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2025-11-19 - 18:36
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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 Wed Nov 19, 2025 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1991399330,28cyclictest0-21swapper/311:10:143
19907993228,3cyclictest0-21swapper/010:10:010
1990799320,0cyclictest7936-21apt-get10:10:130
19913993126,4cyclictest19639-21apt-get10:35:173
1991399310,30cyclictest14638-21ls10:25:013
1990899310,27cyclictest0-21swapper/108:50:111
19913992925,3cyclictest0-21swapper/310:10:133
19913992923,5cyclictest0-21swapper/310:10:003
1991399290,28cyclictest0-21swapper/309:50:133
1991399290,28cyclictest0-21swapper/308:45:123
19912992928,1cyclictest6758-21awk12:25:012
19912992928,1cyclictest10257-21apt-get10:15:132
1991299290,28cyclictest12002-21apt-get12:35:142
1991299290,28cyclictest0-21swapper/210:55:132
19913992828,0cyclictest0-21swapper/309:05:133
19913992826,2cyclictest0-21swapper/309:25:013
1991399280,27cyclictest0-21swapper/309:00:153
1991399280,0cyclictest0-21swapper/312:35:153
1991399280,0cyclictest0-21swapper/312:20:173
19912992827,1cyclictest15842-21apt-get11:35:132
1991299280,0cyclictest31612-21apt-get11:00:142
1991299280,0cyclictest0-21swapper/210:20:142
19908992826,1cyclictest0-21swapper/110:35:001
1990899280,28cyclictest0-21swapper/111:15:151
19907992827,0cyclictest1514-21apt-get11:05:150
1990799280,28cyclictest0-21swapper/011:30:120
1990799280,0cyclictest0-21swapper/011:00:160
19913992727,0cyclictest0-21swapper/312:05:123
19913992726,0cyclictest0-21swapper/309:55:133
1991399270,0cyclictest0-21swapper/309:40:153
19912992727,0cyclictest0-21swapper/212:25:032
19912992727,0cyclictest0-21swapper/211:50:152
19912992727,0cyclictest0-21swapper/209:15:122
1991299270,0cyclictest0-21swapper/208:05:142
19908992727,0cyclictest0-21swapper/111:35:121
19908992726,1cyclictest22896-21munin-run11:50:011
19908992726,1cyclictest0-21swapper/109:15:131
19908992723,4cyclictest3842-21apt-get11:10:151
1990899270,0cyclictest0-21swapper/110:10:141
19907992727,0cyclictest0-21swapper/011:55:140
19907992727,0cyclictest0-21swapper/008:20:140
19907992725,1cyclictest0-21swapper/012:30:010
19913992626,0cyclictest0-21swapper/312:00:133
19913992626,0cyclictest0-21swapper/308:20:143
19913992626,0cyclictest0-21swapper/308:00:163
19913992624,1cyclictest609-21dbus-daemon07:15:003
19912992626,0cyclictest0-21swapper/211:55:142
19912992626,0cyclictest0-21swapper/210:00:122
19908992626,0cyclictest5611-21apt-get10:05:141
19908992626,0cyclictest26638-21apt-get10:50:131
19908992626,0cyclictest0-21swapper/109:35:131
19908992626,0cyclictest0-21swapper/107:25:141
19908992625,1cyclictest615-21rs:main1
19907992626,0cyclictest0-21swapper/007:25:130
19913992525,0cyclictest0-21swapper/311:00:153
19912992525,0cyclictest4175-21apt-get07:45:132
19908992525,0cyclictest1848-21apt-get07:40:121
19908992525,0cyclictest0-21swapper/112:15:141
19908992525,0cyclictest0-21swapper/111:20:151
19908992525,0cyclictest0-21swapper/109:40:141
19908992524,1cyclictest20856-21apt-get08:20:131
19907992525,0cyclictest19380-21apt-get09:25:120
19907992525,0cyclictest0-21swapper/011:15:140
19907992525,0cyclictest0-21swapper/011:10:140
19907992525,0cyclictest0-21swapper/009:00:160
19907992525,0cyclictest0-21swapper/008:40:140
19907992522,2cyclictest31518-21cron07:35:000
19913992424,0cyclictest0-21swapper/311:30:133
19913992424,0cyclictest0-21swapper/310:15:123
19913992424,0cyclictest0-21swapper/307:25:153
19912992424,0cyclictest0-21swapper/209:55:132
19912992422,1cyclictest1521-21cron07:40:012
19912992422,1cyclictest0-21swapper/212:20:012
19908992424,0cyclictest0-21swapper/112:20:161
19908992423,1cyclictest32496-21apt-get08:45:111
19907992424,0cyclictest2113-21perf12:15:000
19907992424,0cyclictest0-21swapper/007:40:140
19907992423,0cyclictest11173-21apt-get08:00:150
19912992323,0cyclictest0-21swapper/209:35:142
19912992323,0cyclictest0-21swapper/208:15:002
19912992323,0cyclictest0-21swapper/207:30:142
19912992322,1cyclictest10564-21apt-get11:25:012
19908992323,0cyclictest0-21swapper/112:35:141
19908992323,0cyclictest0-21swapper/109:50:131
19908992323,0cyclictest0-21swapper/109:00:151
19908992322,1cyclictest22228-21munin-run07:15:011
19908992320,3cyclictest0-21swapper/110:35:161
19908992320,3cyclictest0-21swapper/109:25:021
19907992323,0cyclictest0-21swapper/012:05:120
19907992323,0cyclictest0-21swapper/009:15:120
19913992222,0cyclictest0-21swapper/311:55:143
19913992222,0cyclictest0-21swapper/311:05:153
19912992222,0cyclictest0-21swapper/211:45:152
19912992222,0cyclictest0-21swapper/210:05:132
19907992222,0cyclictest0-21swapper/010:35:160
19907992220,1cyclictest10916-21awk08:00:010
19913992120,1cyclictest2117-21munin-run12:15:003
19912992121,0cyclictest0-21swapper/207:50:122
19912992119,1cyclictest23747-21sh09:35:002
19908992121,0cyclictest0-21swapper/112:05:131
19908992121,0cyclictest0-21swapper/109:05:141
19908992121,0cyclictest0-21swapper/107:15:151
19908992120,1cyclictest0-21swapper/109:55:131
19907992121,0cyclictest12028-21apt-get09:10:140
19907992121,0cyclictest0-21swapper/009:35:130
19907992121,0cyclictest0-21swapper/007:15:140
19907992121,0cyclictest0-21swapper/007:10:120
19913992020,0cyclictest9413-21perf12:30:023
19913992020,0cyclictest0-21swapper/311:15:143
19913992020,0cyclictest0-21swapper/308:40:143
19913992018,1cyclictest303-21systemd-journal07:35:013
19908992020,0cyclictest0-21swapper/112:00:141
19907992020,0cyclictest9701-21apt-get09:05:130
19913991919,0cyclictest14350-21apt-get09:15:123
19913991919,0cyclictest0-21swapper/307:40:133
19908991919,0cyclictest0-21swapper/108:00:151
19907991919,0cyclictest0-21swapper/010:15:120
19907991918,0cyclictest23153-21apt-get11:50:160
19912991818,0cyclictest0-21swapper/208:15:142
19908991818,0cyclictest13463-21apt-get11:30:121
19908991818,0cyclictest0-21swapper/111:00:161
19908991818,0cyclictest0-21swapper/110:15:131
19907991818,0cyclictest0-21swapper/008:35:120
19913991716,1cyclictest24039-21apt-get09:35:143
1991399170,10cyclictest0-21swapper/311:50:153
19912991717,0cyclictest0-21swapper/207:55:142
19912991716,1cyclictest17312-21seq10:30:142
19912991715,1cyclictest13202-21munin-run11:30:012
19913991616,0cyclictest0-21swapper/309:10:133
19913991616,0cyclictest0-21swapper/307:15:143
19913991615,1cyclictest10891-21perf08:00:013
19913991614,1cyclictest12042-21chrt11:25:183
19913991614,1cyclictest0-21swapper/310:45:013
1991399160,15cyclictest7799-21grep07:50:203
19912991616,0cyclictest0-21swapper/211:40:122
19912991614,2cyclictest13673-21users09:10:232
19908991616,0cyclictest25478-21apt-get11:55:151
19908991616,0cyclictest0-21swapper/111:05:161
1990899160,2cyclictest19119-21sed08:15:171
1990899160,14cyclictest0-21swapper/110:46:421
19907991615,0cyclictest28963-21apt-get10:55:140
19907991614,1cyclictest0-21swapper/010:55:020
1990799160,15cyclictest11080-21packagekitd11:25:010
19913991513,2cyclictest25895-21awk10:45:213
19913991513,1cyclictest0-21swapper/312:15:173
19913991510,5cyclictest25101-21munin-node10:34:433
19912991513,1cyclictest0-21swapper/208:00:172
1991299150,1cyclictest14983-21apt-get10:25:162
1991299150,14cyclictest0-21swapper/208:50:172
19908991514,1cyclictest26836-21kworker/1:312:28:411
19908991513,2cyclictest0-21swapper/108:35:141
1990899150,15cyclictest0-21swapper/108:33:521
1990899150,15cyclictest0-21swapper/108:27:021
1990899150,15cyclictest0-21swapper/107:33:041
1990899150,14cyclictest395-21ntp_states07:35:201
1990899150,0cyclictest0-21swapper/111:42:511
19907991514,1cyclictest24836-21apt-get07:20:140
19907991513,1cyclictest25355-21ntp_states10:45:180
1990799150,1cyclictest19357-21latency_hist10:35:000
1990799150,1cyclictest0-21swapper/009:25:000
1990799150,14cyclictest0-21swapper/008:52:270
19913991414,0cyclictest0-21swapper/310:00:063
1991399140,14cyclictest0-21swapper/312:33:593
1991399140,14cyclictest0-21swapper/311:47:453
1991399140,14cyclictest0-21swapper/311:20:053
1991399140,14cyclictest0-21swapper/309:45:093
1991399140,14cyclictest0-21swapper/309:31:073
1991399140,14cyclictest0-21swapper/309:20:513
1991399140,14cyclictest0-21swapper/308:58:083
1991399140,14cyclictest0-21swapper/308:54:583
1991399140,14cyclictest0-21swapper/308:29:083
1991399140,14cyclictest0-21swapper/308:18:353
1991399140,14cyclictest0-21swapper/308:11:373
1991399140,14cyclictest0-21swapper/307:45:383
1991399140,14cyclictest0-21swapper/307:21:373
1991399140,13cyclictest0-21swapper/310:50:203
1991399140,0cyclictest0-21swapper/311:42:073
1991399140,0cyclictest0-21swapper/310:55:163
1991399140,0cyclictest0-21swapper/310:25:173
1991399140,0cyclictest0-21swapper/308:35:543
1991399140,0cyclictest0-21swapper/308:33:113
1991399140,0cyclictest0-21swapper/308:05:063
1991399140,0cyclictest0-21swapper/307:36:293
19912991414,0cyclictest0-21swapper/212:07:192
19912991414,0cyclictest0-21swapper/210:51:292
1991299140,14cyclictest0-21swapper/212:10:122
1991299140,14cyclictest0-21swapper/212:00:272
1991299140,14cyclictest0-21swapper/211:30:572
1991299140,14cyclictest0-21swapper/211:11:302
1991299140,14cyclictest0-21swapper/211:05:552
1991299140,14cyclictest0-21swapper/210:10:032
1991299140,14cyclictest0-21swapper/209:45:282
1991299140,14cyclictest0-21swapper/209:28:492
1991299140,14cyclictest0-21swapper/209:20:482
1991299140,14cyclictest0-21swapper/209:06:412
1991299140,14cyclictest0-21swapper/209:02:082
1991299140,14cyclictest0-21swapper/208:46:122
1991299140,14cyclictest0-21swapper/208:36:322
1991299140,14cyclictest0-21swapper/208:33:192
1991299140,14cyclictest0-21swapper/208:25:222
1991299140,14cyclictest0-21swapper/208:20:372
1991299140,14cyclictest0-21swapper/207:25:212
1991299140,14cyclictest0-21swapper/207:20:462
1991299140,14cyclictest0-21swapper/207:12:082
1991299140,0cyclictest0-21swapper/210:41:142
1991299140,0cyclictest0-21swapper/210:37:022
1991299140,0cyclictest0-21swapper/209:41:382
1991299140,0cyclictest0-21swapper/208:55:152
1991299140,0cyclictest0-21swapper/207:40:132
19908991414,0cyclictest0-21swapper/108:09:561
19908991413,1cyclictest0-21swapper/108:40:151
1990899140,14cyclictest0-21swapper/112:30:021
1990899140,14cyclictest0-21swapper/112:10:381
1990899140,14cyclictest0-21swapper/111:51:331
1990899140,14cyclictest0-21swapper/110:56:461
1990899140,14cyclictest0-21swapper/109:10:361
1990899140,14cyclictest0-21swapper/108:55:181
1990899140,14cyclictest0-21swapper/107:56:091
1990899140,14cyclictest0-21swapper/107:46:021
1990899140,0cyclictest0-21swapper/111:26:151
1990899140,0cyclictest0-21swapper/110:40:121
1990899140,0cyclictest0-21swapper/110:26:391
1990899140,0cyclictest0-21swapper/110:01:321
1990899140,0cyclictest0-21swapper/109:45:161
1990899140,0cyclictest0-21swapper/109:34:031
1990899140,0cyclictest0-21swapper/109:20:111
1990899140,0cyclictest0-21swapper/108:10:151
1990899140,0cyclictest0-21swapper/107:20:261
19907991414,0cyclictest0-21swapper/012:00:020
19907991414,0cyclictest0-21swapper/011:40:210
19907991414,0cyclictest0-21swapper/011:35:130
19907991414,0cyclictest0-21swapper/011:20:190
19907991414,0cyclictest0-21swapper/008:25:150
19907991414,0cyclictest0-21swapper/008:10:280
19907991413,1cyclictest16369-21find10:25:230
19907991413,1cyclictest0-21swapper/008:05:180
19907991412,1cyclictest5221-21ntp_states07:45:190
19907991412,1cyclictest0-21swapper/008:15:150
1990799140,14cyclictest0-21swapper/012:35:050
1990799140,14cyclictest0-21swapper/012:20:310
1990799140,14cyclictest0-21swapper/012:16:400
1990799140,14cyclictest0-21swapper/011:45:290
1990799140,14cyclictest0-21swapper/010:40:410
1990799140,14cyclictest0-21swapper/010:22:040
1990799140,14cyclictest0-21swapper/009:56:450
1990799140,14cyclictest0-21swapper/009:42:290
1990799140,14cyclictest0-21swapper/009:31:090
1990799140,14cyclictest0-21swapper/008:55:030
1990799140,14cyclictest0-21swapper/008:30:030
1990799140,0cyclictest31813-21apt-get07:35:150
1990799140,0cyclictest0-21swapper/012:30:180
1990799140,0cyclictest0-21swapper/010:00:340
1990799140,0cyclictest0-21swapper/009:50:160
1990799140,0cyclictest0-21swapper/009:46:210
1990799140,0cyclictest0-21swapper/008:45:350
1990799140,0cyclictest0-21swapper/007:51:340
1991399130,0cyclictest0-21swapper/311:35:033
19912991313,0cyclictest0-21swapper/210:45:562
19912991313,0cyclictest0-21swapper/208:40:532
19912991313,0cyclictest0-21swapper/207:15:582
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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