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2026-05-20 - 16:57
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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 Wed May 20, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320502790,1sleep00-21swapper/009:18:350
192472750,2sleep0100450irq/109-eth1-tx11:49:130
970527157,9sleep10-21swapper/107:04:171
1009726553,8sleep00-21swapper/007:08:140
194612610,0sleep10-21swapper/110:26:321
193632510,2sleep11034299cyclictest09:44:061
10341993110,0cyclictest0-21swapper/010:44:430
10342992910,16cyclictest100250irq/107-eth1-rx09:32:591
10342992826,2cyclictest0-21swapper/111:29:201
10341992724,2cyclictest0-21swapper/011:06:060
10341992724,2cyclictest0-21swapper/011:06:060
1034299263,22cyclictest7958-21ssh12:17:011
10341992623,2cyclictest0-21swapper/011:58:210
10341992610,7cyclictest0-21swapper/011:26:110
10341992610,5cyclictest0-21swapper/012:10:140
10342992525,0cyclictest0-21swapper/110:40:161
1034299252,15cyclictest0-21swapper/111:48:181
10342992521,3cyclictest1199-21runrttasks09:08:001
10342992417,4cyclictest20176-21apache212:30:511
10342992410,8cyclictest0-21swapper/109:59:051
10342992410,6cyclictest0-21swapper/110:53:231
10342992410,11cyclictest0-21swapper/112:19:251
10342992410,10cyclictest0-21swapper/110:34:471
1034299240,23cyclictest13482-21idleruntime12:24:081
10341992415,6cyclictest0-21swapper/007:14:060
10341992410,6cyclictest0-21swapper/009:04:120
10341992410,4cyclictest0-21swapper/011:20:330
1034199240,4cyclictest0-21swapper/009:45:570
1034299233,8cyclictest0-21swapper/110:05:211
10342992323,0cyclictest0-21swapper/111:03:551
10342992323,0cyclictest0-21swapper/111:03:551
10342992310,7cyclictest0-21swapper/110:12:351
10342992310,1cyclictest0-21swapper/109:27:511
10342992310,10cyclictest24202-21diskmemload10:59:351
1034299230,9cyclictest770-21irqbalance12:34:241
10341992321,1cyclictest0-21swapper/008:22:070
10341992317,5cyclictest167-21systemd-journal08:00:040
10341992314,7cyclictest100250irq/107-eth1-rx10:59:050
10341992311,5cyclictest649-21nscd10:42:330
10341992310,3cyclictest0-21swapper/007:49:060
1034199230,18cyclictest0-21swapper/012:07:300
1034299228,10cyclictest0-21swapper/110:14:041
10342992219,2cyclictest20150-21apache211:39:101
10342992217,5cyclictest20150-21apache209:10:401
1034299221,12cyclictest7043-21apache_accesses08:24:061
10342992210,6cyclictest0-21swapper/109:54:101
1034299220,2cyclictest0-21swapper/110:45:541
1034199226,10cyclictest0-21swapper/010:49:060
10341992221,1cyclictest0-21swapper/012:26:510
1034199221,13cyclictest0-21swapper/010:21:330
10341992210,5cyclictest0-21swapper/009:59:490
1034199220,3cyclictest24064-21ssh10:33:080
1034199220,21cyclictest0-21swapper/008:47:330
282432210,1sleep00-21swapper/012:01:290
1034299215,13cyclictest0-21swapper/108:29:061
1034299212,10cyclictest0-21swapper/108:04:061
10342992110,4cyclictest0-21swapper/111:59:241
1034299210,8cyclictest0-21swapper/109:49:131
1034299210,19cyclictest32581-21kworker/1:107:39:411
10341992121,0cyclictest0-21swapper/009:13:140
1034199211,3cyclictest0-21swapper/012:31:540
10341992111,3cyclictest0-21swapper/010:34:040
10341992110,6cyclictest100250irq/107-eth1-rx10:56:190
10341992110,5cyclictest0-21swapper/008:14:120
10341992110,5cyclictest0-21swapper/007:09:110
10341992110,4cyclictest0-21swapper/011:29:300
10341992110,3cyclictest0-21swapper/007:29:070
2800922010,0sleep10-21swapper/111:19:261
1843522010,0sleep00-21swapper/010:24:220
1034299204,8cyclictest30711-21ssh12:04:121
1034299204,7cyclictest0-21swapper/111:55:061
10342992017,1cyclictest20176-21apache212:09:461
10342992010,5cyclictest0-21swapper/110:19:151
10342992010,4cyclictest0-21swapper/110:29:501
10342992010,3cyclictest0-21swapper/109:22:191
10342992010,2cyclictest0-21swapper/111:14:111
10342992010,0cyclictest0-21swapper/109:16:451
1034199204,8cyclictest0-21swapper/007:19:070
1034199204,7cyclictest6323-21if_eth210:09:080
1034199203,13cyclictest0-21swapper/011:14:040
1034199202,11cyclictest0-21swapper/010:14:060
10341992014,1cyclictest0-21swapper/011:40:460
10341992011,6cyclictest0-21swapper/008:59:490
10341992010,4cyclictest0-21swapper/012:19:090
10341992010,4cyclictest0-21swapper/008:55:140
10341992010,3cyclictest0-21swapper/008:34:020
10341992010,2cyclictest0-21swapper/008:49:050
10341992010,2cyclictest0-21swapper/007:44:120
1034199200,9cyclictest0-21swapper/009:38:000
1034199200,10cyclictest0-21swapper/010:04:030
1034299195,8cyclictest0-21swapper/111:24:091
1034299194,10cyclictest0-21swapper/107:54:061
1034299193,10cyclictest0-21swapper/111:34:091
10342991918,1cyclictest20150-21apache207:34:461
10342991914,4cyclictest20150-21apache211:49:101
10342991910,4cyclictest18594-21/usr/sbin/munin07:29:091
10342991910,4cyclictest0-21swapper/111:09:091
10342991910,4cyclictest0-21swapper/107:19:071
10342991910,3cyclictest0-21swapper/107:44:051
1034299190,3cyclictest0-21swapper/108:49:111
1034199193,10cyclictest0-21swapper/009:54:080
10341991915,1cyclictest0-21swapper/012:18:060
10341991913,4cyclictest24202-21diskmemload11:37:260
1034199191,17cyclictest0-21swapper/012:35:020
10341991911,4cyclictest611-21systemd-logind09:19:190
10341991910,1cyclictest0-21swapper/009:39:130
10342991816,1cyclictest0-21swapper/107:10:261
10342991810,5cyclictest18554-21apache_volume08:54:061
10342991810,4cyclictest0-21swapper/110:54:091
10342991810,2cyclictest0-21swapper/107:52:211
10342991810,0cyclictest0-21swapper/109:37:231
10341991815,2cyclictest10339-21cyclictest07:56:150
10341991810,4cyclictest0-21swapper/009:27:000
10341991810,4cyclictest0-21swapper/008:29:050
10341991810,2cyclictest0-21swapper/011:44:050
10341991810,2cyclictest0-21swapper/007:24:030
1034199180,10cyclictest0-21swapper/007:39:060
197021710,0sleep10-21swapper/108:09:121
1034299175,7cyclictest0-21swapper/107:59:041
1034299174,5cyclictest17904-21munin-run07:28:541
10342991711,5cyclictest0-21swapper/109:39:091
1034199171,6cyclictest0-21swapper/009:29:050
10341991710,1cyclictest0-21swapper/009:49:300
1034299165,8cyclictest0-21swapper/108:44:101
1034299162,7cyclictest0-21swapper/108:14:061
10342991610,1cyclictest0-21swapper/108:19:311
10342991610,0cyclictest0-21swapper/108:34:031
10342991610,0cyclictest0-21swapper/107:14:081
1034199163,7cyclictest0-21swapper/008:39:070
1034199162,8cyclictest0-21swapper/007:35:370
10341991610,1cyclictest0-21swapper/011:13:330
10342991513,1cyclictest20541-21/usr/sbin/munin08:59:121
10342991510,4cyclictest0-21swapper/108:39:061
10341991510,2cyclictest0-21swapper/008:09:060
1034199143,6cyclictest7473-21/usr/sbin/munin08:24:090
10341991410,3cyclictest100150irq/106-eth1-rx08:06:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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