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2026-05-28 - 19:30
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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 May 28, 2026 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1890226956,8sleep10-21swapper/107:08:441
1884926854,9sleep00-21swapper/007:08:110
46752650,0sleep00-21swapper/009:55:010
210362650,1sleep00-21swapper/011:00:300
19093993910,0cyclictest0-21swapper/008:42:150
19093993118,13cyclictest0-21swapper/011:21:270
1909499302,25cyclictest0-21swapper/111:59:541
1909499300,4cyclictest0-21swapper/111:40:381
19094992910,16cyclictest0-21swapper/108:53:461
19093992915,14cyclictest0-21swapper/007:11:230
19093992910,18cyclictest0-21swapper/008:21:150
1909399290,0cyclictest0-21swapper/009:34:070
19093992810,15cyclictest0-21swapper/010:24:030
19094992720,5cyclictest28984-21apache210:02:251
1909499271,2cyclictest0-21swapper/111:13:181
1909499270,1cyclictest0-21swapper/110:11:061
19094992623,2cyclictest22831-21/usr/sbin/munin11:04:001
19093992619,5cyclictest2560-21ssh09:09:530
19093992610,0cyclictest0-21swapper/012:34:320
19094992524,0cyclictest24-21ksoftirqd/109:23:501
19094992520,0cyclictest0-21swapper/111:00:241
19094992510,6cyclictest0-21swapper/107:29:031
19093992523,2cyclictest0-21swapper/010:11:390
19093992510,11cyclictest0-21swapper/010:17:160
437422410,2sleep00-21swapper/010:39:010
19094992423,1cyclictest24-21ksoftirqd/112:30:451
19094992410,7cyclictest0-21swapper/109:23:591
19094992410,6cyclictest0-21swapper/112:09:051
19094992410,6cyclictest0-21swapper/109:48:191
19094992410,14cyclictest0-21swapper/112:34:191
19093992415,9cyclictest0-21swapper/012:01:070
1909499236,13cyclictest28979-21apache209:54:001
1909499236,13cyclictest0-21swapper/108:19:041
1909499234,15cyclictest0-21swapper/110:14:021
19094992313,5cyclictest0-21swapper/107:39:031
19094992310,6cyclictest0-21swapper/112:26:101
1909399236,10cyclictest25907-21kworker/u4:111:43:570
19093992321,1cyclictest502-21/usr/sbin/munin10:34:050
19093992319,3cyclictest28984-21apache209:31:300
19093992318,4cyclictest28984-21apache210:21:220
19093992317,6cyclictest0-21swapper/010:51:510
19093992310,7cyclictest0-21swapper/008:54:010
19093992310,4cyclictest0-21swapper/012:17:350
19093992310,2cyclictest0-21swapper/010:03:510
19093992310,12cyclictest0-21swapper/011:43:350
1909399230,13cyclictest0-21swapper/012:29:050
1909499225,14cyclictest0-21swapper/107:19:031
1909499225,12cyclictest0-21swapper/109:49:091
1909499224,14cyclictest0-21swapper/111:44:081
19094992219,2cyclictest24-21ksoftirqd/109:34:001
19094992210,6cyclictest0-21swapper/107:09:061
19094992210,5cyclictest0-21swapper/107:44:101
19094992210,1cyclictest0-21swapper/111:52:021
19093992216,4cyclictest28958-21apache212:24:350
19093992210,3cyclictest0-21swapper/008:29:010
19093992210,12cyclictest0-21swapper/011:30:110
19093992210,0cyclictest0-21swapper/007:26:240
1909399220,20cyclictest0-21swapper/010:29:540
1909399220,0cyclictest548-21diskmemload10:01:570
1909499216,12cyclictest0-21swapper/111:34:001
1909499215,13cyclictest0-21swapper/109:08:591
19094992119,1cyclictest8357-21ssh09:18:331
19094992118,3cyclictest28984-21apache211:55:261
1909499211,3cyclictest0-21swapper/109:42:031
19094992110,4cyclictest0-21swapper/112:21:371
1909399211,6cyclictest0-21swapper/009:19:060
19093992116,3cyclictest19091-21cyclictest09:52:580
19093992110,8cyclictest0-21swapper/011:24:220
19093992110,7cyclictest0-21swapper/010:54:330
19093992110,11cyclictest0-21swapper/012:10:560
1909399210,14cyclictest32741-21awk07:43:490
1909499206,11cyclictest0-21swapper/110:39:091
1909499205,10cyclictest0-21swapper/107:14:111
1909499202,10cyclictest0-21swapper/110:29:051
19094992010,7cyclictest0-21swapper/110:49:021
19094992010,5cyclictest0-21swapper/111:29:001
19094992010,5cyclictest0-21swapper/110:57:051
19094992010,3cyclictest0-21swapper/111:21:021
19094992010,3cyclictest0-21swapper/107:34:001
1909499200,7cyclictest0-21swapper/107:55:071
1909399205,5cyclictest425-21/usr/sbin/munin07:44:000
1909399201,7cyclictest0-21swapper/011:54:080
19093992010,7cyclictest0-21swapper/008:14:060
19093992010,5cyclictest0-21swapper/009:14:020
1909499195,8cyclictest0-21swapper/108:59:021
19094991918,1cyclictest231ktimersoftd/107:59:111
19094991913,4cyclictest28958-21apache210:18:511
19094991910,6cyclictest0-21swapper/110:04:401
19094991910,5cyclictest0-21swapper/112:08:341
19094991910,4cyclictest0-21swapper/108:29:011
19094991910,3cyclictest0-21swapper/109:33:021
1909399194,9cyclictest0-21swapper/008:04:060
1909399193,5cyclictest0-21swapper/009:39:000
19093991912,1cyclictest81ktimersoftd/011:35:280
19093991911,5cyclictest0-21swapper/011:10:530
19093991911,2cyclictest0-21swapper/012:04:590
19093991910,5cyclictest0-21swapper/009:24:010
19093991910,4cyclictest0-21swapper/011:04:030
19093991910,4cyclictest0-21swapper/009:43:530
19093991910,4cyclictest0-21swapper/009:04:010
19093991910,4cyclictest0-21swapper/007:34:050
2833321810,0sleep00-21swapper/007:31:020
1909499185,7cyclictest0-21swapper/111:14:071
1909499184,10cyclictest0-21swapper/108:24:011
19094991816,1cyclictest0-21swapper/108:54:031
1909499181,3cyclictest0-21swapper/107:49:091
19094991811,5cyclictest25160-21fschecks_time07:24:021
19094991810,4cyclictest0-21swapper/110:44:051
19094991810,3cyclictest0-21swapper/111:25:131
19094991810,3cyclictest0-21swapper/108:44:081
1909499180,8cyclictest0-21swapper/110:33:591
1909399185,8cyclictest0-21swapper/007:49:010
19093991815,2cyclictest802-21apache208:47:020
19093991815,1cyclictest406-21chrt11:17:000
19093991810,4cyclictest0-21swapper/012:20:470
19093991810,4cyclictest0-21swapper/011:53:490
1909499173,9cyclictest0-21swapper/109:04:031
1909499173,6cyclictest0-21swapper/112:18:011
1909499171,12cyclictest0-21swapper/108:34:091
19094991710,4cyclictest0-21swapper/108:04:061
1909399179,5cyclictest0-21swapper/010:45:200
19093991717,0cyclictest81ktimersoftd/007:55:320
19093991714,1cyclictest6719-21if_err_eth307:59:050
19093991710,4cyclictest0-21swapper/008:13:490
19093991710,3cyclictest0-21swapper/008:24:430
19093991710,3cyclictest0-21swapper/007:14:070
1909499162,10cyclictest0-21swapper/110:24:001
19094991615,1cyclictest19091-21cyclictest08:14:051
19094991615,0cyclictest22637-21swap08:39:081
19093991610,2cyclictest0-21swapper/008:49:070
19093991610,2cyclictest0-21swapper/007:19:040
19093991610,1cyclictest0-21swapper/008:35:310
1909499155,8cyclictest0-21swapper/108:08:591
1909399141,6cyclictest29339-21/usr/sbin/munin08:59:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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