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2026-03-14 - 03:55
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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 50 highest latencies:
System rack7slot8.osadl.org (updated Sat Mar 14, 2026 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1247223080,9sleep012470-21sshd19:07:230
128489917025,125cyclictest1408-21nginx20:16:360
128489917025,115cyclictest1408-21nginx19:51:290
128489916525,121cyclictest1408-21nginx22:45:590
12848991649,133cyclictest28917-21apt-get22:18:130
12848991637,16cyclictest21733-21df21:50:160
128489916125,98cyclictest1408-21nginx21:01:440
12848991599,130cyclictest16677-21/usr/sbin/munin19:25:100
128489915954,96cyclictest32388-21rm22:30:210
128489915926,114cyclictest1408-21nginx19:46:290
128489915843,97cyclictest8950irq/40-mmc120:35:410
128489915826,114cyclictest11628-21wget21:10:120
128489915818,18cyclictest17974-21wget19:30:120
128489915721,118cyclictest4466-21munin-run20:45:040
12848991569,126cyclictest26630-21/usr/sbin/munin20:05:400
128489915623,117cyclictest481-21wget20:30:130
128489915610,22cyclictest19543-21ntp_states19:35:380
128489915546,94cyclictest3650irq/20-4900000000:20:220
12848991548,12cyclictest10150irq/55-4a10000022:05:400
128489915427,88cyclictest27502-21runrttasks22:13:500
128489915328,106cyclictest20418-21/usr/sbin/munin19:40:140
128489915310,17cyclictest10250irq/56-4a10000023:21:130
12848991527,32cyclictest17889-21aten_r7power_po21:35:140
12848991527,22cyclictest14696-21users21:20:490
12848991526,19cyclictest22186-21apt-get00:02:170
12848991526,14cyclictest246482sleep000:06:210
128489915239,102cyclictest30847-21runrttasks22:25:180
128489915238,100cyclictest15228-21ntpq23:30:400
128489915224,115cyclictest24492-21ntpq19:55:350
128489915210,123cyclictest7340-21http20:55:040
12848991518,122cyclictest26550-21wget00:15:100
12848991517,124cyclictest19799-21munin-node23:50:090
128489915132,109cyclictest15440-21chrt19:20:100
128489915110,16cyclictest7222-21munin-plugin-st23:00:020
12848991509,121cyclictest787-21haveged23:20:040
12848991508,17cyclictest21303-21sshd23:55:250
12848991508,16cyclictest8700-21wget23:05:150
12848991507,18cyclictest4991-21aten_r7power_vo20:45:180
12848991507,122cyclictest754-21systemd-journal21:20:010
128489915020,19cyclictest1305-21snmpd21:33:530
128489914945,87cyclictest8950irq/40-mmc121:05:220
12848991488,21cyclictest30303-21wget00:30:120
12848991488,18cyclictest1305-21snmpd23:36:170
12848991487,16cyclictest7757-21awk23:00:410
12848991487,16cyclictest5247-21ntp_states22:50:420
12848991487,122cyclictest2399-21grep22:40:130
12848991479,17cyclictest1305-21snmpd21:40:340
12848991476,17cyclictest25630-21pluginstate00:10:390
128489914731,104cyclictest17728-21ntpq23:40:420
12848991469,14cyclictest7327-21apt-get20:57:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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