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2026-08-06 - 04:57
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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 rackaslot8.osadl.org (updated Thu Aug 06, 2026 00:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
295192288263,16sleep20-21swapper/219:06:452
278002279249,20sleep30-21swapper/319:05:033
296212278248,19sleep00-21swapper/019:08:050
296472277252,16sleep10-21swapper/119:08:261
76252620,0sleep10-21swapper/122:00:401
202882590,0sleep30-21swapper/300:05:593
3132220,0sleep20-21swapper/222:35:202
174212220,0sleep30-21swapper/321:00:183
287122200,0sleep20-21swapper/200:11:102
230572190,0sleep00-21swapper/023:28:560
111822190,0sleep00-21swapper/023:21:030
236062180,0sleep00-21swapper/022:50:040
104862180,0sleep00-21swapper/022:41:230
3232170,0sleep10-21swapper/121:17:061
309912150,0sleep10-21swapper/100:12:571
115262150,0sleep20-21swapper/222:23:192
95752130,0sleep30-21swapper/300:20:003
125872130,0sleep20-21swapper/223:22:092
2989499110,3cyclictest13312-21ssh22:43:351
143662110,0sleep114365-21ssh22:25:051
2989499102,2cyclictest560-21gdbus23:15:011
2989499100,3cyclictest275-21systemd-journal20:03:341
2989499100,2cyclictest275-21systemd-journal20:50:001
2989499100,2cyclictest11821-21cat19:40:011
151172100,0sleep00-21swapper/023:04:410
298949993,1cyclictest7866-21sed19:30:131
298949993,1cyclictest20196-21diskmemload23:23:401
298949993,1cyclictest17574-21sshd21:00:221
298949993,1cyclictest0-21swapper/100:35:151
298949992,2cyclictest658-21snmpd22:17:211
298949992,2cyclictest5726-21if_err_enp4s019:25:151
298949992,2cyclictest21252-21cat21:30:121
298949992,1cyclictest0-21swapper/122:55:031
298949992,1cyclictest0-21swapper/100:25:001
298949991,3cyclictest0-21swapper/122:49:331
298949991,2cyclictest491-21systemd-logind20:24:281
298949991,2cyclictest23765-21munin-run23:10:011
298949990,3cyclictest31624-21rm21:35:551
298949990,3cyclictest275-21systemd-journal23:19:411
298949990,3cyclictest22976-21sh21:10:461
298949990,3cyclictest22933-21ntp_states22:10:171
298949990,3cyclictest21416-21cron22:10:011
298949990,3cyclictest13767-21ssh00:02:171
298949990,3cyclictest13499-21sh20:55:001
298949990,2cyclictest674-21lldpd00:06:101
298949990,2cyclictest275-21systemd-journal20:35:201
23932290,0sleep00-21swapper/022:10:350
299039984,3cyclictest275-21systemd-journal23:30:013
298989984,3cyclictest27291-21ntpq00:30:182
298989980,7cyclictest13530-21sh22:05:062
298949983,1cyclictest0-21swapper/123:47:561
298949983,1cyclictest0-21swapper/121:20:151
298949982,2cyclictest658-21snmpd19:40:221
298949982,2cyclictest14407-21rt-features21:45:191
298949982,1cyclictest22339-21rm21:50:171
298949982,1cyclictest0-21swapper/122:30:511
298949982,1cyclictest0-21swapper/120:15:181
298949981,2cyclictest24748-21sh23:30:061
298949981,2cyclictest17495-21/usr/sbin/munin19:50:181
298949981,1cyclictest0-21swapper/123:25:491
298949980,3cyclictest9439-21wc00:20:001
298949980,3cyclictest6669-21ssh21:40:231
298949980,3cyclictest634-21ssh23:35:131
298949980,3cyclictest6007-21rm22:20:131
298949980,3cyclictest32758-21cat19:15:011
298949980,3cyclictest31058-21cut21:55:231
298949980,3cyclictest29554-21sh23:52:091
298949980,3cyclictest275-21systemd-journal20:44:411
298949980,3cyclictest26661-21df00:30:131
298949980,3cyclictest26430-21ls20:10:151
298949980,3cyclictest24964-21sed20:05:231
298949980,3cyclictest20410-21/usr/sbin/munin19:55:201
298949980,3cyclictest1716-21df23:55:131
298949980,3cyclictest15321-21/usr/sbin/munin19:45:171
298949980,3cyclictest13112-21cstates21:25:141
298949980,3cyclictest12200-21rm23:02:251
298949980,3cyclictest11183-21ssh23:40:351
298949980,3cyclictest10621-21/usr/sbin/munin00:20:161
298949980,2cyclictest275-21systemd-journal19:25:011
298949980,2cyclictest275-21systemd-journal19:10:111
298949980,2cyclictest23787-21sh22:50:111
298949980,1cyclictest491-21systemd-logind21:05:261
298949980,1cyclictest275-21systemd-journal22:35:141
298899987,1cyclictest12-21ksoftirqd/023:40:010
299039973,3cyclictest658-21snmpd22:25:513
299039973,3cyclictest658-21snmpd21:19:033
299039973,3cyclictest275-21systemd-journal21:50:313
299039973,1cyclictest0-21swapper/323:07:243
299039973,1cyclictest0-21swapper/322:06:443
299039972,4cyclictest30498-21uname21:55:193
299039972,3cyclictest275-21systemd-journal21:13:403
298989973,3cyclictest504-21dbus-daemon20:44:592
298989972,4cyclictest658-21snmpd21:54:202
298949970,3cyclictest14031-21cstates20:55:141
298949970,2cyclictest980-21grep20:25:141
298949970,2cyclictest3831-21/usr/sbin/munin20:30:171
298899974,2cyclictest6814-21cron20:40:000
298899973,3cyclictest504-21dbus-daemon23:35:010
298899970,7cyclictest20738-21sh00:26:050
298899970,1cyclictest0-21swapper/000:03:280
24823270,0sleep00-21swapper/000:09:320
18506270,0sleep00-21swapper/021:48:090
299039966,0cyclictest20196-21diskmemload23:51:123
299039966,0cyclictest0-21swapper/322:45:473
299039963,2cyclictest658-21snmpd20:47:513
299039963,2cyclictest6453-21wc19:25:203
299039963,2cyclictest504-21dbus-daemon19:10:193
299039963,2cyclictest3884-21rm23:36:313
299039963,2cyclictest32485-11brltty20:25:193
299039963,2cyclictest32340-21sh23:15:073
299039963,2cyclictest3198-21df_inode19:20:133
299039963,2cyclictest28969-21sh21:35:063
299039963,2cyclictest24301-21sh21:31:373
299039963,2cyclictest2055-21cat23:55:143
299039963,2cyclictest1953-21sh00:35:103
299039963,2cyclictest19055-21ssh23:45:213
299039963,1cyclictest0-21swapper/323:22:473
299039962,3cyclictest9313-21cut19:35:013
299039962,3cyclictest658-21snmpd22:50:083
299039962,3cyclictest658-21snmpd22:40:063
299039962,3cyclictest658-21snmpd22:39:483
299039962,3cyclictest658-21snmpd22:20:093
299039962,3cyclictest658-21snmpd21:23:333
299039962,3cyclictest658-21snmpd20:51:063
299039962,3cyclictest658-21snmpd20:33:203
299039962,3cyclictest658-21snmpd20:10:293
299039962,3cyclictest658-21snmpd20:02:523
299039962,3cyclictest658-21snmpd19:52:373
299039962,3cyclictest658-21snmpd19:38:043
299039962,3cyclictest658-21snmpd19:16:183
299039962,3cyclictest658-21snmpd00:22:033
299039962,3cyclictest504-21dbus-daemon21:40:063
299039962,3cyclictest504-21dbus-daemon21:05:013
299039962,3cyclictest275-21systemd-journal22:04:233
299039962,3cyclictest23756-21cat22:30:153
299039962,3cyclictest14628-21needreboot20:55:173
299039962,3cyclictest10297-21cat00:00:163
299039962,3cyclictest10141-21sh23:00:483
299039962,3cyclictest0-21swapper/319:45:063
299039962,2cyclictest6018-21sshd20:35:183
299039962,1cyclictest0-21swapper/322:10:183
299039961,3cyclictest275-21systemd-journal20:15:123
299039961,1cyclictest19091-21apt-get19:55:113
299039960,6cyclictest15905-21ssh21:46:083
299039960,0cyclictest0-21swapper/323:40:313
298989966,0cyclictest0-21swapper/223:26:392
298989964,1cyclictest0-21swapper/221:20:182
298989963,2cyclictest658-21snmpd23:46:402
298989963,2cyclictest658-21snmpd23:15:342
298989963,2cyclictest658-21snmpd20:54:062
298989963,2cyclictest5789-21taskset00:36:582
298989963,2cyclictest560-21gdbus21:35:002
298989963,2cyclictest491-21systemd-logind00:18:472
298989963,2cyclictest28619-21ssh21:15:062
298989963,2cyclictest275-21systemd-journal21:45:022
298989963,2cyclictest2707-21sh21:38:412
298989963,2cyclictest24780-21ssh23:30:092
298989963,2cyclictest20607-21ssh23:07:342
298989963,2cyclictest15295-21ntp_states19:45:162
298989963,2cyclictest15067-21ssh00:03:192
298989963,2cyclictest12736-21ssh23:41:462
298989963,2cyclictest10004-21ssh22:40:592
298989963,2cyclictest0-21swapper/223:01:592
298989962,3cyclictest658-21snmpd21:43:522
298989962,3cyclictest658-21snmpd20:27:112
298989962,3cyclictest658-21snmpd20:00:312
298989962,3cyclictest658-21snmpd19:21:162
298989962,3cyclictest658-21snmpd19:15:242
298989962,3cyclictest658-21snmpd19:11:452
298989962,3cyclictest658-21snmpd00:20:242
298989962,3cyclictest6228-21cat22:00:162
298989962,3cyclictest32744-21cat22:55:162
298989962,3cyclictest15989-21expr22:45:152
298989962,3cyclictest14431-21awk21:25:212
298989962,2cyclictest5512-1kworker/u9:000:05:452
298989961,4cyclictest22506-21sshd21:10:242
298989960,6cyclictest0-21swapper/222:16:172
298989960,2cyclictest15288-21grep22:25:142
298989960,2cyclictest14794-21grep20:55:192
298989960,0cyclictest0-21swapper/223:11:082
298899966,0cyclictest0-21swapper/020:00:220
298899965,1cyclictest27974-21kworker/0:121:25:000
298899965,1cyclictest12-21ksoftirqd/020:20:000
298899963,2cyclictest7441-21ssh21:21:120
298899963,2cyclictest663-21runrttasks21:08:230
298899963,2cyclictest4214-21wc19:20:180
298899963,2cyclictest29468-21ssh21:55:050
298899963,2cyclictest27663-21chrt20:13:580
298899963,2cyclictest275-21systemd-journal23:10:010
298899963,2cyclictest27034-21cat23:50:190
298899963,2cyclictest26272-21ssh00:30:130
298899963,2cyclictest22290-21sensors21:30:190
298899963,2cyclictest20196-21diskmemload23:11:060
298899963,2cyclictest14167-21wc19:45:010
298899963,2cyclictest0-21swapper/000:23:180
298899962,3cyclictest7340-21cat20:40:130
298899962,3cyclictest658-21snmpd23:55:470
298899962,3cyclictest658-21snmpd23:44:230
298899962,3cyclictest658-21snmpd22:48:060
298899962,3cyclictest658-21snmpd22:21:330
298899962,3cyclictest658-21snmpd22:00:200
298899962,3cyclictest658-21snmpd20:05:080
298899962,3cyclictest658-21snmpd19:49:040
298899962,3cyclictest658-21snmpd19:29:520
298899962,3cyclictest658-21snmpd00:36:120
298899962,3cyclictest658-21snmpd00:15:500
298899962,3cyclictest658-21snmpd00:10:200
298899962,3cyclictest275-21systemd-journal23:19:300
298899962,3cyclictest275-21systemd-journal19:59:240
298899962,3cyclictest15201-21cat22:25:130
298899962,3cyclictest1398-21uname20:25:170
298899962,3cyclictest10410-21uname19:35:150
298899962,1cyclictest0-21swapper/022:55:550
298899962,1cyclictest0-21swapper/022:33:240
298899962,1cyclictest0-21swapper/022:16:390
298899962,1cyclictest0-21swapper/021:35:160
298899960,3cyclictest15734-21turbostat21:00:000
298899960,0cyclictest141rcu_preempt21:00:100
298899960,0cyclictest0-21swapper/021:50:330
299039953,1cyclictest12039-21sh19:40:013
299039952,2cyclictest658-21snmpd20:05:143
299039952,2cyclictest30956-21wc22:15:163
299039952,2cyclictest30353-21date20:20:013
299039952,2cyclictest275-21systemd-journal20:40:183
299039952,2cyclictest25991-21ssh00:30:013
299039952,2cyclictest18422-21cat00:25:113
299039952,1cyclictest0-21swapper/322:55:103
299039951,3cyclictest25846-21/usr/sbin/munin00:10:143
299039951,3cyclictest24878-21ssh23:30:123
299039951,3cyclictest24302-21ssh23:10:133
299039951,3cyclictest13629-21grep21:25:173
298989955,0cyclictest0-21swapper/219:55:102
298989954,1cyclictest28-21ksoftirqd/221:55:022
298989953,1cyclictest7498-21cstates19:30:122
298989953,1cyclictest28638-21expr20:15:152
298989953,1cyclictest28323-11brltty22:30:142
298989952,2cyclictest9883-21expr19:35:122
298989952,2cyclictest9848-21gltestperf20:45:132
298989952,2cyclictest658-21snmpd21:00:062
298989952,2cyclictest658-21snmpd20:35:082
298989952,2cyclictest658-21snmpd20:30:082
298989952,2cyclictest32698-21cat20:25:012
298989952,2cyclictest25759-21sshd20:10:102
298989952,2cyclictest25406-21ssh23:50:082
298989952,2cyclictest23967-21tr22:50:122
298989952,2cyclictest18607-21df_inode21:05:152
298989952,2cyclictest1604-21tr23:35:172
298989952,2cyclictest12354-21expr19:40:162
298989952,2cyclictest0-21swapper/222:10:032
298989951,3cyclictest658-21snmpd23:55:082
298989951,3cyclictest658-21snmpd00:25:032
298989951,3cyclictest24129-21sed20:05:182
298989951,3cyclictest16612-21date19:50:012
298989950,2cyclictest4995-21sshd19:25:032
298899953,1cyclictest4928-21taskset21:40:140
298899952,2cyclictest658-21snmpd23:45:080
298899952,2cyclictest658-21snmpd22:35:120
298899952,2cyclictest658-21snmpd20:45:210
298899952,2cyclictest491-21systemd-logind19:10:110
298899952,2cyclictest28692-21sh21:15:090
298899952,2cyclictest20887-21cat21:10:120
298899952,2cyclictest13904-21cat22:05:130
298899951,3cyclictest658-21snmpd20:20:020
298899951,3cyclictest32495-21gltestperf19:15:000
298899951,3cyclictest275-21systemd-journal19:50:020
298899951,3cyclictest12094-21grep20:50:130
298899951,3cyclictest0-21swapper/020:30:150
298899941,2cyclictest658-21snmpd19:30:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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