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2026-05-05 - 18:12
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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 rackcslot2.osadl.org (updated Tue May 05, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
48622680,0sleep10-21swapper/111:19:111
2309326856,8sleep10-21swapper/107:05:241
2305126553,8sleep00-21swapper/007:04:570
23621994010,0cyclictest0-21swapper/107:56:171
23621993210,21cyclictest5982-21kworker/1:009:18:321
23620993232,0cyclictest7-21ksoftirqd/009:23:420
2362099300,1cyclictest167-21systemd-journal09:39:010
23620992928,1cyclictest7-21ksoftirqd/007:29:010
2362199282,25cyclictest18551-21kworker/1:110:46:001
23621992711,8cyclictest0-21swapper/109:32:311
23620992616,5cyclictest23618-21cyclictest09:15:010
2362099260,22cyclictest20865-21ntp_states11:39:180
23621992525,0cyclictest0-21swapper/111:28:081
2362199251,23cyclictest26000-21cat08:39:001
23621992511,1cyclictest0-21swapper/108:59:261
23620992525,0cyclictest0-21swapper/008:51:500
23620992523,1cyclictest0-21swapper/007:29:180
23620992510,6cyclictest0-21swapper/010:58:000
2362199249,14cyclictest19228-21kworker/u4:111:44:141
23621992410,13cyclictest0-21swapper/112:37:341
2362099247,8cyclictest0-21swapper/009:24:190
23620992422,1cyclictest7-21ksoftirqd/011:19:010
23620992410,0cyclictest0-21swapper/010:52:570
2362099240,19cyclictest0-21swapper/012:30:180
76822310,1sleep00-21swapper/011:54:490
273722230,0sleep10-21swapper/108:39:221
2362199235,12cyclictest0-21swapper/109:34:171
2362199233,19cyclictest2325-21/usr/sbin/munin10:34:131
23621992323,0cyclictest0-21swapper/112:16:051
23621992322,1cyclictest1042-21apache211:17:071
23621992321,1cyclictest636-21nscd10:19:361
23621992320,2cyclictest12220-21ssh11:29:011
23621992318,2cyclictest231ktimersoftd/107:29:131
23621992310,6cyclictest0-21swapper/107:49:131
23621992310,5cyclictest0-21swapper/111:09:221
2362199230,2cyclictest0-21swapper/109:11:221
23620992320,2cyclictest0-21swapper/012:15:380
23620992310,6cyclictest0-21swapper/011:12:010
2362199225,16cyclictest2995-21kworker/1:212:19:061
2362199223,5cyclictest0-21swapper/110:29:021
23621992221,1cyclictest0-21swapper/110:05:351
23621992221,1cyclictest0-21swapper/108:10:051
23621992210,3cyclictest0-21swapper/112:24:321
2362099225,10cyclictest0-21swapper/010:41:460
23620992222,0cyclictest0-21swapper/007:36:220
23620992221,1cyclictest0-21swapper/007:49:520
23620992210,1cyclictest0-21swapper/009:48:370
2362099220,15cyclictest0-21swapper/012:24:440
23621992118,2cyclictest11051-21diskstats12:09:131
23621992116,4cyclictest10033-21apache207:19:011
23621992115,4cyclictest1069-21apache211:39:511
23621992110,7cyclictest0-21swapper/110:50:581
23621992110,7cyclictest0-21swapper/107:24:131
23621992110,6cyclictest0-21swapper/112:29:131
23621992110,6cyclictest0-21swapper/110:14:081
23621992110,4cyclictest0-21swapper/110:28:091
23621992110,4cyclictest0-21swapper/110:12:581
23621992110,1cyclictest0-21swapper/112:04:251
2362099218,4cyclictest0-21swapper/010:37:270
2362099215,12cyclictest0-21swapper/011:19:170
2362099213,11cyclictest0-21swapper/009:41:290
23620992120,1cyclictest10061-21apache207:19:070
23620992119,1cyclictest7-21ksoftirqd/012:04:190
23620992110,8cyclictest0-21swapper/007:46:590
23620992110,5cyclictest0-21swapper/010:13:120
23620992110,2cyclictest0-21swapper/010:09:000
2362099210,3cyclictest0-21swapper/011:24:460
2362099210,20cyclictest0-21swapper/011:59:530
2362199209,7cyclictest13183-21kworker/1:008:49:241
2362199205,14cyclictest0-21swapper/108:19:121
2362199204,13cyclictest0-21swapper/108:44:181
23621992012,5cyclictest0-21swapper/110:39:131
23621992010,7cyclictest0-21swapper/111:04:171
23621992010,6cyclictest0-21swapper/109:44:161
23621992010,5cyclictest0-21swapper/109:27:151
23621992010,3cyclictest0-21swapper/110:56:061
2362099208,4cyclictest585-21gmain10:33:510
2362099207,9cyclictest1069-21apache211:07:140
2362099204,8cyclictest0-21swapper/010:24:210
2362099203,9cyclictest0-21swapper/012:34:120
23620992020,0cyclictest7-21ksoftirqd/009:56:230
23620992018,1cyclictest0-21swapper/011:51:060
23620992015,3cyclictest1199-21runrttasks11:00:430
23620992010,5cyclictest0-21swapper/009:04:180
23620992010,5cyclictest0-21swapper/008:44:170
23620992010,4cyclictest0-21swapper/008:54:170
23620992010,3cyclictest0-21swapper/011:34:020
23620992010,3cyclictest0-21swapper/007:09:130
23620992010,1cyclictest0-21swapper/009:34:010
2362199196,5cyclictest0-21swapper/107:39:111
2362199193,15cyclictest0-21swapper/109:58:361
23621991918,1cyclictest1042-21apache211:38:261
23621991916,1cyclictest231ktimersoftd/107:14:141
23621991911,5cyclictest1069-21apache209:43:451
23621991910,5cyclictest0-21swapper/107:44:171
23621991910,4cyclictest0-21swapper/109:59:161
2362099195,11cyclictest0-21swapper/011:44:120
2362099191,7cyclictest9819-21apache_accesses10:44:100
23620991916,1cyclictest7-21ksoftirqd/008:24:190
23620991915,2cyclictest1042-21apache208:21:410
23620991911,4cyclictest0-21swapper/010:14:130
23620991910,6cyclictest0-21swapper/012:22:120
23620991910,4cyclictest0-21swapper/011:30:100
23620991910,4cyclictest0-21swapper/010:19:090
23620991910,4cyclictest0-21swapper/010:02:060
23620991910,4cyclictest0-21swapper/009:09:120
23621991818,0cyclictest100250irq/107-eth1-rx11:54:551
23621991815,2cyclictest31828-21/usr/sbin/munin08:54:201
23621991811,6cyclictest100150irq/106-eth1-rx10:59:231
2362199181,11cyclictest0-21swapper/107:59:121
23621991810,3cyclictest0-21swapper/111:49:331
2362199180,13cyclictest0-21swapper/109:19:151
2362099185,8cyclictest0-21swapper/012:09:170
2362099184,8cyclictest0-21swapper/008:04:180
2362099184,7cyclictest0-21swapper/008:39:140
2362099183,11cyclictest0-21swapper/008:14:120
23620991814,3cyclictest23618-21cyclictest09:03:560
23620991811,1cyclictest0-21swapper/007:40:550
23620991810,3cyclictest0-21swapper/008:04:010
23621991710,6cyclictest100150irq/106-eth1-rx09:50:161
23621991710,2cyclictest0-21swapper/108:24:121
2362099174,6cyclictest0-21swapper/008:29:220
23620991710,3cyclictest0-21swapper/009:49:020
2362199163,8cyclictest0-21swapper/107:09:191
2362199163,6cyclictest0-21swapper/107:34:011
23621991616,0cyclictest0-21swapper/109:04:111
23621991611,2cyclictest1199-21runrttasks08:29:491
23621991610,2cyclictest0-21swapper/108:14:161
2362099162,10cyclictest0-21swapper/007:19:010
23620991612,2cyclictest802-21apache207:57:240
1589221610,0sleep00-21swapper/008:09:400
2362199153,6cyclictest0-21swapper/111:59:161
23621991510,4cyclictest13183-21kworker/1:008:06:401
2362099151,5cyclictest0-21swapper/008:34:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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