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2025-11-25 - 15:09
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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 Nov 25, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2946626957,8sleep00-21swapper/019:01:470
3100826854,9sleep10-21swapper/119:04:271
139852680,0sleep00-21swapper/022:36:560
31410993535,0cyclictest0-21swapper/020:50:300
31411993210,6cyclictest0-21swapper/120:41:571
31410993210,4cyclictest0-21swapper/023:53:120
31410993110,0cyclictest0-21swapper/021:48:010
3141099310,1cyclictest0-21swapper/023:28:350
31410993022,4cyclictest29047-21apache222:15:250
31411992828,0cyclictest0-21swapper/100:32:141
3141199281,26cyclictest0-21swapper/121:30:351
31411992810,9cyclictest0-21swapper/122:24:421
31410992826,1cyclictest0-21swapper/023:22:010
31410992810,3cyclictest0-21swapper/000:24:120
31410992810,18cyclictest0-21swapper/019:21:060
31411992724,2cyclictest231ktimersoftd/120:47:291
31411992712,12cyclictest0-21swapper/122:30:071
31410992727,0cyclictest0-21swapper/020:30:080
31411992610,5cyclictest0-21swapper/100:17:081
3141199260,3cyclictest0-21swapper/122:47:271
3141099260,22cyclictest0-21swapper/023:16:250
31411992510,2cyclictest0-21swapper/122:00:381
31411992510,10cyclictest0-21swapper/120:52:541
31410992510,2cyclictest17174-21kworker/u4:021:30:110
3141099250,22cyclictest0-21swapper/022:32:030
3141199247,16cyclictest0-21swapper/123:10:341
31411992422,1cyclictest29075-21apache222:16:581
3141199239,4cyclictest0-21swapper/121:40:501
31411992317,4cyclictest29047-21apache219:48:551
31411992315,5cyclictest1913-21ssh21:35:091
31411992310,7cyclictest0-21swapper/100:13:391
31410992320,2cyclictest29075-21apache223:10:110
3141099231,1cyclictest0-21swapper/023:38:180
31410992310,7cyclictest0-21swapper/022:57:440
31410992310,4cyclictest0-21swapper/022:17:420
3141099230,0cyclictest0-21swapper/019:37:590
3141199226,12cyclictest0-21swapper/121:11:571
3141199222,19cyclictest0-21swapper/119:11:581
31411992220,2cyclictest817-21apache221:53:541
31411992218,2cyclictest29075-21apache222:52:091
31411992210,8cyclictest0-21swapper/123:01:211
31411992210,7cyclictest0-21swapper/122:11:561
31411992210,6cyclictest0-21swapper/123:33:351
3141199220,4cyclictest0-21swapper/122:08:381
3141199220,19cyclictest26763-21rm21:25:141
3141199220,15cyclictest0-21swapper/121:42:581
31410992219,2cyclictest29047-21apache222:29:590
31410992218,3cyclictest29047-21apache200:03:210
31410992217,3cyclictest2511-21grep20:37:060
307772220,1sleep00-21swapper/000:31:370
31411992121,0cyclictest0-21swapper/119:21:361
31411992119,1cyclictest29075-21apache221:08:021
3141199211,18cyclictest0-21swapper/121:19:391
3141199211,13cyclictest0-21swapper/121:02:001
31411992110,5cyclictest0-21swapper/122:02:241
3141199210,3cyclictest0-21swapper/123:06:151
3141099213,13cyclictest27032-21sh22:09:510
31410992119,1cyclictest12590-21diskmemload21:36:090
31410992118,1cyclictest29075-21apache221:41:570
31410992117,3cyclictest29075-21apache200:34:390
31410992113,7cyclictest97850irq/107-eth1-rx23:57:310
31410992110,4cyclictest0-21swapper/023:02:020
3141199207,12cyclictest15614-21kworker/1:020:34:551
3141199205,8cyclictest0-21swapper/119:56:561
3141199202,9cyclictest0-21swapper/123:50:271
31411992017,0cyclictest0-21swapper/123:12:161
3141199201,6cyclictest0-21swapper/100:09:251
31411992015,3cyclictest29047-21apache223:27:351
31411992010,6cyclictest0-21swapper/123:36:511
3141099206,11cyclictest0-21swapper/021:11:570
3141099205,7cyclictest0-21swapper/021:22:040
31410992019,0cyclictest0-21swapper/021:20:410
31410992010,7cyclictest0-21swapper/022:43:120
31410992010,7cyclictest0-21swapper/019:43:420
31410992010,4cyclictest0-21swapper/020:01:550
31410992010,3cyclictest0-21swapper/000:06:570
3141099200,9cyclictest8927-21apache_processe20:56:550
2935622010,0sleep10-21swapper/120:24:051
1654622010,0sleep10-21swapper/123:24:461
597621910,0sleep00-21swapper/022:25:510
31411991912,6cyclictest29047-21apache220:58:251
31411991910,6cyclictest0-21swapper/120:18:211
31411991910,5cyclictest0-21swapper/122:45:361
31411991910,1cyclictest0-21swapper/100:21:561
3141199190,11cyclictest10174-21idleruntime-cro00:01:441
3141099196,8cyclictest0-21swapper/020:07:020
3141099194,9cyclictest0-21swapper/019:47:080
3141099193,9cyclictest0-21swapper/020:31:570
31410991917,1cyclictest29075-21apache219:34:250
31410991916,1cyclictest817-21apache219:22:470
31410991916,1cyclictest31408-21cyclictest23:17:400
31410991910,3cyclictest0-21swapper/022:46:570
31410991910,3cyclictest0-21swapper/021:56:550
31410991910,2cyclictest0-21swapper/021:56:230
31410991910,2cyclictest0-21swapper/019:06:570
2569521910,0sleep00-21swapper/020:16:330
1278721910,0sleep10-21swapper/121:50:231
1029421910,0sleep10-21swapper/123:16:511
3141199186,7cyclictest10402-21apache_accesses00:01:571
3141199186,11cyclictest0-21swapper/119:31:581
3141199184,7cyclictest0-21swapper/123:52:031
31411991810,5cyclictest0-21swapper/122:40:491
31411991810,4cyclictest0-21swapper/119:26:571
3141199180,8cyclictest0-21swapper/120:06:571
3141199180,11cyclictest11568-21grep22:32:051
3141099186,7cyclictest12590-21diskmemload23:46:560
3141099184,8cyclictest0-21swapper/020:22:110
3141099183,12cyclictest0-21swapper/022:02:030
3141099182,2cyclictest0-21swapper/019:52:040
2768521810,0sleep10-21swapper/100:27:001
1452821810,0sleep00-21swapper/021:07:530
3141199173,10cyclictest0-21swapper/123:41:571
31411991710,1cyclictest0-21swapper/120:36:571
31411991710,0cyclictest0-21swapper/119:11:271
31410991710,4cyclictest0-21swapper/021:38:060
31410991710,2cyclictest0-21swapper/023:35:440
31410991710,2cyclictest0-21swapper/019:27:030
31410991710,2cyclictest0-21swapper/000:19:570
31410991710,1cyclictest0-21swapper/000:12:510
3141099170,3cyclictest0-21swapper/023:43:370
3141199166,6cyclictest0-21swapper/120:26:561
31411991614,1cyclictest231ktimersoftd/120:16:441
31411991610,3cyclictest0-21swapper/119:52:021
31411991610,2cyclictest0-21swapper/120:01:581
3141099164,6cyclictest636-21nscd22:56:290
31410991610,4cyclictest0-21swapper/020:52:050
1254021610,1sleep00-21swapper/021:06:210
3141199158,3cyclictest11042-21if_eth019:37:011
3141199154,7cyclictest12754-21tune2fs19:41:571
3141199153,7cyclictest0-21swapper/119:22:031
3141099152,6cyclictest26851-21/usr/sbin/munin20:17:050
31410991510,2cyclictest0-21swapper/020:42:000
1978821510,1sleep00-21swapper/019:59:510
3141099143,2cyclictest0-21swapper/019:11:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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