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2026-07-23 - 12:33
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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 Thu Jul 23, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
116819399321,29cyclictest1245001-21apt-get20:25:130
1168193993118,2cyclictest1250093-21apt-get20:30:130
1168195992925,2cyclictest0-21swapper/120:40:121
116820399271,22cyclictest1367380-21apt-get22:25:123
116819899270,24cyclictest1460876-21seq00:05:142
116820399261,21cyclictest1239905-21apt-get20:20:103
116819599261,21cyclictest1424898-21apt-get23:30:131
116819599260,23cyclictest1183653-21seq19:25:121
116819599260,23cyclictest1183653-21seq19:25:121
116820399251,21cyclictest1455755-21apt-get00:00:103
116820399251,20cyclictest1214098-21apt-get19:55:133
116820399250,23cyclictest1183366-21cron19:25:003
1168198992521,2cyclictest1265408-21apt-get20:45:092
1168198992520,3cyclictest1373689-21apt-get22:40:102
116819899251,21cyclictest1188719-21apt-get19:30:122
116819599252,20cyclictest1285665-21apt-get21:05:181
116819599251,22cyclictest1475971-21ntpq00:20:201
116819599251,21cyclictest1316572-21apt-get21:35:131
1168203992418,4cyclictest1189207-21grep19:30:163
116820399241,21cyclictest1486982-21cron00:35:003
116820399241,20cyclictest1445592-21apt-get23:50:123
116820399241,20cyclictest1229317-21apt-get20:10:123
116820399241,19cyclictest1342009-21apt-get22:00:123
116820399241,19cyclictest0-21swapper/321:10:123
116820399240,22cyclictest1260803-21irqcore20:40:163
1168198992420,3cyclictest1234836-21apt-get20:15:122
1168198992418,4cyclictest1372794-21sh22:35:002
116819899241,3cyclictest1414711-21apt-get23:20:132
116819899241,21cyclictest1275279-21sh20:55:002
116819899241,20cyclictest0-21swapper/220:35:132
1168195992420,2cyclictest1477091-21apt-get00:25:101
1168195992420,2cyclictest1326731-21apt-get21:45:111
1168195992419,3cyclictest1193789-21apt-get19:35:131
116819599241,20cyclictest1482183-21apt-get00:30:111
116819599241,20cyclictest1357190-21apt-get22:15:101
116819599241,20cyclictest0-21swapper/122:30:021
116819599240,23cyclictest1336918-21taskset21:55:121
116819599240,21cyclictest0-21swapper/121:00:111
1168193992419,3cyclictest1487255-21apt-get00:35:120
116819399241,2cyclictest1255209-21apt-get20:35:140
1168203992319,2cyclictest1383801-21apt-get22:50:133
1168203992319,2cyclictest1209039-21apt-get19:50:113
116820399231,20cyclictest0-21swapper/319:35:133
116820399231,19cyclictest1466958-21apt-get00:15:113
116820399231,19cyclictest0-21swapper/320:35:173
116820399231,19cyclictest0-21swapper/320:25:133
116820399230,20cyclictest0-21swapper/321:55:133
116820399230,20cyclictest0-21swapper/321:50:113
116820399230,20cyclictest0-21swapper/321:30:133
116820399230,19cyclictest0-21swapper/321:25:123
1168198992319,3cyclictest1404522-21apt-get23:10:122
1168198992319,2cyclictest1346813-21cron22:05:012
1168198992319,2cyclictest0-21swapper/221:55:132
1168198992319,2cyclictest0-21swapper/200:25:112
116819899231,2cyclictest1306387-21apt-get21:25:122
116819899231,19cyclictest0-21swapper/221:00:122
116819899231,19cyclictest0-21swapper/200:30:112
116819899230,3cyclictest1435202-21cron23:39:592
116819899230,21cyclictest1213810-21cron19:55:002
116819899230,20cyclictest0-21swapper/219:40:122
1168195992319,2cyclictest1311480-21apt-get21:30:141
1168195992319,2cyclictest1198885-21apt-get19:40:121
1168195992318,3cyclictest1301317-21apt-get21:20:131
1168195992317,5cyclictest1456257-21cut00:00:151
116819599231,2cyclictest1430413-21apt-get23:35:121
116819599231,2cyclictest1255209-21apt-get20:35:131
116819599231,2cyclictest1219162-21apt-get20:00:111
116819599231,21cyclictest1310500-21/usr/sbin/munin21:25:241
116819599230,20cyclictest0-21swapper/123:25:131
116819599230,20cyclictest0-21swapper/123:05:111
116819599230,20cyclictest0-21swapper/122:40:101
116819599230,20cyclictest0-21swapper/120:05:131
116819599230,20cyclictest0-21swapper/119:55:131
116819599230,20cyclictest0-21swapper/100:15:111
1168193992318,3cyclictest1209522-21ps19:50:160
116819399231,2cyclictest1280589-21apt-get21:00:110
116819399231,2cyclictest0-21swapper/000:15:100
116819399231,20cyclictest1454663-21ntpq23:55:220
116819399231,20cyclictest1409618-21apt-get23:15:150
116819399231,20cyclictest1296223-21apt-get21:15:130
116820399221,20cyclictest1454636-21ntpq23:55:233
116820399221,19cyclictest0-21swapper/321:40:123
116820399220,21cyclictest0-21swapper/323:20:003
116820399220,20cyclictest1301079-21unin-run21:20:003
116820399220,20cyclictest1289375-21sed21:05:243
116820399220,20cyclictest1188437-21sh19:30:003
116820399220,20cyclictest1188437-21sh19:30:003
116820399220,20cyclictest0-21swapper/320:30:133
116820399220,19cyclictest0-21swapper/300:25:113
1168198992220,1cyclictest0-21swapper/223:40:142
1168198992219,2cyclictest1223043-21ntpq20:00:202
1168198992218,2cyclictest1321662-21apt-get21:40:122
116819899220,3cyclictest1240401-21ps20:20:142
116819899220,2cyclictest0-21swapper/219:45:142
116819899220,20cyclictest1315919-21/usr/sbin/munin21:30:282
116819899220,20cyclictest0-21swapper/220:30:122
116819899220,20cyclictest0-21swapper/220:10:132
1168195992219,2cyclictest0-21swapper/121:10:021
1168195992219,1cyclictest0-21swapper/122:20:121
116819599221,2cyclictest0-21swapper/120:10:121
116819599221,1cyclictest1275548-21apt-get20:55:121
116819599220,3cyclictest1388844-21/usr/sbin/munin22:55:181
116819599220,2cyclictest1239648-21munin-run20:19:591
116819599220,20cyclictest1189202-21ps19:30:151
116819599220,20cyclictest0-21swapper/122:50:131
116819599220,19cyclictest0-21swapper/123:55:121
116819599220,19cyclictest0-21swapper/121:50:121
116819599220,19cyclictest0-21swapper/121:40:121
116819599220,19cyclictest0-21swapper/120:20:101
116819599220,19cyclictest0-21swapper/119:10:121
1168193992219,2cyclictest1224235-21apt-get20:05:130
116819399221,20cyclictest1424898-21apt-get23:30:130
116819399220,20cyclictest1193514-21turbostat19:34:590
1168203992118,2cyclictest0-21swapper/320:00:123
1168203992118,2cyclictest0-21swapper/319:40:133
1168203992117,2cyclictest1461357-21ps00:05:183
1168203992117,2cyclictest0-21swapper/323:45:123
1168203992117,2cyclictest0-21swapper/321:45:133
1168203992116,4cyclictest1270484-21apt-get20:50:163
116820399211,1cyclictest0-21swapper/319:45:143
116820399211,19cyclictest0-21swapper/323:35:123
116820399210,2cyclictest64-21kcompactd023:23:153
116820399210,20cyclictest0-21swapper/323:10:223
116820399210,20cyclictest0-21swapper/320:55:203
116820399210,1cyclictest0-21swapper/320:45:093
116820399210,19cyclictest0-21swapper/320:05:133
116820399210,19cyclictest0-21swapper/319:10:123
116819899211,19cyclictest0-21swapper/219:20:122
116819899210,2cyclictest1476846-21idleruntime-cro00:24:592
116819899210,20cyclictest64-21kcompactd000:12:442
116819899210,20cyclictest1362781-21ps22:20:162
116819899210,20cyclictest1248936-21kworker/u8:0+ext4-rsv-conversion21:10:222
116819899210,20cyclictest0-21swapper/223:15:142
116819899210,1cyclictest0-21swapper/223:45:132
116819899210,1cyclictest0-21swapper/221:51:522
116819899210,19cyclictest0-21swapper/223:00:132
1168195992119,1cyclictest1356061-21ntpq22:10:221
1168195992119,1cyclictest0-21swapper/123:51:451
1168195992118,2cyclictest64-21kcompactd000:10:011
1168195992118,2cyclictest1250254-21taskset20:30:141
116819599211,1cyclictest0-21swapper/100:05:141
116819599210,19cyclictest1296226-21chrt21:15:121
116819599210,18cyclictest0-21swapper/119:50:111
1168193992119,1cyclictest0-21swapper/023:35:120
1168193992119,1cyclictest0-21swapper/023:05:110
1168193992119,1cyclictest0-21swapper/023:00:140
1168193992118,2cyclictest1331551-21idleruntime-cro21:50:000
116819399211,1cyclictest1331822-21apt-get21:50:110
116819399211,1cyclictest0-21swapper/020:20:100
116819399210,3cyclictest1465623-21ls00:09:590
116819399210,2cyclictest0-21swapper/021:10:120
116819399210,20cyclictest1405019-21ps23:10:160
116819399210,20cyclictest0-21swapper/021:20:120
116819399210,20cyclictest0-21swapper/019:15:130
1168203992018,1cyclictest0-21swapper/323:05:123
1168203992018,1cyclictest0-21swapper/322:20:123
1168203992017,2cyclictest0-21swapper/322:50:003
1168203992016,2cyclictest1352125-21apt-get22:10:143
116820399200,1cyclictest0-21swapper/321:35:123
116820399200,1cyclictest0-21swapper/300:35:123
1168198992018,1cyclictest64-21kcompactd023:31:522
1168198992018,1cyclictest0-21swapper/200:15:112
1168198992017,2cyclictest1184148-21sed19:25:162
1168198992017,2cyclictest1184148-21sed19:25:162
1168198992016,2cyclictest1450658-21apt-get23:55:142
116819899200,1cyclictest0-21swapper/221:20:122
116819899200,1cyclictest0-21swapper/221:05:182
116819899200,19cyclictest0-21swapper/221:15:142
116819899200,19cyclictest0-21swapper/220:27:282
1168195992018,1cyclictest0-21swapper/122:28:251
1168195992017,1cyclictest0-21swapper/122:45:141
116819599200,1cyclictest0-21swapper/123:15:451
116819599200,1cyclictest0-21swapper/122:00:111
116819599200,19cyclictest0-21swapper/123:20:221
1168193992018,1cyclictest1336915-21apt-get21:55:130
1168193992018,1cyclictest1233228-21ntpq20:10:200
1168193992018,1cyclictest1203974-21apt-get19:45:120
1168193992018,1cyclictest0-21swapper/023:40:130
1168193992018,1cyclictest0-21swapper/022:40:100
1168193992018,1cyclictest0-21swapper/022:13:220
1168193992018,1cyclictest0-21swapper/021:30:220
1168193992017,2cyclictest0-21swapper/023:20:130
1168193992017,2cyclictest0-21swapper/020:50:150
116819399200,1cyclictest1320519-21ntpq21:35:220
116819399200,1cyclictest0-21swapper/023:48:000
116819399200,1cyclictest0-21swapper/021:25:120
116819399200,1cyclictest0-21swapper/019:25:110
116819399200,1cyclictest0-21swapper/019:25:110
116819399200,19cyclictest0-21swapper/020:00:120
116819399200,19cyclictest0-21swapper/019:35:130
116819399200,19cyclictest0-21swapper/019:20:110
1168203991917,1cyclictest0-21swapper/323:25:143
1168203991915,3cyclictest0-21swapper/322:35:003
1168198991917,1cyclictest0-21swapper/222:10:142
1168198991917,1cyclictest0-21swapper/220:55:122
1168198991917,1cyclictest0-21swapper/220:40:122
1168198991917,1cyclictest0-21swapper/219:35:132
116819899190,1cyclictest0-21swapper/222:05:122
116819899190,1cyclictest0-21swapper/222:05:122
1168195991917,1cyclictest0-21swapper/122:05:121
1168195991917,1cyclictest0-21swapper/122:05:121
1168195991916,2cyclictest1274415-21ntpq20:50:241
1168193991918,0cyclictest0-21swapper/022:15:110
1168193991917,1cyclictest64-21kcompactd023:54:580
1168193991917,1cyclictest1269287-21ntpq20:45:170
1168193991917,1cyclictest1214588-21tr19:55:170
1168193991917,1cyclictest0-21swapper/019:40:130
1168193991917,1cyclictest0-21swapper/000:00:110
1168203991817,1cyclictest0-21swapper/321:03:293
1168203991816,1cyclictest0-21swapper/323:40:143
1168203991816,1cyclictest0-21swapper/323:30:133
1168203991816,1cyclictest0-21swapper/323:00:223
1168203991814,2cyclictest1347078-21apt-get22:05:123
1168203991814,2cyclictest1347078-21apt-get22:05:123
1168198991817,1cyclictest0-21swapper/219:10:352
1168198991815,2cyclictest0-21swapper/219:15:132
1168198991815,1cyclictest0-21swapper/223:25:132
1168198991814,3cyclictest1383536-21basename22:50:002
1168198991814,2cyclictest1316575-21chrt21:35:132
1168195991816,1cyclictest1440526-21apt-get23:45:131
1168195991814,3cyclictest1178300-21idleruntime-cro19:20:001
1168193991817,0cyclictest0-21swapper/022:45:230
1168193991813,3cyclictest1388589-21cron22:55:000
1168203991715,1cyclictest0-21swapper/320:15:123
1168198991715,1cyclictest0-21swapper/222:15:102
1168198991715,1cyclictest0-21swapper/219:55:132
1168198991715,1cyclictest0-21swapper/200:00:162
1168198991714,2cyclictest0-21swapper/200:35:172
1168198991713,2cyclictest0-21swapper/220:05:172
1168198991712,3cyclictest1403838-21awk23:10:002
1168193991715,1cyclictest0-21swapper/021:05:180
1168193991714,2cyclictest61650irq/133-enp0s29f1:rx-022:20:200
1168193991713,3cyclictest61650irq/133-enp0s29f1:rx-021:40:130
1168193991713,3cyclictest61650irq/133-enp0s29f1:rx-020:15:220
1168193991712,4cyclictest1466686-21cron00:14:590
1168203991614,1cyclictest0-21swapper/319:15:133
1168195991614,1cyclictest0-21swapper/119:45:131
1168195991612,2cyclictest1435482-21apt-get23:40:131
1168193991615,1cyclictest64-21kcompactd020:42:310
1168193991614,1cyclictest1419803-21apt-get23:25:120
1168198991511,2cyclictest0-21swapper/223:50:162
1168195991513,1cyclictest0-21swapper/123:10:121
1168195991513,1cyclictest0-21swapper/123:01:461
1168193991514,1cyclictest0-21swapper/022:05:120
1168193991514,1cyclictest0-21swapper/022:05:120
1168203991413,1cyclictest64-21kcompactd022:42:573
1168203991410,2cyclictest0-21swapper/322:55:143
1168203991410,2cyclictest0-21swapper/322:15:153
1168198991412,1cyclictest1392638-21/usr/sbin/munin22:55:192
1168198991411,2cyclictest1384635-21irqcore22:50:172
1168195991412,1cyclictest64-21kcompactd020:46:491
1168195991410,2cyclictest0-21swapper/119:20:191
1168193991411,2cyclictest61650irq/133-enp0s29f1:rx-022:55:130
1168193991411,2cyclictest61650irq/133-enp0s29f1:rx-019:10:110
1168193991411,2cyclictest1472569-21irqcore00:20:150
1168193991410,3cyclictest61650irq/133-enp0s29f1:rx-000:25:090
116819399140,2cyclictest14857251kthreadcore00:30:180
1168198991310,2cyclictest1367445-21cpuspeed_turbos22:25:132
1168193991310,2cyclictest62450irq/134-enp0s29f1:tx-022:00:200
1168193991310,2cyclictest61650irq/133-enp0s29f1:rx-022:25:190
1168193991310,2cyclictest61650irq/133-enp0s29f1:rx-020:55:210
116820399129,2cyclictest1476833-21turbostat00:24:593
116820399129,1cyclictest0-21swapper/321:20:133
116820399126,4cyclictest500-21dbus-daemon00:15:003
116819899127,4cyclictest3777322-21systemd-journal22:35:412
1168195991211,1cyclictest0-21swapper/120:25:171
116819599116,4cyclictest1491143-21ntpq00:35:211
116819899100,2cyclictest1168315-21cat19:10:012
116819399105,3cyclictest1372799-21cron22:35:010
116819399100,2cyclictest1373444-21awk22:40:000
11682039996,2cyclictest702-21runrttasks22:39:433
11681959998,1cyclictest0-21swapper/122:39:421
11681959991,6cyclictest1168196-21cat19:09:591
11681939980,2cyclictest1168115-21latency_hist19:09:590
11682039971,4cyclictest1168311-21latency_hist19:10:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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