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2026-07-02 - 16:47
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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 Thu Jul 02, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1778527057,8sleep10-21swapper/107:08:051
1755326849,8sleep00-21swapper/007:05:370
18013993333,0cyclictest0-21swapper/110:10:021
1801399300,1cyclictest0-21swapper/108:23:471
18012993010,2cyclictest0-21swapper/009:25:250
18013992910,12cyclictest0-21swapper/107:28:171
18013992810,0cyclictest0-21swapper/110:07:521
1801399280,23cyclictest0-21swapper/112:13:031
18012992727,0cyclictest0-21swapper/011:22:460
18012992710,1cyclictest0-21swapper/010:45:490
18013992626,0cyclictest0-21swapper/108:14:211
18012992610,2cyclictest0-21swapper/010:14:300
18013992525,0cyclictest0-21swapper/111:01:261
18013992524,1cyclictest0-21swapper/108:10:551
18013992523,1cyclictest20106-21df_inode10:18:431
18013992510,7cyclictest0-21swapper/109:54:461
18013992510,5cyclictest0-21swapper/107:58:491
18013992510,12cyclictest0-21swapper/107:57:291
18012992524,1cyclictest0-21swapper/010:37:060
1801299252,22cyclictest0-21swapper/009:11:220
18012992510,6cyclictest0-21swapper/012:29:160
18012992510,0cyclictest0-21swapper/012:23:210
1801399243,16cyclictest0-21swapper/109:33:531
18013992419,4cyclictest27907-21apache210:53:131
18013992417,4cyclictest28169-21diskmemload11:58:051
1801399241,1cyclictest0-21swapper/112:24:051
18013992410,9cyclictest0-21swapper/107:16:051
1801399240,3cyclictest11895-21ssh12:18:511
1801299244,19cyclictest0-21swapper/009:20:490
1801399231,6cyclictest101rcu_sched08:28:311
18013992310,1cyclictest0-21swapper/109:17:571
1801399230,4cyclictest0-21swapper/109:51:181
1801299232,13cyclictest20457-21apache_processe11:03:420
18012992318,3cyclictest1199-21runrttasks11:11:350
18012992310,5cyclictest0-21swapper/007:43:430
18012992310,1cyclictest0-21swapper/010:06:350
18012992310,12cyclictest0-21swapper/008:03:420
1801299230,2cyclictest0-21swapper/009:30:460
18013992220,1cyclictest636-21nscd11:20:031
18013992217,4cyclictest27889-21apache210:14:051
18013992215,3cyclictest18630-21/usr/sbin/munin08:33:541
18013992210,9cyclictest0-21swapper/112:35:571
18013992210,6cyclictest0-21swapper/111:38:281
18013992210,1cyclictest0-21swapper/109:58:451
1801299227,8cyclictest0-21swapper/011:00:100
18012992216,3cyclictest100250irq/107-eth1-rx09:37:320
18012992210,5cyclictest0-21swapper/011:58:460
1801399217,11cyclictest0-21swapper/110:33:491
1801399213,16cyclictest18272-21irqstats11:43:461
18013992116,4cyclictest231ktimersoftd/110:43:471
18013992110,7cyclictest0-21swapper/109:48:111
18013992110,5cyclictest0-21swapper/107:48:501
1801299215,12cyclictest0-21swapper/010:18:440
1801299215,11cyclictest0-21swapper/009:38:440
1801299211,6cyclictest0-21swapper/009:53:460
18012992116,4cyclictest27907-21apache210:39:370
18012992116,3cyclictest100150irq/106-eth1-rx12:09:070
18012992114,2cyclictest0-21swapper/009:59:120
18012992110,3cyclictest0-21swapper/011:48:450
18012992110,0cyclictest0-21swapper/011:13:420
1801299210,21cyclictest0-21swapper/010:28:420
1801299210,18cyclictest0-21swapper/007:25:340
40782200,1sleep04041-21ssh09:13:440
1801399205,10cyclictest0-21swapper/111:03:511
1801399205,10cyclictest0-21swapper/108:58:441
1801399202,15cyclictest0-21swapper/108:43:421
18013992019,0cyclictest0-21swapper/111:16:261
18013992015,3cyclictest18010-21cyclictest10:28:431
18013992011,3cyclictest0-21swapper/109:23:321
18013992010,5cyclictest0-21swapper/112:18:181
1801399200,14cyclictest0-21swapper/111:23:471
1801299206,8cyclictest0-21swapper/012:13:440
1801299203,14cyclictest0-21swapper/009:47:340
18012992020,0cyclictest0-21swapper/010:56:410
18012992019,1cyclictest18010-21cyclictest11:44:050
18012992018,1cyclictest25163-21ssh10:24:270
18012992010,9cyclictest0-21swapper/012:07:030
18012992010,6cyclictest0-21swapper/008:28:510
18012992010,5cyclictest0-21swapper/011:33:440
18012992010,4cyclictest0-21swapper/008:18:500
18012992010,4cyclictest0-21swapper/007:33:510
80552190,1sleep1221rcuc/109:18:441
2697221910,0sleep10-21swapper/111:12:151
1801399193,10cyclictest0-21swapper/108:18:521
18013991910,7cyclictest0-21swapper/109:31:351
18013991910,4cyclictest0-21swapper/111:48:431
18013991910,0cyclictest0-21swapper/110:23:511
1801399190,12cyclictest0-21swapper/111:28:431
1801299192,10cyclictest0-21swapper/008:43:420
18012991919,0cyclictest0-21swapper/011:28:470
18012991918,0cyclictest7-21ksoftirqd/011:38:420
18012991915,4cyclictest27907-21apache211:28:170
18012991910,5cyclictest0-21swapper/009:06:250
18012991910,5cyclictest0-21swapper/008:38:430
18012991910,3cyclictest0-21swapper/010:08:430
18012991910,3cyclictest0-21swapper/008:13:430
667921810,1sleep00-21swapper/008:00:400
434421810,0sleep10-21swapper/110:40:381
1801399186,5cyclictest0-21swapper/108:48:431
1801399182,8cyclictest0-21swapper/108:53:521
18013991815,2cyclictest21666-21apache207:21:441
1801399181,1cyclictest16100-21rm10:57:311
18013991811,5cyclictest21666-21apache207:33:211
1801399181,11cyclictest0-21swapper/107:41:551
18013991810,4cyclictest0-21swapper/111:38:461
18013991810,4cyclictest0-21swapper/107:33:411
18013991810,2cyclictest0-21swapper/109:40:131
1801299184,7cyclictest0-21swapper/008:58:460
1801299182,9cyclictest0-21swapper/010:48:460
18012991810,5cyclictest0-21swapper/011:53:440
18012991810,4cyclictest0-21swapper/007:48:420
18012991810,0cyclictest0-21swapper/012:33:510
1801399176,7cyclictest0-21swapper/112:28:511
1801399172,14cyclictest0-21swapper/108:03:501
1801399171,9cyclictest0-21swapper/107:08:421
18013991714,1cyclictest31967-21diskmemload11:59:511
18013991710,4cyclictest0-21swapper/109:03:481
18012991710,6cyclictest0-21swapper/007:13:550
18012991710,3cyclictest0-21swapper/007:08:460
18013991611,2cyclictest100150irq/106-eth1-rx08:39:161
18013991610,3cyclictest0-21swapper/107:43:421
18013991610,2cyclictest0-21swapper/112:03:391
1801399160,12cyclictest2277-21runrttasks09:11:061
1801299166,5cyclictest14660-21/usr/sbin/munin12:23:440
18012991615,1cyclictest0-21swapper/009:48:450
18012991612,2cyclictest100150irq/106-eth1-rx07:56:370
18012991610,5cyclictest0-21swapper/007:28:430
18012991610,3cyclictest0-21swapper/008:33:520
18012991610,2cyclictest0-21swapper/008:56:150
18012991610,2cyclictest0-21swapper/007:38:330
1801299154,7cyclictest0-21swapper/008:23:440
18012991510,3cyclictest0-21swapper/007:18:440
18012991510,1cyclictest0-21swapper/008:51:300
18012991410,4cyclictest0-21swapper/008:08:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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