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2025-11-21 - 22:00
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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 Fri Nov 21, 2025 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33508742233203,20sleep30-21swapper/307:08:213
33507362233181,40sleep20-21swapper/207:06:322
33508412226197,19sleep10-21swapper/107:07:561
33507692225196,18sleep00-21swapper/007:06:580
3351205997067,1cyclictest0-21swapper/310:45:013
3351205995044,4cyclictest3585041-21/usr/share/muni11:40:053
3351205994532,12cyclictest3209071-1kworker/3:2H+kblockd07:40:033
3351201994541,3cyclictest3537483-21CacheThread_Blo10:45:002
3351201994535,7cyclictest3593242-21kworker/2:1+pm12:30:402
3351193994542,2cyclictest3394633-21kworker/u8:1+flush-179:008:55:080
33993192440,1chrt3399306-21snmp_wlanswitch08:05:022
3351201994437,5cyclictest3338700-21kworker/2:2+pm08:25:042
3351193994440,3cyclictest3342546-21kworker/u8:0+flush-179:008:30:090
3351205994337,5cyclictest3394839-21/usr/share/muni08:00:083
3351201994332,8cyclictest3447356-21kworker/2:3+pm09:09:152
3351196994338,3cyclictest3485978-13chrome09:45:011
3351205994236,4cyclictest3481440-21latency_hist09:40:003
3351205994231,4cyclictest3365811-21apt-get07:25:083
3351205994231,4cyclictest3365811-21apt-get07:25:083
3351205994229,3cyclictest3580771-21/usr/share/muni11:35:023
3351201994238,3cyclictest3593242-21kworker/2:1+pm12:01:242
3351201994237,4cyclictest3447356-21kworker/2:3+pm09:00:422
3351196994237,3cyclictest3537486-21chrome10:45:011
3351196994234,7cyclictest3333650-1kworker/1:1H+kblockd12:00:561
3351193994239,3cyclictest3584650-21kworker/u8:1+flush-179:012:10:050
3351193994238,3cyclictest3442212-21kworker/u8:3+flush-179:009:10:160
3351193994237,4cyclictest3422213-21kworker/u8:3+flush-179:008:35:060
3351193994235,5cyclictest3580773-21/usr/share/muni11:35:030
3351205994130,10cyclictest1318-21snmpd11:10:043
3351205994129,12cyclictest3209071-1kworker/3:2H+kblockd08:51:143
3351201994134,6cyclictest3593242-21kworker/2:1+pm12:30:002
3351193994139,2cyclictest3475518-21kworker/u8:0+events_unbound10:00:150
3351201994038,1cyclictest3470549-21kworker/2:0+pm11:00:112
3351201994038,1cyclictest3416872-21kworker/2:0+pm08:50:002
3351201994038,1cyclictest3416872-21kworker/2:0+pm08:35:172
3351201994037,2cyclictest3470549-21kworker/2:0+pm09:50:132
3351201994037,2cyclictest3470549-21kworker/2:0+pm09:30:552
3351201994035,4cyclictest3580563-21kworker/2:3+pm11:46:422
3351201994033,6cyclictest3559057-21kworker/2:2+pm11:30:402
3351196994034,5cyclictest3333650-1kworker/1:1H+kblockd12:30:271
3351205993937,1cyclictest3576217-21kworker/3:0+pm12:24:503
3351205993933,5cyclictest3209071-1kworker/3:2H+kblockd08:31:263
3351201993938,1cyclictest3416872-21kworker/2:0+pm08:56:202
3351201993938,1cyclictest3416872-21kworker/2:0+pm08:40:462
3351201993937,1cyclictest3470549-21kworker/2:0+pm09:45:292
3351201993937,1cyclictest3416872-21kworker/2:0+pm08:30:502
3351201993937,1cyclictest3338700-21kworker/2:2+pm08:20:402
3351201993937,1cyclictest3338700-21kworker/2:2+pm08:15:032
3351201993937,1cyclictest3338700-21kworker/2:2+pm07:45:252
3351201993937,1cyclictest3338700-21kworker/2:2+pm07:40:162
3351201993937,1cyclictest3338700-21kworker/2:2+pm07:15:452
3351201993934,4cyclictest3555131-21/usr/share/muni11:05:012
3351193993936,2cyclictest3442212-21kworker/u8:3+flush-179:009:05:000
3351193993933,4cyclictest3627976-21/usr/share/muni12:30:070
3351193993926,12cyclictest3518467-21awk10:20:170
3351205993828,2cyclictest3209071-1kworker/3:2H+kblockd10:50:053
3351201993836,1cyclictest3470549-21kworker/2:0+pm10:40:012
3351201993836,1cyclictest3470549-21kworker/2:0+pm10:37:332
3351201993836,1cyclictest3470549-21kworker/2:0+pm10:30:152
3351201993836,1cyclictest3470549-21kworker/2:0+pm10:00:552
3351201993836,1cyclictest3470549-21kworker/2:0+pm09:55:272
3351201993836,1cyclictest3338700-21kworker/2:2+pm08:14:002
3351201993836,1cyclictest3338700-21kworker/2:2+pm08:13:592
3351201993836,1cyclictest3338700-21kworker/2:2+pm07:20:382
3351201993836,1cyclictest1634396-1kworker/2:2H+kblockd09:18:552
3351201993835,2cyclictest3593242-21kworker/2:1+pm12:05:152
3351201993835,2cyclictest3593242-21kworker/2:1+pm12:05:152
3351201993834,2cyclictest3519768-1kworker/2:0H+kblockd11:15:042
335120199380,37cyclictest3519748-31munin-html10:20:362
3351196993832,5cyclictest3333650-1kworker/1:1H+kblockd08:41:041
3351196993829,2cyclictest3333650-1kworker/1:1H+kblockd10:20:051
3351196993826,11cyclictest3533210-21open_files10:40:011
3351193993832,4cyclictest47022-21systemd-journal09:35:000
3351193993830,6cyclictest3386216-21/usr/share/muni07:50:020
3351205993734,1cyclictest3209071-1kworker/3:2H+kblockd11:15:403
3351201993736,1cyclictest3470549-21kworker/2:0+pm09:41:002
3351201993735,1cyclictest3593242-21kworker/2:1+pm12:36:052
3351201993735,1cyclictest3593242-21kworker/2:1+pm12:20:162
3351201993735,1cyclictest3580563-21kworker/2:3+pm11:40:292
3351201993735,1cyclictest3338700-21kworker/2:2+pm08:00:262
3351201993734,2cyclictest3559057-21kworker/2:2+pm11:25:042
3351201993734,2cyclictest3470549-21kworker/2:0+pm10:10:122
3351201993734,2cyclictest3338700-21kworker/2:2+pm07:55:042
3351201993731,4cyclictest3386601-21ntpq07:50:042
3351196993735,1cyclictest3330559-21kworker/1:0+pm07:26:361
3351196993735,1cyclictest3330559-21kworker/1:0+pm07:26:361
3351196993734,2cyclictest3333650-1kworker/1:1H+kblockd09:50:161
3351196993734,1cyclictest3333650-1kworker/1:1H+kblockd11:35:291
3351196993730,6cyclictest3333650-1kworker/1:1H+kblockd10:19:411
3351193993734,2cyclictest3394633-21kworker/u8:1+flush-179:008:45:190
3351193993734,2cyclictest3251992-1kworker/0:0H+kblockd10:15:580
3351193993733,3cyclictest3251992-1kworker/0:0H+kblockd12:15:050
3351193993733,3cyclictest3251992-1kworker/0:0H+kblockd12:15:050
335119399370,36cyclictest1-21systemd07:20:000
3351205993634,1cyclictest3209071-1kworker/3:2H+kblockd10:26:013
3351205993634,1cyclictest3209071-1kworker/3:2H+kblockd07:10:283
3351205993633,2cyclictest3209071-1kworker/3:2H+kblockd12:19:313
3351205993633,2cyclictest3209071-1kworker/3:2H+kblockd12:19:313
3351205993633,2cyclictest3209071-1kworker/3:2H+kblockd08:25:463
3351205993633,2cyclictest3209071-1kworker/3:2H+kblockd08:17:023
3351205993633,2cyclictest3209071-1kworker/3:2H+kblockd08:05:043
3351201993634,1cyclictest3464442-21kworker/2:1+pm09:28:582
3351201993634,1cyclictest3447356-21kworker/2:3+pm09:12:462
3351201993634,1cyclictest3338700-21kworker/2:2+pm07:30:042
3351201993633,2cyclictest3559057-21kworker/2:2+pm11:20:182
3351201993633,2cyclictest3416872-21kworker/2:0+pm08:54:312
3351201993631,4cyclictest3511767-21/usr/share/muni10:15:032
3351201993630,5cyclictest1318-21snmpd10:51:402
3351201993627,8cyclictest3470549-21kworker/2:0+pm09:35:042
3351196993634,1cyclictest3333650-1kworker/1:1H+kblockd09:55:091
3351196993634,1cyclictest3333650-1kworker/1:1H+kblockd09:35:061
3351196993634,1cyclictest3333650-1kworker/1:1H+kblockd09:30:281
3351196993634,1cyclictest3333650-1kworker/1:1H+kblockd09:06:251
3351196993634,1cyclictest3333650-1kworker/1:1H+kblockd07:30:281
3351193993634,1cyclictest3251992-1kworker/0:0H+kblockd10:26:040
3351193993634,1cyclictest3251992-1kworker/0:0H+kblockd09:15:260
3351193993633,2cyclictest3527431-21kworker/u8:0+flush-179:011:40:090
3351193993633,2cyclictest3251992-1kworker/0:0H+kblockd11:32:170
3351193993633,2cyclictest3251992-1kworker/0:0H+kblockd11:20:160
3351193993633,2cyclictest3251992-1kworker/0:0H+kblockd08:15:470
3351193993631,4cyclictest3342546-21kworker/u8:0+events_unbound07:35:050
3351193993631,3cyclictest3550905-21/usr/share/muni11:00:130
3351193993631,3cyclictest3476982-21kworker/u8:2+events_unbound09:35:140
3351205993533,1cyclictest3209071-1kworker/3:2H+kblockd11:28:413
3351205993533,1cyclictest3209071-1kworker/3:2H+kblockd10:00:563
3351205993533,1cyclictest3209071-1kworker/3:2H+kblockd09:25:173
3351205993532,2cyclictest3576217-21kworker/3:0+pm12:35:213
3351205993531,3cyclictest3550905-21/usr/share/muni11:00:163
3351201993533,1cyclictest3593242-21kworker/2:1+pm12:17:002
3351201993533,1cyclictest3593242-21kworker/2:1+pm12:17:002
3351201993533,1cyclictest3338700-21kworker/2:2+pm07:10:592
3351201993533,1cyclictest1634396-1kworker/2:2H+kblockd07:25:592
3351201993533,1cyclictest1634396-1kworker/2:2H+kblockd07:25:582
3351201993532,2cyclictest3593242-21kworker/2:1+pm11:50:042
3351196993534,1cyclictest3333650-1kworker/1:1H+kblockd11:23:351
3351196993533,1cyclictest3429145-21kworker/1:2+pm09:04:011
3351196993533,1cyclictest3333650-1kworker/1:1H+kblockd12:10:281
3351196993533,1cyclictest3333650-1kworker/1:1H+kblockd10:39:041
3351196993533,1cyclictest3333650-1kworker/1:1H+kblockd10:05:121
3351196993533,1cyclictest3333650-1kworker/1:1H+kblockd10:03:181
3351196993533,1cyclictest0-21swapper/111:46:551
3351196993532,2cyclictest3333650-1kworker/1:1H+kblockd10:55:281
3351193993533,1cyclictest3601798-21kworker/0:2+pm12:21:290
3351193993531,3cyclictest3342546-21kworker/u8:0+flush-179:008:40:050
3351193993531,3cyclictest3315924-21kworker/u8:1+flush-179:007:10:140
3351193993528,5cyclictest3598047-21/usr/share/muni11:55:020
3351193993528,5cyclictest3555126-21/usr/share/muni11:05:070
3351205993433,1cyclictest3286467-21kworker/3:2+pm07:47:493
3351205993433,1cyclictest3209071-1kworker/3:2H+kblockd12:30:053
3351205993432,1cyclictest3394529-21kworker/3:1+pm09:17:433
3351205993432,1cyclictest3209071-1kworker/3:2H+kblockd09:48:163
3351205993432,1cyclictest3209071-1kworker/3:2H+kblockd08:40:563
3351201993431,2cyclictest3464442-21kworker/2:1+pm09:20:122
3351201993430,3cyclictest3470549-21kworker/2:0+pm10:09:362
3351201993429,5cyclictest1318-21snmpd12:14:482
3351196993433,1cyclictest3550696-21kworker/1:1+pm11:03:031
3351196993432,1cyclictest3390417-21kworker/1:1+pm08:19:461
3351196993432,1cyclictest3330559-21kworker/1:0+pm07:11:551
3351196993429,4cyclictest3573416-21ntpq11:25:091
3351196993429,4cyclictest3381580-21latency_hist07:45:011
3351193993432,1cyclictest3251992-1kworker/0:0H+kblockd07:40:460
3351193993429,4cyclictest3573362-21ntpq11:25:080
3351205993332,1cyclictest3209071-1kworker/3:2H+kblockd07:24:383
3351205993331,1cyclictest3209071-1kworker/3:2H+kblockd11:50:133
3351205993331,1cyclictest3209071-1kworker/3:2H+kblockd10:35:393
3351205993331,1cyclictest3209071-1kworker/3:2H+kblockd10:19:413
3351205993331,1cyclictest3209071-1kworker/3:2H+kblockd09:05:403
3351205993330,2cyclictest3209071-1kworker/3:2H+kblockd08:35:453
3351205993329,3cyclictest3576510-21/usr/share/muni11:30:113
3351201993329,2cyclictest3470549-21kworker/2:0+pm10:55:012
335120199330,32cyclictest3523994-31munin-html10:25:372
3351196993331,1cyclictest3333650-1kworker/1:1H+kblockd12:25:571
3351196993331,1cyclictest3333650-1kworker/1:1H+kblockd07:20:041
3351196993330,2cyclictest3333650-1kworker/1:1H+kblockd12:36:081
3351196993330,2cyclictest3333650-1kworker/1:1H+kblockd11:50:041
3351193993330,2cyclictest3442212-21kworker/u8:3+flush-179:009:25:010
3351193993329,3cyclictest3511324-21kworker/u8:4+events_unbound10:30:100
3351193993329,3cyclictest3464020-21kworker/u8:4+events_unbound09:25:260
3351193993329,3cyclictest3372600-21munin-limits07:30:270
3351205993230,1cyclictest66610-21ntpd07:31:373
3351205993230,1cyclictest3394529-21kworker/3:1+pm08:20:243
3351205993230,1cyclictest3209071-1kworker/3:2H+kblockd09:11:273
3351205993230,1cyclictest1318-21snmpd12:26:093
3351205993230,1cyclictest1318-21snmpd09:51:233
3351205993230,1cyclictest1318-21snmpd09:00:163
3351205993229,2cyclictest3209071-1kworker/3:2H+kblockd09:20:153
3351201993230,1cyclictest3338700-21kworker/2:2+pm07:39:082
3351196993231,1cyclictest3550696-21kworker/1:1+pm12:07:431
3351196993231,1cyclictest3550696-21kworker/1:1+pm12:07:431
3351196993231,1cyclictest3333650-1kworker/1:1H+kblockd11:07:081
3351196993231,1cyclictest3333650-1kworker/1:1H+kblockd09:41:271
3351196993230,1cyclictest3390417-21kworker/1:1+pm08:10:231
3351196993230,1cyclictest3390417-21kworker/1:1+pm08:10:231
3351196993230,1cyclictest3333650-1kworker/1:1H+kblockd09:25:261
3351196993230,1cyclictest1318-21snmpd08:28:091
3351196993230,1cyclictest1318-21snmpd07:50:471
3351196993229,2cyclictest3333650-1kworker/1:1H+kblockd11:15:391
3351196993229,1cyclictest3333650-1kworker/1:1H+kblockd12:15:441
3351196993229,1cyclictest3333650-1kworker/1:1H+kblockd12:15:441
3351193993230,1cyclictest64742-21isc-net-000008:20:540
3351193993230,1cyclictest1318-21snmpd10:48:070
3351193993230,1cyclictest1318-21snmpd10:43:010
3351193993229,2cyclictest3394633-21kworker/u8:1+flush-179:008:50:070
3351193993229,2cyclictest1318-21snmpd09:49:320
3351205993130,1cyclictest1318-21snmpd10:59:223
3351205993129,2cyclictest3209071-1kworker/3:2H+kblockd11:22:593
3351205993129,1cyclictest3472543-21kworker/3:0+pm09:58:473
3351205993129,1cyclictest3209071-1kworker/3:2H+kblockd10:40:263
3351205993129,1cyclictest3209071-1kworker/3:2H+kblockd10:22:563
3351205993129,1cyclictest3209071-1kworker/3:2H+kblockd08:10:493
3351205993129,1cyclictest3209071-1kworker/3:2H+kblockd08:10:493
3351205993129,1cyclictest1318-21snmpd12:14:153
3351205993129,1cyclictest1318-21snmpd12:02:123
3351205993129,1cyclictest1318-21snmpd10:30:393
3351205993127,3cyclictest3509101-21apt-get10:10:123
3351205993126,4cyclictest3609819-21ntpq12:05:263
3351205993126,4cyclictest3609819-21ntpq12:05:263
3351205993126,4cyclictest3473164-21/usr/share/muni09:30:103
3351196993130,1cyclictest3429145-21kworker/1:2+pm09:22:251
3351196993130,1cyclictest3333650-1kworker/1:1H+kblockd11:14:401
3351196993129,1cyclictest3429145-21kworker/1:2+pm08:48:541
3351196993129,1cyclictest3333650-1kworker/1:1H+kblockd10:25:481
3351196993129,1cyclictest3333650-1kworker/1:1H+kblockd10:11:001
3351196993129,1cyclictest1318-21snmpd10:54:521
3351196993129,1cyclictest1318-21snmpd07:19:521
3351196993128,2cyclictest3428764-31munin-html08:35:291
3351196993128,2cyclictest3333650-1kworker/1:1H+kblockd11:31:301
3351193993129,1cyclictest64742-21isc-net-000012:00:540
3351193993129,1cyclictest3251992-1kworker/0:0H+kblockd08:11:270
3351193993129,1cyclictest3251992-1kworker/0:0H+kblockd08:11:270
3351193993129,1cyclictest1318-21snmpd08:00:320
3351193993128,2cyclictest1318-21snmpd11:45:020
3351193993128,2cyclictest1318-21snmpd07:25:190
3351193993128,2cyclictest1318-21snmpd07:25:190
3351193993127,3cyclictest3601750-21kworker/u8:2+flush-179:012:05:010
3351193993127,3cyclictest3601750-21kworker/u8:2+flush-179:012:05:010
3351193993127,3cyclictest3563452-21kworker/u8:3+events_unbound12:25:100
3351193993125,4cyclictest3636253-21latency_hist12:40:010
3351193993122,8cyclictest3563452-21kworker/u8:3+flush-179:011:15:220
3351205993028,1cyclictest3576217-21kworker/3:0+pm11:46:553
3351205993028,1cyclictest3209071-1kworker/3:2H+kblockd07:17:423
3351205993028,1cyclictest1318-21snmpd07:57:433
3351201993028,1cyclictest3559057-21kworker/2:2+pm11:35:292
335120199300,29cyclictest3562996-31munin-html11:10:352
3351196993029,1cyclictest3333650-1kworker/1:1H+kblockd10:30:071
3351196993029,0cyclictest1318-21snmpd07:58:471
3351196993028,1cyclictest3333650-1kworker/1:1H+kblockd11:41:341
3351196993028,1cyclictest3333650-1kworker/1:1H+kblockd08:20:471
3351196993028,1cyclictest1318-21snmpd09:19:551
3351196993027,1cyclictest3333650-1kworker/1:1H+kblockd08:51:051
3351193993029,1cyclictest3447108-21kworker/0:1+pm10:08:290
3351193993029,1cyclictest1318-21snmpd09:57:180
3351193993029,1cyclictest1318-21snmpd08:05:350
3351193993028,1cyclictest1318-21snmpd08:26:080
3351193993027,3cyclictest3442212-21kworker/u8:3+flush-179:009:05:280
3351193993027,2cyclictest3251992-1kworker/0:0H+kblockd11:10:020
3351193993026,3cyclictest3464020-21kworker/u8:4+events_unbound09:40:150
3351205992929,0cyclictest1318-21snmpd11:05:163
3351205992927,1cyclictest3209071-1kworker/3:2H+kblockd10:05:043
3351205992927,1cyclictest3209071-1kworker/3:2H+kblockd09:44:453
3351205992927,1cyclictest3209071-1kworker/3:2H+kblockd07:35:273
3351205992924,4cyclictest3433767-21ThreadPoolForeg08:45:193
3351196992929,0cyclictest1318-21snmpd07:47:351
3351196992928,1cyclictest3333650-1kworker/1:1H+kblockd12:21:401
3351196992928,0cyclictest1318-21snmpd09:11:031
3351196992927,1cyclictest3333650-1kworker/1:1H+kblockd08:55:251
3351196992927,1cyclictest3333650-1kworker/1:1H+kblockd08:30:181
3351193992929,0cyclictest1318-21snmpd10:37:100
3351193992926,2cyclictest3489176-21kworker/u8:2+events_unbound09:50:140
3351193992925,3cyclictest3475518-21kworker/u8:0+flush-179:010:10:210
3351193992922,5cyclictest3546593-21/usr/share/muni10:55:020
3351205992823,4cyclictest3598049-21/usr/share/muni11:55:123
3351201992825,2cyclictest3593242-21kworker/2:1+pm11:55:042
3351196992827,1cyclictest1318-21snmpd11:55:051
3351196992826,1cyclictest1318-21snmpd07:36:301
3351196992825,2cyclictest3333650-1kworker/1:1H+kblockd08:06:031
3351193992826,1cyclictest3251992-1kworker/0:0H+kblockd07:20:100
3351193992826,1cyclictest1318-21snmpd10:52:340
3351193992825,2cyclictest3251992-1kworker/0:0H+kblockd11:50:270
3351205992727,0cyclictest1318-21snmpd08:58:133
3351193992726,1cyclictest3393107-21awk07:55:160
3351193992626,0cyclictest1318-21snmpd07:48:070
3351205992519,5cyclictest3386573-21/usr/share/muni07:50:083
3351196992523,1cyclictest1318-21snmpd08:03:081
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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