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2026-07-24 - 15:20
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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 all highest latencies:
System rackcslot2.osadl.org (updated Fri Jul 24, 2026 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
521427532,37sleep00-21swapper/007:03:380
626326654,8sleep10-21swapper/107:06:511
31782660,0sleep03176-21seq10:08:370
309812660,0sleep00-21swapper/011:28:340
6591993510,1cyclictest0-21swapper/110:36:011
6591993210,21cyclictest0-21swapper/111:19:411
6590993210,20cyclictest0-21swapper/012:23:460
6590993130,1cyclictest0-21swapper/009:21:350
6591992910,3cyclictest0-21swapper/111:39:301
6591992826,1cyclictest0-21swapper/110:53:331
659199280,26cyclictest14373-21/usr/sbin/munin07:28:371
6591992710,5cyclictest0-21swapper/109:25:281
659199270,11cyclictest20535-21diskmemload12:08:351
659099270,0cyclictest0-21swapper/011:43:370
6591992616,8cyclictest16509-21kworker/1:210:38:511
6591992610,11cyclictest0-21swapper/112:13:351
659199260,1cyclictest0-21swapper/111:51:401
6590992610,9cyclictest0-21swapper/010:21:220
6591992518,5cyclictest0-21swapper/112:06:501
6591992510,6cyclictest0-21swapper/110:08:361
6590992525,0cyclictest0-21swapper/011:28:110
6590992521,1cyclictest0-21swapper/010:25:440
659099251,20cyclictest0-21swapper/010:45:300
659199243,20cyclictest0-21swapper/111:45:021
6591992423,0cyclictest0-21swapper/107:38:281
6591992410,1cyclictest0-21swapper/109:49:281
6591992410,10cyclictest0-21swapper/110:04:081
659199240,4cyclictest0-21swapper/111:30:061
6590992420,2cyclictest13401-21apache207:28:340
6590992419,4cyclictest16481-21apache210:52:020
6590992410,5cyclictest0-21swapper/010:28:270
6590992410,2cyclictest0-21swapper/009:51:280
6591992321,1cyclictest0-21swapper/109:40:241
6591992317,5cyclictest6588-21cyclictest10:59:011
6591992315,2cyclictest24-21ksoftirqd/107:28:211
659099233,18cyclictest0-21swapper/012:22:500
6590992317,3cyclictest0-21swapper/007:43:350
6590992310,6cyclictest0-21swapper/010:16:080
6590992310,5cyclictest0-21swapper/011:19:290
6590992310,2cyclictest0-21swapper/012:30:490
659199225,8cyclictest0-21swapper/110:43:371
6591992218,3cyclictest8474-21munin-node08:21:101
6591992215,4cyclictest16496-21apache209:30:511
6591992210,9cyclictest0-21swapper/110:32:111
6591992210,1cyclictest0-21swapper/108:17:321
6591992210,11cyclictest0-21swapper/111:53:421
659199220,21cyclictest16509-21kworker/1:209:43:331
659099222,13cyclictest0-21swapper/007:13:330
6590992219,3cyclictest16496-21apache209:47:150
6590992218,4cyclictest16496-21apache212:13:200
6590992218,3cyclictest20090-21kworker/u4:109:34:110
6590992212,6cyclictest16427-21kworker/0:011:34:320
6590992210,9cyclictest0-21swapper/012:02:170
6590992210,8cyclictest0-21swapper/012:05:540
6590992210,7cyclictest0-21swapper/010:33:590
6590992210,7cyclictest0-21swapper/009:09:040
6590992210,5cyclictest0-21swapper/011:49:180
6590992210,4cyclictest0-21swapper/009:27:290
6590992210,0cyclictest0-21swapper/010:05:170
659099220,16cyclictest0-21swapper/011:08:380
659199215,10cyclictest0-21swapper/111:13:371
659199214,11cyclictest0-21swapper/108:53:381
659199214,10cyclictest0-21swapper/108:38:371
659199213,12cyclictest0-21swapper/111:58:421
659199212,6cyclictest0-21swapper/111:08:331
6591992119,1cyclictest0-21swapper/108:13:151
659199211,19cyclictest11298-21/usr/sbin/munin12:28:331
6591992111,5cyclictest0-21swapper/109:00:511
659199211,13cyclictest0-21swapper/111:23:281
6591992110,7cyclictest0-21swapper/112:38:061
6591992110,6cyclictest0-21swapper/111:03:351
659199210,16cyclictest0-21swapper/112:26:301
659099214,9cyclictest0-21swapper/008:43:400
6590992120,1cyclictest802-21apache208:02:500
6590992111,6cyclictest0-21swapper/008:58:310
6590992110,9cyclictest0-21swapper/009:13:320
6590992110,6cyclictest0-21swapper/011:38:330
6590992110,6cyclictest0-21swapper/009:28:370
6590992110,5cyclictest0-21swapper/007:23:410
659099210,17cyclictest0-21swapper/008:03:400
642422110,0sleep10-21swapper/112:21:281
659199206,5cyclictest0-21swapper/107:18:371
659199203,10cyclictest6969-21sshd08:32:471
6591992018,2cyclictest0-21swapper/110:18:141
6591992015,2cyclictest0-21swapper/110:01:181
6591992012,3cyclictest0-21swapper/109:10:361
6591992010,6cyclictest0-21swapper/108:33:331
6591992010,5cyclictest0-21swapper/110:23:201
659199200,18cyclictest16509-21kworker/1:209:55:011
6590992015,4cyclictest16427-21kworker/0:011:54:390
6590992010,6cyclictest0-21swapper/008:28:310
659099200,20cyclictest0-21swapper/010:53:420
659099200,19cyclictest0-21swapper/008:33:400
659199194,8cyclictest0-21swapper/109:03:371
659199194,8cyclictest0-21swapper/109:03:371
6591991917,1cyclictest24-21ksoftirqd/108:53:201
6591991917,1cyclictest16481-21apache209:14:561
6591991911,4cyclictest0-21swapper/110:25:311
6591991910,7cyclictest0-21swapper/107:33:361
6591991910,5cyclictest0-21swapper/109:23:021
659099196,8cyclictest0-21swapper/008:13:340
6590991919,0cyclictest0-21swapper/010:39:020
6590991917,1cyclictest16496-21apache209:03:330
6590991917,1cyclictest16496-21apache209:03:330
6590991916,1cyclictest16496-21apache207:52:280
6590991910,7cyclictest0-21swapper/011:05:320
6590991910,6cyclictest0-21swapper/009:38:320
6590991910,5cyclictest0-21swapper/012:09:550
6590991910,5cyclictest0-21swapper/011:13:400
6590991910,3cyclictest0-21swapper/008:53:380
659199182,10cyclictest0-21swapper/111:36:591
659199180,17cyclictest0-21swapper/107:12:141
6590991810,5cyclictest0-21swapper/009:58:370
6590991810,4cyclictest0-21swapper/008:42:400
6590991810,4cyclictest0-21swapper/008:08:370
6590991810,4cyclictest0-21swapper/007:38:310
6590991810,3cyclictest0-21swapper/007:18:380
6590991810,2cyclictest0-21swapper/008:48:370
6591991712,4cyclictest0-21swapper/107:53:341
6591991710,4cyclictest0-21swapper/110:52:061
6590991716,1cyclictest802-21apache211:00:410
6590991710,4cyclictest0-21swapper/012:33:280
6590991710,2cyclictest0-21swapper/009:53:450
2393321710,0sleep10-21swapper/107:52:081
1826721710,0sleep00-21swapper/007:38:010
659199164,10cyclictest0-21swapper/108:23:381
659199163,12cyclictest0-21swapper/109:35:431
659199160,9cyclictest28708-21/usr/sbin/munin08:03:361
659199160,9cyclictest0-21swapper/108:43:311
659099162,8cyclictest167-21systemd-journal07:58:200
659199153,6cyclictest26783-21ls07:58:371
659199152,10cyclictest0-21swapper/107:13:401
659099156,4cyclictest0-21swapper/007:08:370
6590991510,3cyclictest0-21swapper/008:19:410
495921510,0sleep00-21swapper/008:26:520
6591991414,0cyclictest0-21swapper/107:45:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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