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2026-08-12 - 05:50
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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 Wed Aug 12, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12049224482205,91sleep00-21swapper18:58:400
124479911742,34cyclictest1502-21users00:08:530
124479911218,70cyclictest29173-21apt-get22:22:200
124479911137,51cyclictest1468-21apt-get21:02:190
124479911045,31cyclictest27408-21latency_hist22:17:040
124479911037,50cyclictest17473-21apt-get23:22:180
124479911035,52cyclictest5252-21munin-run22:47:000
124479911033,34cyclictest27838-21apt-get23:52:230
124479910821,64cyclictest14373-21fw_conntrack19:12:370
124479910735,48cyclictest6969-21df21:17:430
124479910633,50cyclictest24437-21irqstats22:08:110
124479910633,33cyclictest8189-21ssh22:54:250
124479910632,49cyclictest12659-21fw_conntrack23:07:570
124479910545,36cyclictest26681-21apt-get20:22:140
124479910533,35cyclictest25510-21ssh23:44:440
124479910528,37cyclictest5709-21df_inode22:47:500
124479910433,32cyclictest4972-21users00:18:480
124479910432,48cyclictest9239-21fw_conntrack22:58:070
124479910431,51cyclictest10552-21apt-get23:02:180
124479910413,66cyclictest7850-21fw_conntrack00:27:550
124479910352,31cyclictest18828-21ssh21:52:180
124479910338,41cyclictest32626-21apt-get22:32:170
124479910330,50cyclictest22653-21/usr/sbin/munin23:38:520
124479910329,51cyclictest22253-21apt-get22:02:190
124479910329,32cyclictest13620-21apt-get21:37:180
124479910230,50cyclictest3558-21ssh21:07:490
124479910230,48cyclictest6119-21fw_conntrack00:22:560
124479910228,34cyclictest30191-21ntp_states23:58:300
124479910227,35cyclictest16689-21users23:18:440
124479910216,63cyclictest21283-21df_inode23:32:520
124479910215,67cyclictest8956-21memory21:23:200
124479910132,49cyclictest5915-21ssh21:13:460
124479910130,51cyclictest26090-21/usr/sbin/munin23:47:350
124479910130,48cyclictest19571-21fw_conntrack23:27:550
124479910127,51cyclictest12535-21ssh21:33:300
124479910127,32cyclictest32172-21ssh22:30:240
124479910126,34cyclictest15592-21df21:42:390
124479910115,64cyclictest2889-21users22:38:560
124479910035,43cyclictest31273-21apt-get00:02:140
124479910029,32cyclictest17599-21memory21:48:150
124479910028,51cyclictest27435-21/usr/sbin/munin22:17:060
124479910027,50cyclictest31981-21munin-run20:51:580
124479910025,34cyclictest2625-21ssh00:12:490
124479910025,33cyclictest11754-21munin-run21:31:590
124479910024,36cyclictest993-21grep20:57:540
124479910020,38cyclictest23935-21wc20:07:020
12447999931,46cyclictest14363-21df_inode23:12:480
12447999928,49cyclictest22295-21cut19:57:300
12447999926,35cyclictest16395-21grep19:22:570
12447999918,22cyclictest25369-21ntp_states20:12:540
12447999851,29cyclictest20165-21timerwakeupswit19:43:000
12447999829,49cyclictest21472-21users21:58:440
12447999827,49cyclictest17901-21sed19:32:300
12447999826,33cyclictest1404-21lldpd19:52:220
12447999810,65cyclictest13383-21munin-node19:07:010
12447999727,48cyclictest28377-21sendmail20:31:580
12447999726,34cyclictest15705-21head19:18:030
12447999720,51cyclictest32095-21apt-get20:52:150
12447999714,60cyclictest19311-21sed19:38:030
1244799969,64cyclictest30534-21sed20:42:310
12447999626,47cyclictest17569-21munin-run19:31:590
12447999621,35cyclictest29275-21sshd20:35:410
12447999612,61cyclictest26100-21if_eth020:17:400
12447999536,35cyclictest23971-21apt-get20:07:150
12447999522,50cyclictest29866-21ntpq20:37:540
12447999420,49cyclictest14069-21sort19:12:030
12447999413,23cyclictest21170-21munin-run19:52:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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