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2025-05-02 - 12:35
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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 Fri May 02, 2025 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8217522273186,20sleep00-21swapper/019:08:150
8217442272191,28sleep10-21swapper/119:08:091
82202499225219,4cyclictest843577-21kworker/u8:020:30:310
125899620,7rtkit-daemon1257-21rtkit-daemon22:05:181
125899580,4rtkit-daemon1257-21rtkit-daemon19:18:421
9609592560,3sleep00-21swapper/023:08:370
125899520,4rtkit-daemon1257-21rtkit-daemon23:34:161
125899520,4rtkit-daemon1257-21rtkit-daemon19:39:411
125899510,4rtkit-daemon1257-21rtkit-daemon19:57:461
125899510,4rtkit-daemon1257-21rtkit-daemon00:04:281
82202899505,20cyclictest854242-21cat20:30:001
822028995012,21cyclictest923764-21apt-get22:20:131
125899500,3rtkit-daemon1257-21rtkit-daemon21:54:191
10245722500,2sleep10-21swapper/100:32:531
125899490,4rtkit-daemon1257-21rtkit-daemon22:42:471
125899490,4rtkit-daemon1257-21rtkit-daemon19:25:541
125899490,3rtkit-daemon1257-21rtkit-daemon23:48:511
82202899489,21cyclictest969422-21apt-get23:20:141
822028994810,14cyclictest889573-40apt-check21:35:151
125899480,3rtkit-daemon1257-21rtkit-daemon21:42:411
125899460,4rtkit-daemon1257-21rtkit-daemon20:07:460
10243832450,5sleep0161rcuc/000:32:300
82202899449,12cyclictest961948-21apt-get23:10:141
82202899445,17cyclictest830363-21apt-get19:30:021
822028994421,15cyclictest992196-21apt-get23:50:181
822028994411,10cyclictest1-21systemd22:00:011
82202899439,11cyclictest869810-21diskmemload21:48:201
82202899437,21cyclictest878099-21apt-get21:20:191
82202899436,11cyclictest1018204-21apt-get00:25:131
822028994311,14cyclictest997587-21ssh23:56:031
822028994311,11cyclictest869810-21diskmemload22:53:581
822028994310,11cyclictest869810-21diskmemload23:26:361
82202899429,8cyclictest850471-21apt-get20:20:161
82202899427,20cyclictest1014040-21apt-get00:20:151
822028994215,8cyclictest0-21swapper/122:39:551
82202899419,14cyclictest946570-21taskset22:49:561
82202899419,11cyclictest927429-21apt-get22:25:161
82202899419,11cyclictest869810-21diskmemload22:33:121
82202899417,10cyclictest846369-21systemd-run20:10:001
82202899416,20cyclictest881837-21apt-get21:25:151
82202899415,20cyclictest1025829-21apt-get00:35:141
82202899415,10cyclictest840522-21cut19:55:001
822028994110,9cyclictest869810-21diskmemload23:43:091
822028994110,13cyclictest857660-21chrt20:35:411
822028994110,11cyclictest869810-21diskmemload22:58:581
125899410,4rtkit-daemon1257-21rtkit-daemon19:43:251
82202899409,19cyclictest888839-21sh21:34:281
82202899407,11cyclictest916199-21apt-get22:10:121
82202899407,10cyclictest1-21systemd20:50:011
82202899406,22cyclictest827710-21sed19:20:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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