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2026-08-16 - 14:24
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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 Sun Aug 16, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2663405993219,11cyclictest2948835-21cron23:50:000
266341499311,22cyclictest2779544-21ntpq21:00:203
266340599319,9cyclictest0-21swapper/021:40:110
266341499301,3cyclictest2928812-21apt-get23:30:133
266340599301,27cyclictest2719457-21apt-get20:05:110
266340599301,27cyclictest2719457-21apt-get20:05:110
266340599301,16cyclictest2765283-21latency_hist20:50:000
2663414992920,7cyclictest0-21swapper/322:34:593
266341499290,3cyclictest2684418-21tr19:30:173
266341499290,20cyclictest2948831-21cron23:50:003
266340599290,2cyclictest2975831-21ps00:15:180
266340599290,1cyclictest2733448-21ls20:15:190
266340599280,25cyclictest0-21swapper/023:30:120
266340599280,1cyclictest0-21swapper/020:40:120
266340599280,1cyclictest0-21swapper/020:25:000
266340599280,1cyclictest0-21swapper/000:10:150
2663414992719,7cyclictest0-21swapper/300:10:153
2663414992718,8cyclictest2875-21cron21:25:013
2663414992717,8cyclictest2914094-21irqcore23:15:183
266341499271,22cyclictest2949115-21apt-get23:50:133
266341499270,23cyclictest0-21swapper/322:55:143
266341499270,23cyclictest0-21swapper/320:40:123
2663412992724,2cyclictest2933608-21systemd-run23:35:012
266341299271,6cyclictest2868464-21irqcore22:30:152
266340899271,21cyclictest2923743-21apt-get23:25:121
266340599270,1cyclictest0-21swapper/022:10:130
266340599270,1cyclictest0-21swapper/022:05:110
266340599270,19cyclictest2780442-21fwupdmgr21:04:580
266341499261,21cyclictest2883148-21apt-get22:45:133
266341499260,2cyclictest0-21swapper/319:25:133
2663408992621,2cyclictest2694109-21apt-get19:40:131
266340899261,21cyclictest2980003-21apt-get00:20:151
266340899261,21cyclictest2842194-21seq22:05:121
266340899261,21cyclictest2831581-21apt-get21:55:121
266340899261,21cyclictest2724572-21apt-get20:10:121
266340899260,23cyclictest2914106-21sed23:15:181
266340899260,23cyclictest2821921-21grep21:45:161
2663405992619,6cyclictest0-21swapper/023:51:180
2663405992619,5cyclictest2806191-21apt-get21:30:120
2663405992618,7cyclictest2984813-21cron00:25:000
266340599260,1cyclictest0-21swapper/021:25:120
266340599260,1cyclictest0-21swapper/019:45:000
2663414992520,2cyclictest2857871-21apt-get22:20:133
2663414992517,6cyclictest2913342-21munin-run23:15:003
2663414992516,7cyclictest0-21swapper/321:25:123
2663414992514,10cyclictest2875-21cron21:00:013
266341499251,21cyclictest2821420-21apt-get21:45:113
266341499251,21cyclictest2811240-21apt-get21:35:143
266341499251,21cyclictest2765541-21apt-get20:50:113
2663414992512,10cyclictest2959573-21gltestperf00:00:173
266340899251,21cyclictest2878096-21apt-get22:40:121
266340899251,21cyclictest0-21swapper/122:35:201
2663405992519,5cyclictest0-21swapper/022:00:340
2663405992518,6cyclictest0-21swapper/023:27:390
2663405992516,7cyclictest2684419-21sort19:30:180
266340599250,23cyclictest0-21swapper/022:55:130
266340599250,1cyclictest0-21swapper/022:37:060
266341499242,20cyclictest2745272-21apt-get20:30:123
2663414992420,3cyclictest2974885-21apt-get00:15:133
2663414992418,4cyclictest0-21swapper/320:45:133
266341499241,20cyclictest2918676-21apt-get23:20:133
266341499241,20cyclictest0-21swapper/322:25:113
266341499241,20cyclictest0-21swapper/320:15:123
266341499240,22cyclictest0-21swapper/322:05:113
266341499240,21cyclictest0-21swapper/320:25:163
266341499240,20cyclictest64-21kcompactd023:06:093
266341299242,2cyclictest2995246-21apt-get00:35:122
2663412992420,3cyclictest2790938-21apt-get21:15:112
2663412992418,4cyclictest2947925-21taskset23:45:192
266340899242,2cyclictest2903492-21apt-get23:05:131
2663408992420,2cyclictest2867982-21apt-get22:30:111
2663408992420,2cyclictest2678859-21apt-get19:25:121
266340899241,2cyclictest2969394-21apt-get00:10:151
266340899241,2cyclictest2668703-21apt-get19:15:131
266340899241,20cyclictest0-21swapper/120:35:151
266340899240,20cyclictest0-21swapper/120:30:121
266340599241,20cyclictest2709294-21apt-get19:55:120
266340599240,1cyclictest0-21swapper/000:00:270
2663414992320,1cyclictest2663611-21apt-get19:10:133
2663414992319,2cyclictest2985584-21irqcore00:25:153
2663414992319,2cyclictest0-21swapper/322:15:113
2663414992319,2cyclictest0-21swapper/321:15:113
2663414992319,2cyclictest0-21swapper/321:10:133
2663414992318,3cyclictest2990201-21apt-get00:30:143
2663414992316,5cyclictest2673786-21apt-get19:20:113
2663414992313,9cyclictest2841919-21cron22:04:593
266341499231,2cyclictest2826512-21apt-get21:50:123
266341499231,2cyclictest2734733-21apt-get20:20:113
266341499231,21cyclictest0-21swapper/323:37:523
2663414992312,10cyclictest516-21rs:main3
2663414992312,10cyclictest2697917-21needreboot19:40:213
2663414992310,11cyclictest2714850-21irqcore20:00:173
266341499230,20cyclictest0-21swapper/300:35:123
2663412992319,2cyclictest0-21swapper/220:40:162
2663412992318,3cyclictest2780727-21apt-get21:05:122
266341299231,2cyclictest2989035-21ntpq00:25:202
266341299231,2cyclictest2678859-21apt-get19:25:122
266341299231,2cyclictest0-21swapper/223:56:412
266341299230,3cyclictest2703137-21ntpq19:45:222
266341299230,20cyclictest2893333-21apt-get22:55:142
2663408992319,3cyclictest2821142-21idleruntime-cro21:45:001
266340899231,2cyclictest2785541-21cron21:10:011
266340899230,3cyclictest2969122-21apt00:10:011
266340899230,20cyclictest2974888-21taskset00:15:131
266340899230,20cyclictest0-21swapper/123:55:121
266340899230,20cyclictest0-21swapper/120:45:131
266340899230,20cyclictest0-21swapper/119:55:131
266340899230,20cyclictest0-21swapper/119:50:121
2663405992311,11cyclictest1-21systemd22:35:000
2663405992311,10cyclictest2857609-21turbostat22:20:000
2663405992310,11cyclictest2826577-21cpuspeed_turbos21:50:120
266340599230,22cyclictest2714853-21irqcore20:00:180
266340599230,20cyclictest0-21swapper/019:35:130
2663414992219,2cyclictest0-21swapper/320:35:053
2663414992219,2cyclictest0-21swapper/319:15:123
266341499221,2cyclictest2954206-21apt-get23:55:133
266341499221,20cyclictest0-21swapper/321:43:553
266341499221,20cyclictest0-21swapper/321:08:583
266341499220,21cyclictest64-21kcompactd023:42:423
266341499220,20cyclictest2728540-21ntpq20:10:213
2663412992218,2cyclictest2919163-21sed23:20:172
266341299221,20cyclictest2683929-21apt-get19:30:132
266341299221,20cyclictest0-21swapper/221:40:112
266341299221,1cyclictest2842191-21apt-get22:05:112
266341299221,19cyclictest0-21swapper/221:35:142
266341299220,2cyclictest2898881-21ps23:00:142
266341299220,2cyclictest2836452-21apt-config22:00:002
266341299220,21cyclictest2974318-21apt-config00:15:002
266341299220,21cyclictest2968071-21sshd00:05:222
266341299220,19cyclictest0-21swapper/222:35:132
266341299220,19cyclictest0-21swapper/221:10:132
2663408992219,2cyclictest0-21swapper/123:45:211
2663408992219,1cyclictest0-21swapper/121:35:141
2663408992219,1cyclictest0-21swapper/100:25:111
266340899220,20cyclictest0-21swapper/121:30:111
266340899220,19cyclictest0-21swapper/121:10:131
266340899220,19cyclictest0-21swapper/119:35:121
2663405992219,2cyclictest2938653-21ls23:40:000
2663405992219,1cyclictest2785823-21apt-get21:10:130
2663405992218,2cyclictest2938934-21apt-get23:40:140
2663405992215,6cyclictest0-21swapper/019:25:120
2663405992213,8cyclictest61650irq/133-enp0s29f1:rx-020:30:180
266340599221,1cyclictest2704224-21apt-get19:50:120
2663405992210,11cyclictest0-21swapper/019:14:590
266340599220,21cyclictest2959028-21basename00:00:010
266340599220,19cyclictest0-21swapper/021:55:120
266341499211,1cyclictest0-21swapper/319:50:133
2663414992110,1cyclictest0-21swapper/321:30:233
266341499210,2cyclictest0-21swapper/319:55:133
266341499210,20cyclictest0-21swapper/300:06:223
266341499210,1cyclictest0-21swapper/323:25:123
266341299212,8cyclictest2852510-21apt22:15:002
2663412992119,1cyclictest2780449-21cron21:05:002
2663412992119,1cyclictest0-21swapper/222:40:122
2663412992119,1cyclictest0-21swapper/200:15:132
2663412992118,2cyclictest2963190-21ntpq00:00:232
2663412992118,2cyclictest2724295-21cron20:10:012
2663412992118,2cyclictest2724295-21cron20:10:002
2663412992118,2cyclictest0-21swapper/223:10:122
2663412992118,1cyclictest2801123-21apt-get21:25:122
266341299211,1cyclictest2933858-21apt-get23:35:132
266341299210,20cyclictest2755130-21cron20:40:012
266341299210,1cyclictest0-21swapper/223:05:052
266341299210,1cyclictest0-21swapper/220:50:112
266341299210,19cyclictest0-21swapper/219:15:132
266341299210,11cyclictest2867727-21awk22:30:002
2663408992118,2cyclictest0-21swapper/123:37:201
2663408992118,1cyclictest0-21swapper/119:10:141
2663408992117,2cyclictest0-21swapper/123:40:141
266340899211,1cyclictest0-21swapper/119:45:381
266340899210,3cyclictest2862660-21idleruntime-cro22:25:001
266340899210,2cyclictest0-21swapper/121:18:051
266340899210,2cyclictest0-21swapper/120:05:121
266340899210,2cyclictest0-21swapper/120:05:111
266340899210,20cyclictest64-21kcompactd000:31:051
266340899210,20cyclictest2903250-21unin-run23:05:001
266340899210,19cyclictest2867704-21cron22:30:001
266340899210,18cyclictest0-21swapper/122:50:131
266340599219,9cyclictest0-21swapper/019:45:150
266340599219,10cyclictest2796279-21fschecks_time21:20:140
2663405992119,1cyclictest2825369-21ntpq21:45:210
2663405992119,1cyclictest0-21swapper/022:45:130
2663405992119,1cyclictest0-21swapper/000:25:110
2663405992118,1cyclictest0-21swapper/020:50:100
2663405992118,1cyclictest0-21swapper/020:25:160
2663405992117,2cyclictest0-21swapper/021:15:160
2663405992113,7cyclictest0-21swapper/023:06:080
2663405992112,7cyclictest61650irq/133-enp0s29f1:rx-020:55:110
266340599211,1cyclictest0-21swapper/023:19:030
266340599211,1cyclictest0-21swapper/023:01:190
266340599210,20cyclictest2909035-21grep23:10:170
266340599210,19cyclictest2677711-21ntpq19:20:210
266340599210,19cyclictest0-21swapper/022:20:120
266340599210,19cyclictest0-21swapper/021:05:110
2663414992018,1cyclictest2846995-21apt-get22:10:023
2663414992018,1cyclictest0-21swapper/323:00:093
2663414992018,1cyclictest0-21swapper/319:35:133
266341499200,1cyclictest0-21swapper/300:24:383
266341499200,19cyclictest0-21swapper/322:37:403
2663412992018,1cyclictest0-21swapper/222:48:252
2663412992018,1cyclictest0-21swapper/222:20:132
2663412992018,1cyclictest0-21swapper/221:50:122
2663412992018,1cyclictest0-21swapper/221:45:212
2663412992018,1cyclictest0-21swapper/220:55:112
2663412992018,1cyclictest0-21swapper/220:20:112
2663412992018,1cyclictest0-21swapper/220:10:542
2663412992018,1cyclictest0-21swapper/220:00:142
2663412992018,1cyclictest0-21swapper/200:30:132
2663412992016,2cyclictest3777322-21systemd-journal20:00:002
266341299200,1cyclictest0-21swapper/223:26:022
266341299200,1cyclictest0-21swapper/221:30:112
266341299200,1cyclictest0-21swapper/220:30:122
266341299200,1cyclictest0-21swapper/220:29:432
266341299200,19cyclictest0-21swapper/223:50:122
2663408992018,1cyclictest0-21swapper/122:16:091
2663408992018,1cyclictest0-21swapper/121:24:011
2663408992017,2cyclictest64-21kcompactd023:10:591
266340899200,1cyclictest0-21swapper/123:21:121
266340899200,1cyclictest0-21swapper/122:55:561
266340899200,1cyclictest0-21swapper/121:25:121
266340599203,11cyclictest0-21swapper/000:05:090
2663405992018,1cyclictest2724572-21apt-get20:10:120
2663405992013,6cyclictest61650irq/133-enp0s29f1:rx-021:35:130
266340599200,2cyclictest2755353-21cat20:40:000
266340599200,1cyclictest0-21swapper/022:25:110
266340599200,1cyclictest0-21swapper/019:19:500
266340599200,1cyclictest0-21swapper/000:30:130
266340599200,19cyclictest0-21swapper/000:39:410
2663414991916,2cyclictest3777322-21systemd-journal22:55:003
2663412991918,0cyclictest0-21swapper/223:40:332
2663412991917,1cyclictest64-21kcompactd019:15:002
2663412991917,1cyclictest0-21swapper/219:40:132
266341299190,18cyclictest0-21swapper/222:15:122
2663408991917,1cyclictest0-21swapper/123:54:321
2663408991916,2cyclictest2837480-21gltestperf22:00:181
2663408991916,2cyclictest2831326-21idleruntime-cro21:55:001
2663408991916,2cyclictest2755407-21apt-get20:40:121
2663408991915,2cyclictest2770583-21apt-get20:55:111
2663408991914,3cyclictest2678579-21cron19:24:591
266340599190,4cyclictest2922622-21ntpq23:20:220
2663414991810,1cyclictest0-21swapper/320:05:123
2663414991810,1cyclictest0-21swapper/320:05:113
2663412991816,1cyclictest0-21swapper/219:50:122
2663412991816,1cyclictest0-21swapper/200:20:142
2663412991815,2cyclictest2837105-21apt-get22:00:142
2663408991816,1cyclictest0-21swapper/122:10:211
2663408991816,1cyclictest0-21swapper/120:30:011
2663408991815,2cyclictest64-21kcompactd020:04:591
266340899180,0cyclictest0-21swapper/120:50:151
266340599180,3cyclictest2893233-21cat22:55:000
2663412991717,0cyclictest0-21swapper/219:20:172
2663412991715,1cyclictest0-21swapper/223:15:172
2663408991715,1cyclictest0-21swapper/119:30:241
2663408991714,2cyclictest3000075-21idleruntime-cro00:40:011
2663408991714,2cyclictest0-21swapper/120:20:111
2663408991713,2cyclictest0-21swapper/123:30:131
2663405991713,3cyclictest61650irq/133-enp0s29f1:rx-022:40:120
2663414991612,3cyclictest2879047-21tr22:40:173
2663412991613,1cyclictest2760479-21apt-get20:45:142
2663408991613,1cyclictest0-21swapper/120:15:121
266340599161,13cyclictest2663407-21sed19:10:000
2663414991512,2cyclictest2699155-21apt-get19:45:123
2663412991513,1cyclictest64-21kcompactd019:35:242
266341299150,14cyclictest2734478-21awk20:20:002
2663412991410,3cyclictest2888735-21ps22:50:172
2663408991410,2cyclictest0-21swapper/122:45:141
266340899139,2cyclictest0-21swapper/100:00:181
266341299110,2cyclictest0-21swapper/221:20:162
266340899116,4cyclictest2775941-21fw_forwarded_lo21:00:151
26634129990,1cyclictest2663498-21grep19:10:002
26634089970,6cyclictest2663312-21latency_hist19:10:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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