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2026-05-07 - 19:25
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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 all highest latencies:
System rack7slot8.osadl.org (updated Thu May 07, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11457222737,60sleep00-21swapper/019:07:520
11774991688,18cyclictest13336-21fw_forwarded_lo19:15:280
117749916843,109cyclictest10250irq/56-4a10000023:25:130
117749916246,97cyclictest3650irq/20-4900000000:02:150
11774991616,17cyclictest30207-21find20:20:430
117749916124,13cyclictest1408-21nginx21:16:160
117749916110,23cyclictest20330-21cron21:50:010
117749915929,111cyclictest10250irq/56-4a10000021:26:160
117749915832,107cyclictest28735-21sshd00:28:540
117749915830,117cyclictest18479-21ntp_states19:35:390
11774991578,19cyclictest1305-21snmpd19:40:370
117749915710,18cyclictest10840-21munin-run21:15:030
11774991569,18cyclictest6265-21ntp_states23:00:420
117749915630,16cyclictest1305-21snmpd23:16:270
117749915540,104cyclictest27130-21sshd00:22:560
117749915534,107cyclictest28652-21fw_conntrack20:15:230
11774991548,17cyclictest22820-21apt-get22:00:480
117749915435,107cyclictest754-21systemd-journal21:09:510
117749915430,112cyclictest2010-21node22:50:030
117749915419,16cyclictest10250irq/56-4a10000023:51:360
11774991537,18cyclictest710-21munin-run22:40:030
11774991537,17cyclictest13731-21ntp_states23:30:400
117749915342,98cyclictest12056-21runrttasks19:10:190
117749915329,112cyclictest22809-21/usr/sbin/munin00:05:510
117749915326,20cyclictest1305-21snmpd23:13:460
117749915317,124cyclictest2010-21node20:46:090
11774991527,34cyclictest1305-21snmpd20:39:530
117749915238,101cyclictest1258-21ntpq22:40:390
117749915219,112cyclictest16729-21latency_hist19:30:020
117749915137,101cyclictest1-21systemd00:10:220
117749915134,106cyclictest12647-21apt-config21:20:120
117749915125,106cyclictest6389-21open_files20:55:430
11774991507,19cyclictest3375-21/usr/sbin/munin22:50:350
117749915038,97cyclictest21211-21sshd21:51:580
117749915037,100cyclictest26603-21runrttasks20:06:070
117749915036,102cyclictest19974-21ntpq23:55:470
117749915026,15cyclictest27054-21/usr/sbin/munin22:15:330
117749915022,19cyclictest1305-21snmpd19:54:430
117749915020,20cyclictest3067-21sshd20:42:230
117749915020,19cyclictest1305-21snmpd19:59:450
11774991498,16cyclictest11097-21fw_forwarded_lo23:20:240
117749914933,12cyclictest8950irq/40-mmc100:15:220
117749914931,104cyclictest754-21systemd-journal00:40:020
11774991489,19cyclictest25672-21sshd22:09:520
117749914845,85cyclictest10150irq/55-4a10000022:25:380
117749914825,12cyclictest0-21swapper/023:40:140
117749914728,13cyclictest0-21swapper/023:35:470
117749914721,18cyclictest29545-21runrttasks00:30:340
11774991468,38cyclictest4818-21diskstats22:55:220
117749914634,99cyclictest754-21systemd-journal19:33:510
117749914616,29cyclictest15534-21grep21:30:130
117749914613,28cyclictest1305-21snmpd22:11:130
11774991457,16cyclictest16902-21df21:35:170
117749914544,91cyclictest20865-21runrttasks19:45:280
117749914534,99cyclictest25573-21seq20:02:510
117749914513,21cyclictest31040-21fw_conntrack22:30:260
117749914438,97cyclictest17688-21runrttasks23:45:460
117749914434,99cyclictest22123-21pluginstate21:55:430
117749914433,98cyclictest801-21dbus-daemon21:45:010
117749914430,104cyclictest8186-21runrttasks21:03:360
117749914429,103cyclictest28414-21wget22:20:140
117749914410,24cyclictest27424-21fw_forwarded_lo20:10:260
117749914327,104cyclictest32034-21chrt20:29:520
117749914216,18cyclictest1305-21snmpd23:06:260
117749914138,93cyclictest5911-21latency_hist20:55:030
117749913936,93cyclictest1276-21runrttasks20:32:260
117749913830,98cyclictest14367-21/usr/sbin/munin19:20:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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