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2026-01-12 - 07:47
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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 Mon Jan 12, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1809426754,8sleep10-21swapper/119:06:351
1815726654,8sleep00-21swapper/019:07:140
156922640,0sleep10-21swapper/122:12:591
120922580,2sleep11858699cyclictest22:08:281
1858599290,23cyclictest0-21swapper/022:13:550
18585992810,18cyclictest0-21swapper/019:43:110
18586992719,5cyclictest23976-21apache221:19:351
18585992710,11cyclictest0-21swapper/019:10:060
1858699261,24cyclictest0-21swapper/100:02:151
1858699260,11cyclictest0-21swapper/120:15:061
1858599263,6cyclictest27593-21ssh23:11:340
18585992610,13cyclictest0-21swapper/022:26:320
18585992610,12cyclictest0-21swapper/023:40:490
18585992610,11cyclictest0-21swapper/021:35:060
1858599260,6cyclictest0-21swapper/021:15:110
18586992512,5cyclictest100250irq/107-eth1-rx22:37:381
18585992510,9cyclictest0-21swapper/000:03:170
18585992510,6cyclictest0-21swapper/023:45:450
1858599245,14cyclictest0-21swapper/000:25:060
18585992422,1cyclictest10206-21ssh23:31:450
18585992419,4cyclictest23976-21apache200:36:270
1858699237,12cyclictest0-21swapper/123:20:051
1858699233,19cyclictest6778-21kworker/1:219:12:371
18586992323,0cyclictest0-21swapper/121:00:061
18586992310,5cyclictest0-21swapper/122:04:431
18586992310,5cyclictest0-21swapper/120:59:221
18586992310,3cyclictest0-21swapper/123:31:411
18585992310,9cyclictest0-21swapper/023:29:190
1858699226,15cyclictest0-21swapper/119:55:071
18586992221,0cyclictest231ktimersoftd/100:19:151
18586992216,4cyclictest23976-21apache223:45:521
1858699221,4cyclictest30252-21/usr/sbin/munin23:15:081
18586992212,3cyclictest0-21swapper/120:30:071
1858699221,20cyclictest0-21swapper/123:57:261
1858699221,1cyclictest22523-21rm00:32:171
18586992210,8cyclictest0-21swapper/122:20:421
18586992210,2cyclictest0-21swapper/100:39:041
1858599227,14cyclictest0-21swapper/022:43:570
1858599226,15cyclictest0-21swapper/020:41:410
1858599223,12cyclictest0-21swapper/021:40:060
18585992221,1cyclictest744-21snmpd00:18:470
18585992220,1cyclictest81ktimersoftd/019:35:060
18585992214,4cyclictest100150irq/106-eth1-rx00:32:520
18585992210,7cyclictest0-21swapper/023:50:010
1858599220,1cyclictest16769-21ssh22:57:230
1858699215,8cyclictest0-21swapper/119:15:171
1858699215,11cyclictest0-21swapper/119:45:011
1858699214,10cyclictest0-21swapper/119:30:021
1858699212,9cyclictest0-21swapper/120:00:011
18586992121,0cyclictest0-21swapper/122:27:061
18586992121,0cyclictest0-21swapper/100:19:511
18586992117,3cyclictest23950-21apache223:40:571
1858699211,3cyclictest16351-21ssh00:25:011
18586992112,6cyclictest23950-21apache221:10:041
1858699210,2cyclictest0-21swapper/122:57:511
1858599216,9cyclictest0-21swapper/020:00:010
1858599214,14cyclictest0-21swapper/021:30:000
1858599213,7cyclictest0-21swapper/021:50:000
18585992118,2cyclictest0-21swapper/023:07:150
18585992118,1cyclictest0-21swapper/020:30:050
18585992116,4cyclictest23976-21apache221:55:450
18585992115,3cyclictest81ktimersoftd/020:51:330
18585992110,6cyclictest0-21swapper/023:14:570
18585992110,4cyclictest0-21swapper/021:19:530
18585992110,2cyclictest0-21swapper/022:15:020
18585992110,1cyclictest0-21swapper/021:25:050
1858699205,8cyclictest0-21swapper/121:05:101
1858699203,11cyclictest0-21swapper/123:00:101
18586992018,1cyclictest0-21swapper/121:52:161
18586992013,2cyclictest0-21swapper/122:54:441
18586992011,2cyclictest0-21swapper/122:30:031
18586992010,6cyclictest0-21swapper/122:45:041
18586992010,5cyclictest0-21swapper/120:25:031
18586992010,4cyclictest0-21swapper/120:39:011
1858699200,8cyclictest0-21swapper/121:20:021
1858699200,7cyclictest0-21swapper/121:40:021
1858599206,14cyclictest0-21swapper/022:49:290
1858599203,9cyclictest0-21swapper/019:20:040
18585992020,0cyclictest0-21swapper/020:55:010
18585992020,0cyclictest0-21swapper/020:26:350
18585992016,3cyclictest0-21swapper/020:05:100
18585992012,5cyclictest636-21nscd00:13:530
18585992011,4cyclictest32355-21diskmemload22:21:090
18585992010,5cyclictest0-21swapper/022:35:040
18585992010,3cyclictest0-21swapper/022:50:000
1858599200,19cyclictest0-21swapper/021:06:570
1858699194,6cyclictest0-21swapper/123:35:091
18586991914,4cyclictest23950-21apache200:14:161
18586991914,2cyclictest23950-21apache223:26:431
18586991913,5cyclictest21219-1kworker/u5:223:05:081
18586991911,3cyclictest0-21swapper/123:54:341
18586991910,7cyclictest0-21swapper/121:55:551
1858699190,18cyclictest0-21swapper/120:11:431
1858699190,13cyclictest0-21swapper/122:15:081
1858599193,9cyclictest0-21swapper/020:14:590
1858599193,10cyclictest0-21swapper/022:30:060
18585991918,1cyclictest23976-21apache219:51:340
18585991912,7cyclictest0-21swapper/023:36:210
18585991910,6cyclictest0-21swapper/020:45:000
18585991910,4cyclictest0-21swapper/000:23:380
1241621910,0sleep00-21swapper/022:09:100
1858699187,4cyclictest0-21swapper/120:40:131
18586991815,2cyclictest23950-21apache221:26:051
18586991815,2cyclictest21561-1kworker/u5:221:46:301
18586991810,8cyclictest0-21swapper/121:33:171
18586991810,6cyclictest0-21swapper/100:05:001
18586991810,0cyclictest0-21swapper/122:40:211
1858699180,9cyclictest0-21swapper/123:10:001
1858699180,7cyclictest30028-21cron19:39:491
1858699180,17cyclictest6778-21kworker/1:220:04:591
1858599186,11cyclictest0-21swapper/023:20:000
1858599182,8cyclictest27102-21/usr/sbin/munin23:55:040
18585991811,5cyclictest23976-21apache220:09:530
18585991810,6cyclictest0-21swapper/021:49:410
18585991810,6cyclictest0-21swapper/019:25:050
18585991810,2cyclictest0-21swapper/023:01:270
1858599180,2cyclictest0-21swapper/020:37:010
1858699176,7cyclictest0-21swapper/120:44:591
1858699175,5cyclictest0-21swapper/119:20:031
1858699175,3cyclictest23976-21apache219:25:011
1858699172,8cyclictest0-21swapper/119:50:021
18586991715,1cyclictest802-21apache221:37:421
1858699170,8cyclictest0-21swapper/120:50:011
1858599174,7cyclictest0-21swapper/020:20:040
1858599171,9cyclictest0-21swapper/000:05:020
18585991711,2cyclictest0-21swapper/021:09:590
18585991710,7cyclictest0-21swapper/019:33:190
18585991710,4cyclictest0-21swapper/020:59:590
18585991710,2cyclictest0-21swapper/022:01:130
18585991710,1cyclictest0-21swapper/019:59:370
1858699165,8cyclictest0-21swapper/119:40:011
18586991613,2cyclictest0-21swapper/120:20:091
18585991610,3cyclictest0-21swapper/019:45:020
18585991411,1cyclictest0-21swapper/019:15:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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