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2026-06-01 - 06:33
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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 Sun May 31, 2026 14:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13438223234,58sleep00-21swapper/007:07:330
138069911155,42cyclictest11352-21runrttasks11:10:480
138069911031,37cyclictest2025-21memory10:36:020
138069910746,27cyclictest10250irq/56-4a10000011:35:320
1410021060,6sleep014099-21cut07:10:130
138069910631,34cyclictest21948-21df_inode07:40:190
138069910531,38cyclictest2048-21apt-get08:32:120
138069910531,36cyclictest4032-21apt-get10:46:340
138069910518,36cyclictest16869-21users09:25:500
138069910427,59cyclictest4077-21latency_hist10:45:050
138069910330,52cyclictest1305-21snmpd08:41:260
138069910231,20cyclictest30953-21sshd12:30:090
138069910172,20cyclictest32174-21aten_r7power_po08:20:140
138069910060,30cyclictest6103-21irqstats10:50:470
138069910030,52cyclictest1057-21sendmail12:40:010
13806999958,31cyclictest1408-21nginx09:35:060
13806999955,34cyclictest18209-21chrt07:25:180
13806999945,41cyclictest12251-21if_eth011:15:260
13806999943,44cyclictest10250irq/56-4a10000011:20:400
13806999933,26cyclictest580-21seq10:30:490
13806999926,36cyclictest30075-21wget10:20:140
13806999922,59cyclictest0-21swapper/011:31:300
13806999855,33cyclictest20035-21aten_r7power_en09:40:120
13806999853,34cyclictest15850-21sshd07:15:340
13806999846,42cyclictest31513-21/usr/sbin/munin12:31:090
13806999827,20cyclictest31567-21ntpq10:25:370
13806999825,20cyclictest12711-21diskstats09:10:230
13806999728,34cyclictest1305-21snmpd08:45:470
13806999727,50cyclictest1305-21snmpd07:20:110
13806999727,34cyclictest28640-21ntp_states12:20:490
13806999724,21cyclictest25174-21diskstats10:00:190
13806999653,32cyclictest9896-21cut09:00:010
13806999626,35cyclictest20709-21diskstats07:35:240
13806999623,38cyclictest7715-21df08:50:190
13806999623,35cyclictest15413-21ntp_states09:20:400
13806999564,20cyclictest22860-21runrttasks09:50:360
13806999561,24cyclictest28375-21/usr/sbin/munin08:05:180
13806999540,42cyclictest18354-21wget11:40:150
13806999527,49cyclictest4179-21ntp_states08:35:410
13806999524,35cyclictest8456-21df11:00:180
13806999429,48cyclictest28693-21runrttasks10:15:110
13806999429,31cyclictest26966-21fw_forwarded_lo08:00:270
13806999424,35cyclictest31221-21ntp_states08:15:400
13806999422,35cyclictest29826-21fw_forwarded_lo08:10:250
13806999360,16cyclictest10150irq/55-4a10000007:50:200
13806999335,47cyclictest1305-21snmpd12:11:380
13806999332,20cyclictest754-21systemd-journal11:00:010
13806999261,21cyclictest14749-21/usr/sbin/munin11:25:290
13806999255,29cyclictest9674-21awk11:05:150
13806999252,29cyclictest24475-21aten_r7power_cu12:05:140
13806999248,34cyclictest26456-21seq10:05:300
13806999231,21cyclictest20755-21wget11:50:170
13806999231,21cyclictest19485-21fw_conntrack07:30:230
13806999230,22cyclictest23192-21df_inode07:45:200
13806999146,35cyclictest22193-21fw_forwarded_lo11:55:270
13806999142,38cyclictest27323-21/usr/sbin/munin12:15:360
13806999133,38cyclictest11289-21wget09:05:130
13806999132,21cyclictest26598-21munin-plugin-st08:00:000
13806999131,43cyclictest0-21swapper/010:11:080
13806999045,34cyclictest10333-21memory09:00:330
13806999033,18cyclictest19845-21chrt11:45:340
13806999032,46cyclictest23893-21sshd12:01:160
13806999028,29cyclictest1305-21snmpd09:56:040
13806998947,34cyclictest18096-21xargs09:30:480
13806998749,20cyclictest892-21/usr/sbin/munin08:25:440
13806998734,43cyclictest14518-21apt-get09:17:020
13806998729,18cyclictest21848-21seq09:45:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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