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2025-12-03 - 18:34
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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 Wed Dec 03, 2025 12:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1328322239189,39sleep10-21swapper/107:09:131
1328852185161,15sleep20-21swapper/207:09:542
1328512183149,25sleep00-21swapper/007:09:290
1328642182158,14sleep30-21swapper/307:09:403
133112997062,6cyclictest247561-21ThreadPoolForeg09:10:303
133109996561,3cyclictest397521-21kworker/u8:3+events_unbound11:45:381
133112996458,5cyclictest284225-21/usr/share/muni09:35:113
133112996458,4cyclictest397750-21latency_hist11:25:013
133112996246,14cyclictest361103-21kworker/u8:1+flush-179:010:55:293
133109996247,2cyclictest3125648-13Chrome_IOThread07:45:021
133106996257,3cyclictest203134-21kworker/u8:3+flush-179:008:20:250
13311299615,55cyclictest299208-21kworker/u8:5+efi_rts_wq10:08:583
133109996055,3cyclictest3125688-21Chrome_ChildIOT07:40:311
133110995955,3cyclictest238187-21kworker/u8:3+events_unbound09:00:132
133109995946,12cyclictest444374-21kworker/u8:2+events_unbound12:35:181
133112995854,3cyclictest138053-21kworker/u8:1+flush-179:008:40:293
133112995844,12cyclictest170117-21/usr/share/muni07:45:013
133109995753,3cyclictest86333-21kworker/u8:2+flush-179:007:30:271
133109995652,3cyclictest397521-21kworker/u8:3+flush-179:011:35:291
133109995652,3cyclictest174721-21kworker/u8:4+flush-179:008:55:281
133110995550,4cyclictest3125724-21ThreadPoolForeg09:55:012
133110995531,23cyclictest174721-21kworker/u8:4+flush-179:008:05:282
133109995539,13cyclictest222069-21kworker/u8:3+flush-179:008:35:041
133112995448,4cyclictest226519-21ntpq08:35:303
13310999544,48cyclictest232883-21snmp_wanpowerct08:45:021
133106995450,3cyclictest299208-21kworker/u8:5+flush-179:010:00:010
133112995346,6cyclictest347443-21apt-get10:35:133
133112995246,4cyclictest465254-31munin-html12:26:253
133110995248,3cyclictest387696-21/usr/share/muni11:15:162
133109995249,2cyclictest335511-21kworker/u8:3+events_unbound11:05:091
133109995249,2cyclictest263340-21kworker/u8:1+events_unbound09:40:041
133109995249,2cyclictest263340-21kworker/u8:1+events_unbound09:40:031
133109995245,3cyclictest257987-21kworker/u8:0+events_unbound09:25:001
133109995244,2cyclictest373780-21kworker/u8:0+flush-179:012:30:231
133109995242,9cyclictest293970-21kworker/u8:4+flush-179:010:15:161
133106995248,3cyclictest373780-21kworker/u8:0+events_unbound12:15:200
133106995247,3cyclictest373780-21kworker/u8:0+flush-179:012:10:120
133109995147,3cyclictest305084-21/usr/share/muni09:55:011
133106995146,4cyclictest335997-21/usr/share/muni10:25:100
13310699511,49cyclictest389017-21apache_volume11:15:150
133110995047,3cyclictest373780-21kworker/u8:0+flush-179:011:20:302
13311099500,29cyclictest247545-13VizCompositorTh07:16:032
133109995047,2cyclictest429368-21kworker/u8:1+events_unbound12:25:371
133109995047,2cyclictest373780-21kworker/u8:0+events_unbound12:04:011
133109995047,2cyclictest190989-21kworker/u8:0+flush-179:008:20:011
133109995046,3cyclictest257987-21kworker/u8:0+flush-179:009:35:291
133109995046,3cyclictest257987-21kworker/u8:0+events_unbound09:25:351
133109995045,4cyclictest293970-21kworker/u8:4+events_unbound10:10:201
133109995038,12cyclictest361103-21kworker/u8:1+flush-179:010:59:151
133109995038,11cyclictest63011-21kworker/u8:3+events_unbound07:50:101
133109995033,14cyclictest335511-21kworker/u8:3+flush-179:010:40:061
133106995046,3cyclictest76147-21kworker/u8:0+flush-179:007:10:250
1528822490,2sleep13125721-21chrome07:25:241
133112994941,6cyclictest283986-21latency_hist09:35:023
133110994944,3cyclictest150877-21apt-get07:25:142
133109994946,3cyclictest335509-21kworker/u8:1+flush-179:010:25:271
133109994946,2cyclictest335511-21kworker/u8:3+flush-179:010:30:081
133106994945,3cyclictest273826-21kworker/u8:3+flush-179:009:35:170
133112994844,3cyclictest63011-21kworker/u8:3+flush-179:007:30:173
133112994844,3cyclictest330711-21kworker/u8:0+flush-179:010:50:143
133109994846,2cyclictest138053-21kworker/u8:1+flush-179:007:20:271
133109994844,3cyclictest174721-21kworker/u8:4+flush-179:009:05:241
133109994843,4cyclictest138053-21kworker/u8:1+flush-179:007:37:111
133106994845,2cyclictest429368-21kworker/u8:1+flush-179:012:25:300
133106994844,3cyclictest86333-21kworker/u8:2+flush-179:007:44:160
133106994844,3cyclictest383861-21apt-get11:10:130
13310699480,40cyclictest247557-21chrome12:25:010
133112994741,5cyclictest465838-21/usr/share/muni12:30:103
133112994741,3cyclictest86333-21kworker/u8:2+flush-179:007:25:093
133110994742,4cyclictest206664-21gpgv08:20:012
133110994732,2cyclictest206520-21kworker/2:0+pm08:21:392
133109994745,1cyclictest335511-21kworker/u8:3+flush-179:010:45:171
133109994744,2cyclictest403181-21kworker/u8:4+flush-179:011:30:221
13310999474,42cyclictest299208-21kworker/u8:5+efi_rts_wq10:08:561
133109994743,3cyclictest293970-21kworker/u8:4+flush-179:010:00:261
13310699471,45cyclictest247545-13VizCompositorTh08:00:150
133112994641,3cyclictest361103-21kworker/u8:1+flush-179:011:30:073
133110994642,3cyclictest373780-21kworker/u8:0+flush-179:012:00:102
133110994640,5cyclictest425760-21apt-get11:50:132
133109994643,2cyclictest263340-21kworker/u8:1+events_unbound09:15:101
133109994642,3cyclictest373780-21kworker/u8:0+flush-179:011:25:091
133109994642,3cyclictest273826-21kworker/u8:3+events_unbound09:45:121
133106994642,3cyclictest257987-21kworker/u8:0+flush-179:009:15:180
13310699460,45cyclictest3125627-21ChromeDriver00:55:190
133112994542,2cyclictest429368-21kworker/u8:1+flush-179:011:55:063
133110994519,25cyclictest3125721-21chrome09:30:062
133109994542,3cyclictest373780-21kworker/u8:0+flush-179:012:19:521
133109994542,2cyclictest174721-21kworker/u8:4+events_unbound08:10:381
133109994541,3cyclictest424015-21kworker/u8:4+events_unbound11:55:161
133109994541,3cyclictest174721-21kworker/u8:4+events_unbound08:00:301
133109994535,10cyclictest424015-21kworker/u8:4+flush-179:012:10:191
133109994532,12cyclictest335511-21kworker/u8:3+events_unbound10:24:401
133106994542,2cyclictest63011-21kworker/u8:3+flush-179:007:45:060
133106994541,3cyclictest299208-21kworker/u8:5+events_unbound10:01:300
133110994441,2cyclictest86333-21kworker/u8:2+flush-179:007:33:242
133110994441,2cyclictest444374-21kworker/u8:2+flush-179:012:35:192
133110994440,3cyclictest299208-21kworker/u8:5+flush-179:010:15:042
133110994438,5cyclictest3125725-21ThreadPoolForeg10:32:002
133109994441,2cyclictest444374-21kworker/u8:2+flush-179:012:20:221
133109994439,4cyclictest3125725-21ThreadPoolForeg07:15:451
133109994429,3cyclictest207140-21/usr/share/muni08:20:041
133106994441,3cyclictest174721-21kworker/u8:4+flush-179:008:10:590
133106994440,3cyclictest413206-21kworker/u8:2+flush-179:011:45:000
133106994440,3cyclictest273826-21kworker/u8:3+flush-179:009:30:260
133112994339,3cyclictest190989-21kworker/u8:0+flush-179:008:17:123
133110994341,2cyclictest164380-21kworker/u8:0+flush-179:007:45:332
133110994340,2cyclictest299208-21kworker/u8:5+events_unbound10:15:002
133110994339,3cyclictest335511-21kworker/u8:3+flush-179:010:50:372
133110994338,4cyclictest180279-31munin-html07:51:192
133109994341,2cyclictest293970-21kworker/u8:4+flush-179:009:55:251
133109994340,2cyclictest373780-21kworker/u8:0+events_unbound11:20:281
133109994339,3cyclictest335511-21kworker/u8:3+flush-179:010:54:221
133109994339,3cyclictest259896-21apt-get09:10:141
133109994339,3cyclictest138053-21kworker/u8:1+flush-179:008:30:121
133109994337,5cyclictest133230-21/usr/share/muni07:10:021
133106994340,2cyclictest2943946-1kworker/0:0H+kblockd11:29:150
133106994337,4cyclictest320620-21/usr/share/muni10:10:120
133106994310,32cyclictest3125728-13Compositor11:55:350
13310699430,42cyclictest263516-21unin-run09:15:000
133112994239,2cyclictest366641-21kworker/u8:2+flush-179:011:05:393
133110994240,2cyclictest373780-21kworker/u8:0+flush-179:011:55:352
133110994240,2cyclictest366641-21kworker/u8:2+flush-179:011:10:072
133110994239,2cyclictest345716-21kworker/u8:2+flush-179:010:40:012
133110994239,2cyclictest263340-21kworker/u8:1+flush-179:009:55:192
133109994239,2cyclictest174721-21kworker/u8:4+events_unbound09:01:341
133109994238,3cyclictest424015-21kworker/u8:4+flush-179:011:50:021
133109994238,3cyclictest203134-21kworker/u8:3+flush-179:008:25:101
133109994238,3cyclictest203134-21kworker/u8:3+flush-179:008:25:091
133109994238,3cyclictest174721-21kworker/u8:4+flush-179:008:50:401
133109994232,3cyclictest366641-21kworker/u8:2+events_unbound11:15:041
133106994239,2cyclictest263340-21kworker/u8:1+events_unbound09:50:150
133106994238,3cyclictest232814-21ThreadPoolForeg08:45:010
133112994138,2cyclictest373780-21kworker/u8:0+flush-179:011:25:053
133112994135,4cyclictest247855-31munin-graph08:56:533
133110994138,2cyclictest229272-21kworker/2:1+pm09:10:412
133109994138,2cyclictest429368-21kworker/u8:1+events_unbound12:08:131
133109994138,2cyclictest190989-21kworker/u8:0+flush-179:008:05:041
133109994128,2cyclictest4156691-1kworker/1:1H+kblockd11:40:321
13310699416,34cyclictest3125721-21chrome07:35:300
133106994138,2cyclictest373780-21kworker/u8:0+flush-179:011:30:360
133106994137,3cyclictest247942-21kworker/u8:0+flush-179:009:00:160
133106994129,11cyclictest1260-21snmpd11:38:300
133112994036,3cyclictest174721-21kworker/u8:4+flush-179:008:00:383
133112994035,4cyclictest397521-21kworker/u8:3+flush-179:011:45:223
133110994038,2cyclictest63011-21kworker/u8:3+flush-179:007:20:162
133110994038,1cyclictest229272-21kworker/2:1+pm10:26:352
133110994038,1cyclictest229272-21kworker/2:1+pm09:35:082
133110994037,2cyclictest206520-21kworker/2:0+pm08:38:062
133110994037,2cyclictest206520-21kworker/2:0+pm08:30:362
133110994037,2cyclictest174721-21kworker/u8:4+flush-179:009:15:072
133110994036,3cyclictest424015-21kworker/u8:4+flush-179:012:05:452
133110994036,3cyclictest413206-21kworker/u8:2+flush-179:011:45:162
133110994036,2cyclictest96606-21kworker/2:1+pm07:58:232
133110994035,3cyclictest232833-21chrome08:45:022
133110994033,2cyclictest86333-21kworker/u8:2+flush-179:007:10:032
13311099401,38cyclictest3125721-21chrome08:40:162
133106994036,3cyclictest257987-21kworker/u8:0+flush-179:009:20:270
133106994036,2cyclictest355972-21kworker/0:1+pm10:49:030
133106994027,12cyclictest294394-21ChromeDriver00:55:190
133112993937,1cyclictest63011-21kworker/u8:3+events_unbound07:35:083
133112993936,2cyclictest330711-21kworker/u8:0+flush-179:010:24:013
133112993934,4cyclictest134527-21ntpq07:10:163
133112993933,4cyclictest294550-21ThreadPoolForeg09:45:203
133112993933,2cyclictest455355-21kworker/u8:3+flush-179:012:35:073
13311299391,2cyclictest247557-21chrome09:04:353
133110993937,1cyclictest457339-21kworker/2:1+pm12:25:542
133110993937,1cyclictest408249-21kworker/2:0+pm11:42:262
133110993937,1cyclictest229272-21kworker/2:1+pm09:07:242
133110993936,2cyclictest96606-21kworker/2:1+pm07:37:552
133110993936,2cyclictest229272-21kworker/2:1+pm10:56:152
133110993936,2cyclictest229272-21kworker/2:1+pm08:57:382
133110993936,2cyclictest206520-21kworker/2:0+pm08:27:182
133110993936,2cyclictest206520-21kworker/2:0+pm08:27:182
133110993936,1cyclictest229272-21kworker/2:1+pm08:53:572
133110993934,4cyclictest310400-21/usr/share/muni10:00:252
133109993936,2cyclictest138053-21kworker/u8:1+events_unbound08:40:251
133106993937,1cyclictest191rcuc/009:00:010
133106993936,2cyclictest335511-21kworker/u8:3+flush-179:010:40:240
133106993936,2cyclictest138053-21kworker/u8:1+flush-179:008:30:000
133106993936,2cyclictest138053-21kworker/u8:1+flush-179:008:30:000
133106993934,4cyclictest3125689-21ThreadPoolForeg11:04:410
13310699390,38cyclictest3125721-21chrome10:37:140
133112993835,2cyclictest3514767-1kworker/3:0H+kblockd12:19:003
133112993834,3cyclictest63011-21kworker/u8:3+flush-179:007:50:263
133112993834,3cyclictest439605-21apt-get12:05:003
133112993831,6cyclictest3125725-21ThreadPoolForeg12:20:253
133110993836,1cyclictest457339-21kworker/2:1+pm12:30:182
133110993836,1cyclictest408249-21kworker/2:0+pm11:38:282
133110993836,1cyclictest229272-21kworker/2:1+pm10:20:092
133110993836,1cyclictest229272-21kworker/2:1+pm09:48:342
133110993836,1cyclictest229272-21kworker/2:1+pm09:20:562
133110993835,2cyclictest445016-21kworker/2:3+pm12:13:502
133110993835,2cyclictest229272-21kworker/2:1+pm11:25:192
133110993835,2cyclictest229272-21kworker/2:1+pm10:41:492
133110993834,3cyclictest361103-21kworker/u8:1+flush-179:010:50:012
133110993834,3cyclictest273826-21kworker/u8:3+flush-179:009:25:272
133110993834,3cyclictest229272-21kworker/2:1+pm11:32:222
133110993824,13cyclictest86333-21kworker/u8:2+events_unbound07:43:512
133109993835,2cyclictest366641-21kworker/u8:2+events_unbound11:00:571
133109993835,2cyclictest335511-21kworker/u8:3+flush-179:011:14:421
133106993836,1cyclictest377155-21kworker/0:0+pm11:09:360
133106993835,3cyclictest373780-21kworker/u8:0+events_unbound12:00:350
133106993835,2cyclictest424015-21kworker/u8:4+flush-179:012:05:040
133106993835,2cyclictest257987-21kworker/u8:0+flush-179:009:26:360
133106993835,2cyclictest138053-21kworker/u8:1+flush-179:008:30:090
133106993834,3cyclictest397521-21kworker/u8:3+events_unbound11:24:150
133106993834,3cyclictest366834-21/usr/share/muni10:55:190
133106993834,3cyclictest3125721-21chrome11:45:120
133106993834,2cyclictest2943946-1kworker/0:0H+kblockd08:15:010
133112993734,2cyclictest3514767-1kworker/3:0H+kblockd10:16:583
133112993734,2cyclictest3514767-1kworker/3:0H+kblockd08:31:453
133112993733,3cyclictest397521-21kworker/u8:3+flush-179:011:40:233
133110993735,1cyclictest96606-21kworker/2:1+pm08:11:342
133110993735,1cyclictest96606-21kworker/2:1+pm08:02:262
133110993735,1cyclictest450129-21kworker/2:0+pm12:20:172
133110993735,1cyclictest229272-21kworker/2:1+pm11:06:162
133110993735,1cyclictest229272-21kworker/2:1+pm10:06:132
133110993735,1cyclictest229272-21kworker/2:1+pm09:41:432
133110993735,1cyclictest229272-21kworker/2:1+pm09:41:422
133110993733,3cyclictest373780-21kworker/u8:0+events_unbound12:15:082
133110993733,3cyclictest366641-21kworker/u8:2+flush-179:011:00:402
133109993734,2cyclictest174721-21kworker/u8:4+events_unbound07:59:131
133109993724,2cyclictest4156691-1kworker/1:1H+kblockd09:32:121
133106993734,2cyclictest2943946-1kworker/0:0H+kblockd12:31:140
133106993734,2cyclictest2943946-1kworker/0:0H+kblockd08:40:040
133106993733,3cyclictest444374-21kworker/u8:2+flush-179:012:38:580
133106993733,3cyclictest2943946-1kworker/0:0H+kblockd08:05:510
133106993733,3cyclictest144418-21/usr/share/muni07:20:110
133112993634,1cyclictest3514767-1kworker/3:0H+kblockd11:38:093
133112993634,1cyclictest3514767-1kworker/3:0H+kblockd09:50:253
133112993634,1cyclictest3514767-1kworker/3:0H+kblockd08:47:303
133112993634,1cyclictest247557-21chrome12:07:243
133112993633,2cyclictest3514767-1kworker/3:0H+kblockd08:23:193
133112993633,2cyclictest3514767-1kworker/3:0H+kblockd08:05:363
133112993633,2cyclictest3125599-21python307:56:283
133112993632,3cyclictest366641-21kworker/u8:2+flush-179:011:00:303
133112993632,3cyclictest330711-21kworker/u8:0+events_unbound10:25:303
133112993632,2cyclictest190989-21kworker/u8:0+flush-179:008:25:263
133112993632,2cyclictest190989-21kworker/u8:0+flush-179:008:25:253
133112993631,3cyclictest335511-21kworker/u8:3+flush-179:010:40:203
133112993631,3cyclictest238186-21kworker/u8:2+flush-179:009:05:163
133112993618,16cyclictest268925-21/usr/share/muni09:20:183
133106993634,2cyclictest299208-21kworker/u8:5+flush-179:010:05:150
133106993633,2cyclictest424015-21kworker/u8:4+flush-179:011:54:240
133106993633,2cyclictest3125599-21python307:27:010
133106993633,2cyclictest2943946-1kworker/0:0H+kblockd09:44:160
133106993633,2cyclictest2943946-1kworker/0:0H+kblockd09:44:160
133106993629,6cyclictest3125727-21ThreadPoolForeg10:20:010
13310699361,34cyclictest3125724-21ThreadPoolForeg09:05:280
13310699360,35cyclictest3125629-21e21169fc69a4c6707:55:090
133112993532,2cyclictest3514767-1kworker/3:0H+kblockd12:12:453
133112993532,2cyclictest3514767-1kworker/3:0H+kblockd11:50:273
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