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2025-08-30 - 15:43
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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 792 highest latencies:
System rackcslot4.osadl.org (updated Sat Aug 30, 2025 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
38998852329287,27sleep00-21swapper/007:05:070
39012682328285,27sleep10-21swapper/107:05:591
390175799143139,3cyclictest3930334-21kworker/u8:008:46:261
125899590,34rtkit-daemon3950686-21diskmemload11:40:020
125899580,2rtkit-daemon1257-21rtkit-daemon12:02:490
125899520,4rtkit-daemon1257-21rtkit-daemon09:10:241
125899510,4rtkit-daemon1257-21rtkit-daemon07:51:430
125899510,4rtkit-daemon1257-21rtkit-daemon07:31:321
125899500,4rtkit-daemon1257-21rtkit-daemon08:21:111
125899490,4rtkit-daemon1257-21rtkit-daemon11:50:200
125899490,4rtkit-daemon1257-21rtkit-daemon07:18:161
125899480,4rtkit-daemon1257-21rtkit-daemon08:52:161
125899470,30rtkit-daemon4019180-21grep10:40:260
125899430,2rtkit-daemon1257-21rtkit-daemon09:22:441
125899430,11rtkit-daemon1257-21rtkit-daemon10:26:261
125899410,4rtkit-daemon0-21swapper/111:32:351
40067122390,3chrt0-21swapper/010:25:160
390175799384,11cyclictest3999272-21apt-get10:15:161
125899380,3rtkit-daemon0-21swapper/108:25:031
125899380,3rtkit-daemon0-21swapper/012:20:460
125899380,3rtkit-daemon0-21swapper/012:07:340
125899380,3rtkit-daemon0-21swapper/007:46:010
125899370,6rtkit-daemon3906647-21lsb_release07:19:210
125899370,3rtkit-daemon0-21swapper/110:11:111
125899370,3rtkit-daemon0-21swapper/010:30:070
125899360,4rtkit-daemon1257-21rtkit-daemon11:19:251
125899360,4rtkit-daemon1257-21rtkit-daemon11:11:201
125899360,4rtkit-daemon0-21swapper/108:07:381
125899360,3rtkit-daemon0-21swapper/008:09:300
125899350,4rtkit-daemon1257-21rtkit-daemon10:55:310
125899350,4rtkit-daemon1257-21rtkit-daemon10:07:171
125899350,4rtkit-daemon1257-21rtkit-daemon08:12:110
125899350,3rtkit-daemon0-21swapper/112:38:330
125899350,3rtkit-daemon0-21swapper/012:06:351
125899350,3rtkit-daemon0-21swapper/012:02:111
40399552340,4chrt1-21systemd11:10:011
125899340,4rtkit-daemon1257-21rtkit-daemon10:23:270
125899340,4rtkit-daemon1257-21rtkit-daemon09:53:491
125899340,4rtkit-daemon1257-21rtkit-daemon09:32:430
125899340,4rtkit-daemon1257-21rtkit-daemon08:19:291
125899340,4rtkit-daemon1257-21rtkit-daemon08:19:281
125899340,4rtkit-daemon0-21swapper/107:27:510
125899340,3rtkit-daemon1257-21rtkit-daemon12:26:451
125899340,3rtkit-daemon1257-21rtkit-daemon07:27:441
125899340,3rtkit-daemon0-21swapper/111:01:460
125899340,2rtkit-daemon1257-21rtkit-daemon12:15:331
125899340,11rtkit-daemon0-21swapper/012:15:400
125899330,4rtkit-daemon1257-21rtkit-daemon07:23:171
125899330,4rtkit-daemon0-21swapper/108:34:210
125899330,3rtkit-daemon0-21swapper/109:09:360
125899330,3rtkit-daemon0-21swapper/108:22:010
125899330,3rtkit-daemon0-21swapper/107:32:480
125899330,3rtkit-daemon0-21swapper/011:46:021
125899330,3rtkit-daemon0-21swapper/010:24:141
125899330,3rtkit-daemon0-21swapper/009:17:451
125899320,4rtkit-daemon0-21swapper/010:56:301
125899320,3rtkit-daemon1257-21rtkit-daemon09:04:530
125899320,3rtkit-daemon0-21swapper/110:12:580
125899320,3rtkit-daemon0-21swapper/110:02:130
125899320,3rtkit-daemon0-21swapper/107:37:030
125899320,3rtkit-daemon0-21swapper/007:39:211
39708702310,6sleep10-21swapper/109:35:271
125899310,4rtkit-daemon1257-21rtkit-daemon12:27:220
125899310,4rtkit-daemon1257-21rtkit-daemon12:11:121
125899310,4rtkit-daemon1257-21rtkit-daemon10:33:001
125899310,4rtkit-daemon1257-21rtkit-daemon08:16:350
125899310,4rtkit-daemon1257-21rtkit-daemon08:16:340
125899310,3rtkit-daemon0-21swapper/109:14:420
125899310,3rtkit-daemon0-21swapper/108:39:440
125899310,3rtkit-daemon0-21swapper/108:28:490
125899310,3rtkit-daemon0-21swapper/007:51:051
125899300,4rtkit-daemon1257-21rtkit-daemon07:59:520
125899300,3rtkit-daemon0-21swapper/111:25:480
125899300,3rtkit-daemon0-21swapper/109:40:580
125899300,3rtkit-daemon0-21swapper/108:45:320
125899300,3rtkit-daemon0-21swapper/107:22:220
125899300,3rtkit-daemon0-21swapper/012:20:311
125899300,3rtkit-daemon0-21swapper/010:35:471
125899300,3rtkit-daemon0-21swapper/009:00:431
125899300,3rtkit-daemon0-21swapper/007:40:491
125899290,3rtkit-daemon1257-21rtkit-daemon11:23:480
125899290,3rtkit-daemon0-21swapper/110:19:450
125899290,3rtkit-daemon0-21swapper/110:07:240
125899290,3rtkit-daemon0-21swapper/109:18:250
125899290,3rtkit-daemon0-21swapper/108:52:370
125899290,3rtkit-daemon0-21swapper/107:11:220
125899290,3rtkit-daemon0-21swapper/011:59:211
125899290,3rtkit-daemon0-21swapper/009:31:041
125899290,1rtkit-daemon1257-21rtkit-daemon10:39:000
390175399281,8cyclictest40427092sh11:13:020
125899280,4rtkit-daemon1257-21rtkit-daemon11:54:011
390175799270,6cyclictest3950686-21diskmemload09:40:031
3901753992711,10cyclictest3945020-21apt-get08:55:160
125899270,23rtkit-daemon3985295-21cat09:55:240
125899270,1rtkit-daemon1257-21rtkit-daemon10:00:261
3901753992612,10cyclictest3960725-1kworker/u9:009:35:160
125899260,21rtkit-daemon3901747-21cyclictest08:14:581
125899260,1rtkit-daemon1257-21rtkit-daemon11:47:340
390175799252,17cyclictest4021663-21apt-get10:45:141
125899250,1rtkit-daemon1257-21rtkit-daemon07:40:160
125899250,14rtkit-daemon0-21swapper/108:55:171
3901757992412,7cyclictest63750irq/132-enp2s011:40:141
3901757992412,7cyclictest63750irq/132-enp2s009:45:131
390175399241,4cyclictest4005086-1kworker/u9:110:52:550
390175399240,6cyclictest0-21swapper/010:45:130
390175799232,15cyclictest4033028-21apt-get11:00:181
390175799232,15cyclictest4025247-21apt-get10:50:191
390175799232,15cyclictest3962704-21apt-get09:25:141
390175799232,14cyclictest4096990-21apt-get12:30:191
3901757992311,7cyclictest63750irq/132-enp2s011:35:161
125899230,1rtkit-daemon1257-21rtkit-daemon08:35:431
125899230,1rtkit-daemon1257-21rtkit-daemon08:34:561
125899230,14rtkit-daemon0-21swapper/011:57:190
39652802220,1sleep00-21swapper/009:28:330
390175799223,13cyclictest3939150-21apt-get08:40:151
3901757992210,7cyclictest63750irq/132-enp2s011:25:141
390175799220,5cyclictest3922834-21apt-config08:00:041
390175799220,4cyclictest3922492-21python308:00:011
390175799220,20cyclictest4100709-21fschecks_count12:35:181
390175399228,2cyclictest141rcu_preempt11:32:040
390175399223,11cyclictest4043865-21apt-get11:15:150
125899220,3rtkit-daemon1257-21rtkit-daemon09:46:380
125899220,1rtkit-daemon1257-21rtkit-daemon07:14:321
390175799213,10cyclictest3984686-21apt-get09:55:181
390175799212,13cyclictest4047637-21apt-get11:20:171
390175799210,7cyclictest4021417-21perf10:45:001
390175399212,14cyclictest4036646-21apt-get11:05:160
390175399212,11cyclictest3923076-21apt-get08:00:170
3901753992111,2cyclictest141rcu_preempt12:10:060
390175399209,8cyclictest4097920-21cut12:30:270
390175399201,13cyclictest3959055-21apt-get09:20:120
390175399200,7cyclictest4060101-21seq11:36:080
125899200,16rtkit-daemon0-21swapper/109:07:371
390175399182,11cyclictest3939122-21apt-get08:40:070
3901753991810,6cyclictest3982065-21sed09:50:270
390175799177,8cyclictest3916965-21ls07:45:171
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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