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2025-09-03 - 00:27
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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 Tue Sep 02, 2025 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24924217015,122sleep024830-21kworker/0:319:09:210
250699911254,39cyclictest2628-21latency_hist19:50:020
250699910731,57cyclictest1424-21nginx21:48:430
250699910633,20cyclictest2146-21sh21:55:000
250699910534,21cyclictest7263-21ntp_states00:20:420
250699910532,54cyclictest23123-21runrttasks23:15:220
250699910460,34cyclictest8552-21runrttasks20:12:430
250699910454,40cyclictest13911-21ntp_states22:40:440
250699910330,54cyclictest3822-21runrttasks22:00:290
250699910265,28cyclictest31275-21latency_hist19:35:030
250699910032,34cyclictest25251-21systemctl21:15:460
250699910029,35cyclictest800-21avahi-daemon20:20:250
25069999964,25cyclictest29498-21fw_forwarded_lo23:40:270
25069999930,34cyclictest30031-21seq19:30:000
25069999864,24cyclictest19192-21runrttasks23:00:310
25069999857,32cyclictest26398-21aten_r7power_cu19:15:120
25069999856,31cyclictest9673-21latency_hist22:25:030
25069999837,21cyclictest4655-21memory00:10:330
25069999828,34cyclictest1356-21snmpd23:29:090
25069999828,33cyclictest6732-21munin-run00:20:030
25069999826,37cyclictest26169-21df_inode21:20:190
25069999826,36cyclictest9716-21apt-get20:17:010
25069999766,22cyclictest8037-21runrttasks22:17:090
25069999756,33cyclictest800-21avahi-daemon20:00:240
25069999638,44cyclictest800-21avahi-daemon19:10:430
25069999636,47cyclictest10250irq/56-4a10000000:29:210
25069999630,49cyclictest28812-21sshd23:37:300
25069999627,33cyclictest1356-21snmpd20:53:360
25069999567,19cyclictest4219-21/usr/sbin/munin19:55:280
25069999565,22cyclictest27056-21sshd23:30:300
25069999534,41cyclictest20830-21latency_hist21:00:040
25069999533,43cyclictest16356-21latency_hist22:50:040
25069999530,48cyclictest17871-21sshd22:55:300
25069999526,34cyclictest1356-21snmpd00:34:220
25069999526,31cyclictest11930-21cat20:25:200
25069999525,33cyclictest32527-21munin-run19:40:020
25069999469,11cyclictest101ktimersoftd/022:13:530
25069999459,26cyclictest2501-21fw_forwarded_lo21:55:260
25069999452,23cyclictest15827-21fw_conntrack20:40:260
25069999443,32cyclictest10150irq/55-4a10000020:45:420
25069999430,48cyclictest2100-21seq00:00:260
25069999422,34cyclictest9763-21munin-node22:25:100
25069999356,28cyclictest22436-21fw_forwarded_lo21:05:240
25069999351,31cyclictest800-21avahi-daemon22:50:290
25069999328,46cyclictest1424-21nginx23:48:080
25069999326,32cyclictest1723-40runlevel00:00:030
25069999319,36cyclictest2890-21cpuspeed19:50:140
25069999243,39cyclictest31175-21entropy21:40:230
25069999228,33cyclictest800-21avahi-daemon22:06:320
25069999219,53cyclictest27381-21/usr/sbin/munin21:25:200
25069999169,11cyclictest101ktimersoftd/023:09:040
25069999159,21cyclictest13239-21runrttasks22:38:550
25069999133,38cyclictest14574-21sshd20:35:290
25069999128,27cyclictest21985-21users23:10:500
25069999127,45cyclictest31774-21wget23:50:120
25069999049,31cyclictest28904-21proc_pri21:30:420
25069998959,20cyclictest792-21haveged21:01:480
25069998956,23cyclictest4157-21runrttasks00:09:280
25069998943,34cyclictest1424-21nginx00:38:120
25069998923,37cyclictest11206-21df22:30:220
25069998919,33cyclictest27783-21wget19:20:160
25069998917,34cyclictest1356-21snmpd19:43:210
25069998825,47cyclictest13553-21chrt20:30:450
25069998821,48cyclictest24333-21seq23:20:150
25069998545,31cyclictest29989-21sshd21:35:300
25069998530,37cyclictest1-21systemd20:08:200
25069998347,29cyclictest23972-21sendmail_mailst21:10:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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