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2025-11-11 - 17:07
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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 the highest latencies:
System rackeslot5.osadl.org (updated Tue Nov 11, 2025 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
769599310,30cyclictest27855-21cron10:10:001
7694993028,1cyclictest28679-21cron12:30:010
769499300,2cyclictest3947-21sh09:20:000
7696992927,1cyclictest32490-21cron10:20:012
7696992927,1cyclictest21691-21cron12:15:012
769699290,28cyclictest0-21swapper/211:15:142
769699290,28cyclictest0-21swapper/210:45:132
769699290,28cyclictest0-21swapper/207:55:162
769499290,28cyclictest25772-21cron11:15:010
7697992826,1cyclictest308-21latency_hist11:30:003
769799280,0cyclictest5983-21apt-get08:15:143
7696992828,0cyclictest31932-21apt-get09:10:132
7696992828,0cyclictest0-21swapper/207:40:152
7696992828,0cyclictest0-21swapper/207:35:132
7696992827,1cyclictest26646-21apt-get12:25:132
7696992827,1cyclictest0-21swapper/208:05:012
769699280,0cyclictest26706-21apt-get07:50:132
769699280,0cyclictest26706-21apt-get07:50:132
769699280,0cyclictest14950-21apt-get07:25:132
769699280,0cyclictest0-21swapper/207:45:142
7695992828,0cyclictest0-21swapper/109:30:151
7695992828,0cyclictest0-21swapper/107:20:141
7695992826,1cyclictest3400-21munin-run08:10:021
769599280,1cyclictest11264-21apt-get09:35:021
7694992827,0cyclictest0-21swapper/007:20:140
7697992727,0cyclictest19096-21apt-get11:00:123
7697992727,0cyclictest0-21swapper/307:45:143
7697992727,0cyclictest0-21swapper/307:25:123
769799270,0cyclictest0-21swapper/312:25:133
7696992727,0cyclictest0-21swapper/208:30:122
7696992726,1cyclictest16498-21apt-get09:45:112
7695992727,0cyclictest0-21swapper/112:10:121
7695992727,0cyclictest0-21swapper/108:20:131
7695992725,1cyclictest29316-21awk09:05:001
7694992727,0cyclictest0-21swapper/011:15:140
7694992727,0cyclictest0-21swapper/008:40:120
7694992726,0cyclictest0-21swapper/010:05:120
7694992725,1cyclictest2714-21munin-run11:35:010
769499270,0cyclictest0-21swapper/012:00:120
769799269,0cyclictest0-21swapper/310:25:083
7697992626,0cyclictest0-21swapper/311:50:133
7697992625,1cyclictest5090-21apt-get11:40:023
7697992625,1cyclictest29033-21apt-get07:55:153
7696992626,0cyclictest25815-21apt-get10:05:122
7696992625,0cyclictest1843-21apt-get09:15:152
7696992623,2cyclictest5690-21sh08:15:012
7695992626,0cyclictest0-21swapper/112:00:121
7695992626,0cyclictest0-21swapper/111:30:131
7695992626,0cyclictest0-21swapper/110:20:131
7695992625,1cyclictest29033-21apt-get07:55:151
7695992624,1cyclictest17348-21cron08:40:001
7694992626,0cyclictest0-21swapper/011:45:130
7694992626,0cyclictest0-21swapper/010:40:140
7694992626,0cyclictest0-21swapper/010:15:150
7694992626,0cyclictest0-21swapper/009:55:140
7694992626,0cyclictest0-21swapper/009:10:130
7694992626,0cyclictest0-21swapper/007:55:160
7697992525,0cyclictest0-21swapper/311:05:153
7697992525,0cyclictest0-21swapper/310:55:153
7697992525,0cyclictest0-21swapper/309:15:153
7696992525,0cyclictest0-21swapper/211:50:132
7696992525,0cyclictest0-21swapper/211:20:132
7696992525,0cyclictest0-21swapper/211:00:122
7695992525,0cyclictest0-21swapper/110:50:131
7695992525,0cyclictest0-21swapper/108:50:101
7695992525,0cyclictest0-21swapper/108:00:131
7695992525,0cyclictest0-21swapper/107:40:161
7694992525,0cyclictest0-21swapper/009:35:020
7694992524,1cyclictest22609-21apt-get08:50:100
7697992424,0cyclictest24935-21apt-get08:55:123
7697992424,0cyclictest19601-21apt-get07:35:133
7697992424,0cyclictest0-21swapper/311:20:133
7697992424,0cyclictest0-21swapper/310:10:143
7697992424,0cyclictest0-21swapper/308:25:143
7697992422,1cyclictest24059-21munin-run12:20:013
7696992424,0cyclictest0-21swapper/210:10:142
7696992424,0cyclictest0-21swapper/208:40:002
7695992424,0cyclictest0-21swapper/110:00:141
7695992424,0cyclictest0-21swapper/109:25:021
7695992424,0cyclictest0-21swapper/109:15:151
769599241,9cyclictest0-21swapper/111:00:121
7694992424,0cyclictest0-21swapper/011:35:120
7694992424,0cyclictest0-21swapper/009:40:130
7694992424,0cyclictest0-21swapper/008:45:160
7697992323,0cyclictest0-21swapper/308:40:123
7697992322,1cyclictest12100-21apt-get10:45:123
7696992321,1cyclictest19691-21cron08:45:002
7695992323,0cyclictest12992-21apt-get08:30:131
7695992323,0cyclictest0-21swapper/111:50:011
7695992323,0cyclictest0-21swapper/109:10:121
7695992321,1cyclictest14146-21basename10:50:011
7694992323,0cyclictest0-21swapper/012:35:020
7697992222,0cyclictest0-21swapper/310:00:153
7695992222,0cyclictest30463-21apt-get10:15:151
7695992222,0cyclictest0-21swapper/111:25:131
7694992222,0cyclictest0-21swapper/010:20:130
7694992222,0cyclictest0-21swapper/010:15:010
7697992121,0cyclictest12992-21apt-get08:30:123
7697992121,0cyclictest0-21swapper/307:30:143
7696992119,2cyclictest0-21swapper/208:55:122
7695992121,0cyclictest0-21swapper/110:25:131
7695992119,1cyclictest7128-21cron10:35:001
7694992121,0cyclictest9203-21apt-get09:30:150
7694992121,0cyclictest0-21swapper/010:50:130
7694992120,1cyclictest31375-21apt-get08:00:130
7697992020,0cyclictest11828-21apt-get09:35:133
7697992019,1cyclictest26067-21apt-get11:15:143
7696992020,0cyclictest0-21swapper/211:30:012
7697991919,0cyclictest0-21swapper/309:45:123
7697991919,0cyclictest0-21swapper/307:50:133
7697991919,0cyclictest0-21swapper/307:50:133
7697991916,2cyclictest32516-21sendmail-msp10:20:013
7697991916,2cyclictest21688-21awk12:15:013
7695991919,0cyclictest0-21swapper/111:55:131
7695991918,1cyclictest17662-21apt-get08:40:121
7695991917,1cyclictest609-21dbus-daemon11:15:011
7695991917,1cyclictest28143-21munin-run11:20:001
7694991919,0cyclictest0-21swapper/011:25:130
7694991919,0cyclictest0-21swapper/011:20:140
7694991919,0cyclictest0-21swapper/010:25:140
7697991817,0cyclictest22056-21apt-get07:40:153
7696991818,0cyclictest14427-21apt-get10:50:142
7696991810,8cyclictest271rcuc/210:35:192
7695991817,0cyclictest0-21swapper/111:40:021
769799176,4cyclictest151rcu_preempt09:25:153
7697991717,0cyclictest0-21swapper/309:10:133
769799170,17cyclictest0-21swapper/309:40:193
7696991717,0cyclictest23495-21apt-get10:00:142
7696991717,0cyclictest0-21swapper/211:40:022
7696991717,0cyclictest0-21swapper/210:55:152
7695991715,1cyclictest28673-21cron12:30:011
7694991717,0cyclictest0-21swapper/011:55:140
7694991715,1cyclictest0-21swapper/009:50:000
7697991616,0cyclictest0-21swapper/308:05:013
7696991616,0cyclictest0-21swapper/210:30:132
7696991616,0cyclictest0-21swapper/207:20:132
7695991614,1cyclictest0-21swapper/107:36:541
769599160,15cyclictest26387-21munin-run12:25:011
7694991614,1cyclictest15032-21cron08:35:000
769499160,1cyclictest0-21swapper/008:55:150
7697991513,1cyclictest7953-21perl10:35:143
7697991513,1cyclictest0-21swapper/308:40:003
7696991512,2cyclictest8522-21fschecks_time11:45:152
769699150,1cyclictest303-21systemd-journal07:15:012
769699150,14cyclictest0-21swapper/210:20:072
7695991514,1cyclictest12439-21kworker/1:211:09:561
7695991514,1cyclictest12439-21kworker/1:207:26:001
7695991513,1cyclictest5102-21perf11:40:011
7695991513,1cyclictest21149-21apt-get09:55:141
769599150,1cyclictest20800-21fschecks_time08:45:181
769599150,1cyclictest0-21swapper/110:40:151
769599150,14cyclictest0-21swapper/108:11:131
769599150,14cyclictest0-21swapper/107:50:181
769599150,14cyclictest0-21swapper/107:50:181
769499153,6cyclictest28354-21users07:50:240
769499153,6cyclictest28354-21users07:50:240
7694991514,1cyclictest0-21swapper/007:15:500
769499150,14cyclictest0-21swapper/011:40:230
7697991414,0cyclictest0-21swapper/312:05:373
7697991414,0cyclictest0-21swapper/312:01:513
7697991414,0cyclictest0-21swapper/311:32:113
7697991414,0cyclictest0-21swapper/310:05:123
7697991414,0cyclictest0-21swapper/309:00:523
769799140,14cyclictest0-21swapper/312:35:223
769799140,14cyclictest0-21swapper/312:21:063
769799140,14cyclictest0-21swapper/311:35:383
769799140,14cyclictest0-21swapper/310:40:093
769799140,14cyclictest0-21swapper/310:31:363
769799140,14cyclictest0-21swapper/309:50:403
769799140,14cyclictest0-21swapper/309:30:403
769799140,14cyclictest0-21swapper/309:20:253
769799140,14cyclictest0-21swapper/308:20:163
769799140,14cyclictest0-21swapper/308:10:483
769799140,14cyclictest0-21swapper/308:05:153
769799140,14cyclictest0-21swapper/307:22:033
769799140,14cyclictest0-21swapper/307:14:153
769799140,0cyclictest30907-21mailstats09:05:203
769799140,0cyclictest0-21swapper/312:30:153
769799140,0cyclictest0-21swapper/311:57:033
769799140,0cyclictest0-21swapper/311:47:323
769799140,0cyclictest0-21swapper/311:10:173
769799140,0cyclictest0-21swapper/310:22:203
769799140,0cyclictest0-21swapper/309:57:383
769799140,0cyclictest0-21swapper/308:51:003
769799140,0cyclictest0-21swapper/308:48:013
7696991414,0cyclictest0-21swapper/209:40:102
7696991414,0cyclictest0-21swapper/208:25:142
7696991414,0cyclictest0-21swapper/207:16:162
7696991412,1cyclictest31004-21cron12:35:012
7696991412,0cyclictest151rcu_preempt08:50:252
769699140,14cyclictest0-21swapper/212:35:382
769699140,14cyclictest0-21swapper/212:15:542
769699140,14cyclictest0-21swapper/212:06:182
769699140,14cyclictest0-21swapper/211:57:452
769699140,14cyclictest0-21swapper/211:36:312
769699140,14cyclictest0-21swapper/211:30:412
769699140,14cyclictest0-21swapper/211:11:512
769699140,14cyclictest0-21swapper/211:05:512
769699140,14cyclictest0-21swapper/210:41:022
769699140,14cyclictest0-21swapper/210:29:222
769699140,14cyclictest0-21swapper/209:55:412
769699140,14cyclictest0-21swapper/209:51:522
769699140,14cyclictest0-21swapper/209:35:582
769699140,14cyclictest0-21swapper/209:26:192
769699140,14cyclictest0-21swapper/209:20:502
769699140,14cyclictest0-21swapper/209:07:122
769699140,14cyclictest0-21swapper/209:00:472
769699140,14cyclictest0-21swapper/208:48:022
769699140,14cyclictest0-21swapper/208:22:522
769699140,14cyclictest0-21swapper/208:16:102
769699140,14cyclictest0-21swapper/208:05:022
769699140,14cyclictest0-21swapper/207:30:052
769699140,0cyclictest0-21swapper/212:21:352
769699140,0cyclictest0-21swapper/212:02:002
7695991414,0cyclictest0-21swapper/111:20:181
769599140,14cyclictest0-21swapper/112:36:441
769599140,14cyclictest0-21swapper/112:15:541
769599140,14cyclictest0-21swapper/112:06:341
769599140,14cyclictest0-21swapper/111:50:071
769599140,14cyclictest0-21swapper/110:35:311
769599140,14cyclictest0-21swapper/110:10:491
769599140,14cyclictest0-21swapper/109:45:391
769599140,14cyclictest0-21swapper/109:06:351
769599140,14cyclictest0-21swapper/108:55:121
769599140,14cyclictest0-21swapper/108:25:051
769599140,14cyclictest0-21swapper/107:45:301
769599140,14cyclictest0-21swapper/107:30:111
769599140,14cyclictest0-21swapper/107:15:131
769599140,14cyclictest0-21swapper/107:11:341
769599140,0cyclictest0-21swapper/112:30:291
769599140,0cyclictest0-21swapper/110:55:181
769599140,0cyclictest0-21swapper/109:51:331
769599140,0cyclictest0-21swapper/109:40:241
769599140,0cyclictest0-21swapper/109:21:021
7694991414,0cyclictest0-21swapper/012:16:020
7694991414,0cyclictest0-21swapper/008:35:100
7694991414,0cyclictest0-21swapper/008:08:270
7694991414,0cyclictest0-21swapper/007:45:360
769499140,14cyclictest0-21swapper/012:30:100
769499140,14cyclictest0-21swapper/012:10:250
769499140,14cyclictest0-21swapper/012:05:310
769499140,14cyclictest0-21swapper/011:50:230
769499140,14cyclictest0-21swapper/011:05:040
769499140,14cyclictest0-21swapper/010:57:270
769499140,14cyclictest0-21swapper/010:00:050
769499140,14cyclictest0-21swapper/009:51:330
769499140,14cyclictest0-21swapper/009:25:100
769499140,14cyclictest0-21swapper/009:20:130
769499140,14cyclictest0-21swapper/009:05:180
769499140,14cyclictest0-21swapper/008:25:310
769499140,14cyclictest0-21swapper/008:22:030
769499140,14cyclictest0-21swapper/008:15:470
769499140,14cyclictest0-21swapper/007:40:130
769499140,14cyclictest0-21swapper/007:35:080
769499140,14cyclictest0-21swapper/007:30:020
769499140,14cyclictest0-21swapper/007:25:580
769499140,0cyclictest0-21swapper/012:20:320
769499140,0cyclictest0-21swapper/011:00:000
769499140,0cyclictest0-21swapper/010:46:490
769499140,0cyclictest0-21swapper/010:35:560
769499140,0cyclictest0-21swapper/010:30:010
769499140,0cyclictest0-21swapper/009:00:210
769499140,0cyclictest0-21swapper/008:11:300
769499140,0cyclictest0-21swapper/007:11:310
769799130,0cyclictest0-21swapper/310:51:113
7696991313,0cyclictest0-21swapper/209:30:262
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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