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2025-10-23 - 16:35
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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 Thu Oct 23, 2025 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4896282248199,39sleep10-21swapper/107:08:371
4895762235205,19sleep20-21swapper/207:07:582
4894342233204,19sleep30-21swapper/307:06:113
4895322220191,20sleep00-21swapper/007:07:250
71967921460,2sleep0719674-21snmp_ryswitch2.11:35:020
48988699849,74cyclictest550597-21kworker/u8:4+efi_rts_wq08:44:110
489898996954,13cyclictest572386-13chrome08:45:013
489895995046,3cyclictest667001-21kworker/u8:1+events_unbound10:40:142
489895994845,2cyclictest580997-21kworker/u8:0+flush-179:008:55:102
489895994742,2cyclictest728155-21snmp_wanpowerct11:45:022
489891994732,4cyclictest619791-21latency_hist09:40:011
489886994740,4cyclictest728080-21chrome11:45:020
489898994642,3cyclictest624364-21chrome09:45:013
489895994541,3cyclictest495768-21apt-get07:15:082
489891994542,2cyclictest550597-21kworker/u8:4+flush-179:008:25:271
489891994541,3cyclictest728137-21snmp_wlanpowerc11:45:011
489891994442,1cyclictest0-21swapper/108:45:251
489898994234,5cyclictest615736-21/usr/share/muni09:35:013
489886994137,3cyclictest711153-21cat11:25:060
489886994137,3cyclictest706100-21kworker/u8:0+flush-179:011:30:010
489898994035,3cyclictest518457-21apt-get07:40:143
489895994038,1cyclictest671327-21kworker/2:2+pm10:46:382
489895994038,1cyclictest459659-21kworker/2:1+pm07:10:542
489891994037,2cyclictest587801-21kworker/u8:1+flush-179:010:00:191
489886994036,3cyclictest503975-21kworker/u8:4+flush-179:007:45:160
489886994033,5cyclictest503445-21/usr/share/muni07:25:140
489886994033,5cyclictest503445-21/usr/share/muni07:25:140
489898993934,4cyclictest745726-21/usr/share/muni12:05:053
489895993937,1cyclictest746038-21kworker/2:0+pm12:35:162
489895993937,1cyclictest746038-21kworker/2:0+pm12:25:522
489895993937,1cyclictest628842-21kworker/2:0+pm10:30:552
489895993937,1cyclictest459659-21kworker/2:1+pm09:20:122
489895993937,1cyclictest459659-21kworker/2:1+pm09:11:012
489895993936,2cyclictest727860-21kworker/u8:3+events_unbound12:00:062
489895993936,2cyclictest702231-21kworker/2:0+pm11:35:062
489895993936,2cyclictest459659-21kworker/2:1+pm09:01:032
489895993936,2cyclictest459659-21kworker/2:1+pm07:56:032
489891993932,6cyclictest403648-1kworker/1:2H+kblockd11:50:061
489886993935,3cyclictest587801-21kworker/u8:1+flush-179:010:05:060
489886993933,4cyclictest689254-21/usr/share/muni11:00:010
489898993834,3cyclictest507482-21munin-update07:30:263
489898993834,2cyclictest472893-1kworker/3:1H+kblockd12:25:423
489898993834,2cyclictest472893-1kworker/3:1H+kblockd11:30:043
489898993831,5cyclictest675941-21munin-update10:45:283
489895993836,1cyclictest746038-21kworker/2:0+pm12:30:142
489895993836,1cyclictest746038-21kworker/2:0+pm12:20:282
489895993836,1cyclictest702231-21kworker/2:0+pm11:25:572
489895993836,1cyclictest628842-21kworker/2:0+pm10:35:482
489895993836,1cyclictest628842-21kworker/2:0+pm10:35:472
489895993836,1cyclictest628842-21kworker/2:0+pm09:55:062
489895993836,1cyclictest459659-21kworker/2:1+pm08:50:462
489895993836,1cyclictest459659-21kworker/2:1+pm08:40:142
489895993836,1cyclictest459659-21kworker/2:1+pm08:20:062
489895993836,1cyclictest459659-21kworker/2:1+pm08:11:462
489895993836,1cyclictest459659-21kworker/2:1+pm07:50:102
489895993836,1cyclictest459659-21kworker/2:1+pm07:36:122
489895993836,1cyclictest459659-21kworker/2:1+pm07:30:162
489895993836,1cyclictest3856452-1kworker/2:0H+kblockd08:30:372
489895993835,2cyclictest702231-21kworker/2:0+pm11:45:002
489891993836,1cyclictest571056-21kworker/1:2+pm09:10:251
489891993832,5cyclictest403648-1kworker/1:2H+kblockd11:56:061
489886993835,2cyclictest610890-21kworker/0:0+pm10:35:010
489886993835,2cyclictest544041-21cat08:10:110
489886993834,3cyclictest675940-21latency_hist10:45:010
489898993734,2cyclictest472893-1kworker/3:1H+kblockd12:37:373
489898993734,2cyclictest472893-1kworker/3:1H+kblockd12:00:283
489898993734,2cyclictest472893-1kworker/3:1H+kblockd09:50:063
489898993734,2cyclictest472893-1kworker/3:1H+kblockd09:02:403
489898993734,2cyclictest472893-1kworker/3:1H+kblockd08:18:483
489898993734,2cyclictest472893-1kworker/3:1H+kblockd08:12:273
489898993733,2cyclictest472893-1kworker/3:1H+kblockd10:50:593
489898993731,5cyclictest710562-21/usr/share/muni11:25:133
489895993735,1cyclictest702231-21kworker/2:0+pm11:30:462
489895993735,1cyclictest628842-21kworker/2:0+pm10:21:012
489895993735,1cyclictest614920-21kworker/2:2+pm09:35:052
489895993735,1cyclictest459659-21kworker/2:1+pm09:32:592
489895993735,1cyclictest459659-21kworker/2:1+pm08:45:052
489895993734,2cyclictest746038-21kworker/2:0+pm12:05:042
489895993734,2cyclictest671327-21kworker/2:2+pm11:15:042
489895993734,2cyclictest529492-21kworker/u8:1+flush-179:008:35:152
489895993734,2cyclictest3856452-1kworker/2:0H+kblockd09:45:042
489895993733,3cyclictest630264-21apt-get09:50:072
489891993734,2cyclictest403648-1kworker/1:2H+kblockd11:15:011
489891993734,2cyclictest403648-1kworker/1:2H+kblockd08:05:051
489891993733,3cyclictest587801-21kworker/u8:1+flush-179:009:50:251
489886993735,1cyclictest1318-21snmpd07:24:130
489886993734,2cyclictest273617-1kworker/0:2H+kblockd07:35:380
489886993733,3cyclictest557445-21apt-get08:25:150
489886993728,0cyclictest1318-21snmpd07:12:580
489898993633,2cyclictest472893-1kworker/3:1H+kblockd11:55:143
489898993633,2cyclictest472893-1kworker/3:1H+kblockd11:45:043
489898993633,2cyclictest472893-1kworker/3:1H+kblockd11:10:053
489898993633,2cyclictest472893-1kworker/3:1H+kblockd09:42:023
489898993633,2cyclictest472893-1kworker/3:1H+kblockd08:36:063
489898993633,2cyclictest472893-1kworker/3:1H+kblockd08:01:303
489898993633,2cyclictest472893-1kworker/3:1H+kblockd07:52:033
489898993629,5cyclictest684903-21/usr/share/muni10:55:023
489895993634,1cyclictest628842-21kworker/2:0+pm10:00:292
489895993634,1cyclictest498994-21kworker/2:2+pm07:20:502
489895993634,1cyclictest459659-21kworker/2:1+pm08:06:582
489895993634,1cyclictest459659-21kworker/2:1+pm08:01:582
489895993634,1cyclictest459659-21kworker/2:1+pm07:40:162
489895993633,2cyclictest671327-21kworker/2:2+pm11:05:042
489895993633,2cyclictest550597-21kworker/u8:4+flush-179:010:15:052
489895993633,2cyclictest550597-21kworker/u8:4+flush-179:010:15:052
489895993633,2cyclictest459659-21kworker/2:1+pm09:15:462
489891993634,1cyclictest403648-1kworker/1:2H+kblockd09:42:171
489891993634,1cyclictest403648-1kworker/1:2H+kblockd09:20:281
489891993634,1cyclictest403648-1kworker/1:2H+kblockd07:30:061
489891993633,2cyclictest403648-1kworker/1:2H+kblockd07:50:041
48989199360,35cyclictest0-21swapper/110:30:041
489886993634,2cyclictest273617-1kworker/0:2H+kblockd10:02:200
489886993634,1cyclictest610890-21kworker/0:0+pm09:47:490
489886993633,2cyclictest723762-21/usr/share/muni11:40:140
489886993633,2cyclictest650999-21kworker/u8:3+flush-179:010:20:010
489886993633,2cyclictest650999-21kworker/u8:3+flush-179:010:20:010
489886993633,2cyclictest550597-21kworker/u8:4+flush-179:009:40:150
489886993633,2cyclictest529492-21kworker/u8:1+events_unbound08:35:150
489886993633,2cyclictest273617-1kworker/0:2H+kblockd12:30:010
489886993633,2cyclictest273617-1kworker/0:2H+kblockd10:35:140
489886993633,2cyclictest273617-1kworker/0:2H+kblockd10:35:140
489886993632,2cyclictest775422-21gpgv12:40:000
7673502350,1chrt767335-21snmp_ryswitch.c12:30:033
489898993533,1cyclictest472893-1kworker/3:1H+kblockd11:40:213
489898993533,1cyclictest472893-1kworker/3:1H+kblockd08:57:503
489898993532,2cyclictest733676-21kworker/3:0+pm12:15:003
489898993532,2cyclictest472893-1kworker/3:1H+kblockd10:43:573
489898993532,2cyclictest472893-1kworker/3:1H+kblockd10:37:013
489898993532,2cyclictest472893-1kworker/3:1H+kblockd10:37:013
489898993532,2cyclictest472893-1kworker/3:1H+kblockd09:11:523
489898993532,2cyclictest472893-1kworker/3:1H+kblockd08:27:243
489898993532,2cyclictest472893-1kworker/3:1H+kblockd08:21:403
489898993532,2cyclictest472893-1kworker/3:1H+kblockd08:07:253
489898993532,2cyclictest472893-1kworker/3:1H+kblockd07:28:143
489898993532,2cyclictest472893-1kworker/3:1H+kblockd07:28:143
489898993532,2cyclictest472893-1kworker/3:1H+kblockd07:20:263
489898993531,2cyclictest472893-1kworker/3:1H+kblockd12:15:433
489898993530,4cyclictest732508-21/usr/share/muni11:50:063
489898993530,3cyclictest472893-1kworker/3:1H+kblockd07:45:053
489895993534,1cyclictest731601-21kworker/2:1+pm11:51:002
489895993534,1cyclictest628842-21kworker/2:0+pm10:12:022
489895993533,1cyclictest628842-21kworker/2:0+pm10:08:002
489895993533,1cyclictest459659-21kworker/2:1+pm09:06:042
489895993533,1cyclictest3856452-1kworker/2:0H+kblockd10:55:442
489891993532,2cyclictest403648-1kworker/1:2H+kblockd10:56:161
489891993531,3cyclictest493968-21kworker/u8:1+events_unbound07:40:141
489891993531,2cyclictest667001-21kworker/u8:1+events_unbound11:00:071
489886993533,1cyclictest273617-1kworker/0:2H+kblockd10:50:290
489886993532,2cyclictest273617-1kworker/0:2H+kblockd09:30:280
489886993531,3cyclictest503975-21kworker/u8:4+events_unbound07:50:090
5341052340,1chrt534086-21snmp_wlanpowerc08:00:020
489898993431,2cyclictest472893-1kworker/3:1H+kblockd09:20:143
489898993431,2cyclictest472893-1kworker/3:1H+kblockd08:34:403
489898993430,2cyclictest472893-1kworker/3:1H+kblockd11:05:593
489898993428,4cyclictest47022-21systemd-journal11:20:003
489895993432,1cyclictest702231-21kworker/2:0+pm11:22:422
489895993432,1cyclictest671327-21kworker/2:2+pm11:02:332
489895993431,2cyclictest731601-21kworker/2:1+pm11:55:292
489895993431,2cyclictest671327-21kworker/2:2+pm10:50:272
489895993431,1cyclictest746038-21kworker/2:0+pm12:10:102
489895993430,3cyclictest736362-21kworker/u8:0+flush-179:012:15:052
489895993427,5cyclictest546639-21/usr/share/muni08:15:032
48989599341,32cyclictest521172-21snmp_ryswitch.c07:45:012
48989599340,1cyclictest0-21swapper/209:25:412
48989599340,1cyclictest0-21swapper/209:25:412
489891993432,1cyclictest633132-21kworker/1:0+pm10:17:001
489891993432,1cyclictest633132-21kworker/1:0+pm10:17:001
489891993432,1cyclictest403648-1kworker/1:2H+kblockd12:31:501
489891993432,1cyclictest403648-1kworker/1:2H+kblockd09:49:431
489891993432,1cyclictest403648-1kworker/1:2H+kblockd09:30:011
489891993432,1cyclictest403648-1kworker/1:2H+kblockd09:30:011
489891993432,1cyclictest403648-1kworker/1:2H+kblockd07:55:111
489891993432,1cyclictest403648-1kworker/1:2H+kblockd07:27:221
489891993432,1cyclictest403648-1kworker/1:2H+kblockd07:27:221
489891993432,1cyclictest403648-1kworker/1:2H+kblockd07:10:031
489891993431,2cyclictest403648-1kworker/1:2H+kblockd08:50:011
489891993430,3cyclictest650999-21kworker/u8:3+flush-179:010:35:161
489891993430,3cyclictest650999-21kworker/u8:3+flush-179:010:35:161
489886993433,1cyclictest273617-1kworker/0:2H+kblockd12:10:290
489886993432,1cyclictest273617-1kworker/0:2H+kblockd11:05:400
489886993432,1cyclictest273617-1kworker/0:2H+kblockd09:17:020
489886993432,1cyclictest273617-1kworker/0:2H+kblockd09:12:230
489886993432,1cyclictest273617-1kworker/0:2H+kblockd08:45:520
489886993431,2cyclictest273617-1kworker/0:2H+kblockd11:11:280
489886993431,2cyclictest273617-1kworker/0:2H+kblockd08:35:010
489886993429,4cyclictest507482-21munin-update07:30:140
7602982330,1chrt0-21swapper/312:20:123
489898993331,1cyclictest472893-1kworker/3:1H+kblockd10:20:263
489898993330,2cyclictest472893-1kworker/3:1H+kblockd08:44:333
489895993332,1cyclictest671327-21kworker/2:2+pm11:12:532
489895993332,1cyclictest3856452-1kworker/2:0H+kblockd10:25:212
48989199335,23cyclictest171rcu_preempt10:20:021
489891993331,1cyclictest571056-21kworker/1:2+pm08:56:551
489891993330,2cyclictest403648-1kworker/1:2H+kblockd11:20:011
489891993330,2cyclictest403648-1kworker/1:2H+kblockd09:30:461
489891993330,2cyclictest403648-1kworker/1:2H+kblockd07:45:051
489891993330,2cyclictest403648-1kworker/1:2H+kblockd07:17:011
489891993329,3cyclictest706100-21kworker/u8:0+events_unbound11:25:011
489891993328,3cyclictest680417-21latency_hist10:50:001
489891993328,3cyclictest516027-31munin-graph07:35:391
48989199330,1cyclictest672294-21ntpq10:40:051
489886993332,1cyclictest533421-21kworker/0:1+pm08:19:040
489886993331,1cyclictest273617-1kworker/0:2H+kblockd09:20:260
489886993331,1cyclictest273617-1kworker/0:2H+kblockd08:51:030
489886993330,2cyclictest273617-1kworker/0:2H+kblockd11:50:030
489886993329,3cyclictest554947-21kworker/u8:2+flush-179:009:05:200
489898993230,1cyclictest472893-1kworker/3:1H+kblockd09:31:563
489898993229,2cyclictest472893-1kworker/3:1H+kblockd11:35:043
489898993229,2cyclictest472893-1kworker/3:1H+kblockd11:01:263
489898993229,2cyclictest1318-21snmpd10:10:103
489898993228,3cyclictest472893-1kworker/3:1H+kblockd10:15:203
489898993228,3cyclictest472893-1kworker/3:1H+kblockd10:15:203
489895993228,3cyclictest550597-21kworker/u8:4+events_unbound08:25:062
48989599320,32cyclictest0-21swapper/209:40:522
489891993230,1cyclictest682190-21awk10:50:121
489891993227,4cyclictest64742-21isc-net-000009:55:061
489886993230,1cyclictest610890-21kworker/0:0+pm10:21:550
489886993230,1cyclictest273617-1kworker/0:2H+kblockd12:01:110
489886993230,1cyclictest273617-1kworker/0:2H+kblockd07:55:270
489886993230,1cyclictest273617-1kworker/0:2H+kblockd07:15:270
489886993229,2cyclictest667001-21kworker/u8:1+flush-179:011:20:250
489886993229,2cyclictest273617-1kworker/0:2H+kblockd12:15:150
489898993129,1cyclictest1318-21snmpd10:26:013
489898993129,1cyclictest1318-21snmpd10:05:273
489898993129,1cyclictest1318-21snmpd07:10:493
489898993127,2cyclictest472893-1kworker/3:1H+kblockd08:00:013
489898993122,7cyclictest706586-21ntpq11:20:033
489895993127,3cyclictest493968-21kworker/u8:1+flush-179:007:25:092
489895993127,3cyclictest493968-21kworker/u8:1+flush-179:007:25:092
489891993130,0cyclictest1318-21snmpd11:41:581
489891993129,1cyclictest696288-21awk11:05:211
489891993129,1cyclictest403648-1kworker/1:2H+kblockd10:05:281
489891993129,1cyclictest403648-1kworker/1:2H+kblockd08:35:101
489891993129,1cyclictest1318-21snmpd12:23:231
489891993129,1cyclictest1318-21snmpd11:31:121
489891993129,1cyclictest1318-21snmpd09:08:071
489891993129,1cyclictest1318-21snmpd08:12:171
489891993128,2cyclictest554947-21kworker/u8:2+flush-179:008:40:261
489891993128,2cyclictest550597-21kworker/u8:4+events_unbound10:10:251
489891993118,1cyclictest720539-21awk11:35:071
489886993130,1cyclictest1318-21snmpd12:26:410
489886993129,1cyclictest1318-21snmpd12:23:170
489886993129,1cyclictest1318-21snmpd11:17:060
489886993129,1cyclictest1318-21snmpd08:55:280
489886993128,2cyclictest273617-1kworker/0:2H+kblockd09:50:010
489886993128,2cyclictest1318-21snmpd08:06:450
489886993127,3cyclictest1318-21snmpd12:05:080
489898993028,1cyclictest1318-21snmpd10:31:003
489898993027,2cyclictest472893-1kworker/3:1H+kblockd09:15:183
489898993027,2cyclictest472893-1kworker/3:1H+kblockd08:50:383
489898993027,2cyclictest472893-1kworker/3:1H+kblockd07:38:493
489891993030,0cyclictest1318-21snmpd12:05:381
489891993030,0cyclictest1318-21snmpd09:01:491
489891993029,0cyclictest66610-21ntpd11:17:361
489891993028,1cyclictest1318-21snmpd09:15:491
489891993027,2cyclictest403648-1kworker/1:2H+kblockd12:25:471
489886993029,0cyclictest1318-21snmpd10:13:370
489886993027,2cyclictest550597-21kworker/u8:4+flush-179:009:55:060
489898992927,1cyclictest1318-21snmpd07:15:313
489898992924,4cyclictest640947-21ntpq10:00:253
489891992928,1cyclictest1318-21snmpd08:34:281
489891992927,1cyclictest403648-1kworker/1:2H+kblockd08:20:421
489891992927,1cyclictest1318-21snmpd12:35:121
489891992927,1cyclictest1318-21snmpd08:00:471
489891992926,2cyclictest403648-1kworker/1:2H+kblockd08:16:071
489886992928,0cyclictest1318-21snmpd10:26:550
489886992927,1cyclictest1318-21snmpd09:36:380
489886992925,3cyclictest493968-21kworker/u8:1+events_unbound07:40:120
489898992826,1cyclictest1318-21snmpd09:25:563
489898992826,1cyclictest1318-21snmpd09:25:563
489898992826,1cyclictest1318-21snmpd09:07:443
489898992825,2cyclictest472893-1kworker/3:1H+kblockd09:55:063
489891992826,1cyclictest403648-1kworker/1:2H+kblockd12:10:461
489891992826,1cyclictest403648-1kworker/1:2H+kblockd07:22:221
489886992828,0cyclictest1318-21snmpd10:59:470
489886992828,0cyclictest1318-21snmpd10:49:170
489886992828,0cyclictest1318-21snmpd09:27:280
489886992828,0cyclictest1318-21snmpd09:27:280
489891992726,1cyclictest1318-21snmpd12:15:381
489891992726,0cyclictest1318-21snmpd12:03:381
489891992725,1cyclictest1318-21snmpd10:29:521
489886992725,1cyclictest1318-21snmpd09:03:490
489886992622,3cyclictest550597-21kworker/u8:4+flush-179:008:20:150
489886992521,3cyclictest739267-21awk11:55:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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