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2026-09-13 - 07:59
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot8.osadl.org (updated Sun Sep 13, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
336796423050,1sleep10-21swapper/119:20:261
353545221210,2sleep1321rcuc/121:30:191
3347628992724,1cyclictest0-21swapper/321:35:013
3347628992522,1cyclictest0-21swapper/321:50:003
3347628992522,1cyclictest0-21swapper/319:50:003
3347628992422,1cyclictest0-21swapper/300:10:013
3347628992421,1cyclictest0-21swapper/321:50:143
3347628992421,1cyclictest0-21swapper/321:40:013
3347628992421,1cyclictest0-21swapper/320:05:003
3347628992219,1cyclictest0-21swapper/323:20:123
334762899219,8cyclictest3519101-21turbostat21:20:013
3347628992118,1cyclictest0-21swapper/321:05:013
3347628992118,1cyclictest0-21swapper/300:00:153
334762899211,14cyclictest3558469-21taskset21:45:003
3347628992017,1cyclictest0-21swapper/322:40:133
3347628992017,1cyclictest0-21swapper/322:20:163
3347628992017,1cyclictest0-21swapper/322:12:143
3347628992017,1cyclictest0-21swapper/322:12:143
3347628992017,1cyclictest0-21swapper/320:20:343
334762899201,14cyclictest3768630-21turbostat00:00:003
37840972191,7sleep03784126-21munin-run00:10:000
3347628991917,1cyclictest0-21swapper/322:00:013
3347628991916,1cyclictest0-21swapper/323:15:013
3347628991916,1cyclictest0-21swapper/321:25:173
3347628991916,1cyclictest0-21swapper/321:20:273
3347628991916,1cyclictest0-21swapper/320:40:043
334762899191,14cyclictest3821801-21taskset00:31:143
334762899191,14cyclictest3698760-21chrt23:15:133
334762899191,14cyclictest3472920-21taskset20:45:193
334762899191,14cyclictest3425641-21taskset20:05:223
334762899189,6cyclictest36234632sleep322:25:193
3347628991816,1cyclictest0-21swapper/300:21:023
3347628991815,1cyclictest0-21swapper/323:40:123
3347628991815,1cyclictest0-21swapper/323:35:253
3347628991815,1cyclictest0-21swapper/323:25:213
3347628991815,1cyclictest0-21swapper/323:00:253
3347628991815,1cyclictest0-21swapper/322:55:173
3347628991815,1cyclictest0-21swapper/322:30:213
3347628991815,1cyclictest0-21swapper/322:15:193
3347628991815,1cyclictest0-21swapper/320:55:213
3347628991815,1cyclictest0-21swapper/320:30:003
3347628991815,1cyclictest0-21swapper/319:40:213
3347628991815,1cyclictest0-21swapper/319:35:143
3347628991815,1cyclictest0-21swapper/319:15:243
3347628991814,1cyclictest0-21swapper/319:20:153
334762899181,14cyclictest3827641-21taskset00:35:203
334762899181,14cyclictest3666510-21taskset22:52:443
334762899181,13cyclictest3760560-21taskset23:54:233
334762899181,13cyclictest3658400-21taskset22:46:433
334762899181,13cyclictest3427053-21taskset20:10:153
334762899181,13cyclictest3407648-21chrt19:55:153
334762899181,13cyclictest3375034-21taskset19:26:533
334762899180,15cyclictest3721861-21turbostat23:34:553
3347628991714,1cyclictest0-21swapper/321:55:263
3347628991714,1cyclictest0-21swapper/320:35:233
334762899171,13cyclictest3810206-21taskset00:25:183
334762899171,13cyclictest3798306-21taskset00:16:163
334762899171,13cyclictest3791106-21taskset00:12:473
334762899171,13cyclictest3689700-21taskset23:07:193
334762899171,13cyclictest3591133-21taskset22:05:163
334762899171,13cyclictest3509845-21taskset21:11:013
334762899171,13cyclictest3433219-21taskset20:15:123
334762899171,13cyclictest3375585-21chrt19:30:133
334762899171,12cyclictest3639856-21taskset22:35:203
334762899171,12cyclictest3406343-21taskset19:50:223
334762899171,12cyclictest3353066-21taskset19:10:253
3347628991710,4cyclictest37519792chrt23:47:053
334762899161,13cyclictest3484003-21taskset20:52:273
334762899161,12cyclictest3503201-21taskset21:06:243
37664402150,12sleep03766486-21ntpq23:55:250
37194582151,10sleep23719601-21sh23:25:202
334762899151,12cyclictest3458231-21taskset20:30:553
334762899151,12cyclictest3458231-21taskset20:30:543
36495922141,5sleep13649639-21ld22:40:241
334762899144,7cyclictest3347735-21taskset19:10:013
38216442135,1sleep2171rcu_preempt00:30:512
38159542132,8sleep03816132-21/usr/sbin/munin00:30:210
36661682130,9sleep23666174-21ssh22:51:442
36456722132,4sleep03646581-21kthreadcore22:40:190
38021492121,8sleep23803410-21kthreadcore00:20:202
37921802121,8sleep13792185-21/usr/sbin/munin00:15:141
37372472121,3sleep13737253-21ssh23:39:501
37289982120,5sleep00-21swapper/023:33:270
37039912121,9sleep03704034-21ntpq23:15:240
36731962120,8sleep03673305-21/usr/sbin/munin22:55:310
36278152120,6sleep03627817-21ssh22:28:280
35347442120,9sleep23534746-21ssh21:29:572
35248212120,2sleep20-21swapper/221:20:272
34987632121,8sleep23500306-21kthreadcore21:05:192
34538352121,8sleep13454368-21kthreadcore20:30:181
34538352121,8sleep13454368-21kthreadcore20:30:181
34075952120,3sleep23407387-21appstreamcli19:55:032
37831742111,8sleep13783180-21ssh00:07:171
36813242110,8sleep13681330-21ssh23:00:411
35893452111,7sleep23589351-21ssh22:04:492
34718922110,7sleep03471937-21fschecks_count20:45:170
34640962111,7sleep2222-21plymouthd20:35:242
33884222111,8sleep1874-21rs:main1
33472772112,5sleep0222-21plymouthd19:07:230
38000372101,7sleep0874-21rs:main0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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