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2026-09-05 - 12:02
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack5slot7.osadl.org (updated Sat Sep 05, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2822224062216,139sleep00-21swapper18:57:150
32509917321,41cyclictest15936-21memory22:07:090
32509916933,32cyclictest0-21swapper23:06:520
32509916912,133cyclictest26882-21sshd21:04:510
32509916813,50cyclictest27596-21/usr/sbin/munin00:17:210
32509916716,26cyclictest32588-21apt-get22:56:100
32509916715,129cyclictest22976-21memory00:02:120
32509916618,43cyclictest31360-21df_inode00:26:430
32509916617,37cyclictest17831-21memory23:47:110
32509916518,24cyclictest32383-21apt-get21:21:070
32509916517,25cyclictest9472-21users21:47:360
32509916437,17cyclictest22593-21sed20:41:530
32509916422,40cyclictest31240-21fw_conntrack22:51:480
32509916417,37cyclictest28825-21munin-run21:10:520
32509916416,40cyclictest12158-21apt-get23:31:080
32509916340,103cyclictest18204-21latency_hist20:20:510
32509916328,38cyclictest9749-21sh23:23:040
32509916324,21cyclictest0-21swapper23:12:330
32509916317,25cyclictest5111-21apt-get21:36:050
32509916217,41cyclictest27772-21df_inode22:41:400
32509916217,24cyclictest2200-21df_inode23:01:430
32509916216,23cyclictest29332-21fw_conntrack21:11:450
32509916213,47cyclictest29883-21ssh22:47:250
32509916211,129cyclictest14207-21snmpd22:30:300
32509916136,104cyclictest0-21swapper23:20:280
32509916133,108cyclictest31990-21ssh21:19:250
32509916119,28cyclictest19398-21fw_conntrack23:51:470
32509916118,22cyclictest24266-21df22:31:280
32509916114,44cyclictest20740-21apt-get23:56:140
32509916112,26cyclictest7397-21/usr/sbin/munin21:42:110
3250991608,129cyclictest21195-21ntp_states22:22:200
32509916019,25cyclictest17682-21memory22:12:100
32509916019,24cyclictest29647-21df_inode00:21:400
32509916015,23cyclictest10155-21apt-get19:36:030
32509916014,26cyclictest12319-21df_inode21:56:400
32509915944,23cyclictest15091-21sh23:38:580
32509915934,19cyclictest11072-21sshd21:52:280
32509915933,32cyclictest26035-21cut00:11:240
32509915915,39cyclictest19001-21/usr/sbin/munin22:16:210
32509915913,45cyclictest10434-21/usr/sbin/munin23:26:510
32509915911,58cyclictest3395-21apt-get21:30:580
32509915814,25cyclictest2007-21df_inode21:26:390
32509915813,42cyclictest24151-21/usr/sbin/munin00:05:590
32509915813,28cyclictest12669-21grep19:46:520
32509915734,21cyclictest15574-21aten_r5power_cu20:06:070
32509915720,26cyclictest3347-21apt-get19:01:020
32509915718,26cyclictest15573-21apt-get23:41:050
32509915714,23cyclictest4849-21grep19:06:330
32509915713,26cyclictest13680-21/usr/sbin/munin22:02:310
32509915618,22cyclictest26659-21users22:37:340
32509915537,23cyclictest7184-21switchtime19:16:490
32509915439,20cyclictest11679-21switchtime19:41:490
32509915431,21cyclictest23274-21grep20:46:460
32509915429,107cyclictest9127-21cron19:30:470
32509915337,23cyclictest15044-21load20:01:370
32509915316,23cyclictest25362-21munin-run21:00:480
32509915315,45cyclictest19151-21apt-get20:26:030
32509915312,29cyclictest13572-21sed19:51:520
32509915216,39cyclictest21251-21fw_conntrack20:36:270
32509915216,27cyclictest17224-21users20:11:560
32509915119,38cyclictest6459-21munin-run19:15:490
32509915119,29cyclictest8202-21users19:21:560
32509915118,25cyclictest9255-21apt-get19:31:060
32509915013,40cyclictest14049-21/usr/sbin/munin19:56:280
32509915013,22cyclictest20404-21irqstats20:31:310
32509914915,35cyclictest24053-21sort20:51:330
32509914716,38cyclictest18252-21apt-get20:21:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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