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2026-05-31 - 11:34
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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 31, 2026 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2971927360,8sleep10-21swapper/119:05:251
2964026856,8sleep00-21swapper/019:04:360
30225993333,0cyclictest0-21swapper/100:18:421
30224993127,2cyclictest81ktimersoftd/000:09:000
30224993110,20cyclictest0-21swapper/022:17:260
30225992910,15cyclictest0-21swapper/123:36:461
3022499290,28cyclictest0-21swapper/023:32:340
3022499290,25cyclictest0-21swapper/022:51:500
30225992811,12cyclictest0-21swapper/119:38:481
3022499289,18cyclictest0-21swapper/000:24:020
30224992810,0cyclictest0-21swapper/019:38:240
30224992727,0cyclictest0-21swapper/023:46:160
3022499270,24cyclictest1374-21ssh22:19:450
30224992624,1cyclictest81ktimersoftd/021:41:190
30224992621,2cyclictest22172-21sh21:22:050
30224992610,7cyclictest5456-21ssh22:25:350
3022599251,16cyclictest0-21swapper/121:49:541
30225992511,13cyclictest0-21swapper/122:52:581
30225992423,1cyclictest0-21swapper/121:17:451
30225992418,4cyclictest5541-21apache223:25:171
30225992413,6cyclictest0-21swapper/100:03:521
30225992410,11cyclictest0-21swapper/123:44:181
30224992410,10cyclictest0-21swapper/023:54:020
30225992316,5cyclictest5564-21apache223:10:091
30225992310,1cyclictest0-21swapper/121:37:151
30225992310,1cyclictest0-21swapper/100:03:431
3022499235,13cyclictest0-21swapper/000:37:560
30224992318,4cyclictest1199-21runrttasks23:36:420
3022499231,22cyclictest0-21swapper/000:33:390
30224992310,6cyclictest0-21swapper/023:02:310
3022499230,17cyclictest0-21swapper/022:48:240
86182220,1sleep00-21swapper/022:29:130
3022599226,9cyclictest0-21swapper/122:09:051
3022599225,9cyclictest0-21swapper/100:09:091
30225992222,0cyclictest0-21swapper/120:29:361
3022599221,20cyclictest11213-21kworker/u4:123:17:411
30225992210,8cyclictest0-21swapper/122:29:001
30225992210,8cyclictest0-21swapper/120:24:061
30225992210,7cyclictest0-21swapper/123:50:021
30225992210,7cyclictest0-21swapper/121:02:521
30225992210,6cyclictest0-21swapper/122:56:391
30225992210,5cyclictest0-21swapper/123:55:151
30225992210,5cyclictest0-21swapper/122:34:051
3022599220,0cyclictest0-21swapper/120:47:251
3022499223,10cyclictest13587-21fschecks_time19:49:020
3022499221,20cyclictest0-21swapper/023:19:040
30224992210,6cyclictest0-21swapper/021:44:070
30224992210,5cyclictest0-21swapper/019:44:080
30224992210,3cyclictest0-21swapper/000:04:050
3022499220,22cyclictest0-21swapper/022:39:260
3022499220,18cyclictest0-21swapper/021:24:340
15112220,1sleep1221rcuc/123:04:041
3022599219,7cyclictest636-21nscd21:56:151
3022599214,7cyclictest11931-21ssh21:09:011
3022599214,11cyclictest0-21swapper/121:04:031
3022599213,12cyclictest0-21swapper/123:39:001
30225992110,9cyclictest0-21swapper/122:18:171
30225992110,7cyclictest5541-21apache222:08:041
30225992110,5cyclictest0-21swapper/122:03:041
30225992110,5cyclictest0-21swapper/119:24:001
30224992110,9cyclictest0-21swapper/021:50:170
30224992110,5cyclictest0-21swapper/023:09:030
30224992110,0cyclictest0-21swapper/021:09:260
3022599208,7cyclictest636-21nscd23:31:501
3022599206,10cyclictest0-21swapper/119:09:021
3022599203,11cyclictest0-21swapper/121:31:201
3022599202,4cyclictest0-21swapper/100:29:471
30225992010,4cyclictest0-21swapper/123:19:041
30225992010,4cyclictest0-21swapper/100:35:321
30225992010,2cyclictest0-21swapper/100:28:241
3022499205,7cyclictest6743-21timerwakeupswit19:29:090
3022499203,9cyclictest0-21swapper/020:38:590
3022499203,9cyclictest0-21swapper/000:14:090
3022499202,10cyclictest0-21swapper/019:19:000
30224992013,4cyclictest30344-21cpuspeed_turbos19:08:590
30224992010,8cyclictest0-21swapper/022:07:320
30224992010,6cyclictest0-21swapper/021:29:460
30224992010,5cyclictest0-21swapper/019:14:030
30224992010,4cyclictest26963-21apache_volume23:38:590
1791522010,0sleep10-21swapper/122:43:101
1486422010,0sleep00-21swapper/021:54:170
3022599197,6cyclictest0-21swapper/121:19:061
30225991914,1cyclictest0-21swapper/121:41:441
30225991912,5cyclictest0-21swapper/120:04:001
30225991910,5cyclictest0-21swapper/120:14:061
30225991910,4cyclictest0-21swapper/119:44:011
30225991910,3cyclictest0-21swapper/120:09:071
30225991910,2cyclictest0-21swapper/120:54:001
3022499195,7cyclictest0-21swapper/023:15:260
3022499192,4cyclictest0-21swapper/020:04:010
30224991917,1cyclictest167-21systemd-journal21:03:490
30224991913,3cyclictest0-21swapper/022:03:020
3022499191,10cyclictest1591-21ls23:04:040
30224991910,5cyclictest0-21swapper/022:54:390
30224991910,3cyclictest0-21swapper/021:13:490
30224991910,2cyclictest0-21swapper/019:39:040
2901921910,0sleep00-21swapper/020:29:020
2258621910,0sleep00-21swapper/020:12:510
3022599186,6cyclictest5595-21/usr/sbin/munin19:29:041
3022599186,3cyclictest25548-21/usr/sbin/munin20:19:051
3022599184,8cyclictest0-21swapper/121:44:031
3022599183,12cyclictest0-21swapper/119:13:581
30225991814,1cyclictest30222-21cyclictest22:19:081
30225991813,0cyclictest0-21swapper/122:26:061
30225991810,7cyclictest0-21swapper/122:45:581
30225991810,4cyclictest0-21swapper/100:19:051
30225991810,3cyclictest0-21swapper/122:59:371
30225991810,3cyclictest0-21swapper/119:18:591
30225991810,2cyclictest0-21swapper/121:26:361
30225991810,2cyclictest0-21swapper/119:53:591
3022499187,6cyclictest0-21swapper/020:14:080
3022499184,8cyclictest0-21swapper/023:49:080
3022499183,9cyclictest0-21swapper/021:34:050
30224991810,5cyclictest0-21swapper/020:19:010
30224991810,3cyclictest0-21swapper/023:59:000
30224991810,1cyclictest0-21swapper/023:24:090
2576921810,1sleep00-21swapper/000:22:040
3022599173,7cyclictest0-21swapper/119:58:591
3022499175,10cyclictest0-21swapper/021:08:490
3022499173,3cyclictest1199-21runrttasks19:54:050
3022499171,8cyclictest0-21swapper/022:38:450
30224991710,7cyclictest0-21swapper/020:36:090
30224991710,5cyclictest0-21swapper/020:44:000
30224991710,4cyclictest0-21swapper/020:03:480
30224991710,2cyclictest0-21swapper/022:08:560
3192521610,0sleep10-21swapper/120:35:161
3022599167,7cyclictest0-21swapper/120:39:041
3022599165,4cyclictest0-21swapper/119:53:481
3022599164,8cyclictest0-21swapper/119:39:071
30225991613,1cyclictest5084-21/usr/sbin/munin20:49:081
3022499165,7cyclictest0-21swapper/020:55:530
3022499163,9cyclictest0-21swapper/019:23:590
30224991612,2cyclictest100150irq/106-eth1-rx20:24:070
3022499151,7cyclictest0-21swapper/020:49:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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