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2026-04-23 - 19:53
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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 Thu Apr 23, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4877224022166,182sleep00-21swapper07:04:590
51679917120,27cyclictest24277-21apt-get10:32:370
51679917017,129cyclictest12769-21df11:33:020
51679916928,23cyclictest4517-21ntp_states11:08:520
51679916818,39cyclictest28374-21fw_conntrack12:18:200
51679916814,131cyclictest13834-21ssh10:02:210
51679916717,24cyclictest11709-21/usr/sbin/munin11:29:030
51679916716,24cyclictest11023-21memory09:53:350
51679916634,111cyclictest17960-21missed_timers10:13:430
51679916620,39cyclictest31703-21memory10:53:420
51679916615,47cyclictest24526-21/usr/sbin/munin12:08:510
51679916517,25cyclictest19125-21apt-get10:17:390
51679916514,46cyclictest26528-21df12:13:040
51679916514,128cyclictest8655-21munin-run09:47:190
51679916445,100cyclictest16739-21switchtime11:43:590
51679916419,25cyclictest20975-21munin-run11:57:200
51679916416,23cyclictest669-21apt-get12:32:370
51679916320,42cyclictest5216-21munin-run09:37:200
51679916317,25cyclictest21292-21irqstats10:23:290
51679916233,20cyclictest16170-21ssh10:08:330
51679916218,37cyclictest29704-21df10:47:580
5167991617,43cyclictest2178-21apt-get11:02:390
51679916124,27cyclictest21483-21fw_conntrack11:58:180
51679916122,27cyclictest31422-21apt-get12:27:400
51679916119,39cyclictest5887-21memory09:38:400
51679916118,37cyclictest30879-21/usr/sbin/munin09:19:150
51679916117,25cyclictest6551-21users11:14:080
51679916117,24cyclictest9605-21memory11:23:390
51679916116,44cyclictest23210-21fw_conntrack12:03:220
51679916116,24cyclictest27743-21apt-get10:42:390
51679916115,39cyclictest29138-21apt-get09:12:480
51679916042,101cyclictest19646-21latency08:23:070
51679916027,110cyclictest0-21swapper11:47:550
51679916018,36cyclictest9721-21users09:49:070
51679916015,20cyclictest14228-21apt-get11:37:430
51679916014,48cyclictest23920-21ssh10:31:120
51679916014,122cyclictest584-21irqstats09:23:290
51679916011,42cyclictest1690-21snmpd09:08:260
51679916010,125cyclictest14652-21sendmail07:57:190
51679915917,117cyclictest26278-21df10:38:040
51679915916,43cyclictest20440-21df_inode08:27:550
51679915916,40cyclictest958-21memory10:58:360
51679915913,39cyclictest8303-21ssh11:19:110
51679915832,16cyclictest0-21swapper07:33:060
51679915818,36cyclictest29719-21apt-get12:22:450
51679915811,45cyclictest12658-21find07:43:170
51679915744,96cyclictest17439-21latency_hist08:12:230
51679915718,23cyclictest3048-21ssh09:30:130
51679915716,24cyclictest14887-21users10:04:070
51679915613,41cyclictest13710-21sed07:48:250
51679915610,29cyclictest22961-21wget08:42:420
51679915520,25cyclictest22455-21ntp_states08:38:170
51679915518,24cyclictest8473-21apt-get07:22:330
51679915515,23cyclictest21866-21munin-run08:37:200
51679915417,25cyclictest26058-21ntp_states08:58:160
51679915416,38cyclictest24141-21grep08:48:070
51679915416,24cyclictest25072-21memory08:53:110
51679915412,27cyclictest6259-21cat07:12:290
51679915320,29cyclictest27282-21munin-run09:07:220
51679915319,24cyclictest5264-21apt-get07:07:330
51679915315,19cyclictest9360-21apt-get07:27:370
51679915313,26cyclictest19152-21vmstat08:18:320
51679915218,25cyclictest17454-21apt08:12:310
51679915212,39cyclictest1690-21snmpd07:37:430
51679915138,22cyclictest15734-21aten_r5power_po08:02:410
51679915117,34cyclictest14981-21df07:57:490
51679915018,22cyclictest7575-21apt-get07:17:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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