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2025-12-05 - 16:38
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 highest latencies:
System rack7slot8.osadl.org (updated Fri Dec 05, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30200221724,49sleep00-21swapper/007:05:120
308359914264,59cyclictest1424-21nginx09:23:580
308359914063,36cyclictest12682-21irqstats08:20:290
308359913962,39cyclictest10684-21runrttasks12:25:140
308359913864,55cyclictest1356-21snmpd11:26:040
308359913763,22cyclictest3870-21systemctl12:00:010
308359913665,52cyclictest19435-21sshd08:47:300
308359913665,36cyclictest18424-21apt-get10:50:570
308359913662,52cyclictest1356-21snmpd09:40:050
308359913662,35cyclictest3691-21wget09:50:160
308359913571,45cyclictest13462-21/usr/sbin/munin12:35:550
308359913562,34cyclictest29740-21tr09:25:380
308359913463,49cyclictest7958-21apt-get08:00:220
308359913460,37cyclictest22224-21apt-get09:00:450
308359913459,37cyclictest1356-21snmpd10:30:450
308359913459,35cyclictest1-21systemd09:06:300
308359913458,36cyclictest21265-21awk08:55:180
308359913371,44cyclictest9997-21runrttasks10:15:190
308359913366,51cyclictest4774-21sshd12:01:150
308359913360,34cyclictest12056-21df12:30:170
308359913354,22cyclictest1833-21apt-get09:47:110
308359913283,40cyclictest12878-21mailstats10:25:480
308359913270,23cyclictest20484-21memory10:55:350
308359913260,33cyclictest6378-21irqstats10:00:320
308359913260,21cyclictest1699-21diskstats11:50:260
308359913259,39cyclictest1288-21chrt09:40:480
308359913164,50cyclictest23322-21sshd11:06:020
308359913162,50cyclictest7804-21seq12:13:300
308359913162,49cyclictest760-21systemd-journal07:30:050
308359913060,38cyclictest1356-21snmpd11:41:070
308359912965,47cyclictest30213-21tr11:35:110
308359912957,19cyclictest26017-21ntp_states09:10:430
308359912866,21cyclictest17690-21ntp_states10:45:410
308359912861,34cyclictest8883-21seq10:10:360
308359912766,44cyclictest11227-21wget08:15:160
308359912766,40cyclictest24428-21grep11:10:470
308359912761,34cyclictest1356-21snmpd08:34:580
308359912761,24cyclictest5045-21grep07:45:080
308359912760,47cyclictest22555-21latency_hist11:05:020
308359912758,37cyclictest20217-21ntpq08:50:360
308359912755,20cyclictest9780-21ntp_states12:20:430
308359912754,34cyclictest2166-21seq07:29:020
308359912659,51cyclictest8505-21ntp_states12:15:440
308359912659,33cyclictest1356-21snmpd07:19:400
308359912573,40cyclictest10113-21fw_packets08:10:250
308359912555,30cyclictest1356-21snmpd10:05:350
308359912470,41cyclictest1356-21snmpd09:17:300
308359912456,47cyclictest9754-21latency_hist08:10:040
308359912374,36cyclictest1356-21snmpd08:45:000
308359912372,40cyclictest1356-21snmpd10:35:480
308359912354,32cyclictest5950-21munin-run10:00:030
308359912263,40cyclictest16638-21swap10:40:470
308359912263,19cyclictest1016-21munin-run07:25:010
308359912260,22cyclictest6710-21sh07:55:000
308359912181,31cyclictest11471-21ntpq10:20:400
308359912176,36cyclictest14022-21ntp_states08:25:390
308359912174,36cyclictest29234-21/usr/sbin/munin11:30:360
308359912168,40cyclictest4935-21apt-get07:46:130
308359912155,36cyclictest1356-21snmpd07:39:470
308359912074,35cyclictest25925-21apt-get11:17:040
308359912070,39cyclictest30715-21aten_r7power_vo09:30:180
308359912066,41cyclictest837-21users11:45:540
308359912056,44cyclictest1531-21munin-node07:55:090
308359912045,19cyclictest31109-21df07:10:160
308359911971,37cyclictest26657-21fw_conntrack11:20:240
308359911856,44cyclictest16429-21sshd08:35:320
308359911768,37cyclictest1356-21snmpd12:06:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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