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2026-09-17 - 13:04
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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 highest latencies:
System rackeslot4.osadl.org (updated Thu Sep 17, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
407840599340,4cyclictest86132-21tr22:25:180
407840599330,2cyclictest4189965-21seq20:55:220
407840599301,20cyclictest68458-21unin-run22:10:000
407840599300,2cyclictest0-21swapper/020:30:010
4078405992920,7cyclictest4083696-21apt-get19:15:120
407840599291,2cyclictest0-21swapper/021:11:070
407840599290,21cyclictest58301-21cron22:00:000
4078414992825,2cyclictest0-21swapper/323:00:003
407840599281,3cyclictest4109161-21apt-get19:40:110
407840599281,2cyclictest0-21swapper/000:15:110
407840599281,26cyclictest0-21swapper/021:30:180
407841499271,22cyclictest206639-21apt-get00:25:123
4078409992719,5cyclictest4165098-21idleruntime-cro20:35:001
4078405992720,5cyclictest119924-21apt-get23:00:110
407841499261,21cyclictest63648-21apt-get22:05:123
407841499261,21cyclictest180748-21apt-get00:00:123
407841499261,21cyclictest145249-21apt-get23:25:133
4078412992624,1cyclictest0-21swapper/221:55:122
4078412992619,1cyclictest191rcu_preempt00:25:162
407840999267,12cyclictest99342-21munin-run22:40:001
407840599262,20cyclictest150346-21apt-get23:30:110
407840599262,20cyclictest145249-21apt-get23:25:120
4078405992616,9cyclictest97440-21kthreadcore22:35:180
4078405992616,8cyclictest73775-21apt-get22:15:160
407840599261,23cyclictest180478-21cron00:00:000
407840599261,21cyclictest0-21swapper/022:10:120
407840599261,14cyclictest144995-21apt23:25:000
407840599260,2cyclictest0-21swapper/021:45:100
407840599260,25cyclictest0-21swapper/000:25:120
407841499251,20cyclictest191342-21apt-get00:10:123
407841499250,22cyclictest4191628-21grep21:00:153
407840999252,20cyclictest4098955-21apt-get19:30:121
4078409992520,3cyclictest22651-21apt-get21:25:121
407840999250,5cyclictest176161-21sort23:55:151
4078405992518,6cyclictest0-21swapper/023:10:140
407840599251,3cyclictest0-21swapper/021:05:000
407840599250,5cyclictest185590-21/usr/sbin/munin00:05:010
407840599250,23cyclictest4129133-21ls20:00:010
407840599250,20cyclictest0-21swapper/019:53:420
407840599250,20cyclictest0-21swapper/019:53:410
4078414992420,2cyclictest170600-21apt-get23:50:113
4078414992419,3cyclictest99598-21apt-get22:40:113
407841499241,20cyclictest4145069-21apt-get20:15:143
407841499240,4cyclictest4084197-21grep19:15:173
4078412992420,2cyclictest4124358-21apt-get19:55:112
4078412992419,3cyclictest514-21in:imuxsock23:30:002
407841299241,21cyclictest32766-21apt-get21:35:132
407841299241,21cyclictest212235-21grep00:30:182
407840999241,3cyclictest4093858-21apt-get19:25:101
407840999241,3cyclictest38285-21apt-get21:40:141
407840999241,20cyclictest0-21swapper/122:20:111
407840999241,20cyclictest0-21swapper/121:05:141
407840999240,22cyclictest3777322-21systemd-journal21:00:011
407840999240,21cyclictest0-21swapper/123:05:121
4078405992420,3cyclictest78865-21apt-get22:20:110
4078405992420,2cyclictest4114243-21apt-get19:45:130
4078405992419,3cyclictest37576-21sh21:40:000
4078405992418,4cyclictest170337-21cron23:50:000
407840599241,22cyclictest4103797-21idleruntime-cro19:35:000
407840599240,22cyclictest4135365-21irqcore20:05:160
4078414992319,2cyclictest7371-21apt-get21:10:123
4078414992319,2cyclictest4118101-21ntpq19:45:203
407841499231,2cyclictest27412-21cron21:30:003
407841499231,2cyclictest109740-21apt-get22:50:123
407841499231,20cyclictest4181013-21apt-get20:50:133
407841499230,20cyclictest0-21swapper/321:40:143
407841499230,20cyclictest0-21swapper/300:30:143
407841499230,19cyclictest0-21swapper/323:15:123
407841499230,19cyclictest0-21swapper/322:35:123
407841299232,2cyclictest4104069-21apt-get19:35:112
4078412992319,3cyclictest4150665-21irqcore20:20:172
407841299231,2cyclictest104648-21apt-get22:45:122
4078409992319,2cyclictest48438-21apt-get21:50:111
4078409992318,2cyclictest0-21swapper/100:15:111
407840999231,19cyclictest0-21swapper/123:35:121
407840999231,19cyclictest0-21swapper/123:10:141
407840999231,19cyclictest0-21swapper/122:50:121
407840999231,19cyclictest0-21swapper/122:25:131
407840999230,3cyclictest74281-21tr22:15:191
407840999230,21cyclictest105132-21ps22:45:171
407840999230,20cyclictest0-21swapper/123:50:111
407840999230,20cyclictest0-21swapper/100:20:121
4078405992319,2cyclictest221689-21wc00:40:010
4078405992319,2cyclictest201525-21apt-get00:20:130
4078405992318,3cyclictest4145554-21ps20:15:180
407840599231,2cyclictest0-21swapper/020:45:120
407840599231,21cyclictest4078622-21apt-get19:10:110
407840599231,21cyclictest0-21swapper/023:40:120
407840599231,20cyclictest2252-21apt-get21:05:140
407840599231,20cyclictest0-21swapper/019:20:120
4078405992311,10cyclictest114601-21turbostat22:55:000
407840599230,21cyclictest64-21kcompactd022:45:110
407840599230,20cyclictest0-21swapper/021:15:130
4078414992218,2cyclictest4134875-21apt-get20:05:123
4078414992218,2cyclictest12487-21apt-get21:15:123
4078414992215,5cyclictest28178-21irqcore21:30:143
407841499221,20cyclictest4159118-21ntpq20:25:193
407841499221,20cyclictest0-21swapper/319:13:233
407841499221,1cyclictest73775-21apt-get22:15:153
407841499221,1cyclictest196412-21apt-get00:15:113
407841499220,20cyclictest134804-21cron23:15:003
407841499220,20cyclictest0-21swapper/319:30:123
407841499220,19cyclictest0-21swapper/322:45:123
407841499220,19cyclictest0-21swapper/320:40:103
407841499220,18cyclictest0-21swapper/319:35:113
4078412992220,1cyclictest216778-21apt-get00:35:122
4078412992218,2cyclictest129771-21latency_hist23:10:002
4078412992218,2cyclictest110026-21/usr/sbin/munin22:50:142
4078412992217,3cyclictest3777322-21systemd-journal19:50:002
407841299221,20cyclictest22651-21apt-get21:25:122
407841299221,20cyclictest186766-21ps00:05:202
407841299221,20cyclictest181248-21sed00:00:162
407841299221,20cyclictest114858-21apt-get22:55:132
407841299221,20cyclictest0-21swapper/223:30:112
4078409992219,2cyclictest4170437-21apt-get20:40:111
4078409992219,2cyclictest1-21systemd00:40:001
4078409992219,2cyclictest0-21swapper/121:15:131
4078409992219,1cyclictest0-21swapper/122:40:111
4078409992218,2cyclictest4180346-21https20:50:001
4078409992217,3cyclictest0-21swapper/123:20:101
407840999220,2cyclictest94253-21cron22:35:001
407840999220,2cyclictest4129828-21apt-get20:00:101
407840999220,2cyclictest211452-21cron00:30:001
407840999220,21cyclictest215804-21taskset00:30:251
407840999220,20cyclictest0-21swapper/121:00:111
407840999220,19cyclictest0-21swapper/123:25:121
407840599221,20cyclictest0-21swapper/000:05:160
407840599220,21cyclictest115354-21ps22:55:180
4078414992119,1cyclictest0-21swapper/323:40:113
4078414992119,1cyclictest0-21swapper/319:26:493
4078414992118,2cyclictest89451-21apt-get22:30:113
407841499210,2cyclictest68990-21fw_forwarded_lo22:10:153
407841499210,2cyclictest0-21swapper/323:35:133
407841499210,20cyclictest64-21kcompactd022:26:543
407841499210,20cyclictest4161250-21sed20:30:163
407841499210,20cyclictest0-21swapper/321:50:213
407841499210,20cyclictest0-21swapper/320:00:113
407841499210,20cyclictest0-21swapper/300:21:573
407841499210,1cyclictest0-21swapper/321:05:143
407841499210,1cyclictest0-21swapper/320:55:123
407841499210,19cyclictest0-21swapper/323:05:133
407841499210,18cyclictest0-21swapper/323:00:093
4078412992119,1cyclictest0-21swapper/220:15:142
4078412992118,2cyclictest165532-21apt-get23:45:122
4078412992116,3cyclictest500-21dbus-daemon20:50:002
407841299211,19cyclictest0-21swapper/219:20:122
407841299210,2cyclictest17301-21ls21:20:002
407841299210,20cyclictest0-21swapper/223:50:142
407841299210,20cyclictest0-21swapper/223:35:122
407841299210,1cyclictest91678-21modprobe22:30:162
4078409992119,1cyclictest4092709-21ntpq19:20:201
4078409992119,1cyclictest0-21swapper/121:35:131
4078409992119,1cyclictest0-21swapper/120:35:111
4078409992119,1cyclictest0-21swapper/119:47:461
4078409992118,2cyclictest64-21kcompactd022:03:461
4078409992118,1cyclictest0-21swapper/122:05:161
4078409992117,2cyclictest0-21swapper/123:15:131
4078409992117,2cyclictest0-21swapper/120:25:121
4078409992116,2cyclictest0-21swapper/121:30:101
407840999211,10cyclictest155182-21munin-run23:35:001
407840999210,20cyclictest64-21kcompactd020:13:031
407840999210,20cyclictest4084180-21ps19:15:171
407840999210,18cyclictest0-21swapper/119:50:131
407840999210,18cyclictest0-21swapper/119:50:121
4078405992119,1cyclictest0-21swapper/023:54:320
4078405992118,2cyclictest211734-21apt-get00:30:130
4078405992118,2cyclictest0-21swapper/020:10:120
407840599211,3cyclictest4170931-21sed20:40:160
4078405992111,9cyclictest4165109-21turbostat20:35:000
407840599210,20cyclictest4152382-21ps20:20:180
407840599210,20cyclictest0-21swapper/021:20:110
407840599210,19cyclictest4098706-21awk19:30:000
4078414992018,1cyclictest0-21swapper/323:55:113
4078414992018,1cyclictest0-21swapper/323:20:113
407841499200,1cyclictest0-21swapper/322:00:103
4078412992018,1cyclictest0-21swapper/223:41:382
4078412992018,1cyclictest0-21swapper/220:25:202
4078412992017,2cyclictest0-21swapper/220:34:322
4078412992015,4cyclictest4186544-21ps20:55:182
407841299200,1cyclictest0-21swapper/223:10:142
407841299200,1cyclictest0-21swapper/221:05:142
407841299200,1cyclictest0-21swapper/220:50:132
407841299200,1cyclictest0-21swapper/219:15:122
407841299200,19cyclictest4119291-21apt-get19:50:142
407841299200,19cyclictest4119291-21apt-get19:50:132
407841299200,19cyclictest0-21swapper/219:12:182
407841299200,19cyclictest0-21swapper/200:20:122
407841299200,19cyclictest0-21swapper/200:00:012
4078409992019,1cyclictest0-21swapper/100:14:581
4078409992018,1cyclictest0-21swapper/121:45:091
4078409992018,1cyclictest0-21swapper/119:35:111
4078409992017,2cyclictest0-21swapper/120:50:131
4078409992017,2cyclictest0-21swapper/120:15:141
4078409992017,1cyclictest0-21swapper/123:45:131
407840999200,1cyclictest0-21swapper/122:10:121
407840599208,11cyclictest139897-21grep23:20:000
4078405992017,2cyclictest58578-21apt-get22:00:100
4078405992017,2cyclictest0-21swapper/022:30:200
4078405992017,2cyclictest0-21swapper/021:50:110
407840599200,1cyclictest64-21kcompactd022:44:070
407840599200,19cyclictest64-21kcompactd021:29:550
407840599200,19cyclictest0-21swapper/000:12:490
4078414991917,1cyclictest0-21swapper/300:08:313
407841499190,1cyclictest0-21swapper/322:20:113
407841499190,18cyclictest4166321-21sort20:35:163
4078412991917,1cyclictest43371-21apt-get21:45:092
4078412991917,1cyclictest0-21swapper/222:15:162
4078412991916,2cyclictest4138852-21ntpq20:05:212
407841299190,19cyclictest0-21swapper/222:00:192
407841299190,19cyclictest0-21swapper/221:44:592
407841299190,19cyclictest0-21swapper/221:20:472
407841299190,18cyclictest0-21swapper/219:30:122
4078409991917,1cyclictest64-21kcompactd021:56:481
4078409991917,1cyclictest0-21swapper/120:20:131
407840999190,1cyclictest0-21swapper/121:10:221
407840999190,1cyclictest0-21swapper/120:07:081
407840999190,18cyclictest0-21swapper/119:10:181
4078405991917,1cyclictest0-21swapper/020:00:100
4078414991816,1cyclictest0-21swapper/321:35:123
407841499180,1cyclictest0-21swapper/320:20:173
4078412991816,1cyclictest84404-21apt-get22:25:122
4078412991816,1cyclictest0-21swapper/221:10:132
4078412991816,1cyclictest0-21swapper/220:35:122
4078412991815,2cyclictest0-21swapper/220:15:002
4078409991816,1cyclictest0-21swapper/119:55:121
4078409991815,2cyclictest0-21swapper/119:40:111
407840599184,4cyclictest158398-21cut23:35:180
407840599181,6cyclictest38646-21cut21:40:170
407840599181,5cyclictest4104210-21cut19:35:120
407840599180,6cyclictest4165368-21apt-get20:35:110
407840599180,5cyclictest129301-21sed23:05:250
4078414991715,1cyclictest0-21swapper/321:45:093
4078414991711,4cyclictest4129348-21apt-key20:00:003
4078412991714,1cyclictest94533-21apt-get22:35:122
407840599170,3cyclictest4181150-21grep20:50:140
4078414991615,1cyclictest0-21swapper/320:11:573
4078414991610,4cyclictest4089273-21irqcore19:20:163
4078412991615,1cyclictest0-21swapper/221:50:112
4078412991614,1cyclictest64-21kcompactd021:31:312
4078412991614,1cyclictest0-21swapper/219:40:112
4078412991613,2cyclictest144978-21idleruntime-cro23:25:002
4078412991612,3cyclictest401ktimers/220:00:102
407841299160,0cyclictest0-21swapper/221:00:102
407840599161,3cyclictest0-21swapper/019:10:000
4078414991513,1cyclictest0-21swapper/319:50:133
4078414991513,1cyclictest0-21swapper/319:50:123
4078414991513,1cyclictest0-21swapper/300:35:123
4078414991512,2cyclictest0-21swapper/320:50:003
407841499151,1cyclictest170349-21grep23:50:003
4078412991513,1cyclictest0-21swapper/222:05:142
4078412991512,2cyclictest377-21hwrng22:24:492
4078412991510,3cyclictest4093858-21apt-get19:25:112
4078414991411,2cyclictest21411-21needreboot21:20:183
4078414991410,2cyclictest154266-21ntpq23:30:193
4078412991412,1cyclictest64-21kcompactd000:18:112
4078412991411,2cyclictest401ktimers/223:19:552
4078412991411,2cyclictest391rcuc/223:05:002
4078409991412,1cyclictest0-21swapper/121:20:111
4078409991412,1cyclictest0-21swapper/119:10:001
4078409991410,2cyclictest0-21swapper/100:05:011
4078414991310,2cyclictest57327-21needreboot21:55:193
407841299135,2cyclictest191rcu_preempt00:10:112
4078412991310,2cyclictest68696-21apt-get22:10:132
407840999130,5cyclictest124802-21cat23:05:011
407841299126,4cyclictest99886-21fw_forwarded_lo22:40:132
407841299120,3cyclictest0-21swapper/220:40:112
407840999129,2cyclictest0-21swapper/122:55:131
407840999126,4cyclictest164371-21ntpq23:40:211
407840999120,1cyclictest0-21swapper/100:05:201
407841499105,4cyclictest4078559-21sed19:10:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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