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2025-05-10 - 16:45
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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 Sat May 10, 2025 12:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32873532212169,34sleep10-21swapper/107:09:411
32873582210166,34sleep30-21swapper/307:09:433
32871682203156,14sleep00-21swapper/007:07:590
32871052188164,14sleep20-21swapper/207:07:252
3287618999286,4cyclictest3451163-21chrome10:45:022
328762099870,56cyclictest3385662-21snmp_wlanswitch08:45:023
3287618996762,3cyclictest3461707-21kworker/u8:2+events_unbound10:05:232
3287618996662,3cyclictest3548229-21kworker/u8:1+events_unbound11:55:192
3287618996558,3cyclictest3488967-21kworker/u8:0+events_unbound11:20:142
3287620996458,4cyclictest3457281-21/usr/share/muni09:55:043
3287620996458,4cyclictest3457281-21/usr/share/muni09:55:043
3287618996057,2cyclictest3410484-21kworker/u8:4+flush-179:010:15:372
328760999606,54cyclictest3369535-21kworker/u8:0+efi_rts_wq08:38:160
3287614995954,2cyclictest3548229-21kworker/u8:1+events_unbound11:55:091
3287618995854,3cyclictest3303212-21kworker/u8:4+flush-179:007:40:142
3287618995754,2cyclictest3322957-21kworker/u8:5+events_unbound08:55:192
3287618995653,2cyclictest3569362-21snmp_wlanswitch11:45:032
3287618995653,2cyclictest3569362-21snmp_wlanswitch11:45:022
3287618995653,2cyclictest3569362-21snmp_wlanswitch11:45:022
3287618995653,2cyclictest3518027-21kworker/u8:2+events_unbound11:15:272
3287620995550,3cyclictest3288908-21apt-get07:10:133
3287618995449,3cyclictest3548229-21kworker/u8:1+flush-179:012:25:342
3287618995349,3cyclictest3410484-21kworker/u8:4+flush-179:009:45:212
3287618995349,3cyclictest3410484-21kworker/u8:4+flush-179:009:45:202
3287618995349,3cyclictest3303212-21kworker/u8:4+events_unbound07:45:152
3287618995348,4cyclictest3430743-21kworker/u8:3+events_unbound09:40:322
3287618995348,3cyclictest3196953-21kworker/u8:2+flush-179:007:21:232
3287614995338,13cyclictest3548229-21kworker/u8:1+flush-179:011:35:081
3287609995348,4cyclictest3451084-21HangWatcher11:05:310
3287618995248,3cyclictest3518035-21kworker/u8:3+flush-179:011:30:182
3287618995246,5cyclictest3322957-21kworker/u8:5+flush-179:007:50:322
3287614995248,3cyclictest3410484-21kworker/u8:4+events_unbound09:54:221
3287614995246,5cyclictest3595793-21/usr/share/muni12:10:041
3287620995145,4cyclictest3589554-21kworker/u8:3+flush-179:012:35:293
3287620995030,18cyclictest3335049-21systemd-journal09:12:223
3287618995048,1cyclictest3589860-21kworker/2:1+pm12:05:352
3287618995046,3cyclictest3548229-21kworker/u8:1+flush-179:011:35:152
3287618995046,3cyclictest3497391-21kworker/u8:1+events_unbound10:45:012
3287618995046,3cyclictest3344619-21kworker/u8:2+flush-179:008:05:322
3287614995048,2cyclictest3297998-21kworker/u8:0+events_unbound07:20:351
3287614995043,6cyclictest3606030-21ThreadPoolForeg11:03:331
3287618994946,2cyclictest3518035-21kworker/u8:3+events_unbound11:27:142
3287618994946,2cyclictest3261602-21kworker/u8:1+events_unbound07:10:342
3287618994943,2cyclictest3322957-21kworker/u8:5+flush-179:011:05:152
3287614994943,5cyclictest3554005-21/usr/share/muni11:30:171
3287618994845,2cyclictest3488967-21kworker/u8:0+flush-179:012:30:362
3287614994838,9cyclictest3369535-21kworker/u8:0+flush-179:009:06:371
3287609994844,3cyclictest3324990-21Chrome_ChildIOT07:45:140
3287620994744,2cyclictest3322957-21kworker/u8:5+flush-179:011:00:203
3287618994745,2cyclictest3308273-21kworker/u8:0+flush-179:008:15:212
3287618994743,3cyclictest3354553-21kworker/u8:1+events_unbound08:40:112
3287618994741,3cyclictest3488967-21kworker/u8:0+events_unbound11:10:122
3287614994744,3cyclictest3410484-21kworker/u8:4+flush-179:010:20:301
3287614994727,3cyclictest3585073-21/usr/share/muni12:00:031
328761499470,46cyclictest3606029-21ThreadPoolForeg08:45:011
3287609994743,3cyclictest3553767-21munin-update11:30:340
3287620994641,3cyclictest3322957-21kworker/u8:5+flush-179:008:16:403
328762099462,43cyclictest3369535-21kworker/u8:0+efi_rts_wq08:38:173
328761899468,16cyclictest3425195-21munin-limits09:20:342
3287618994642,3cyclictest3420408-21kworker/u8:2+flush-179:009:30:212
3287618994642,3cyclictest3322957-21kworker/u8:5+flush-179:009:25:192
3287618994642,3cyclictest3303212-21kworker/u8:4+flush-179:007:35:292
3287618994632,3cyclictest3322957-21kworker/u8:5+flush-179:010:25:002
3287614994642,3cyclictest3335049-21systemd-journal09:17:031
3287618994542,2cyclictest3548229-21kworker/u8:1+flush-179:012:20:312
3287618994542,2cyclictest3548229-21kworker/u8:1+flush-179:012:15:192
3287618994542,2cyclictest3548229-21kworker/u8:1+events_unbound12:10:242
3287618994542,2cyclictest3308273-21kworker/u8:0+flush-179:007:55:222
3287618994540,4cyclictest3488967-21kworker/u8:0+flush-179:010:50:352
3287614994542,2cyclictest3369535-21kworker/u8:0+events_unbound09:10:291
3287614994542,2cyclictest3369535-21kworker/u8:0+events_unbound08:45:191
3287609994542,2cyclictest3322957-21kworker/u8:5+events_unbound10:10:400
328760999450,44cyclictest3451170-20Compositor10:45:010
3287620994438,4cyclictest3488967-21kworker/u8:0+flush-179:011:06:173
3287620994438,4cyclictest3319651-21/usr/share/muni07:40:033
3287618994441,2cyclictest3548229-21kworker/u8:1+events_unbound12:00:032
3287618994441,2cyclictest3451610-21kworker/2:0+pm10:10:342
3287618994441,2cyclictest3322957-21kworker/u8:5+events_unbound09:35:312
3287618994439,4cyclictest3445844-21kworker/u8:1+events_unbound09:50:292
3287618994430,13cyclictest3451610-21kworker/2:0+pm10:29:212
3287614994441,2cyclictest3589554-21kworker/u8:3+events_unbound12:27:291
3287614994441,2cyclictest3425607-21kworker/u8:0+events_unbound09:25:351
3287614994440,3cyclictest3548229-21kworker/u8:1+events_unbound11:41:331
3287614994440,3cyclictest3548229-21kworker/u8:1+events_unbound11:41:331
3287614994440,3cyclictest3548229-21kworker/u8:1+events_unbound11:41:331
3287620994341,2cyclictest3430743-21kworker/u8:3+flush-179:009:40:273
3287618994341,2cyclictest3410484-21kworker/u8:4+flush-179:009:55:232
3287618994341,2cyclictest3410484-21kworker/u8:4+flush-179:009:55:232
3287618994340,2cyclictest3615640-21kworker/u8:4+flush-179:012:35:012
3287618994338,3cyclictest3577337-21kworker/u8:2+flush-179:011:50:412
3287618994338,3cyclictest3303223-21kworker/u8:5+flush-179:007:25:032
3287618994338,2cyclictest3277175-21kworker/u8:3+flush-179:007:15:232
3287618994330,12cyclictest3568739-21kworker/2:1+pm11:47:382
3287614994340,2cyclictest3359856-21kworker/u8:2+events_unbound08:21:281
3287614994337,4cyclictest3334905-21munin-update07:55:061
3287614994329,2cyclictest3369535-21kworker/u8:0+events_unbound08:28:411
3287609994340,3cyclictest3322957-21kworker/u8:5+events_unbound09:03:020
3287609994339,3cyclictest3488967-21kworker/u8:0+events_unbound11:48:190
3287609994339,3cyclictest3277175-21kworker/u8:3+flush-179:007:10:360
3287620994237,4cyclictest3416165-21/usr/share/muni09:15:153
3287620994236,4cyclictest3497955-21/usr/share/muni10:35:013
328761899426,36cyclictest3369535-21kworker/u8:0+efi_rts_wq08:38:152
3287618994239,2cyclictest3518035-21kworker/u8:3+events_unbound11:00:302
3287618994239,2cyclictest3303212-21kworker/u8:4+flush-179:007:30:132
3287614994240,2cyclictest3322957-21kworker/u8:5+flush-179:008:55:291
3287614994239,2cyclictest3322957-21kworker/u8:5+events_unbound09:45:491
3287614994239,2cyclictest3322957-21kworker/u8:5+events_unbound09:45:481
3287614994239,2cyclictest3322957-21kworker/u8:5+events_unbound08:30:171
3287614994238,3cyclictest3518027-21kworker/u8:2+events_unbound10:59:471
3287614994238,3cyclictest3322957-21kworker/u8:5+events_unbound10:36:431
3287609994239,2cyclictest3548229-21kworker/u8:1+events_unbound12:08:040
3287609994239,2cyclictest3410484-21kworker/u8:4+flush-179:009:20:330
3287609994237,4cyclictest3339024-31munin-html07:55:350
3287609994236,5cyclictest3477222-21munin-update10:15:040
3287620994138,2cyclictest3334704-21kworker/3:0+pm08:14:523
3287620994136,4cyclictest3558877-21/usr/share/muni11:35:113
3287618994138,2cyclictest3369535-21kworker/u8:0+flush-179:009:15:162
3287618994138,2cyclictest3303212-21kworker/u8:4+flush-179:008:25:172
3287614994139,2cyclictest3589554-21kworker/u8:3+events_unbound12:30:241
3287614994135,3cyclictest3369535-21kworker/u8:0+events_unbound08:50:331
3287609994139,2cyclictest3322957-21kworker/u8:5+events_unbound08:59:460
3287609994139,2cyclictest3298000-21kworker/u8:1+events_unbound07:31:590
3287609994137,3cyclictest3463512-21apt-get10:00:130
3287609994137,3cyclictest3461707-21kworker/u8:2+events_unbound10:27:020
3287609994136,4cyclictest3451163-21chrome07:24:250
3287609994136,4cyclictest3308095-31munin-html07:25:390
3287620994038,1cyclictest3544374-21kworker/3:2+pm11:26:563
3287620994037,2cyclictest3282660-1kworker/3:1H+kblockd07:21:133
3287620994035,3cyclictest3282660-1kworker/3:1H+kblockd12:33:393
3287618994038,1cyclictest3451610-21kworker/2:0+pm10:36:142
3287618994037,2cyclictest3385274-21kworker/2:2+pm08:50:262
3287618994037,2cyclictest3354553-21kworker/u8:1+flush-179:009:00:152
3287618994037,2cyclictest3303212-21kworker/u8:4+flush-179:008:20:332
3287618994036,3cyclictest3369535-21kworker/u8:0+flush-179:009:10:182
3287618994035,4cyclictest3410484-21kworker/u8:4+flush-179:010:30:152
3287618994035,4cyclictest3410484-21kworker/u8:4+flush-179:010:00:222
3287618994034,5cyclictest3606030-21ThreadPoolForeg08:01:292
3287614994038,1cyclictest3436002-21kworker/1:1+pm10:18:371
3287614994037,2cyclictest3322957-21kworker/u8:5+events_unbound10:34:011
3287614994036,3cyclictest3488967-21kworker/u8:0+flush-179:011:15:231
3287614994036,3cyclictest3335049-21systemd-journal09:36:031
3287609994037,2cyclictest3410484-21kworker/u8:4+events_unbound10:07:340
3287609994036,3cyclictest3322957-21kworker/u8:5+events_unbound08:46:350
3287620993936,2cyclictest3282660-1kworker/3:1H+kblockd12:05:103
3287620993934,4cyclictest3292688-21kworker/3:3+pm07:32:193
3287620993923,15cyclictest3497391-21kworker/u8:1+flush-179:010:45:193
3287618993936,2cyclictest3518709-1kworker/2:2H+kblockd10:57:152
3287618993917,3cyclictest3303212-21kworker/u8:4+events_unbound08:30:322
3287614993936,3cyclictest3488967-21kworker/u8:0+events_unbound11:21:301
3287614993935,3cyclictest3322957-21kworker/u8:5+events_unbound07:52:281
3287614993934,4cyclictest3410484-21kworker/u8:4+flush-179:010:00:241
3287614993934,4cyclictest3319647-21/usr/share/muni07:40:031
3287609993937,2cyclictest3461707-21kworker/u8:2+events_unbound10:36:320
3287609993937,1cyclictest2762240-1kworker/0:1H+kblockd12:30:330
3287609993937,1cyclictest1276-21snmpd08:16:130
3287609993937,1cyclictest1276-21snmpd07:38:120
3287609993936,3cyclictest3558280-21kworker/u8:4+events_unbound11:44:020
3287609993936,3cyclictest3558280-21kworker/u8:4+events_unbound11:44:020
3287609993936,3cyclictest3558280-21kworker/u8:4+events_unbound11:44:020
3287609993936,2cyclictest3482061-21kworker/0:1+pm10:23:330
3287609993936,2cyclictest2762240-1kworker/0:1H+kblockd12:10:050
3287609993934,3cyclictest3538499-21munin-update11:15:170
3287609993925,13cyclictest2762240-1kworker/0:1H+kblockd12:18:090
3287620993835,2cyclictest3589904-21kworker/3:0+pm12:18:473
3287620993835,2cyclictest3282660-1kworker/3:1H+kblockd08:59:273
3287620993834,3cyclictest3410484-21kworker/u8:4+events_unbound09:55:003
3287620993834,3cyclictest3282660-1kworker/3:1H+kblockd10:31:233
3287620993834,2cyclictest3282660-1kworker/3:1H+kblockd11:19:433
3287620993833,4cyclictest3282660-1kworker/3:1H+kblockd10:08:013
3287620993832,4cyclictest3365248-21latency_hist08:25:013
3287620993828,8cyclictest3606030-21ThreadPoolForeg11:40:143
3287620993828,8cyclictest3606030-21ThreadPoolForeg11:40:143
3287620993828,8cyclictest3606030-21ThreadPoolForeg11:40:143
3287620993824,2cyclictest1276-21snmpd11:50:083
3287618993835,2cyclictest3385274-21kworker/2:2+pm08:47:282
3287618993835,2cyclictest3334432-21kworker/2:1+pm08:11:272
3287614993836,2cyclictest3322957-21kworker/u8:5+events_unbound07:48:401
3287614993834,3cyclictest3548229-21kworker/u8:1+events_unbound11:29:111
3287614993829,8cyclictest3303223-21kworker/u8:5+flush-179:007:25:281
3287609993836,2cyclictest3420408-21kworker/u8:2+events_unbound09:29:180
3287609993836,1cyclictest2762240-1kworker/0:1H+kblockd08:10:160
3287609993835,2cyclictest3488967-21kworker/u8:0+events_unbound11:02:140
3287609993835,2cyclictest3303212-21kworker/u8:4+events_unbound08:08:220
3287620993734,2cyclictest3487053-21kworker/3:1+pm11:12:523
3287620993734,2cyclictest3373533-21kworker/3:1+pm08:32:583
3287620993734,2cyclictest3282660-1kworker/3:1H+kblockd11:34:163
3287620993734,2cyclictest3282660-1kworker/3:1H+kblockd09:22:433
3287620993734,2cyclictest3282660-1kworker/3:1H+kblockd08:09:253
3287620993734,2cyclictest3282660-1kworker/3:1H+kblockd07:59:533
3287620993733,3cyclictest3282660-1kworker/3:1H+kblockd12:14:283
3287620993733,3cyclictest3282660-1kworker/3:1H+kblockd11:21:523
328762099370,36cyclictest3606026-21chrome10:23:533
3287614993735,1cyclictest3496955-1kworker/1:0H+kblockd12:36:051
3287614993734,2cyclictest3496955-1kworker/1:0H+kblockd12:05:141
3287614993734,2cyclictest2821556-1kworker/1:1H+kblockd09:59:331
3287614993734,2cyclictest2821556-1kworker/1:1H+kblockd09:59:331
3287609993735,2cyclictest3430743-21kworker/u8:3+events_unbound09:33:340
3287609993735,2cyclictest3420408-21kworker/u8:2+events_unbound09:18:030
3287609993735,2cyclictest3298000-21kworker/u8:1+events_unbound07:16:290
3287609993734,2cyclictest3518035-21kworker/u8:3+events_unbound11:22:120
3287609993734,2cyclictest3482061-21kworker/0:1+pm10:33:180
3287609993734,2cyclictest2762240-1kworker/0:1H+kblockd11:58:450
3287609993734,2cyclictest2762240-1kworker/0:1H+kblockd09:45:170
3287609993734,2cyclictest2762240-1kworker/0:1H+kblockd09:45:170
3287609993734,2cyclictest2762240-1kworker/0:1H+kblockd08:26:000
3287609993733,3cyclictest3574571-21/usr/share/muni11:50:060
3287609993733,3cyclictest3533039-21kworker/u8:1+flush-179:011:10:080
3287609993733,3cyclictest3322957-21kworker/u8:5+events_unbound07:44:300
3287609993732,2cyclictest3277175-21kworker/u8:3+events_unbound07:54:410
3287620993633,2cyclictest3282660-1kworker/3:1H+kblockd09:01:273
3287620993633,2cyclictest3282660-1kworker/3:1H+kblockd07:54:533
3287620993633,2cyclictest3282660-1kworker/3:1H+kblockd07:46:123
3287620993632,2cyclictest3282660-1kworker/3:1H+kblockd08:49:533
3287620993631,3cyclictest3606033-13Compositor10:29:223
3287620993631,3cyclictest3282660-1kworker/3:1H+kblockd12:21:013
3287620993631,3cyclictest3282660-1kworker/3:1H+kblockd10:40:053
3287620993630,4cyclictest3584522-21apt-get12:00:003
3287620993629,5cyclictest3390952-21/usr/share/muni08:50:093
3287618993633,2cyclictest3322957-21kworker/u8:5+events_unbound09:05:012
3287614993634,2cyclictest3461707-21kworker/u8:2+events_unbound10:08:321
3287614993634,1cyclictest3496955-1kworker/1:0H+kblockd12:16:031
3287614993634,1cyclictest3496955-1kworker/1:0H+kblockd10:46:091
3287614993634,1cyclictest3420686-21kworker/1:2+pm09:22:321
3287614993634,1cyclictest2821556-1kworker/1:1H+kblockd07:34:091
3287614993633,3cyclictest3497391-21kworker/u8:1+events_unbound10:44:521
3287614993633,2cyclictest3496955-1kworker/1:0H+kblockd12:24:291
3287614993633,2cyclictest2821556-1kworker/1:1H+kblockd09:40:181
3287614993633,2cyclictest2821556-1kworker/1:1H+kblockd07:17:011
3287614993632,3cyclictest3335049-21systemd-journal07:35:011
3287609993634,1cyclictest2762240-1kworker/0:1H+kblockd10:53:590
3287609993634,1cyclictest2762240-1kworker/0:1H+kblockd09:59:250
3287609993634,1cyclictest2762240-1kworker/0:1H+kblockd09:59:250
3287609993633,2cyclictest2762240-1kworker/0:1H+kblockd10:40:350
3287609993630,5cyclictest3380651-21/usr/share/muni08:40:080
3287620993532,2cyclictest3282660-1kworker/3:1H+kblockd10:52:273
3287620993532,2cyclictest3282660-1kworker/3:1H+kblockd09:37:183
3287620993532,2cyclictest3282660-1kworker/3:1H+kblockd07:15:313
3287620993531,3cyclictest3282660-1kworker/3:1H+kblockd08:04:113
3287620993529,4cyclictest3303838-21/usr/share/muni07:25:023
3287614993533,1cyclictest3496955-1kworker/1:0H+kblockd11:51:311
3287614993532,2cyclictest3518027-21kworker/u8:2+events_unbound11:11:561
3287614993532,2cyclictest3496955-1kworker/1:0H+kblockd11:07:531
3287614993531,3cyclictest3558280-21kworker/u8:4+flush-179:011:47:091
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3287609993532,2cyclictest2762240-1kworker/0:1H+kblockd11:25:070
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3287609993518,16cyclictest3451149-20Chrome_ChildIOT12:03:070
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3287620993431,2cyclictest3282660-1kworker/3:1H+kblockd10:01:303
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3287620993428,4cyclictest3477463-21/usr/share/muni10:15:093
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3287614993422,11cyclictest3488967-21kworker/u8:0+flush-179:010:53:501
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3287609993430,3cyclictest3374822-31munin-graph08:31:360
3287620993330,2cyclictest3606033-13Compositor09:26:573
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3287614993331,2cyclictest3303212-21kworker/u8:4+events_unbound08:15:091
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3287614993330,2cyclictest2821556-1kworker/1:1H+kblockd09:31:081
3287614993329,3cyclictest3308273-21kworker/u8:0+flush-179:008:11:491
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3287609993330,2cyclictest1276-21snmpd11:36:490
3287620993227,3cyclictest1276-21snmpd09:45:223
3287620993227,3cyclictest1276-21snmpd09:45:223
3287614993229,2cyclictest2821556-1kworker/1:1H+kblockd10:26:451
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3287620993027,2cyclictest0-21swapper/308:27:203
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