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2026-06-22 - 14:12
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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 highest latencies:
System rackcslot4.osadl.org (updated Mon Jun 22, 2026 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13411762264185,29sleep00-21swapper/019:09:460
13411182264188,27sleep10-21swapper/119:09:091
179699680,16rtkit-daemon1795-21rtkit-daemon22:39:260
15201192670,5sleep10-21swapper/100:09:101
179699560,4rtkit-daemon1795-21rtkit-daemon22:05:100
14687452560,4sleep10-21swapper/122:56:411
179699540,4rtkit-daemon1795-21rtkit-daemon21:45:481
179699540,3rtkit-daemon1795-21rtkit-daemon00:15:090
13491702540,3sleep11347915-21/usr/sbin/munin19:25:241
14457512530,4sleep11444792-21/usr/sbin/munin22:25:221
179699520,5rtkit-daemon1795-21rtkit-daemon21:21:210
179699520,4rtkit-daemon1795-21rtkit-daemon00:24:110
179699510,4rtkit-daemon1795-21rtkit-daemon20:06:401
14976682500,4sleep10-21swapper/123:37:041
179699490,4rtkit-daemon1795-21rtkit-daemon00:38:001
179699380,3rtkit-daemon0-21swapper/023:36:150
14593852380,5sleep10-21swapper/122:45:151
14593852380,5sleep10-21swapper/122:45:151
179699370,5rtkit-daemon1352686-21cat19:35:181
179699370,3rtkit-daemon0-21swapper/022:30:570
179699360,5rtkit-daemon1416546-21ssh21:45:230
179699360,4rtkit-daemon1795-21rtkit-daemon23:57:571
179699360,3rtkit-daemon0-21swapper/022:27:040
179699360,3rtkit-daemon0-21swapper/020:16:520
179699360,3rtkit-daemon0-21swapper/019:10:231
179699350,4rtkit-daemon1795-21rtkit-daemon23:11:090
179699350,3rtkit-daemon0-21swapper/023:33:220
179699350,3rtkit-daemon0-21swapper/021:32:410
1341301993510,6cyclictest13-21ksoftirqd/022:15:140
179699340,5rtkit-daemon1795-21rtkit-daemon23:00:131
179699340,4rtkit-daemon1795-21rtkit-daemon23:24:390
179699330,4rtkit-daemon1795-21rtkit-daemon20:58:520
179699330,4rtkit-daemon1795-21rtkit-daemon20:19:411
179699330,3rtkit-daemon1795-21rtkit-daemon19:10:160
179699330,3rtkit-daemon0-21swapper/120:01:441
179699330,3rtkit-daemon0-21swapper/000:16:011
1341301993314,6cyclictest13-21ksoftirqd/021:11:340
179699320,4rtkit-daemon1795-21rtkit-daemon20:35:071
179699320,4rtkit-daemon1795-21rtkit-daemon19:19:341
179699320,3rtkit-daemon1795-21rtkit-daemon00:03:071
179699320,3rtkit-daemon0-21swapper/023:52:221
179699320,3rtkit-daemon0-21swapper/021:25:161
179699320,3rtkit-daemon0-21swapper/021:06:031
134130199329,6cyclictest13-21ksoftirqd/021:35:140
1341301993214,6cyclictest13-21ksoftirqd/020:50:120
179699310,6rtkit-daemon893-21snmpd23:21:511
179699310,4rtkit-daemon1795-21rtkit-daemon00:04:060
179699310,3rtkit-daemon1795-21rtkit-daemon22:52:520
179699310,3rtkit-daemon0-21swapper/023:47:541
1341301993114,5cyclictest13-21ksoftirqd/023:05:010
1341301993113,5cyclictest13-21ksoftirqd/000:30:000
179699300,4rtkit-daemon1795-21rtkit-daemon22:45:510
179699300,4rtkit-daemon1795-21rtkit-daemon22:45:500
179699300,4rtkit-daemon1795-21rtkit-daemon00:32:201
179699300,4rtkit-daemon1795-21rtkit-daemon00:32:191
179699300,1rtkit-daemon1795-21rtkit-daemon00:10:150
1341301993016,4cyclictest13-21ksoftirqd/020:25:000
179699290,4rtkit-daemon1795-21rtkit-daemon20:50:491
179699290,3rtkit-daemon0-21swapper/120:06:040
179699290,3rtkit-daemon0-21swapper/023:15:361
179699280,4rtkit-daemon1710-21kerneloops20:23:011
179699280,3rtkit-daemon1795-21rtkit-daemon00:33:410
179699280,3rtkit-daemon1795-21rtkit-daemon00:33:400
179699280,3rtkit-daemon0-21swapper/122:21:100
179699280,3rtkit-daemon0-21swapper/019:45:021
179699280,3rtkit-daemon0-21swapper/000:20:261
1341307992812,10cyclictest1487780-1kworker/u9:223:30:151
1341307992812,10cyclictest1473320-1kworker/u9:023:40:131
134130799280,6cyclictest0-21swapper/121:40:421
134130799280,18cyclictest0-21swapper/100:10:581
134130199289,3cyclictest141rcu_preempt20:30:200
134130199288,3cyclictest13-21ksoftirqd/021:27:480
134130199286,4cyclictest13-21ksoftirqd/023:44:560
1341301992813,10cyclictest1387442-21apt-get21:05:130
179699270,4rtkit-daemon1795-21rtkit-daemon23:45:270
1341307992720,5cyclictest26-21ksoftirqd/121:35:011
134130199278,5cyclictest13-21ksoftirqd/019:30:020
134130199277,8cyclictest13-21ksoftirqd/022:59:540
134130199273,15cyclictest13-21ksoftirqd/021:55:090
134130199268,4cyclictest13-21ksoftirqd/023:05:540
134130199265,4cyclictest13-21ksoftirqd/021:54:300
134130199265,4cyclictest13-21ksoftirqd/021:18:530
134130199265,4cyclictest13-21ksoftirqd/000:07:590
134130199265,3cyclictest13-21ksoftirqd/022:01:020
1341301992611,2cyclictest141rcu_preempt22:43:010
1341301992610,2cyclictest141rcu_preempt00:35:440
179699250,1rtkit-daemon1795-21rtkit-daemon23:50:080
134130799256,17cyclictest1440677-21latency_hist22:20:011
134130799250,7cyclictest1358313-21df19:50:151
134130799250,6cyclictest0-21swapper/120:43:311
134130199256,12cyclictest1379617-21apt-get20:45:110
134130199254,4cyclictest13-21ksoftirqd/023:25:570
134130199252,4cyclictest13-21ksoftirqd/023:17:380
134130199252,16cyclictest1365929-21apt-get20:10:130
1341301992511,2cyclictest141rcu_preempt21:41:080
1341301992510,4cyclictest13-21ksoftirqd/019:25:010
179699240,1rtkit-daemon1795-21rtkit-daemon19:40:060
134130799246,16cyclictest0-21swapper/122:55:001
134130799240,7cyclictest1409765-21ssh21:35:401
134130199248,3cyclictest141rcu_preempt22:10:220
134130199245,4cyclictest13-21ksoftirqd/023:55:080
134130199241,4cyclictest1360063-21apt-get19:55:140
1341301992411,2cyclictest141rcu_preempt20:27:240
179699230,1rtkit-daemon1795-21rtkit-daemon22:20:481
134130799234,17cyclictest1534811-21ssh00:30:001
134130799232,14cyclictest1488462-21apt-get23:25:131
134130799232,14cyclictest1429939-21apt-get22:05:131
134130799231,4cyclictest1477701-21apt-get23:10:111
1341307992312,8cyclictest1373953-21df20:30:161
134130199239,4cyclictest13-21ksoftirqd/019:50:000
134130199235,4cyclictest13-21ksoftirqd/020:00:030
134130199230,4cyclictest13-21ksoftirqd/020:40:200
179699220,3rtkit-daemon1795-21rtkit-daemon21:56:141
179699220,3rtkit-daemon1795-21rtkit-daemon21:52:361
179699220,17rtkit-daemon1795-21rtkit-daemon20:59:001
134130799223,11cyclictest1451995-21apt-get22:35:141
134130799223,11cyclictest1448368-21apt-get22:30:121
1341307992215,5cyclictest1427038-21ntp_states22:00:221
1341307992213,4cyclictest26-21ksoftirqd/121:15:001
134130799221,14cyclictest1365911-21/usr/sbin/munin20:10:261
134130199229,3cyclictest141rcu_preempt19:15:170
134130199227,10cyclictest1375699-21apt-get20:35:120
134130199222,15cyclictest1352243-21apt-get19:35:160
134130199222,11cyclictest1385490-21apt-get21:00:130
1341301992211,2cyclictest141rcu_preempt19:53:250
179699210,14rtkit-daemon0-21swapper/122:43:491
134130799212,13cyclictest1474052-21apt-get23:05:131
134130799212,13cyclictest1349679-21apt-get19:30:081
134130799211,7cyclictest1355975-21cut19:44:591
1341307992115,4cyclictest1397433-21fschecks_time21:20:181
1341307992115,4cyclictest1373551-21sh20:30:001
1341307992112,7cyclictest1436569-21seq22:14:321
179699200,15rtkit-daemon1795-21rtkit-daemon21:16:361
134130799202,16cyclictest1381452-21cat20:50:011
1341301992010,7cyclictest1348138-21df_inode19:25:150
1341307991910,7cyclictest1361041-21systemctl19:55:241
1341307991910,7cyclictest1346589-21memory19:20:191
134130799181,15cyclictest1385472-21/usr/sbin/munin21:00:151
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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