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2025-09-03 - 20:24
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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 all highest latencies:
System rackcslot4.osadl.org (updated Wed Sep 03, 2025 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41475752265195,49sleep10-21swapper/107:07:531
41476172258182,26sleep00-21swapper/007:08:220
41479169915768,77cyclictest118428-21/usr/sbin/munin11:45:180
41479169914544,88cyclictest115389-21strings11:40:200
41479249913844,79cyclictest118366-21gltestperf11:45:181
41479169913765,57cyclictest81238-21latency_hist10:55:010
41479169913748,76cyclictest81434-21dpkg10:55:030
41479169913547,76cyclictest108863-21unixbench_multi11:30:260
41479249913427,95cyclictest108833-21unixbench-2d11:30:261
4147924991314,102cyclictest81351-21apt-key10:55:031
41479249912331,81cyclictest115422-21/usr/sbin/munin11:40:201
41479169911159,33cyclictest124569-21sh11:54:570
41479249910433,59cyclictest81251-21latency_hist10:55:001
41479249910356,33cyclictest121175-21sleep11:54:551
4147916999785,10cyclictest20790-21fwupd09:33:320
4147924997067,2cyclictest19644-21kworker/u8:209:33:321
38292580,4sleep03006-21/usr/sbin/munin09:10:220
125899560,4rtkit-daemon1257-21rtkit-daemon10:32:151
125899520,3rtkit-daemon1257-21rtkit-daemon12:02:341
125899510,4rtkit-daemon1257-21rtkit-daemon10:06:400
125899510,4rtkit-daemon1257-21rtkit-daemon08:36:491
125899500,4rtkit-daemon1257-21rtkit-daemon07:52:061
322862400,2sleep00-21swapper/009:48:580
125899400,3rtkit-daemon0-21swapper/010:07:221
125899400,3rtkit-daemon0-21swapper/009:00:350
125899390,4rtkit-daemon1257-21rtkit-daemon10:27:221
125899380,4rtkit-daemon1257-21rtkit-daemon07:35:110
125899380,3rtkit-daemon0-21swapper/110:24:351
125899370,7rtkit-daemon955-21cron08:24:551
125899370,3rtkit-daemon0-21swapper/111:35:321
125899350,6rtkit-daemon849-21snmpd11:57:550
125899350,4rtkit-daemon1257-21rtkit-daemon09:57:130
125899350,4rtkit-daemon1257-21rtkit-daemon09:52:270
125899350,4rtkit-daemon1257-21rtkit-daemon07:20:261
125899350,3rtkit-daemon0-21swapper/112:15:550
125899350,3rtkit-daemon0-21swapper/112:06:320
125899350,3rtkit-daemon0-21swapper/108:40:450
125899350,3rtkit-daemon0-21swapper/107:47:431
125899350,3rtkit-daemon0-21swapper/012:10:111
125899350,3rtkit-daemon0-21swapper/008:26:470
125899340,4rtkit-daemon1257-21rtkit-daemon11:26:350
125899340,4rtkit-daemon1257-21rtkit-daemon11:06:220
125899340,4rtkit-daemon1257-21rtkit-daemon09:25:030
125899340,4rtkit-daemon1257-21rtkit-daemon09:23:321
125899340,4rtkit-daemon1257-21rtkit-daemon08:12:361
125899340,3rtkit-daemon0-21swapper/107:25:461
125899340,3rtkit-daemon0-21swapper/008:19:361
125899330,4rtkit-daemon1257-21rtkit-daemon08:47:571
125899330,3rtkit-daemon0-21swapper/108:45:290
125899330,3rtkit-daemon0-21swapper/108:19:000
125899330,3rtkit-daemon0-21swapper/011:08:021
125899330,3rtkit-daemon0-21swapper/009:50:471
125899330,3rtkit-daemon0-21swapper/007:37:491
125899320,4rtkit-daemon0-21swapper/110:27:280
125899320,4rtkit-daemon0-21swapper/110:18:150
125899320,3rtkit-daemon0-21swapper/009:01:231
125899310,4rtkit-daemon1257-21rtkit-daemon09:26:501
125899310,3rtkit-daemon0-21swapper/107:10:360
125899310,3rtkit-daemon0-21swapper/009:06:491
125899310,3rtkit-daemon0-21swapper/008:42:341
125899310,2rtkit-daemon1257-21rtkit-daemon09:43:500
414791699300,13cyclictest1115952grep11:35:220
125899300,4rtkit-daemon0-21swapper/110:40:500
125899300,4rtkit-daemon0-21swapper/108:05:460
125899300,3rtkit-daemon1257-21rtkit-daemon10:45:361
125899300,3rtkit-daemon0-21swapper/107:29:190
125899300,2rtkit-daemon1257-21rtkit-daemon09:23:390
125899300,24rtkit-daemon4147911-21cyclictest10:35:190
125899290,4rtkit-daemon1257-21rtkit-daemon12:38:081
125899290,3rtkit-daemon1257-21rtkit-daemon08:14:300
125899290,3rtkit-daemon0-21swapper/112:07:281
125899290,3rtkit-daemon0-21swapper/107:52:470
125899290,3rtkit-daemon0-21swapper/107:16:310
125899290,3rtkit-daemon0-21swapper/007:56:341
125899290,3rtkit-daemon0-21swapper/007:34:071
4147924992810,3cyclictest26-21ksoftirqd/112:19:491
125899280,3rtkit-daemon0-21swapper/108:01:280
125899280,3rtkit-daemon0-21swapper/009:56:031
125899280,23rtkit-daemon4147911-21cyclictest11:28:281
4147924992710,7cyclictest141rcu_preempt12:31:081
4147924992710,7cyclictest141rcu_preempt12:31:071
125899270,4rtkit-daemon1257-21rtkit-daemon08:34:170
4147924992612,8cyclictest21802-21apt-get09:35:131
414791699262,17cyclictest96762-21apt-get11:15:140
125899260,22rtkit-daemon0-21swapper/007:20:140
125899260,1rtkit-daemon1257-21rtkit-daemon07:16:141
125899260,18rtkit-daemon22026-21ssh09:35:160
4147924992512,7cyclictest63750irq/132-enp2s012:20:121
414791699253,15cyclictest4160426-21apt-get07:40:150
414791699252,16cyclictest73886-21apt-get10:45:140
4147916992512,7cyclictest63750irq/132-enp2s010:00:130
125899250,1rtkit-daemon1257-21rtkit-daemon12:12:100
125899250,1rtkit-daemon1257-21rtkit-daemon11:24:420
414792499241,11cyclictest95830-21kworker/u8:211:20:111
4147924992411,12cyclictest26-21ksoftirqd/107:15:001
414792499240,5cyclictest0-21swapper/109:19:071
414792499240,11cyclictest29726-21fw_packets09:45:191
414791699248,10cyclictest4166278-21apt-get07:55:140
125899240,4rtkit-daemon1257-21rtkit-daemon09:43:001
125899240,1rtkit-daemon1257-21rtkit-daemon11:14:510
125899240,1rtkit-daemon1257-21rtkit-daemon08:54:471
125899240,19rtkit-daemon1257-21rtkit-daemon09:07:430
414792499238,5cyclictest0-21swapper/111:55:301
414792499231,6cyclictest26-21ksoftirqd/112:25:231
4147924992316,5cyclictest4180212-21munin-run08:30:001
414791699237,6cyclictest8380-21seq09:15:380
414791699233,7cyclictest13-21ksoftirqd/010:20:120
125899230,19rtkit-daemon0-21swapper/010:33:450
125899230,16rtkit-daemon69348-21ssh10:38:321
414792499229,4cyclictest0-21swapper/111:14:011
414792499224,4cyclictest26-21ksoftirqd/110:11:461
414792499222,11cyclictest26-21ksoftirqd/110:42:211
4147924992215,4cyclictest4171980-21python308:10:011
414791699223,12cyclictest4156442-21apt-get07:30:150
414791699222,14cyclictest128325-21apt-get12:00:150
4147916992212,7cyclictest145522-21apt-get12:25:150
125899220,19rtkit-daemon0-21swapper/008:57:210
414792499217,9cyclictest2744021-1kworker/u9:009:10:141
414792499211,18cyclictest4182172-21munin-run08:35:001
414792499211,10cyclictest99201-21ssh11:17:511
414791699214,10cyclictest152457-21apt-get12:35:120
414791699212,13cyclictest4176505-21apt-get08:20:150
41832372200,7sleep00-21swapper/008:35:240
414792499208,7cyclictest63750irq/132-enp2s011:00:141
4147924992017,2cyclictest0-21swapper/110:00:321
4147924992016,2cyclictest4168562-21tune2fs08:00:211
414792499200,5cyclictest54039-21rm10:17:361
414791699202,13cyclictest4189047-21apt-get08:50:130
414791699202,11cyclictest4162374-21apt-get07:45:110
414791699200,9cyclictest51163-21ssh10:14:300
4147924991911,6cyclictest4161892-21seq07:42:121
414791699192,11cyclictest85675-21apt-get11:00:130
4147916991911,6cyclictest143529-21sshd12:20:320
4147924991815,2cyclictest4191304-21tune2fs08:55:171
414791699189,6cyclictest149101-21tr12:30:160
414791699189,6cyclictest149101-21tr12:30:150
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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