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2026-06-29 - 20:40
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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 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
82811399362,13cyclictest9442392sleep010:40:320
828113993610,11cyclictest963723-21seq11:09:500
179699360,5rtkit-daemon985223-21ssh11:39:140
179699360,3rtkit-daemon0-21swapper/009:41:380
82811799359,6cyclictest26-21ksoftirqd/112:35:141
82811799358,7cyclictest953422-21apt-get10:55:151
82811399353,11cyclictest833336-21sed07:20:210
828113993517,10cyclictest839436-21apt-get07:35:130
179699350,4rtkit-daemon1795-21rtkit-daemon11:21:061
179699350,3rtkit-daemon0-21swapper/007:23:481
82811399346,13cyclictest903561-21expr09:45:140
82811399346,12cyclictest973292-21taskset11:22:160
82811399345,13cyclictest874113-21cat09:00:120
82811399345,10cyclictest877682-21diskmemload11:34:470
82811399344,14cyclictest830955-21ls07:15:150
82811399344,13cyclictest964261-21ls11:10:150
82811399344,10cyclictest877682-21diskmemload10:25:100
82811399343,14cyclictest854154-21sed08:10:200
82811399343,11cyclictest870208-21expr08:50:130
179699340,4rtkit-daemon909956-21ssh09:54:151
179699340,3rtkit-daemon0-21swapper/011:35:471
179699340,3rtkit-daemon0-21swapper/010:46:241
179699340,3rtkit-daemon0-21swapper/010:19:551
179699340,3rtkit-daemon0-21swapper/009:40:041
179699340,3rtkit-daemon0-21swapper/009:26:211
179699340,3rtkit-daemon0-21swapper/009:06:090
179699340,3rtkit-daemon0-21swapper/007:35:351
82811399335,13cyclictest853549-21cut08:10:010
82811399334,13cyclictest856570-21sed08:15:230
82811399334,10cyclictest834895-21apt-config07:25:020
828113993316,10cyclictest866149-21apt-get08:40:090
179699330,5rtkit-daemon877682-21diskmemload10:44:531
179699330,3rtkit-daemon1795-21rtkit-daemon11:46:260
179699330,3rtkit-daemon0-21swapper/012:25:151
828117993228,2cyclictest66950irq/132-enp2s010:01:021
828117993210,5cyclictest26-21ksoftirqd/112:15:121
179699320,3rtkit-daemon1795-21rtkit-daemon12:06:561
179699320,3rtkit-daemon0-21swapper/012:23:581
179699320,3rtkit-daemon0-21swapper/009:59:091
179699320,3rtkit-daemon0-21swapper/007:10:271
82811399313,11cyclictest850312-21sed08:00:190
82811399313,10cyclictest847886-21expr07:55:150
179699310,4rtkit-daemon994917-21ssh11:52:081
179699310,3rtkit-daemon1795-21rtkit-daemon07:50:261
179699310,3rtkit-daemon0-21swapper/011:45:091
179699310,3rtkit-daemon0-21swapper/008:36:341
179699300,5rtkit-daemon0-21swapper/009:03:171
179699300,3rtkit-daemon1795-21rtkit-daemon10:30:061
179699300,3rtkit-daemon0-21swapper/011:34:001
179699300,3rtkit-daemon0-21swapper/008:45:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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