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2025-07-04 - 17:52
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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 Fri Jul 04, 2025 12:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5948192234184,40sleep00-21swapper/007:06:580
5948192234184,40sleep00-21swapper/007:06:580
5948212216188,19sleep20-21swapper/207:07:012
5948212216188,19sleep20-21swapper/207:07:012
5947822214184,19sleep30-21swapper/307:06:293
5947822214184,19sleep30-21swapper/307:06:293
5947602198174,14sleep10-21swapper/107:06:101
5947602198174,14sleep10-21swapper/107:06:101
59522399540,52cyclictest835318-21hddtemp_smartct11:05:181
59522199541,2cyclictest813176-21snmp_wlanswitch10:45:020
595223995244,6cyclictest40692-21ThreadPoolForeg10:51:211
595221995147,3cyclictest686944-21kworker/u8:2+flush-179:010:02:120
595223994943,5cyclictest747259-21/usr/share/muni09:40:121
595221994945,3cyclictest819821-21kworker/u8:4+events_unbound11:10:210
595221994945,3cyclictest686944-21kworker/u8:2+events_unbound08:45:360
595227994844,3cyclictest626324-21/usr/share/muni07:40:102
595223994833,14cyclictest459963-1kworker/1:2H+kblockd10:55:071
595221994844,3cyclictest792563-21kworker/u8:3+flush-179:011:00:220
595221994844,3cyclictest792563-21kworker/u8:3+flush-179:011:00:220
595221994743,3cyclictest883541-21kworker/u8:1+events_unbound12:00:310
595221994743,3cyclictest837654-21kworker/u8:2+flush-179:011:05:570
595221994743,3cyclictest746855-21kworker/u8:3+flush-179:009:45:170
595221994743,3cyclictest737098-21kworker/u8:0+flush-179:009:40:260
595221994644,2cyclictest641672-21kworker/u8:1+flush-179:008:05:210
595221994643,2cyclictest564429-21kworker/u8:0+events_unbound07:25:090
595221994641,4cyclictest460591-21kworker/u8:2+events_unbound07:55:140
595221994541,3cyclictest883541-21kworker/u8:1+events_unbound11:55:120
595221994541,3cyclictest554277-21kworker/u8:3+flush-179:007:10:250
595221994540,4cyclictest819821-21kworker/u8:4+events_unbound11:30:000
595221994539,4cyclictest725998-21kworker/u8:1+events_unbound09:15:340
59522199451,42cyclictest40681-13VizCompositorTh09:34:590
595235994440,3cyclictest736680-31munin-graph09:26:073
595235994432,11cyclictest661287-21kworker/3:2+pm08:19:353
595221994440,3cyclictest819821-21kworker/u8:4+events_unbound11:45:290
595221994440,3cyclictest725998-21kworker/u8:1+events_unbound09:20:210
595221994439,4cyclictest40657-21ThreadPoolForeg12:35:110
595235994334,5cyclictest752436-1kworker/3:0H+kblockd11:03:563
595235994334,5cyclictest752436-1kworker/3:0H+kblockd11:03:563
595221994339,3cyclictest686944-21kworker/u8:2+flush-179:009:00:240
595235994238,3cyclictest686944-21kworker/u8:2+flush-179:009:35:503
595235994233,8cyclictest752436-1kworker/3:0H+kblockd11:55:523
595227994232,10cyclictest741734-21kworker/2:1+pm09:44:412
595221994240,2cyclictest706713-21kworker/u8:1+flush-179:009:10:080
595221994239,3cyclictest782212-21kworker/u8:0+flush-179:010:45:200
595221994238,3cyclictest842624-21kworker/u8:0+flush-179:011:30:280
595221994238,3cyclictest554277-21kworker/u8:3+events_unbound08:24:590
595221994238,3cyclictest460591-21kworker/u8:2+flush-179:007:45:190
595221994235,5cyclictest690868-31munin-html08:40:350
595221994235,5cyclictest690868-31munin-html08:40:340
59522199420,41cyclictest40556-210851b1c9a0e90a011:00:000
595227994139,1cyclictest813136-21kworker/2:0+pm11:54:502
595227994136,4cyclictest676611-21kworker/2:3+pm09:08:412
595227994130,9cyclictest40654-21chrome10:25:592
595223994136,3cyclictest691813-21CacheThread_Blo08:45:011
595223994134,5cyclictest713535-21ntpq09:05:151
595221994138,2cyclictest878054-21kworker/u8:2+events_unbound12:11:020
595221994137,3cyclictest648915-21kworker/u8:0+events_unbound08:01:270
595221994128,12cyclictest1260-21snmpd10:09:570
595235994038,1cyclictest892686-21ld12:00:313
595235994037,2cyclictest661287-21kworker/3:2+pm09:49:513
595235994037,2cyclictest40576-13Chrome_IOThread12:25:093
595227994038,1cyclictest554822-21kworker/2:2+pm08:05:062
595227994037,2cyclictest813136-21kworker/2:0+pm11:30:082
595227994036,3cyclictest782302-21kworker/2:1+pm10:35:042
595227994034,5cyclictest554822-21kworker/2:2+pm07:18:362
595227994033,6cyclictest813136-21kworker/2:0+pm11:01:082
595227994033,6cyclictest813136-21kworker/2:0+pm11:01:082
595223994035,4cyclictest620808-21kworker/u8:1+flush-179:007:39:591
595223994027,1cyclictest1260-21snmpd11:25:141
595221994037,2cyclictest766743-21kworker/u8:1+events_unbound10:15:070
595221994037,2cyclictest648915-21kworker/u8:0+flush-179:008:10:570
595221994036,3cyclictest725998-21kworker/u8:1+events_unbound09:25:270
595221994036,3cyclictest686944-21kworker/u8:2+events_unbound08:56:170
595221994035,3cyclictest766743-21kworker/u8:1+events_unbound10:25:100
595235993937,1cyclictest661287-21kworker/3:2+pm10:03:353
595235993936,2cyclictest616111-21kworker/3:0+pm08:08:353
595235993934,3cyclictest3746308-1kworker/3:2H+kblockd07:40:013
59523599390,38cyclictest40657-21ThreadPoolForeg10:44:113
595227993937,1cyclictest782302-21kworker/2:1+pm10:40:512
595227993937,1cyclictest782302-21kworker/2:1+pm10:30:462
595227993937,1cyclictest746753-21kworker/2:0+pm09:50:272
595227993937,1cyclictest676611-21kworker/2:3+pm09:11:042
595227993936,2cyclictest813136-21kworker/2:0+pm12:31:062
595227993936,2cyclictest554822-21kworker/2:2+pm07:20:012
595227993934,4cyclictest813136-21kworker/2:0+pm10:59:222
59522799391,4cyclictest40654-21chrome09:35:582
59522799391,37cyclictest878060-31munin-html11:45:452
595223993938,1cyclictest0-21swapper/107:45:071
595223993937,1cyclictest656436-21kworker/1:1+pm08:40:301
595223993937,1cyclictest656436-21kworker/1:1+pm08:40:301
595223993936,2cyclictest863529-21kworker/1:0+pm11:49:361
595223993936,2cyclictest615691-21kworker/1:2+pm07:53:211
595223993935,2cyclictest656436-21kworker/1:1+pm08:17:081
595235993836,1cyclictest616111-21kworker/3:0+pm07:54:213
595235993834,3cyclictest686944-21kworker/u8:2+flush-179:009:10:093
595235993820,13cyclictest1260-21snmpd11:23:203
595227993837,1cyclictest676611-21kworker/2:3+pm08:52:552
595227993836,1cyclictest813136-21kworker/2:0+pm11:18:212
595227993836,1cyclictest813136-21kworker/2:0+pm11:14:482
595227993836,1cyclictest813136-21kworker/2:0+pm11:07:062
595227993836,1cyclictest813136-21kworker/2:0+pm10:51:002
595227993836,1cyclictest766786-21kworker/2:2+pm10:04:482
595227993836,1cyclictest676611-21kworker/2:3+pm09:17:312
595227993836,1cyclictest676611-21kworker/2:3+pm08:46:012
595227993836,1cyclictest554822-21kworker/2:2+pm08:16:172
595227993836,1cyclictest554822-21kworker/2:2+pm07:55:102
595227993836,1cyclictest554822-21kworker/2:2+pm07:50:212
595227993836,1cyclictest554822-21kworker/2:2+pm07:46:192
595227993836,1cyclictest554822-21kworker/2:2+pm07:33:142
595227993836,1cyclictest554822-21kworker/2:2+pm07:33:142
595227993834,3cyclictest776795-21kworker/2:0+pm10:11:282
595227993832,5cyclictest813136-21kworker/2:0+pm11:22:122
59522799381,3cyclictest40654-21chrome08:26:152
59522799381,12cyclictest857694-31munin-html11:25:402
595227993811,26cyclictest40557-13chrome08:41:462
595227993811,26cyclictest40557-13chrome08:41:452
59522399388,16cyclictest40518-21python310:31:291
595223993836,1cyclictest459963-1kworker/1:2H+kblockd11:11:191
595223993834,3cyclictest766743-21kworker/u8:1+flush-179:010:20:231
595223993834,2cyclictest459963-1kworker/1:2H+kblockd09:32:361
595223993833,3cyclictest812502-31munin-graph10:41:021
595223993833,3cyclictest459963-1kworker/1:2H+kblockd12:35:041
595221993836,1cyclictest1260-21snmpd08:35:120
595221993834,3cyclictest878054-21kworker/u8:2+events_unbound12:25:570
595221993834,3cyclictest711823-21kworker/0:1+pm10:54:410
59522199380,37cyclictest406291Chrome_DevTools09:35:270
595235993736,1cyclictest0-21swapper/309:55:313
595235993735,1cyclictest802647-21kworker/3:0+pm10:58:113
595235993734,2cyclictest752436-1kworker/3:0H+kblockd12:14:163
595235993734,2cyclictest752436-1kworker/3:0H+kblockd12:05:033
595235993734,2cyclictest661287-21kworker/3:2+pm08:20:313
595235993734,2cyclictest3746308-1kworker/3:2H+kblockd07:37:113
595235993734,2cyclictest3746308-1kworker/3:2H+kblockd07:15:193
595235993733,3cyclictest752436-1kworker/3:0H+kblockd11:05:013
595235993732,4cyclictest3746308-1kworker/3:2H+kblockd07:14:263
595235993731,5cyclictest802647-21kworker/3:0+pm11:14:163
595235993728,6cyclictest661287-21kworker/3:2+pm09:33:213
595227993736,1cyclictest746753-21kworker/2:0+pm09:55:062
595227993735,1cyclictest98750-1kworker/2:1H+kblockd11:43:172
595227993735,1cyclictest813136-21kworker/2:0+pm11:55:292
595227993735,1cyclictest782302-21kworker/2:1+pm10:15:042
595227993735,1cyclictest766786-21kworker/2:2+pm10:05:332
595227993735,1cyclictest746753-21kworker/2:0+pm09:48:362
595227993735,1cyclictest676611-21kworker/2:3+pm09:20:042
595227993735,1cyclictest676611-21kworker/2:3+pm08:55:112
595227993735,1cyclictest554822-21kworker/2:2+pm08:03:502
595227993735,1cyclictest554822-21kworker/2:2+pm07:35:062
595227993734,2cyclictest813136-21kworker/2:0+pm12:10:112
595227993734,2cyclictest813136-21kworker/2:0+pm10:45:092
595227993734,2cyclictest554822-21kworker/2:2+pm08:20:042
595223993735,1cyclictest787389-21kworker/1:1+pm11:15:161
595223993735,1cyclictest721786-21kworker/1:0+pm09:47:411
595223993734,2cyclictest459963-1kworker/1:2H+kblockd11:04:111
595223993734,2cyclictest459963-1kworker/1:2H+kblockd11:04:111
595223993733,3cyclictest459963-1kworker/1:2H+kblockd07:31:211
595223993733,3cyclictest459963-1kworker/1:2H+kblockd07:31:211
595223993731,4cyclictest761772-31munin-graph09:51:071
595223993730,5cyclictest923940-31munin-graph12:31:171
595221993734,2cyclictest833381-1kworker/0:2H+kblockd11:43:170
595221993734,2cyclictest145878-1kworker/0:0H+kblockd09:50:130
595221993734,2cyclictest145878-1kworker/0:0H+kblockd08:15:160
595221993731,4cyclictest606364-21/usr/share/muni07:20:100
7019412360,1sleep10-21swapper/108:53:291
595235993634,1cyclictest752436-1kworker/3:0H+kblockd12:38:233
595235993634,1cyclictest616111-21kworker/3:0+pm07:57:453
595235993634,1cyclictest3746308-1kworker/3:2H+kblockd08:31:363
595235993634,1cyclictest3746308-1kworker/3:2H+kblockd08:25:203
595235993633,2cyclictest661287-21kworker/3:2+pm09:42:013
595235993633,2cyclictest3746308-1kworker/3:2H+kblockd09:08:343
595235993633,2cyclictest3746308-1kworker/3:2H+kblockd08:46:203
595235993632,3cyclictest3746308-1kworker/3:2H+kblockd08:11:553
595235993630,5cyclictest731391-31munin-html09:20:393
595235993629,6cyclictest1260-21snmpd11:37:243
595227993635,1cyclictest782302-21kworker/2:1+pm10:24:282
595227993634,1cyclictest813136-21kworker/2:0+pm12:09:212
595227993634,1cyclictest813136-21kworker/2:0+pm11:36:522
595227993633,2cyclictest98750-1kworker/2:1H+kblockd09:25:042
595227993632,2cyclictest0-21swapper/208:11:162
59522799361,34cyclictest40661-13Compositor07:11:112
595227993611,5cyclictest40629-21Chrome_DevTools08:30:452
595223993634,1cyclictest656436-21kworker/1:1+pm08:13:011
595223993634,1cyclictest615691-21kworker/1:2+pm07:58:111
595223993634,1cyclictest459963-1kworker/1:2H+kblockd08:25:571
595223993634,1cyclictest459963-1kworker/1:2H+kblockd07:13:221
595223993633,2cyclictest460591-21kworker/u8:2+flush-179:008:00:331
595223993633,2cyclictest459963-1kworker/1:2H+kblockd10:46:261
595223993633,2cyclictest459963-1kworker/1:2H+kblockd10:17:011
595223993633,2cyclictest459963-1kworker/1:2H+kblockd08:20:041
595223993632,2cyclictest459963-1kworker/1:2H+kblockd09:59:061
595223993630,4cyclictest554277-21kworker/u8:3+flush-179:007:45:001
595221993634,1cyclictest883523-21kworker/0:2+pm12:08:360
595221993634,1cyclictest145878-1kworker/0:0H+kblockd09:06:120
595221993633,2cyclictest878054-21kworker/u8:2+flush-179:012:20:170
595221993633,2cyclictest549826-21kworker/0:2+pm07:34:010
595221993633,2cyclictest549826-21kworker/0:2+pm07:34:000
595221993633,2cyclictest145878-1kworker/0:0H+kblockd10:38:550
595221993632,3cyclictest867865-21kworker/u8:0+events_unbound11:50:200
595221993631,3cyclictest145878-1kworker/0:0H+kblockd10:12:310
595221993631,3cyclictest145878-1kworker/0:0H+kblockd09:59:560
59522199360,35cyclictest40518-21python312:32:120
595235993534,1cyclictest752436-1kworker/3:0H+kblockd09:51:513
595235993533,1cyclictest752436-1kworker/3:0H+kblockd11:44:563
595235993533,1cyclictest3746308-1kworker/3:2H+kblockd07:30:063
595235993533,1cyclictest3746308-1kworker/3:2H+kblockd07:30:063
595235993532,2cyclictest752436-1kworker/3:0H+kblockd11:52:313
595235993532,2cyclictest752436-1kworker/3:0H+kblockd11:30:003
595235993532,2cyclictest752436-1kworker/3:0H+kblockd10:52:323
595235993531,3cyclictest873462-21Chrome_ChildIOT11:45:133
595235993530,4cyclictest76405-21systemd-journal09:05:003
595235993529,4cyclictest793047-21/usr/share/muni10:25:013
595235993528,6cyclictest1260-21snmpd07:45:273
595227993534,1cyclictest813136-21kworker/2:0+pm12:36:192
595227993533,1cyclictest98750-1kworker/2:1H+kblockd12:00:092
595227993533,1cyclictest813136-21kworker/2:0+pm12:21:412
595227993533,1cyclictest554822-21kworker/2:2+pm07:29:012
595227993532,2cyclictest813136-21kworker/2:0+pm12:25:042
595227993532,2cyclictest676611-21kworker/2:3+pm08:35:342
595223993533,1cyclictest787389-21kworker/1:1+pm10:39:301
595223993533,1cyclictest459963-1kworker/1:2H+kblockd11:55:231
595223993532,2cyclictest819821-21kworker/u8:4+flush-179:012:02:401
595223993532,2cyclictest460591-21kworker/u8:2+flush-179:007:21:421
595223993532,2cyclictest459963-1kworker/1:2H+kblockd11:50:011
595223993531,3cyclictest459963-1kworker/1:2H+kblockd12:12:211
595223993531,3cyclictest459963-1kworker/1:2H+kblockd10:11:461
595223993531,2cyclictest721786-21kworker/1:0+pm09:20:001
595223993528,5cyclictest910309-21ntpq12:20:161
595223993520,13cyclictest1260-21snmpd08:08:041
595221993533,1cyclictest549826-21kworker/0:2+pm08:31:570
595221993533,1cyclictest145878-1kworker/0:0H+kblockd07:41:410
595221993531,3cyclictest145878-1kworker/0:0H+kblockd08:28:550
595221993520,14cyclictest819821-21kworker/u8:4+flush-179:012:17:070
595235993432,1cyclictest752436-1kworker/3:0H+kblockd11:17:083
595235993431,2cyclictest752436-1kworker/3:0H+kblockd11:32:513
595235993429,4cyclictest661287-21kworker/3:2+pm10:21:173
59523599341,2cyclictest40654-21chrome12:31:443
595227993432,1cyclictest676611-21kworker/2:3+pm09:01:382
595227993431,2cyclictest98750-1kworker/2:1H+kblockd09:31:202
595223993430,3cyclictest686944-21kworker/u8:2+events_unbound09:00:291
595221993431,2cyclictest460591-21kworker/u8:2+events_unbound07:15:080
595221993430,3cyclictest635847-21kworker/u8:4+events_unbound07:50:300
9090462330,1chrt909044-21snmp_wanpowerct12:20:023
595235993331,1cyclictest752436-1kworker/3:0H+kblockd10:16:153
595235993330,2cyclictest752436-1kworker/3:0H+kblockd12:17:313
595235993321,5cyclictest3746308-1kworker/3:2H+kblockd07:29:463
59523599330,1cyclictest0-21swapper/308:38:263
595223993331,1cyclictest787389-21kworker/1:1+pm11:37:111
595223993331,1cyclictest459963-1kworker/1:2H+kblockd11:30:311
595223993331,1cyclictest459963-1kworker/1:2H+kblockd09:35:551
595223993330,2cyclictest459963-1kworker/1:2H+kblockd10:26:231
595223993329,3cyclictest656436-21kworker/1:1+pm08:59:011
59522399330,32cyclictest916694-21nmap12:25:191
595221993330,2cyclictest1260-21snmpd10:30:550
595235993230,1cyclictest1260-21snmpd10:35:093
595235993230,1cyclictest1260-21snmpd10:09:273
595235993230,1cyclictest1260-21snmpd08:54:593
595235993229,2cyclictest752436-1kworker/3:0H+kblockd10:31:373
595235993229,2cyclictest1260-21snmpd10:48:013
595235993224,7cyclictest688023-21ntpq08:40:143
595235993224,7cyclictest688023-21ntpq08:40:143
595227993229,2cyclictest813136-21kworker/2:0+pm12:16:472
595223993230,1cyclictest1260-21snmpd10:09:121
595223993230,1cyclictest1260-21snmpd09:20:591
595223993227,4cyclictest460591-21kworker/u8:2+flush-179:007:25:331
595221993228,3cyclictest554277-21kworker/u8:3+events_unbound07:35:150
595221993226,5cyclictest40657-21ThreadPoolForeg11:35:160
59522199320,31cyclictest40657-21ThreadPoolForeg10:20:250
595235993129,1cyclictest1260-21snmpd10:14:153
595235993129,1cyclictest1260-21snmpd09:19:583
595223993129,2cyclictest459963-1kworker/1:2H+kblockd09:27:041
595223993129,1cyclictest459963-1kworker/1:2H+kblockd09:12:131
595223993129,1cyclictest1260-21snmpd12:15:251
595223993129,1cyclictest1260-21snmpd11:42:001
595223993123,5cyclictest676815-21/usr/share/muni08:30:161
595221993129,1cyclictest1260-21snmpd11:21:110
595221993127,3cyclictest665865-21kworker/u8:4+flush-179:008:50:050
595235993028,1cyclictest3746308-1kworker/3:2H+kblockd08:00:153
595235993027,2cyclictest3746308-1kworker/3:2H+kblockd08:56:233
595223993028,1cyclictest459963-1kworker/1:2H+kblockd12:06:431
595223993027,1cyclictest459963-1kworker/1:2H+kblockd10:01:171
595221993027,2cyclictest1260-21snmpd11:15:130
595235992927,1cyclictest3746308-1kworker/3:2H+kblockd07:20:163
595223992929,0cyclictest1260-21snmpd08:35:551
595223992927,1cyclictest1260-21snmpd11:21:291
595223992827,0cyclictest1260-21snmpd07:18:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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