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2025-06-29 - 02:58
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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 792 highest latencies:
System rack5slot7.osadl.org (updated Sun Jun 29, 2025 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19942224052168,184sleep00-21swapper17:47:350
200379911133,54cyclictest29058-21apt-get20:48:300
200379910730,52cyclictest16665-21apt-get21:48:290
200379910633,49cyclictest9574-21df_inode23:03:580
200379910631,50cyclictest6673-21apt-get21:18:330
200379910530,52cyclictest18336-21apt-get21:53:310
200379910432,49cyclictest30060-21/usr/sbin/munin22:28:420
200379910412,30cyclictest8669-21ssh21:24:000
200379910331,33cyclictest22272-21snmpd18:54:090
200379910314,65cyclictest22375-21/usr/sbin/munin20:28:410
200379910229,54cyclictest0-21swapper22:40:220
200379910227,34cyclictest25048-21apt-get22:13:300
200379910227,34cyclictest20023-21apt-get21:58:330
200379910224,35cyclictest29321-21users22:24:570
200379910220,60cyclictest13321-21users19:59:570
200379910215,65cyclictest27172-21irqstats22:19:190
200379910131,49cyclictest3118-21memory22:44:230
200379910130,49cyclictest16083-21fw_conntrack20:09:060
200379910130,32cyclictest3179-21munin-run21:08:070
200379910128,52cyclictest25737-21apt-get20:38:270
200379910128,31cyclictest22333-21munin-run17:58:090
200379910116,45cyclictest14964-21users20:04:510
200379910115,51cyclictest0-21swapper20:18:020
200379910048,35cyclictest12518-21timerwakeupswit21:34:500
200379910028,46cyclictest32416-21apt-get20:58:300
200379910027,37cyclictest27549-21wget20:43:430
200379910026,34cyclictest3320-21ssh21:08:240
200379910023,36cyclictest23887-21memory22:09:250
200379910016,23cyclictest6294-21fw_conntrack22:54:090
200379910014,48cyclictest32226-21ssh20:57:530
20037999935,21cyclictest10845-21apt-get23:08:320
20037999925,34cyclictest14606-21ssh21:41:450
20037999916,62cyclictest22316-21ntp_states22:04:380
20037999915,47cyclictest8868-21ssh23:01:480
20037999912,63cyclictest12327-21ssh19:58:140
20037999910,25cyclictest25516-21ssh20:37:460
20037999835,42cyclictest12428-21apt-get23:13:270
20037999834,43cyclictest8928-21latency_hist19:48:060
20037999829,48cyclictest10533-21memory21:29:290
20037999826,32cyclictest19046-21apt-get20:18:280
20037999825,51cyclictest26049-21apt-get18:18:270
20037999815,61cyclictest4266-21apt-get22:48:350
20037999815,61cyclictest20996-21df20:23:560
20037999815,46cyclictest32092-21fw_conntrack22:34:120
20037999733,46cyclictest25587-21ntp_kernel_pll_18:14:060
20037999729,47cyclictest9059-21apt-get19:48:270
20037999727,32cyclictest15450-21irqstats21:44:210
20037999721,38cyclictest981-21cstates18:58:350
20037999715,61cyclictest6524-21munin-run21:18:080
20037999619,52cyclictest24202-21ls18:08:110
2003799959,66cyclictest22665-21sed17:58:400
20037999515,61cyclictest24921-21sort18:09:120
20037999511,61cyclictest5205-21latency_hist19:23:060
20037999420,51cyclictest29678-21grep18:38:300
20037999411,61cyclictest2508-21wc19:08:090
20037999321,34cyclictest31548-21aten_r5power_vo18:48:330
20037999314,21cyclictest29003-21df_inode18:33:450
20037999217,37cyclictest3445-21latency_hist19:13:100
2003799909,25cyclictest20932-21latency_hist17:53:070
20037999041,30cyclictest0-21swapper19:13:430
20037999038,36cyclictest31219-21timerandwakeup18:44:180
20037999023,47cyclictest6067-21users19:24:170
20037999019,49cyclictest27007-21/usr/sbin/munin18:23:310
20037999018,33cyclictest28041-21df18:28:380
20037998921,47cyclictest7103-21sshd19:37:450
20037998917,49cyclictest7307-21basename19:38:300
20037998316,22cyclictest6225-21munin-run19:33:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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