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2026-08-08 - 23:31
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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 Sat Aug 08, 2026 02:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1831726940,11sleep018315-21proc_pri19:05:460
190509915670,32cyclictest32522-21df22:10:160
190509915057,46cyclictest1919-21apt-get22:17:070
190509914972,39cyclictest15177-21ntp_states23:05:410
190509914864,32cyclictest6261-21scp00:37:020
190509914770,37cyclictest15115-21diskstats21:00:210
190509914673,52cyclictest24322-21/usr/sbin/munin19:30:190
190509914670,39cyclictest1400-21users20:05:490
190509914575,32cyclictest31465-21apt-get20:00:020
190509914570,36cyclictest1305-21snmpd23:21:380
190509914473,51cyclictest5013-21apt-key20:20:240
190509914470,36cyclictest4219-21diskstats00:30:220
190509914379,44cyclictest1276-21runrttasks20:30:470
190509914372,34cyclictest23809-21sendmail-msp23:40:020
190509914371,53cyclictest22058-21seq19:20:420
190509914370,19cyclictest19681-21apt-get23:27:110
190509914369,55cyclictest1305-21snmpd19:38:490
190509914363,24cyclictest3557-21apt-get22:27:090
190509914282,41cyclictest9800-21systemctl20:40:000
190509914272,33cyclictest754-21systemd-journal00:29:130
190509914268,35cyclictest27754-21ntp_states21:50:410
190509914261,39cyclictest994-21apt-get00:17:050
190509914176,47cyclictest26717-21memory23:50:350
190509914073,35cyclictest31465-21apt-get20:00:160
190509914071,48cyclictest22440-21wget21:30:120
190509914070,35cyclictest12172-21munin-plugin-st22:55:010
190509914067,18cyclictest2281-21fw_conntrack20:10:240
190509914066,36cyclictest8729-21ps22:41:270
190509913974,48cyclictest1557-21wget00:20:170
190509913974,47cyclictest6273-21cut20:25:130
190509913974,36cyclictest26911-21irqstats19:40:290
190509913974,31cyclictest19371-21fw_packets19:10:270
190509913968,37cyclictest12787-21ntpq20:50:350
190509913966,20cyclictest30174-21memory22:00:350
190509913885,41cyclictest21149-21chrt19:17:060
190509913878,41cyclictest29150-21seq00:00:290
190509913873,46cyclictest1608-21ntpd20:46:130
190509913873,24cyclictest18412-21sh23:20:010
190509913772,46cyclictest9796-21ntpq22:45:360
190509913772,23cyclictest24138-21df_inode23:40:300
190509913766,32cyclictest16354-21/usr/sbin/munin21:05:210
190509913764,37cyclictest1305-21snmpd21:56:140
190509913673,30cyclictest19778-21munin-run21:20:020
190509913670,46cyclictest29097-21munin-node19:50:110
190509913667,50cyclictest3511-21forks20:15:240
190509913661,58cyclictest28159-21ps23:55:530
190509913574,20cyclictest7661-21sendmail22:40:010
190509913572,20cyclictest30461-21irqstats00:05:300
190509913477,43cyclictest754-21systemd-journal22:06:540
190509913472,22cyclictest17621-21seq21:10:240
190509913471,44cyclictest23730-21cut21:35:150
190509913469,50cyclictest21200-21wget21:25:120
190509913467,34cyclictest25569-21ntp_states23:45:510
190509913367,25cyclictest21835-21ntp_states23:30:540
190509913271,21cyclictest13904-21/usr/sbin/munin20:55:280
190509913267,48cyclictest1305-21snmpd19:48:510
190509913264,51cyclictest31456-21/usr/sbin/munin00:10:420
190509913182,38cyclictest5307-21/usr/sbin/munin22:30:130
190509913175,40cyclictest26126-21/usr/sbin/munin21:45:540
190509913174,19cyclictest12500-21chrt22:55:280
190509913065,35cyclictest1305-21snmpd22:21:190
190509912980,37cyclictest13777-21diskstats23:00:330
190509912970,19cyclictest20115-21diskstats21:20:220
190509912964,48cyclictest9986-21wget20:40:130
190509912878,38cyclictest16389-21ntpq23:10:360
190509912864,35cyclictest24882-21munin-node21:40:120
190509912764,27cyclictest1305-21snmpd19:28:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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