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2025-12-28 - 15:23
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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 Dec 28, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3035826956,8sleep10-21swapper/107:07:541
3043126754,8sleep00-21swapper/007:08:390
53572650,1sleep10-21swapper/111:44:341
30735993810,2cyclictest0-21swapper/112:28:441
30735993410,23cyclictest0-21swapper/110:55:131
30735993210,1cyclictest0-21swapper/110:31:251
30734993210,22cyclictest0-21swapper/011:44:540
30734993210,20cyclictest0-21swapper/012:07:460
30735993130,1cyclictest0-21swapper/109:19:471
30735993129,1cyclictest0-21swapper/111:15:421
3055423027,1sleep10-21swapper/107:09:551
30735992925,4cyclictest231ktimersoftd/111:51:371
30734992727,0cyclictest0-21swapper/012:22:430
3073499271,24cyclictest0-21swapper/011:15:040
30734992711,5cyclictest100250irq/107-eth1-rx10:44:140
30735992611,5cyclictest0-21swapper/107:50:141
3073599260,10cyclictest24970-21df_inode09:25:071
30735992519,4cyclictest636-21nscd10:14:331
30734992510,15cyclictest0-21swapper/009:43:300
30735992417,6cyclictest3951-21ssh12:24:061
30735992416,8cyclictest8124-21kworker/1:211:22:001
30735992415,4cyclictest231ktimersoftd/110:48:201
30735992410,8cyclictest0-21swapper/107:34:551
30735992410,4cyclictest0-21swapper/109:24:521
30734992419,4cyclictest100250irq/107-eth1-rx11:31:230
30734992415,8cyclictest8170-21apache209:51:180
30734992411,5cyclictest0-21swapper/012:30:040
30734992410,1cyclictest0-21swapper/007:26:100
3073499240,19cyclictest744-21snmpd12:28:590
3073599236,10cyclictest0-21swapper/110:40:101
30735992312,5cyclictest0-21swapper/112:35:111
3073599230,2cyclictest27557-21diskstats10:50:091
3073499234,18cyclictest0-21swapper/007:30:110
30734992315,4cyclictest0-21swapper/011:48:450
30734992310,7cyclictest0-21swapper/009:11:180
30734992310,7cyclictest0-21swapper/008:02:420
3073599225,16cyclictest0-21swapper/109:00:081
30735992220,1cyclictest705-21ntpd09:37:131
30735992212,4cyclictest0-21swapper/108:15:081
30735992210,5cyclictest0-21swapper/108:29:551
30735992210,3cyclictest0-21swapper/109:48:531
3073499226,12cyclictest0-21swapper/011:00:180
3073499225,8cyclictest1199-21runrttasks10:54:400
3073499223,18cyclictest0-21swapper/008:20:120
30734992212,7cyclictest0-21swapper/010:58:170
3073499221,20cyclictest0-21swapper/009:15:240
30734992210,8cyclictest0-21swapper/011:05:090
3073599213,2cyclictest0-21swapper/112:15:061
3073599213,10cyclictest0-21swapper/108:35:091
30735992111,4cyclictest0-21swapper/109:05:091
30735992110,5cyclictest0-21swapper/111:05:351
30735992110,5cyclictest0-21swapper/108:50:061
30735992110,4cyclictest0-21swapper/111:55:131
30735992110,3cyclictest0-21swapper/109:49:581
30735992110,0cyclictest0-21swapper/111:45:131
30734992119,1cyclictest7-21ksoftirqd/010:34:500
3073499211,5cyclictest0-21swapper/010:35:090
30734992115,3cyclictest0-21swapper/011:23:260
30734992114,2cyclictest0-21swapper/009:28:450
30734992110,4cyclictest0-21swapper/011:50:070
30734992110,2cyclictest0-21swapper/010:49:250
3073499210,15cyclictest0-21swapper/010:15:110
408822010,0sleep00-21swapper/009:39:520
30735992018,1cyclictest7842-21/usr/sbin/munin10:25:041
30735992017,2cyclictest0-21swapper/109:30:151
30735992016,0cyclictest0-21swapper/112:11:481
30735992014,5cyclictest0-21swapper/111:35:261
30735992014,3cyclictest8170-21apache209:55:221
3073599201,16cyclictest0-21swapper/109:40:031
30735992010,9cyclictest10795-21kworker/1:107:31:521
30735992010,4cyclictest0-21swapper/109:11:451
30735992010,4cyclictest0-21swapper/108:40:101
30735992010,3cyclictest0-21swapper/111:24:551
30735992010,3cyclictest0-21swapper/110:20:541
30735992010,2cyclictest231ktimersoftd/110:07:321
30735992010,2cyclictest0-21swapper/111:32:361
3073499203,11cyclictest0-21swapper/010:05:080
30734992020,0cyclictest0-21swapper/009:55:100
30734992015,4cyclictest8197-21apache208:09:220
30734992014,3cyclictest13152-21taskset12:35:130
30734992010,6cyclictest0-21swapper/012:16:140
30734992010,4cyclictest0-21swapper/009:31:180
30734992010,4cyclictest0-21swapper/008:40:470
30734992010,3cyclictest0-21swapper/009:05:080
1929122010,0sleep119298-21ssh10:39:451
554821910,1sleep10-21swapper/107:26:311
3073599196,8cyclictest0-21swapper/108:05:141
30735991917,1cyclictest0-21swapper/107:20:211
30735991914,2cyclictest0-21swapper/108:00:101
30735991910,3cyclictest0-21swapper/112:33:391
30735991910,1cyclictest0-21swapper/111:00:371
3073599190,19cyclictest0-21swapper/110:00:371
30734991919,0cyclictest0-21swapper/010:29:010
30734991917,1cyclictest636-21nscd11:39:040
30734991911,6cyclictest100250irq/107-eth1-rx09:23:190
30734991910,8cyclictest0-21swapper/012:10:080
30734991910,4cyclictest0-21swapper/012:01:430
30734991910,2cyclictest0-21swapper/011:57:310
30735991815,1cyclictest15926-21/usr/sbin/munin07:55:161
30735991811,5cyclictest0-21swapper/112:09:131
30735991811,4cyclictest744-21snmpd10:15:551
30735991810,3cyclictest0-21swapper/108:34:551
30735991810,2cyclictest0-21swapper/108:55:051
3073499185,6cyclictest0-21swapper/007:55:070
3073499184,8cyclictest0-21swapper/010:20:150
3073499184,12cyclictest0-21swapper/008:10:070
3073499182,6cyclictest0-21swapper/010:11:590
30734991816,2cyclictest30732-21cyclictest10:02:310
30734991812,1cyclictest0-21swapper/011:25:160
30734991810,4cyclictest0-21swapper/007:50:060
30734991810,4cyclictest0-21swapper/007:40:100
3073499180,12cyclictest0-21swapper/009:47:190
3073599173,8cyclictest0-21swapper/107:45:081
30735991710,4cyclictest0-21swapper/111:10:071
30735991710,2cyclictest0-21swapper/107:15:171
30735991710,1cyclictest0-21swapper/112:00:181
3073599170,8cyclictest0-21swapper/108:10:071
3073499172,7cyclictest0-21swapper/011:10:150
30734991712,4cyclictest8197-21apache207:39:170
30734991710,4cyclictest0-21swapper/007:47:040
30734991710,3cyclictest0-21swapper/008:45:080
3275021610,0sleep00-21swapper/008:37:190
30735991610,4cyclictest0-21swapper/108:45:061
3073499163,6cyclictest0-21swapper/007:20:150
30734991610,3cyclictest0-21swapper/007:10:150
30734991610,2cyclictest0-21swapper/008:57:510
3073599154,8cyclictest25654-21cstates08:20:081
3073499152,10cyclictest0-21swapper/008:25:160
3073499151,9cyclictest0-21swapper/008:15:070
3073499151,8cyclictest0-21swapper/007:15:160
30734991510,2cyclictest0-21swapper/008:30:120
3073499150,7cyclictest0-21swapper/008:50:150
3073499150,5cyclictest0-21swapper/009:00:070
3073599141,7cyclictest0-21swapper/107:44:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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