cyclictest0-21swapper/119:36:401
1245014991918,1cyclictest0-21swapper/020:30:120
1245014991916,2cyclictest1362433-21apt-get21:05:130
1245014991916,2cyclictest1347173-21apt-get20:50:120
124501499190,1cyclictest0-21swapper/020:55:140
124501499190,1cyclictest0-21swapper/020:49:450
124501499190,18cyclictest0-21swapper/022:40:110
1245024991815,2cyclictest1460232-21awk22:40:003
1245024991815,2cyclictest1429337-21apt-get22:10:023
1245018991814,3cyclictest1472885-21kthreadcore22:50:171
1245014991816,1cyclictest0-21swapper/022:50:120
1245014991816,1cyclictest0-21swapper/022:05:130
1245014991813,4cyclictest1250374-21taskset19:15:120
124501499180,18cyclictest0-21swapper/000:00:110
1245024991715,1cyclictest0-21swapper/323:35:123
1245024991714,2cyclictest1318980-21kthreadcore20:20:173
1245024991713,3cyclictest1276215-21irqcore19:40:133
1245024991713,2cyclictest1496267-21idleruntime-cro23:15:003
1245020991715,1cyclictest0-21swapper/223:48:472
1245020991715,1cyclictest0-21swapper/223:17:362
1245018991715,1cyclictest0-21swapper/122:10:111
1245018991715,1cyclictest0-21swapper/100:15:401
1245018991713,3cyclictest0-21swapper/122:00:001
1245014991715,1cyclictest0-21swapper/023:05:110
1245014991715,1cyclictest0-21swapper/022:20:120
1245014991715,1cyclictest0-21swapper/019:40:110
1245014991714,2cyclictest0-21swapper/020:20:110
1245014991713,3cyclictest61650irq/133-enp0s29f1:rx-019:50:220
1245024991614,1cyclictest0-21swapper/319:45:153
1245024991614,1cyclictest0-21swapper/300:10:103
1245020991614,1cyclictest0-21swapper/220:50:122
1245020991613,2cyclictest1491176-21cron23:10:002
1245018991612,3cyclictest1288126-21kthreadcore19:50:181
1245018991612,2cyclictest0-21swapper/120:30:121
1245014991613,2cyclictest61650irq/133-enp0s29f1:rx-023:25:230
1245014991613,2cyclictest61650irq/133-enp0s29f1:rx-021:30:220
1245014991613,2cyclictest61650irq/133-enp0s29f1:rx-019:45:150
1245014991613,2cyclictest61650irq/133-enp0s29f1:rx-000:20:130
1245014991612,3cyclictest61650irq/133-enp0s29f1:rx-023:50:210
1245014991612,3cyclictest61650irq/133-enp0s29f1:rx-022:30:250
1245020991512,1cyclictest0-21swapper/219:30:132
1245018991513,1cyclictest64-21kcompactd023:39:071
1245014991513,1cyclictest0-21swapper/020:00:130
1245014991511,2cyclictest61650irq/133-enp0s29f1:rx-023:20:110
1245024991412,1cyclictest0-21swapper/322:45:113
1245024991410,2cyclictest0-21swapper/322:05:003
1245024991410,2cyclictest0-21swapper/322:05:003
1245020991410,3cyclictest1552911-21irqcore00:10:152
1245018991413,1cyclictest0-21swapper/120:15:211
1245018991412,1cyclictest0-21swapper/119:40:101
124502499126,5cyclictest1464555-21awk22:40:233
1245020991210,1cyclictest0-21swapper/220:45:132
124501899121,9cyclictest1244936-21latency_hist19:10:011
124502499117,2cyclictest1244936-21latency_hist19:10:013
124502099110,10cyclictest1245150-21cat19:10:012
124501899118,2cyclictest0-21swapper/121:40:161
124502499107,2cyclictest13844872sleep321:25:223
12450249995,3cyclictest491ktimers/322:25:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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