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2026-06-30 - 03:00
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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 50 highest latencies:
System rackcslot4.osadl.org (updated Mon Jun 29, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8278902294254,26sleep10-21swapper/107:08:531
8279462256182,59sleep00-21swapper/007:09:320
86361521620,1sleep00-21swapper/008:35:000
179699800,3rtkit-daemon1795-21rtkit-daemon10:52:540
179699610,4rtkit-daemon1795-21rtkit-daemon07:33:480
179699590,3rtkit-daemon0-21swapper/109:50:100
8380052550,4sleep1838008-21kernelversion07:30:211
179699520,4rtkit-daemon1795-21rtkit-daemon07:12:170
179699490,3rtkit-daemon1795-21rtkit-daemon11:28:480
179699470,3rtkit-daemon1795-21rtkit-daemon08:36:400
179699460,3rtkit-daemon1795-21rtkit-daemon10:36:091
179699460,12rtkit-daemon947023-21strings10:45:210
82811399444,13cyclictest1003512-21apt-get12:05:130
82811399437,12cyclictest999966-21apt-get12:00:120
82811399435,21cyclictest1010311-21apt-get12:15:080
82811399424,20cyclictest992895-21apt-get11:50:130
82811399414,11cyclictest877682-21diskmemload09:15:250
828113994111,11cyclictest870002-21sed08:50:010
828113994110,12cyclictest857834-21grep08:20:160
82811399402,12cyclictest877937-21apt-get09:10:140
828113994010,10cyclictest1020646-21ssh12:28:310
82811399397,11cyclictest985838-21/usr/sbin/munin11:40:260
82811399392,21cyclictest1025146-21apt-get12:35:150
179699390,5rtkit-daemon0-21swapper/009:32:220
179699390,4rtkit-daemon877937-21apt-get09:10:151
179699390,3rtkit-daemon0-21swapper/012:12:580
179699390,3rtkit-daemon0-21swapper/012:12:580
82811399385,11cyclictest860632-21ntpq08:25:200
82811399384,18cyclictest939513-21diskstats10:35:170
82811399384,12cyclictest885522-21apt-get09:20:130
82811399382,21cyclictest896263-21apt-get09:35:130
82811399382,19cyclictest1014591-21apt-get12:20:120
82811399382,10cyclictest877682-21diskmemload10:15:160
179699380,3rtkit-daemon0-21swapper/009:25:130
82811399376,12cyclictest928760-21awk10:20:130
82811399375,19cyclictest996328-21apt-get11:55:110
82811399375,11cyclictest910272-21apt-get09:55:070
82811399375,11cyclictest877682-21diskmemload10:55:110
82811399374,19cyclictest914367-21apt-get10:00:130
82811399372,23cyclictest0-21swapper/007:40:200
82811399372,20cyclictest918014-21apt-get10:05:140
82811399372,20cyclictest918014-21apt-get10:05:140
828113993712,9cyclictest959335-21seq11:02:460
82811399368,6cyclictest877682-21diskmemload10:33:280
82811399367,11cyclictest877682-21diskmemload10:13:020
82811399365,17cyclictest877682-21diskmemload12:30:380
82811399364,21cyclictest843873-21awk07:45:120
82811399364,13cyclictest872167-21ls08:55:160
82811399363,22cyclictest846900-21sed07:50:230
82811399363,10cyclictest967739-21awk11:15:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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