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2026-08-23 - 06:10
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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 Sun Aug 23, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
298799099272,22cyclictest3212703-21apt-get22:50:132
298799299260,5cyclictest3202270-21sleep22:40:003
298799099261,22cyclictest3319646-21apt-get00:35:142
298799099261,22cyclictest3319646-21apt-get00:35:142
298799099260,6cyclictest3038714-21cron20:00:002
2987992992520,3cyclictest3268442-21apt-get23:45:123
298799299251,21cyclictest3080373-21apt-get20:40:143
298799299250,21cyclictest3038721-21apt-get20:00:033
298799099251,21cyclictest0-21swapper/220:50:112
298799099250,23cyclictest3238549-21irqcore23:15:152
298799099250,22cyclictest2998363-21seq19:20:112
298798599251,21cyclictest3049533-21apt-get20:10:121
298798599251,20cyclictest3273532-21apt-get23:50:121
298798599250,23cyclictest2999311-21sed19:20:161
2987992992419,3cyclictest3161569-21apt-get22:00:123
2987992992419,2cyclictest3018732-21apt19:40:113
298799299241,3cyclictest3777322-21systemd-journal23:15:013
2987990992420,2cyclictest3156500-21apt-get21:55:112
2987990992420,2cyclictest3156500-21apt-get21:55:112
2987990992419,3cyclictest3777322-21systemd-journal23:30:002
2987990992419,3cyclictest3777322-21systemd-journal00:24:592
2987990992418,4cyclictest3018455-21cron19:40:002
298799099241,21cyclictest3166353-21cron22:05:002
298799099241,21cyclictest0-21swapper/220:15:122
2987985992420,2cyclictest3222863-21apt-get23:00:111
298798299241,21cyclictest3283699-21apt-get00:00:140
298798299240,23cyclictest3038753-21true20:00:010
2987992992319,2cyclictest3166623-21apt-get22:05:133
298799299230,3cyclictest3131657-21tr21:30:163
298799299230,20cyclictest3217795-21apt-get22:55:133
298799299230,20cyclictest0-21swapper/323:30:123
298799299230,20cyclictest0-21swapper/320:45:143
298799299230,20cyclictest0-21swapper/319:10:133
2987990992320,2cyclictest3136224-21apt-get21:35:132
2987990992319,2cyclictest0-21swapper/223:10:122
2987990992319,2cyclictest0-21swapper/222:55:142
2987990992319,2cyclictest0-21swapper/222:35:122
298799099231,20cyclictest0-21swapper/223:45:112
2987985992319,2cyclictest2993291-21apt-get19:15:131
2987985992319,2cyclictest2993291-21apt-get19:15:131
2987985992317,4cyclictest3248712-21sed23:25:171
298798599231,2cyclictest3039414-21apt-get20:00:131
298798599231,19cyclictest0-21swapper/100:00:141
298798599230,4cyclictest3777322-21systemd-journal21:55:001
298798599230,20cyclictest0-21swapper/122:20:121
298798599230,20cyclictest0-21swapper/119:25:121
2987982992319,3cyclictest3022786-21/usr/sbin/munin19:40:230
2987982992319,2cyclictest3232998-21apt-get23:10:110
298798299231,2cyclictest3238067-21apt-get23:15:120
298798299231,2cyclictest3175608-21ntpq22:10:210
298798299231,20cyclictest3288746-21apt-get00:05:130
298798299231,20cyclictest3065145-21apt-get20:25:120
2987992992219,2cyclictest3095647-21apt-get20:55:133
2987992992219,2cyclictest0-21swapper/323:05:223
298799299220,20cyclictest3156648-21df21:55:123
298799299220,20cyclictest3156648-21df21:55:123
298799299220,20cyclictest0-21swapper/320:50:113
298799299220,20cyclictest0-21swapper/319:30:133
298799299220,20cyclictest0-21swapper/300:10:143
298799299220,19cyclictest0-21swapper/323:15:113
298799299220,19cyclictest0-21swapper/323:00:113
298799299220,19cyclictest0-21swapper/322:25:133
298799299220,19cyclictest0-21swapper/322:15:123
298799299220,19cyclictest0-21swapper/319:15:133
298799299220,19cyclictest0-21swapper/319:15:123
2987990992219,2cyclictest0-21swapper/223:50:122
2987990992219,2cyclictest0-21swapper/223:35:102
2987990992218,2cyclictest0-21swapper/220:05:142
2987990992217,3cyclictest702-21runrttasks21:43:072
2987990992215,5cyclictest3172181-21irqcore22:10:172
298799099221,20cyclictest0-21swapper/221:15:222
298799099220,2cyclictest64-21kcompactd021:13:332
298799099220,2cyclictest0-21swapper/220:40:142
298799099220,2cyclictest0-21swapper/219:25:112
298799099220,20cyclictest3029365-21grep19:50:162
2987985992219,2cyclictest0-21swapper/122:50:131
2987985992219,1cyclictest0-21swapper/119:50:121
2987985992218,3cyclictest3278625-21taskset23:55:101
298798599221,2cyclictest3090532-21apt-get20:50:121
298798599221,1cyclictest0-21swapper/122:35:121
298798599220,19cyclictest0-21swapper/122:45:111
298798599220,19cyclictest0-21swapper/122:30:121
298798599220,19cyclictest0-21swapper/119:10:131
298798599220,19cyclictest0-21swapper/100:25:121
298798599220,19cyclictest0-21swapper/100:25:121
298798299222,1cyclictest3192405-21apt-get22:30:120
2987982992219,2cyclictest3314577-21apt-get00:30:120
2987982992219,2cyclictest3258325-21apt-get23:35:100
2987982992218,3cyclictest3039376-21apt-get20:00:020
2987982992218,2cyclictest3131156-21apt-get21:30:120
2987982992217,4cyclictest3013383-21awk19:34:590
298798299221,2cyclictest3151426-21apt-get21:50:120
298798299221,2cyclictest3126086-21apt-get21:25:110
298798299221,20cyclictest0-21swapper/000:35:140
298798299221,20cyclictest0-21swapper/000:35:130
298798299221,1cyclictest3293815-21apt-get00:10:130
298798299220,2cyclictest3216814-21/usr/sbin/munin22:50:250
298798299220,21cyclictest3005662-21ps19:25:180
2987992992119,1cyclictest0-21swapper/322:52:273
2987992992119,1cyclictest0-21swapper/321:20:143
2987992992119,1cyclictest0-21swapper/320:35:133
2987992992119,1cyclictest0-21swapper/320:15:123
2987992992118,2cyclictest3060097-21apt-get20:20:123
2987992992118,2cyclictest3023831-21apt-get19:45:133
298799299210,20cyclictest64-21kcompactd023:44:373
298799299210,20cyclictest0-21swapper/320:05:483
298799299210,1cyclictest3008284-21unin-run19:29:593
298799299210,19cyclictest0-21swapper/322:10:123
298799299210,19cyclictest0-21swapper/320:00:003
2987990992119,1cyclictest0-21swapper/222:30:122
2987990992118,2cyclictest0-21swapper/220:55:122
2987990992118,2cyclictest0-21swapper/220:20:122
2987990992118,2cyclictest0-21swapper/220:05:002
2987990992118,1cyclictest0-21swapper/221:05:132
2987990992117,2cyclictest0-21swapper/222:25:032
2987990992117,2cyclictest0-21swapper/220:45:142
2987990992116,3cyclictest3131642-21grep21:30:162
2987990992116,3cyclictest3101218-21sed21:00:182
298799099211,19cyclictest0-21swapper/200:10:202
298799099210,2cyclictest0-21swapper/223:00:112
298799099210,20cyclictest3299829-21ps00:15:172
298799099210,20cyclictest0-21swapper/220:35:182
298799099210,20cyclictest0-21swapper/219:45:122
298799099210,1cyclictest3309051-21apt-get00:25:122
298799099210,1cyclictest3309051-21apt-get00:25:112
298799099210,1cyclictest0-21swapper/223:40:132
298799099210,1cyclictest0-21swapper/220:30:112
298799099210,1cyclictest0-21swapper/219:15:132
298799099210,1cyclictest0-21swapper/219:15:122
2987985992119,1cyclictest0-21swapper/121:35:131
2987985992118,2cyclictest3023564-21cron19:45:001
2987985992118,1cyclictest3044466-21apt-get20:05:131
298798599211,19cyclictest3777322-21systemd-journal00:24:561
298798599211,19cyclictest3187360-21apt-get22:25:131
298798599210,20cyclictest3319373-21idleruntime-cro00:34:591
298798599210,20cyclictest3141773-21ps21:40:151
298798599210,20cyclictest0-21swapper/123:45:121
298798599210,1cyclictest0-21swapper/121:20:131
298798599210,19cyclictest0-21swapper/121:30:131
298798599210,19cyclictest0-21swapper/119:30:131
2987982992119,1cyclictest0-21swapper/020:15:210
2987982992118,2cyclictest1-21systemd22:25:000
2987982992117,3cyclictest3024313-21ps19:45:150
298798299211,2cyclictest3050480-21ps20:10:170
298798299211,1cyclictest0-21swapper/020:20:120
298798299211,19cyclictest3253281-21apt-get23:30:130
298798299211,19cyclictest2998360-21apt-get19:20:110
298798299211,19cyclictest0-21swapper/023:55:100
298798299210,2cyclictest3203022-21grep22:40:190
298798299210,20cyclictest3243146-21apt-get23:20:120
298798299210,20cyclictest3176760-21apt-get22:15:120
298798299210,20cyclictest3141290-21apt-get21:40:110
298798299210,20cyclictest2993720-21/usr/sbin/munin19:15:170
298798299210,20cyclictest2993720-21/usr/sbin/munin19:15:160
298798299210,20cyclictest0-21swapper/023:00:120
298798299210,20cyclictest0-21swapper/021:55:110
298798299210,20cyclictest0-21swapper/021:55:110
2987992992019,1cyclictest0-21swapper/319:35:233
2987992992018,1cyclictest0-21swapper/322:40:163
2987992992018,1cyclictest0-21swapper/321:15:133
2987992992018,1cyclictest0-21swapper/320:10:123
2987992992017,2cyclictest64-21kcompactd021:00:063
2987992992017,2cyclictest3033694-21basename19:55:003
2987992992015,4cyclictest1-21systemd22:35:003
298799299200,1cyclictest0-21swapper/323:50:113
298799299200,1cyclictest0-21swapper/322:45:113
298799299200,1cyclictest0-21swapper/321:37:123
2987990992018,1cyclictest0-21swapper/222:40:162
2987990992018,1cyclictest0-21swapper/219:40:112
2987990992017,2cyclictest0-21swapper/200:05:132
2987990992015,3cyclictest3126090-21taskset21:25:112
298799099200,20cyclictest0-21swapper/220:25:122
298799099200,1cyclictest0-21swapper/223:55:102
298799099200,19cyclictest0-21swapper/222:20:442
298799099200,19cyclictest0-21swapper/200:00:132
2987985992018,1cyclictest0-21swapper/123:30:121
2987985992018,1cyclictest0-21swapper/122:10:131
2987985992018,1cyclictest0-21swapper/120:40:141
2987985992018,1cyclictest0-21swapper/119:57:451
2987985992017,1cyclictest0-21swapper/121:45:121
2987985992015,4cyclictest3299382-21grep00:15:171
298798599200,1cyclictest3204755-21ps22:40:221
298798599200,1cyclictest0-21swapper/123:05:141
298798599200,1cyclictest0-21swapper/121:07:381
298798599200,1cyclictest0-21swapper/120:15:121
298798599200,18cyclictest0-21swapper/123:20:121
298798599200,18cyclictest0-21swapper/123:10:121
2987982992019,1cyclictest0-21swapper/019:53:590
2987982992018,1cyclictest64-21kcompactd000:23:180
2987982992018,1cyclictest3166623-21apt-get22:05:130
2987982992018,1cyclictest0-21swapper/023:50:120
2987982992018,1cyclictest0-21swapper/023:29:330
2987982992018,1cyclictest0-21swapper/021:20:130
2987982992016,2cyclictest3100436-21cron21:00:000
298798299200,1cyclictest0-21swapper/020:05:140
298798299200,19cyclictest3264342-21ps23:40:170
298798299200,19cyclictest0-21swapper/022:00:120
2987992991917,1cyclictest0-21swapper/323:36:003
2987992991917,1cyclictest0-21swapper/321:40:113
2987992991916,1cyclictest0-21swapper/321:10:133
2987992991915,2cyclictest3777322-21systemd-journal00:00:003
2987992991915,2cyclictest2998737-21gltestperf19:20:143
298799299190,1cyclictest0-21swapper/300:05:133
2987990991917,1cyclictest64-21kcompactd019:30:522
2987990991916,2cyclictest0-21swapper/222:16:262
2987985991916,1cyclictest3085465-21apt-get20:45:141
2987985991915,3cyclictest3324419-21sh00:40:011
2987985991915,3cyclictest3324419-21sh00:40:011
298798599190,0cyclictest0-21swapper/100:09:521
2987982991918,1cyclictest0-21swapper/020:44:310
2987982991917,1cyclictest2992119-21ntpq19:10:210
298798299190,1cyclictest0-21swapper/000:15:130
298798299190,18cyclictest0-21swapper/020:50:110
2987992991816,1cyclictest0-21swapper/322:20:123
2987992991816,1cyclictest0-21swapper/300:25:123
2987992991816,1cyclictest0-21swapper/300:25:113
2987992991815,2cyclictest0-21swapper/323:20:123
2987990991814,2cyclictest3232728-21cron23:10:002
2987985991816,1cyclictest0-21swapper/120:55:121
2987985991816,1cyclictest0-21swapper/119:35:131
2987985991815,2cyclictest2987986-21latency_hist19:10:011
2987985991815,2cyclictest0-21swapper/121:30:001
2987985991814,3cyclictest3180729-21ntpq22:15:221
2987982991817,1cyclictest0-21swapper/020:30:100
2987982991816,1cyclictest3105784-21apt-get21:05:130
2987982991816,1cyclictest0-21swapper/020:35:550
2987982991814,3cyclictest3232739-21idleruntime-cro23:10:000
2987992991716,1cyclictest64-21kcompactd000:18:283
2987992991715,1cyclictest0-21swapper/300:20:133
2987992991713,3cyclictest3070730-21ps20:30:163
2987992991713,2cyclictest3130884-21basename21:30:003
2987990991715,1cyclictest0-21swapper/220:10:122
2987990991713,2cyclictest3151426-21apt-get21:50:112
2987985991715,1cyclictest0-21swapper/123:35:101
2987985991715,1cyclictest0-21swapper/122:05:131
2987985991714,2cyclictest3110856-21apt-get21:10:131
298798599170,0cyclictest0-21swapper/121:17:511
2987982991715,1cyclictest702-21runrttasks21:00:130
2987982991715,1cyclictest0-21swapper/023:45:130
2987982991715,1cyclictest0-21swapper/022:45:120
2987982991714,2cyclictest61650irq/133-enp0s29f1:rx-022:25:160
2987982991714,2cyclictest0-21swapper/000:25:120
2987982991714,2cyclictest0-21swapper/000:25:110
2987982991713,2cyclictest61650irq/133-enp0s29f1:rx-022:55:130
298799299160,15cyclictest3252995-21turbostat.cron23:29:563
2987990991613,2cyclictest3166845-21fschecks_time22:05:152
2987990991613,2cyclictest2993043-21sleep19:15:002
2987985991614,1cyclictest0-21swapper/120:35:011
2987985991614,1cyclictest0-21swapper/100:10:141
2987985991612,3cyclictest3241875-21needreboot23:15:181
2987985991612,3cyclictest3222108-21unixbench_multi22:55:261
2987982991614,1cyclictest64-21kcompactd021:45:480
2987982991614,1cyclictest3197451-21apt-get22:35:120
2987982991614,1cyclictest0-21swapper/021:15:130
2987982991613,2cyclictest62450irq/134-enp0s29f1:tx-019:35:250
2987982991612,3cyclictest61650irq/133-enp0s29f1:rx-021:35:130
2987992991514,1cyclictest0-21swapper/300:30:113
2987992991511,3cyclictest3108004-21kthreadcore21:05:193
2987990991513,1cyclictest0-21swapper/223:30:202
2987985991512,2cyclictest3076271-21kthreadcore20:35:171
2987982991511,3cyclictest61650irq/133-enp0s29f1:rx-020:45:210
2987992991412,1cyclictest0-21swapper/300:00:133
2987990991411,2cyclictest3123977-21kthreadcore21:20:192
2987985991412,1cyclictest64-21kcompactd020:25:421
2987985991412,1cyclictest0-21swapper/122:00:121
2987992991311,1cyclictest0-21swapper/320:25:123
2987992991310,2cyclictest0-21swapper/321:50:123
2987990991311,1cyclictest3243261-21cut23:20:132
2987985991310,2cyclictest3102942-21kthreadcore21:00:191
2987982991310,2cyclictest61650irq/133-enp0s29f1:rx-021:10:130
298799299126,5cyclictest3319932-21fw_forwarded_lo00:35:163
298799299126,5cyclictest3319932-21fw_forwarded_lo00:35:153
298799099129,2cyclictest0-21swapper/222:45:202
298799099124,2cyclictest191rcu_preempt21:45:142
298799299117,2cyclictest0-21swapper/321:45:123
298799099119,1cyclictest0-21swapper/219:10:012
298799099115,5cyclictest3318456-21ntpq00:30:202
298798599110,9cyclictest3028757-21cat19:50:011
298798599106,2cyclictest3267308-21ntpq23:40:221
298798599105,4cyclictest3157027-21cut21:55:161
298798599105,4cyclictest3157027-21cut21:55:151
298798599105,3cyclictest3060238-21grep20:20:131
29879829996,2cyclictest0-21swapper/019:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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