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2026-07-18 - 20:19
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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 Sat Jul 18, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320302760,0sleep10-21swapper/110:36:591
1047427049,8sleep00-21swapper/007:07:130
1021326855,8sleep10-21swapper/107:04:281
10772993910,6cyclictest31925-21kworker/u4:210:48:151
1077299300,0cyclictest0-21swapper/107:52:111
319822710,5sleep10-21swapper/112:03:261
10772992725,1cyclictest0-21swapper/110:42:411
10772992720,6cyclictest20606-21apache211:46:431
1077199270,24cyclictest25366-21fschecks_time10:28:360
1077299264,21cyclictest0-21swapper/112:18:531
10772992622,4cyclictest0-21swapper/110:58:061
10772992610,13cyclictest0-21swapper/110:32:081
1077299260,4cyclictest22645-21kworker/u4:109:36:241
10771992623,2cyclictest0-21swapper/007:37:260
10771992610,13cyclictest0-21swapper/009:54:170
1077199260,16cyclictest25544-21ssh09:08:410
10772992510,7cyclictest0-21swapper/111:36:501
1077199251,23cyclictest6652-21ssh09:24:400
10772992410,8cyclictest0-21swapper/107:54:471
10772992410,11cyclictest0-21swapper/110:12:551
10771992416,1cyclictest7-21ksoftirqd/008:28:370
1077199241,4cyclictest1234-21/usr/sbin/munin11:18:430
1077199240,1cyclictest0-21swapper/010:49:030
10772992317,4cyclictest20584-21apache210:02:591
10772992312,0cyclictest231ktimersoftd/110:15:421
10772992310,9cyclictest0-21swapper/108:53:381
10772992310,7cyclictest0-21swapper/111:06:041
10772992310,13cyclictest0-21swapper/110:50:311
1077299230,19cyclictest0-21swapper/109:09:241
1077299230,13cyclictest23144-21munin-run12:28:231
10771992320,2cyclictest20606-21apache211:56:370
10771992316,5cyclictest773-21sshd10:54:420
10771992310,4cyclictest0-21swapper/010:11:340
10771992310,2cyclictest0-21swapper/011:13:290
1077299226,15cyclictest0-21swapper/110:58:361
1077299224,14cyclictest0-21swapper/111:28:361
10772992217,4cyclictest100150irq/106-eth1-rx09:27:381
10772992213,5cyclictest0-21swapper/108:38:361
10772992212,4cyclictest0-21swapper/110:24:181
1077299221,16cyclictest1199-21runrttasks09:45:001
1077199226,6cyclictest30798-21/usr/sbin/munin07:58:380
1077199223,5cyclictest0-21swapper/009:16:260
10771992215,4cyclictest20606-21apache211:40:260
10771992215,2cyclictest0-21swapper/011:32:330
10771992212,7cyclictest7563-21ssh11:28:070
1077199220,21cyclictest0-21swapper/011:51:520
2985622110,0sleep10-21swapper/111:55:061
1077299214,14cyclictest0-21swapper/107:13:321
1077299213,10cyclictest0-21swapper/108:08:381
10772992120,1cyclictest231ktimersoftd/109:17:551
10772992119,1cyclictest0-21swapper/109:48:311
10772992110,6cyclictest0-21swapper/109:57:261
10772992110,2cyclictest0-21swapper/111:20:231
10772992110,1cyclictest0-21swapper/112:17:431
1077299210,6cyclictest17212-21hddtemp_smartct10:18:351
1077299210,21cyclictest12364-21kworker/1:008:21:061
1077199215,5cyclictest0-21swapper/010:03:420
10771992118,2cyclictest24665-21latency_hist09:08:230
10771992115,5cyclictest0-21swapper/010:39:390
10771992114,5cyclictest20584-21apache209:50:080
10771992110,9cyclictest0-21swapper/012:10:500
10771992110,3cyclictest0-21swapper/008:53:400
10771992110,3cyclictest0-21swapper/008:33:350
10771992110,3cyclictest0-21swapper/007:18:380
10771992110,0cyclictest0-21swapper/012:23:410
2394222010,0sleep00-21swapper/007:38:560
1077299206,11cyclictest0-21swapper/108:23:411
1077299204,7cyclictest29070-21irqstats11:13:401
1077299204,7cyclictest0-21swapper/110:03:431
1077299202,9cyclictest0-21swapper/109:33:171
10772992018,1cyclictest0-21swapper/109:19:291
10772992015,4cyclictest20584-21apache209:38:331
10772992015,4cyclictest20584-21apache209:38:331
10772992014,4cyclictest231ktimersoftd/108:16:011
10772992010,4cyclictest0-21swapper/112:33:271
10772992010,4cyclictest0-21swapper/111:48:461
1077199204,8cyclictest0-21swapper/008:58:420
1077199204,11cyclictest0-21swapper/012:33:360
10771992020,0cyclictest0-21swapper/007:47:560
10771992011,2cyclictest7422-21sh10:46:420
10771992010,6cyclictest0-21swapper/010:58:350
10771992010,5cyclictest0-21swapper/011:58:380
10771992010,3cyclictest0-21swapper/012:13:330
10771992010,3cyclictest0-21swapper/007:08:390
10771992010,1cyclictest0-21swapper/011:47:020
245821910,0sleep00-21swapper/009:59:170
1077299199,4cyclictest0-21swapper/108:53:231
1077299198,6cyclictest15982-21ls08:43:401
1077299194,12cyclictest0-21swapper/107:33:231
1077299193,11cyclictest0-21swapper/107:38:351
1077299192,5cyclictest20250-21munin-run07:33:231
1077299191,8cyclictest0-21swapper/107:23:351
10772991911,5cyclictest18192-21ssh11:40:501
10772991910,5cyclictest0-21swapper/108:28:381
10772991910,4cyclictest0-21swapper/111:59:421
1077199199,10cyclictest81ktimersoftd/010:22:470
1077199193,3cyclictest802-21apache207:13:410
1077199192,7cyclictest0-21swapper/008:03:360
10771991916,2cyclictest20606-21apache211:10:140
10771991912,1cyclictest18463-21latency_hist07:28:230
1077199191,1cyclictest0-21swapper/011:04:120
10771991911,4cyclictest0-21swapper/010:23:400
10771991910,5cyclictest0-21swapper/009:36:460
10771991910,4cyclictest0-21swapper/008:38:430
10771991910,0cyclictest0-21swapper/008:23:350
43152180,1sleep10-21swapper/111:23:361
1077299189,8cyclictest12364-21kworker/1:007:46:521
1077299187,9cyclictest0-21swapper/108:03:401
1077299186,9cyclictest0-21swapper/109:03:351
1077299183,6cyclictest0-21swapper/112:08:371
1077199185,6cyclictest24674-21diskmemload12:03:380
1077199184,7cyclictest0-21swapper/008:48:430
1077199183,7cyclictest0-21swapper/007:48:420
10771991810,6cyclictest0-21swapper/009:43:360
10771991810,5cyclictest0-21swapper/012:31:200
10771991810,3cyclictest100250irq/107-eth1-rx10:13:340
10771991810,3cyclictest0-21swapper/009:38:240
10771991810,3cyclictest0-21swapper/009:38:240
10771991810,3cyclictest0-21swapper/009:30:090
10771991810,3cyclictest0-21swapper/008:12:490
10771991810,2cyclictest0-21swapper/012:18:350
1077199180,5cyclictest0-21swapper/008:13:420
1077299174,10cyclictest0-21swapper/112:28:371
1077299173,7cyclictest0-21swapper/107:23:231
10772991710,4cyclictest0-21swapper/109:00:481
10772991710,3cyclictest0-21swapper/111:09:121
1077199174,8cyclictest0-21swapper/011:33:410
10771991710,5cyclictest0-21swapper/009:18:420
1077199170,17cyclictest0-21swapper/010:35:280
1077199170,11cyclictest0-21swapper/007:53:350
1077299162,10cyclictest0-21swapper/107:08:361
10771991613,3cyclictest107250irq/99-eth308:44:480
10772991510,4cyclictest0-21swapper/107:58:271
10771991510,2cyclictest0-21swapper/008:21:120
10772991410,2cyclictest0-21swapper/108:33:341
1077199140,4cyclictest18574-21grep07:28:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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