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2025-11-18 - 12:22
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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 highest latencies:
System rackcslot4.osadl.org (updated Tue Nov 18, 2025 00:44:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6011002269187,28sleep00-21swapper/019:06:320
6011002269187,28sleep00-21swapper/019:06:320
6011922260186,59sleep10-21swapper/119:07:311
6011922260186,59sleep10-21swapper/119:07:311
7851362590,4sleep00-21swapper/000:15:200
125899550,4rtkit-daemon1257-21rtkit-daemon22:52:320
125899540,4rtkit-daemon1257-21rtkit-daemon19:14:040
125899540,4rtkit-daemon1257-21rtkit-daemon00:00:360
125899520,5rtkit-daemon650281-21diskmemload22:22:211
7098152500,1chrt708797-21/usr/sbin/munin22:30:240
8019382480,3sleep00-21swapper/000:39:420
125899480,4rtkit-daemon1257-21rtkit-daemon20:34:001
125899470,4rtkit-daemon1257-21rtkit-daemon20:18:241
125899420,4rtkit-daemon608142-21apt-get19:25:141
125899390,3rtkit-daemon0-21swapper/121:50:011
125899390,3rtkit-daemon0-21swapper/023:31:260
60153799375,9cyclictest13-21ksoftirqd/023:10:140
60153799371,4cyclictest13-21ksoftirqd/023:55:000
125899370,4rtkit-daemon1257-21rtkit-daemon00:34:321
125899370,3rtkit-daemon0-21swapper/119:32:381
125899370,3rtkit-daemon0-21swapper/100:28:371
125899370,3rtkit-daemon0-21swapper/022:44:140
125899370,3rtkit-daemon0-21swapper/022:04:490
125899370,3rtkit-daemon0-21swapper/019:20:060
125899370,3rtkit-daemon0-21swapper/000:05:030
60153799366,9cyclictest13-21ksoftirqd/023:00:140
60153799362,4cyclictest13-21ksoftirqd/020:00:000
125899360,3rtkit-daemon0-21swapper/023:59:100
125899360,3rtkit-daemon0-21swapper/023:23:110
125899360,3rtkit-daemon0-21swapper/021:05:300
60153799350,8cyclictest690705-21apt-get22:05:150
60153799350,8cyclictest650571-21apt-get21:10:160
125899350,3rtkit-daemon0-21swapper/120:30:520
125899350,3rtkit-daemon0-21swapper/100:39:121
125899350,3rtkit-daemon0-21swapper/023:42:430
125899350,3rtkit-daemon0-21swapper/020:58:410
60154199343,12cyclictest762921-21munin-plugin-st23:45:001
60153799341,4cyclictest13-21ksoftirqd/020:15:010
60153799340,10cyclictest13-21ksoftirqd/019:35:010
125899340,9rtkit-daemon13-21ksoftirqd/000:16:001
125899340,3rtkit-daemon0-21swapper/023:45:161
125899340,3rtkit-daemon0-21swapper/021:58:551
601541993327,4cyclictest757406-21rm23:35:431
60153799336,9cyclictest13-21ksoftirqd/023:35:130
60153799333,5cyclictest13-21ksoftirqd/000:15:000
60153799333,5cyclictest13-21ksoftirqd/000:15:000
60153799330,9cyclictest613441-21/usr/sbin/munin19:35:250
60153799330,9cyclictest613441-21/usr/sbin/munin19:35:240
60153799330,8cyclictest679958-21apt-get21:50:160
60153799330,8cyclictest618749-21apt-get19:50:150
60153799330,7cyclictest791776-21apt-get00:25:150
125899330,4rtkit-daemon1257-21rtkit-daemon20:48:251
125899330,4rtkit-daemon1257-21rtkit-daemon19:56:351
60153799323,8cyclictest13-21ksoftirqd/022:15:180
60153799322,7cyclictest650281-21diskmemload22:20:540
60153799322,4cyclictest13-21ksoftirqd/020:25:010
60153799320,7cyclictest788183-21apt-get00:20:140
60153799320,7cyclictest726785-21apt-get22:55:150
125899320,4rtkit-daemon1257-21rtkit-daemon21:01:070
125899320,3rtkit-daemon1257-21rtkit-daemon20:51:520
125899320,3rtkit-daemon0-21swapper/100:31:050
125899320,3rtkit-daemon0-21swapper/022:05:451
125899320,3rtkit-daemon0-21swapper/020:59:311
125899320,3rtkit-daemon0-21swapper/020:52:111
60153799317,6cyclictest13-21ksoftirqd/021:42:530
601537993128,1cyclictest63750irq/132-enp2s022:11:300
60153799311,7cyclictest669027-21apt-get21:35:170
60153799310,8cyclictest748932-21apt-get23:25:160
60153799310,8cyclictest683622-21apt-get21:55:150
60153799310,8cyclictest665319-21apt-get21:30:130
60153799310,7cyclictest705152-21apt-get22:25:150
60153799310,7cyclictest676243-21apt-get21:45:120
125899310,4rtkit-daemon1257-21rtkit-daemon20:29:421
125899310,4rtkit-daemon0-21swapper/120:26:050
125899310,3rtkit-daemon1257-21rtkit-daemon19:38:351
125899310,3rtkit-daemon1257-21rtkit-daemon19:38:351
125899310,3rtkit-daemon0-21swapper/021:01:271
60153799307,9cyclictest13-21ksoftirqd/022:38:550
60153799307,7cyclictest13-21ksoftirqd/023:06:280
60153799306,7cyclictest13-21ksoftirqd/022:48:450
601537993027,2cyclictest63750irq/132-enp2s023:49:410
60153799300,8cyclictest609444-21vmstat19:25:260
60153799300,7cyclictest658110-21apt-get21:20:140
125899300,3rtkit-daemon0-21swapper/120:35:030
125899300,3rtkit-daemon0-21swapper/120:17:190
125899300,3rtkit-daemon0-21swapper/022:40:121
125899300,3rtkit-daemon0-21swapper/022:00:391
60153799297,9cyclictest13-21ksoftirqd/021:27:060
60153799297,7cyclictest13-21ksoftirqd/023:15:410
125899290,3rtkit-daemon0-21swapper/023:57:431
125899290,3rtkit-daemon0-21swapper/020:11:521
125899290,3rtkit-daemon0-21swapper/000:03:361
60153799280,8cyclictest655182-21/usr/sbin/munin21:15:210
60153799280,7cyclictest616797-21apt-get19:45:170
125899280,3rtkit-daemon0-21swapper/120:49:150
125899280,3rtkit-daemon0-21swapper/120:42:090
125899280,3rtkit-daemon0-21swapper/119:44:370
60154199272,17cyclictest658110-21apt-get21:20:151
601541992712,4cyclictest26-21ksoftirqd/122:15:011
60153799276,9cyclictest13-21ksoftirqd/020:00:500
125899270,3rtkit-daemon1257-21rtkit-daemon23:10:211
60154199262,16cyclictest636358-21apt-get20:35:181
601541992611,9cyclictest604215-21apt-get19:15:141
60154199260,6cyclictest0-21swapper/122:56:381
60154199260,6cyclictest0-21swapper/121:13:171
60153799267,7cyclictest13-21ksoftirqd/020:05:240
60153799262,4cyclictest13-21ksoftirqd/019:15:030
60154199252,16cyclictest734534-21apt-get23:05:171
60154199250,21cyclictest777971-21apt-get00:05:221
125899250,1rtkit-daemon1257-21rtkit-daemon20:23:071
60154199241,8cyclictest661712-21apt-get21:25:171
60154199241,20cyclictest672493-21perf21:40:001
601541992411,3cyclictest769291-21fwupd23:53:261
60154199240,6cyclictest0-21swapper/121:42:471
60154199240,6cyclictest0-21swapper/121:33:431
60154199240,6cyclictest0-21swapper/100:11:361
60154199240,6cyclictest0-21swapper/100:11:361
125899240,20rtkit-daemon601531-21cyclictest20:08:411
60154199233,14cyclictest638328-21apt-get20:40:151
601541992310,7cyclictest708817-21apt-get22:30:151
125899230,1rtkit-daemon1257-21rtkit-daemon19:13:081
125899230,19rtkit-daemon1257-21rtkit-daemon22:47:351
60154199227,13cyclictest657852-21tr21:20:001
601541992217,3cyclictest26-21ksoftirqd/123:05:011
60154199221,18cyclictest614753-21cnf-update-db19:40:021
60154199220,5cyclictest0-21swapper/122:25:411
60154199212,14cyclictest616797-21apt-get19:45:161
601541992112,7cyclictest752001-21sshd23:29:341
60154199210,7cyclictest741547-21apt-get23:15:141
60154199210,6cyclictest697956-21ssh22:15:091
60154199210,6cyclictest0-21swapper/123:20:161
60154199202,17cyclictest753800-21/usr/sbin/munin23:30:261
601541992014,4cyclictest726579-21latency_hist22:55:011
60154199200,5cyclictest0-21swapper/121:05:211
125899200,13rtkit-daemon0-21swapper/119:50:051
601541991914,3cyclictest788251-21cpu00:20:141
60154199190,3cyclictest624428-21munin-run20:05:001
60154199190,17cyclictest712729-21tune2fs22:35:191
601541991813,3cyclictest678500-21sh21:47:251
601541991712,3cyclictest607211-21switchtime19:20:271
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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