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2025-04-03 - 11:22
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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 Thu Apr 03, 2025 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
365497999500498,1cyclictest3842425-21turbostat00:19:551
365497999448445,2cyclictest3850431-21turbostat00:25:001
365497999442430,11cyclictest3656871-21turbostat19:19:551
365497999415412,2cyclictest3679303-21turbostat20:10:011
365497999389387,1cyclictest3813001-21turbostat23:39:551
365497999387373,13cyclictest3671481-21turbostat19:54:551
365497999359347,1cyclictest3687111-21turbostat20:34:541
36546142329286,29sleep00-21swapper/019:07:230
365497999306303,2cyclictest3733803-21turbostat21:50:001
36546292297255,28sleep10-21swapper/119:07:321
365497999293290,2cyclictest3802204-21turbostat23:20:011
365497999277273,3cyclictest3748738-21turbostat22:09:591
365497999277273,3cyclictest3746066-21turbostat22:04:591
365497999276274,1cyclictest3742120-21turbostat22:00:011
365497999267248,17cyclictest3723000-21turbostat21:34:591
365497999256249,5cyclictest3691812-21turbostat20:40:001
365497999252246,4cyclictest3808936-21turbostat23:34:551
365497999251249,1cyclictest3798243-21turbostat23:14:591
365497999251245,4cyclictest3771697-21turbostat22:44:541
365497999250244,4cyclictest3806120-21turbostat23:29:551
365497999250244,4cyclictest3699629-21turbostat21:04:541
365497999248242,4cyclictest3853235-21turbostat00:34:551
365497999248242,4cyclictest3687111-21turbostat20:30:001
365497999247241,4cyclictest3767647-21turbostat22:35:001
365497999245236,7cyclictest3731154-21turbostat21:45:011
365497999244238,4cyclictest3654883-21turbostat19:14:551
365497999243237,4cyclictest3733803-21turbostat21:54:561
365497999239233,4cyclictest3693771-21turbostat20:45:011
365497999238232,4cyclictest3697674-21turbostat20:59:551
365497999235232,2cyclictest3697674-21turbostat20:55:001
365497999234227,5cyclictest3716198-21turbostat21:25:011
365497999233227,4cyclictest3701588-21turbostat21:09:551
365497999231225,4cyclictest3681238-21turbostat20:19:551
365497999228226,1cyclictest3661701-21turbostat19:25:001
365497999228220,6cyclictest3712076-21turbostat21:20:001
365497999227221,4cyclictest3790915-21turbostat23:05:001
365497999227221,4cyclictest3790915-21turbostat23:05:001
365497999225218,5cyclictest3671481-21turbostat19:50:001
365497999224217,4cyclictest3853235-21turbostat00:30:001
365497999222216,4cyclictest3685154-21turbostat20:25:001
365497999220214,4cyclictest3665598-21turbostat19:39:551
365497999220214,4cyclictest3663648-21turbostat19:34:551
365497999219213,4cyclictest3778810-21turbostat22:54:551
365497999206200,4cyclictest3823728-21turbostat23:54:551
365497999205199,4cyclictest3669530-21turbostat19:45:001
365497999204198,4cyclictest3679303-21turbostat20:14:561
365497999204196,6cyclictest3703534-21turbostat21:14:551
365497999200194,4cyclictest3823728-21turbostat23:50:001
365497999197191,4cyclictest3782948-21turbostat22:59:561
365497999195189,4cyclictest3675392-21turbostat20:00:001
365497999190185,3cyclictest3767647-21turbostat22:39:561
365497999189183,4cyclictest3857238-21turbostat00:39:551
365497999184178,4cyclictest3790915-21turbostat23:09:551
365497999182176,4cyclictest3838307-21turbostat00:14:551
365497999181174,5cyclictest3838307-21turbostat00:09:591
365497999177172,3cyclictest3675392-21turbostat20:04:551
365497999155148,5cyclictest3763507-21turbostat22:30:011
365497999154148,4cyclictest3695721-21turbostat20:50:001
365497999147140,5cyclictest3716198-21turbostat21:29:561
365497999147137,9cyclictest3831625-21turbostat00:00:001
365497999145139,4cyclictest3778810-21turbostat22:50:001
365497399139134,3cyclictest3718859-21turbostat21:34:550
365497999138133,4cyclictest3748738-21turbostat22:14:551
365497999133128,3cyclictest3835600-21turbostat00:05:001
365497999129123,4cyclictest3802204-21turbostat23:24:551
365497399118112,4cyclictest3669132-21fwupd19:41:000
365497999116110,4cyclictest3661701-21turbostat19:29:551
365497999115110,3cyclictest3756860-21turbostat22:24:551
365497999110104,5cyclictest3752817-21turbostat22:19:541
36549799910295,5cyclictest3723000-21turbostat21:39:551
3654979999590,4cyclictest3816878-21turbostat23:44:551
37264852660,4sleep00-21swapper/021:38:440
38330362550,4sleep00-21swapper/000:00:260
38264372430,2sleep00-21swapper/023:52:270
37723782400,2sleep03771690-21apt-get22:40:160
128499370,7rtkit-daemon13-21ksoftirqd/023:35:180
128499350,3rtkit-daemon0-21swapper/123:20:500
128499340,3rtkit-daemon0-21swapper/020:06:490
128499340,3rtkit-daemon0-21swapper/019:20:160
128499330,3rtkit-daemon1283-21rtkit-daemon23:28:160
128499330,3rtkit-daemon0-21swapper/123:00:270
128499330,3rtkit-daemon0-21swapper/123:00:270
128499330,3rtkit-daemon0-21swapper/121:45:300
128499330,3rtkit-daemon0-21swapper/119:35:220
128499320,4rtkit-daemon3800419-21ssh23:16:210
128499320,4rtkit-daemon161rcuc/023:42:280
128499320,4rtkit-daemon1283-21rtkit-daemon21:10:240
128499320,4rtkit-daemon1283-21rtkit-daemon19:46:300
128499320,3rtkit-daemon0-21swapper/122:33:250
128499320,3rtkit-daemon0-21swapper/121:54:050
128499310,3rtkit-daemon0-21swapper/122:54:070
128499310,3rtkit-daemon0-21swapper/122:49:550
128499310,3rtkit-daemon0-21swapper/121:29:160
128499310,3rtkit-daemon0-21swapper/100:35:310
128499300,4rtkit-daemon1283-21rtkit-daemon22:56:520
128499300,4rtkit-daemon1283-21rtkit-daemon20:30:120
128499300,3rtkit-daemon0-21swapper/121:05:250
128499290,4rtkit-daemon1283-21rtkit-daemon21:23:330
128499290,3rtkit-daemon1283-21rtkit-daemon19:59:110
128499290,3rtkit-daemon0-21swapper/123:10:540
128499290,3rtkit-daemon0-21swapper/120:26:130
128499290,3rtkit-daemon0-21swapper/100:16:350
128499280,3rtkit-daemon1283-21rtkit-daemon23:31:440
128499280,3rtkit-daemon0-21swapper/122:14:240
128499280,3rtkit-daemon0-21swapper/120:19:220
128499280,3rtkit-daemon0-21swapper/100:11:010
3654973992718,7cyclictest13-21ksoftirqd/000:00:000
365497399270,6cyclictest0-21swapper/022:17:190
128499270,3rtkit-daemon1283-21rtkit-daemon19:14:160
3654973992512,10cyclictest3694170-21df20:45:170
3654973992510,10cyclictest3699833-21apt-get21:00:120
365497399250,9cyclictest3769482-21ssh22:35:460
128499250,4rtkit-daemon1283-21rtkit-daemon19:30:330
365497399239,9cyclictest3697865-21apt-get20:55:150
365497399232,15cyclictest3738201-21apt-get21:55:120
365497399231,18cyclictest3790904-21apt-get23:05:070
365497399231,16cyclictest3708087-21apt-get21:15:140
128499230,1rtkit-daemon1283-21rtkit-daemon20:00:340
365497399224,10cyclictest3757179-21apt-get22:20:170
365497399222,14cyclictest3679494-21apt-get20:10:170
365497399215,11cyclictest3690053-21apt-get20:35:140
365497399210,5cyclictest0-21swapper/000:31:310
128499210,3rtkit-daemon1283-21rtkit-daemon00:28:420
128499210,17rtkit-daemon0-21swapper/022:26:310
37434582200,5sleep00-21swapper/022:00:290
365497399202,13cyclictest3727510-21apt-get21:40:160
365497399202,13cyclictest3661905-21apt-get19:25:140
365497399201,15cyclictest3656853-21apt-get19:15:070
365497399201,13cyclictest3692006-21/usr/sbin/munin20:40:280
365497399201,13cyclictest3671688-21apt-get19:50:160
365497399198,9cyclictest3847077-21gltestperf00:20:180
3654973991911,6cyclictest3821172-21seq23:45:150
365497399181,13cyclictest3695927-21taskset20:50:160
3654973991810,6cyclictest3747412-21sshd22:07:290
3654973991810,4cyclictest3703530-21diskmemload00:07:300
3654973991712,3cyclictest3683708-21fschecks_time20:20:160
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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