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2026-05-08 - 20:02
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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 Fri May 08, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1786026957,8sleep10-21swapper/107:08:191
1780826849,8sleep00-21swapper/007:07:480
18107993434,0cyclictest0-21swapper/110:07:571
18107993333,0cyclictest0-21swapper/110:29:451
18106993210,16cyclictest0-21swapper/009:10:040
18106993010,6cyclictest0-21swapper/010:25:390
18106993010,1cyclictest0-21swapper/011:58:360
1810699290,27cyclictest10354-21fw_packets11:24:120
1810799280,3cyclictest6792-21/usr/sbin/munin11:19:171
18106992810,3cyclictest0-21swapper/011:17:180
18106992810,18cyclictest0-21swapper/012:14:220
18107992710,12cyclictest0-21swapper/111:46:481
18106992725,1cyclictest17835-21ssh10:12:070
18106992710,2cyclictest0-21swapper/012:27:360
1810699270,8cyclictest0-21swapper/009:33:310
18107992617,5cyclictest27969-21apache212:12:181
18107992610,3cyclictest0-21swapper/110:11:421
18107992610,12cyclictest0-21swapper/112:21:101
1810799250,1cyclictest0-21swapper/108:09:161
18106992510,5cyclictest0-21swapper/009:54:430
1810699250,7cyclictest9193-21ssh11:22:470
18107992410,11cyclictest0-21swapper/111:31:531
1810799240,21cyclictest0-21swapper/110:45:271
18106992410,8cyclictest0-21swapper/011:42:260
18106992410,6cyclictest0-21swapper/007:59:170
1810799236,10cyclictest0-21swapper/108:34:161
1810799232,17cyclictest32021-21diskmemload10:43:211
18107992312,7cyclictest636-21nscd10:51:421
1810799230,0cyclictest0-21swapper/111:58:481
18106992321,1cyclictest81ktimersoftd/007:39:100
18106992321,1cyclictest0-21swapper/009:26:300
18106992318,4cyclictest0-21swapper/010:39:420
18106992310,8cyclictest0-21swapper/009:35:030
18106992310,7cyclictest0-21swapper/010:15:210
18107992222,0cyclictest100150irq/106-eth1-rx09:16:441
1810799222,10cyclictest0-21swapper/109:19:151
18107992212,9cyclictest0-21swapper/109:27:171
18107992210,3cyclictest0-21swapper/110:24:001
18107992210,3cyclictest0-21swapper/110:19:171
18106992216,5cyclictest31794-21ssh12:31:300
18106992213,3cyclictest0-21swapper/009:43:470
1810699221,16cyclictest0-21swapper/011:34:130
18106992210,4cyclictest0-21swapper/009:23:280
1792622219,1sleep10-21swapper/107:08:591
1810799213,13cyclictest0-21swapper/112:14:101
18107992120,0cyclictest0-21swapper/109:30:001
18107992119,0cyclictest0-21swapper/111:42:271
18107992116,4cyclictest27969-21apache212:08:311
18107992116,3cyclictest0-21swapper/108:22:501
18107992113,4cyclictest27996-21apache209:42:111
18107992111,7cyclictest0-21swapper/110:01:521
18107992110,8cyclictest0-21swapper/110:54:471
18107992110,5cyclictest0-21swapper/112:24:101
1810699212,19cyclictest0-21swapper/011:07:100
1810699212,18cyclictest0-21swapper/010:20:520
18106992110,2cyclictest0-21swapper/012:19:170
18106992110,2cyclictest0-21swapper/010:49:060
18106992110,1cyclictest0-21swapper/007:29:160
812522010,0sleep00-21swapper/008:04:190
312722010,0sleep10-21swapper/107:53:281
1810799207,9cyclictest0-21swapper/109:53:491
1810799207,8cyclictest0-21swapper/110:18:591
1810799203,12cyclictest0-21swapper/108:24:171
1810799202,8cyclictest0-21swapper/112:29:101
1810799202,13cyclictest0-21swapper/108:04:161
18107992013,3cyclictest0-21swapper/107:24:131
18107992013,3cyclictest0-21swapper/107:24:131
18107992011,4cyclictest0-21swapper/107:14:131
18107992010,7cyclictest0-21swapper/111:12:521
18107992010,2cyclictest0-21swapper/108:47:141
1810799200,5cyclictest0-21swapper/109:12:591
18106992016,1cyclictest18104-21cyclictest11:09:180
18106992013,3cyclictest1853-1kworker/u5:110:00:180
18106992012,5cyclictest0-21swapper/009:18:060
18106992011,4cyclictest0-21swapper/008:09:100
18106992010,8cyclictest0-21swapper/011:50:550
18106992010,7cyclictest0-21swapper/009:49:150
18106992010,3cyclictest0-21swapper/012:01:170
18106992010,3cyclictest0-21swapper/011:01:530
18106992010,3cyclictest0-21swapper/010:04:130
1810699200,8cyclictest0-21swapper/010:29:100
1810799197,8cyclictest0-21swapper/110:34:121
1810799196,5cyclictest30063-21/usr/sbin/munin11:49:121
18107991917,1cyclictest231ktimersoftd/109:35:361
18107991916,2cyclictest27996-21apache208:33:191
18107991915,3cyclictest27996-21apache209:55:321
18107991910,5cyclictest0-21swapper/108:14:171
18107991910,5cyclictest0-21swapper/107:29:181
18107991910,4cyclictest0-21swapper/108:54:161
18107991910,4cyclictest0-21swapper/107:44:101
18107991910,4cyclictest0-21swapper/107:19:091
18107991910,2cyclictest0-21swapper/111:04:371
1810799190,2cyclictest0-21swapper/112:35:461
1810699198,9cyclictest23716-21ls08:44:190
1810699195,11cyclictest0-21swapper/012:34:150
1810699192,11cyclictest0-21swapper/011:33:130
18106991919,0cyclictest0-21swapper/012:12:000
18106991914,3cyclictest0-21swapper/007:52:110
18106991910,9cyclictest0-21swapper/008:58:290
18106991910,5cyclictest0-21swapper/008:33:150
18106991910,4cyclictest0-21swapper/009:46:220
18106991910,2cyclictest0-21swapper/010:54:180
18106991910,0cyclictest0-21swapper/010:47:500
1810799186,8cyclictest0-21swapper/111:24:121
1810799184,11cyclictest0-21swapper/107:39:131
1810799182,11cyclictest0-21swapper/108:49:151
18107991812,3cyclictest100250irq/107-eth1-rx09:48:141
18107991811,3cyclictest0-21swapper/110:59:101
1810799181,10cyclictest0-21swapper/111:14:101
18107991810,3cyclictest0-21swapper/107:34:101
1810799180,12cyclictest0-21swapper/111:59:121
1810699185,4cyclictest29476-21ls08:59:170
1810699182,9cyclictest12032-21/usr/sbin/munin08:14:180
18106991812,4cyclictest100150irq/106-eth1-rx07:09:090
18106991810,5cyclictest0-21swapper/010:36:480
105221810,2sleep00-21swapper/007:46:500
18107991710,5cyclictest0-21swapper/107:58:331
18107991710,4cyclictest0-21swapper/109:04:101
1810699175,8cyclictest0-21swapper/008:39:120
1810699173,8cyclictest25943-21ssh11:44:110
18106991717,0cyclictest0-21swapper/007:25:300
18106991717,0cyclictest0-21swapper/007:25:300
18106991710,5cyclictest0-21swapper/009:04:010
18106991710,4cyclictest21381-21/usr/sbin/munin07:14:180
18106991710,3cyclictest0-21swapper/008:19:160
18106991710,3cyclictest0-21swapper/007:54:190
18106991710,2cyclictest0-21swapper/012:06:580
1810699170,4cyclictest0-21swapper/007:34:010
18107991612,3cyclictest0-21swapper/107:59:151
18107991610,2cyclictest0-21swapper/111:34:091
18106991610,5cyclictest0-21swapper/007:22:060
1810699160,7cyclictest0-21swapper/008:49:160
1810799155,6cyclictest29138-21/usr/sbin/munin08:59:151
18107991510,5cyclictest0-21swapper/108:41:051
1810699152,8cyclictest0-21swapper/008:24:150
18106991510,2cyclictest0-21swapper/008:34:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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