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2025-12-23 - 22:17
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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
Characteristics of the highest latencies:
System rackbslot1.osadl.org (updated Tue Dec 23, 2025 12:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5184382222170,18sleep20-21swapper/207:07:162
5184722212185,18sleep00-21swapper/007:07:430
5184032198177,11sleep10-21swapper/107:06:501
5184122181157,14sleep30-21swapper/307:06:583
74243221440,2sleep1742352-21snmp_wlanswitch10:45:061
518835991071,102cyclictest680663-21chrome09:45:021
518834996850,2cyclictest3125728-13Compositor08:45:020
518839996760,5cyclictest617928-21latency_hist08:45:023
518835996347,15cyclictest793728-21kworker/u8:2+flush-179:011:45:171
518837996248,13cyclictest452818-21kworker/u8:3+flush-179:007:25:062
51883599625,56cyclictest619036-21kworker/u8:3+efi_rts_wq09:22:571
51883499615,55cyclictest628412-21kworker/u8:1+efi_rts_wq09:22:530
518834996144,15cyclictest555868-21chrome07:45:010
518835995953,4cyclictest76405-21systemd-journal07:40:001
518834995954,3cyclictest518998-21/usr/share/muni07:10:110
7306722570,2sleep2247557-21chrome10:30:272
518839995640,2cyclictest618143-13chrome08:45:013
518835995653,2cyclictest518418-21kworker/u8:2+flush-179:008:46:491
518834995549,5cyclictest3125687-21ThreadPoolForeg09:05:310
518839995449,4cyclictest619036-21kworker/u8:3+flush-179:009:40:253
518837995450,3cyclictest716138-21kworker/u8:4+flush-179:011:10:102
518837995449,4cyclictest507945-21kworker/u8:0+flush-179:007:30:162
518834995451,2cyclictest518418-21kworker/u8:2+flush-179:007:50:050
518837995247,3cyclictest659485-21latency_hist09:25:012
518839995148,2cyclictest767766-21kworker/u8:3+flush-179:012:10:203
518837995147,3cyclictest690512-21kworker/u8:1+flush-179:010:55:422
51883599510,39cyclictest247516-21Chrome_ChildIOT11:22:241
51883599510,39cyclictest247516-21Chrome_ChildIOT11:22:241
518834995146,4cyclictest763228-21/usr/share/muni11:05:130
518839995047,3cyclictest716138-21kworker/u8:4+flush-179:011:20:253
518839995047,3cyclictest716138-21kworker/u8:4+flush-179:011:20:253
518835995045,4cyclictest736046-31munin-html10:35:341
518835995042,7cyclictest3752274-1kworker/1:1H+kblockd11:44:581
518835995042,6cyclictest247515-21ThreadPoolForeg08:20:341
51883499500,49cyclictest3125709-13VizCompositorTh09:45:210
518837994946,2cyclictest535693-21kworker/u8:4+flush-179:007:40:352
518837994945,3cyclictest575984-21kworker/u8:1+flush-179:008:40:272
518839994845,2cyclictest619036-21kworker/u8:3+flush-179:009:15:253
518839994844,3cyclictest653944-21kworker/u8:2+flush-179:009:35:333
518839994834,13cyclictest555919-21snmp_wlanpowerc07:45:013
518837994844,3cyclictest839849-21kworker/u8:1+flush-179:012:35:072
518837994841,5cyclictest3125688-21Chrome_ChildIOT09:10:252
518835994842,4cyclictest581968-21/usr/share/muni08:10:081
518834994844,3cyclictest596936-21kworker/u8:0+flush-179:008:55:010
518834994843,4cyclictest695956-21kworker/u8:2+flush-179:010:40:290
518839994743,3cyclictest690512-21kworker/u8:1+flush-179:010:23:333
518837994742,4cyclictest670202-21/usr/share/muni09:35:162
518835994743,3cyclictest3752274-1kworker/1:1H+kblockd07:58:301
518835994733,13cyclictest3752274-1kworker/1:1H+kblockd10:30:121
518839994642,3cyclictest768333-21/usr/share/muni11:10:083
518839994640,4cyclictest707628-21apt-get10:10:153
518834994643,2cyclictest705775-21kworker/u8:0+flush-179:010:10:450
518834994642,3cyclictest742458-21kworker/u8:0+flush-179:010:45:120
518834994642,3cyclictest3125684-21Chrome_DevTools08:00:260
518834994642,3cyclictest3125684-21Chrome_DevTools08:00:250
518837994542,2cyclictest619036-21kworker/u8:3+events_unbound09:45:002
518837994541,3cyclictest701007-21munin-update10:05:342
518837994541,3cyclictest628412-21kworker/u8:1+flush-179:009:10:002
518837994538,5cyclictest247560-21ThreadPoolForeg09:00:482
518835994539,4cyclictest767766-21kworker/u8:3+flush-179:011:30:301
518835994537,6cyclictest247560-21ThreadPoolForeg09:25:131
518834994542,2cyclictest767766-21kworker/u8:3+flush-179:012:10:230
518839994441,2cyclictest628412-21kworker/u8:1+flush-179:009:45:203
518837994440,3cyclictest541839-21kworker/u8:3+flush-179:007:55:272
518837994438,4cyclictest561147-21/usr/share/muni07:50:172
518835994434,7cyclictest3125688-21Chrome_ChildIOT11:35:411
518834994442,2cyclictest778303-21kworker/u8:1+flush-179:011:25:170
518834994442,2cyclictest778303-21kworker/u8:1+flush-179:011:25:170
518834994442,2cyclictest761970-21kworker/u8:2+flush-179:011:04:290
518834994441,2cyclictest742458-21kworker/u8:0+flush-179:011:36:180
518834994441,2cyclictest581546-21kworker/u8:0+events_unbound08:10:250
518834994440,3cyclictest793728-21kworker/u8:2+flush-179:012:00:160
518834994440,3cyclictest586867-21kworker/u8:3+events_unbound08:25:190
518834994440,3cyclictest586867-21kworker/u8:3+events_unbound08:25:190
518834994440,3cyclictest518418-21kworker/u8:2+flush-179:007:20:290
518839994339,3cyclictest619036-21kworker/u8:3+flush-179:009:10:173
518837994341,1cyclictest768529-21kworker/2:2+pm11:23:322
518837994341,1cyclictest768529-21kworker/2:2+pm11:23:322
518837994337,5cyclictest794083-21latency_hist11:35:002
518837994330,12cyclictest788640-21kworker/2:0+pm12:13:492
518835994340,2cyclictest518418-21kworker/u8:2+flush-179:008:07:571
518835994340,2cyclictest3752274-1kworker/1:1H+kblockd10:20:011
518835994336,5cyclictest685697-21munin-update09:50:031
518835994336,5cyclictest638822-21/usr/share/muni09:05:131
518835994336,5cyclictest3125728-13Compositor10:05:291
518834994342,1cyclictest767766-21kworker/u8:3+events_unbound11:15:210
518834994340,2cyclictest535693-21kworker/u8:4+events_unbound08:00:000
518834994340,2cyclictest534894-21kworker/u8:1+flush-179:007:25:130
518834994340,2cyclictest518418-21kworker/u8:2+flush-179:007:30:270
518834994338,4cyclictest644212-21/usr/share/muni09:10:030
518834994338,4cyclictest535693-21kworker/u8:4+flush-179:007:40:310
518839994240,2cyclictest518418-21kworker/u8:2+flush-179:008:31:013
518839994239,2cyclictest810457-21kworker/u8:1+flush-179:012:05:103
518839994237,4cyclictest833096-21kworker/u8:0+flush-179:012:30:333
518837994216,25cyclictest0-21swapper/207:21:122
518835994238,2cyclictest736894-21kworker/1:2+pm10:44:571
518835994234,5cyclictest670212-21/usr/share/muni09:35:021
518834994239,3cyclictest810457-21kworker/u8:1+flush-179:012:05:270
518834994238,3cyclictest767766-21kworker/u8:3+flush-179:011:45:300
518839994138,2cyclictest767766-21kworker/u8:3+flush-179:011:15:043
518839994138,2cyclictest518418-21kworker/u8:2+events_unbound08:16:533
518839994138,2cyclictest518418-21kworker/u8:2+events_unbound08:16:523
518837994138,3cyclictest833096-21kworker/u8:0+flush-179:012:30:182
518837994138,2cyclictest793728-21kworker/u8:2+flush-179:011:55:092
518837994137,3cyclictest518416-21kworker/2:2+pm08:01:382
518837994137,3cyclictest518416-21kworker/2:2+pm08:01:382
518837994137,2cyclictest839849-21kworker/u8:1+flush-179:012:26:022
518837994135,4cyclictest742225-21/usr/share/muni10:45:052
518835994137,3cyclictest596936-21kworker/u8:0+flush-179:009:00:141
518835994134,5cyclictest716389-21munin-update10:20:041
518835994133,7cyclictest3752274-1kworker/1:1H+kblockd12:09:101
518834994138,2cyclictest742458-21kworker/u8:0+flush-179:011:40:200
518834994137,3cyclictest581546-21kworker/u8:0+events_unbound08:17:030
518834994137,3cyclictest581546-21kworker/u8:0+events_unbound08:17:030
518834994136,4cyclictest247516-21Chrome_ChildIOT08:21:080
518839994036,3cyclictest507945-21kworker/u8:0+flush-179:007:16:343
518837994038,1cyclictest486810-21kworker/2:0+pm07:10:052
518837994037,2cyclictest833096-21kworker/u8:0+flush-179:012:15:302
518837994037,2cyclictest788640-21kworker/2:0+pm11:49:332
518837994037,2cyclictest619036-21kworker/u8:3+events_unbound10:16:452
518837994037,2cyclictest518416-21kworker/2:2+pm08:25:162
518837994037,2cyclictest518416-21kworker/2:2+pm08:25:162
518837994037,2cyclictest518416-21kworker/2:2+pm08:09:402
518837994036,3cyclictest690512-21kworker/u8:1+events_unbound10:50:162
518837994036,2cyclictest518416-21kworker/2:2+pm08:35:182
518837994035,3cyclictest810457-21kworker/u8:1+flush-179:012:05:202
518835994037,2cyclictest586854-21kworker/1:0+pm10:27:331
518835994036,3cyclictest586854-21kworker/1:0+pm09:45:001
518835994036,2cyclictest736894-21kworker/1:2+pm11:07:531
518834994037,2cyclictest742458-21kworker/u8:0+flush-179:011:10:160
518834994037,2cyclictest619036-21kworker/u8:3+flush-179:009:02:060
518834994037,2cyclictest518418-21kworker/u8:2+flush-179:007:15:270
518834994036,3cyclictest518418-21kworker/u8:2+flush-179:008:08:000
518834994035,4cyclictest247515-21ThreadPoolForeg09:15:240
518839993936,2cyclictest601863-21kworker/u8:4+flush-179:008:35:113
518839993936,2cyclictest535693-21kworker/u8:4+flush-179:008:00:113
518839993936,2cyclictest535693-21kworker/u8:4+flush-179:008:00:103
518839993935,3cyclictest690512-21kworker/u8:1+flush-179:010:41:233
518839993927,11cyclictest532807-21strings07:20:213
518837993937,1cyclictest788640-21kworker/2:0+pm12:22:252
518837993937,1cyclictest768529-21kworker/2:2+pm11:26:232
518837993937,1cyclictest768529-21kworker/2:2+pm11:26:232
518837993937,1cyclictest619841-21kworker/2:0+pm11:01:142
518837993937,1cyclictest619841-21kworker/2:0+pm10:21:582
518837993937,1cyclictest619841-21kworker/2:0+pm09:31:432
518837993937,1cyclictest518416-21kworker/2:2+pm08:20:132
518837993937,1cyclictest518416-21kworker/2:2+pm08:14:542
518837993936,2cyclictest788640-21kworker/2:0+pm11:36:002
518837993936,2cyclictest619841-21kworker/2:0+pm10:11:022
518837993936,2cyclictest518416-21kworker/2:2+pm07:38:282
518837993935,3cyclictest742458-21kworker/u8:0+flush-179:011:05:162
518837993935,3cyclictest619841-21kworker/2:0+pm10:38:092
518835993936,2cyclictest586854-21kworker/1:0+pm08:39:431
518835993936,2cyclictest3752274-1kworker/1:1H+kblockd10:02:081
518835993935,3cyclictest690512-21kworker/u8:1+flush-179:011:00:171
518835993934,3cyclictest550710-21/usr/share/muni07:40:151
518835993934,3cyclictest247563-13Compositor08:41:491
518835993932,4cyclictest571361-21/usr/share/muni08:00:081
518835993932,4cyclictest571361-21/usr/share/muni08:00:081
518834993936,2cyclictest778303-21kworker/u8:1+flush-179:011:31:010
518834993936,2cyclictest716138-21kworker/u8:4+events_unbound11:20:230
518834993936,2cyclictest716138-21kworker/u8:4+events_unbound11:20:220
518834993936,2cyclictest619036-21kworker/u8:3+events_unbound09:59:240
518834993936,2cyclictest541839-21kworker/u8:3+flush-179:007:36:040
518834993934,4cyclictest814979-21/usr/share/muni11:55:160
518834993934,4cyclictest247516-21Chrome_ChildIOT10:25:080
518839993837,1cyclictest0-21swapper/311:55:323
518839993835,2cyclictest824779-21kworker/u8:4+flush-179:012:20:333
518839993835,2cyclictest619036-21kworker/u8:3+events_unbound09:05:303
518839993834,2cyclictest50678-1kworker/3:1H+kblockd08:55:033
518839993832,2cyclictest824779-21kworker/u8:4+flush-179:012:35:063
518837993837,1cyclictest518416-21kworker/2:2+pm07:45:272
518837993836,1cyclictest788640-21kworker/2:0+pm12:00:162
518837993836,1cyclictest788640-21kworker/2:0+pm11:54:502
518837993836,1cyclictest788640-21kworker/2:0+pm11:41:342
518837993836,1cyclictest619841-21kworker/2:0+pm10:28:042
518837993836,1cyclictest619841-21kworker/2:0+pm10:00:112
518837993836,1cyclictest619841-21kworker/2:0+pm09:55:332
518837993836,1cyclictest619841-21kworker/2:0+pm09:15:032
518837993835,2cyclictest768529-21kworker/2:2+pm11:16:102
518837993835,2cyclictest619841-21kworker/2:0+pm09:51:342
518837993835,2cyclictest619841-21kworker/2:0+pm09:25:162
518837993835,2cyclictest619841-21kworker/2:0+pm08:51:142
518837993835,2cyclictest518416-21kworker/2:2+pm08:45:372
518835993834,3cyclictest3752274-1kworker/1:1H+kblockd12:30:371
518835993834,3cyclictest3752274-1kworker/1:1H+kblockd12:14:171
518835993833,3cyclictest3752274-1kworker/1:1H+kblockd07:52:051
518835993833,3cyclictest3752274-1kworker/1:1H+kblockd07:24:351
518835993832,4cyclictest3752274-1kworker/1:1H+kblockd10:13:241
518834993836,1cyclictest680340-21kworker/0:1+pm10:03:030
518834993835,2cyclictest653944-21kworker/u8:2+events_unbound09:40:210
518834993834,3cyclictest695956-21kworker/u8:2+flush-179:010:30:280
518834993832,4cyclictest747502-21/usr/share/muni10:50:010
518834993831,5cyclictest670209-21/usr/share/muni09:35:140
518839993735,2cyclictest628412-21kworker/u8:1+flush-179:009:02:423
518839993735,2cyclictest575984-21kworker/u8:1+flush-179:008:05:303
518839993734,2cyclictest690512-21kworker/u8:1+flush-179:010:56:153
518839993734,2cyclictest664298-21kworker/u8:0+flush-179:009:54:043
518839993734,2cyclictest50678-1kworker/3:1H+kblockd08:53:583
518839993734,2cyclictest50678-1kworker/3:1H+kblockd07:35:013
518839993733,3cyclictest793728-21kworker/u8:2+flush-179:011:45:053
518839993733,2cyclictest50678-1kworker/3:1H+kblockd12:17:403
518839993733,2cyclictest50678-1kworker/3:1H+kblockd10:01:393
518839993732,3cyclictest695512-31munin-graph09:56:053
518837993735,1cyclictest619841-21kworker/2:0+pm10:41:492
518837993735,1cyclictest619841-21kworker/2:0+pm09:48:432
518837993735,1cyclictest619841-21kworker/2:0+pm08:55:272
518837993735,1cyclictest518416-21kworker/2:2+pm08:33:002
518835993734,2cyclictest3752274-1kworker/1:1H+kblockd12:35:051
518835993734,2cyclictest3752274-1kworker/1:1H+kblockd10:55:141
518835993734,2cyclictest3752274-1kworker/1:1H+kblockd10:51:501
518835993734,2cyclictest3752274-1kworker/1:1H+kblockd08:50:051
518835993734,2cyclictest3752274-1kworker/1:1H+kblockd07:30:041
518835993733,3cyclictest3752274-1kworker/1:1H+kblockd11:50:111
518835993733,3cyclictest3752274-1kworker/1:1H+kblockd08:57:411
518835993733,3cyclictest3752274-1kworker/1:1H+kblockd08:29:411
518835993733,3cyclictest3752274-1kworker/1:1H+kblockd08:29:411
518835993733,3cyclictest3125726-13Chrome_ChildIOT11:10:291
518835993733,2cyclictest3752274-1kworker/1:1H+kblockd07:11:351
518835993730,5cyclictest76665-21apache211:15:171
51883599372,17cyclictest247563-13Compositor12:22:011
518834993734,2cyclictest855325-21sendmail_mailst12:30:340
518834993734,2cyclictest690512-21kworker/u8:1+flush-179:010:36:430
518834993734,2cyclictest601891-1kworker/0:1H+kblockd12:37:190
518834993733,3cyclictest619036-21kworker/u8:3+flush-179:010:15:270
51883499371,35cyclictest1260-21snmpd09:30:100
518839993634,1cyclictest50678-1kworker/3:1H+kblockd09:25:573
518839993633,2cyclictest778303-21kworker/u8:1+flush-179:011:30:193
518839993632,3cyclictest76405-21systemd-journal07:10:073
518839993632,3cyclictest716138-21kworker/u8:4+flush-179:011:25:353
518839993632,3cyclictest716138-21kworker/u8:4+flush-179:011:25:343
518839993632,3cyclictest601569-31munin-html08:25:463
518839993632,3cyclictest601569-31munin-html08:25:463
518837993611,24cyclictest3125648-13Chrome_IOThread08:16:452
518837993611,24cyclictest3125648-13Chrome_IOThread08:16:452
518835993633,2cyclictest3752274-1kworker/1:1H+kblockd09:12:011
518835993633,2cyclictest3752274-1kworker/1:1H+kblockd07:15:011
518835993632,3cyclictest3752274-1kworker/1:1H+kblockd09:59:081
518835993632,2cyclictest586854-21kworker/1:0+pm08:33:511
518835993632,2cyclictest3752274-1kworker/1:1H+kblockd12:16:491
518835993631,4cyclictest824301-21munin-limits12:00:351
518834993634,1cyclictest601891-1kworker/0:1H+kblockd08:40:040
518834993633,2cyclictest653944-21kworker/u8:2+flush-179:009:25:000
518834993633,2cyclictest601891-1kworker/0:1H+kblockd11:50:520
518834993633,2cyclictest601891-1kworker/0:1H+kblockd08:59:350
518834993633,2cyclictest596936-21kworker/u8:0+flush-179:008:30:190
518834993632,3cyclictest575984-21kworker/u8:1+flush-179:008:36:190
518834993631,4cyclictest835386-21/usr/share/muni12:15:160
518839993533,1cyclictest518418-21kworker/u8:2+flush-179:008:10:343
518839993533,1cyclictest50678-1kworker/3:1H+kblockd11:00:063
518839993533,1cyclictest50678-1kworker/3:1H+kblockd09:30:093
518839993533,1cyclictest50678-1kworker/3:1H+kblockd07:38:443
518839993532,2cyclictest50678-1kworker/3:1H+kblockd10:51:343
518839993532,2cyclictest50678-1kworker/3:1H+kblockd10:36:183
518839993531,3cyclictest593575-21apt-get08:20:133
518837993532,2cyclictest518416-21kworker/2:2+pm07:19:012
518835993532,2cyclictest3752274-1kworker/1:1H+kblockd12:26:341
518835993532,2cyclictest3752274-1kworker/1:1H+kblockd11:59:501
518834993533,1cyclictest601891-1kworker/0:1H+kblockd12:29:290
518834993532,2cyclictest742458-21kworker/u8:0+flush-179:010:55:170
51883499351,32cyclictest3125726-13Chrome_ChildIOT10:05:220
518839993433,1cyclictest721582-21kworker/3:1+pm10:48:593
518839993431,2cyclictest705775-21kworker/u8:0+flush-179:010:08:023
518839993431,2cyclictest518418-21kworker/u8:2+flush-179:007:50:333
518839993431,2cyclictest50678-1kworker/3:1H+kblockd07:41:123
518835993432,1cyclictest3752274-1kworker/1:1H+kblockd09:16:561
518835993431,2cyclictest3752274-1kworker/1:1H+kblockd11:28:351
518835993431,2cyclictest3752274-1kworker/1:1H+kblockd11:28:351
518835993428,5cyclictest247560-21ThreadPoolForeg09:30:341
518834993431,2cyclictest824779-21kworker/u8:4+flush-179:012:20:260
518834993430,3cyclictest664298-21kworker/u8:0+flush-179:009:54:580
518835993330,2cyclictest3752274-1kworker/1:1H+kblockd08:17:001
518835993330,2cyclictest3752274-1kworker/1:1H+kblockd08:16:591
518835993330,2cyclictest3752274-1kworker/1:1H+kblockd07:48:211
518839993230,1cyclictest50678-1kworker/3:1H+kblockd10:25:363
518839993229,2cyclictest705775-21kworker/u8:0+flush-179:010:19:483
518839993229,2cyclictest50678-1kworker/3:1H+kblockd07:25:493
518839993229,2cyclictest1260-21snmpd12:25:273
518839993229,2cyclictest1260-21snmpd10:30:433
518839993226,4cyclictest767766-21kworker/u8:3+events_unbound12:01:343
518839993117,13cyclictest0-21swapper/311:53:273
518834993128,2cyclictest601891-1kworker/0:1H+kblockd10:20:030
518839993027,2cyclictest653944-21kworker/u8:2+flush-179:009:20:503
518839993027,2cyclictest541839-21kworker/u8:3+flush-179:007:55:153
518839993027,2cyclictest50678-1kworker/3:1H+kblockd11:40:013
518839993027,2cyclictest50678-1kworker/3:1H+kblockd11:07:343
518835993027,2cyclictest3752274-1kworker/1:1H+kblockd07:25:151
518839992926,2cyclictest767766-21kworker/u8:3+flush-179:011:44:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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