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2025-12-30 - 19:00
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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
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack0slot2.osadl.org (updated Tue Dec 30, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14435822950,1sleep5741rcuc/510:29:105
104401025646,7sleep60-21swapper/607:05:366
104406525343,7sleep40-21swapper/407:06:224
104401125318,31sleep70-21swapper/707:05:377
1044511994542,2cyclictest971236-21kworker/u16:4+flush-8:007:23:484
1044511994038,2cyclictest1221558-21kworker/u16:5+events_unbound08:38:484
104420923928,8sleep50-21swapper/507:08:245
1044519993731,5cyclictest1232485-21latency_hist08:43:487
1044516993634,2cyclictest1572048-21kworker/u16:1+flush-8:012:34:015
1044516993533,2cyclictest1251509-21kworker/u16:0+events_unbound11:59:095
1044516993432,2cyclictest1136651-21kworker/u16:4+flush-8:008:09:145
1044516993431,2cyclictest1041113-21kworker/u16:0+events_unbound07:19:025
1044519993329,3cyclictest650-21systemd-journal12:03:477
1044518993330,2cyclictest1067549-21kworker/u16:2+flush-8:007:59:036
1044516993331,2cyclictest1251509-21kworker/u16:0+flush-8:009:43:485
1044511993331,2cyclictest1251509-21kworker/u16:0+flush-8:010:18:474
1044511993331,2cyclictest1251509-21kworker/u16:0+flush-8:010:18:474
1044518993229,2cyclictest1236790-21kworker/u16:2+flush-8:009:29:136
1044516993229,2cyclictest1173946-21kworker/u16:1+events_unbound08:39:065
1044511993230,2cyclictest1251509-21kworker/u16:0+flush-8:010:13:474
10649022300,1chrt1064901-21cut07:14:107
1044518993027,2cyclictest1251509-21kworker/u16:0+flush-8:010:54:136
1044511992825,2cyclictest1650889-21kworker/u16:2+flush-8:012:34:124
1044518992724,2cyclictest971236-21kworker/u16:4+flush-8:007:09:056
1044516992724,2cyclictest1096740-21kworker/u16:0+events_unbound07:54:035
1044511992725,2cyclictest1426200-21kworker/u16:1+flush-8:010:33:434
1044516992624,2cyclictest1508583-21kworker/u16:3+events_unbound11:04:105
1044516992624,2cyclictest1465560-21kworker/u16:4+flush-8:012:04:075
1044516992624,2cyclictest1446134-21kworker/u16:3+flush-8:010:39:135
1044516992623,2cyclictest1523549-21kworker/u16:2+events_unbound11:14:065
1044511992623,2cyclictest1261769-21kworker/u16:1+flush-8:008:59:054
1044511992622,3cyclictest1251509-21kworker/u16:0+flush-8:010:19:054
1044511992521,3cyclictest971236-21kworker/u16:4+flush-8:007:14:144
13018942240,1chrt0-21swapper/409:19:064
1044511992421,2cyclictest1523549-21kworker/u16:2+events_unbound11:19:024
1044511992421,2cyclictest1465560-21kworker/u16:4+events_unbound12:19:134
1044511992420,3cyclictest1236790-21kworker/u16:2+flush-8:009:09:054
15963962230,1chrt0-21swapper/611:49:086
15963962230,1chrt0-21swapper/611:49:086
10842572230,1chrt0-21swapper/507:24:095
1044511992320,2cyclictest1251509-21kworker/u16:0+events_unbound10:44:144
1044518992220,1cyclictest0-21swapper/610:09:486
1044511992220,2cyclictest1251509-21kworker/u16:0+events_unbound10:58:424
1044511992220,2cyclictest1067549-21kworker/u16:2+flush-8:007:44:194
1044518992115,6cyclictest0-21swapper/609:59:486
1044516992119,2cyclictest1236790-21kworker/u16:2+events_unbound08:44:135
1044511992118,2cyclictest1251509-21kworker/u16:0+flush-8:009:14:194
1044516992016,3cyclictest1610853-21pool-/usr/libex11:58:445
1044511992018,2cyclictest1251509-21kworker/u16:0+flush-8:009:54:144
12130872190,0sleep40-21swapper/408:33:474
1044519991917,1cyclictest1280972-21munin-run09:08:487
1044516991917,2cyclictest1465560-21kworker/u16:4+flush-8:012:19:195
1044516991917,2cyclictest1067549-21kworker/u16:2+events_unbound07:39:145
1044516991916,2cyclictest1194033-21kworker/u16:0+events_unbound08:24:135
1044519991815,2cyclictest1267-21snmpd12:33:077
1044519991814,3cyclictest1271429-21latency_hist09:03:487
1044516991816,2cyclictest1436383-21kworker/u16:2+flush-8:011:00:545
1044516991816,2cyclictest1251509-21kworker/u16:0+events_unbound09:29:065
1044516991814,3cyclictest1465560-21kworker/u16:4+events_unbound12:14:005
1044511991816,2cyclictest1221558-21kworker/u16:5+events_unbound08:54:054
1044511991815,2cyclictest1465560-21kworker/u16:4+flush-8:011:58:574
14524272170,0sleep71452428-21grep10:34:097
1044519991713,3cyclictest1267-21snmpd08:26:367
1044518991715,2cyclictest1290353-21kworker/u16:3+flush-8:009:54:216
1044518991715,2cyclictest1041113-21kworker/u16:0+flush-8:007:14:196
1044516991715,2cyclictest1041113-21kworker/u16:0+events_unbound07:14:035
1044516991714,2cyclictest1339166-21kworker/u16:4+flush-8:010:24:075
1044516991614,2cyclictest1290353-21kworker/u16:3+events_unbound09:54:015
1044516991613,2cyclictest1572048-21kworker/u16:1+events_unbound12:09:015
1044511991614,2cyclictest1067549-21kworker/u16:2+events_unbound07:59:104
1044519991512,2cyclictest0-21swapper/707:39:117
1044519991511,3cyclictest1267-21snmpd11:00:297
1044519991511,3cyclictest1267-21snmpd09:39:147
1044519991511,3cyclictest1165728-21cat08:09:047
104451999151,12cyclictest1076342-21ntpq07:19:147
1044519991510,4cyclictest1581800-21latency_hist11:43:477
1044519991510,4cyclictest1523509-21latency_hist11:13:487
104451999150,13cyclictest1467682-21grep10:44:067
1044518991514,1cyclictest0-21swapper/608:59:116
1044518991513,2cyclictest1465560-21kworker/u16:4+events_unbound11:58:446
104451899150,14cyclictest0-21swapper/609:08:586
1044516991513,2cyclictest1236790-21kworker/u16:2+flush-8:008:54:195
1044511991512,2cyclictest1339166-21kworker/u16:4+flush-8:009:59:194
104451999149,4cyclictest1126926-21cat07:49:037
104451999149,4cyclictest1126926-21cat07:49:037
104451999148,5cyclictest1426302-21latency_hist10:23:487
104451999146,7cyclictest0-21swapper/712:25:107
1044519991411,2cyclictest1367170-21ntpq09:49:167
1044519991411,2cyclictest0-21swapper/710:29:137
1044519991410,3cyclictest1153940-21ntpq07:59:167
1044519991410,2cyclictest1542968-21munin-run11:23:477
104451999140,4cyclictest1610837-21pool-gnome-soft11:58:417
104451999140,13cyclictest1436015-21turbostat10:28:477
104451999140,12cyclictest1144219-21ntpq07:54:137
1044516991413,1cyclictest0-21swapper/508:29:105
1044516991412,2cyclictest1650889-21kworker/u16:2+flush-8:012:29:045
1044516991412,2cyclictest1465560-21kworker/u16:4+flush-8:011:49:125
1044516991412,2cyclictest1465560-21kworker/u16:4+flush-8:011:49:125
1044516991412,2cyclictest1290353-21kworker/u16:3+flush-8:009:48:435
1044516991412,2cyclictest1236790-21kworker/u16:2+events_unbound09:24:055
1044516991412,2cyclictest1236790-21kworker/u16:2+events_unbound09:24:055
1044516991412,2cyclictest1067549-21kworker/u16:2+events_unbound07:44:015
1044511991412,2cyclictest1523549-21kworker/u16:2+flush-8:011:14:184
14227752130,1sleep50-21swapper/510:19:095
104451999139,3cyclictest1267-21snmpd09:46:217
104451999139,3cyclictest1267-21snmpd09:34:537
104451999139,3cyclictest1267-21snmpd09:22:057
104451999139,3cyclictest1267-21snmpd08:55:167
104451999139,3cyclictest1267-21snmpd08:23:457
104451999138,4cyclictest650-21systemd-journal10:53:477
104451999138,4cyclictest1680157-21cat12:34:027
104451999134,8cyclictest1267-21snmpd09:09:407
104451999134,8cyclictest1214433-21sed08:34:077
1044519991310,2cyclictest1105478-21ntpq07:34:157
104451999130,4cyclictest1623444-21kthreadcore12:04:077
104451999130,3cyclictest1590539-21ntp_offset11:44:137
104451999130,2cyclictest1378684-21diskstats09:59:027
104451999130,2cyclictest1291052-21/usr/sbin/munin09:14:137
104451999130,12cyclictest1163655-21ntpq08:04:197
1044518991312,1cyclictest0-21swapper/612:29:116
1044518991312,1cyclictest0-21swapper/610:50:586
1044516991312,1cyclictest0-21swapper/509:10:475
1044516991311,2cyclictest1236790-21kworker/u16:2+flush-8:009:04:175
104451699130,1cyclictest0-21swapper/510:14:285
104451699130,1cyclictest0-21swapper/510:14:285
1044511991311,2cyclictest1173946-21kworker/u16:1+flush-8:008:44:194
104451999129,2cyclictest1267-21snmpd07:09:387
104451999128,3cyclictest6053-21gmain10:09:167
104451999128,3cyclictest1415684-21ntpq10:14:127
104451999128,3cyclictest1415684-21ntpq10:14:127
104451999128,3cyclictest1267-21snmpd12:20:017
104451999128,3cyclictest1267-21snmpd11:07:327
104451999128,3cyclictest1267-21snmpd08:29:007
104451999128,2cyclictest1267-21snmpd11:14:507
104451999127,4cyclictest1369249-21cat09:54:037
104451999127,4cyclictest1311130-21cat09:24:047
104451999127,4cyclictest1311130-21cat09:24:047
104451999127,4cyclictest1088163-21cat07:29:057
104451999121,10cyclictest1562764-21/usr/sbin/munin11:34:117
104451999120,5cyclictest1457102-21kthreadcore10:39:097
104451999120,3cyclictest1242534-21/usr/sbin/munin08:49:167
104451999120,11cyclictest1267-21snmpd10:04:157
104451999120,11cyclictest1181540-21kthreadcore08:14:117
104451999120,10cyclictest1267-21snmpd10:53:527
104451899128,3cyclictest1465560-21kworker/u16:4+flush-8:011:59:146
1044518991211,1cyclictest0-21swapper/610:40:436
1044518991211,1cyclictest0-21swapper/609:15:266
104451899120,1cyclictest0-21swapper/612:36:076
104451899120,1cyclictest0-21swapper/610:30:286
104451899120,11cyclictest0-21swapper/611:08:566
1044516991210,2cyclictest1339166-21kworker/u16:4+flush-8:009:59:135
1044516991210,2cyclictest1076346-21kworker/u16:3+events_unbound07:29:065
104451699120,12cyclictest0-21swapper/510:07:425
104451699120,12cyclictest0-21swapper/508:22:515
104451699120,0cyclictest0-21swapper/511:09:585
1044511991211,1cyclictest0-21swapper/412:23:484
1044511991211,1cyclictest0-21swapper/411:29:054
1044511991211,1cyclictest0-21swapper/408:10:364
1044511991210,2cyclictest1446134-21kworker/u16:3+events_unbound10:39:044
104451199120,1cyclictest0-21swapper/412:17:104
104451199120,1cyclictest0-21swapper/408:42:554
104451199120,12cyclictest0-21swapper/410:05:134
104451999117,3cyclictest1320041-21/usr/sbin/munin09:29:177
104451999117,3cyclictest0-21swapper/711:49:057
104451999117,3cyclictest0-21swapper/711:49:057
104451999116,4cyclictest1543641-21cstates11:24:007
104451999110,4cyclictest1644139-21kthreadcore12:14:077
104451999110,4cyclictest1555434-21kthreadcore11:29:067
104451999110,3cyclictest1235591-21tr08:44:087
104451999110,10cyclictest1126015-21latency_hist07:48:487
104451899119,2cyclictest1136651-21kworker/u16:4+flush-8:008:29:136
104451899118,2cyclictest1096740-21kworker/u16:0+flush-8:007:33:536
1044518991110,1cyclictest0-21swapper/612:08:416
1044518991110,1cyclictest0-21swapper/611:44:246
1044518991110,1cyclictest0-21swapper/611:01:326
1044518991110,1cyclictest0-21swapper/610:27:006
1044518991110,1cyclictest0-21swapper/609:41:556
1044518991110,1cyclictest0-21swapper/608:46:166
1044518991110,1cyclictest0-21swapper/607:18:556
104451899110,11cyclictest0-21swapper/612:22:246
104451899110,11cyclictest0-21swapper/609:45:136
104451899110,11cyclictest0-21swapper/609:35:086
104451899110,11cyclictest0-21swapper/608:39:486
104451899110,11cyclictest0-21swapper/608:20:156
104451899110,11cyclictest0-21swapper/607:45:056
104451899110,11cyclictest0-21swapper/607:26:396
104451899110,0cyclictest0-21swapper/610:37:246
104451699119,2cyclictest1236790-21kworker/u16:2+flush-8:009:34:185
1044516991110,1cyclictest0-21swapper/512:26:265
1044516991110,1cyclictest0-21swapper/511:41:585
1044516991110,1cyclictest0-21swapper/511:28:065
1044516991110,1cyclictest0-21swapper/511:20:515
1044516991110,1cyclictest0-21swapper/510:48:415
1044516991110,1cyclictest0-21swapper/510:34:585
1044516991110,1cyclictest0-21swapper/509:20:245
1044516991110,1cyclictest0-21swapper/508:00:005
104451699110,0cyclictest0-21swapper/511:45:265
104451199119,2cyclictest971236-21kworker/u16:4+flush-8:007:09:034
1044511991110,1cyclictest0-21swapper/411:49:444
1044511991110,1cyclictest0-21swapper/411:49:444
1044511991110,1cyclictest0-21swapper/409:44:244
1044511991110,1cyclictest0-21swapper/408:52:234
1044511991110,1cyclictest0-21swapper/408:17:044
1044511991110,1cyclictest0-21swapper/407:54:414
1044511991110,1cyclictest0-21swapper/407:39:234
104451199110,11cyclictest0-21swapper/411:46:264
104451199110,11cyclictest0-21swapper/411:36:114
104451199110,11cyclictest0-21swapper/409:27:514
104451199110,11cyclictest0-21swapper/409:27:514
104451999107,2cyclictest1630969-21cat12:09:017
104451999106,3cyclictest1077648-21/usr/sbin/munin07:24:027
104451899109,1cyclictest0-21swapper/611:34:006
104451899109,1cyclictest0-21swapper/610:16:366
104451899109,1cyclictest0-21swapper/610:16:366
104451899109,1cyclictest0-21swapper/609:21:536
104451899109,1cyclictest0-21swapper/608:13:476
104451899109,1cyclictest0-21swapper/608:07:106
104451899107,2cyclictest1096740-21kworker/u16:0+flush-8:007:39:146
104451699109,1cyclictest0-21swapper/510:55:185
104451699109,1cyclictest0-21swapper/510:52:005
104451699109,1cyclictest0-21swapper/509:17:155
104451699109,1cyclictest0-21swapper/509:01:105
104451699108,2cyclictest1251509-21kworker/u16:0+flush-8:009:49:135
104451699108,2cyclictest1024741-21kworker/u16:1+flush-8:007:09:125
104451199109,1cyclictest0-21swapper/412:10:144
104451199109,1cyclictest0-21swapper/412:06:554
104451199109,1cyclictest0-21swapper/411:11:074
104451199109,1cyclictest0-21swapper/410:35:584
104451199108,2cyclictest1290353-21kworker/u16:3+flush-8:009:49:194
104451199107,2cyclictest1251509-21kworker/u16:0+flush-8:009:38:584
10445189998,1cyclictest0-21swapper/612:25:436
10445189998,1cyclictest0-21swapper/611:40:566
10445189998,1cyclictest0-21swapper/611:30:326
10445189998,1cyclictest0-21swapper/610:19:546
10445189998,1cyclictest0-21swapper/610:06:116
10445189998,1cyclictest0-21swapper/609:25:036
10445189998,1cyclictest0-21swapper/609:25:036
10445189998,1cyclictest0-21swapper/607:54:146
10445189998,1cyclictest0-21swapper/607:51:146
10445189998,1cyclictest0-21swapper/607:51:146
10445169998,1cyclictest0-21swapper/511:31:345
10445169998,1cyclictest0-21swapper/508:51:335
10445169997,2cyclictest1173946-21kworker/u16:1+events_unbound08:34:095
10445119999,0cyclictest0-21swapper/407:51:414
10445119999,0cyclictest0-21swapper/407:51:414
10445119998,1cyclictest0-21swapper/411:56:414
10445119998,1cyclictest0-21swapper/411:07:294
10445119998,1cyclictest0-21swapper/409:34:194
10445119998,1cyclictest0-21swapper/408:20:134
10445119998,1cyclictest0-21swapper/408:03:594
10445119998,1cyclictest0-21swapper/407:36:244
10445119998,1cyclictest0-21swapper/407:30:154
10445189987,1cyclictest0-21swapper/612:15:186
10445189987,1cyclictest0-21swapper/611:05:096
10445189987,1cyclictest0-21swapper/610:44:026
10445189987,1cyclictest0-21swapper/608:49:256
10445189987,1cyclictest0-21swapper/608:36:296
10445189986,2cyclictest1465560-21kworker/u16:4+flush-8:011:24:016
10445189980,3cyclictest0-21swapper/609:49:486
10445169987,1cyclictest0-21swapper/508:16:145
10445169986,2cyclictest1076346-21kworker/u16:3+flush-8:007:38:195
10445169981,2cyclictest1508641-21abrt-dump-journ10:08:485
10445119987,1cyclictest0-21swapper/411:42:584
10445119987,1cyclictest0-21swapper/411:25:284
10445119987,1cyclictest0-21swapper/407:24:254
10445119986,2cyclictest1173946-21kworker/u16:1+flush-8:008:28:424
10445119982,2cyclictest0-21swapper/409:08:284
10445189976,1cyclictest0-21swapper/608:55:536
10445169975,2cyclictest1096740-21kworker/u16:0+flush-8:007:49:135
10445169975,2cyclictest1096740-21kworker/u16:0+flush-8:007:49:135
10445169975,2cyclictest1076346-21kworker/u16:3+flush-8:008:03:585
10445119976,1cyclictest0-21swapper/412:30:344
10445119976,1cyclictest0-21swapper/410:49:314
10445119976,1cyclictest0-21swapper/410:25:434
10445119970,5cyclictest0-21swapper/409:29:574
10445189965,1cyclictest0-21swapper/611:16:116
10445189965,1cyclictest0-21swapper/609:05:396
10445189965,1cyclictest0-21swapper/608:26:436
10445189963,2cyclictest1551669-21dockerd11:20:306
10445189961,4cyclictest1551679-21dockerd12:13:216
10445169965,1cyclictest0-21swapper/511:38:305
10445189950,4cyclictest1183170-21chrt08:14:186
10445189950,4cyclictest1096430-21taskset07:30:036
10445119951,3cyclictest5750-21gmain10:58:574
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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