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2025-12-09 - 00:41
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot2.osadl.org (updated Mon Dec 08, 2025 12:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36464342230177,19sleep00-21swapper/007:09:460
36462592230199,20sleep10-21swapper/107:07:301
36460632222193,20sleep30-21swapper/307:05:363
36464002220189,20sleep20-21swapper/207:09:202
3646627996256,3cyclictest3886038-21munin-node11:45:021
3646627995953,4cyclictest3885706-21latency_hist11:45:011
3646622995852,2cyclictest3707503-21kworker/u8:2+flush-179:008:30:140
3646622995751,4cyclictest3932861-21latency_hist12:40:010
3646622995747,8cyclictest3720677-21kworker/u8:4+events_unbound09:00:050
3646622995344,8cyclictest3595740-21kworker/u8:1+events_unbound08:00:230
3646622995147,3cyclictest3685763-21kworker/u8:4+events_unbound07:55:140
3646622994941,7cyclictest3780626-21kworker/u8:0+events_unbound10:15:250
3646635994742,4cyclictest47022-21systemd-journal08:10:023
3646635994742,4cyclictest47022-21systemd-journal08:10:013
364663099460,2cyclictest3668132-31munin-graph07:31:592
3646622994643,2cyclictest3656494-21kworker/u8:0+flush-179:007:20:120
3646635994540,4cyclictest3716547-21munin-update08:30:033
3646635994532,2cyclictest3833504-21kworker/u8:1+flush-179:011:15:103
3646630994532,2cyclictest2880511-1kworker/2:1H+kblockd07:40:252
3646630994438,4cyclictest3903215-21/usr/share/muni12:05:052
3646622994440,3cyclictest3707503-21kworker/u8:2+flush-179:008:40:150
3646630994336,6cyclictest3876536-21kworker/2:2+pm11:50:002
3646635994238,2cyclictest3833842-21snmp_ryswitch2.10:45:023
3646635994237,4cyclictest3881608-21/usr/share/muni11:40:153
3646630994238,3cyclictest3748763-21apt-get09:05:132
3646622994238,3cyclictest3780626-21kworker/u8:0+flush-179:009:50:050
3646622994234,7cyclictest3595740-21kworker/u8:1+events_unbound07:35:140
3646635994136,3cyclictest3781087-21/usr/share/muni09:45:013
3646630994138,2cyclictest3785244-21kworker/2:1+pm10:10:112
3646630994135,5cyclictest1318-21snmpd11:16:162
3646630994134,5cyclictest2880511-1kworker/2:1H+kblockd09:15:112
3646622994136,4cyclictest3745019-21kworker/u8:1+flush-179:009:05:160
3646635994037,2cyclictest3780626-21kworker/u8:0+flush-179:010:00:263
3646635994036,3cyclictest3720677-21kworker/u8:4+flush-179:009:00:123
3646630994038,1cyclictest3890215-21kworker/2:1+pm11:51:402
3646630994037,2cyclictest3591575-21kworker/2:0+pm08:41:262
3646630994037,2cyclictest3591575-21kworker/2:0+pm07:45:162
3646630994032,6cyclictest3669050-21/usr/share/muni07:35:012
3646630994031,8cyclictest2880511-1kworker/2:1H+kblockd11:35:082
364663099400,2cyclictest3694392-31munin-graph08:01:522
3646622994036,3cyclictest3707503-21kworker/u8:2+flush-179:008:50:050
3646622994036,3cyclictest3595740-21kworker/u8:1+flush-179:007:50:150
3646622994032,7cyclictest3739815-21kworker/u8:0+events_unbound09:15:140
3646622994032,7cyclictest3595740-21kworker/u8:1+events_unbound07:45:230
38727472390,2sleep03872738-21/usr/share/muni11:30:010
3646635993936,2cyclictest3780626-21kworker/u8:0+flush-179:010:15:283
3646630993937,1cyclictest3890215-21kworker/2:1+pm12:16:142
3646630993937,1cyclictest3810960-21kworker/2:2+pm10:26:452
3646630993937,1cyclictest3785244-21kworker/2:1+pm09:55:102
3646630993936,2cyclictest3810960-21kworker/2:2+pm10:51:282
3646630993936,2cyclictest3591575-21kworker/2:0+pm09:40:092
3646630993936,2cyclictest3591575-21kworker/2:0+pm08:45:312
3646630993935,3cyclictest3917272-21apt-get12:20:102
3646630993935,3cyclictest3806656-21kworker/2:0+pm10:15:522
3646630993935,3cyclictest3591575-21kworker/2:0+pm08:20:032
3646627993935,3cyclictest3645250-21kworker/u8:3+flush-179:007:15:121
3646622993935,3cyclictest3664999-21cat07:30:050
3646622993934,3cyclictest3846397-21kworker/u8:3+events_unbound12:00:030
3646622993934,2cyclictest3846397-21kworker/u8:3+flush-179:011:40:130
3646622993932,6cyclictest3672926-21kworker/u8:2+events_unbound08:05:140
3646622993931,6cyclictest3924581-21/usr/share/muni12:30:020
3646635993835,2cyclictest3672926-21kworker/u8:2+flush-179:007:40:153
3646635993834,2cyclictest3646188-1kworker/3:0H+kblockd09:05:033
3646635993831,2cyclictest3707503-21kworker/u8:2+events_unbound08:50:083
3646635993826,11cyclictest3646188-1kworker/3:0H+kblockd09:36:143
3646630993836,1cyclictest3890215-21kworker/2:1+pm12:12:262
3646630993836,1cyclictest3810960-21kworker/2:2+pm10:56:452
3646630993836,1cyclictest3785244-21kworker/2:1+pm10:01:412
3646630993836,1cyclictest3591575-21kworker/2:0+pm09:36:442
3646630993836,1cyclictest3591575-21kworker/2:0+pm08:10:172
3646630993836,1cyclictest3591575-21kworker/2:0+pm08:10:172
3646630993836,1cyclictest3591575-21kworker/2:0+pm07:25:192
3646630993836,1cyclictest3591575-21kworker/2:0+pm07:25:182
3646630993836,1cyclictest3591575-21kworker/2:0+pm07:10:032
3646630993835,2cyclictest3890215-21kworker/2:1+pm12:00:052
3646630993835,2cyclictest3591575-21kworker/2:0+pm08:06:072
3646630993835,2cyclictest2880511-1kworker/2:1H+kblockd11:41:492
3646630993835,1cyclictest3846523-21kworker/2:0+pm11:10:032
3646630993834,3cyclictest3846523-21kworker/2:0+pm11:30:392
3646630993834,2cyclictest3591575-21kworker/2:0+pm09:25:042
3646630993834,2cyclictest2880511-1kworker/2:1H+kblockd12:36:322
3646630993833,4cyclictest3591575-21kworker/2:0+pm07:51:472
3646630993831,6cyclictest2880511-1kworker/2:1H+kblockd09:45:182
364663099380,2cyclictest3867946-31munin-graph11:21:442
364663099380,2cyclictest3867946-31munin-graph11:21:442
3646622993837,1cyclictest3704893-21kworker/0:1+pm11:14:590
3646622993836,1cyclictest3704893-21kworker/0:1+pm11:45:540
3646622993834,3cyclictest3922070-21apt-get12:25:130
3646622993833,3cyclictest3767731-21kworker/u8:4+events_unbound09:40:090
3646635993734,2cyclictest3924374-21kworker/u8:0+events_unbound12:30:143
3646635993734,2cyclictest3646188-1kworker/3:0H+kblockd12:05:023
3646635993734,2cyclictest3646188-1kworker/3:0H+kblockd08:25:063
3646630993735,1cyclictest3890215-21kworker/2:1+pm12:31:112
3646630993735,1cyclictest3846523-21kworker/2:0+pm11:26:342
3646630993735,1cyclictest2880511-1kworker/2:1H+kblockd10:06:452
3646630993734,2cyclictest3591575-21kworker/2:0+pm07:15:032
3646630993733,2cyclictest2880511-1kworker/2:1H+kblockd11:01:142
3646630993731,5cyclictest2880511-1kworker/2:1H+kblockd09:31:432
3646630993729,6cyclictest1318-21snmpd10:35:032
3646630993725,10cyclictest3833732-21/usr/share/muni10:45:022
3646627993733,3cyclictest3841801-21kworker/u8:2+events_unbound11:35:121
3646627993733,2cyclictest3616520-1kworker/1:1H+kblockd10:45:131
3646627993724,3cyclictest3677812-21ThreadPoolForeg07:45:021
364662799370,37cyclictest0-21swapper/108:15:191
3646622993735,1cyclictest3659689-21kworker/0:2+pm07:25:360
3646622993735,1cyclictest3659689-21kworker/0:2+pm07:25:360
3646622993734,2cyclictest3833504-21kworker/u8:1+flush-179:011:15:230
3646622993734,2cyclictest3175595-1kworker/0:1H+kblockd10:41:140
3646622993732,4cyclictest3911179-31munin-graph12:11:230
3646622993727,3cyclictest3780626-21kworker/u8:0+events_unbound10:10:000
3646635993634,1cyclictest3803134-21kworker/3:0+pm10:36:023
3646635993634,1cyclictest3659615-21kworker/3:1+pm07:55:363
3646635993633,2cyclictest3829107-21kworker/u8:3+flush-179:010:50:063
3646635993633,2cyclictest3646188-1kworker/3:0H+kblockd12:26:283
3646635993633,2cyclictest3646188-1kworker/3:0H+kblockd10:26:043
3646635993633,2cyclictest3646188-1kworker/3:0H+kblockd08:16:333
364663599360,13cyclictest0-21swapper/307:30:053
3646630993634,1cyclictest3890215-21kworker/2:1+pm12:26:282
3646630993634,1cyclictest3785244-21kworker/2:1+pm09:51:332
3646630993634,1cyclictest3591575-21kworker/2:0+pm08:20:002
3646630993634,1cyclictest1318-21snmpd10:20:542
3646630993633,2cyclictest2880511-1kworker/2:1H+kblockd08:51:242
3646630993632,2cyclictest2880511-1kworker/2:1H+kblockd09:10:032
3646630993629,6cyclictest3760726-21awk09:20:072
3646630993629,6cyclictest3760726-21awk09:20:062
364663099360,35cyclictest3659631-31munin-graph07:21:472
3646627993634,1cyclictest3616520-1kworker/1:1H+kblockd09:57:031
3646627993634,1cyclictest3616520-1kworker/1:1H+kblockd07:42:551
3646627993633,2cyclictest3616520-1kworker/1:1H+kblockd11:00:111
3646627993633,2cyclictest3616520-1kworker/1:1H+kblockd09:40:001
3646627993633,2cyclictest3616520-1kworker/1:1H+kblockd09:24:501
3646627993633,2cyclictest3616520-1kworker/1:1H+kblockd09:24:501
3646627993633,2cyclictest3616520-1kworker/1:1H+kblockd08:13:561
3646627993633,2cyclictest3616520-1kworker/1:1H+kblockd08:13:561
3646627993633,2cyclictest3616520-1kworker/1:1H+kblockd07:52:321
3646627993633,1cyclictest3616520-1kworker/1:1H+kblockd07:20:041
3646627993632,2cyclictest3616520-1kworker/1:1H+kblockd12:16:141
3646627993632,2cyclictest3616520-1kworker/1:1H+kblockd08:26:441
3646627993632,2cyclictest3616520-1kworker/1:1H+kblockd07:55:051
3646627993631,3cyclictest3616520-1kworker/1:1H+kblockd08:35:011
3646627993630,4cyclictest3854979-21latency_hist11:10:011
3646627993613,20cyclictest3751274-21snmp_areswitch.09:10:021
3646622993635,1cyclictest3704893-21kworker/0:1+pm08:55:530
3646622993633,2cyclictest3745019-21kworker/u8:1+flush-179:009:10:160
3646622993633,2cyclictest3694476-21kworker/u8:0+flush-179:008:15:060
3646622993629,6cyclictest3841801-21kworker/u8:2+events_unbound11:25:200
3646635993533,1cyclictest3646188-1kworker/3:0H+kblockd08:05:023
3646635993532,2cyclictest3833504-21kworker/u8:1+flush-179:011:00:113
3646635993532,2cyclictest3780626-21kworker/u8:0+flush-179:009:55:173
3646630993533,1cyclictest3591575-21kworker/2:0+pm07:56:022
3646630993529,5cyclictest3591575-21kworker/2:0+pm08:30:372
3646627993533,1cyclictest3616520-1kworker/1:1H+kblockd09:16:511
3646627993532,2cyclictest3906848-21kworker/u8:1+flush-179:012:24:591
3646627993532,2cyclictest3824929-21kworker/1:1+pm11:25:171
3646627993532,2cyclictest3616520-1kworker/1:1H+kblockd10:24:191
3646622993533,1cyclictest3175595-1kworker/0:1H+kblockd10:50:050
3646622993533,1cyclictest3175595-1kworker/0:1H+kblockd10:31:380
3646622993533,1cyclictest3175595-1kworker/0:1H+kblockd09:59:010
3646622993532,2cyclictest3707503-21kworker/u8:2+flush-179:008:20:080
3646622993532,2cyclictest3175595-1kworker/0:1H+kblockd11:52:190
3646622993532,2cyclictest3175595-1kworker/0:1H+kblockd10:10:320
3646622993531,3cyclictest3841801-21kworker/u8:2+events_unbound12:20:140
3646635993433,1cyclictest3646188-1kworker/3:0H+kblockd09:41:143
3646635993432,1cyclictest3646188-1kworker/3:0H+kblockd12:19:363
3646635993432,1cyclictest3646188-1kworker/3:0H+kblockd09:10:043
3646635993432,1cyclictest3646188-1kworker/3:0H+kblockd07:20:113
3646635993431,2cyclictest3906848-21kworker/u8:1+flush-179:012:10:113
3646635993430,3cyclictest3846397-21kworker/u8:3+flush-179:011:20:253
3646635993430,3cyclictest3846397-21kworker/u8:3+flush-179:011:20:253
3646635993430,3cyclictest3768206-21/usr/share/muni09:30:073
3646635993421,1cyclictest1318-21snmpd11:26:253
3646630993432,1cyclictest3810960-21kworker/2:2+pm10:41:402
3646630993432,1cyclictest3810960-21kworker/2:2+pm10:30:052
3646630993431,2cyclictest2880511-1kworker/2:1H+kblockd09:03:132
364663099341,31cyclictest3724713-31munin-html08:36:232
3646627993432,1cyclictest0-21swapper/111:10:111
3646627993431,2cyclictest3776997-21snmp_ryswitch2.09:40:021
3646627993431,2cyclictest3616520-1kworker/1:1H+kblockd12:32:121
3646627993431,2cyclictest3616520-1kworker/1:1H+kblockd09:29:451
3646627993430,2cyclictest3616520-1kworker/1:1H+kblockd09:30:041
3646622993432,1cyclictest3175595-1kworker/0:1H+kblockd10:21:430
3646622993432,1cyclictest1318-21snmpd08:11:120
3646622993432,1cyclictest1318-21snmpd08:11:120
3646622993430,3cyclictest3745019-21kworker/u8:1+flush-179:009:25:160
3646622993428,2cyclictest3739815-21kworker/u8:0+events_unbound09:30:230
3646635993332,0cyclictest1318-21snmpd09:15:563
3646635993331,1cyclictest3803134-21kworker/3:0+pm11:46:033
3646635993331,1cyclictest3646188-1kworker/3:0H+kblockd10:12:003
3646635993330,2cyclictest3646188-1kworker/3:0H+kblockd08:46:483
3646635993330,1cyclictest3646188-1kworker/3:0H+kblockd07:50:003
3646635993328,1cyclictest3846397-21kworker/u8:3+events_unbound12:00:123
3646630993331,1cyclictest3591575-21kworker/2:0+pm08:28:392
3646630993330,2cyclictest2880511-1kworker/2:1H+kblockd11:55:192
3646630993330,2cyclictest2880511-1kworker/2:1H+kblockd11:05:322
3646627993331,1cyclictest3637897-21kworker/1:2+pm07:35:101
3646627993331,1cyclictest3616520-1kworker/1:1H+kblockd10:01:551
3646627993331,1cyclictest3616520-1kworker/1:1H+kblockd07:32:151
3646627993330,2cyclictest3616520-1kworker/1:1H+kblockd12:03:551
3646627993330,2cyclictest3616520-1kworker/1:1H+kblockd11:20:051
3646627993330,2cyclictest3616520-1kworker/1:1H+kblockd11:20:051
3646627993330,2cyclictest3616520-1kworker/1:1H+kblockd10:56:131
3646627993330,2cyclictest3616520-1kworker/1:1H+kblockd09:05:531
3646627993311,20cyclictest3894878-21snmp_areswitch.11:55:021
3646622993331,1cyclictest3704893-21kworker/0:1+pm11:35:570
3646622993325,7cyclictest3772201-21kworker/u8:2+events_unbound09:45:250
3646635993232,0cyclictest1318-21snmpd07:50:553
3646635993231,1cyclictest3646188-1kworker/3:0H+kblockd10:05:053
3646635993230,1cyclictest3879836-21awk11:35:213
3646635993230,1cyclictest3727635-21awk08:40:143
3646635993230,1cyclictest3646188-1kworker/3:0H+kblockd11:51:473
3646635993230,1cyclictest3646188-1kworker/3:0H+kblockd08:39:413
3646635993230,1cyclictest1318-21snmpd11:09:083
3646635993229,2cyclictest3846397-21kworker/u8:3+events_unbound11:30:143
3646635993229,2cyclictest3760766-21awk09:20:073
3646635993229,2cyclictest3760766-21awk09:20:063
3646630993230,1cyclictest3591575-21kworker/2:0+pm08:59:502
3646627993230,1cyclictest3616520-1kworker/1:1H+kblockd10:40:081
3646627993230,1cyclictest3616520-1kworker/1:1H+kblockd08:02:021
3646627993230,1cyclictest1318-21snmpd12:09:401
3646627993230,1cyclictest1318-21snmpd08:41:001
3646627993230,1cyclictest1318-21snmpd08:33:001
3646627993230,1cyclictest1318-21snmpd07:26:161
3646627993230,1cyclictest1318-21snmpd07:26:161
3646627993227,4cyclictest3648600-21apt-get07:10:131
3646622993230,1cyclictest3175595-1kworker/0:1H+kblockd11:01:540
3646622993230,1cyclictest1318-21snmpd11:06:430
3646622993230,1cyclictest1318-21snmpd10:47:550
3646622993230,1cyclictest1318-21snmpd10:27:210
3646622993230,1cyclictest1318-21snmpd10:02:020
3646622993230,1cyclictest1318-21snmpd08:45:510
3646622993230,1cyclictest1318-21snmpd08:26:500
3646622993229,2cyclictest3672926-21kworker/u8:2+flush-179:007:40:100
3646622993228,3cyclictest3645250-21kworker/u8:3+flush-179:007:10:110
3646635993130,1cyclictest3646188-1kworker/3:0H+kblockd07:37:023
3646635993129,1cyclictest3803134-21kworker/3:0+pm10:30:283
3646635993129,1cyclictest1318-21snmpd12:36:283
3646635993129,1cyclictest1318-21snmpd12:22:463
3646635993128,2cyclictest3798136-21kworker/u8:3+flush-179:010:20:053
3646627993129,1cyclictest3781029-21ThreadPoolForeg09:45:001
3646627993129,1cyclictest3616520-1kworker/1:1H+kblockd08:55:111
3646627993129,1cyclictest3616520-1kworker/1:1H+kblockd08:52:151
3646627993129,1cyclictest1318-21snmpd11:30:501
3646627993129,1cyclictest1318-21snmpd10:37:101
3646627993128,2cyclictest3616520-1kworker/1:1H+kblockd10:16:441
3646627993128,2cyclictest1318-21snmpd10:33:011
3646627993128,2cyclictest1318-21snmpd09:00:161
3646627993123,6cyclictest3928831-21/usr/share/muni12:35:031
3646622993129,1cyclictest3175595-1kworker/0:1H+kblockd12:06:450
3646635993030,0cyclictest1318-21snmpd09:27:103
3646635993030,0cyclictest1318-21snmpd07:15:433
3646635993027,2cyclictest3841801-21kworker/u8:2+events_unbound11:55:153
3646635993027,2cyclictest3595740-21kworker/u8:1+flush-179:008:00:153
3646635993025,4cyclictest3663310-21ntpq07:25:253
3646635993025,4cyclictest3663310-21ntpq07:25:253
3646627993030,0cyclictest1318-21snmpd12:29:301
3646627993029,1cyclictest3616520-1kworker/1:1H+kblockd10:52:271
3646627993028,1cyclictest66610-21ntpd08:05:371
3646627993028,1cyclictest3910310-21awk12:10:201
3646627993028,1cyclictest1318-21snmpd11:52:091
3646627993027,2cyclictest3805155-21awk10:10:151
3646627993027,2cyclictest3616520-1kworker/1:1H+kblockd08:46:321
3646622993029,0cyclictest3723480-21awk08:35:150
3646622993028,1cyclictest64742-21isc-net-000010:36:230
3646622993028,1cyclictest1318-21snmpd12:15:420
3646622993028,1cyclictest1318-21snmpd09:37:310
3646622993027,2cyclictest3841801-21kworker/u8:2+flush-179:011:55:240
3646622993026,3cyclictest3833504-21kworker/u8:1+events_unbound10:55:110
3646635992927,1cyclictest3646188-1kworker/3:0H+kblockd08:20:103
3646635992927,1cyclictest1318-21snmpd11:13:203
3646635992926,2cyclictest3640633-21kworker/u8:2+flush-179:007:10:143
3646627992927,1cyclictest1318-21snmpd08:20:201
3646622992929,0cyclictest1318-21snmpd11:22:560
3646622992929,0cyclictest1318-21snmpd11:22:560
3646622992927,1cyclictest1318-21snmpd07:18:180
3646635992826,1cyclictest1318-21snmpd09:51:003
3646627992826,1cyclictest3616520-1kworker/1:1H+kblockd10:26:541
3646622992827,1cyclictest1318-21snmpd09:22:250
3646622992827,1cyclictest1318-21snmpd09:22:250
3646635992727,0cyclictest1318-21snmpd10:56:463
3646635992725,2cyclictest3720677-21kworker/u8:4+flush-179:008:55:283
3646627992724,2cyclictest3616520-1kworker/1:1H+kblockd11:19:261
3646627992723,3cyclictest3780626-21kworker/u8:0+flush-179:010:05:131
3646627992621,3cyclictest3785680-21snmp_ryswitch.c09:50:021
3646635992525,0cyclictest1318-21snmpd10:44:453
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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