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2025-11-18 - 00:50
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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 376 highest latencies:
System rackeslot5.osadl.org (updated Mon Nov 17, 2025 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6387993127,4cyclictest0-21swapper/311:25:153
6386993028,1cyclictest4935-21cron08:15:022
6387992928,1cyclictest14593-21apt-get08:35:003
638799290,28cyclictest7010-21cron11:45:013
638799290,28cyclictest31837-21apt-get09:10:143
638799290,28cyclictest29510-21apt-get09:05:143
638799290,28cyclictest23326-21apt-get07:45:153
638799290,28cyclictest13472-21apt-get09:40:143
638699290,28cyclictest0-21swapper/212:25:152
638699290,28cyclictest0-21swapper/209:35:142
6385992927,1cyclictest28028-21cron12:30:001
638599290,28cyclictest12539-21apt-get08:30:131
638599290,28cyclictest0-21swapper/111:25:141
638599290,28cyclictest0-21swapper/110:45:131
6381992927,1cyclictest4963-21perf08:15:020
638199290,28cyclictest12275-21munin-run08:29:590
638199290,28cyclictest0-21swapper/011:15:010
638199290,28cyclictest0-21swapper/009:50:000
638199290,1cyclictest18133-21munin-run11:00:010
6387992826,1cyclictest609-21dbus-daemon09:40:013
638799280,0cyclictest0-21swapper/309:00:153
638799280,0cyclictest0-21swapper/307:50:143
6386992828,0cyclictest0-21swapper/209:15:132
638699280,0cyclictest15167-21apt-get08:35:132
6385992828,0cyclictest0-21swapper/111:45:131
6385992827,1cyclictest27730-21cron07:55:001
638599280,27cyclictest13722-21apt-get10:50:131
638599280,27cyclictest0-21swapper/109:30:131
638599280,1cyclictest20185-21perf09:55:001
638599280,0cyclictest0-21swapper/108:35:011
638199280,28cyclictest0-21swapper/010:10:160
638199280,28cyclictest0-21swapper/009:25:000
638199280,27cyclictest0-21swapper/011:35:010
638199280,1cyclictest0-21swapper/007:55:010
6387992727,0cyclictest9631-21apt-get11:50:133
6387992727,0cyclictest8803-21apt-get09:30:123
6387992727,0cyclictest0-21swapper/310:50:143
6387992726,1cyclictest32717-21apt-get11:30:153
638799270,0cyclictest8922-21apt-get07:15:123
638799270,0cyclictest11272-21apt-get07:20:133
6386992727,0cyclictest0-21swapper/208:40:112
6386992727,0cyclictest0-21swapper/208:25:132
6386992727,0cyclictest0-21swapper/207:45:142
6386992724,2cyclictest23325-21cron12:20:022
638699270,27cyclictest0-21swapper/210:00:152
638699270,0cyclictest0-21swapper/210:20:142
638699270,0cyclictest0-21swapper/207:55:152
6385992727,0cyclictest21003-21apt-get07:40:151
6385992727,0cyclictest0-21swapper/112:00:141
6385992727,0cyclictest0-21swapper/111:55:141
6385992727,0cyclictest0-21swapper/111:50:141
6381992727,0cyclictest0-21swapper/012:05:170
6381992727,0cyclictest0-21swapper/010:45:140
6381992727,0cyclictest0-21swapper/010:35:120
6381992727,0cyclictest0-21swapper/007:40:150
6381992727,0cyclictest0-21swapper/007:20:130
6387992626,0cyclictest0-21swapper/307:30:143
6387992626,0cyclictest0-21swapper/307:10:123
6386992626,0cyclictest0-21swapper/210:10:162
6386992626,0cyclictest0-21swapper/208:20:162
6386992626,0cyclictest0-21swapper/208:00:132
6386992624,1cyclictest609-21dbus-daemon10:40:012
6385992626,0cyclictest16224-21apt-get07:30:141
6385992626,0cyclictest0-21swapper/111:30:141
6385992626,0cyclictest0-21swapper/110:30:121
6385992626,0cyclictest0-21swapper/109:10:121
6385992626,0cyclictest0-21swapper/109:05:131
6385992626,0cyclictest0-21swapper/108:25:001
6385992626,0cyclictest0-21swapper/108:15:181
6385992626,0cyclictest0-21swapper/107:55:161
6381992626,0cyclictest0-21swapper/012:30:000
6381992625,1cyclictest32431-21apt-get08:05:020
6386992524,1cyclictest611-21avahi-daemon08:34:592
6386992523,1cyclictest0-21swapper/210:45:012
6385992525,0cyclictest21273-21apt-get12:15:151
6385992524,0cyclictest0-21swapper/111:45:001
6385992523,1cyclictest24540-21apt-get08:55:131
6381992525,0cyclictest0-21swapper/010:05:160
6381992525,0cyclictest0-21swapper/009:10:140
6381992525,0cyclictest0-21swapper/009:05:130
6387992424,0cyclictest6156-21anacron10:31:363
6386992424,0cyclictest13314-21apt-get07:25:032
6386992423,1cyclictest4973-21apt-get11:40:132
6385992424,0cyclictest0-21swapper/110:35:121
6385992422,1cyclictest22757-21cron11:10:011
6381992424,0cyclictest0-21swapper/012:35:170
6381992424,0cyclictest0-21swapper/011:50:140
6381992424,0cyclictest0-21swapper/008:30:140
6387992323,0cyclictest0-21swapper/311:05:133
6386992323,0cyclictest0-21swapper/212:20:152
6386992323,0cyclictest0-21swapper/211:15:162
6386992323,0cyclictest0-21swapper/211:15:162
6385992323,0cyclictest0-21swapper/107:25:141
6385992323,0cyclictest0-21swapper/107:20:141
6381992323,0cyclictest0-21swapper/011:45:150
6381992323,0cyclictest0-21swapper/010:15:160
6381992323,0cyclictest0-21swapper/009:00:140
6381992321,1cyclictest626-21gdbus11:05:010
6387992222,0cyclictest21906-21perf08:50:003
6387992222,0cyclictest0-21swapper/310:40:133
6387992222,0cyclictest0-21swapper/308:05:023
6386992222,0cyclictest0-21swapper/211:20:132
6386992222,0cyclictest0-21swapper/209:25:132
6386992222,0cyclictest0-21swapper/207:35:142
6385992222,0cyclictest0-21swapper/110:15:161
6385992221,1cyclictest18692-21munin-run12:10:021
6387992121,0cyclictest7307-21apt-get11:45:153
6387992120,1cyclictest20739-21munin-run07:40:023
6386992121,0cyclictest0-21swapper/211:10:022
6386992121,0cyclictest0-21swapper/209:55:152
6386992121,0cyclictest0-21swapper/209:20:152
6386992121,0cyclictest0-21swapper/208:45:142
6385992119,1cyclictest25435-21cron11:15:011
6381992121,0cyclictest0-21swapper/012:15:140
6381992121,0cyclictest0-21swapper/010:20:120
638199210,8cyclictest0-21swapper/009:25:130
6385992020,0cyclictest0-21swapper/109:45:121
6381992020,0cyclictest0-21swapper/007:10:130
6387991919,0cyclictest0-21swapper/310:10:153
6386991919,0cyclictest0-21swapper/209:50:122
6385991919,0cyclictest0-21swapper/110:00:161
6385991919,0cyclictest0-21swapper/107:10:141
6387991818,0cyclictest0-21swapper/310:35:133
6387991818,0cyclictest0-21swapper/309:20:153
638799181,13cyclictest0-21swapper/308:25:033
6386991818,0cyclictest0-21swapper/212:30:162
6386991818,0cyclictest0-21swapper/210:25:142
6381991818,0cyclictest0-21swapper/012:00:140
6381991818,0cyclictest0-21swapper/010:50:140
6381991818,0cyclictest0-21swapper/009:16:350
6381991818,0cyclictest0-21swapper/008:45:140
6381991818,0cyclictest0-21swapper/008:40:120
6381991818,0cyclictest0-21swapper/007:30:140
6381991817,1cyclictest7321-21perf08:20:010
6381991816,1cyclictest30361-21cron12:35:000
6387991717,0cyclictest11400-21apt-get10:45:143
6387991717,0cyclictest0-21swapper/309:55:013
6387991717,0cyclictest0-21swapper/308:30:143
6387991715,2cyclictest28029-21latency_hist12:30:013
6386991717,0cyclictest0-21swapper/212:10:152
6386991717,0cyclictest0-21swapper/208:05:152
6386991716,1cyclictest28935-21apt-get09:05:022
6381991715,1cyclictest0-21swapper/012:15:010
638799163,13cyclictest0-21swapper/311:12:593
6386991616,0cyclictest0-21swapper/208:15:182
638699160,15cyclictest13006-21ntp_states11:55:182
638599164,5cyclictest0-21swapper/110:05:161
6385991616,0cyclictest0-21swapper/109:40:131
6385991614,1cyclictest609-21dbus-daemon08:29:591
638599160,1cyclictest303-21systemd-journal09:59:591
638599160,15cyclictest11758-21gltestperf09:35:161
6381991614,1cyclictest0-21swapper/011:35:190
6387991515,0cyclictest14301-21apt-get12:00:133
6387991515,0cyclictest0-21swapper/311:55:133
6387991514,1cyclictest28028-21apt-get07:55:163
638799151,14cyclictest0-21swapper/311:24:123
638799150,1cyclictest14307-21cstates07:25:153
6386991515,0cyclictest0-21swapper/211:35:142
6386991514,1cyclictest0-21swapper/210:55:152
6386991513,2cyclictest27789-21memory09:00:192
6385991514,1cyclictest0-21swapper/107:45:211
6385991514,0cyclictest0-21swapper/111:00:161
638599150,14cyclictest3082-21cpuspeed_turbos08:10:151
638599150,14cyclictest0-21swapper/108:40:201
638599150,14cyclictest0-21swapper/108:05:231
6381991515,0cyclictest0-21swapper/007:25:140
6381991513,1cyclictest9970-21ntp_states07:15:180
6381991513,1cyclictest32015-21users08:00:230
6381991513,1cyclictest0-21swapper/009:45:000
638199150,1cyclictest8695-21irqstats08:20:180
638199150,14cyclictest21500-21ntp_states09:55:210
6387991414,0cyclictest5235-21apt-get08:15:183
6387991414,0cyclictest0-21swapper/310:23:173
6387991414,0cyclictest0-21swapper/307:40:163
638799140,14cyclictest0-21swapper/312:37:373
638799140,14cyclictest0-21swapper/312:30:353
638799140,14cyclictest0-21swapper/312:16:383
638799140,14cyclictest0-21swapper/312:11:353
638799140,14cyclictest0-21swapper/311:36:083
638799140,14cyclictest0-21swapper/311:15:013
638799140,14cyclictest0-21swapper/311:15:013
638799140,14cyclictest0-21swapper/311:00:533
638799140,14cyclictest0-21swapper/310:55:183
638799140,14cyclictest0-21swapper/310:27:363
638799140,14cyclictest0-21swapper/310:18:333
638799140,14cyclictest0-21swapper/310:06:163
638799140,14cyclictest0-21swapper/309:47:113
638799140,14cyclictest0-21swapper/309:25:313
638799140,14cyclictest0-21swapper/308:57:253
638799140,14cyclictest0-21swapper/308:20:453
638799140,14cyclictest0-21swapper/308:11:523
638799140,0cyclictest0-21swapper/312:20:313
638799140,0cyclictest0-21swapper/312:07:493
638799140,0cyclictest0-21swapper/310:04:023
638799140,0cyclictest0-21swapper/309:55:243
638799140,0cyclictest0-21swapper/309:16:023
638799140,0cyclictest0-21swapper/308:01:023
6386991414,0cyclictest22162-21apt-get08:50:132
6386991414,0cyclictest0-21swapper/211:45:272
6386991414,0cyclictest0-21swapper/210:50:162
6386991414,0cyclictest0-21swapper/210:16:112
6386991414,0cyclictest0-21swapper/207:50:152
6386991414,0cyclictest0-21swapper/207:15:132
6386991413,1cyclictest4911-21fschecks_time10:30:152
638699140,14cyclictest0-21swapper/212:35:012
638699140,14cyclictest0-21swapper/212:06:052
638699140,14cyclictest0-21swapper/211:50:212
638699140,14cyclictest0-21swapper/211:30:092
638699140,14cyclictest0-21swapper/211:27:482
638699140,14cyclictest0-21swapper/211:06:162
638699140,14cyclictest0-21swapper/209:33:062
638699140,14cyclictest0-21swapper/209:13:372
638699140,14cyclictest0-21swapper/208:58:332
638699140,14cyclictest0-21swapper/207:42:482
638699140,14cyclictest0-21swapper/207:20:212
638699140,0cyclictest0-21swapper/212:04:522
638699140,0cyclictest0-21swapper/211:04:402
638699140,0cyclictest0-21swapper/210:05:042
638699140,0cyclictest0-21swapper/209:41:382
638699140,0cyclictest0-21swapper/207:30:542
6385991414,0cyclictest0-21swapper/112:30:011
6385991414,0cyclictest0-21swapper/111:35:181
6385991414,0cyclictest0-21swapper/111:22:371
6385991414,0cyclictest0-21swapper/110:22:561
6385991414,0cyclictest0-21swapper/109:27:241
6385991414,0cyclictest0-21swapper/109:00:151
6385991412,1cyclictest29254-21taskset10:11:411
6385991412,1cyclictest0-21swapper/108:45:221
638599140,14cyclictest0-21swapper/112:36:331
638599140,14cyclictest0-21swapper/112:12:291
638599140,14cyclictest0-21swapper/111:15:401
638599140,14cyclictest0-21swapper/111:15:401
638599140,14cyclictest0-21swapper/110:55:061
638599140,14cyclictest0-21swapper/110:25:081
638599140,14cyclictest0-21swapper/107:36:471
638599140,0cyclictest0-21swapper/112:20:091
638599140,0cyclictest0-21swapper/110:40:391
638599140,0cyclictest0-21swapper/109:16:151
638599140,0cyclictest0-21swapper/108:01:231
638599140,0cyclictest0-21swapper/107:15:011
6381991414,0cyclictest22162-21apt-get08:50:120
6381991414,0cyclictest0-21swapper/011:20:290
6381991414,0cyclictest0-21swapper/011:17:420
6381991414,0cyclictest0-21swapper/011:17:420
6381991414,0cyclictest0-21swapper/008:55:120
6381991413,1cyclictest9326-21perl09:30:150
638199140,14cyclictest0-21swapper/012:20:300
638199140,14cyclictest0-21swapper/011:56:100
638199140,14cyclictest0-21swapper/011:40:300
638199140,14cyclictest0-21swapper/011:26:240
638199140,14cyclictest0-21swapper/011:06:470
638199140,14cyclictest0-21swapper/010:42:570
638199140,14cyclictest0-21swapper/010:30:480
638199140,14cyclictest0-21swapper/010:25:290
638199140,14cyclictest0-21swapper/009:50:490
638199140,14cyclictest0-21swapper/008:37:010
638199140,14cyclictest0-21swapper/007:58:270
638199140,0cyclictest0-21swapper/010:01:170
638199140,0cyclictest0-21swapper/009:35:210
638199140,0cyclictest0-21swapper/007:46:500
6387991313,0cyclictest23523-21switchtime08:50:203
6387991313,0cyclictest0-21swapper/308:40:383
6386991313,0cyclictest0-21swapper/207:11:222
6385991313,0cyclictest0-21swapper/108:50:261
6385991312,1cyclictest4147-21apt-get09:20:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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