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2026-05-10 - 06:51
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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 Sun May 10, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
365527057,8sleep10-21swapper/119:07:201
339826632,29sleep00-21swapper/019:04:390
3994994010,29cyclictest27757-21ls20:09:140
3994993612,24cyclictest45-21kswapd000:14:090
399499350,4cyclictest0-21swapper/023:41:190
3995993411,20cyclictest0-21swapper/123:21:421
3994993410,23cyclictest0-21swapper/023:16:590
3994993313,19cyclictest0-21swapper/019:16:260
3994993310,22cyclictest0-21swapper/022:44:140
399499330,6cyclictest100150irq/106-eth1-rx23:53:230
3994993210,21cyclictest0-21swapper/021:47:390
3994993210,21cyclictest0-21swapper/021:47:390
399499320,3cyclictest0-21swapper/019:54:160
3995993125,3cyclictest0-21swapper/123:42:421
399499312,13cyclictest0-21swapper/020:44:190
3994993110,20cyclictest0-21swapper/022:39:090
399499301,5cyclictest0-21swapper/019:59:080
3994993010,19cyclictest0-21swapper/021:14:200
3995992929,0cyclictest0-21swapper/123:13:311
3994992910,1cyclictest0-21swapper/019:29:230
399599280,1cyclictest11674-21load23:49:131
399499282,8cyclictest0-21swapper/023:38:160
399499282,8cyclictest0-21swapper/023:38:160
399499281,8cyclictest0-21swapper/021:19:130
3995992710,0cyclictest0-21swapper/123:00:551
399499274,22cyclictest26220-21/usr/sbin/munin00:09:120
399499273,11cyclictest0-21swapper/021:24:080
399499271,5cyclictest0-21swapper/021:49:110
3994992710,16cyclictest0-21swapper/019:19:170
3994992710,16cyclictest0-21swapper/000:30:440
399599260,5cyclictest16637-21rm23:55:181
3994992618,7cyclictest7917-21apache222:14:170
3994992610,6cyclictest0-21swapper/023:28:210
3994992610,15cyclictest0-21swapper/020:08:480
399599253,20cyclictest0-21swapper/121:59:111
399499256,18cyclictest0-21swapper/019:09:130
3994992510,6cyclictest0-21swapper/000:00:040
3995992412,4cyclictest28668-21ssh21:22:251
3995992411,8cyclictest0-21swapper/100:14:101
3995992410,6cyclictest0-21swapper/123:25:021
3995992410,5cyclictest0-21swapper/120:29:281
399599240,2cyclictest0-21swapper/121:15:021
399499245,19cyclictest0-21swapper/021:39:190
399499241,4cyclictest0-21swapper/022:21:200
399599235,9cyclictest0-21swapper/100:24:161
3995992318,4cyclictest7917-21apache219:16:221
3995992312,5cyclictest0-21swapper/120:24:161
3995992310,8cyclictest0-21swapper/121:44:501
3995992310,8cyclictest0-21swapper/121:44:501
3995992310,6cyclictest0-21swapper/122:45:281
399499234,5cyclictest0-21swapper/022:49:120
3994992317,5cyclictest7910-21apache200:20:030
399499231,2cyclictest17611-21diskmemload23:04:170
3994992311,5cyclictest0-21swapper/022:36:380
3994992310,7cyclictest0-21swapper/020:54:110
399499230,0cyclictest0-21swapper/022:33:080
965422210,0sleep10-21swapper/100:30:001
3995992220,1cyclictest3992-21cyclictest22:43:571
3995992212,9cyclictest8955-21kworker/1:021:13:041
3995992211,5cyclictest0-21swapper/121:24:101
3995992210,7cyclictest0-21swapper/121:51:151
3995992210,2cyclictest0-21swapper/121:35:151
399499225,4cyclictest1337-21runrttasks22:10:280
399499223,6cyclictest0-21swapper/020:34:100
3994992218,3cyclictest0-21swapper/000:06:120
3994992210,8cyclictest0-21swapper/000:27:350
3994992210,12cyclictest0-21swapper/021:32:530
399599213,11cyclictest0-21swapper/122:29:101
3995992121,0cyclictest0-21swapper/121:58:221
3995992121,0cyclictest0-21swapper/119:35:361
3995992116,2cyclictest16487-21memory21:04:151
3995992110,6cyclictest0-21swapper/122:10:071
3995992110,5cyclictest0-21swapper/120:59:181
399599210,20cyclictest8955-21kworker/1:020:11:121
399599210,12cyclictest0-21swapper/119:49:101
399499216,8cyclictest0-21swapper/022:04:180
399499215,5cyclictest0-21swapper/022:02:090
3994992110,4cyclictest0-21swapper/023:19:160
399599207,7cyclictest0-21swapper/119:29:151
399599205,7cyclictest9686-21munin-run19:23:581
399599204,11cyclictest0-21swapper/122:24:131
399599203,14cyclictest0-21swapper/121:41:001
3995992011,5cyclictest0-21swapper/123:44:111
3995992010,5cyclictest0-21swapper/123:34:191
3995992010,5cyclictest0-21swapper/123:34:191
3995992010,5cyclictest0-21swapper/123:06:341
3995992010,5cyclictest0-21swapper/119:54:181
3995992010,4cyclictest0-21swapper/122:49:081
399599200,12cyclictest0-21swapper/120:04:171
399499206,13cyclictest0-21swapper/023:29:290
399499206,12cyclictest17611-21diskmemload21:37:580
399499205,9cyclictest2908-21/usr/sbin/munin20:29:140
3994992016,3cyclictest7910-21apache222:27:160
3994992016,3cyclictest7910-21apache200:34:000
3994992010,9cyclictest21115-21ntp_states21:54:160
3994992010,3cyclictest0-21swapper/019:24:180
3994992010,2cyclictest0-21swapper/022:54:160
3994992010,2cyclictest0-21swapper/021:09:100
3994992010,10cyclictest0-21swapper/023:46:310
137352209,0sleep10-21swapper/100:35:491
3995991917,1cyclictest802-21apache220:35:311
3995991915,3cyclictest7917-21apache221:31:521
3995991910,6cyclictest0-21swapper/123:17:101
3995991910,6cyclictest0-21swapper/100:19:121
3995991910,0cyclictest0-21swapper/120:39:171
399599190,7cyclictest0-21swapper/119:39:111
399599190,17cyclictest0-21swapper/100:09:171
399499196,8cyclictest0-21swapper/023:54:120
399499193,11cyclictest0-21swapper/020:39:150
3994991911,7cyclictest1199-21runrttasks21:08:360
3994991911,3cyclictest0-21swapper/023:09:150
3994991910,5cyclictest0-21swapper/023:00:150
399599185,6cyclictest0-21swapper/119:44:161
3995991817,1cyclictest3992-21cyclictest22:58:551
3995991816,1cyclictest7211-21ls22:19:111
3995991816,1cyclictest100250irq/107-eth1-rx23:59:141
3995991814,3cyclictest231ktimersoftd/100:05:031
3995991810,6cyclictest0-21swapper/120:02:341
3995991810,4cyclictest0-21swapper/122:14:101
3995991810,3cyclictest0-21swapper/123:29:201
399499184,6cyclictest0-21swapper/020:14:180
3994991810,1cyclictest0-21swapper/021:01:450
399599175,8cyclictest0-21swapper/119:09:121
3995991712,4cyclictest7917-21apache222:08:561
3995991710,5cyclictest0-21swapper/120:14:101
3995991710,3cyclictest0-21swapper/120:54:151
3995991710,3cyclictest0-21swapper/120:44:111
399599170,8cyclictest0-21swapper/120:49:181
399499174,9cyclictest0-21swapper/019:44:100
3994991710,2cyclictest0-21swapper/019:50:220
399499170,11cyclictest30923-21apache_accesses20:19:090
399599163,7cyclictest0-21swapper/122:34:091
3995991610,3cyclictest0-21swapper/120:19:091
3995991610,3cyclictest0-21swapper/119:24:101
399499162,5cyclictest0-21swapper/020:49:190
399499152,8cyclictest0-21swapper/019:39:190
3994991511,4cyclictest3992-21cyclictest19:34:420
3994991510,3cyclictest0-21swapper/020:24:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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