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2025-11-02 - 15:21
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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 Nov 02, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
255752740,0sleep025574-21seq09:42:100
1432227150,16sleep10-21swapper/107:02:531
297232690,0sleep00-21swapper/011:09:000
1427826754,8sleep00-21swapper/007:02:260
252302630,0sleep00-21swapper/010:22:130
243162460,0sleep10-21swapper/111:42:551
1488999407,1cyclictest91rcu_preempt10:52:151
14889993635,0cyclictest24-21ksoftirqd/110:36:541
14889993535,0cyclictest24-21ksoftirqd/112:14:291
14889993511,4cyclictest0-21swapper/109:58:171
14889993511,3cyclictest91rcu_preempt11:33:221
14889993424,5cyclictest24-21ksoftirqd/112:19:521
14889993412,1cyclictest91rcu_preempt08:22:131
14889993328,2cyclictest24-21ksoftirqd/111:12:151
1488999329,3cyclictest91rcu_preempt07:40:431
1488999329,1cyclictest91rcu_preempt09:06:571
1488999326,1cyclictest91rcu_preempt12:24:211
14889993217,12cyclictest24-21ksoftirqd/110:27:111
1488999318,1cyclictest91rcu_preempt12:07:381
14889993131,0cyclictest0-21swapper/108:44:291
14889993129,1cyclictest24-21ksoftirqd/109:15:341
14889993124,1cyclictest24-21ksoftirqd/111:53:181
14889993121,7cyclictest24-21ksoftirqd/107:57:111
14889993121,4cyclictest24-21ksoftirqd/112:32:381
1488999309,3cyclictest91rcu_preempt12:06:171
1488999309,2cyclictest91rcu_preempt08:57:521
14889993027,2cyclictest19942-21/usr/sbin/munin10:57:101
14889993025,4cyclictest24-21ksoftirqd/109:42:171
14889993014,12cyclictest24-21ksoftirqd/110:38:021
14889993011,6cyclictest91rcu_preempt08:15:131
1488999300,5cyclictest15288-21dump-pmu-power08:31:541
14889992927,1cyclictest24-21ksoftirqd/111:28:501
14889992926,2cyclictest24-21ksoftirqd/109:17:071
1488999291,27cyclictest14886-21cyclictest09:51:541
14889992827,1cyclictest24-21ksoftirqd/109:38:051
14889992825,2cyclictest22360-21ssh10:18:281
14889992825,2cyclictest0-21swapper/110:04:261
14889992824,3cyclictest27373-21ssh10:25:321
14889992817,4cyclictest231ktimersoftd/108:32:121
1488999279,1cyclictest91rcu_preempt10:43:111
14889992725,1cyclictest24382-21users08:52:151
14889992725,1cyclictest23739-21diskstats11:02:061
14889992724,2cyclictest21405-21diskstats08:47:061
14889992724,2cyclictest15120-21ssh09:28:401
14889992723,3cyclictest9984-21fschecks_time08:17:091
14889992723,3cyclictest0-21swapper/110:11:481
14889992715,5cyclictest24-21ksoftirqd/111:23:341
14889992713,3cyclictest24-21ksoftirqd/107:42:111
14888992722,3cyclictest0-21swapper/009:56:060
1488999265,1cyclictest91rcu_preempt09:23:131
14889992624,2cyclictest26520-21ssh12:28:491
14889992623,2cyclictest636-21nscd11:50:501
14889992623,2cyclictest2819-21apache_accesses11:17:051
14889992623,2cyclictest0-21swapper/108:41:541
14889992622,3cyclictest0-21swapper/107:07:071
14889992621,2cyclictest231ktimersoftd/109:33:541
14889992615,6cyclictest231ktimersoftd/107:52:071
14889992614,9cyclictest24-21ksoftirqd/111:57:001
14888992620,4cyclictest24729-21apache211:51:410
14888992610,7cyclictest0-21swapper/007:27:080
14888992610,1cyclictest0-21swapper/011:54:560
14889992525,0cyclictest0-21swapper/111:38:081
14889992522,2cyclictest31328-21ntp_states07:47:111
14889992522,2cyclictest28768-21diskmemload09:54:481
14889992522,2cyclictest20538-21grep07:21:531
14889992522,2cyclictest0-21swapper/110:47:241
14889992518,3cyclictest24-21ksoftirqd/107:21:591
14889992518,1cyclictest24-21ksoftirqd/110:12:151
14889992516,8cyclictest24795-21apache_accesses07:32:061
1488899258,8cyclictest1-21systemd11:43:280
1488899251,3cyclictest0-21swapper/008:42:210
14888992510,5cyclictest0-21swapper/011:41:150
14888992510,4cyclictest0-21swapper/009:22:080
14888992510,1cyclictest0-21swapper/009:28:350
14889992422,1cyclictest0-21swapper/107:27:091
1488899245,18cyclictest0-21swapper/009:01:340
14888992410,7cyclictest0-21swapper/010:42:070
14888992410,2cyclictest0-21swapper/010:11:520
14889992320,2cyclictest17670-21ls07:12:151
14889992320,2cyclictest0-21swapper/109:02:071
14889992310,6cyclictest0-21swapper/111:07:181
1488899236,16cyclictest0-21swapper/008:54:540
1488899235,10cyclictest0-21swapper/007:57:060
14888992323,0cyclictest0-21swapper/008:04:430
14888992319,3cyclictest14886-21cyclictest11:12:040
14888992312,4cyclictest0-21swapper/007:22:100
14888992310,1cyclictest0-21swapper/011:25:460
14888992310,10cyclictest0-21swapper/010:14:390
1488999224,9cyclictest0-21swapper/108:02:051
1488899225,11cyclictest0-21swapper/007:17:110
1488899222,12cyclictest13521-21apache_processe08:27:070
14888992218,3cyclictest0-21swapper/011:57:060
14888992218,2cyclictest0-21swapper/009:47:050
14888992217,1cyclictest31519-21sh09:09:170
14888992210,6cyclictest0-21swapper/009:35:090
1488899220,7cyclictest0-21swapper/010:47:150
14889992118,3cyclictest0-21swapper/108:11:091
1488899216,3cyclictest21171-21wget12:22:090
1488899214,7cyclictest14385-21cron11:31:540
1488899214,10cyclictest0-21swapper/010:32:100
1488899213,11cyclictest0-21swapper/007:32:120
1488899212,3cyclictest0-21swapper/011:35:200
1488899211,12cyclictest0-21swapper/010:58:070
14888992110,8cyclictest0-21swapper/010:02:100
14888992110,2cyclictest0-21swapper/009:19:050
14888992110,1cyclictest0-21swapper/010:54:120
291512200,1sleep00-21swapper/007:42:080
14888992019,0cyclictest0-21swapper/010:27:150
14888992018,1cyclictest0-21swapper/012:12:470
1488899201,3cyclictest0-21swapper/009:59:400
14888992010,6cyclictest0-21swapper/012:05:360
14888992010,4cyclictest28768-21diskmemload09:37:060
14888992010,3cyclictest0-21swapper/012:32:330
14888992010,3cyclictest0-21swapper/007:37:080
1488899200,2cyclictest0-21swapper/011:18:130
1488899200,20cyclictest0-21swapper/008:36:560
1488899194,12cyclictest0-21swapper/009:12:120
14888991919,0cyclictest0-21swapper/010:41:370
14888991915,3cyclictest26075-21sh12:27:510
14888991910,8cyclictest0-21swapper/012:17:120
14888991910,7cyclictest0-21swapper/008:09:060
1488899185,7cyclictest0-21swapper/007:47:100
1488899184,8cyclictest0-21swapper/008:17:070
1488899183,7cyclictest27552-21/usr/sbin/munin09:02:090
1488899181,8cyclictest0-21swapper/007:12:080
1488899176,5cyclictest0-21swapper/008:22:120
1488899172,8cyclictest28768-21diskmemload11:02:080
14888991710,3cyclictest0-21swapper/007:07:130
14888991710,1cyclictest0-21swapper/008:13:480
1488899164,7cyclictest0-21swapper/010:17:130
14888991513,1cyclictest0-21swapper/007:51:550
14888991510,2cyclictest0-21swapper/008:47:050
14888991510,2cyclictest0-21swapper/008:32:100
14888991510,0cyclictest0-21swapper/012:06:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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