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2026-03-14 - 14:39
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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 Sat Mar 14, 2026 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7679192259183,26sleep00-21swapper/019:09:310
7677392259183,28sleep10-21swapper/119:07:341
179699590,4rtkit-daemon1795-21rtkit-daemon22:03:241
179699590,4rtkit-daemon1795-21rtkit-daemon22:03:241
179699570,3rtkit-daemon0-21swapper/121:29:171
179699570,3rtkit-daemon0-21swapper/119:20:241
8835552560,2sleep00-21swapper/022:40:490
179699560,5rtkit-daemon833690-21chrt21:32:461
179699560,3rtkit-daemon0-21swapper/123:33:491
179699560,3rtkit-daemon0-21swapper/121:39:181
179699550,3rtkit-daemon0-21swapper/123:56:281
179699550,3rtkit-daemon0-21swapper/120:35:251
179699540,3rtkit-daemon0-21swapper/122:07:361
179699530,3rtkit-daemon0-21swapper/119:42:241
179699530,3rtkit-daemon0-21swapper/100:13:261
179699520,3rtkit-daemon0-21swapper/121:19:551
179699520,3rtkit-daemon0-21swapper/119:52:101
179699520,3rtkit-daemon0-21swapper/119:27:451
179699510,3rtkit-daemon0-21swapper/119:18:161
179699500,4rtkit-daemon1795-21rtkit-daemon23:03:031
179699500,4rtkit-daemon1795-21rtkit-daemon00:33:451
179699500,3rtkit-daemon0-21swapper/120:43:531
179699500,3rtkit-daemon0-21swapper/120:26:411
179699500,1rtkit-daemon1795-21rtkit-daemon22:50:001
179699490,4rtkit-daemon1795-21rtkit-daemon23:05:261
179699490,4rtkit-daemon1795-21rtkit-daemon22:30:391
179699490,4rtkit-daemon1795-21rtkit-daemon21:59:291
179699490,3rtkit-daemon1795-21rtkit-daemon22:23:141
179699490,3rtkit-daemon1795-21rtkit-daemon21:49:401
179699490,3rtkit-daemon0-21swapper/120:50:061
8515852480,8sleep0161rcuc/021:57:000
179699480,4rtkit-daemon1795-21rtkit-daemon22:17:581
179699480,3rtkit-daemon1795-21rtkit-daemon22:19:180
179699480,3rtkit-daemon0-21swapper/123:37:161
179699480,2rtkit-daemon1795-21rtkit-daemon22:29:001
179699470,4rtkit-daemon1795-21rtkit-daemon21:13:371
179699470,3rtkit-daemon1795-21rtkit-daemon19:55:571
179699470,3rtkit-daemon0-21swapper/120:17:281
9585152460,4sleep10-21swapper/100:27:581
179699460,4rtkit-daemon1795-21rtkit-daemon00:39:321
179699460,18rtkit-daemon1858-21sendmail-mta00:08:151
179699450,1rtkit-daemon1795-21rtkit-daemon22:53:061
179699420,1rtkit-daemon1795-21rtkit-daemon21:54:291
8611212410,4sleep10-21swapper/122:10:171
179699400,5rtkit-daemon1728-21kerneloops20:41:410
768098993731,4cyclictest893-21snmpd19:40:580
179699370,3rtkit-daemon0-21swapper/120:22:280
179699370,3rtkit-daemon0-21swapper/119:37:271
179699370,3rtkit-daemon0-21swapper/119:14:421
179699360,11rtkit-daemon0-21swapper/022:42:591
179699350,3rtkit-daemon0-21swapper/123:24:160
179699350,3rtkit-daemon0-21swapper/122:07:580
179699340,4rtkit-daemon0-21swapper/123:46:320
179699340,3rtkit-daemon0-21swapper/122:13:090
179699340,3rtkit-daemon0-21swapper/119:34:170
179699330,4rtkit-daemon1795-21rtkit-daemon20:01:211
179699330,3rtkit-daemon0-21swapper/123:40:260
179699330,3rtkit-daemon0-21swapper/119:53:080
179699330,3rtkit-daemon0-21swapper/119:45:410
179699330,3rtkit-daemon0-21swapper/119:26:560
179699320,4rtkit-daemon1795-21rtkit-daemon23:12:570
179699320,4rtkit-daemon1795-21rtkit-daemon23:12:560
179699320,3rtkit-daemon0-21swapper/120:14:170
179699320,3rtkit-daemon0-21swapper/120:02:550
179699320,3rtkit-daemon0-21swapper/119:18:570
179699320,3rtkit-daemon0-21swapper/100:00:271
179699310,3rtkit-daemon0-21swapper/123:36:320
179699310,3rtkit-daemon0-21swapper/100:08:360
768098993027,2cyclictest66950irq/132-enp2s000:20:430
179699300,3rtkit-daemon0-21swapper/121:30:500
768098992914,10cyclictest778578-21apt-get19:35:130
179699290,3rtkit-daemon1795-21rtkit-daemon19:21:220
179699290,3rtkit-daemon0-21swapper/120:36:570
768102992823,3cyclictest950758-21sh00:16:161
768098992824,2cyclictest66950irq/132-enp2s021:47:590
76809899281,6cyclictest816342-21diskmemload21:20:120
76809899281,10cyclictest816342-21diskmemload22:55:100
179699280,3rtkit-daemon0-21swapper/120:12:101
179699280,3rtkit-daemon0-21swapper/022:56:231
76810299272,19cyclictest952678-21apt-get00:20:151
768102992712,9cyclictest782497-21apt-get19:45:121
768098992712,9cyclictest853501-21apt-get22:00:140
768098992712,9cyclictest853501-21apt-get22:00:130
179699270,4rtkit-daemon1795-21rtkit-daemon23:54:340
179699270,3rtkit-daemon0-21swapper/120:33:120
179699260,3rtkit-daemon0-21swapper/121:04:560
76810299250,6cyclictest0-21swapper/120:21:271
768098992522,2cyclictest66950irq/132-enp2s021:19:330
768098992522,2cyclictest66950irq/132-enp2s000:39:530
768098992519,4cyclictest13-21ksoftirqd/023:20:000
76809899251,7cyclictest816342-21diskmemload23:05:060
76809899251,6cyclictest0-21swapper/021:35:010
179699250,1rtkit-daemon1795-21rtkit-daemon22:51:020
76810299242,17cyclictest907949-21apt-get23:15:111
76810299242,16cyclictest812643-21apt-get21:00:131
76810299242,15cyclictest824097-21apt-get21:20:121
76810299240,6cyclictest0-21swapper/123:54:041
768098992412,7cyclictest66950irq/132-enp2s000:00:130
76809899241,11cyclictest886320-21ntp_states22:45:250
76809899240,10cyclictest896349-21packagekitd23:00:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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