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2025-08-27 - 15:04
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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 376 highest latencies:
System rackcslot4.osadl.org (updated Wed Aug 27, 2025 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12972682256183,58sleep00-21swapper/019:07:370
12972722240198,27sleep10-21swapper/119:07:411
125899600,4rtkit-daemon0-21swapper/121:30:060
125899590,4rtkit-daemon1257-21rtkit-daemon19:21:551
125899570,4rtkit-daemon1257-21rtkit-daemon20:44:170
125899560,23rtkit-daemon1399784-21ls22:25:260
125899560,23rtkit-daemon1326243-21apt-get20:20:140
125899550,4rtkit-daemon1257-21rtkit-daemon23:38:330
125899540,4rtkit-daemon1257-21rtkit-daemon22:37:390
125899540,4rtkit-daemon0-21swapper/120:45:490
125899540,3rtkit-daemon0-21swapper/119:28:030
125899540,3rtkit-daemon0-21swapper/100:12:510
125899530,4rtkit-daemon1257-21rtkit-daemon23:46:060
125899530,21rtkit-daemon1257-21rtkit-daemon21:35:360
125899520,4rtkit-daemon1257-21rtkit-daemon23:27:510
125899520,4rtkit-daemon1257-21rtkit-daemon21:26:381
125899520,4rtkit-daemon1257-21rtkit-daemon19:30:350
125899520,3rtkit-daemon1257-21rtkit-daemon20:03:130
125899520,22rtkit-daemon1297591-21cyclictest21:52:420
125899520,22rtkit-daemon1297591-21cyclictest21:48:140
125899510,21rtkit-daemon1297591-21cyclictest22:05:430
14850572500,4sleep10-21swapper/100:30:291
125899500,3rtkit-daemon1257-21rtkit-daemon22:19:311
125899490,22rtkit-daemon1345599-21diskmemload22:47:420
125899490,21rtkit-daemon1257-21rtkit-daemon21:12:090
125899480,3rtkit-daemon1257-21rtkit-daemon23:34:321
125899480,20rtkit-daemon1297591-21cyclictest00:39:440
14520242470,2sleep00-21swapper/023:41:010
13906552470,2sleep01390657-21rm22:13:170
125899380,4rtkit-daemon0-21swapper/022:31:030
125899370,4rtkit-daemon1257-21rtkit-daemon00:05:181
125899360,5rtkit-daemon1345599-21diskmemload22:02:280
125899360,3rtkit-daemon0-21swapper/022:45:211
125899350,4rtkit-daemon1257-21rtkit-daemon22:42:380
125899350,4rtkit-daemon1257-21rtkit-daemon00:31:580
125899350,3rtkit-daemon0-21swapper/120:56:400
125899350,3rtkit-daemon0-21swapper/022:54:420
125899350,3rtkit-daemon0-21swapper/022:07:151
125899350,3rtkit-daemon0-21swapper/021:10:031
14737392340,4chrt849-21snmpd00:15:160
125899340,4rtkit-daemon1257-21rtkit-daemon21:55:010
125899340,4rtkit-daemon1257-21rtkit-daemon19:25:271
125899340,4rtkit-daemon1257-21rtkit-daemon00:02:031
125899340,3rtkit-daemon0-21swapper/122:22:000
125899340,3rtkit-daemon0-21swapper/021:43:000
125899330,4rtkit-daemon1257-21rtkit-daemon19:31:241
125899330,4rtkit-daemon0-21swapper/123:09:050
125899330,3rtkit-daemon0-21swapper/100:03:400
125899330,3rtkit-daemon0-21swapper/022:26:191
125899330,3rtkit-daemon0-21swapper/020:11:131
125899320,3rtkit-daemon0-21swapper/123:59:070
125899320,3rtkit-daemon0-21swapper/120:36:480
125899320,3rtkit-daemon0-21swapper/023:28:391
125899320,3rtkit-daemon0-21swapper/021:41:251
125899320,3rtkit-daemon0-21swapper/021:03:491
125899310,5rtkit-daemon1404268-21ssh22:32:491
125899310,4rtkit-daemon1257-21rtkit-daemon23:00:121
125899310,4rtkit-daemon1257-21rtkit-daemon20:30:550
125899310,3rtkit-daemon1257-21rtkit-daemon21:09:560
125899310,3rtkit-daemon0-21swapper/100:07:190
125899310,3rtkit-daemon0-21swapper/023:51:061
125899310,3rtkit-daemon0-21swapper/022:58:301
125899310,3rtkit-daemon0-21swapper/022:24:191
1297601993016,9cyclictest1320354-21apt-get20:05:241
1297601993015,10cyclictest1388146-21apt-get22:10:131
125899300,3rtkit-daemon0-21swapper/121:26:520
125899300,3rtkit-daemon0-21swapper/023:18:591
125899300,3rtkit-daemon0-21swapper/022:43:271
125899300,3rtkit-daemon0-21swapper/022:36:051
125899300,3rtkit-daemon0-21swapper/021:37:241
125899300,3rtkit-daemon0-21swapper/021:23:551
125899300,3rtkit-daemon0-21swapper/000:28:381
129760199292,21cyclictest1349932-21apt-get21:15:221
129759799290,5cyclictest0-21swapper/022:56:240
125899290,3rtkit-daemon1257-21rtkit-daemon19:53:570
125899290,3rtkit-daemon0-21swapper/120:50:500
125899290,3rtkit-daemon0-21swapper/023:21:581
125899290,3rtkit-daemon0-21swapper/020:56:251
125899290,3rtkit-daemon0-21swapper/020:54:151
125899290,3rtkit-daemon0-21swapper/020:31:091
125899290,3rtkit-daemon0-21swapper/020:27:481
125899280,4rtkit-daemon1257-21rtkit-daemon20:02:161
125899280,3rtkit-daemon0-21swapper/122:17:520
125899280,3rtkit-daemon0-21swapper/119:22:280
125899280,3rtkit-daemon0-21swapper/023:36:161
125899280,3rtkit-daemon0-21swapper/021:50:021
125899280,3rtkit-daemon0-21swapper/021:45:021
125899280,3rtkit-daemon0-21swapper/019:42:091
125899280,3rtkit-daemon0-21swapper/019:11:581
125899280,1rtkit-daemon1257-21rtkit-daemon00:18:151
129760199270,7cyclictest1473304-21grep00:15:001
1297597992711,11cyclictest1328193-21apt-get20:25:160
125899270,3rtkit-daemon0-21swapper/023:14:121
125899270,1rtkit-daemon1257-21rtkit-daemon23:16:450
129759799261,20cyclictest1324268-21apt-get20:15:150
125899260,1rtkit-daemon1257-21rtkit-daemon22:50:031
14795902250,4sleep00-21swapper/000:24:480
1297601992518,5cyclictest1489304-21ssh00:37:221
129759799252,15cyclictest1422550-21apt-get23:00:150
129759799250,5cyclictest0-21swapper/021:22:350
125899250,4rtkit-daemon1257-21rtkit-daemon20:17:411
125899250,20rtkit-daemon1257-21rtkit-daemon23:34:250
129760199245,17cyclictest1317690-21latency_hist20:00:001
1297601992410,9cyclictest1425927-21apt-get23:05:151
129759799240,6cyclictest0-21swapper/020:06:330
125899240,1rtkit-daemon1257-21rtkit-daemon22:04:071
125899240,1rtkit-daemon1257-21rtkit-daemon21:03:130
125899240,1rtkit-daemon1257-21rtkit-daemon20:43:551
125899240,1rtkit-daemon1257-21rtkit-daemon19:37:321
125899240,1rtkit-daemon1257-21rtkit-daemon19:12:470
125899240,19rtkit-daemon1257-21rtkit-daemon23:46:321
125899240,16rtkit-daemon1379572-21sshd21:56:271
129760199233,12cyclictest1326243-21apt-get20:20:161
1297597992318,4cyclictest1311881-21latency_hist19:45:020
1297597992310,8cyclictest63750irq/132-enp2s023:10:180
125899230,1rtkit-daemon1257-21rtkit-daemon19:18:301
129760199220,5cyclictest1313835-21cat19:50:001
129759799223,11cyclictest1457119-21apt-get23:50:160
129759799222,14cyclictest1308103-21apt-get19:35:160
125899220,15rtkit-daemon0-21swapper/019:49:140
129760199212,13cyclictest1476538-21apt-get00:20:141
129760199210,19cyclictest1463878-40mandb00:00:011
125899210,3rtkit-daemon0-21swapper/020:14:270
125899210,18rtkit-daemon0-21swapper/019:15:380
125899210,14rtkit-daemon0-21swapper/120:36:131
125899210,13rtkit-daemon0-21swapper/000:29:580
1297601992015,3cyclictest1451600-21timerandwakeup23:40:301
129760199201,17cyclictest1337772-21latency_hist20:50:011
129760199200,6cyclictest1359789-1kworker/u9:121:31:551
129759799202,14cyclictest1436546-40apt-check23:20:120
129759799202,13cyclictest1349825-40apt-check21:15:070
1297601991812,4cyclictest1343828-21acpi21:05:131
1297601991712,3cyclictest1314889-21processes19:50:241
1297597991712,3cyclictest1316037-21cpuspeed_turbos19:55:170
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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