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2026-06-09 - 14:46
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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 Jun 09, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2684921210,1sleep13111499cyclictest21:26:491
4462850,1sleep0442-21perf19:13:440
3073026855,8sleep10-21swapper/119:06:361
3052026653,8sleep00-21swapper/019:04:240
234652660,1sleep10-21swapper/122:48:541
132122520,2sleep03111399cyclictest19:44:040
31113994040,0cyclictest0-21swapper/023:04:560
31114992826,0cyclictest0-21swapper/122:19:571
31113992822,5cyclictest14484-21apache222:15:340
31114992724,2cyclictest0-21swapper/123:36:321
3111399270,3cyclictest0-21swapper/022:41:370
31114992620,3cyclictest231ktimersoftd/121:19:241
3111499260,3cyclictest0-21swapper/100:24:321
31113992624,1cyclictest9658-21ssh23:56:340
31114992515,9cyclictest0-21swapper/122:14:471
31114992510,10cyclictest0-21swapper/123:20:121
31114992423,0cyclictest0-21swapper/123:18:121
31114992417,6cyclictest14484-21apache221:40:531
31114992417,5cyclictest14468-21apache200:11:331
31114992410,7cyclictest0-21swapper/123:39:581
31113992420,3cyclictest14468-21apache223:02:400
3111399240,24cyclictest0-21swapper/021:45:530
3111499233,2cyclictest10095-21cron19:43:391
31114992317,5cyclictest14484-21apache221:02:541
31114992316,3cyclictest0-21swapper/119:33:561
31113992323,0cyclictest0-21swapper/019:34:560
31113992312,7cyclictest100250irq/107-eth1-rx23:39:270
3111499224,7cyclictest100250irq/107-eth1-rx22:29:371
3111499223,10cyclictest0-21swapper/121:48:571
31114992219,2cyclictest14484-21apache223:05:011
31114992217,1cyclictest0-21swapper/123:51:471
31114992210,8cyclictest0-21swapper/119:48:541
31114992210,7cyclictest0-21swapper/123:57:561
31114992210,7cyclictest0-21swapper/123:02:171
31114992210,7cyclictest0-21swapper/121:44:001
31114992210,7cyclictest0-21swapper/120:48:581
31114992210,6cyclictest12304-21diskmemload21:37:381
3111499220,16cyclictest0-21swapper/122:53:581
3111399225,11cyclictest0-21swapper/021:39:000
31113992211,4cyclictest0-21swapper/022:43:550
31113992210,9cyclictest0-21swapper/000:04:450
31113992210,11cyclictest81ktimersoftd/022:19:200
3111499216,5cyclictest0-21swapper/120:23:551
31114992120,0cyclictest17305-21ssh21:13:591
31114992119,1cyclictest14484-21apache222:25:531
31114992111,4cyclictest0-21swapper/100:34:541
31114992110,6cyclictest0-21swapper/122:00:561
3111499210,4cyclictest0-21swapper/100:05:031
3111499210,14cyclictest0-21swapper/119:58:551
3111399215,7cyclictest0-21swapper/021:58:560
3111399212,17cyclictest23994-21chrt23:32:540
31113992119,1cyclictest7-21ksoftirqd/019:58:440
31113992118,2cyclictest1199-21runrttasks19:19:010
31113992110,9cyclictest0-21swapper/022:09:040
31113992110,7cyclictest0-21swapper/021:24:040
31113992110,6cyclictest0-21swapper/021:16:450
31113992110,5cyclictest0-21swapper/022:54:050
31113992110,2cyclictest0-21swapper/020:09:000
31113992110,1cyclictest0-21swapper/021:36:040
3111399210,20cyclictest0-21swapper/022:24:030
3111399210,14cyclictest14097-21rm21:09:300
2290622110,0sleep10-21swapper/122:48:151
1962122110,0sleep10-21swapper/123:26:431
3111499204,13cyclictest0-21swapper/120:44:051
3111499202,7cyclictest0-21swapper/123:10:571
31114992020,0cyclictest14468-21apache222:37:591
31114992015,3cyclictest14468-21apache221:10:131
31114992011,4cyclictest14468-21apache219:44:081
3111499201,13cyclictest0-21swapper/121:04:031
3111499200,13cyclictest0-21swapper/121:53:581
31113992019,0cyclictest31111-21cyclictest23:51:240
31113992018,2cyclictest0-21swapper/022:03:520
31113992017,2cyclictest802-21apache220:33:080
31113992011,7cyclictest651-21nscd23:46:570
31113992010,7cyclictest0-21swapper/023:24:480
31113992010,6cyclictest0-21swapper/000:16:060
31113992010,5cyclictest0-21swapper/022:33:580
31113992010,4cyclictest0-21swapper/019:29:020
3111399200,2cyclictest0-21swapper/000:19:020
3111399200,10cyclictest0-21swapper/000:24:000
1157922010,0sleep00-21swapper/023:15:440
3111499196,10cyclictest0-21swapper/122:08:591
3111499195,6cyclictest0-21swapper/119:08:571
31114991918,1cyclictest0-21swapper/122:42:551
31114991910,7cyclictest0-21swapper/122:04:351
31114991910,6cyclictest0-21swapper/100:21:361
31114991910,5cyclictest0-21swapper/119:54:001
31114991910,3cyclictest0-21swapper/100:29:561
3111399197,3cyclictest91rcu_preempt00:08:570
3111399192,10cyclictest0-21swapper/022:48:550
31113991917,1cyclictest7-21ksoftirqd/021:31:570
31113991912,4cyclictest802-21apache219:15:150
31113991912,4cyclictest100150irq/106-eth1-rx22:29:140
31113991910,5cyclictest0-21swapper/021:19:000
3111399190,7cyclictest91rcu_preempt19:39:020
3111399190,7cyclictest14317-21/usr/sbin/munin19:48:560
1271321910,0sleep00-21swapper/000:00:150
436621810,1sleep00-21swapper/020:46:050
3237021810,0sleep10-21swapper/120:34:041
3111499185,6cyclictest12304-21diskmemload23:58:541
3111499184,7cyclictest0-21swapper/119:28:571
31114991815,2cyclictest14484-21apache221:29:441
31114991810,7cyclictest0-21swapper/100:15:341
31114991810,4cyclictest0-21swapper/123:28:461
3111499180,1cyclictest0-21swapper/123:44:041
3111399185,7cyclictest636-21nscd23:33:450
3111399185,5cyclictest0-21swapper/023:08:560
3111399183,8cyclictest0-21swapper/020:23:550
3111399182,4cyclictest13294-21/usr/sbin/munin23:18:560
31113991818,0cyclictest0-21swapper/020:13:560
31113991810,0cyclictest11786-21/usr/sbin/munin21:49:030
3111499172,8cyclictest0-21swapper/119:24:001
31114991710,4cyclictest0-21swapper/119:14:051
31114991710,3cyclictest0-21swapper/120:53:561
31114991710,3cyclictest0-21swapper/120:28:571
31114991710,3cyclictest0-21swapper/119:18:591
31114991710,1cyclictest0-21swapper/120:38:571
3111399179,6cyclictest14484-21apache221:58:040
3111399171,7cyclictest778-21ssh00:28:560
31113991712,3cyclictest14468-21apache220:58:480
31113991710,2cyclictest0-21swapper/019:59:000
31113991710,1cyclictest0-21swapper/020:38:580
3111399170,16cyclictest0-21swapper/019:24:090
2714021710,0sleep00-21swapper/020:20:530
3111499165,9cyclictest12881-21munin-node20:04:211
3111399162,6cyclictest0-21swapper/000:35:150
31113991612,1cyclictest14484-21apache221:05:380
31114991514,0cyclictest0-21swapper/120:15:591
31114991512,2cyclictest14468-21apache220:18:581
31114991510,2cyclictest0-21swapper/120:08:481
3111399152,7cyclictest0-21swapper/020:53:560
31113991511,3cyclictest7-21ksoftirqd/020:48:570
31113991510,2cyclictest0-21swapper/020:34:430
31113991310,3cyclictest0-21swapper/020:03:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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