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2026-06-10 - 15:39
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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 100 highest latencies:
System rackcslot2.osadl.org (updated Wed Jun 10, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
907826754,8sleep10-21swapper/107:04:111
246182660,1sleep00-21swapper/009:08:590
911426553,8sleep00-21swapper/007:04:320
159472620,0sleep10-21swapper/110:23:441
101402610,1sleep00-21swapper/010:14:390
9751993410,23cyclictest0-21swapper/109:50:121
9750993210,5cyclictest0-21swapper/010:43:300
9751993010,2cyclictest0-21swapper/110:54:161
9750993010,1cyclictest0-21swapper/007:54:020
975199290,5cyclictest0-21swapper/109:09:021
9751992828,0cyclictest0-21swapper/108:25:131
9750992810,9cyclictest0-21swapper/010:24:560
9751992719,5cyclictest19568-21apache212:18:321
975099270,4cyclictest0-21swapper/010:51:300
9751992610,4cyclictest100150irq/106-eth1-rx10:49:371
975199258,16cyclictest10115-21kworker/1:011:18:501
9751992510,0cyclictest0-21swapper/109:29:521
9750992519,5cyclictest19568-21apache210:29:550
975199242,21cyclictest8885-21diskstats12:23:541
9751992419,3cyclictest19594-21apache211:34:001
9751992410,8cyclictest0-21swapper/110:35:281
9751992410,10cyclictest0-21swapper/110:42:431
975099242,1cyclictest0-21swapper/010:53:490
9750992412,6cyclictest19568-21apache212:18:540
9750992410,7cyclictest0-21swapper/010:43:570
9750992410,13cyclictest0-21swapper/011:48:190
2265322411,0sleep10-21swapper/110:32:221
975199234,18cyclictest10115-21kworker/1:011:54:581
975199232,11cyclictest0-21swapper/112:18:531
9751992317,4cyclictest17477-21sh10:24:231
9751992310,6cyclictest0-21swapper/110:11:551
9751992310,6cyclictest0-21swapper/110:11:551
9750992312,6cyclictest100150irq/106-eth1-rx12:14:310
9750992310,7cyclictest0-21swapper/010:36:450
9750992310,2cyclictest0-21swapper/009:53:580
9750992310,1cyclictest0-21swapper/009:35:000
9750992310,1cyclictest0-21swapper/009:28:060
975099230,2cyclictest0-21swapper/011:49:030
975099230,22cyclictest8018-21irqstats11:39:000
975099230,0cyclictest0-21swapper/012:35:420
975199225,12cyclictest0-21swapper/107:54:031
9751992222,0cyclictest0-21swapper/109:54:391
9751992216,5cyclictest21830-21ssh09:48:041
9751992210,6cyclictest0-21swapper/108:40:591
9751992210,5cyclictest0-21swapper/110:06:361
9751992210,4cyclictest0-21swapper/108:28:541
975199220,0cyclictest0-21swapper/112:02:441
9750992222,0cyclictest0-21swapper/010:08:290
9750992220,1cyclictest19883-21users09:44:030
9750992210,5cyclictest0-21swapper/008:19:010
9750992210,3cyclictest0-21swapper/007:24:020
9750992210,1cyclictest0-21swapper/009:49:280
975099220,20cyclictest23623-21diskmemload10:21:320
2466222210,0sleep00-21swapper/012:01:110
975199215,9cyclictest0-21swapper/108:18:561
975199213,9cyclictest0-21swapper/112:33:561
9751992120,1cyclictest19568-21apache208:54:591
9751992110,7cyclictest0-21swapper/108:58:541
9751992110,6cyclictest0-21swapper/111:45:181
9751992110,6cyclictest0-21swapper/111:13:541
9751992110,6cyclictest0-21swapper/110:03:251
9751992110,4cyclictest0-21swapper/107:18:581
975099219,9cyclictest0-21swapper/009:13:540
975099216,7cyclictest0-21swapper/010:08:530
975099216,7cyclictest0-21swapper/010:08:530
975099212,4cyclictest0-21swapper/007:33:430
975099212,3cyclictest0-21swapper/011:00:020
975099212,11cyclictest0-21swapper/008:38:550
9750992120,1cyclictest0-21swapper/011:33:190
975099211,9cyclictest0-21swapper/008:13:550
9750992117,3cyclictest19594-21apache209:29:000
9750992111,4cyclictest31708-21runrttasks12:10:050
9750992110,6cyclictest0-21swapper/012:03:590
9750992110,6cyclictest0-21swapper/012:03:590
9750992110,4cyclictest0-21swapper/011:23:560
9750992110,1cyclictest0-21swapper/011:08:540
9750992110,0cyclictest0-21swapper/009:04:410
975099210,0cyclictest11470-21grep08:34:060
2118222110,0sleep10-21swapper/107:36:291
1801922110,0sleep10-21swapper/109:43:161
975199207,10cyclictest10115-21kworker/1:012:03:501
975199207,10cyclictest10115-21kworker/1:012:03:501
975199205,10cyclictest0-21swapper/108:34:001
9751992019,0cyclictest0-21swapper/109:36:191
9751992014,3cyclictest9748-21cyclictest12:11:561
9751992012,5cyclictest100150irq/106-eth1-rx09:04:161
9751992011,5cyclictest0-21swapper/108:44:001
9751992010,7cyclictest0-21swapper/111:12:591
9751992010,2cyclictest0-21swapper/111:03:471
975199200,9cyclictest0-21swapper/108:04:011
975099206,8cyclictest0-21swapper/008:53:540
975099204,7cyclictest0-21swapper/008:29:010
975099202,9cyclictest0-21swapper/007:38:530
9750992017,1cyclictest19594-21apache209:39:130
9750992015,4cyclictest19568-21apache212:28:570
9750992015,3cyclictest19568-21apache211:57:050
9750992013,4cyclictest19568-21apache211:37:480
975199197,7cyclictest0-21swapper/107:43:581
975199197,6cyclictest0-21swapper/109:18:551
975199193,8cyclictest167-21systemd-journal08:02:211
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