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2025-12-08 - 11:01
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot2.osadl.org (updated Mon Dec 08, 2025 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
372222722530,3sleep03722228-21cat22:45:120
374106222460,4chrt3741060-21apt-get23:40:140
374662422440,3chrt3746621-21ssh23:56:110
373136222420,3chrt3731355-21ntp_states23:11:290
371113722370,3chrt3711136-21ssh22:11:580
370718922370,3chrt3707188-21sed22:00:380
374608522340,3chrt3746086-21ls23:55:100
370885422210,3sleep03708857-21cut22:05:380
373855222180,2sleep03738555-21sh23:32:040
369494322180,2sleep03694944-21sh21:25:120
367171222170,3sleep03671714-21cpu20:05:150
373578722140,2sleep03735788-21/usr/sbin/munin23:25:040
375447922130,2sleep03754480-21df00:20:190
372985822070,2sleep03729856-21sendmail_mailqu23:07:010
368012922060,2sleep03680128-21sshd20:35:190
370557821910,4sleep022-21kcompactd021:55:530
371764321840,2sleep03717644-21ssh22:31:150
370164921840,4chrt3701650-21true21:45:040
365620199176145,21cyclictest112-21systemd-journal00:05:050
365620199174140,23cyclictest3751590-21ld00:11:330
365620199171143,18cyclictest3662267-21kworker/u2:019:40:100
371641321690,4chrt3716412-21ssh22:27:080
368315021690,2sleep03683152-21awk20:45:330
365620199167140,17cyclictest3720937-21kworker/u2:222:57:430
373643921660,2sleep03736440-21/usr/sbin/munin23:26:200
371317221640,3chrt3713173-21ssh22:18:030
365620199162133,18cyclictest3690259-21kworker/u2:321:27:000
365620199162130,20cyclictest84-21jbd2/mmcblk0p2-22:25:050
376047421580,3chrt3760473-21ssh00:37:210
365620199158131,17cyclictest3746403-21kworker/u2:300:09:420
365620199155117,17cyclictest3739121-21kworker/u2:200:18:420
365620199153125,18cyclictest3720937-21kworker/u2:222:47:420
365620199151123,19cyclictest3669243-21kworker/u2:019:56:200
365620199151120,19cyclictest84-21jbd2/mmcblk0p2-19:30:370
370508421490,2sleep03705087-21wc21:55:090
365620199149121,18cyclictest3716481-21kworker/u2:323:02:040
365620199147118,18cyclictest3718415-21kworker/u2:122:35:340
365620199147115,20cyclictest84-21jbd2/mmcblk0p2-22:55:050
365620199146119,17cyclictest3755631-21kworker/u2:300:28:410
365620199145118,17cyclictest3688764-21kworker/u2:221:37:210
365620199145117,17cyclictest3727065-21kworker/u2:023:17:070
365620199145114,20cyclictest84-21jbd2/mmcblk0p2-19:55:060
373984221440,2sleep03739845-21grep23:36:190
365620199143116,18cyclictest3669243-21kworker/u2:020:15:090
365620199143115,17cyclictest3688764-21kworker/u2:221:49:410
365620199143103,17cyclictest3739121-21kworker/u2:223:49:520
365620199142116,16cyclictest3684587-21kworker/u2:121:02:570
365620199142115,17cyclictest3686903-21kworker/u2:021:17:260
365620199141114,17cyclictest3755631-21kworker/u2:300:32:290
365620199140113,17cyclictest3653866-21kworker/u2:219:13:390
365620199138109,18cyclictest3688764-21kworker/u2:221:12:340
365620199137110,17cyclictest3677135-21kworker/u2:220:40:090
365620199134108,17cyclictest3671555-21kworker/u2:220:11:210
365620199134107,17cyclictest3677135-21kworker/u2:220:55:090
365620199133106,18cyclictest3675302-21kworker/u2:120:25:090
365620199132104,17cyclictest3656209-21kworker/u2:119:35:090
365620199131103,18cyclictest3677135-21kworker/u2:220:52:540
365620199131103,17cyclictest3697897-21kworker/u2:121:34:310
365620199128102,17cyclictest3684587-21kworker/u2:121:05:090
365620199128102,17cyclictest3669243-21kworker/u2:020:00:310
365620199128101,17cyclictest3679014-21kworker/u2:020:33:410
365620199127101,17cyclictest3665979-21kworker/u2:119:46:130
365620199127101,17cyclictest3656209-21kworker/u2:119:23:410
36562019912597,18cyclictest3657985-21kworker/u2:019:16:280
36562019912498,17cyclictest3675302-21kworker/u2:120:24:200
36562019912498,17cyclictest3656209-21kworker/u2:119:29:230
3656201997948,20cyclictest84-21jbd2/mmcblk0p2-19:10:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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