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2026-04-30 - 19:21
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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 Thu Apr 30, 2026 12:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7032862271189,28sleep00-21swapper/007:09:380
7032362257188,54sleep10-21swapper/107:09:051
179699730,4rtkit-daemon1795-21rtkit-daemon10:38:321
179699680,4rtkit-daemon1795-21rtkit-daemon12:02:511
179699550,4rtkit-daemon1795-21rtkit-daemon07:10:080
179699500,3rtkit-daemon1795-21rtkit-daemon11:14:331
9061902490,5sleep00-21swapper/012:31:290
179699480,3rtkit-daemon1795-21rtkit-daemon09:21:151
179699460,5rtkit-daemon1795-21rtkit-daemon11:23:440
179699420,5rtkit-daemon748697-21apt-get09:05:131
7692332390,26sleep0893-21snmpd09:33:080
179699390,3rtkit-daemon0-21swapper/109:37:541
179699380,3rtkit-daemon0-21swapper/110:28:301
179699360,4rtkit-daemon1795-21rtkit-daemon12:27:171
179699360,4rtkit-daemon1795-21rtkit-daemon11:24:421
179699360,4rtkit-daemon1795-21rtkit-daemon11:08:511
179699360,4rtkit-daemon1795-21rtkit-daemon10:40:150
179699360,3rtkit-daemon1795-21rtkit-daemon10:49:420
179699360,3rtkit-daemon0-21swapper/110:16:010
179699360,3rtkit-daemon0-21swapper/108:50:381
70347499350,34cyclictest0-21swapper/109:17:361
179699350,4rtkit-daemon1795-21rtkit-daemon12:20:471
179699350,4rtkit-daemon1795-21rtkit-daemon12:00:370
179699350,4rtkit-daemon1795-21rtkit-daemon10:32:381
179699350,3rtkit-daemon0-21swapper/108:26:031
179699350,3rtkit-daemon0-21swapper/108:26:031
179699350,3rtkit-daemon0-21swapper/010:40:541
179699350,3rtkit-daemon0-21swapper/008:01:121
179699340,4rtkit-daemon1795-21rtkit-daemon12:32:021
179699340,4rtkit-daemon1795-21rtkit-daemon09:57:110
179699340,3rtkit-daemon1795-21rtkit-daemon09:49:330
179699340,3rtkit-daemon0-21swapper/112:10:420
179699340,3rtkit-daemon0-21swapper/111:16:070
179699340,3rtkit-daemon0-21swapper/010:48:561
179699340,3rtkit-daemon0-21swapper/010:00:141
703471993329,3cyclictest66950irq/132-enp2s011:06:430
703471993327,4cyclictest736543-21grep08:30:180
179699330,4rtkit-daemon1795-21rtkit-daemon07:26:310
179699330,3rtkit-daemon1795-21rtkit-daemon07:37:201
179699330,3rtkit-daemon0-21swapper/112:24:090
179699330,3rtkit-daemon0-21swapper/108:29:350
179699330,3rtkit-daemon0-21swapper/108:29:350
179699330,3rtkit-daemon0-21swapper/108:13:040
179699330,3rtkit-daemon0-21swapper/010:51:351
179699330,3rtkit-daemon0-21swapper/009:55:341
179699330,3rtkit-daemon0-21swapper/007:56:591
179699320,4rtkit-daemon1795-21rtkit-daemon09:50:410
179699320,3rtkit-daemon0-21swapper/111:14:180
179699320,3rtkit-daemon0-21swapper/110:10:430
179699320,3rtkit-daemon0-21swapper/110:04:060
179699320,3rtkit-daemon0-21swapper/108:55:410
179699320,3rtkit-daemon0-21swapper/108:42:011
179699320,3rtkit-daemon0-21swapper/012:08:211
179699320,3rtkit-daemon0-21swapper/011:58:121
179699320,3rtkit-daemon0-21swapper/009:51:561
179699320,3rtkit-daemon0-21swapper/009:46:041
179699310,3rtkit-daemon1795-21rtkit-daemon11:41:481
179699310,3rtkit-daemon1795-21rtkit-daemon11:33:251
179699310,3rtkit-daemon1795-21rtkit-daemon11:04:101
179699310,3rtkit-daemon1795-21rtkit-daemon08:45:261
179699310,3rtkit-daemon0-21swapper/110:33:050
179699310,3rtkit-daemon0-21swapper/108:23:160
179699310,3rtkit-daemon0-21swapper/007:10:561
179699300,3rtkit-daemon0-21swapper/112:38:530
179699300,3rtkit-daemon0-21swapper/111:42:230
179699300,3rtkit-daemon0-21swapper/108:08:490
703471992923,4cyclictest813677-21chrt10:28:470
179699290,3rtkit-daemon0-21swapper/111:30:340
179699290,3rtkit-daemon0-21swapper/109:13:280
179699290,3rtkit-daemon0-21swapper/007:53:361
179699290,3rtkit-daemon0-21swapper/007:53:351
179699290,3rtkit-daemon0-21swapper/007:26:181
703474992712,8cyclictest716486-21apt-get07:40:141
703471992723,3cyclictest66950irq/132-enp2s011:45:360
179699270,3rtkit-daemon0-21swapper/108:04:350
179699270,1rtkit-daemon1795-21rtkit-daemon10:16:581
179699270,18rtkit-daemon856866-21wc11:25:191
70347199262,6cyclictest893246-21apt-get12:15:100
70347199261,6cyclictest0-21swapper/009:43:270
703471992610,5cyclictest0-21swapper/011:51:180
179699260,21rtkit-daemon893-21snmpd08:43:050
179699260,1rtkit-daemon1795-21rtkit-daemon11:15:371
179699260,1rtkit-daemon1795-21rtkit-daemon08:16:311
7301212250,3sleep0730122-21sshd08:15:060
70347199252,8cyclictest833448-21apt-get10:55:150
703471992511,9cyclictest3488424-1kworker/u9:009:20:180
179699250,1rtkit-daemon1795-21rtkit-daemon11:51:021
179699250,1rtkit-daemon1795-21rtkit-daemon08:24:201
70347499240,6cyclictest0-21swapper/108:31:181
70347199248,5cyclictest0-21swapper/010:05:050
70347199242,15cyclictest718434-21apt-get07:45:110
70347199242,15cyclictest708568-40apt-check07:20:210
703471992417,5cyclictest13-21ksoftirqd/009:20:000
179699240,4rtkit-daemon1795-21rtkit-daemon07:16:011
179699240,3rtkit-daemon1795-21rtkit-daemon07:39:590
179699240,1rtkit-daemon1795-21rtkit-daemon11:46:201
179699240,1rtkit-daemon1795-21rtkit-daemon10:24:471
179699240,1rtkit-daemon1795-21rtkit-daemon08:09:371
179699240,19rtkit-daemon1795-21rtkit-daemon10:53:560
70347499238,10cyclictest889635-21apt-get12:10:151
70347499235,16cyclictest0-21swapper/108:35:511
70347499232,14cyclictest744774-21apt-get08:55:111
70347199233,11cyclictest762418-21appstreamcli09:25:040
70347199232,15cyclictest770387-21apt-get09:35:130
703471992318,3cyclictest864294-21grep11:35:190
70347199231,20cyclictest750462-21munin-plugin-st09:10:000
179699230,1rtkit-daemon1795-21rtkit-daemon08:13:111
179699230,1rtkit-daemon1795-21rtkit-daemon07:56:270
179699230,17rtkit-daemon1795-21rtkit-daemon12:27:010
70347499224,16cyclictest686135-21kworker/1:207:20:151
70347499222,14cyclictest773893-21apt-get09:40:141
70347199228,5cyclictest0-21swapper/011:56:030
70347199228,5cyclictest0-21swapper/010:37:550
70347199222,11cyclictest720382-21apt-get07:50:130
70347199222,11cyclictest720382-21apt-get07:50:120
703471992212,8cyclictest706113-21apt-get07:15:120
703471992211,7cyclictest66950irq/132-enp2s011:25:120
70347499213,17cyclictest750447-21diskmemload11:35:181
70347499212,13cyclictest796216-21apt-get10:05:291
70347499212,13cyclictest746750-21apt-get09:00:141
70347499210,4cyclictest908061-21gpgv12:35:011
70347199219,3cyclictest837911-21missed_timers11:00:210
70347199213,11cyclictest885897-21apt-get12:05:130
179699210,3rtkit-daemon0-21swapper/107:45:331
70347499201,3cyclictest748564-1kworker/1:1H09:35:001
703474992010,8cyclictest762418-21appstreamcli09:25:071
70347499200,4cyclictest836968-21sendmail-msp11:00:011
70347499200,18cyclictest803334-21runrttasks10:15:001
70347199203,12cyclictest742180-21apt-get08:45:130
70347199202,13cyclictest807191-21apt-get10:20:110
703471992013,5cyclictest748036-21sshd09:00:250
70347499198,6cyclictest750447-21diskmemload09:14:251
703474991914,3cyclictest713746-21unixbench_singl07:30:241
70347499190,17cyclictest893578-21tune2fs12:15:141
70347199192,12cyclictest712506-21apt-get07:30:140
703471991813,3cyclictest737960-21/usr/sbin/munin08:35:190
70347199177,8cyclictest716858-21expr07:40:180
703471991611,3cyclictest850-21runrttasks08:54:290
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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