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2025-12-31 - 17:27
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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 Wed Dec 31, 2025 12:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41516992224182,32sleep10-21swapper/107:07:351
41516562220192,18sleep30-21swapper/307:07:013
41516202202178,14sleep20-21swapper/207:06:362
41517692195152,34sleep00-21swapper/007:08:310
28564421440,2sleep20-21swapper/212:25:002
415209699931,2cyclictest3125721-21chrome07:45:011
4152099996763,3cyclictest51295-21kworker/u8:5+events_unbound10:05:293
415209799636,56cyclictest161168-21kworker/u8:1+efi_rts_wq10:42:582
4152099995944,14cyclictest150201-21kworker/u8:0+flush-179:010:20:133
4152096995842,14cyclictest244048-13chrome11:45:011
4152099995652,3cyclictest46285-21kworker/u8:0+events_unbound08:40:013
4152097995652,2cyclictest4189446-13chrome07:45:022
4152096995650,4cyclictest145283-21munin-update10:10:341
4152096995547,6cyclictest156107-21/usr/share/muni10:20:011
4152094995551,3cyclictest76405-21systemd-journal12:15:090
4152094995550,4cyclictest249584-21/usr/share/muni11:50:160
415209499550,2cyclictest119750-21munin-node09:45:010
4152099995449,4cyclictest12523-21kworker/u8:3+flush-179:008:10:213
4152097995348,4cyclictest181858-21/usr/share/muni10:45:172
4152099995248,3cyclictest243183-21kworker/u8:2+flush-179:012:35:203
4152099995247,3cyclictest4139903-21kworker/u8:2+flush-179:007:15:053
4152099995246,4cyclictest4146596-21kworker/u8:4+flush-179:007:45:173
4152099995235,15cyclictest187113-21/usr/share/muni10:50:173
4152097995144,5cyclictest88647-21/usr/share/muni09:15:122
4152097995044,4cyclictest254686-21/usr/share/muni11:55:092
4152097995037,1cyclictest119746-21/usr/share/muni09:45:012
4152096995046,3cyclictest181838-13Chrome_IOThread10:45:031
4152096995041,7cyclictest280724-21/usr/share/muni12:20:021
4152099994945,3cyclictest176424-21munin-update10:40:363
4152099994944,4cyclictest167683-21apt-get10:30:143
4152099994944,4cyclictest167683-21apt-get10:30:143
4152097994946,2cyclictest207691-21apt-get11:10:062
4152097994946,2cyclictest207691-21apt-get11:10:052
4152097994936,8cyclictest4163029-21kworker/2:0+pm08:10:132
4152097994928,20cyclictest140018-21kworker/u8:3+flush-179:010:10:212
4152096994940,6cyclictest78452-21/usr/share/muni09:05:081
4152096994912,3cyclictest51295-21kworker/u8:5+flush-179:010:05:061
4152099994845,2cyclictest161168-21kworker/u8:1+flush-179:011:25:163
4152099994843,3cyclictest171287-21kworker/u8:4+flush-179:011:00:113
4152096994844,2cyclictest243183-21kworker/u8:2+events_unbound11:55:151
4152096994842,4cyclictest4146596-21kworker/u8:4+flush-179:007:50:071
4152094994844,3cyclictest161168-21kworker/u8:1+flush-179:010:30:360
4152094994844,3cyclictest161168-21kworker/u8:1+flush-179:010:30:360
4152094994842,5cyclictest247515-21ThreadPoolForeg10:40:040
4152097994744,2cyclictest150203-21kworker/2:0+pm11:30:002
4152097994740,5cyclictest3125724-21ThreadPoolForeg08:35:162
4152096994744,2cyclictest171287-21kworker/u8:4+flush-179:010:55:251
4152096994742,4cyclictest150201-21kworker/u8:0+flush-179:010:30:001
4152099994642,3cyclictest4073849-21kworker/u8:0+flush-179:007:35:133
4152099994642,3cyclictest243183-21kworker/u8:2+flush-179:012:25:253
4152099994640,5cyclictest4174076-21/usr/share/muni07:30:183
4152097994632,10cyclictest150203-21kworker/2:0+pm12:10:112
4152096994642,3cyclictest9682-21kworker/u8:0+flush-179:008:11:221
4152096994640,4cyclictest254442-21latency_hist11:55:011
4152096994640,4cyclictest161168-21kworker/u8:1+flush-179:011:23:551
4152094994633,1cyclictest244228-21date11:45:010
4152099994542,2cyclictest51295-21kworker/u8:5+flush-179:008:50:083
4152099994539,4cyclictest67691-21/usr/share/muni08:55:203
4152099994539,4cyclictest228507-21kworker/u8:0+flush-179:012:00:183
4152096994539,4cyclictest103426-21kworker/u8:1+flush-179:009:50:111
4152094994542,2cyclictest4162821-21kworker/u8:1+flush-179:007:30:250
4152094994533,4cyclictest67696-21/usr/share/muni08:55:040
4152094994532,4cyclictest4168853-21/usr/share/muni07:25:180
4152099994440,3cyclictest171287-21kworker/u8:4+flush-179:011:40:103
4152099994439,4cyclictest57102-21/usr/share/muni08:45:243
4152099994439,3cyclictest46285-21kworker/u8:0+flush-179:009:40:093
4152097994442,1cyclictest4163029-21kworker/2:0+pm07:32:502
4152097994439,3cyclictest11005-21/usr/share/muni08:00:162
4152097994413,30cyclictest247544-13Chrome_ChildIOT09:21:052
4152096994438,4cyclictest233922-21/usr/share/muni11:35:241
4152096994437,5cyclictest93832-21/usr/share/muni09:20:021
4152096994428,14cyclictest118759-31munin-graph09:41:051
4152094994439,4cyclictest206663-21ntpq11:05:280
4152094994434,9cyclictest3927797-1kworker/0:2H+kblockd07:40:050
41728542430,1chrt4172847-21ntpq07:25:322
4152099994338,4cyclictest171287-21kworker/u8:4+flush-179:010:45:163
4152099994338,4cyclictest12523-21kworker/u8:3+events_unbound08:15:153
4152097994337,5cyclictest150203-21kworker/2:0+pm10:24:332
4152097994336,6cyclictest56609-21kworker/2:1+pm10:03:252
4152097994336,6cyclictest280308-21kworker/2:1+pm12:30:552
4152097994332,6cyclictest56609-21kworker/2:1+pm08:45:532
4152096994340,2cyclictest93128-1kworker/1:2H+kblockd10:50:041
4152096994338,3cyclictest30998-21kworker/u8:4+flush-179:008:20:061
4152096994338,3cyclictest30998-21kworker/u8:4+flush-179:008:20:061
4152096994338,3cyclictest274664-31munin-html12:10:421
4152096994335,6cyclictest99884-21rs:main1
415209699431,42cyclictest161168-21kworker/u8:1+efi_rts_wq10:43:001
4152094994339,3cyclictest186568-21kworker/u8:2+flush-179:010:50:290
4152099994239,2cyclictest61783-21kworker/u8:2+events_unbound09:35:193
4152099994239,2cyclictest51295-21kworker/u8:5+flush-179:008:40:213
4152097994238,2cyclictest4163029-21kworker/2:0+pm08:43:582
4152097994238,2cyclictest4163029-21kworker/2:0+pm07:42:362
4152097994237,4cyclictest46285-21kworker/u8:0+flush-179:010:05:022
4152097994235,6cyclictest134408-31munin-html09:55:372
4152097994231,7cyclictest56609-21kworker/2:1+pm08:59:112
4152096994234,5cyclictest4163475-21/usr/share/muni07:20:011
4152096994234,5cyclictest4163475-21/usr/share/muni07:20:011
4152099994138,2cyclictest4183716-21kworker/u8:2+events_unbound07:53:023
4152099994138,2cyclictest4146596-21kworker/u8:4+flush-179:007:26:083
4152099994138,2cyclictest103426-21kworker/u8:1+flush-179:009:50:123
4152099994137,2cyclictest46285-21kworker/u8:0+events_unbound09:30:213
4152099994136,3cyclictest557-21kworker/u8:1+flush-179:007:55:293
4152099994136,3cyclictest30998-21kworker/u8:4+events_unbound08:30:103
4152099994135,4cyclictest228507-21kworker/u8:0+flush-179:011:30:163
4152097994138,2cyclictest56609-21kworker/2:1+pm09:41:092
4152097994138,2cyclictest4163029-21kworker/2:0+pm07:53:202
4152097994137,3cyclictest56609-21kworker/2:1+pm09:00:062
4152097994137,3cyclictest26080-21kworker/u8:2+flush-179:008:17:232
4152097994136,3cyclictest161168-21kworker/u8:1+flush-179:010:30:312
4152097994136,3cyclictest161168-21kworker/u8:1+flush-179:010:30:312
4152097994126,11cyclictest1260-21snmpd11:09:042
4152097994123,17cyclictest161168-21kworker/u8:1+flush-179:011:00:022
4152096994136,3cyclictest67006-21kworker/u8:1+flush-179:009:15:271
4152096994135,5cyclictest9682-21kworker/u8:0+flush-179:008:07:161
4152094994132,2cyclictest3927797-1kworker/0:2H+kblockd07:55:020
4152094994128,12cyclictest233302-1kworker/0:0H+kblockd11:31:570
415209499411,37cyclictest247545-13VizCompositorTh09:10:150
4152099994036,3cyclictest51295-21kworker/u8:5+events_unbound09:25:223
4152099994036,3cyclictest46285-21kworker/u8:0+events_unbound09:20:213
4152099994035,4cyclictest228507-21kworker/u8:0+events_unbound11:39:103
4152099994032,6cyclictest247515-21ThreadPoolForeg10:59:183
4152097994037,2cyclictest56609-21kworker/2:1+pm09:25:022
4152097994037,2cyclictest150203-21kworker/2:0+pm12:18:582
4152097994037,2cyclictest150203-21kworker/2:0+pm11:20:362
4152097994037,2cyclictest150203-21kworker/2:0+pm10:57:412
4152097994036,3cyclictest56609-21kworker/2:1+pm09:50:042
4152097994036,3cyclictest4163029-21kworker/2:0+pm08:23:262
4152097994036,3cyclictest4163029-21kworker/2:0+pm08:23:262
4152097994036,3cyclictest280308-21kworker/2:1+pm12:29:402
4152097994036,2cyclictest4163029-21kworker/2:0+pm08:05:182
4152097994035,3cyclictest56609-21kworker/2:1+pm09:05:292
4152097994025,11cyclictest4163029-21kworker/2:0+pm07:38:252
4152097994025,11cyclictest3965693-1kworker/2:0H+kblockd07:57:022
4152097994024,15cyclictest557-21kworker/u8:1+flush-179:008:25:312
4152097994023,9cyclictest3125725-21ThreadPoolForeg08:30:532
415209799401,4cyclictest3125721-21chrome11:51:472
4152096994036,3cyclictest186568-21kworker/u8:2+events_unbound11:01:201
4152096994034,4cyclictest290927-21/usr/share/muni12:30:021
4152096994020,17cyclictest109159-21/usr/share/muni09:35:151
4152096994018,5cyclictest4179176-21/usr/share/muni07:35:021
415209699400,39cyclictest175503-21ntpq10:35:301
4152094994035,4cyclictest4146596-21kworker/u8:4+flush-179:007:45:090
4152094994032,2cyclictest3927797-1kworker/0:2H+kblockd07:20:560
4152094994032,2cyclictest3927797-1kworker/0:2H+kblockd07:20:550
4152099993935,3cyclictest46285-21kworker/u8:0+flush-179:009:05:373
4152099993935,2cyclictest4153509-1kworker/3:1H+kblockd11:21:403
4152099993933,5cyclictest171287-21kworker/u8:4+flush-179:012:07:573
4152099993933,4cyclictest280717-21/usr/share/muni12:20:153
4152099993933,4cyclictest228507-21kworker/u8:0+events_unbound12:15:313
4152097993937,1cyclictest56609-21kworker/2:1+pm09:33:002
4152097993937,1cyclictest4156847-21kworker/2:1+pm07:17:192
4152097993937,1cyclictest150203-21kworker/2:0+pm10:38:162
4152097993936,2cyclictest150203-21kworker/2:0+pm11:15:262
4152097993936,2cyclictest150203-21kworker/2:0+pm10:53:232
4152097993935,3cyclictest3965693-1kworker/2:0H+kblockd11:38:392
4152097993935,2cyclictest3965693-1kworker/2:0H+kblockd11:44:032
4152097993927,11cyclictest3965693-1kworker/2:0H+kblockd10:27:592
415209799391,3cyclictest3125721-21chrome12:01:102
4152097993910,1cyclictest155104-31munin-graph10:16:032
4152096993934,3cyclictest4044360-1kworker/1:0H+kblockd08:51:521
4152096993932,5cyclictest46285-21kworker/u8:0+flush-179:009:45:231
4152094993934,4cyclictest3125725-21ThreadPoolForeg12:13:240
4152094993930,8cyclictest243183-21kworker/u8:2+flush-179:012:00:010
4152099993835,2cyclictest4183716-21kworker/u8:2+flush-179:007:40:203
4152099993834,2cyclictest4153509-1kworker/3:1H+kblockd09:57:543
4152099993834,2cyclictest4153509-1kworker/3:1H+kblockd09:45:023
4152099993832,4cyclictest247515-21ThreadPoolForeg09:15:253
4152099993828,7cyclictest247516-21Chrome_ChildIOT11:55:193
4152097993836,1cyclictest56609-21kworker/2:1+pm09:10:182
4152097993836,1cyclictest4120094-21kworker/2:2+pm07:12:182
4152097993835,2cyclictest56609-21kworker/2:1+pm08:51:142
4152097993834,3cyclictest46285-21kworker/u8:0+flush-179:009:35:012
4152097993834,2cyclictest3965693-1kworker/2:0H+kblockd11:26:552
415209799381,36cyclictest0-21swapper/212:36:362
4152097993810,27cyclictest269143-31munin-html12:05:492
4152096993835,2cyclictest4014447-21kworker/1:1+pm07:43:001
4152096993834,3cyclictest4044360-1kworker/1:0H+kblockd09:04:161
4152096993834,3cyclictest3125629-21e21169fc69a4c6708:04:341
4152096993834,3cyclictest171287-21kworker/u8:4+flush-179:012:28:201
4152096993834,2cyclictest93128-1kworker/1:2H+kblockd11:28:491
4152096993834,2cyclictest4188925-21kworker/1:2+pm08:19:231
4152096993834,2cyclictest4044360-1kworker/1:0H+kblockd07:15:581
4152096993831,6cyclictest3125725-21ThreadPoolForeg07:14:561
4152094993836,1cyclictest3927797-1kworker/0:2H+kblockd08:40:210
4152094993836,1cyclictest165975-21kworker/0:2+pm10:29:310
4152094993835,2cyclictest285814-21/usr/share/muni12:25:250
4152094993834,3cyclictest3927797-1kworker/0:2H+kblockd08:20:160
4152094993834,3cyclictest3927797-1kworker/0:2H+kblockd08:20:150
4152094993834,3cyclictest161168-21kworker/u8:1+flush-179:011:15:360
4152094993834,2cyclictest3927797-1kworker/0:2H+kblockd09:23:010
415209499381,35cyclictest197362-21snmp_wlanswitch11:00:030
4152099993734,3cyclictest4153509-1kworker/3:1H+kblockd11:17:073
4152099993733,3cyclictest4153509-1kworker/3:1H+kblockd09:00:373
4152099993732,4cyclictest140018-21kworker/u8:3+flush-179:010:10:243
4152099993732,3cyclictest228507-21kworker/u8:0+flush-179:012:10:213
4152099993731,4cyclictest557-21kworker/u8:1+flush-179:008:25:373
4152099993717,9cyclictest137038-21cat10:00:183
4152097993735,1cyclictest150203-21kworker/2:0+pm11:45:402
4152096993734,2cyclictest93128-1kworker/1:2H+kblockd09:26:021
4152096993733,3cyclictest93128-1kworker/1:2H+kblockd12:19:541
4152096993731,5cyclictest51295-21kworker/u8:5+flush-179:008:45:311
4152096993731,4cyclictest30998-21kworker/u8:4+flush-179:008:25:011
4152094993735,1cyclictest151ktimers/009:25:190
4152094993734,2cyclictest3927797-1kworker/0:2H+kblockd09:16:560
4152094993734,2cyclictest3927797-1kworker/0:2H+kblockd08:50:020
4152094993734,2cyclictest3927797-1kworker/0:2H+kblockd08:25:030
4152094993734,2cyclictest3927797-1kworker/0:2H+kblockd08:14:410
4152094993734,2cyclictest233302-1kworker/0:0H+kblockd12:01:260
4152094993733,2cyclictest3927797-1kworker/0:2H+kblockd10:22:190
4152094993732,4cyclictest247516-21Chrome_ChildIOT12:36:390
4152099993634,1cyclictest4157386-21kworker/3:3+pm10:29:153
4152099993634,1cyclictest4153509-1kworker/3:1H+kblockd10:39:443
4152099993633,2cyclictest4153509-1kworker/3:1H+kblockd08:00:353
4152099993632,3cyclictest1260-21snmpd10:15:023
4152099993632,2cyclictest4049804-1kworker/3:0H+kblockd07:10:143
4152099993631,3cyclictest4153509-1kworker/3:1H+kblockd07:21:043
4152099993631,3cyclictest4153509-1kworker/3:1H+kblockd07:21:033
4152099993627,6cyclictest208219-21/usr/share/muni11:10:083
4152099993627,6cyclictest208219-21/usr/share/muni11:10:073
4152097993628,7cyclictest3125629-21e21169fc69a4c6707:21:412
4152097993628,7cyclictest3125629-21e21169fc69a4c6707:21:402
4152096993634,1cyclictest93128-1kworker/1:2H+kblockd09:56:311
4152096993632,3cyclictest297198-21apt-get12:35:141
4152096993632,2cyclictest93128-1kworker/1:2H+kblockd09:31:131
4152096993631,4cyclictest3125648-13Chrome_IOThread11:14:121
4152096993631,4cyclictest3125648-13Chrome_IOThread11:14:111
4152096993630,5cyclictest166470-21/usr/share/muni10:30:051
4152096993630,5cyclictest166470-21/usr/share/muni10:30:051
4152096993630,3cyclictest7325-21df_inode07:55:151
4152096993623,11cyclictest247563-13Compositor08:30:141
4152094993634,1cyclictest3927797-1kworker/0:2H+kblockd11:20:140
4152094993634,1cyclictest3927797-1kworker/0:2H+kblockd09:30:170
4152094993634,1cyclictest233302-1kworker/0:0H+kblockd12:08:550
4152094993633,2cyclictest3927797-1kworker/0:2H+kblockd10:37:500
4152094993633,2cyclictest3927797-1kworker/0:2H+kblockd09:40:040
4152094993633,2cyclictest3927797-1kworker/0:2H+kblockd08:53:330
4152094993633,2cyclictest3927797-1kworker/0:2H+kblockd08:02:220
4152094993633,2cyclictest233302-1kworker/0:0H+kblockd12:20:110
4152094993633,2cyclictest233302-1kworker/0:0H+kblockd11:40:180
4152094993632,3cyclictest223728-21/usr/share/muni11:25:240
4152099993532,2cyclictest9682-21kworker/u8:0+flush-179:008:05:303
4152099993532,2cyclictest4153509-1kworker/3:1H+kblockd11:05:093
4152099993532,2cyclictest4153509-1kworker/3:1H+kblockd09:12:533
4152096993534,1cyclictest93128-1kworker/1:2H+kblockd11:43:531
4152096993533,1cyclictest4044360-1kworker/1:0H+kblockd08:57:471
4152096993531,3cyclictest4044360-1kworker/1:0H+kblockd08:35:351
4152096993530,3cyclictest93128-1kworker/1:2H+kblockd10:00:541
4152096993528,6cyclictest4044360-1kworker/1:0H+kblockd09:12:081
4152094993533,1cyclictest3927797-1kworker/0:2H+kblockd10:57:300
4152094993533,1cyclictest3927797-1kworker/0:2H+kblockd09:56:300
4152094993533,1cyclictest3927797-1kworker/0:2H+kblockd08:32:590
4152094993533,1cyclictest3927797-1kworker/0:2H+kblockd07:38:090
4152094993533,1cyclictest207313-21kworker/0:1+pm11:10:290
4152094993533,1cyclictest207313-21kworker/0:1+pm11:10:290
4152094993532,2cyclictest3927797-1kworker/0:2H+kblockd10:13:490
4152094993532,2cyclictest3927797-1kworker/0:2H+kblockd10:07:220
4152094993532,2cyclictest3927797-1kworker/0:2H+kblockd08:37:580
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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