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2026-05-19 - 06:21
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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 all highest latencies:
System rackcslot2.osadl.org (updated Tue May 19, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
82482770,2sleep00-21swapper/021:39:080
249626957,8sleep10-21swapper/119:04:291
266626653,8sleep00-21swapper/019:06:150
3104993210,21cyclictest0-21swapper/021:11:300
3105992910,0cyclictest0-21swapper/120:06:551
3104992928,0cyclictest0-21swapper/022:34:080
3104992923,4cyclictest593-21lldpd21:28:250
3104992822,1cyclictest0-21swapper/022:57:150
3105992720,6cyclictest28160-21apache222:54:171
3104992710,11cyclictest0-21swapper/022:02:500
3105992626,0cyclictest0-21swapper/122:17:151
3105992626,0cyclictest0-21swapper/119:44:091
3105992622,1cyclictest0-21swapper/122:41:531
3105992610,8cyclictest0-21swapper/121:24:541
3105992521,3cyclictest28160-21apache222:28:391
3105992519,2cyclictest0-21swapper/121:46:211
310499254,20cyclictest0-21swapper/023:49:500
3104992524,0cyclictest7-21ksoftirqd/023:28:540
3104992521,3cyclictest28160-21apache223:22:090
310499250,22cyclictest0-21swapper/023:05:450
3105992424,0cyclictest0-21swapper/122:02:011
3105992420,4cyclictest28136-21apache221:32:131
3105992410,11cyclictest0-21swapper/100:03:501
3104992422,1cyclictest24884-21sh21:19:040
3104992421,3cyclictest28136-21apache222:32:320
310499240,13cyclictest0-21swapper/021:14:080
3105992319,2cyclictest28160-21apache222:34:391
3105992310,7cyclictest0-21swapper/120:19:121
3105992310,4cyclictest0-21swapper/100:29:101
3104992310,0cyclictest0-21swapper/023:00:460
3104992310,0cyclictest0-21swapper/022:48:190
310599223,3cyclictest0-21swapper/123:51:121
310599223,13cyclictest0-21swapper/120:34:111
310599223,12cyclictest0-21swapper/120:39:111
3105992211,7cyclictest28136-21apache200:09:561
3105992210,6cyclictest0-21swapper/120:24:061
3105992210,5cyclictest0-21swapper/123:41:511
310599220,22cyclictest0-21swapper/121:58:391
310499224,12cyclictest0-21swapper/019:19:050
3104992210,6cyclictest0-21swapper/021:58:440
3104992210,5cyclictest100150irq/106-eth1-rx22:13:100
3104992210,5cyclictest0-21swapper/022:39:120
3104992210,4cyclictest0-21swapper/023:30:200
159922210,0sleep10-21swapper/100:21:441
3105992118,2cyclictest100250irq/107-eth1-rx00:24:031
3105992116,4cyclictest28136-21apache223:15:291
3105992116,3cyclictest28160-21apache223:29:531
3105992114,3cyclictest28160-21apache223:13:031
3105992110,7cyclictest0-21swapper/119:59:151
310499215,11cyclictest0-21swapper/023:09:060
310499213,11cyclictest0-21swapper/019:24:110
310499212,8cyclictest24992-21ntp_states20:04:110
3104992110,6cyclictest0-21swapper/023:48:160
3104992110,5cyclictest0-21swapper/000:09:070
3104992110,3cyclictest0-21swapper/020:09:080
3104992110,1cyclictest0-21swapper/000:26:180
3018722110,0sleep10-21swapper/122:49:431
310599203,9cyclictest21177-21/usr/sbin/munin00:04:131
3105992018,1cyclictest636-21nscd00:35:231
3105992011,6cyclictest16674-21diskmemload21:14:201
3105992010,8cyclictest0-21swapper/121:49:041
3105992010,4cyclictest0-21swapper/123:44:121
3105992010,4cyclictest0-21swapper/123:01:221
3105992010,0cyclictest0-21swapper/119:39:071
310599200,10cyclictest0-21swapper/123:28:151
310499207,8cyclictest0-21swapper/023:42:200
310499205,11cyclictest0-21swapper/022:49:110
3104992020,0cyclictest0-21swapper/021:04:140
3104992018,1cyclictest7-21ksoftirqd/021:44:100
3104992012,2cyclictest12123-21taskset00:35:040
3104992010,4cyclictest0-21swapper/022:24:060
3104992010,4cyclictest0-21swapper/022:04:090
3104992010,3cyclictest0-21swapper/000:18:290
643421910,1sleep10-21swapper/119:15:201
310599194,8cyclictest0-21swapper/120:54:071
310599193,6cyclictest0-21swapper/120:49:061
3105991919,0cyclictest0-21swapper/119:09:571
3105991916,2cyclictest3102-21cyclictest00:14:191
3105991915,1cyclictest0-21swapper/122:33:451
3105991913,2cyclictest0-21swapper/121:23:191
3105991910,6cyclictest0-21swapper/123:19:521
3105991910,5cyclictest0-21swapper/120:29:081
3105991910,4cyclictest0-21swapper/121:09:051
3105991910,3cyclictest0-21swapper/123:54:031
310599190,14cyclictest0-21swapper/119:24:111
310499195,6cyclictest0-21swapper/023:54:290
310499194,9cyclictest0-21swapper/022:19:050
310499193,10cyclictest0-21swapper/019:54:110
3104991910,4cyclictest0-21swapper/020:28:550
3104991910,4cyclictest0-21swapper/020:14:110
3104991910,3cyclictest0-21swapper/019:53:020
3104991910,3cyclictest0-21swapper/019:29:070
3104991910,2cyclictest0-21swapper/022:14:070
310599182,9cyclictest28318-21runrttasks20:14:061
3105991816,1cyclictest28160-21apache222:04:361
3105991811,6cyclictest0-21swapper/119:21:281
3105991810,8cyclictest0-21swapper/121:43:391
3105991810,6cyclictest24667-21apache_volume22:44:061
3105991810,6cyclictest0-21swapper/121:34:041
3105991810,5cyclictest0-21swapper/119:49:121
3105991810,2cyclictest0-21swapper/121:04:061
310499185,9cyclictest0-21swapper/020:59:170
310499184,8cyclictest0-21swapper/000:04:070
310499183,6cyclictest0-21swapper/021:34:100
310499182,12cyclictest100150irq/106-eth1-rx21:49:050
3104991811,1cyclictest0-21swapper/021:33:050
3104991810,6cyclictest0-21swapper/000:33:420
3104991810,5cyclictest0-21swapper/023:14:080
3104991810,4cyclictest0-21swapper/019:34:190
3104991810,3cyclictest0-21swapper/020:54:080
3104991810,3cyclictest0-21swapper/020:34:090
3104991810,3cyclictest0-21swapper/019:09:050
3104991810,2cyclictest0-21swapper/020:49:060
292421810,0sleep00-21swapper/020:30:500
1905521810,0sleep00-21swapper/000:01:460
310599175,7cyclictest0-21swapper/120:09:091
310599172,10cyclictest0-21swapper/120:44:061
3105991710,3cyclictest0-21swapper/122:09:101
3105991710,3cyclictest0-21swapper/121:02:481
310599170,11cyclictest0-21swapper/123:04:081
310499174,11cyclictest0-21swapper/023:34:000
310499172,8cyclictest0-21swapper/019:39:090
3104991710,3cyclictest0-21swapper/000:20:260
3104991710,2cyclictest0-21swapper/020:19:030
3104991710,1cyclictest0-21swapper/019:15:380
310499170,16cyclictest0-21swapper/020:02:230
1422921710,1sleep10-21swapper/119:36:351
310599168,7cyclictest0-21swapper/119:54:081
310599161,5cyclictest11811-21/usr/sbin/munin19:29:141
3105991612,3cyclictest100150irq/106-eth1-rx22:19:181
3105991610,1cyclictest0-21swapper/123:34:101
310499163,5cyclictest0-21swapper/020:39:150
3104991510,2cyclictest0-21swapper/019:44:070
3104991510,1cyclictest0-21swapper/020:45:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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