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2026-06-05 - 04:48
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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 Fri Jun 05, 2026 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41030972324283,27sleep10-21swapper/119:07:271
41033012314271,27sleep00-21swapper/019:09:360
5480721530,1sleep00-21swapper/023:19:520
179699740,5rtkit-daemon1795-21rtkit-daemon21:57:300
179699730,4rtkit-daemon1795-21rtkit-daemon23:30:450
179699690,4rtkit-daemon1795-21rtkit-daemon21:36:250
410345599543,33cyclictest4133945-21apt-get20:25:131
179699520,4rtkit-daemon1795-21rtkit-daemon00:21:570
410345599512,7cyclictest108895-21apt-get00:35:141
410345599512,6cyclictest4115926-21apt-get19:40:131
410345599511,5cyclictest17192-21apt-get22:30:131
179699510,4rtkit-daemon1795-21rtkit-daemon00:31:110
410345599503,14cyclictest58837-21apt-get23:25:131
410345599493,6cyclictest66149-21apt-get23:35:131
410345599491,9cyclictest4177612-21apt-get21:45:121
410345599491,6cyclictest4162864-21apt-get21:25:141
4103455994911,26cyclictest4151334-21diskmemload00:23:301
179699490,4rtkit-daemon1795-21rtkit-daemon20:05:100
179699490,4rtkit-daemon1795-21rtkit-daemon19:37:060
410345599483,3cyclictest101405-21apt-get00:25:141
410345599482,5cyclictest94888-21apt-get00:15:141
410345599482,5cyclictest105173-21apt-get00:30:091
410345599481,5cyclictest4139817-21apt-get20:40:131
410345599480,33cyclictest4151334-21diskmemload22:23:341
179699480,4rtkit-daemon1795-21rtkit-daemon19:33:010
41603602470,3sleep14160359-21find21:20:241
410345599471,9cyclictest4130002-21apt-get20:15:101
410345599471,11cyclictest4183185-21ssh21:51:291
410345599471,11cyclictest28663-21apt-get22:45:111
410345599471,10cyclictest32436-21apt-get22:50:121
410345599470,9cyclictest4127640-21apt-get20:10:101
410345599470,9cyclictest4127640-21apt-get20:10:091
410345599462,4cyclictest13616-21apt-get22:25:131
410345599461,7cyclictest4151334-21diskmemload21:13:041
410345599461,5cyclictest4118642-21ntp_states19:45:201
179699460,4rtkit-daemon1795-21rtkit-daemon23:54:091
410345599452,6cyclictest4135896-21apt-get20:30:121
410345599452,5cyclictest62454-21apt-get23:30:131
410345599451,9cyclictest4137846-21apt-get20:35:111
410345599451,4cyclictest4170393-21apt-get21:35:111
410345599450,10cyclictest4185516-21memory21:55:201
410345599443,5cyclictest84315-21apt-get00:00:121
410345599441,5cyclictest4108106-21apt-get19:20:131
410345599431,7cyclictest4151334-21diskmemload22:03:191
410345599422,5cyclictest4151334-21diskmemload23:45:191
410345599421,7cyclictest4151334-21diskmemload23:41:481
410345599421,7cyclictest4151334-21diskmemload00:06:561
410345599421,6cyclictest4173956-21apt-get21:40:131
410345599421,6cyclictest4151334-21diskmemload22:56:081
410345599421,6cyclictest4151334-21diskmemload22:39:041
410345599421,4cyclictest4119827-21apt-get19:50:121
410345599421,3cyclictest80749-21apt-get23:55:121
410345599420,8cyclictest44931-21ntp_states23:05:211
410345599420,8cyclictest4132759-21ntp_states20:20:211
410345599411,8cyclictest4151334-21diskmemload23:00:371
410345599411,6cyclictest4151334-21diskmemload22:40:251
410345599401,6cyclictest4151334-21diskmemload23:20:051
410345599401,6cyclictest4151334-21diskmemload23:20:051
410345599401,6cyclictest4151334-21diskmemload22:05:051
410345599401,6cyclictest4151334-21diskmemload21:15:101
410345599400,8cyclictest4115754-21munin-run19:40:001
179699400,3rtkit-daemon0-21swapper/000:15:300
410345599392,28cyclictest4106128-21apt-get19:15:111
179699390,3rtkit-daemon0-21swapper/119:24:150
410345599374,25cyclictest4110053-21apt-get19:25:141
179699370,3rtkit-daemon0-21swapper/022:52:170
410345599362,7cyclictest4145659-21apt-get20:55:121
179699360,3rtkit-daemon0-21swapper/123:54:220
179699360,3rtkit-daemon0-21swapper/119:25:140
4103455993510,5cyclictest4113675-21seq19:34:201
179699350,4rtkit-daemon1795-21rtkit-daemon21:50:280
179699350,3rtkit-daemon0-21swapper/123:20:040
179699350,3rtkit-daemon0-21swapper/123:20:030
179699350,3rtkit-daemon0-21swapper/122:22:360
410345599343,10cyclictest4147634-21apt-get21:00:121
179699340,3rtkit-daemon0-21swapper/123:39:260
179699340,3rtkit-daemon0-21swapper/123:29:500
179699340,3rtkit-daemon0-21swapper/121:28:290
179699340,3rtkit-daemon0-21swapper/120:30:000
410345599339,2cyclictest0-21swapper/121:31:281
410345599333,8cyclictest4141763-21apt-get20:45:131
4103455993310,3cyclictest2596-21sh22:10:191
179699330,3rtkit-daemon0-21swapper/121:33:410
410345599321,9cyclictest4123725-21/usr/sbin/munin20:00:281
410345599321,5cyclictest4151334-21diskmemload23:15:111
410345199320,13cyclictest181882gzip22:30:230
179699320,4rtkit-daemon1795-21rtkit-daemon21:08:480
179699320,3rtkit-daemon1795-21rtkit-daemon19:54:540
179699320,3rtkit-daemon0-21swapper/123:48:540
410345599312,5cyclictest4103606-21apt-get19:10:121
179699310,3rtkit-daemon1795-21rtkit-daemon22:55:300
179699310,3rtkit-daemon0-21swapper/123:44:030
179699310,3rtkit-daemon0-21swapper/120:18:410
4103455993015,13cyclictest0-21swapper/100:15:011
410345599300,10cyclictest47702-21ssh23:10:041
179699300,2rtkit-daemon1795-21rtkit-daemon00:08:580
410345599290,12cyclictest6880-21timerandwakeup22:15:251
179699290,3rtkit-daemon0-21swapper/122:26:210
410345599282,5cyclictest4143715-21apt-get20:50:121
410345599282,3cyclictest4121771-21apt-get19:55:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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