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2026-04-22 - 03:22
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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 Wed Apr 22, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1343527450,20sleep00-21swapper/019:06:250
123472730,2sleep10-21swapper/119:04:221
119872670,1sleep10-21swapper/121:31:111
13870994010,29cyclictest0-21swapper/023:05:380
13871993910,28cyclictest0-21swapper/121:35:171
13871993810,4cyclictest0-21swapper/120:10:061
13871993810,27cyclictest0-21swapper/122:01:411
13871993810,27cyclictest0-21swapper/121:44:181
13871993810,27cyclictest0-21swapper/120:54:261
13871993410,24cyclictest0-21swapper/123:49:071
13871993410,23cyclictest0-21swapper/123:04:111
13871993410,23cyclictest0-21swapper/100:00:351
1387199340,3cyclictest4621-21ssh23:36:581
13871993310,22cyclictest0-21swapper/123:28:491
13871993310,22cyclictest0-21swapper/122:55:161
13871993310,22cyclictest0-21swapper/119:49:071
1387199320,6cyclictest0-21swapper/122:14:251
1387199314,9cyclictest12361-21ssh23:02:391
13871993110,20cyclictest0-21swapper/122:30:431
13871993110,20cyclictest0-21swapper/121:19:481
13871993110,20cyclictest0-21swapper/119:19:171
13871993110,20cyclictest0-21swapper/119:14:381
13871993010,0cyclictest0-21swapper/122:42:231
13870993010,12cyclictest0-21swapper/023:29:280
1387199295,23cyclictest0-21swapper/119:53:471
13871992911,15cyclictest100150irq/106-eth1-rx23:18:011
1387199290,2cyclictest9595-21http_loadtime00:34:221
13870992925,4cyclictest31813-21kworker/0:120:11:490
1387099290,27cyclictest31813-21kworker/0:121:42:090
13871992828,0cyclictest0-21swapper/121:05:001
1387099280,27cyclictest31813-21kworker/0:122:25:150
13871992710,2cyclictest0-21swapper/123:29:491
13871992710,10cyclictest0-21swapper/100:13:401
1387199270,5cyclictest0-21swapper/122:27:071
1387099273,23cyclictest31813-21kworker/0:121:58:550
1387099271,25cyclictest31813-21kworker/0:120:45:210
1387099271,23cyclictest31813-21kworker/0:120:38:150
13870992711,15cyclictest0-21swapper/023:27:500
1387099270,24cyclictest31813-21kworker/0:122:44:510
13871992626,0cyclictest0-21swapper/121:11:251
1387199262,5cyclictest0-21swapper/120:14:231
13871992610,14cyclictest0-21swapper/121:18:231
13871992610,0cyclictest0-21swapper/122:21:421
1387199260,4cyclictest26758-21ssh23:23:191
1387099268,17cyclictest0-21swapper/021:02:260
13870992624,2cyclictest0-21swapper/019:45:510
13870992610,15cyclictest26313-21kworker/0:000:16:430
1387199251,6cyclictest20902-21grep19:24:271
13871992512,12cyclictest10741-21apache221:40:271
1387199251,1cyclictest0-21swapper/122:07:111
1387099258,16cyclictest31813-21kworker/0:121:45:510
1387099253,21cyclictest31813-21kworker/0:123:52:490
13870992518,7cyclictest31813-21kworker/0:120:58:410
13870992518,2cyclictest0-21swapper/023:41:420
1387099251,21cyclictest26313-21kworker/0:000:28:590
13870992511,5cyclictest0-21swapper/021:14:160
1387099247,15cyclictest31813-21kworker/0:119:25:490
1387099247,13cyclictest0-21swapper/020:29:270
1387099241,23cyclictest31813-21kworker/0:100:01:150
1387099241,22cyclictest31813-21kworker/0:122:34:170
1387099241,20cyclictest31813-21kworker/0:120:02:530
1387099241,18cyclictest31813-21kworker/0:121:25:450
13870992410,10cyclictest0-21swapper/000:19:230
13871992310,8cyclictest0-21swapper/120:39:191
13871992310,5cyclictest0-21swapper/120:34:271
13871992310,12cyclictest0-21swapper/120:04:251
13871992310,0cyclictest0-21swapper/120:22:111
1387099233,19cyclictest31813-21kworker/0:122:22:370
13870992310,5cyclictest0-21swapper/022:31:450
13870992310,13cyclictest0-21swapper/022:50:250
648522210,0sleep10-21swapper/100:29:241
13871992220,1cyclictest0-21swapper/121:26:571
13871992210,0cyclictest0-21swapper/123:55:531
1387199220,21cyclictest0-21swapper/100:15:431
13870992210,6cyclictest0-21swapper/022:59:370
1387199213,12cyclictest0-21swapper/120:59:221
13871992110,6cyclictest0-21swapper/119:29:281
13871992110,4cyclictest0-21swapper/120:29:201
1387199210,14cyclictest0-21swapper/122:34:261
13870992120,1cyclictest10741-21apache221:50:430
13870992118,3cyclictest10715-21apache223:47:500
13870992118,3cyclictest10715-21apache200:34:290
1387099211,20cyclictest31813-21kworker/0:121:23:390
1387099211,19cyclictest31813-21kworker/0:123:14:450
13870992110,5cyclictest0-21swapper/021:33:510
1387099210,21cyclictest31813-21kworker/0:123:58:410
1387099210,19cyclictest31813-21kworker/0:122:04:170
1387199206,10cyclictest0-21swapper/121:54:181
1387199204,10cyclictest0-21swapper/122:49:171
1387199203,2cyclictest0-21swapper/123:09:191
1387199203,16cyclictest0-21swapper/100:04:191
1387199202,8cyclictest0-21swapper/119:54:181
13871992016,3cyclictest10741-21apache223:42:191
13871992010,7cyclictest0-21swapper/121:53:051
13871992010,6cyclictest10741-21apache223:49:151
13871992010,6cyclictest0-21swapper/122:48:361
13870992019,1cyclictest10741-21apache223:20:380
13870992010,7cyclictest0-21swapper/022:09:210
13870992010,2cyclictest0-21swapper/021:09:200
125722010,0sleep00-21swapper/022:01:300
1387199195,13cyclictest0-21swapper/119:09:221
13871991911,7cyclictest2331-21rm00:23:121
13871991910,4cyclictest0-21swapper/100:28:161
13871991910,3cyclictest0-21swapper/119:34:181
1387099196,11cyclictest0-21swapper/022:14:170
1387099193,7cyclictest0-21swapper/023:34:230
13870991917,2cyclictest13868-21cyclictest20:06:520
13870991910,5cyclictest0-21swapper/022:58:520
13870991910,5cyclictest0-21swapper/019:19:250
13870991910,5cyclictest0-21swapper/019:09:200
13870991910,4cyclictest100250irq/107-eth1-rx00:30:140
13870991910,4cyclictest0-21swapper/021:38:210
13870991910,4cyclictest0-21swapper/019:49:190
13870991910,2cyclictest0-21swapper/023:12:360
1387099190,18cyclictest31813-21kworker/0:120:42:590
1387199185,12cyclictest0-21swapper/120:49:201
13871991810,1cyclictest0-21swapper/120:49:031
13870991813,3cyclictest27406-21switchtime00:09:270
13870991810,6cyclictest0-21swapper/020:19:200
13870991810,3cyclictest0-21swapper/022:39:120
13870991810,3cyclictest0-21swapper/019:39:260
13870991810,1cyclictest0-21swapper/020:49:180
13870991810,1cyclictest0-21swapper/000:05:060
13871991710,4cyclictest0-21swapper/122:09:221
13871991710,2cyclictest0-21swapper/119:59:241
1387099174,9cyclictest0-21swapper/019:54:180
1387099174,7cyclictest0-21swapper/019:34:070
13870991712,3cyclictest81ktimersoftd/021:04:180
13870991711,4cyclictest15811-21/usr/sbin/munin19:14:250
13870991710,2cyclictest0-21swapper/020:14:190
13870991710,2cyclictest0-21swapper/019:37:100
1387199164,6cyclictest11114-21ntp_states20:24:251
13871991610,3cyclictest0-21swapper/119:39:181
1387099163,8cyclictest636-21nscd20:24:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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