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2025-09-03 - 18:31
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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 376 highest latencies:
System rackbslot1.osadl.org (updated Wed Sep 03, 2025 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33289462214185,19sleep20-21swapper/207:09:042
33290182208179,19sleep00-21swapper/007:09:570
33289672207177,20sleep10-21swapper/107:09:191
33286672206183,13sleep30-21swapper/307:06:163
3329256996966,2cyclictest3624611-21kworker/u8:3+events_unbound11:55:103
3329256996864,2cyclictest105474-21isc-net-000411:45:023
332924599681,2cyclictest3490599-21snmp_ryswitch2.09:45:010
332924599681,2cyclictest3490599-21snmp_ryswitch2.09:45:010
332925699669,56cyclictest3609148-21kworker/u8:2+efi_rts_wq12:34:583
3329256996514,2cyclictest3552034-21ChromeDriver00:55:193
3329256995548,2cyclictest3417802-21kworker/u8:1+events_unbound09:30:313
3329256995249,2cyclictest3541345-21kworker/u8:1+events_unbound11:00:343
3329256995247,3cyclictest3356306-21/usr/share/muni07:35:093
3329252995236,14cyclictest3427945-21kworker/2:0+pm09:07:502
3329249995248,3cyclictest3490541-21CacheThread_Blo09:45:011
3329249995248,3cyclictest3490541-21CacheThread_Blo09:45:011
3329256995147,3cyclictest3541345-21kworker/u8:1+events_unbound10:45:003
3329249995134,9cyclictest3403025-21/usr/share/muni08:20:051
3329245995145,5cyclictest40657-21ThreadPoolForeg11:17:010
3329256995047,2cyclictest3624611-21kworker/u8:3+events_unbound12:00:303
3329256995046,3cyclictest3541345-21kworker/u8:1+events_unbound10:35:093
3329252995047,2cyclictest3541623-21kworker/2:3+pm10:50:522
3329252994936,2cyclictest3541623-21kworker/2:3+pm10:40:072
3329249994940,8cyclictest40654-21chrome07:35:041
3329245994943,4cyclictest3546769-21/usr/share/muni10:40:010
34445142480,1sleep240554-21ChromeDriver00:55:192
34445142480,1sleep240554-21ChromeDriver00:55:192
3329256994845,2cyclictest3323555-21kworker/u8:2+flush-179:007:30:343
3329252994845,2cyclictest3602005-21kworker/2:1+pm11:44:312
3329256994734,12cyclictest2900534-1kworker/3:2H+kblockd07:41:313
3329252994743,3cyclictest3552129-21chrome10:45:022
3329252994743,3cyclictest3474598-21kworker/u8:2+flush-179:009:40:212
332924999473,43cyclictest3609148-21kworker/u8:2+efi_rts_wq12:34:581
3329252994642,3cyclictest3281986-21kworker/2:0+pm07:16:412
34027672450,1chrt3402766-21systemctl08:20:000
3329256994543,2cyclictest3366227-21kworker/u8:1+events_unbound08:05:103
3329256994542,2cyclictest3505498-21kworker/u8:0+flush-179:010:00:283
3329256994542,2cyclictest3328602-21kworker/u8:3+events_unbound07:10:143
3329256994542,2cyclictest3328602-21kworker/u8:3+events_unbound07:10:143
3329256994542,2cyclictest3302058-21kworker/u8:4+events_unbound07:25:263
3329256994542,1cyclictest3428548-13chrome08:45:023
3329249994541,3cyclictest3588230-21apt-get11:20:001
3329256994441,3cyclictest3371301-21kworker/u8:4+events_unbound07:55:103
3329256994439,4cyclictest40657-21ThreadPoolForeg10:50:163
3329256994340,2cyclictest3350717-21kworker/u8:0+flush-179:008:10:263
3329256994339,3cyclictest3520447-21kworker/u8:2+flush-179:010:20:233
3329252994331,1cyclictest3427945-21kworker/2:0+pm08:45:042
3329252994330,2cyclictest2228923-1kworker/2:1H+kblockd08:30:332
3329256994239,3cyclictest3407922-21kworker/u8:2+flush-179:008:35:103
3329256994239,2cyclictest3609148-21kworker/u8:2+events_unbound12:10:333
3329256994239,2cyclictest3546546-21kworker/u8:2+events_unbound11:15:193
3329252994236,4cyclictest3567324-21latency_hist11:00:012
3329252994230,11cyclictest3339506-21kworker/2:2+pm07:47:422
3329245994235,6cyclictest3362075-21kworker/0:0+pm08:59:210
3329245994230,1cyclictest1260-21snmpd07:48:000
3329256994139,1cyclictest2900534-1kworker/3:2H+kblockd07:48:133
3329256994138,3cyclictest3573435-21kworker/u8:0+events_unbound11:50:153
3329256994138,2cyclictest3587972-21kworker/u8:1+events_unbound11:25:123
3329256994137,3cyclictest3504988-21munin-limits09:55:323
3329256994137,3cyclictest3485704-21kworker/u8:0+events_unbound09:45:343
3329256994137,3cyclictest3485704-21kworker/u8:0+events_unbound09:45:343
3329256994037,2cyclictest3573435-21kworker/u8:0+events_unbound11:35:103
3329256994037,2cyclictest3520447-21kworker/u8:2+flush-179:010:15:253
3329256994033,6cyclictest2900534-1kworker/3:2H+kblockd09:19:003
3329256994028,11cyclictest3350717-21kworker/u8:0+events_unbound08:21:063
3329252994038,1cyclictest3602005-21kworker/2:1+pm12:06:062
3329252994038,1cyclictest3375787-21kworker/2:0+pm08:24:322
3329252994038,1cyclictest3281986-21kworker/2:0+pm07:14:072
3329252994038,1cyclictest3281986-21kworker/2:0+pm07:14:072
3329252994037,2cyclictest3660632-21kworker/2:0+pm12:37:512
3329252994037,1cyclictest3427945-21kworker/2:0+pm09:39:172
3329252994036,3cyclictest3594385-21kworker/2:0+pm11:25:212
3329252994036,3cyclictest3491296-21kworker/2:1+pm10:11:312
3329252994036,3cyclictest3491296-21kworker/2:1+pm10:11:312
3329252994036,3cyclictest3438369-21kworker/u8:3+flush-179:009:15:012
3329252994036,2cyclictest3375787-21kworker/2:0+pm08:05:372
3329249994037,2cyclictest3505833-21kworker/1:0+pm10:32:561
3329249994037,2cyclictest3505833-21kworker/1:0+pm10:32:561
3329249994037,2cyclictest3328900-21kworker/1:2+pm08:37:301
3329245994035,4cyclictest3620357-21python311:50:040
3329256993937,2cyclictest3520447-21kworker/u8:2+events_unbound10:14:393
3329256993937,2cyclictest3520447-21kworker/u8:2+events_unbound10:14:393
3329256993936,2cyclictest3587972-21kworker/u8:1+events_unbound11:20:153
3329256993936,2cyclictest3511468-21kworker/u8:3+flush-179:010:30:073
3329256993936,2cyclictest3511468-21kworker/u8:3+flush-179:010:30:073
3329256993936,2cyclictest3505498-21kworker/u8:0+events_unbound10:05:263
3329256993935,3cyclictest3371301-21kworker/u8:4+events_unbound07:50:233
3329252993937,1cyclictest3491296-21kworker/2:1+pm10:25:192
3329252993937,1cyclictest3427945-21kworker/2:0+pm09:31:062
3329252993937,1cyclictest3402802-21kworker/2:1+pm08:25:272
3329252993937,1cyclictest3339506-21kworker/2:2+pm07:41:012
3329252993937,1cyclictest3339506-21kworker/2:2+pm07:37:462
3329252993936,2cyclictest3602005-21kworker/2:1+pm12:27:092
3329252993936,2cyclictest3602005-21kworker/2:1+pm12:00:162
3329252993936,2cyclictest3602005-21kworker/2:1+pm11:56:112
3329252993936,2cyclictest3602005-21kworker/2:1+pm11:35:352
3329252993936,2cyclictest3541623-21kworker/2:3+pm11:24:432
3329252993936,2cyclictest3541623-21kworker/2:3+pm11:10:052
3329252993936,2cyclictest3541623-21kworker/2:3+pm11:00:352
3329252993936,2cyclictest3409616-21kworker/2:2+pm08:38:002
3329252993936,2cyclictest3375787-21kworker/2:0+pm08:02:052
3329252993936,2cyclictest3339506-21kworker/2:2+pm07:25:022
3329252993936,2cyclictest3339506-21kworker/2:2+pm07:23:372
3329252993935,3cyclictest3427945-21kworker/2:0+pm08:54:412
3329252993935,3cyclictest3427945-21kworker/2:0+pm08:54:412
3329252993934,3cyclictest3459786-21/usr/share/muni09:15:152
3329252993912,25cyclictest3541225-31munin-graph10:31:352
3329252993912,25cyclictest3541225-31munin-graph10:31:352
3329249993937,1cyclictest3328900-21kworker/1:2+pm07:28:471
3329245993933,5cyclictest40657-21ThreadPoolForeg11:25:310
332924599391,37cyclictest3609148-21kworker/u8:2+efi_rts_wq12:35:000
3329256993836,1cyclictest3397650-21kworker/3:2+pm11:42:463
3329256993835,2cyclictest3609148-21kworker/u8:2+events_unbound12:15:093
3329256993835,2cyclictest3397650-21kworker/3:2+pm09:25:113
3329256993835,2cyclictest3328602-21kworker/u8:3+flush-179:007:15:263
3329256993834,3cyclictest2900534-1kworker/3:2H+kblockd08:41:083
3329252993836,1cyclictest3602005-21kworker/2:1+pm12:16:562
3329252993836,1cyclictest3602005-21kworker/2:1+pm12:11:082
3329252993836,1cyclictest3541623-21kworker/2:3+pm11:15:342
3329252993836,1cyclictest3491296-21kworker/2:1+pm10:20:162
3329252993836,1cyclictest3491296-21kworker/2:1+pm10:15:192
3329252993836,1cyclictest3375787-21kworker/2:0+pm08:17:252
3329252993836,1cyclictest3339506-21kworker/2:2+pm07:53:472
3329252993835,2cyclictest3541623-21kworker/2:3+pm10:39:312
3329252993835,2cyclictest3427945-21kworker/2:0+pm09:26:332
3329252993835,2cyclictest3375787-21kworker/2:0+pm08:10:232
3329252993835,1cyclictest3375787-21kworker/2:0+pm07:57:122
3329252993834,2cyclictest2228923-1kworker/2:1H+kblockd09:20:042
3329249993835,2cyclictest3215775-1kworker/1:2H+kblockd11:38:551
3329249993827,2cyclictest3215775-1kworker/1:2H+kblockd11:10:051
3329245993836,1cyclictest3593262-21kworker/0:1+pm11:22:310
3329245993836,1cyclictest3556877-21kworker/0:2+pm10:54:050
3329245993836,1cyclictest3362075-21kworker/0:0+pm08:47:060
3329245993836,1cyclictest3263924-1kworker/0:0H+kblockd08:50:210
3329245993836,1cyclictest3263924-1kworker/0:0H+kblockd08:50:210
3329245993833,4cyclictest3645703-21/usr/share/muni12:15:150
3329245993832,4cyclictest3551130-31munin-html10:40:380
3329256993735,2cyclictest3609148-21kworker/u8:2+events_unbound12:25:203
3329256993735,1cyclictest3397650-21kworker/3:2+pm09:11:553
3329256993734,2cyclictest2900534-1kworker/3:2H+kblockd11:10:453
3329256993732,4cyclictest3650909-21/usr/share/muni12:20:023
3329252993735,1cyclictest3427945-21kworker/2:0+pm09:48:482
3329252993735,1cyclictest3427945-21kworker/2:0+pm09:48:482
3329252993735,1cyclictest3409616-21kworker/2:2+pm08:43:582
3329252993734,2cyclictest3602005-21kworker/2:1+pm11:48:562
3329252993734,2cyclictest3541623-21kworker/2:3+pm11:06:082
3329252993734,2cyclictest3491296-21kworker/2:1+pm10:06:462
3329252993734,2cyclictest3491296-21kworker/2:1+pm09:55:172
3329252993734,2cyclictest3427945-21kworker/2:0+pm08:57:342
3329249993735,1cyclictest40654-21chrome09:05:211
3329249993734,2cyclictest3215775-1kworker/1:2H+kblockd10:58:171
3329249993734,2cyclictest3215775-1kworker/1:2H+kblockd10:36:161
3329249993734,2cyclictest3215775-1kworker/1:2H+kblockd08:30:161
3329249993734,2cyclictest3215775-1kworker/1:2H+kblockd07:30:051
3329249993728,7cyclictest40551-21chromedriver08:55:221
3329245993735,1cyclictest3526163-21kworker/0:0+pm10:28:100
3329245993734,2cyclictest3263924-1kworker/0:0H+kblockd08:30:170
3329245993734,2cyclictest3263924-1kworker/0:0H+kblockd07:27:260
3329245993733,3cyclictest3412569-31munin-html08:25:400
3329256993634,1cyclictest3397650-21kworker/3:2+pm10:29:203
3329256993634,1cyclictest3397650-21kworker/3:2+pm09:37:413
3329256993634,1cyclictest2900534-1kworker/3:2H+kblockd09:05:013
3329256993633,2cyclictest3328602-21kworker/u8:3+flush-179:007:20:173
3329256993633,2cyclictest2900534-1kworker/3:2H+kblockd08:34:003
3329256993632,3cyclictest3609148-21kworker/u8:2+flush-179:012:35:063
3329256993632,3cyclictest3417802-21kworker/u8:1+flush-179:009:20:103
3329256993632,3cyclictest2900534-1kworker/3:2H+kblockd08:58:403
3329256993632,2cyclictest3546546-21kworker/u8:2+events_unbound11:10:003
3329252993634,1cyclictest3339506-21kworker/2:2+pm07:30:222
3329252993634,1cyclictest2228923-1kworker/2:1H+kblockd11:31:392
3329252993633,2cyclictest2228923-1kworker/2:1H+kblockd12:33:592
3329249993634,1cyclictest3505833-21kworker/1:0+pm11:07:511
3329249993634,1cyclictest3215775-1kworker/1:2H+kblockd09:54:251
3329249993634,1cyclictest3215775-1kworker/1:2H+kblockd07:20:291
3329249993633,2cyclictest3215775-1kworker/1:2H+kblockd12:25:311
3329249993633,2cyclictest3215775-1kworker/1:2H+kblockd10:44:371
3329249993633,2cyclictest3215775-1kworker/1:2H+kblockd10:20:021
3329249993633,2cyclictest3215775-1kworker/1:2H+kblockd10:10:021
3329249993633,2cyclictest3215775-1kworker/1:2H+kblockd10:10:021
3329249993633,2cyclictest3215775-1kworker/1:2H+kblockd10:01:471
3329249993633,2cyclictest3215775-1kworker/1:2H+kblockd09:15:171
3329249993632,3cyclictest3215775-1kworker/1:2H+kblockd08:45:171
3329245993634,1cyclictest3444618-21kworker/0:1+pm09:23:360
3329245993634,1cyclictest3263924-1kworker/0:0H+kblockd12:24:590
3329245993634,1cyclictest3263924-1kworker/0:0H+kblockd11:49:350
3329245993634,1cyclictest3263924-1kworker/0:0H+kblockd08:11:040
3329245993634,1cyclictest3263631-21kworker/0:0+pm07:14:460
3329245993634,1cyclictest3263631-21kworker/0:0+pm07:14:460
3329245993633,2cyclictest3263924-1kworker/0:0H+kblockd12:00:140
3329245993633,2cyclictest3263924-1kworker/0:0H+kblockd10:31:160
3329245993633,2cyclictest3263924-1kworker/0:0H+kblockd10:31:160
3329245993633,2cyclictest3263924-1kworker/0:0H+kblockd10:15:350
3329245993633,2cyclictest3263924-1kworker/0:0H+kblockd09:15:010
3329245993633,2cyclictest3263924-1kworker/0:0H+kblockd08:00:060
3329245993633,2cyclictest3263924-1kworker/0:0H+kblockd07:40:530
3329245993632,3cyclictest3424752-21apt-get08:40:160
3329245993632,2cyclictest3263924-1kworker/0:0H+kblockd07:30:150
3329256993534,1cyclictest2900534-1kworker/3:2H+kblockd11:31:593
3329256993533,1cyclictest2900534-1kworker/3:2H+kblockd12:10:003
3329256993533,1cyclictest2900534-1kworker/3:2H+kblockd09:52:013
3329256993532,2cyclictest2900534-1kworker/3:2H+kblockd08:51:003
3329256993532,2cyclictest2900534-1kworker/3:2H+kblockd08:50:593
3329256993531,3cyclictest3427895-21kworker/u8:0+flush-179:009:00:183
3329256993531,3cyclictest3427895-21kworker/u8:0+flush-179:009:00:173
3329252993533,1cyclictest3491296-21kworker/2:1+pm10:01:592
3329252993533,1cyclictest2228923-1kworker/2:1H+kblockd11:53:362
3329252993532,2cyclictest3602005-21kworker/2:1+pm12:20:042
3329249993534,1cyclictest3505833-21kworker/1:0+pm11:32:301
3329249993533,1cyclictest3505833-21kworker/1:0+pm12:17:211
3329249993533,1cyclictest3328900-21kworker/1:2+pm09:33:061
3329249993533,1cyclictest3215775-1kworker/1:2H+kblockd09:10:051
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3329249993432,1cyclictest3505833-21kworker/1:0+pm11:24:211
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3329249993432,1cyclictest3215775-1kworker/1:2H+kblockd07:58:171
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3329249993432,1cyclictest3215775-1kworker/1:2H+kblockd07:12:481
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3329249993431,2cyclictest3215775-1kworker/1:2H+kblockd12:00:211
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3329245993432,1cyclictest3556877-21kworker/0:2+pm11:03:550
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3329245993432,1cyclictest3263924-1kworker/0:0H+kblockd08:08:310
3329245993431,2cyclictest3263924-1kworker/0:0H+kblockd10:48:350
3329245993431,2cyclictest3263924-1kworker/0:0H+kblockd07:38:560
3329256993330,2cyclictest3366227-21kworker/u8:1+events_unbound08:00:143
3329249993330,2cyclictest3215775-1kworker/1:2H+kblockd12:21:131
3329249993330,2cyclictest3215775-1kworker/1:2H+kblockd07:15:251
3329245993332,1cyclictest3263924-1kworker/0:0H+kblockd11:36:380
3329245993331,1cyclictest3263924-1kworker/0:0H+kblockd11:14:320
3329245993331,1cyclictest3263924-1kworker/0:0H+kblockd09:01:530
3329245993331,1cyclictest3263924-1kworker/0:0H+kblockd09:01:530
3329245993330,2cyclictest3263924-1kworker/0:0H+kblockd09:37:060
3329245993330,2cyclictest3263924-1kworker/0:0H+kblockd07:58:310
3329245993330,2cyclictest3263924-1kworker/0:0H+kblockd07:54:360
3329256993230,1cyclictest1260-21snmpd08:27:053
3329256993229,2cyclictest1260-21snmpd08:16:143
3329249993230,1cyclictest107350-21ntpd11:44:441
3329249993230,1cyclictest105470-21isc-net-000008:50:191
3329249993230,1cyclictest105470-21isc-net-000008:50:191
3329249993229,2cyclictest3215775-1kworker/1:2H+kblockd11:46:111
3329249993229,2cyclictest3215775-1kworker/1:2H+kblockd09:00:231
3329249993229,2cyclictest3215775-1kworker/1:2H+kblockd09:00:231
3329245993230,1cyclictest3263924-1kworker/0:0H+kblockd09:50:150
3329245993230,1cyclictest1260-21snmpd12:07:540
3329245993229,2cyclictest3263924-1kworker/0:0H+kblockd10:10:050
3329245993229,2cyclictest3263924-1kworker/0:0H+kblockd10:10:050
3329245993229,2cyclictest3263924-1kworker/0:0H+kblockd08:20:300
3329245993229,2cyclictest1260-21snmpd10:24:120
3329256993129,1cyclictest1260-21snmpd10:55:403
3329249993129,1cyclictest3215775-1kworker/1:2H+kblockd11:53:161
3329249993129,1cyclictest3215775-1kworker/1:2H+kblockd09:40:371
3329249993129,1cyclictest1260-21snmpd12:36:011
3329249993129,1cyclictest1260-21snmpd10:46:151
3329249993129,1cyclictest1260-21snmpd09:56:051
3329249993128,2cyclictest1260-21snmpd12:10:331
332924999312,19cyclictest40657-21ThreadPoolForeg09:35:061
3329245993130,1cyclictest3556877-21kworker/0:2+pm10:59:100
3329245993129,1cyclictest1260-21snmpd07:15:500
3329249993028,1cyclictest3215775-1kworker/1:2H+kblockd09:23:171
3329249993028,1cyclictest1260-21snmpd08:10:521
3329245993028,1cyclictest1260-21snmpd10:06:500
3329245993028,1cyclictest105470-21isc-net-000009:06:190
3329249992927,1cyclictest1260-21snmpd11:55:111
3329245992927,1cyclictest1260-21snmpd12:35:250
3329249992827,1cyclictest3215775-1kworker/1:2H+kblockd11:29:411
3329249992826,1cyclictest1260-21snmpd07:41:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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