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2025-12-27 - 07:31
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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 376 highest latencies:
System rackeslot4.osadl.org (updated Sat Dec 27, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
122718499340,22cyclictest1263712-21grep19:45:190
1227186993329,2cyclictest134-1kworker/1:1H+kblockd21:05:021
1227184993220,3cyclictest1472373-21apt-get23:10:120
1227184993120,3cyclictest1441899-21apt-get22:40:120
1227184993120,2cyclictest1529500-21apt-get00:05:140
122718499311,2cyclictest1446993-21apt-get22:45:160
122718499311,21cyclictest1278347-21apt-get20:00:120
122719499300,28cyclictest1237259-21awk19:20:003
1227186993019,9cyclictest1298408-21munin-run20:20:011
1227184993019,3cyclictest1258167-21apt-get19:40:120
122718499301,20cyclictest1421225-21apt-get22:20:150
1227184992722,1cyclictest1318606-21kworker/0:2+pm21:05:020
1227194992620,3cyclictest1554812-21apt-get00:30:133
122719099262,3cyclictest1411057-21apt-get22:10:112
122719099261,22cyclictest1401312-21irqcore22:00:162
1227194992520,3cyclictest1487629-21apt-get23:25:133
122719499251,21cyclictest1354326-21apt-get21:15:113
122719499251,21cyclictest1328967-21apt-get20:50:123
122719499251,20cyclictest1539583-21apt-get00:15:133
122719499251,20cyclictest0-21swapper/322:45:153
122719099251,3cyclictest0-21swapper/223:45:002
122719099251,21cyclictest1462248-21apt-get23:00:142
122719099251,21cyclictest1431809-21ps22:30:182
122718699252,20cyclictest1498157-21apt-get23:35:091
122718499251,22cyclictest1374327-21cron21:35:010
1227194992418,4cyclictest1258669-21cut19:40:163
1227194992418,3cyclictest1227396-21apt-get19:10:123
122719499241,21cyclictest1380140-21apt-get21:40:113
122719499241,20cyclictest1349237-21apt-get21:10:143
122719499241,20cyclictest0-21swapper/321:00:123
122719499241,20cyclictest0-21swapper/319:20:123
122719499240,21cyclictest0-21swapper/322:40:133
122719499240,21cyclictest0-21swapper/300:00:123
122719099241,3cyclictest1273292-21apt-get19:55:122
122719099241,20cyclictest1323957-21apt-get20:45:112
122719099241,20cyclictest0-21swapper/200:35:112
122719099240,20cyclictest0-21swapper/200:00:032
122718699242,19cyclictest1247612-21apt-get19:30:121
1227186992420,2cyclictest1513413-21apt-get23:50:131
122718699241,2cyclictest1482550-21apt-get23:20:101
122718699241,19cyclictest1369536-21apt-get21:30:131
122718699240,21cyclictest1457182-21chrt22:55:111
122718499242,21cyclictest1518938-21apt-get23:55:130
122718499241,22cyclictest1436143-21true22:35:000
122718499241,21cyclictest261-21systemd-journal23:20:000
122718499241,21cyclictest261-21systemd-journal23:20:000
122718499241,21cyclictest1303448-21idleruntime-cro20:25:000
122718499241,21cyclictest1242559-21apt-get19:25:110
122718499240,22cyclictest1395059-21cron21:55:000
1227194992319,2cyclictest1263223-21apt-get19:45:143
122719499230,21cyclictest1436116-21apt-get22:35:013
122719499230,21cyclictest1395076-21apt-get21:55:033
122719499230,21cyclictest1278074-21awk19:59:593
122719499230,20cyclictest0-21swapper/323:40:123
122719499230,20cyclictest0-21swapper/322:25:133
1227190992320,2cyclictest514-21in:imuxsock20:35:012
1227190992319,2cyclictest1544659-21apt-get00:20:112
122719099231,2cyclictest1252428-21munin-run19:34:592
122719099231,2cyclictest0-21swapper/222:50:122
122719099231,20cyclictest704-21snmpd19:25:122
122719099231,20cyclictest1549761-21apt-get00:25:122
122719099231,20cyclictest1232451-21apt-get19:15:112
122719099230,3cyclictest1318633-21ls20:40:002
122719099230,22cyclictest1517997-21sshd23:52:252
122719099230,20cyclictest0-21swapper/223:55:132
122719099230,20cyclictest0-21swapper/220:40:132
122719099230,20cyclictest0-21swapper/220:40:122
1227186992320,1cyclictest1416127-21apt-get22:15:131
122718699231,2cyclictest261-21systemd-journal20:40:001
122718699231,2cyclictest1395078-21munin-run21:55:001
122718699231,19cyclictest1318905-21apt-get20:40:131
122718699231,19cyclictest1318905-21apt-get20:40:121
122718699230,21cyclictest1529986-21grep00:05:181
122718699230,21cyclictest1436811-21taskset22:35:131
122718699230,20cyclictest0-21swapper/123:15:131
122718699230,20cyclictest0-21swapper/123:15:131
1227184992319,2cyclictest1359396-21apt-get21:20:090
1227184992319,2cyclictest1303722-21apt-get20:25:120
122718499231,20cyclictest1405969-21apt-get22:05:140
122718499231,20cyclictest1253112-21apt-get19:35:110
122718499230,22cyclictest1283621-21grep20:05:120
1227194992219,2cyclictest0-21swapper/323:55:133
1227194992219,2cyclictest0-21swapper/300:35:113
1227194992218,3cyclictest1273021-21idleruntime-cro19:54:593
1227194992218,2cyclictest0-21swapper/321:50:093
1227194992215,5cyclictest1293314-21idleruntime-cro20:15:003
122719499220,2cyclictest0-21swapper/300:25:123
122719499220,20cyclictest0-21swapper/321:05:123
1227190992219,2cyclictest0-21swapper/223:24:592
1227190992219,2cyclictest0-21swapper/200:05:132
1227190992219,1cyclictest1385233-21apt-get21:45:122
122719099221,2cyclictest0-21swapper/220:20:202
122719099221,1cyclictest1344141-21apt-get21:05:132
122719099221,19cyclictest1508336-21apt-get23:45:122
122719099220,20cyclictest1441899-21apt-get22:40:122
122719099220,20cyclictest1420943-21cron22:20:002
122719099220,20cyclictest1410784-21cron22:09:592
122719099220,20cyclictest0-21swapper/200:15:132
122719099220,19cyclictest0-21swapper/221:55:112
122719099220,19cyclictest0-21swapper/220:25:122
122719099220,19cyclictest0-21swapper/219:10:122
1227186992219,2cyclictest1364978-21sort21:25:151
1227186992219,1cyclictest1328693-21awk20:50:001
1227186992218,2cyclictest1503236-21apt-get23:40:121
122718699221,2cyclictest1450998-21ntpq22:45:261
122718699221,2cyclictest1374609-21apt-get21:35:151
122718699220,20cyclictest0-21swapper/123:55:131
122718699220,19cyclictest0-21swapper/122:05:131
1227184992219,2cyclictest1343859-21sh21:05:010
122718499221,20cyclictest1404835-21ntpq22:00:220
122718499221,20cyclictest0-21swapper/023:00:130
122718499220,2cyclictest0-21swapper/023:50:130
122718499220,21cyclictest0-21swapper/000:15:130
1227194992119,1cyclictest0-21swapper/321:25:113
1227194992119,1cyclictest0-21swapper/321:20:093
1227194992119,1cyclictest0-21swapper/300:20:103
1227194992118,1cyclictest1517994-21sshd23:52:253
1227194992117,2cyclictest1477473-21apt-get23:15:133
1227194992117,2cyclictest1477473-21apt-get23:15:133
1227194992116,3cyclictest1298394-21ls20:20:013
122719499211,1cyclictest0-21swapper/322:15:133
122719499211,1cyclictest0-21swapper/321:30:123
122719499211,1cyclictest0-21swapper/320:00:133
122719499210,1cyclictest0-21swapper/320:30:143
1227190992119,1cyclictest0-21swapper/220:15:132
1227190992118,2cyclictest0-21swapper/221:10:142
1227190992118,1cyclictest1288522-21apt-get20:10:102
1227190992118,1cyclictest0-21swapper/219:50:112
1227190992117,2cyclictest1461993-21basename22:59:592
122719099211,1cyclictest0-21swapper/223:10:002
122719099211,1cyclictest0-21swapper/222:45:152
122719099210,1cyclictest0-21swapper/222:35:122
122719099210,19cyclictest0-21swapper/223:10:122
1227186992119,1cyclictest1312673-21ntpq20:30:221
1227186992118,1cyclictest0-21swapper/123:05:101
122718699211,1cyclictest0-21swapper/119:35:111
122718699210,20cyclictest261-21systemd-journal00:20:011
122718699210,19cyclictest1385716-21ps21:45:171
122718699210,19cyclictest0-21swapper/121:10:141
122718699210,19cyclictest0-21swapper/120:10:111
122718699210,19cyclictest0-21swapper/119:10:121
122718699210,19cyclictest0-21swapper/100:20:111
1227184992119,1cyclictest1227892-21ps19:10:160
1227184992119,1cyclictest0-21swapper/023:30:120
1227184992119,1cyclictest0-21swapper/020:10:110
1227184992118,2cyclictest1491501-21ntpq23:25:210
1227184992118,2cyclictest0-21swapper/000:30:130
1227184992117,3cyclictest1554535-21cron00:30:000
1227184992117,2cyclictest0-21swapper/000:10:130
122718499210,2cyclictest1273019-21idleruntime-cro19:54:590
1227194992016,3cyclictest1379672-21apt-key21:40:003
1227194992016,2cyclictest0-21swapper/323:45:133
1227194992014,4cyclictest1389996-21awk21:50:013
122719499201,1cyclictest0-21swapper/322:10:123
1227190992018,1cyclictest0-21swapper/222:20:142
1227190992018,1cyclictest0-21swapper/219:40:122
1227190992017,2cyclictest0-21swapper/219:35:112
1227190992016,2cyclictest1364488-21apt-get21:25:112
1227186992018,1cyclictest1523752-21apt-get00:00:031
1227186992018,1cyclictest0-21swapper/122:50:121
1227186992018,1cyclictest0-21swapper/122:30:141
1227186992018,1cyclictest0-21swapper/122:10:111
1227186992018,1cyclictest0-21swapper/121:40:101
1227186992017,2cyclictest1492432-21idleruntime-cro23:30:001
122718699200,1cyclictest0-21swapper/120:05:101
122718699200,1cyclictest0-21swapper/100:25:121
122718699200,19cyclictest0-21swapper/100:40:011
1227184992018,1cyclictest0-21swapper/022:15:130
1227184992018,1cyclictest0-21swapper/021:40:020
1227184992018,1cyclictest0-21swapper/020:15:120
1227184992017,2cyclictest1359119-21cron21:20:010
1227184992016,3cyclictest1513145-21turbostat.cron23:50:000
122718499201,18cyclictest0-21swapper/023:20:100
122718499200,1cyclictest1545143-21ps00:20:150
1227194991915,3cyclictest1308508-21sh20:30:003
1227194991912,5cyclictest1323681-21cron20:45:013
1227194991912,5cyclictest1323681-21cron20:45:003
1227190991917,1cyclictest0-21swapper/221:00:132
1227190991916,1cyclictest1426267-21apt-get22:25:122
1227190991916,1cyclictest1283147-21cron20:05:002
1227186991917,1cyclictest0-21swapper/119:55:121
122718699190,17cyclictest261-21systemd-journal00:34:131
1227194991814,3cyclictest1404843-21ntp_kernel_pll_22:00:223
1227194991813,3cyclictest1283912-21irqcore20:05:143
1227190991817,1cyclictest0-21swapper/200:30:182
1227190991815,2cyclictest0-21swapper/220:55:132
1227190991814,2cyclictest1390265-21apt-get21:50:092
1227186991814,2cyclictest1401313-21ps22:00:161
122718699180,1cyclictest0-21swapper/120:00:171
1227184991817,1cyclictest0-21swapper/020:30:170
1227184991816,1cyclictest0-21swapper/021:25:110
1227184991816,1cyclictest0-21swapper/019:55:120
1227184991815,2cyclictest1378590-21ntp_kernel_pll_21:35:240
1227194991715,1cyclictest0-21swapper/320:45:123
1227194991715,1cyclictest0-21swapper/319:25:123
1227194991712,3cyclictest1452569-21irqcore22:50:153
1227190991715,1cyclictest0-21swapper/223:35:092
1227190991714,2cyclictest1359884-21irqcore21:20:132
1227186991715,1cyclictest0-21swapper/121:55:111
1227186991713,3cyclictest1307642-21ntp_kernel_pll_20:25:211
122718699170,0cyclictest0-21swapper/123:00:131
1227184991716,1cyclictest0-21swapper/023:35:090
1227184991715,1cyclictest0-21swapper/019:15:120
1227184991714,2cyclictest1237529-21apt-get19:20:110
1227184991713,3cyclictest61650irq/133-enp0s29f1:rx-022:35:190
1227184991713,3cyclictest61650irq/133-enp0s29f1:rx-021:55:100
1227184991713,2cyclictest0-21swapper/022:14:590
1227194991614,1cyclictest0-21swapper/300:05:173
1227194991613,2cyclictest0-21swapper/323:20:103
1227194991613,2cyclictest0-21swapper/320:55:133
1227194991612,2cyclictest0-21swapper/323:00:163
1227190991615,1cyclictest0-21swapper/221:40:092
1227190991613,1cyclictest0-21swapper/220:05:102
1227190991612,3cyclictest1333310-21grep20:50:252
1227186991614,1cyclictest0-21swapper/121:20:091
1227186991614,1cyclictest0-21swapper/121:00:141
1227186991614,1cyclictest0-21swapper/119:15:121
1227186991613,2cyclictest1302548-21ntpq20:20:201
1227184991613,2cyclictest61650irq/133-enp0s29f1:rx-022:50:470
1227184991613,2cyclictest61650irq/133-enp0s29f1:rx-020:45:210
1227184991613,2cyclictest61650irq/133-enp0s29f1:rx-019:30:440
1227184991613,2cyclictest0-21swapper/021:45:130
122719499157,6cyclictest261-21systemd-journal19:39:593
1227194991513,1cyclictest1493602-21ps23:30:173
1227194991513,1cyclictest0-21swapper/322:55:163
1227194991511,3cyclictest1502972-21sh23:39:593
1227186991514,1cyclictest0-21swapper/122:40:171
1227186991513,1cyclictest0-21swapper/120:50:121
1227186991511,3cyclictest1336247-21kthreadcore20:55:181
1227186991511,2cyclictest0-21swapper/100:15:011
122718499151,3cyclictest1457179-21apt-get22:55:110
1227184991513,1cyclictest0-21swapper/021:10:140
1227184991512,2cyclictest61650irq/133-enp0s29f1:rx-023:05:100
1227184991512,2cyclictest61650irq/133-enp0s29f1:rx-020:53:500
122719499146,6cyclictest500-21dbus-daemon20:25:003
1227194991411,2cyclictest1467776-21ps23:05:143
1227190991412,1cyclictest1268009-21idleruntime-cro19:50:002
1227190991411,2cyclictest1370025-21grep21:30:172
1227186991412,1cyclictest0-21swapper/123:45:131
1227186991412,1cyclictest0-21swapper/119:40:121
1227186991411,1cyclictest0-21swapper/122:25:121
1227184991412,1cyclictest0-21swapper/020:40:120
1227184991412,1cyclictest0-21swapper/020:40:120
1227184991410,3cyclictest61650irq/133-enp0s29f1:rx-000:00:220
1227184991410,2cyclictest1313852-21apt-get20:35:120
122719499139,3cyclictest1406034-21cpuspeed_turbos22:05:133
122719499139,2cyclictest0-21swapper/300:10:213
122719499131,3cyclictest1252429-21awk19:34:593
1227190991311,1cyclictest0-21swapper/221:35:142
1227190991311,1cyclictest0-21swapper/219:20:122
122718699132,2cyclictest1239962-21cut19:20:171
1227186991311,1cyclictest0-21swapper/123:10:121
1227186991311,1cyclictest0-21swapper/119:25:121
1227186991310,2cyclictest514-21in:imuxsock22:24:591
1227184991310,2cyclictest1564670-21sh00:40:010
122719499129,2cyclictest1431442-21cpuspeed_turbos22:30:153
122719499129,2cyclictest1313917-21cpuspeed_turbos20:35:123
122719499126,4cyclictest1477144-21sshd23:14:253
122719099126,5cyclictest1477473-21apt-get23:15:132
122719099126,5cyclictest1477473-21apt-get23:15:132
122718699128,2cyclictest0-21swapper/121:15:151
122718699121,9cyclictest1227112-21latency_hist19:10:011
122718499120,10cyclictest1430140-21ntpq22:25:200
122719099118,2cyclictest2233521-21kworker/u8:2-ext4-rsv-conversion23:35:002
122719099118,2cyclictest0-21swapper/221:15:122
1227190991110,1cyclictest0-21swapper/200:10:142
122719099110,2cyclictest1227112-21latency_hist19:10:012
122718699119,1cyclictest1268271-21apt-get19:50:111
122718699115,4cyclictest522-21gdbus19:50:011
122718499117,3cyclictest61650irq/133-enp0s29f1:rx-023:40:170
122719499107,2cyclictest1421290-21cpuspeed_turbos22:20:153
122719499100,9cyclictest1227342-21cat19:10:013
122718699107,2cyclictest0-21swapper/123:35:001
12271849993,3cyclictest1227292-21latency_hist19:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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