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2025-08-27 - 05:24
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 all highest latencies:
System rackeslot5.osadl.org (updated Wed Aug 27, 2025 00:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
60699300,29cyclictest24502-21cron21:10:012
60699300,29cyclictest12887-21apt-get00:10:132
61999290,1cyclictest29169-21sendmail-msp21:20:013
606992927,1cyclictest12234-21awk19:35:012
60699290,28cyclictest28247-21apt-get23:35:142
60699290,28cyclictest15209-21apt-get00:15:132
60699290,28cyclictest0-21swapper/222:30:162
60699290,28cyclictest0-21swapper/220:15:012
603992927,1cyclictest17462-21basename20:55:001
60399290,28cyclictest8981-21perf22:55:011
60399290,28cyclictest25371-21apt-get22:20:161
59799290,28cyclictest0-21swapper/019:25:130
61999280,28cyclictest26560-21apt-get20:05:153
61999280,28cyclictest0-21swapper/322:50:133
61999280,27cyclictest12522-21apt-get19:35:153
61999280,27cyclictest0-21swapper/323:30:133
61999280,0cyclictest0-21swapper/323:35:143
61999280,0cyclictest0-21swapper/322:40:193
61999280,0cyclictest0-21swapper/321:20:133
61999280,0cyclictest0-21swapper/320:30:123
606992828,0cyclictest0-21swapper/223:25:172
606992827,1cyclictest31787-21apt-get21:25:132
606992827,1cyclictest27221-21munin-run00:40:012
606992827,1cyclictest0-21swapper/220:55:122
606992826,1cyclictest13356-21cron21:55:012
60699280,28cyclictest0-21swapper/221:30:112
60699280,0cyclictest20643-21apt-get22:10:112
603992828,0cyclictest0-21swapper/120:00:141
603992828,0cyclictest0-21swapper/100:10:131
603992827,1cyclictest17559-21apt-get00:20:131
60399280,28cyclictest0-21swapper/120:35:181
597992828,0cyclictest0-21swapper/021:25:140
597992827,1cyclictest28593-21awk20:10:000
597992826,1cyclictest26857-21munin-run21:15:010
619992727,0cyclictest0-21swapper/323:20:183
61999270,0cyclictest0-21swapper/300:30:153
606992727,0cyclictest0-21swapper/221:20:122
606992727,0cyclictest0-21swapper/221:15:142
606992727,0cyclictest0-21swapper/219:50:142
60699270,27cyclictest0-21swapper/222:20:152
60699270,0cyclictest0-21swapper/221:55:142
603992727,0cyclictest0-21swapper/123:20:181
603992727,0cyclictest0-21swapper/122:30:161
603992727,0cyclictest0-21swapper/121:15:151
603992726,0cyclictest0-21swapper/120:40:121
603992725,1cyclictest1438-21basename21:30:001
60399270,0cyclictest0-21swapper/123:30:131
60399270,0cyclictest0-21swapper/123:15:161
60399270,0cyclictest0-21swapper/122:05:131
597992727,0cyclictest10182-21apt-get20:40:010
597992727,0cyclictest0-21swapper/022:20:160
597992725,1cyclictest5509-21cron20:30:010
59799270,0cyclictest0-21swapper/022:35:130
59799270,0cyclictest0-21swapper/000:05:140
619992626,0cyclictest4602-21apt-get22:45:133
619992626,0cyclictest18321-21apt-get22:05:143
619992626,0cyclictest0-21swapper/300:05:143
606992626,0cyclictest0-21swapper/223:15:152
606992626,0cyclictest0-21swapper/222:55:032
603992626,0cyclictest0-21swapper/123:05:141
603992626,0cyclictest0-21swapper/122:40:191
603992626,0cyclictest0-21swapper/122:35:141
597992626,0cyclictest0-21swapper/023:25:170
597992626,0cyclictest0-21swapper/022:45:120
597992626,0cyclictest0-21swapper/019:45:150
597992625,1cyclictest0-21swapper/020:25:010
619992525,0cyclictest21894-21apt-get19:55:143
619992525,0cyclictest0-21swapper/300:20:123
606992525,0cyclictest0-21swapper/223:00:132
603992525,0cyclictest0-21swapper/122:45:131
603992525,0cyclictest0-21swapper/120:05:161
597992525,0cyclictest0-21swapper/023:00:140
597992525,0cyclictest0-21swapper/021:15:150
597992525,0cyclictest0-21swapper/020:30:120
597992525,0cyclictest0-21swapper/000:00:140
619992424,0cyclictest24236-21apt-get20:00:143
606992424,0cyclictest0-21swapper/220:20:142
606992424,0cyclictest0-21swapper/200:05:132
603992424,0cyclictest0-21swapper/122:55:121
603992424,0cyclictest0-21swapper/100:05:131
603992422,1cyclictest818-21cron20:20:011
597992424,0cyclictest5465-21apt-get23:55:140
597992424,0cyclictest2835-21apt-get23:50:130
597992424,0cyclictest0-21swapper/022:40:180
597992424,0cyclictest0-21swapper/021:55:130
597992424,0cyclictest0-21swapper/019:20:130
597992424,0cyclictest0-21swapper/000:20:130
619992323,0cyclictest18875-21apt-get23:15:153
619992323,0cyclictest0-21swapper/320:40:013
603992323,0cyclictest0-21swapper/123:45:191
603992323,0cyclictest0-21swapper/119:50:141
597992323,0cyclictest0-21swapper/019:15:130
619992222,0cyclictest0-21swapper/322:20:153
619992220,1cyclictest303-21systemd-journal20:54:593
606992222,0cyclictest17487-21perf20:55:002
606992222,0cyclictest0-21swapper/222:50:132
603992222,0cyclictest22466-21apt-get21:05:131
603992220,1cyclictest6363-21cron21:40:011
597992222,0cyclictest0-21swapper/022:30:160
619992121,0cyclictest0-21swapper/300:10:133
597992121,0cyclictest11330-21apt-get21:50:160
597992121,0cyclictest0-21swapper/021:05:120
597992121,0cyclictest0-21swapper/019:30:140
597992120,1cyclictest609-21dbus-daemon20:15:000
619992020,0cyclictest30019-21apt-get22:30:153
619992018,1cyclictest1433-21perf21:29:593
606992020,0cyclictest0-21swapper/200:00:142
603992020,0cyclictest0-21swapper/119:55:151
597992020,0cyclictest0-21swapper/022:50:130
597992020,0cyclictest0-21swapper/022:10:120
597992020,0cyclictest0-21swapper/000:10:140
619991919,0cyclictest32342-21apt-get22:35:143
606991917,1cyclictest4883-21cron23:55:012
603991919,0cyclictest0-21swapper/123:00:121
597991919,0cyclictest0-21swapper/023:35:130
597991919,0cyclictest0-21swapper/020:35:180
597991919,0cyclictest0-21swapper/000:15:130
597991917,1cyclictest0-21swapper/000:40:000
619991818,0cyclictest0-21swapper/323:05:153
619991817,1cyclictest9553-21apt-get22:55:133
606991818,0cyclictest0-21swapper/219:25:142
606991816,2cyclictest15121-21cron20:50:002
603991818,0cyclictest0-21swapper/123:55:131
597991818,0cyclictest0-21swapper/021:30:110
597991817,1cyclictest19514-21apt-get19:50:140
619991716,0cyclictest0-21swapper/323:45:193
606991715,1cyclictest0-21swapper/220:34:592
597991717,0cyclictest0-21swapper/021:20:130
619991616,0cyclictest0-21swapper/319:50:133
619991615,1cyclictest843-21sendmail-msp20:20:023
606991616,0cyclictest0-21swapper/222:35:142
60699160,15cyclictest17601-21ntp_states23:10:222
603991614,1cyclictest17558-21needreboot23:10:221
597991616,0cyclictest0-21swapper/023:15:160
597991616,0cyclictest0-21swapper/020:55:110
597991615,1cyclictest0-21swapper/000:25:150
619991515,0cyclictest0-21swapper/321:05:143
61999150,1cyclictest20451-21cstates21:00:153
61999150,1cyclictest0-21swapper/319:45:023
61999150,14cyclictest3436-21/usr/sbin/munin20:25:123
61999150,14cyclictest0-21swapper/321:40:183
61999150,14cyclictest0-21swapper/321:30:193
606991513,1cyclictest22251-21munin-run00:30:012
606991513,1cyclictest0-21swapper/200:20:142
60699150,1cyclictest4347-21munin-run22:45:012
60699150,14cyclictest26834-21latency_hist21:15:012
60699150,14cyclictest1099-21kworker/u8:222:15:162
60699150,14cyclictest0-21swapper/223:56:492
60699150,14cyclictest0-21swapper/223:40:262
60699150,14cyclictest0-21swapper/221:35:162
603991515,0cyclictest0-21swapper/123:50:131
603991515,0cyclictest0-21swapper/119:30:141
603991515,0cyclictest0-21swapper/119:25:131
603991514,1cyclictest5530-21perf20:30:001
603991513,1cyclictest29656-21tr21:20:141
60399150,1cyclictest3571-21grep21:30:211
60399150,1cyclictest0-21swapper/100:00:181
597991515,0cyclictest0-21swapper/022:55:020
59799150,1cyclictest9523-21perl21:45:130
59799150,14cyclictest32259-21ntp_states20:15:200
59799150,14cyclictest15836-21df_inode20:50:140
619991413,1cyclictest6387-21sh21:40:003
619991412,2cyclictest20810-21head00:25:173
61999140,14cyclictest0-21swapper/323:42:033
61999140,14cyclictest0-21swapper/323:11:153
61999140,14cyclictest0-21swapper/322:27:403
61999140,14cyclictest0-21swapper/322:18:083
61999140,14cyclictest0-21swapper/322:00:543
61999140,14cyclictest0-21swapper/321:52:203
61999140,14cyclictest0-21swapper/321:45:263
61999140,14cyclictest0-21swapper/321:10:593
61999140,14cyclictest0-21swapper/320:22:153
61999140,14cyclictest0-21swapper/320:10:543
61999140,14cyclictest0-21swapper/319:45:513
61999140,14cyclictest0-21swapper/319:33:243
61999140,14cyclictest0-21swapper/319:20:383
61999140,14cyclictest0-21swapper/319:11:213
61999140,14cyclictest0-21swapper/300:35:223
61999140,14cyclictest0-21swapper/300:16:033
61999140,0cyclictest0-21swapper/323:25:243
61999140,0cyclictest0-21swapper/322:12:013
61999140,0cyclictest0-21swapper/321:55:143
61999140,0cyclictest0-21swapper/320:55:143
606991414,0cyclictest0-21swapper/220:25:142
60699140,14cyclictest0-21swapper/223:31:582
60699140,14cyclictest0-21swapper/223:20:312
60699140,14cyclictest0-21swapper/222:03:172
60699140,14cyclictest0-21swapper/221:45:362
60699140,14cyclictest0-21swapper/221:00:302
60699140,14cyclictest0-21swapper/220:44:032
60699140,14cyclictest0-21swapper/220:38:472
60699140,14cyclictest0-21swapper/220:15:142
60699140,14cyclictest0-21swapper/220:00:212
60699140,14cyclictest0-21swapper/219:40:122
60699140,14cyclictest0-21swapper/219:38:142
60699140,14cyclictest0-21swapper/219:12:272
60699140,14cyclictest0-21swapper/200:31:592
60699140,0cyclictest0-21swapper/222:48:512
60699140,0cyclictest0-21swapper/219:45:512
60699140,0cyclictest0-21swapper/219:21:072
603991414,0cyclictest0-21swapper/123:35:341
603991414,0cyclictest0-21swapper/123:25:081
603991414,0cyclictest0-21swapper/121:00:571
603991414,0cyclictest0-21swapper/120:21:331
603991414,0cyclictest0-21swapper/100:32:071
603991413,1cyclictest29746-21perf22:30:011
603991413,1cyclictest12932-21df19:35:141
60399140,14cyclictest0-21swapper/123:44:081
60399140,14cyclictest0-21swapper/122:01:421
60399140,14cyclictest0-21swapper/121:56:211
60399140,14cyclictest0-21swapper/121:52:211
60399140,14cyclictest0-21swapper/121:45:331
60399140,14cyclictest0-21swapper/121:41:061
60399140,14cyclictest0-21swapper/121:13:151
60399140,14cyclictest0-21swapper/120:45:191
60399140,14cyclictest0-21swapper/119:20:141
60399140,14cyclictest0-21swapper/119:15:591
60399140,14cyclictest0-21swapper/119:12:211
60399140,0cyclictest0-21swapper/122:11:031
60399140,0cyclictest0-21swapper/120:55:211
60399140,0cyclictest0-21swapper/120:31:211
60399140,0cyclictest0-21swapper/120:10:071
60399140,0cyclictest0-21swapper/119:45:041
60399140,0cyclictest0-21swapper/119:40:321
60399140,0cyclictest0-21swapper/100:38:111
60399140,0cyclictest0-21swapper/100:26:011
60399140,0cyclictest0-21swapper/100:17:001
597991414,0cyclictest0-21swapper/023:23:380
597991414,0cyclictest0-21swapper/022:15:190
597991414,0cyclictest0-21swapper/022:00:350
59799140,14cyclictest0-21swapper/023:30:060
59799140,14cyclictest0-21swapper/023:11:130
59799140,14cyclictest0-21swapper/022:25:030
59799140,14cyclictest0-21swapper/022:05:210
59799140,14cyclictest0-21swapper/021:41:510
59799140,14cyclictest0-21swapper/021:02:510
59799140,14cyclictest0-21swapper/020:46:530
59799140,14cyclictest0-21swapper/020:00:260
59799140,14cyclictest0-21swapper/019:41:400
59799140,14cyclictest0-21swapper/019:35:550
59799140,0cyclictest0-21swapper/023:46:290
59799140,0cyclictest0-21swapper/023:41:120
59799140,0cyclictest0-21swapper/023:09:550
59799140,0cyclictest0-21swapper/019:55:500
59799140,0cyclictest0-21swapper/019:12:010
59799140,0cyclictest0-21swapper/000:30:220
619991313,0cyclictest0-21swapper/323:57:553
619991313,0cyclictest0-21swapper/323:52:503
619991313,0cyclictest0-21swapper/323:00:083
619991313,0cyclictest0-21swapper/320:45:103
619991313,0cyclictest0-21swapper/319:25:373
619991313,0cyclictest0-21swapper/319:17:593
619991313,0cyclictest0-21swapper/300:01:403
606991313,0cyclictest0-21swapper/223:46:502
606991313,0cyclictest0-21swapper/223:08:182
606991313,0cyclictest0-21swapper/220:05:312
606991313,0cyclictest0-21swapper/219:55:082
606991313,0cyclictest0-21swapper/219:15:202
606991311,1cyclictest0-21swapper/222:25:202
60699130,0cyclictest0-21swapper/222:05:392
597991313,0cyclictest0-21swapper/021:35:440
603991212,0cyclictest0-21swapper/122:15:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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