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2025-12-30 - 18:46
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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 rackbslot6.osadl.org (updated Tue Dec 30, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151321500,2sleep0978499cyclictest09:15:130
1068911010,34ptp4l401ktimersoftd/307:19:083
309302820,5sleep130934-21unixbench_multi11:40:311
108822660,2sleep20-21swapper/210:40:302
9801996410,24cyclictest1055-21runrttasks11:05:093
146292620,5sleep114632-21fschecks_time12:00:181
136022620,2sleep00-21swapper/011:59:330
9801996111,21cyclictest16193-21sh12:39:083
319712570,5sleep3391rcuc/311:42:343
979799557,12cyclictest17371-21/usr/sbin/munin12:40:182
75512544,40sleep00-21swapper/007:14:590
978499514,11cyclictest30051-21ssh09:50:110
9801994913,21cyclictest7524-21sh12:29:203
9801994913,21cyclictest27123-21sh10:23:043
980199490,3cyclictest9159-21seq08:24:063
980199490,3cyclictest9159-21seq08:24:063
9791994911,5cyclictest25-21ksoftirqd/109:02:041
978499483,12cyclictest64-21kswapd011:00:130
9801994710,23cyclictest12611-21sh10:05:373
9801994710,23cyclictest12611-21sh10:05:373
979199473,11cyclictest1938-21ssh11:08:451
979199466,6cyclictest25-21ksoftirqd/108:35:201
980199459,22cyclictest18308-21seq11:26:253
980199451,4cyclictest4656-21sh10:35:063
979199456,5cyclictest25-21ksoftirqd/108:50:261
979199450,17cyclictest19438-21perl08:45:161
978499453,11cyclictest64-21kswapd012:45:140
980199440,3cyclictest17437-21runrttasks10:11:303
980199440,3cyclictest17437-21runrttasks10:11:303
979199449,5cyclictest25-21ksoftirqd/112:40:421
979199439,5cyclictest25-21ksoftirqd/112:23:041
979199438,6cyclictest25-21ksoftirqd/111:30:191
9791994310,5cyclictest25-21ksoftirqd/112:11:371
978499432,14cyclictest6375-21ssh10:00:120
177282430,2sleep10-21swapper/108:40:171
980199423,29cyclictest25649-21apt-get09:45:103
9797994212,16cyclictest2443-21ssh10:30:572
979199429,5cyclictest25-21ksoftirqd/110:47:321
979799419,18cyclictest3379-21diskmemload09:41:222
979199417,5cyclictest25-21ksoftirqd/111:48:561
979199411,10cyclictest9354-21ssh10:02:561
9791994110,6cyclictest25-21ksoftirqd/108:00:171
980199402,31cyclictest2962-21apt-get11:10:143
979799409,16cyclictest19344-21snmp_o5powerctl10:50:292
979199406,5cyclictest25-21ksoftirqd/110:11:591
979199406,5cyclictest25-21ksoftirqd/110:11:591
979199406,5cyclictest25-21ksoftirqd/109:45:011
106891400,1ptp4l401ktimersoftd/310:42:303
106891400,1ptp4l401ktimersoftd/309:20:133
979799393,11cyclictest0-21swapper/209:32:062
979199399,5cyclictest25-21ksoftirqd/109:40:571
979199398,5cyclictest25-21ksoftirqd/110:16:421
979199397,5cyclictest25-21ksoftirqd/112:26:081
979199396,5cyclictest25-21ksoftirqd/111:59:281
979199394,5cyclictest25-21ksoftirqd/110:41:591
979199394,5cyclictest25-21ksoftirqd/109:38:021
9791993913,6cyclictest25-21ksoftirqd/112:09:221
9791993910,5cyclictest25-21ksoftirqd/112:30:061
106891390,1ptp4l401ktimersoftd/312:33:453
106891390,1ptp4l401ktimersoftd/309:26:423
980199384,29cyclictest16935-21ssh09:35:113
980199383,28cyclictest4817-21apt-get08:15:123
980199383,28cyclictest4817-21apt-get08:15:123
980199382,30cyclictest0-21swapper/311:20:123
980199381,32cyclictest0-21swapper/312:00:143
9797993810,12cyclictest28593-21ssh11:39:372
979199388,5cyclictest25-21ksoftirqd/111:52:211
979199388,5cyclictest25-21ksoftirqd/111:52:211
979199388,5cyclictest25-21ksoftirqd/110:35:421
979199387,5cyclictest25-21ksoftirqd/112:36:091
979199387,5cyclictest25-21ksoftirqd/110:26:341
979199386,5cyclictest25-21ksoftirqd/109:30:491
106891380,1ptp4l401ktimersoftd/312:43:143
106891380,1ptp4l401ktimersoftd/311:32:003
106891380,1ptp4l401ktimersoftd/311:03:063
106891380,1ptp4l401ktimersoftd/310:28:033
106891380,1ptp4l401ktimersoftd/310:01:093
106891380,0ptp4l401ktimersoftd/312:48:203
106891380,0ptp4l401ktimersoftd/308:50:003
980199373,27cyclictest13291-21apt-get07:25:083
9801993717,17cyclictest19694-21grep07:35:253
980199370,4cyclictest2281-21cut09:55:143
9797993710,11cyclictest22449-21ssh12:09:452
979199378,6cyclictest25-21ksoftirqd/109:26:101
979199378,5cyclictest25-21ksoftirqd/111:13:241
979199377,5cyclictest25-21ksoftirqd/111:39:091
9791993710,5cyclictest25-21ksoftirqd/110:52:291
106891370,1ptp4l401ktimersoftd/312:17:423
106891370,1ptp4l401ktimersoftd/312:08:303
106891370,1ptp4l401ktimersoftd/311:50:103
106891370,1ptp4l401ktimersoftd/311:50:103
106891370,1ptp4l401ktimersoftd/310:57:003
106891370,1ptp4l401ktimersoftd/310:54:233
106891370,1ptp4l401ktimersoftd/308:25:433
980199362,26cyclictest22990-21apt-get07:45:083
9797993622,9cyclictest14229-21apt-get12:00:142
979199368,5cyclictest25-21ksoftirqd/110:06:391
979199368,5cyclictest25-21ksoftirqd/110:06:391
979199368,5cyclictest25-21ksoftirqd/109:52:271
979199367,5cyclictest25-21ksoftirqd/112:45:581
979199367,5cyclictest25-21ksoftirqd/111:00:451
979199367,4cyclictest25-21ksoftirqd/109:22:101
979199366,5cyclictest25-21ksoftirqd/110:31:201
979199362,6cyclictest25-21ksoftirqd/110:21:131
9791993610,6cyclictest25-21ksoftirqd/111:26:381
9784993620,8cyclictest101ktimersoftd/011:05:130
106891360,1ptp4l401ktimersoftd/311:17:383
106891360,1ptp4l401ktimersoftd/310:45:553
106891360,1ptp4l401ktimersoftd/310:32:123
106891360,1ptp4l401ktimersoftd/310:15:473
106891360,1ptp4l401ktimersoftd/309:40:393
106891360,0ptp4l401ktimersoftd/307:44:533
980199353,27cyclictest0-21swapper/308:32:303
980199353,24cyclictest24818-21apt-get11:35:133
980199350,4cyclictest11802-21taskset07:21:063
979199357,5cyclictest25-21ksoftirqd/110:55:481
979199357,5cyclictest25-21ksoftirqd/109:59:231
79062356,14sleep10-21swapper/107:15:131
106891350,1ptp4l401ktimersoftd/309:16:183
980199342,25cyclictest31738-21apt-get12:20:163
9801993413,18cyclictest29133-21sed07:55:253
9801993412,18cyclictest24285-21expr08:55:133
980199340,3cyclictest29961-21ssh09:50:103
980199340,3cyclictest29459-21hddtemp_smartct09:05:133
980199340,3cyclictest20637-21/usr/sbin/munin08:45:283
979799346,16cyclictest3379-21diskmemload11:40:472
280782340,4sleep0101ktimersoftd/012:15:230
980199331,26cyclictest0-21swapper/307:50:083
979799337,11cyclictest3379-21diskmemload10:16:302
9797993320,8cyclictest7177-21apt-get08:20:092
9797993320,8cyclictest7177-21apt-get08:20:092
9797993312,18cyclictest4415-21seq11:48:372
9791993314,7cyclictest25-21ksoftirqd/109:08:141
9791993312,6cyclictest25-21ksoftirqd/112:17:451
978499333,19cyclictest8294-21sh12:30:160
9784993317,9cyclictest9-21ksoftirqd/012:35:150
980199326,22cyclictest32233-21grep08:04:563
980199320,4cyclictest13995-21snmp_o5powerctl09:30:253
980199320,3cyclictest11878-21taskset11:55:573
979799329,8cyclictest18374-21snmp_o5powerctl09:35:262
979799326,12cyclictest3379-21diskmemload10:06:182
979799326,12cyclictest3379-21diskmemload10:06:182
979799324,11cyclictest24901-21ssh12:10:432
979799323,9cyclictest15143-21ssh10:10:132
979799323,9cyclictest15143-21ssh10:10:132
9797993221,6cyclictest11696-21apt-get11:20:122
9797993221,5cyclictest2962-21apt-get11:10:132
9797993220,7cyclictest5513-21apt-get11:50:142
9797993220,7cyclictest5513-21apt-get11:50:142
9797993220,6cyclictest1977-21apt-get09:55:102
9797993214,13cyclictest0-21swapper/207:45:082
9797993210,19cyclictest1681-21tune2fs09:15:152
980199317,20cyclictest1001-21ssh11:45:083
980199315,23cyclictest2116-21sh08:09:563
980199315,22cyclictest17924-21ls07:34:563
980199315,22cyclictest14801-21gltestperf08:35:143
9801993111,17cyclictest31880-21basename09:10:153
980199310,3cyclictest3655-21ptp4l08:10:193
979799315,12cyclictest6840-21runrttasks10:36:012
9797993110,18cyclictest22717-21needreboot08:50:192
9791993111,6cyclictest25-21ksoftirqd/111:21:081
980199301,25cyclictest24730-21tail12:10:333
9797993019,6cyclictest13809-21apt-get08:32:302
9797993018,7cyclictest31738-21apt-get12:20:152
9797993012,15cyclictest5409-21sed09:20:272
9797993011,5cyclictest1492-21ssh08:05:242
9791993013,5cyclictest25-21ksoftirqd/108:32:371
9791993012,6cyclictest25-21ksoftirqd/107:38:341
979199301,15cyclictest11392-21snmp_o5powerctl07:20:211
9797992917,6cyclictest25377-21apt-get07:50:082
9797992916,9cyclictest14631-21snmp_o5powerctl07:25:212
9797992914,11cyclictest0-21swapper/208:15:122
9797992914,11cyclictest0-21swapper/208:15:122
9797992913,13cyclictest1598-21munin-run09:54:582
9797992913,11cyclictest0-21swapper/209:45:102
9797992911,14cyclictest8058-21unixbench-2d10:00:292
979199298,5cyclictest25-21ksoftirqd/108:06:331
9791992911,6cyclictest25-21ksoftirqd/111:16:221
979199290,14cyclictest26713-21snmp_o5powerctl07:50:201
979199290,14cyclictest15373-21munin-run07:29:561
9784992922,4cyclictest9-21ksoftirqd/009:47:320
89992295,11sleep20-21swapper/207:15:262
980199285,20cyclictest16785-21cpuspeed_turbos08:40:103
980199281,5cyclictest26899-21fschecks_count09:00:153
979799289,16cyclictest28790-21snmp_o5powerctl12:15:282
979799289,16cyclictest19548-21ssh11:28:592
9797992821,4cyclictest33-21ksoftirqd/210:58:222
9797992817,6cyclictest9544-21apt-get08:25:102
9797992815,8cyclictest3786-21snmp_o5powerctl08:10:232
9797992810,7cyclictest14449-21cut10:45:192
9797992810,15cyclictest24167-21ssh12:47:352
9797992810,15cyclictest1055-21runrttasks08:01:262
979199289,4cyclictest25-21ksoftirqd/109:18:291
9791992812,6cyclictest25-21ksoftirqd/108:26:021
979799279,15cyclictest16032-21users08:35:272
9797992715,8cyclictest24102-21taskset10:20:142
9797992710,14cyclictest3379-21diskmemload11:19:542
9791992716,6cyclictest2445-21apt-get08:10:101
979199270,7cyclictest25-21ksoftirqd/108:15:251
979199270,7cyclictest25-21ksoftirqd/108:15:251
978499274,11cyclictest19520-21ssh10:15:130
9784992722,3cyclictest9-21ksoftirqd/009:28:010
9784992721,4cyclictest9-21ksoftirqd/007:39:560
979799269,14cyclictest20376-21/usr/sbin/munin11:30:152
979799267,17cyclictest0-21swapper/210:25:272
9797992614,8cyclictest28048-21snmp_o5powerctl11:00:252
9797992613,10cyclictest28981-21/usr/sbin/munin09:05:082
9797992613,10cyclictest17741-21ls07:34:562
9797992611,12cyclictest25164-21phc2sys-jitter08:55:202
9797992611,11cyclictest21324-21cat08:49:582
9797992610,13cyclictest21109-21hddtemp_smartct07:40:142
9797992610,13cyclictest10894-21memory11:55:222
979199268,5cyclictest25-21ksoftirqd/107:48:221
979199266,5cyclictest25-21ksoftirqd/107:39:571
979199264,4cyclictest25-21ksoftirqd/108:20:261
979199264,4cyclictest25-21ksoftirqd/108:20:261
9784992620,4cyclictest9-21ksoftirqd/007:57:120
9784992619,4cyclictest9-21ksoftirqd/008:18:040
9784992619,4cyclictest9-21ksoftirqd/008:18:040
979799255,18cyclictest0-21swapper/207:20:122
9797992514,8cyclictest26673-21/usr/sbin/munin09:00:132
9797992513,9cyclictest28724-21/usr/sbin/munin07:55:172
9797992513,9cyclictest19475-21/usr/sbin/munin07:35:242
9797992513,9cyclictest13882-21ps12:35:252
9797992512,10cyclictest8288-21/usr/sbin/munin12:30:162
979199258,4cyclictest25-21ksoftirqd/107:55:551
9784992519,3cyclictest9-21ksoftirqd/008:14:060
9784992518,4cyclictest9-21ksoftirqd/007:51:220
9784992518,4cyclictest9-21ksoftirqd/007:30:070
979799247,14cyclictest3301-21apt-get12:25:052
9797992413,8cyclictest8424-21ssh09:25:132
9797992413,8cyclictest31506-21cpuspeed_turbos09:10:112
9797992413,8cyclictest30944-21runrttasks11:05:132
9797992412,9cyclictest17310-21/usr/sbin/munin08:40:152
979199248,5cyclictest25-21ksoftirqd/109:13:171
9784992419,3cyclictest9-21ksoftirqd/008:09:280
9784992417,4cyclictest9-21ksoftirqd/012:29:440
9784992417,4cyclictest9-21ksoftirqd/010:45:210
9784992417,4cyclictest9-21ksoftirqd/008:37:190
9784992417,4cyclictest9-21ksoftirqd/008:03:150
9784992417,4cyclictest9-21ksoftirqd/007:44:520
110502240,2sleep00-21swapper/008:25:270
979199237,6cyclictest25-21ksoftirqd/107:29:591
979199237,4cyclictest25-21ksoftirqd/108:57:031
978499233,9cyclictest22272-21ssh10:55:130
9784992317,3cyclictest9-21ksoftirqd/008:43:570
9784992317,3cyclictest9-21ksoftirqd/007:27:240
9784992316,4cyclictest9-21ksoftirqd/008:22:290
9784992316,4cyclictest9-21ksoftirqd/008:22:290
9784992315,5cyclictest12906-21uniq09:30:160
9784992216,3cyclictest9-21ksoftirqd/007:48:390
9784992215,4cyclictest9-21ksoftirqd/009:08:020
9784992215,4cyclictest9-21ksoftirqd/009:03:400
978499221,19cyclictest0-21swapper/011:45:220
978499220,4cyclictest21912-21/usr/sbin/munin09:40:170
277652220,2sleep00-21swapper/011:37:530
9784992115,3cyclictest9-21ksoftirqd/009:11:270
9784992115,3cyclictest9-21ksoftirqd/007:23:290
9784992115,3cyclictest6500-21grep10:35:310
9784992115,3cyclictest3294-21sh12:25:020
9784992115,3cyclictest12227-21sh10:43:080
9784992114,4cyclictest6019-21sed11:50:190
9784992114,4cyclictest6019-21sed11:50:190
9784992114,4cyclictest17354-21grep09:35:150
9784992113,5cyclictest23294-21grep08:50:270
978499210,19cyclictest3379-21diskmemload12:00:310
978499210,18cyclictest3379-21diskmemload11:29:440
978499203,7cyclictest3379-21diskmemload12:10:150
9784992014,4cyclictest2881-21/usr/sbin/munin11:10:200
9784992014,3cyclictest16360-21ps10:10:220
9784992014,3cyclictest16360-21ps10:10:220
978499201,3cyclictest3404-21snmp_o5powerctl09:55:230
978499201,3cyclictest19495-21ssh12:41:550
9784992013,4cyclictest3379-21diskmemload10:20:130
9784992013,4cyclictest12330-21gltestperf08:30:130
978499201,17cyclictest0-21swapper/011:15:210
978499200,18cyclictest0-21swapper/011:33:540
978499193,5cyclictest0-21swapper/011:40:150
9784991914,3cyclictest3379-21diskmemload10:50:290
9784991913,3cyclictest32746-21/usr/sbin/munin10:30:110
9784991912,4cyclictest19601-21sed12:05:220
978499191,16cyclictest0-21swapper/010:05:240
978499191,16cyclictest0-21swapper/010:05:240
9784991911,5cyclictest4817-21missed_timers09:20:180
978499191,15cyclictest12025-21grep11:20:160
978499190,16cyclictest28427-21apt-get10:25:100
9784991812,3cyclictest25163-21cut08:55:200
9784991711,3cyclictest19201-21cut08:45:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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