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2025-12-06 - 23:00
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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 376 highest latencies:
System rackcslot2.osadl.org (updated Sat Dec 06, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
231252740,0sleep023124-21seq09:51:530
506127254,7sleep10-21swapper/107:03:071
526026957,8sleep00-21swapper/007:05:110
14362630,0sleep10-21swapper/110:05:531
213702520,0sleep00-21swapper/010:31:420
5583993410,1cyclictest0-21swapper/010:05:560
5583993110,0cyclictest0-21swapper/008:57:330
5583992910,18cyclictest0-21swapper/008:22:370
558399290,29cyclictest0-21swapper/007:34:550
558499280,6cyclictest0-21swapper/112:16:531
5583992810,17cyclictest0-21swapper/007:09:210
5584992710,13cyclictest0-21swapper/110:09:271
5583992726,0cyclictest81ktimersoftd/012:24:030
558399270,3cyclictest0-21swapper/010:16:060
558499265,12cyclictest0-21swapper/110:51:591
5584992626,0cyclictest0-21swapper/110:19:381
5584992618,7cyclictest15409-21apache210:23:191
5584992610,6cyclictest0-21swapper/109:11:531
5583992610,6cyclictest0-21swapper/009:36:590
558499251,19cyclictest19479-21diskmemload09:34:281
558399251,23cyclictest0-21swapper/011:25:400
5583992510,9cyclictest0-21swapper/012:33:420
558499246,17cyclictest13268-21kworker/1:211:02:291
558499246,13cyclictest0-21swapper/109:47:261
5584992423,1cyclictest8610-21irqstats08:36:561
5584992412,7cyclictest31363-21cron09:21:401
558399240,20cyclictest14725-21python10:22:010
558399240,13cyclictest0-21swapper/007:16:510
66392230,0sleep06633-21seq11:36:540
5584992318,4cyclictest15409-21apache209:08:451
5584992310,3cyclictest0-21swapper/111:15:391
558399235,9cyclictest0-21swapper/010:37:030
5583992318,4cyclictest15409-21apache211:55:120
5583992310,12cyclictest0-21swapper/011:16:220
5584992217,3cyclictest15425-21apache212:35:091
5584992217,3cyclictest15425-21apache210:41:471
5584992210,7cyclictest0-21swapper/107:56:121
5583992221,1cyclictest15409-21apache210:51:540
5583992221,0cyclictest0-21swapper/010:59:240
5583992219,2cyclictest0-21swapper/012:04:400
5583992210,8cyclictest0-21swapper/009:48:580
5583992210,8cyclictest0-21swapper/008:41:540
558399220,5cyclictest0-21swapper/012:07:350
558399220,4cyclictest0-21swapper/009:59:130
558499214,12cyclictest0-21swapper/108:46:571
558499213,12cyclictest0-21swapper/112:26:301
558499212,15cyclictest0-21swapper/107:41:551
5584992120,1cyclictest15425-21apache210:34:531
5584992118,3cyclictest15425-21apache212:14:381
5584992116,5cyclictest15409-21apache209:53:071
558499211,15cyclictest13458-21idleruntime-cro11:46:391
5584992110,6cyclictest0-21swapper/108:01:511
558399215,9cyclictest0-21swapper/008:51:550
558399213,16cyclictest0-21swapper/011:27:320
5583992119,1cyclictest16487-21ssh09:42:360
5583992119,1cyclictest0-21swapper/010:18:250
5583992114,7cyclictest0-21swapper/010:45:350
5583992111,7cyclictest0-21swapper/010:08:490
558399210,3cyclictest0-21swapper/009:13:140
558399210,18cyclictest0-21swapper/010:47:470
558499205,14cyclictest0-21swapper/108:06:521
558499203,11cyclictest0-21swapper/107:11:561
5584992019,0cyclictest15425-21apache211:48:441
5584992018,1cyclictest18540-21snmpd09:24:131
558499201,18cyclictest0-21swapper/107:26:551
558499201,11cyclictest636-21nscd07:47:001
5584992010,9cyclictest97850irq/107-eth1-rx09:58:271
5584992010,4cyclictest0-21swapper/111:06:571
5584992010,4cyclictest0-21swapper/108:16:521
5584992010,3cyclictest0-21swapper/111:56:531
558499200,20cyclictest13268-21kworker/1:211:37:311
558399207,7cyclictest0-21swapper/009:26:570
558399205,14cyclictest0-21swapper/008:15:150
5583992016,3cyclictest15425-21apache209:18:000
5583992015,2cyclictest11954-21apache_processe11:01:520
5583992014,4cyclictest15425-21apache212:14:480
5583992011,3cyclictest22488-21unixbench_singl07:47:020
5583992010,3cyclictest0-21swapper/008:47:050
558399200,1cyclictest0-21swapper/008:17:570
2658022010,0sleep10-21swapper/111:20:221
558499194,12cyclictest0-21swapper/108:11:571
558499194,11cyclictest0-21swapper/109:27:021
558499192,10cyclictest0-21swapper/108:41:541
5584991918,0cyclictest0-21swapper/107:22:181
5584991914,3cyclictest13268-21kworker/1:208:33:171
5584991910,8cyclictest0-21swapper/111:24:091
5584991910,6cyclictest0-21swapper/112:29:001
5583991918,1cyclictest17441-21ssh10:26:430
5583991916,2cyclictest3470-21munin-node09:03:390
558399191,17cyclictest0-21swapper/009:26:110
5583991910,5cyclictest0-21swapper/011:17:440
5583991910,4cyclictest10728-21ssh12:26:560
5583991910,3cyclictest0-21swapper/008:38:220
558499187,9cyclictest0-21swapper/107:56:521
558499186,6cyclictest0-21swapper/107:31:401
558499184,10cyclictest0-21swapper/109:41:541
558499181,7cyclictest18149-21ssh11:51:581
5584991811,3cyclictest0-21swapper/109:05:031
5584991810,3cyclictest0-21swapper/111:30:001
5584991810,2cyclictest0-21swapper/110:48:321
5584991810,2cyclictest0-21swapper/110:27:151
5584991810,2cyclictest0-21swapper/108:21:541
558499180,15cyclictest0-21swapper/112:02:001
558399189,8cyclictest81ktimersoftd/007:11:560
558399185,7cyclictest0-21swapper/011:06:590
558399184,5cyclictest17135-21basename11:51:390
5583991814,4cyclictest0-21swapper/011:46:070
5583991811,3cyclictest0-21swapper/011:31:550
5583991810,8cyclictest0-21swapper/008:04:500
5583991810,4cyclictest0-21swapper/012:00:000
5583991810,3cyclictest0-21swapper/009:32:530
5583991810,3cyclictest0-21swapper/008:27:010
558399180,13cyclictest0-21swapper/012:16:590
2728421810,0sleep10-21swapper/110:38:471
5584991712,3cyclictest97850irq/107-eth1-rx11:35:381
5584991710,4cyclictest0-21swapper/112:06:501
5584991710,3cyclictest0-21swapper/107:06:531
5584991710,2cyclictest0-21swapper/109:40:411
5584991710,1cyclictest0-21swapper/107:17:561
5584991710,0cyclictest0-21swapper/108:26:531
558399174,7cyclictest15096-21apt-get07:31:400
558399172,8cyclictest25829-21/usr/sbin/munin07:56:570
5583991713,2cyclictest15425-21apache208:34:020
558399171,10cyclictest0-21swapper/007:51:530
5583991710,2cyclictest0-21swapper/009:10:340
5583991710,2cyclictest0-21swapper/007:41:530
558499166,9cyclictest0-21swapper/108:56:531
5584991612,2cyclictest0-21swapper/110:56:471
5584991610,3cyclictest0-21swapper/107:36:511
5584991610,2cyclictest0-21swapper/110:11:411
5583991614,1cyclictest30439-21sshd08:09:230
5583991611,3cyclictest1252-21apache207:22:580
5583991610,5cyclictest0-21swapper/007:36:570
558499152,7cyclictest0-21swapper/108:52:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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