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2025-12-09 - 23:05
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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 Dec 09, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
821627158,8sleep10-21swapper/107:05:281
705326755,7sleep00-21swapper/007:01:560
8511994210,31cyclictest0-21swapper/011:01:550
8511994110,31cyclictest0-21swapper/010:21:540
8511994110,31cyclictest0-21swapper/010:11:210
8511994110,30cyclictest0-21swapper/010:56:580
8511994010,29cyclictest0-21swapper/011:06:530
8511994010,26cyclictest18451-21ssh11:49:210
8511993920,19cyclictest24727-21ls11:56:570
8511993910,8cyclictest0-21swapper/011:23:060
8511993910,28cyclictest28677-21ls07:56:560
8511993910,28cyclictest0-21swapper/011:12:010
8511993910,27cyclictest0-21swapper/012:27:280
8511993910,27cyclictest0-21swapper/009:26:520
8511993817,20cyclictest0-21swapper/008:32:580
8511993810,28cyclictest0-21swapper/012:21:230
8511993810,27cyclictest0-21swapper/010:31:540
8511993810,27cyclictest0-21swapper/008:41:590
8511993715,21cyclictest1111-21runrttasks08:26:110
8511993710,27cyclictest0-21swapper/009:16:520
8511993710,26cyclictest0-21swapper/010:20:420
8511993619,16cyclictest0-21swapper/010:46:090
8511993610,26cyclictest0-21swapper/009:06:520
8511993610,25cyclictest0-21swapper/012:01:570
8511993610,25cyclictest0-21swapper/011:45:030
8511993610,25cyclictest0-21swapper/010:01:590
8511993610,25cyclictest0-21swapper/009:56:420
8511993610,25cyclictest0-21swapper/008:52:560
8511993610,25cyclictest0-21swapper/007:07:520
8511993610,19cyclictest0-21swapper/009:40:470
8511993517,18cyclictest0-21swapper/012:36:290
8511993516,19cyclictest0-21swapper/009:51:520
8511993515,20cyclictest0-21swapper/011:17:330
8511993512,22cyclictest0-21swapper/011:39:170
8511993510,9cyclictest0-21swapper/012:25:280
8511993510,25cyclictest0-21swapper/010:30:190
8511993510,25cyclictest0-21swapper/009:01:530
8511993510,24cyclictest0-21swapper/010:46:550
8511993510,24cyclictest0-21swapper/009:22:360
8511993510,24cyclictest0-21swapper/009:15:200
8511993510,24cyclictest0-21swapper/009:00:470
8511993510,19cyclictest0-21swapper/008:01:450
8511993510,12cyclictest0-21swapper/009:47:110
8512993410,2cyclictest0-21swapper/111:24:571
8512993410,1cyclictest0-21swapper/110:12:111
8511993410,23cyclictest0-21swapper/011:32:200
8511993410,23cyclictest0-21swapper/010:41:010
8511993410,23cyclictest0-21swapper/009:32:410
8511993410,21cyclictest0-21swapper/011:29:410
8511993310,4cyclictest0-21swapper/009:41:550
8511993310,23cyclictest0-21swapper/008:11:380
8511993219,13cyclictest0-21swapper/010:55:580
8511993210,21cyclictest0-21swapper/012:11:450
8511993210,20cyclictest0-21swapper/011:54:350
8511993210,17cyclictest0-21swapper/007:52:310
851199312,28cyclictest25601-21taskset07:48:040
8511993110,5cyclictest0-21swapper/007:31:400
8511993110,20cyclictest0-21swapper/012:10:520
8511993110,20cyclictest0-21swapper/008:36:550
8511993110,20cyclictest0-21swapper/007:12:480
8511993110,19cyclictest0-21swapper/007:26:550
8512993010,19cyclictest0-21swapper/111:49:481
8512993010,11cyclictest0-21swapper/109:21:381
8511993010,19cyclictest0-21swapper/008:06:530
8512992927,1cyclictest22459-21ssh11:11:591
8511992810,18cyclictest0-21swapper/008:28:160
8511992810,17cyclictest0-21swapper/007:41:570
8511992810,17cyclictest0-21swapper/007:26:030
8511992810,0cyclictest0-21swapper/010:15:120
8512992726,1cyclictest0-21swapper/111:32:401
8512992725,1cyclictest20186-21ssh11:09:201
851199271,25cyclictest0-21swapper/007:16:590
8511992710,16cyclictest0-21swapper/008:19:530
8511992710,15cyclictest0-21swapper/008:48:360
8512992625,1cyclictest0-21swapper/110:48:231
851299260,25cyclictest10895-21sed09:31:591
8512992510,12cyclictest0-21swapper/109:42:211
8512992413,9cyclictest18360-21apache209:25:301
851299241,21cyclictest0-21swapper/112:08:341
8512992310,8cyclictest0-21swapper/110:01:571
851299230,22cyclictest0-21swapper/109:59:191
851299229,13cyclictest4935-21kworker/1:010:51:481
851299224,8cyclictest3546-21df08:16:501
851299221,17cyclictest0-21swapper/110:37:521
8512992210,5cyclictest0-21swapper/109:55:151
8512992210,3cyclictest0-21swapper/111:41:491
8512992210,10cyclictest0-21swapper/111:59:091
8511992210,11cyclictest0-21swapper/007:38:460
851299214,8cyclictest0-21swapper/110:56:581
851299213,17cyclictest0-21swapper/109:27:011
8512992114,4cyclictest18360-21apache211:29:551
851299211,1cyclictest0-21swapper/110:22:361
8512992110,9cyclictest0-21swapper/112:29:421
8512992110,4cyclictest0-21swapper/112:03:011
8512992110,0cyclictest0-21swapper/108:45:001
851299210,1cyclictest0-21swapper/109:50:531
851299208,8cyclictest0-21swapper/107:46:551
851299207,7cyclictest28055-21apache_processe07:56:521
851299203,11cyclictest0-21swapper/108:21:491
851299202,11cyclictest0-21swapper/108:06:571
8512992019,1cyclictest0-21swapper/107:41:071
8512992010,6cyclictest0-21swapper/112:34:521
8512992010,5cyclictest0-21swapper/112:16:501
8512992010,1cyclictest0-21swapper/110:34:471
851299200,5cyclictest0-21swapper/110:08:231
8512991913,3cyclictest97750irq/106-eth1-rx11:41:041
8512991913,2cyclictest14427-21grep09:36:541
8512991913,2cyclictest0-21swapper/111:51:561
8512991912,4cyclictest0-21swapper/107:21:391
8512991911,5cyclictest0-21swapper/111:06:391
8512991910,5cyclictest29957-21/usr/sbin/munin08:01:561
8512991910,3cyclictest0-21swapper/112:11:511
8512991910,0cyclictest0-21swapper/109:08:151
851299190,18cyclictest0-21swapper/111:16:591
851299188,9cyclictest18287-21kworker/1:107:46:121
8512991815,2cyclictest28998-21ssh09:13:571
8512991810,4cyclictest0-21swapper/110:26:581
8512991810,3cyclictest0-21swapper/110:41:501
8512991810,2cyclictest0-21swapper/112:21:521
851299175,7cyclictest11768-21seq07:12:161
851299173,8cyclictest1111-21runrttasks08:29:001
8512991715,1cyclictest18446-21apache_processe07:31:511
8512991714,2cyclictest817-21apache208:47:451
8512991710,4cyclictest0-21swapper/108:16:191
851299164,6cyclictest0-21swapper/109:01:551
851299163,5cyclictest0-21swapper/108:31:491
8512991610,3cyclictest0-21swapper/108:36:541
8512991610,1cyclictest0-21swapper/107:51:501
8512991610,0cyclictest0-21swapper/107:22:011
851299160,8cyclictest0-21swapper/107:06:501
851299157,4cyclictest0-21swapper/110:16:501
851299155,6cyclictest17032-21/usr/sbin/munin08:51:561
8512991510,2cyclictest0-21swapper/108:56:551
851299143,7cyclictest17185-21/usr/sbin/munin07:26:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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