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2025-12-02 - 00:46
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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 all highest latencies:
System rackbslot1.osadl.org (updated Mon Dec 01, 2025 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13504262218175,32sleep00-21swapper/007:09:070
13504812216189,17sleep30-21swapper/307:09:433
13502012207183,15sleep10-21swapper/107:06:201
13501922193169,14sleep20-21swapper/207:06:132
143910721110,1sleep01439109-21cron08:35:000
1350708996458,5cyclictest1648311-21/usr/share/muni11:55:122
1350705996147,13cyclictest1486307-21kworker/u8:2+flush-179:010:05:371
1350705996147,13cyclictest1486307-21kworker/u8:2+flush-179:010:05:371
1350705996056,3cyclictest1423558-21kworker/u8:1+flush-179:008:45:261
1350705995956,2cyclictest1637551-21kworker/u8:2+events_unbound11:50:391
1350713995852,5cyclictest76405-21systemd-journal08:00:003
1350708995854,3cyclictest1595671-21kworker/u8:4+flush-179:011:35:322
1350705995852,2cyclictest1595671-21kworker/u8:4+events_unbound11:10:301
1350708995752,4cyclictest1689634-21/usr/share/muni12:35:092
1350708995749,2cyclictest1595671-21kworker/u8:4+flush-179:011:15:222
1350708995653,2cyclictest1486307-21kworker/u8:2+events_unbound10:08:202
1350708995653,2cyclictest1486307-21kworker/u8:2+events_unbound10:08:202
1350708995653,2cyclictest1339674-21kworker/u8:5+flush-179:009:30:122
135071399559,45cyclictest1528119-21kworker/u8:1+efi_rts_wq10:08:223
135071399559,45cyclictest1528119-21kworker/u8:1+efi_rts_wq10:08:223
1350713995551,3cyclictest1324357-21kworker/u8:2+flush-179:007:35:213
1350705995552,2cyclictest1372227-21kworker/u8:0+flush-179:008:10:271
1350713995449,4cyclictest1448998-31munin-html08:40:353
1350708995450,3cyclictest1528119-21kworker/u8:1+events_unbound10:40:392
1350708995448,2cyclictest1408057-21kworker/u8:6+flush-179:008:10:212
1350708995350,2cyclictest1367057-21kworker/u8:3+flush-179:007:25:372
1350705995350,2cyclictest1637551-21kworker/u8:2+events_unbound12:00:111
1350705995348,4cyclictest1539223-21/usr/share/muni10:10:041
1350703995350,2cyclictest1595671-21kworker/u8:4+flush-179:011:35:150
1350703995349,3cyclictest1454674-21kworker/u8:0+events_unbound10:30:330
1350708995249,2cyclictest1621635-21kworker/u8:0+flush-179:011:45:302
1350705995249,2cyclictest1498944-21kworker/u8:3+flush-179:010:15:301
1350705995248,3cyclictest1605812-21kworker/u8:2+flush-179:011:20:191
1350713995146,3cyclictest1528424-21munin-update10:00:153
1350708995149,2cyclictest1339674-21kworker/u8:5+flush-179:008:30:272
1350708995148,2cyclictest1423558-21kworker/u8:1+events_unbound08:35:242
1350705995148,2cyclictest1528119-21kworker/u8:1+flush-179:010:25:301
1350703995147,3cyclictest1454674-21kworker/u8:0+flush-179:009:50:000
1350713995044,4cyclictest1580862-21/usr/share/muni10:50:163
1350708995047,2cyclictest1528119-21kworker/u8:1+events_unbound10:35:312
1350708995047,2cyclictest1528119-21kworker/u8:1+events_unbound10:35:312
1350708995047,2cyclictest1465854-21kworker/u8:1+flush-179:009:25:152
1350708995046,3cyclictest1339674-21kworker/u8:5+flush-179:007:55:212
1350708994945,3cyclictest1454674-21kworker/u8:0+flush-179:010:15:102
1350705994946,2cyclictest1595671-21kworker/u8:4+events_unbound11:45:341
1350703994945,3cyclictest1362233-21latency_hist07:20:010
1350708994845,2cyclictest1498944-21kworker/u8:3+flush-179:009:52:042
1350708994845,2cyclictest1339674-21kworker/u8:5+flush-179:007:42:262
1350708994844,3cyclictest1498944-21kworker/u8:3+flush-179:009:35:022
1350708994844,3cyclictest1372227-21kworker/u8:0+flush-179:007:35:282
1350708994843,4cyclictest247560-21ThreadPoolForeg09:05:092
1350705994844,3cyclictest1518463-21/usr/share/muni09:50:191
1350705994833,14cyclictest1339674-21kworker/u8:5+events_unbound09:03:191
1350703994844,3cyclictest1605812-21kworker/u8:2+flush-179:011:25:060
1350713994743,3cyclictest1528119-21kworker/u8:1+flush-179:010:30:293
1350708994743,3cyclictest1454674-21kworker/u8:0+flush-179:009:55:022
1350708994742,4cyclictest1324357-21kworker/u8:2+flush-179:007:20:312
1350708994733,14cyclictest1486307-21kworker/u8:2+flush-179:009:40:302
1350705994745,2cyclictest1339674-21kworker/u8:5+events_unbound07:45:321
1350705994744,2cyclictest1454674-21kworker/u8:0+events_unbound09:20:291
1350703994744,2cyclictest1595671-21kworker/u8:4+flush-179:011:15:290
1350703994743,3cyclictest1339674-21kworker/u8:5+flush-179:008:05:200
1350713994641,3cyclictest1454674-21kworker/u8:0+flush-179:009:05:153
1350713994640,4cyclictest1632667-21/usr/share/muni11:40:173
1350713994640,4cyclictest1439649-21/usr/share/muni08:35:043
1350708994643,2cyclictest1652765-21kworker/u8:1+events_unbound12:15:002
1350708994643,2cyclictest1486307-21kworker/u8:2+events_unbound10:25:162
1350708994643,2cyclictest1324357-21kworker/u8:2+flush-179:007:15:332
1350708994642,3cyclictest1444316-21kworker/u8:3+flush-179:008:45:002
1350705994644,1cyclictest592034-1kworker/1:0H+kblockd10:41:441
1350705994643,2cyclictest592034-1kworker/1:0H+kblockd12:18:541
1350705994643,2cyclictest1423558-21kworker/u8:1+flush-179:008:40:011
1350705994640,4cyclictest1569913-21cp10:40:011
1350705994640,4cyclictest1569913-21cp10:40:011
1350713994541,3cyclictest1454674-21kworker/u8:0+flush-179:009:20:153
1350713994540,3cyclictest1423558-21kworker/u8:1+events_unbound08:25:203
1350708994543,1cyclictest1538516-21kworker/2:2+pm10:45:022
1350708994542,2cyclictest1637551-21kworker/u8:2+flush-179:011:51:122
1350708994539,5cyclictest247560-21ThreadPoolForeg10:00:402
1350705994543,2cyclictest1423558-21kworker/u8:1+flush-179:008:40:301
1350705994542,2cyclictest1652765-21kworker/u8:1+events_unbound12:39:041
1350705994542,2cyclictest1465854-21kworker/u8:1+events_unbound09:25:161
1350705994541,3cyclictest1595671-21kworker/u8:4+events_unbound11:25:111
1350705994541,3cyclictest1575065-21kworker/u8:0+flush-179:010:55:281
1350705994538,3cyclictest1372227-21kworker/u8:0+flush-179:008:20:171
1350703994543,2cyclictest1423558-21kworker/u8:1+flush-179:008:40:110
135070399451,42cyclictest3125648-13Chrome_IOThread11:30:230
1350713994438,4cyclictest1523575-21/usr/share/muni09:55:103
1350708994441,2cyclictest1621635-21kworker/u8:0+flush-179:011:30:312
1350708994440,3cyclictest1595671-21kworker/u8:4+flush-179:012:20:282
1350705994441,2cyclictest1673611-21kworker/u8:6+flush-179:012:30:311
1350705994441,2cyclictest1454674-21kworker/u8:0+events_unbound09:55:181
1350705994440,3cyclictest1673611-21kworker/u8:6+flush-179:012:26:041
1350705994440,3cyclictest1324357-21kworker/u8:2+events_unbound07:50:311
1350713994338,3cyclictest76405-21systemd-journal11:45:083
1350708994340,2cyclictest1324357-21kworker/u8:2+events_unbound07:10:222
1350708994339,3cyclictest1528119-21kworker/u8:1+flush-179:010:50:192
1350708994326,15cyclictest1339674-21kworker/u8:5+flush-179:008:15:112
1350705994339,3cyclictest1621635-21kworker/u8:0+flush-179:011:55:351
1350705994338,4cyclictest1339674-21kworker/u8:5+flush-179:009:40:131
1350713994235,5cyclictest3125724-21ThreadPoolForeg12:06:453
1350713994235,5cyclictest1465521-21/usr/share/muni09:00:053
1350713994219,22cyclictest3125721-21chrome08:50:363
1350708994240,2cyclictest1528119-21kworker/u8:1+events_unbound11:27:502
1350708994239,2cyclictest1595671-21kworker/u8:4+flush-179:011:40:082
1350708994239,2cyclictest1595671-21kworker/u8:4+flush-179:011:20:172
1350708994239,2cyclictest1498944-21kworker/u8:3+flush-179:009:45:102
1350708994239,2cyclictest1372227-21kworker/u8:0+flush-179:008:20:162
1350705994240,2cyclictest1356677-21kworker/u8:1+flush-179:007:15:381
1350705994239,2cyclictest1575065-21kworker/u8:0+flush-179:010:45:241
1350705994239,2cyclictest1465854-21kworker/u8:1+events_unbound09:10:301
1350705994239,2cyclictest1454674-21kworker/u8:0+flush-179:009:00:011
1350705994238,3cyclictest1486307-21kworker/u8:2+flush-179:009:45:381
1350705994238,3cyclictest1339674-21kworker/u8:5+flush-179:008:15:021
1350705994237,4cyclictest247516-21Chrome_ChildIOT12:20:141
1350703994239,2cyclictest1590511-21kworker/u8:2+flush-179:011:00:320
1350703994238,3cyclictest1324357-21kworker/u8:2+flush-179:007:35:230
1350703994237,4cyclictest247516-21Chrome_ChildIOT08:55:290
1350703994237,4cyclictest1550875-21apt-get10:20:130
1350703994235,6cyclictest1643207-21/usr/share/muni11:50:100
1350713994138,2cyclictest1663277-21kworker/u8:2+flush-179:012:10:153
1350713994137,3cyclictest1444316-21kworker/u8:3+flush-179:008:55:233
1350713994136,4cyclictest247561-21ThreadPoolForeg07:42:243
1350713994136,3cyclictest1486780-21kworker/3:1+pm09:49:293
1350708994139,2cyclictest1595671-21kworker/u8:4+flush-179:012:25:222
1350708994138,3cyclictest1528119-21kworker/u8:1+flush-179:010:10:372
1350708994138,2cyclictest1324357-21kworker/u8:2+flush-179:007:45:532
1350708994137,3cyclictest1454674-21kworker/u8:0+events_unbound09:00:292
135070899412,14cyclictest247563-13Compositor08:01:122
1350705994138,3cyclictest1590511-21kworker/u8:2+flush-179:011:01:391
1350705994138,2cyclictest1465854-21kworker/u8:1+flush-179:009:15:301
1350705994138,2cyclictest1324357-21kworker/u8:2+flush-179:007:27:251
1350705994137,3cyclictest1454674-21kworker/u8:0+events_unbound10:20:281
1350703994138,2cyclictest1564413-21kworker/u8:3+flush-179:010:55:060
1350703994137,3cyclictest247560-21ThreadPoolForeg09:02:540
1350703994136,4cyclictest1528688-21/usr/share/muni10:00:090
1350713994037,2cyclictest1389345-1kworker/3:1H+kblockd11:23:163
1350713994036,3cyclictest1595671-21kworker/u8:4+events_unbound11:30:293
1350713994036,3cyclictest1564413-21kworker/u8:3+flush-179:010:45:183
1350713994034,4cyclictest1596106-21/usr/share/muni11:05:133
1350708994037,2cyclictest1663277-21kworker/u8:2+flush-179:012:10:012
1350708994037,2cyclictest1595671-21kworker/u8:4+events_unbound11:08:272
1350708994037,2cyclictest1538516-21kworker/2:2+pm10:20:192
1350708994037,2cyclictest1465854-21kworker/u8:1+flush-179:009:10:022
1350708994037,2cyclictest1324357-21kworker/u8:2+flush-179:007:30:122
1350705994037,2cyclictest1339674-21kworker/u8:5+flush-179:009:05:321
1350703994037,2cyclictest1595671-21kworker/u8:4+flush-179:011:24:160
1350708993937,2cyclictest1637551-21kworker/u8:2+events_unbound12:00:212
1350708993937,1cyclictest1359767-21kworker/2:0+pm08:07:592
1350708993936,2cyclictest1668374-21kworker/2:2+pm12:33:142
1350708993936,2cyclictest1538516-21kworker/2:2+pm10:32:342
1350708993936,2cyclictest1528119-21kworker/u8:1+flush-179:011:02:092
1350708993935,3cyclictest1324357-21kworker/u8:2+flush-179:007:52:132
1350708993926,12cyclictest1423558-21kworker/u8:1+flush-179:008:51:232
1350705993937,1cyclictest1549249-21kworker/1:0+pm10:34:461
1350705993936,2cyclictest1631959-21kworker/u8:3+flush-179:011:44:311
1350705993936,2cyclictest1339674-21kworker/u8:5+events_unbound09:35:141
1350705993935,3cyclictest1528119-21kworker/u8:1+flush-179:010:53:051
1350705993935,3cyclictest1372227-21kworker/u8:0+flush-179:007:35:121
1350705993934,2cyclictest1423558-21kworker/u8:1+flush-179:008:25:261
1350703993936,2cyclictest1637551-21kworker/u8:2+flush-179:012:00:220
1350703993936,2cyclictest1621635-21kworker/u8:0+flush-179:011:45:170
1350703993936,2cyclictest1339674-21kworker/u8:5+flush-179:008:15:160
1350703993935,3cyclictest1528119-21kworker/u8:1+flush-179:011:40:200
1350703993935,3cyclictest1423558-21kworker/u8:1+flush-179:008:53:420
1350703993933,4cyclictest1372698-21/usr/share/muni07:30:160
1350713993835,2cyclictest1389345-1kworker/3:1H+kblockd10:58:193
1350713993834,3cyclictest1528119-21kworker/u8:1+flush-179:010:35:333
1350713993834,3cyclictest1528119-21kworker/u8:1+flush-179:010:35:333
1350713993834,3cyclictest1389345-1kworker/3:1H+kblockd08:45:393
1350713993832,5cyclictest1350835-21/usr/share/muni07:10:153
135071399380,37cyclictest1-21systemd09:54:373
1350708993836,1cyclictest1600786-21kworker/2:0+pm11:14:282
1350708993836,1cyclictest1538516-21kworker/2:2+pm10:56:512
1350708993835,2cyclictest1465854-21kworker/u8:1+flush-179:009:15:272
1350708993835,2cyclictest1359767-21kworker/2:0+pm08:59:262
1350708993823,14cyclictest1454674-21kworker/u8:0+flush-179:009:20:042
1350705993834,3cyclictest1435496-21apt-get08:30:141
1350705993834,3cyclictest1413211-21kworker/u8:1+flush-179:008:07:341
1350705993825,10cyclictest1498944-21kworker/u8:3+flush-179:009:30:271
1350703993836,1cyclictest654193-1kworker/0:2H+kblockd11:58:550
1350703993835,2cyclictest1498944-21kworker/u8:3+events_unbound09:55:040
1350703993835,2cyclictest1408057-21kworker/u8:6+flush-179:008:10:160
1350703993835,2cyclictest1372227-21kworker/u8:0+flush-179:007:55:200
1350703993834,3cyclictest1575662-21/usr/share/muni10:45:190
1350703993834,2cyclictest654193-1kworker/0:2H+kblockd10:25:370
1350713993734,2cyclictest3422704-1kworker/3:0H+kblockd07:15:593
1350713993734,2cyclictest247557-21chrome07:52:043
1350713993734,2cyclictest1486780-21kworker/3:1+pm11:19:443
1350713993734,2cyclictest1389345-1kworker/3:1H+kblockd12:21:533
1350713993734,2cyclictest1389345-1kworker/3:1H+kblockd10:17:293
1350713993734,2cyclictest1389345-1kworker/3:1H+kblockd09:34:263
1350713993734,2cyclictest1324357-21kworker/u8:2+flush-179:007:45:213
1350713993733,3cyclictest1673611-21kworker/u8:6+flush-179:012:30:353
1350708993735,1cyclictest1359767-21kworker/2:0+pm08:26:302
1350708993734,2cyclictest1663192-21kworker/2:1+pm12:15:012
1350708993734,2cyclictest1359767-21kworker/2:0+pm08:41:002
1350705993734,2cyclictest592034-1kworker/1:0H+kblockd11:05:041
1350705993734,2cyclictest1621635-21kworker/u8:0+events_unbound11:30:091
1350705993734,2cyclictest1595671-21kworker/u8:4+events_unbound11:35:091
1350705993734,2cyclictest1339674-21kworker/u8:5+events_unbound08:00:241
1350705993733,3cyclictest1423558-21kworker/u8:1+flush-179:008:50:181
1350705993733,3cyclictest1324357-21kworker/u8:2+flush-179:007:10:301
1350703993735,1cyclictest1688766-1kworker/0:0H+kblockd12:35:570
1350703993734,2cyclictest1388111-21snmp_wlanpowerc07:45:020
1350703993733,3cyclictest1538674-21latency_hist10:10:010
1350703993733,3cyclictest1538674-21latency_hist10:10:010
1350703993732,4cyclictest1362514-21/usr/share/muni07:20:070
1350713993634,1cyclictest1658351-21kworker/3:2+pm12:19:143
1350713993634,1cyclictest1389345-1kworker/3:1H+kblockd12:37:103
1350713993633,2cyclictest3422704-1kworker/3:0H+kblockd07:29:343
1350713993633,2cyclictest247563-13Compositor09:26:503
1350713993633,2cyclictest1621635-21kworker/u8:0+flush-179:011:55:333
1350713993633,2cyclictest1389345-1kworker/3:1H+kblockd11:12:243
1350713993632,3cyclictest1389345-1kworker/3:1H+kblockd08:30:043
1350713993631,4cyclictest1591073-21/usr/share/muni11:00:093
1350705993633,2cyclictest592034-1kworker/1:0H+kblockd12:10:341
1350705993633,2cyclictest1339674-21kworker/u8:5+flush-179:007:20:211
1350705993632,3cyclictest1324357-21kworker/u8:2+flush-179:007:40:141
1350705993631,4cyclictest1606675-21/usr/share/muni11:15:011
1350705993631,3cyclictest1498944-21kworker/u8:3+events_unbound10:03:341
1350703993633,2cyclictest654193-1kworker/0:2H+kblockd09:40:340
1350703993633,2cyclictest654193-1kworker/0:2H+kblockd09:36:380
1350703993633,2cyclictest1339674-21kworker/u8:5+flush-179:009:05:110
1350703993633,1cyclictest654193-1kworker/0:2H+kblockd09:21:020
1350703993631,4cyclictest3125688-21Chrome_ChildIOT10:50:500
1350713993533,1cyclictest1389345-1kworker/3:1H+kblockd11:51:403
1350713993533,1cyclictest1389345-1kworker/3:1H+kblockd08:16:463
1350713993532,2cyclictest3422704-1kworker/3:0H+kblockd07:22:583
1350713993531,3cyclictest1506737-31munin-html09:35:343
1350713993531,2cyclictest1389345-1kworker/3:1H+kblockd09:15:053
1350713993529,5cyclictest3125724-21ThreadPoolForeg10:28:303
1350705993533,1cyclictest592034-1kworker/1:0H+kblockd07:30:041
1350705993532,2cyclictest1372227-21kworker/u8:0+flush-179:007:55:191
1350703993533,1cyclictest654193-1kworker/0:2H+kblockd10:13:250
1350703993532,2cyclictest654193-1kworker/0:2H+kblockd10:18:310
1350703993532,2cyclictest1657885-1kworker/0:1H+kblockd12:30:370
1350703993532,2cyclictest1657885-1kworker/0:1H+kblockd12:10:160
1350703993531,3cyclictest1372227-21kworker/u8:0+flush-179:008:35:200
1350703993531,3cyclictest1339674-21kworker/u8:5+flush-179:009:25:060
135070399350,34cyclictest247557-21chrome07:50:320
1350713993433,1cyclictest1389345-1kworker/3:1H+kblockd08:13:303
1350713993431,2cyclictest3125627-21ChromeDriver00:55:193
1350713993431,2cyclictest1389345-1kworker/3:1H+kblockd12:25:593
1350713993430,3cyclictest1595671-21kworker/u8:4+events_unbound11:35:113
1350713993430,3cyclictest1339674-21kworker/u8:5+flush-179:009:40:223
1350713993429,4cyclictest1476130-21/usr/share/muni09:10:033
1350705993430,3cyclictest1663277-21kworker/u8:2+events_unbound12:09:381
1350703993431,2cyclictest654193-1kworker/0:2H+kblockd08:45:180
1350703993431,2cyclictest1595671-21kworker/u8:4+flush-179:011:10:020
1350703993431,2cyclictest1575065-21kworker/u8:0+flush-179:011:05:160
1350703993430,3cyclictest1663277-21kworker/u8:2+flush-179:012:16:260
1350703993429,4cyclictest247561-21ThreadPoolForeg09:17:490
1350703993427,5cyclictest1403585-21/usr/share/muni08:00:170
135070399341,32cyclictest1425592-21apache_volume08:20:160
1350713993331,1cyclictest1389345-1kworker/3:1H+kblockd10:14:133
1350713993330,2cyclictest3125684-21Chrome_DevTools10:42:033
1350713993329,3cyclictest1339674-21kworker/u8:5+flush-179:008:00:243
1350703993331,2cyclictest1595671-21kworker/u8:4+flush-179:012:20:280
1350703993331,1cyclictest654193-1kworker/0:2H+kblockd09:31:150
1350703993330,2cyclictest654193-1kworker/0:2H+kblockd09:54:400
135070399330,32cyclictest247557-21chrome12:28:160
1350713993229,2cyclictest1454674-21kworker/u8:0+flush-179:010:20:053
1350703993230,1cyclictest1260-21snmpd07:27:090
1350703993229,2cyclictest654193-1kworker/0:2H+kblockd09:12:440
1350703993229,2cyclictest654193-1kworker/0:2H+kblockd07:14:580
1350703993229,2cyclictest3125627-21ChromeDriver00:55:190
1350703993228,3cyclictest1659711-21apt-get12:05:110
1350703993227,4cyclictest1339674-21kworker/u8:5+events_unbound07:45:040
1350703993224,7cyclictest3125725-21ThreadPoolForeg10:45:000
1350713993129,1cyclictest1260-21snmpd08:05:583
1350713993128,2cyclictest1324357-21kworker/u8:2+flush-179:007:30:153
1350703993129,1cyclictest654193-1kworker/0:2H+kblockd10:36:430
1350703993129,1cyclictest654193-1kworker/0:2H+kblockd10:36:430
1350713993028,1cyclictest1260-21snmpd11:25:133
1350713993027,2cyclictest1260-21snmpd08:23:043
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