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2026-05-15 - 16:10
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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 Fri May 15, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2991928135,41sleep10-21swapper/107:04:321
192232680,0sleep10-21swapper/112:09:051
2991626754,8sleep00-21swapper/007:04:310
25262660,1sleep10-21swapper/108:43:561
289612650,0sleep10-21swapper/110:13:141
9912640,0sleep10-21swapper/109:35:021
184762600,0sleep10-21swapper/112:07:531
30523993534,1cyclictest0-21swapper/111:47:081
30523993110,0cyclictest0-21swapper/112:37:481
3052399300,28cyclictest0-21swapper/109:59:201
3052299290,28cyclictest0-21swapper/010:48:340
30522992827,0cyclictest7-21ksoftirqd/008:13:560
30523992721,4cyclictest599-21avahi-daemon09:20:361
30523992715,1cyclictest30520-21cyclictest08:14:371
30523992612,10cyclictest29516-21ssh10:55:491
30522992622,3cyclictest8005-21apache210:22:460
30522992610,9cyclictest0-21swapper/012:02:160
30522992525,0cyclictest0-21swapper/008:24:000
3052299251,18cyclictest9499-21kworker/u4:009:51:480
30522992510,1cyclictest0-21swapper/009:48:030
30523992422,1cyclictest0-21swapper/109:14:011
30523992418,2cyclictest231ktimersoftd/111:22:561
30522992411,8cyclictest100250irq/107-eth1-rx11:16:040
30522992410,5cyclictest0-21swapper/011:46:480
3052299240,24cyclictest0-21swapper/007:09:440
592022311,1sleep00-21swapper/007:29:090
30523992320,2cyclictest0-21swapper/112:29:301
3052399230,18cyclictest0-21swapper/107:39:101
30522992322,0cyclictest100250irq/107-eth1-rx10:40:390
30522992318,5cyclictest0-21swapper/007:34:350
30522992316,4cyclictest100150irq/106-eth1-rx11:24:080
30522992314,4cyclictest0-21swapper/012:09:280
3052299231,21cyclictest0-21swapper/011:21:390
30522992311,6cyclictest0-21swapper/010:14:130
30522992310,6cyclictest0-21swapper/010:49:580
3052399224,10cyclictest0-21swapper/108:44:081
30523992217,4cyclictest8032-21apache211:54:501
30523992210,4cyclictest0-21swapper/111:08:571
3052299221,20cyclictest4487-21/usr/sbin/munin08:49:090
30522992211,7cyclictest100250irq/107-eth1-rx11:06:010
30523992118,1cyclictest231ktimersoftd/109:11:251
30523992112,5cyclictest3473-21apache207:09:201
30523992110,7cyclictest0-21swapper/111:53:191
30523992110,5cyclictest0-21swapper/111:25:351
30523992110,4cyclictest0-21swapper/111:32:271
3052399210,19cyclictest0-21swapper/109:51:161
3052299214,11cyclictest0-21swapper/009:39:070
3052299213,5cyclictest0-21swapper/010:54:100
30522992115,4cyclictest7-21ksoftirqd/012:18:560
30522992114,6cyclictest8005-21apache212:25:020
3052299211,10cyclictest7999-21apache210:02:370
30522992110,5cyclictest0-21swapper/012:29:430
30522992110,4cyclictest0-21swapper/012:33:560
3052399206,8cyclictest0-21swapper/109:54:081
3052399204,11cyclictest0-21swapper/108:49:151
30523992019,1cyclictest0-21swapper/111:03:161
30523992018,1cyclictest0-21swapper/112:23:411
30523992012,4cyclictest8005-21apache209:46:291
30523992010,5cyclictest0-21swapper/110:19:121
30523992010,2cyclictest0-21swapper/109:43:431
30522992012,7cyclictest0-21swapper/009:29:230
30522992010,6cyclictest0-21swapper/011:29:390
30522992010,5cyclictest0-21swapper/010:05:560
30522992010,5cyclictest0-21swapper/007:24:130
30522992010,3cyclictest0-21swapper/011:49:090
30522992010,1cyclictest0-21swapper/011:12:490
30522992010,0cyclictest0-21swapper/009:55:360
2493022010,0sleep10-21swapper/110:49:231
3052399193,10cyclictest0-21swapper/112:24:101
30523991918,0cyclictest12051-21diskmemload09:24:181
30523991917,1cyclictest32187-21ls08:34:151
30523991912,4cyclictest12051-21diskmemload10:37:571
30523991910,4cyclictest0-21swapper/107:49:151
30523991910,3cyclictest0-21swapper/111:07:511
30523991910,3cyclictest0-21swapper/110:42:591
30523991910,2cyclictest0-21swapper/107:59:111
3052399190,13cyclictest0-21swapper/107:19:311
3052299199,2cyclictest636-21nscd09:26:210
3052299195,9cyclictest0-21swapper/011:43:280
3052299194,9cyclictest0-21swapper/008:54:070
3052299192,8cyclictest0-21swapper/008:41:290
3052299192,8cyclictest0-21swapper/007:44:140
30522991916,2cyclictest0-21swapper/009:18:140
30522991911,5cyclictest100150irq/106-eth1-rx11:35:150
30522991910,7cyclictest0-21swapper/010:31:110
30522991910,5cyclictest0-21swapper/009:34:020
30522991910,4cyclictest0-21swapper/012:06:090
30522991910,4cyclictest0-21swapper/011:58:280
30522991910,3cyclictest0-21swapper/009:10:020
30522991910,3cyclictest0-21swapper/008:59:080
30522991910,3cyclictest0-21swapper/007:49:120
30522991910,1cyclictest0-21swapper/012:22:200
30522991910,1cyclictest0-21swapper/008:14:150
2184021910,0sleep10-21swapper/110:45:571
3052399185,11cyclictest0-21swapper/107:24:081
3052399185,10cyclictest0-21swapper/111:59:101
3052399183,9cyclictest0-21swapper/107:29:081
3052399182,6cyclictest0-21swapper/111:14:111
3052399182,15cyclictest13246-21kworker/u4:211:36:001
30523991815,2cyclictest30520-21cyclictest11:41:351
30523991810,8cyclictest0-21swapper/107:55:141
30523991810,6cyclictest0-21swapper/108:10:271
30523991810,3cyclictest0-21swapper/109:31:451
30523991810,3cyclictest0-21swapper/108:04:111
30523991810,3cyclictest0-21swapper/107:14:171
30523991810,2cyclictest0-21swapper/110:24:071
3052299184,9cyclictest0-21swapper/007:19:090
3052299184,8cyclictest0-21swapper/008:29:180
3052299182,9cyclictest0-21swapper/010:10:220
30522991814,0cyclictest81ktimersoftd/011:01:130
30522991812,3cyclictest0-21swapper/008:44:120
30522991810,6cyclictest100250irq/107-eth1-rx09:23:170
30522991810,6cyclictest0-21swapper/007:18:020
30522991810,2cyclictest0-21swapper/009:04:090
30522991810,1cyclictest0-21swapper/010:36:010
30522991810,0cyclictest0-21swapper/007:59:140
1173921810,0sleep10-21swapper/109:05:511
924321710,0sleep10-21swapper/110:29:141
3052399178,7cyclictest8032-21apache208:32:581
3052399174,5cyclictest0-21swapper/108:19:061
3052399174,12cyclictest0-21swapper/107:34:131
3052399173,6cyclictest27287-21/usr/sbin/munin08:24:131
3052399173,11cyclictest0-21swapper/108:54:121
3052399172,11cyclictest0-21swapper/110:05:461
30523991715,1cyclictest231ktimersoftd/108:59:121
30523991710,3cyclictest8032-21apache212:14:031
30522991710,4cyclictest0-21swapper/008:34:110
30522991710,2cyclictest0-21swapper/008:19:070
2105421710,0sleep00-21swapper/008:05:470
30523991614,1cyclictest8005-21apache210:14:001
3052299165,4cyclictest0-21swapper/010:26:120
3052299165,3cyclictest7-21ksoftirqd/007:39:080
30522991510,5cyclictest0-21swapper/007:55:250
30523991412,1cyclictest0-21swapper/107:44:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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