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2026-10-01 - 18:35
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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 100 highest latencies:
System rack7slot8.osadl.org (updated Thu Oct 01, 2026 02:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41227250,12sleep0411-21sort19:05:170
14509916932,16cyclictest10250irq/56-4a10000022:38:390
14509916931,102cyclictest1305-21snmpd22:11:070
14509916721,19cyclictest1305-21snmpd00:07:320
1450991669,24cyclictest2010-21node19:10:590
14509916327,17cyclictest29544-21wget23:05:130
14509916221,16cyclictest0-21swapper/022:50:040
14509916128,13cyclictest0-21swapper/019:29:270
1450991598,17cyclictest11014-21apt-get00:02:130
14509915831,19cyclictest15738-21proc_pri00:15:440
14509915738,107cyclictest12649-21runrttasks22:00:090
14509915737,110cyclictest5477-21chrt21:30:490
14509915737,108cyclictest28664-21/usr/sbin/munin20:55:170
14509915636,13cyclictest10150irq/55-4a10000000:32:460
14509915553,89cyclictest16150-21/usr/sbin/munin20:05:450
14509915525,20cyclictest1408-21nginx21:01:230
14509915338,103cyclictest1-21systemd00:00:050
14509915335,107cyclictest9455-21mailstats21:45:450
14509915323,17cyclictest1305-21snmpd21:14:550
14509915321,33cyclictest1305-21snmpd22:41:130
1450991528,15cyclictest18196-21ntp_states00:25:400
14509915241,98cyclictest24804-21pluginstate20:40:440
14509915233,20cyclictest14753-21ntpq20:00:340
14509915141,98cyclictest23800-21apt-key22:45:120
14509915136,21cyclictest754-21systemd-journal20:50:340
14509915136,103cyclictest3929-21apt-get19:21:070
14509915120,18cyclictest1305-21snmpd22:31:000
1450991508,19cyclictest20254-21sshd20:22:490
1450991506,37cyclictest1305-21snmpd00:13:150
1450991506,20cyclictest1225-21diskstats21:15:230
14509915039,100cyclictest26865-21aten_r7power_po22:55:180
14509915027,25cyclictest3740-21uname23:30:440
14509915027,21cyclictest1-21systemd23:20:010
14509915024,16cyclictest1305-21snmpd23:11:230
14509915023,16cyclictest8137-21apt-get23:51:120
1450991496,19cyclictest4694-21apt-get21:30:040
14509914938,100cyclictest29314-21runrttasks23:04:510
14509914935,23cyclictest3160-21ntpq19:15:360
14509914935,14cyclictest7538-21cron21:40:000
14509914934,18cyclictest11322-21cat21:55:030
14509914927,17cyclictest10736-21aten_r7power_po19:45:130
14509914925,18cyclictest21867-21/usr/sbin/munin20:30:510
14509914914,19cyclictest4857-21chrt23:35:350
14509914837,99cyclictest13455-21sshd19:55:340
14509914834,23cyclictest18307-21df20:15:170
14509914831,13cyclictest10150irq/55-4a10000023:40:220
14509914830,16cyclictest8137-21apt-get23:50:040
14509914823,25cyclictest18748-21wget22:25:110
14509914735,16cyclictest1276-21runrttasks00:35:270
14509914722,30cyclictest14527-21latency_hist22:10:060
14509914635,13cyclictest1276-21runrttasks19:35:200
14509914633,18cyclictest2010-21node23:28:000
14509914630,18cyclictest23093-21date20:35:030
14509914629,18cyclictest16796-21fw_conntrack00:20:230
14509914615,9cyclictest140850nginx19:51:070
14509914535,13cyclictest0-21swapper/022:21:080
14509914523,17cyclictest11450-21wget21:55:110
1450991448,30cyclictest26765-21cut20:50:040
14509914429,13cyclictest1043-21if_eth023:20:290
14509914340,91cyclictest16873-21seq20:10:080
14509914335,17cyclictest7919-21runrttasks19:33:580
14509914334,16cyclictest32097-21latency_hist21:10:020
14509914333,14cyclictest16564-21ntp_kernel_pll_22:15:340
14509914325,16cyclictest21207-21/usr/sbin/munin20:25:440
14509914241,88cyclictest7717-21aten_r7power_en21:40:130
14509914039,91cyclictest9818-21ntp_states19:40:390
14509913925,20cyclictest2853-21mailstats21:20:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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