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2026-06-25 - 01:00
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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 Wed Jun 24, 2026 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37699102260186,52sleep10-21swapper/119:09:031
37696392255214,27sleep00-21swapper/019:06:080
179699600,4rtkit-daemon0-21swapper/121:33:251
377014699594,8cyclictest3928024-21apt-get23:40:120
179699510,4rtkit-daemon1795-21rtkit-daemon00:37:290
179699500,4rtkit-daemon1795-21rtkit-daemon19:37:180
179699500,3rtkit-daemon1795-21rtkit-daemon23:07:171
179699500,3rtkit-daemon1795-21rtkit-daemon20:53:351
179699490,4rtkit-daemon1795-21rtkit-daemon23:21:181
179699460,4rtkit-daemon1795-21rtkit-daemon23:31:431
179699430,6rtkit-daemon1795-21rtkit-daemon22:45:111
179699420,4rtkit-daemon1795-21rtkit-daemon22:13:101
377014699413,12cyclictest3808822-21apt-get20:45:140
377014699404,9cyclictest3913709-21apt-get23:20:140
377014699402,14cyclictest3777137-21apt-get19:25:150
377014699393,9cyclictest3849139-21apt-get21:50:130
377014699383,9cyclictest3877945-21apt-get22:30:150
377014699373,9cyclictest3806877-21apt-get20:40:130
377014699373,8cyclictest3920911-21apt-get23:30:120
179699370,3rtkit-daemon1795-21rtkit-daemon23:38:071
179699370,3rtkit-daemon0-21swapper/000:37:061
179699360,3rtkit-daemon0-21swapper/022:37:591
179699360,3rtkit-daemon0-21swapper/000:25:520
179699360,14rtkit-daemon0-21swapper/022:07:300
179699350,4rtkit-daemon1795-21rtkit-daemon23:01:521
179699350,4rtkit-daemon1795-21rtkit-daemon21:45:141
179699350,3rtkit-daemon1795-21rtkit-daemon23:47:221
179699350,3rtkit-daemon0-21swapper/122:53:230
179699350,3rtkit-daemon0-21swapper/121:14:000
179699350,3rtkit-daemon0-21swapper/121:00:551
179699350,3rtkit-daemon0-21swapper/020:42:441
179699340,3rtkit-daemon1795-21rtkit-daemon23:14:061
179699340,3rtkit-daemon0-21swapper/100:07:191
179699340,3rtkit-daemon0-21swapper/019:58:101
179699340,3rtkit-daemon0-21swapper/000:30:461
179699330,4rtkit-daemon1795-21rtkit-daemon22:31:211
179699330,4rtkit-daemon1795-21rtkit-daemon21:50:021
179699330,3rtkit-daemon1795-21rtkit-daemon22:59:271
179699330,3rtkit-daemon0-21swapper/123:58:020
179699330,3rtkit-daemon0-21swapper/123:09:280
179699330,3rtkit-daemon0-21swapper/020:37:021
39318982320,4sleep00-21swapper/023:45:190
179699320,4rtkit-daemon1795-21rtkit-daemon19:41:520
179699320,4rtkit-daemon1795-21rtkit-daemon19:41:510
179699320,3rtkit-daemon0-21swapper/019:23:391
179699320,15rtkit-daemon0-21swapper/123:41:281
179699310,3rtkit-daemon1795-21rtkit-daemon23:18:231
179699310,3rtkit-daemon1795-21rtkit-daemon21:07:270
179699310,3rtkit-daemon0-21swapper/123:00:090
179699310,3rtkit-daemon0-21swapper/122:22:580
179699310,3rtkit-daemon0-21swapper/121:41:390
179699310,3rtkit-daemon0-21swapper/000:19:041
3770150993027,2cyclictest66950irq/132-enp2s021:10:451
179699300,4rtkit-daemon1795-21rtkit-daemon23:29:431
179699300,3rtkit-daemon0-21swapper/122:59:060
179699300,3rtkit-daemon0-21swapper/121:57:410
179699300,3rtkit-daemon0-21swapper/120:16:440
179699300,3rtkit-daemon0-21swapper/119:59:300
179699300,3rtkit-daemon0-21swapper/021:06:111
377015099291,23cyclictest3934725-21apt-get23:50:061
3770146992926,2cyclictest3750964-1kworker/0:0H21:30:170
179699290,4rtkit-daemon1795-21rtkit-daemon22:16:410
179699290,3rtkit-daemon0-21swapper/123:16:330
179699290,3rtkit-daemon0-21swapper/122:48:410
179699290,3rtkit-daemon0-21swapper/122:29:540
179699290,3rtkit-daemon0-21swapper/120:51:290
179699290,3rtkit-daemon0-21swapper/119:22:520
179699290,3rtkit-daemon0-21swapper/020:45:291
179699280,3rtkit-daemon0-21swapper/120:08:530
179699280,3rtkit-daemon0-21swapper/119:17:040
179699280,3rtkit-daemon0-21swapper/100:00:020
179699280,3rtkit-daemon0-21swapper/019:36:391
3770150992722,3cyclictest66950irq/132-enp2s000:23:191
3770150992617,5cyclictest3797074-21apt-get20:15:111
377015099261,23cyclictest3799391-21fschecks_time20:20:331
377015099260,7cyclictest0-21swapper/121:18:181
377015099260,6cyclictest0-21swapper/122:00:071
3770146992612,8cyclictest3825054-1kworker/u9:221:35:150
377015099254,19cyclictest26-21ksoftirqd/122:40:211
377015099250,5cyclictest0-21swapper/120:06:471
377014699256,7cyclictest3864938-21unixbench_singl22:10:240
179699250,1rtkit-daemon1795-21rtkit-daemon20:30:541
179699250,1rtkit-daemon1795-21rtkit-daemon20:12:401
377015099242,7cyclictest3949331-21apt-get00:10:131
3770150992421,2cyclictest3771125-21kworker/1:019:34:541
3770150992418,4cyclictest26-21ksoftirqd/122:55:011
3770150992412,7cyclictest66950irq/132-enp2s022:25:151
377014699242,15cyclictest3802956-21apt-get20:30:140
3770146992411,8cyclictest2349956-1kworker/u9:021:25:130
179699240,1rtkit-daemon1795-21rtkit-daemon22:18:151
179699240,1rtkit-daemon1795-21rtkit-daemon19:50:450
179699240,19rtkit-daemon3770140-21cyclictest20:57:420
179699240,19rtkit-daemon1795-21rtkit-daemon21:17:440
377015099232,15cyclictest3791235-21apt-get20:00:151
377015099232,14cyclictest3870834-21apt-get22:20:131
3770150992316,4cyclictest3772743-21df_inode19:15:031
377015099230,21cyclictest3942503-40gzip00:00:011
377014699233,12cyclictest3917338-21apt-get23:25:140
3770146992314,7cyclictest3957850-21seq00:20:550
179699230,1rtkit-daemon1795-21rtkit-daemon21:28:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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