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2025-12-31 - 20:06
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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 100 highest latencies:
System rackcslot2.osadl.org (updated Wed Dec 31, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1173526957,8sleep00-21swapper/007:06:320
160702680,0sleep00-21swapper/010:17:150
1202026855,9sleep10-21swapper/107:09:301
265282670,0sleep10-21swapper/111:54:051
54132650,0sleep10-21swapper/111:26:011
12238993210,10cyclictest0-21swapper/011:41:330
12239993111,19cyclictest22060-21kworker/1:008:15:571
12239993028,1cyclictest24-21ksoftirqd/110:49:531
12238992914,12cyclictest27419-21ssh12:35:180
12239992810,3cyclictest0-21swapper/112:06:401
12238992820,4cyclictest100450irq/109-eth1-tx10:38:430
1223899281,26cyclictest8754-21kworker/0:211:17:050
1223899280,26cyclictest7730-21/usr/sbin/munin11:30:090
12238992727,0cyclictest0-21swapper/008:51:080
12238992721,3cyclictest636-21nscd09:28:360
12238992624,1cyclictest0-21swapper/011:25:390
12238992621,4cyclictest22102-21apache209:41:280
12239992521,3cyclictest9431-1kworker/u5:210:17:481
12239992521,3cyclictest22102-21apache211:09:231
12239992520,3cyclictest0-21swapper/109:12:321
1223999250,13cyclictest0-21swapper/110:35:101
1223899258,16cyclictest8754-21kworker/0:210:14:230
1223899252,22cyclictest0-21swapper/012:21:510
1223899251,1cyclictest1709-21sshd09:18:520
12238992510,4cyclictest0-21swapper/009:10:100
1223999246,11cyclictest0-21swapper/107:55:091
1223999241,22cyclictest27385-21df_inode11:55:081
12239992410,6cyclictest0-21swapper/110:28:451
1223899240,21cyclictest1339-21fschecks_count10:40:070
1223899240,0cyclictest24803-21grep07:40:090
1223999236,17cyclictest22060-21kworker/1:007:51:111
12239992323,0cyclictest0-21swapper/111:17:201
12239992323,0cyclictest0-21swapper/108:46:191
12239992319,2cyclictest22129-21apache208:52:441
12239992318,1cyclictest0-21swapper/112:11:261
12239992310,5cyclictest0-21swapper/112:22:421
12239992310,4cyclictest0-21swapper/110:42:421
1223899236,16cyclictest27061-21kworker/0:011:59:470
12238992322,1cyclictest0-21swapper/008:10:030
12238992317,4cyclictest22129-21apache210:57:200
1223899231,21cyclictest8754-21kworker/0:211:07:470
12238992311,6cyclictest0-21swapper/009:35:060
1223999222,11cyclictest0-21swapper/107:30:061
12239992219,1cyclictest24-21ksoftirqd/110:14:541
12239992211,7cyclictest100150irq/106-eth1-rx11:24:221
12239992210,7cyclictest100250irq/107-eth1-rx12:35:171
12239992210,7cyclictest0-21swapper/110:20:001
12239992210,5cyclictest0-21swapper/111:10:071
12239992210,4cyclictest0-21swapper/110:55:131
12239992210,1cyclictest0-21swapper/110:51:081
1223999220,10cyclictest0-21swapper/108:05:061
1223899225,16cyclictest8754-21kworker/0:211:51:430
1223899225,13cyclictest0-21swapper/007:55:050
12238992221,1cyclictest0-21swapper/012:16:370
12238992220,1cyclictest7916-21ssh10:06:210
12238992216,5cyclictest0-21swapper/009:05:080
12238992215,6cyclictest22129-21apache211:04:220
12238992210,5cyclictest0-21swapper/007:20:060
12238992210,1cyclictest0-21swapper/010:48:590
2165922110,0sleep10-21swapper/111:47:111
1223999212,16cyclictest0-21swapper/109:50:061
12239992110,7cyclictest8774-21ssh09:27:101
12239992110,5cyclictest0-21swapper/109:05:101
1223899214,9cyclictest0-21swapper/011:35:080
1223899214,12cyclictest0-21swapper/008:15:150
12238992121,0cyclictest0-21swapper/012:30:470
12238992119,1cyclictest0-21swapper/012:06:130
12238992110,8cyclictest0-21swapper/012:25:370
12238992110,4cyclictest0-21swapper/007:10:140
1223999202,9cyclictest0-21swapper/109:00:071
12239992020,0cyclictest0-21swapper/108:33:471
12239992017,2cyclictest3223-21/usr/sbin/munin08:10:101
12239992015,3cyclictest22129-21apache208:59:481
12239992014,5cyclictest22102-21apache209:20:171
12239992012,3cyclictest0-21swapper/109:43:531
1223999201,12cyclictest0-21swapper/107:40:031
12239992010,7cyclictest0-21swapper/110:34:311
12239992010,4cyclictest23374-21ntp_offset09:45:111
12239992010,3cyclictest0-21swapper/111:02:291
12239992010,0cyclictest0-21swapper/111:43:011
12238992017,3cyclictest0-21swapper/010:01:470
12238992017,1cyclictest32421-21memory08:00:100
1223899200,6cyclictest0-21swapper/011:12:290
196521910,0sleep00-21swapper/012:04:030
1223999197,9cyclictest0-21swapper/109:55:131
1223999192,7cyclictest0-21swapper/112:00:051
1223999191,9cyclictest0-21swapper/111:30:471
12239991916,2cyclictest16512-21latency_hist08:44:541
12239991914,4cyclictest22102-21apache209:15:091
12239991914,2cyclictest12236-21cyclictest10:02:521
12239991910,5cyclictest0-21swapper/111:37:221
12239991910,5cyclictest0-21swapper/109:35:141
12239991910,4cyclictest0-21swapper/110:05:041
1223899197,6cyclictest0-21swapper/007:25:060
1223899193,10cyclictest0-21swapper/008:35:100
12238991919,0cyclictest0-21swapper/009:56:380
12238991916,2cyclictest81ktimersoftd/009:04:530
12238991914,2cyclictest0-21swapper/009:45:290
12238991910,7cyclictest0-21swapper/010:26:190
12238991910,6cyclictest0-21swapper/007:36:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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