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2026-01-05 - 09:46
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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 rackcslot4.osadl.org (updated Mon Jan 05, 2026 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39292812263181,19sleep10-21swapper/119:05:581
39292242262222,26sleep00-21swapper/019:05:340
40345482690,4chrt26-21ksoftirqd/122:20:461
41338122640,7sleep00-21swapper/000:30:210
40867262620,1sleep04086724-21ls23:29:590
41211922600,5sleep00-21swapper/000:14:400
392976599572,6cyclictest3936369-21apt-get19:25:160
392976599542,6cyclictest4033005-21apt-get22:20:130
392976599541,6cyclictest4017665-21apt-get22:00:140
179699540,3rtkit-daemon1795-21rtkit-daemon00:14:041
3929765995313,2cyclictest4074406-21sh23:13:250
392976599522,6cyclictest4098434-21apt-get23:45:140
392976599522,6cyclictest4067693-40apt-check23:05:130
392976599522,6cyclictest3982809-21apt-get21:15:140
392976599521,5cyclictest4106553-21apt-get23:55:140
3929765995210,5cyclictest3978467-21diskmemload22:53:430
392976599511,9cyclictest3942240-21apt-get19:40:140
179699510,3rtkit-daemon1795-21rtkit-daemon23:50:171
392976599508,6cyclictest3968288-21https20:45:020
3929765995010,5cyclictest3990034-1kworker/u9:021:35:120
392976899492,8cyclictest4067693-40apt-check23:05:131
392976599489,5cyclictest3978467-21diskmemload22:08:290
3929765994812,28cyclictest4094628-21apt-get23:40:130
392976599472,6cyclictest4013918-21apt-get21:55:140
40733642460,1sleep10-21swapper/123:11:171
392976599463,8cyclictest3978467-21diskmemload21:23:300
392976599462,9cyclictest3978467-21diskmemload21:48:000
392976599462,9cyclictest3978467-21diskmemload21:40:020
392976599462,8cyclictest3978467-21diskmemload22:58:020
392976599461,7cyclictest3978467-21diskmemload23:02:440
392976599461,6cyclictest3970429-21apt-get20:50:150
392976599452,8cyclictest3978467-21diskmemload23:23:160
41047462430,2sleep00-21swapper/023:51:440
392976599432,7cyclictest3978467-21diskmemload00:16:550
392976599431,8cyclictest3978467-21diskmemload00:04:360
392976599431,6cyclictest3978467-21diskmemload22:34:420
392976599423,29cyclictest4075489-21apt-get23:15:140
392976599422,6cyclictest3978467-21diskmemload21:26:510
392976599421,6cyclictest3978467-21diskmemload22:37:540
392976599412,8cyclictest3966108-21apt-get20:40:120
3929765994110,6cyclictest3945829-21seq19:49:020
3929765994110,6cyclictest3945829-21seq19:49:020
392976899403,10cyclictest3968463-21apt-get20:45:141
392976599402,9cyclictest3934418-21apt-get19:20:150
392976599402,6cyclictest3962185-21apt-get20:30:140
392976899393,10cyclictest3944181-21apt-get19:45:101
392976899393,10cyclictest3944181-21apt-get19:45:091
392976599393,7cyclictest3978728-21apt-get21:10:130
392976599392,8cyclictest3956314-21apt-get20:15:160
392976899383,17cyclictest0-21swapper/123:50:021
3929768993831,5cyclictest4032505-21chrt22:19:371
392976599382,6cyclictest3972377-21apt-get20:55:140
3929765993813,3cyclictest4026241-21ntp_states22:10:240
179699380,3rtkit-daemon0-21swapper/100:28:450
3929768993717,3cyclictest3998108-21munin-plugin-st21:35:001
392976899370,20cyclictest4133754-21apt-get00:30:181
392976599379,4cyclictest0-21swapper/021:30:060
392976599378,7cyclictest4010358-21tune2fs21:50:180
392976599372,8cyclictest3929918-21apt-get19:10:120
392976599372,7cyclictest3940266-21apt-get19:35:140
392976599372,6cyclictest3938317-21apt-get19:30:140
3929765993710,5cyclictest3976155-21seq21:01:260
179699370,13rtkit-daemon0-21swapper/121:18:141
392976899364,13cyclictest3964133-21apt-get20:35:121
392976599363,8cyclictest3932444-21apt-get19:15:160
392976599362,5cyclictest4048287-21apt-get22:40:160
392976599361,6cyclictest4029177-21apt-get22:15:130
3929765993611,3cyclictest4137625-21cpuspeed_turbos00:35:170
392976899353,6cyclictest4002275-21apt-get21:40:141
392976899353,11cyclictest4059675-21apt-get22:55:101
392976899353,11cyclictest3962185-21apt-get20:30:131
392976899350,3cyclictest3967883-21python320:45:011
392976599352,7cyclictest3978467-21diskmemload22:48:130
3929765993510,4cyclictest3978467-21diskmemload22:28:140
3929765993510,4cyclictest3961202-21cut20:25:240
392976899343,7cyclictest3990553-21apt-get21:25:141
392976899341,12cyclictest3970429-21apt-get20:50:131
392976599342,8cyclictest3976713-21apt-get21:05:190
3929765993410,4cyclictest3978467-21diskmemload23:36:030
179699340,4rtkit-daemon1795-21rtkit-daemon21:00:231
392976899331,13cyclictest4090908-21apt-get23:35:131
392976599332,8cyclictest3978467-21diskmemload00:08:070
392976599331,7cyclictest3947913-21python319:55:010
3929765993311,3cyclictest4127800-21sh00:22:110
392976899324,9cyclictest4114203-21apt-get00:05:141
392976899323,8cyclictest4137487-21apt-get00:35:161
3929768993229,2cyclictest66950irq/132-enp2s020:25:481
392976899318,5cyclictest4129881-21gltestperf00:25:191
392976899312,11cyclictest3980174-21kworker/u8:121:35:141
179699310,3rtkit-daemon1795-21rtkit-daemon00:15:511
392976899303,8cyclictest4055850-21apt-get22:50:131
392976899302,7cyclictest3954365-21apt-get20:10:161
392976899293,7cyclictest3986869-21apt-get21:20:151
392976899292,6cyclictest3950463-21apt-get20:00:151
3929768992926,2cyclictest66950irq/132-enp2s022:00:201
392976899282,8cyclictest4021444-21apt-get22:05:131
3929768992825,2cyclictest66950irq/132-enp2s021:05:041
392976899281,9cyclictest4079416-21apt-get23:20:161
3929768992623,2cyclictest66950irq/132-enp2s021:14:451
3929768992617,5cyclictest3931841-21runrttasks19:15:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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