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2026-06-11 - 21:13
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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 792 highest latencies:
System rack7slot8.osadl.org (updated Thu Jun 11, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81712977204,408sleep07638-21kworker/0:219:05:160
27390211313,12sleep027391-21users20:16:380
92669910670,26cyclictest28171-21dmidecode00:26:280
2895210521,12sleep01625-21apt-get20:47:010
1189121055,12sleep011919-21aten_r7power_po19:20:120
485821045,14sleep04883-21if_eth020:55:280
92669910165,23cyclictest101ktimersoftd/022:16:190
2421021015,12sleep024256-21mailstats22:10:450
2158821006,12sleep020857-21/usr/sbin/munin22:01:050
248432997,12sleep024839-21ntp_states00:16:140
185342995,11sleep018323-21/usr/sbin/munin21:50:220
117442985,11sleep011753-21users23:25:590
9266999744,33cyclictest9794-21runrttasks21:15:180
9266999739,41cyclictest101ktimersoftd/023:22:140
224392966,11sleep022458-21if_eth020:00:290
9266999451,26cyclictest101ktimersoftd/000:22:120
305822945,11sleep030586-21ntp_states00:35:490
9266999351,26cyclictest101ktimersoftd/000:02:170
9266999343,35cyclictest18042-21runrttasks21:48:400
9266999253,11cyclictest101ktimersoftd/021:25:420
164982925,12sleep016499-21ntp_states23:45:410
9266999033,40cyclictest0-21swapper/022:36:290
9266999033,38cyclictest0-21swapper/021:14:420
926699887,46cyclictest31951-21ntp_states22:40:430
9266998642,28cyclictest3650irq/20-4900000021:55:230
9266998628,18cyclictest754-21systemd-journal19:35:010
9266998625,44cyclictest101ktimersoftd/020:07:110
926699857,17cyclictest9375-21/usr/sbin/munin23:20:050
9266998552,15cyclictest10150irq/55-4a10000021:40:120
9266998550,22cyclictest101ktimersoftd/023:06:370
9266998541,30cyclictest3650irq/20-4900000000:05:380
9266998537,31cyclictest10250irq/56-4a10000000:10:170
9266998456,18cyclictest8234-21cron21:10:000
9266998442,29cyclictest101ktimersoftd/022:57:130
9266998436,32cyclictest21323-21runrttasks19:55:370
9266998432,32cyclictest27994-21aten_r7power_en20:20:120
233752844,7sleep00-21swapper/022:08:270
9266998354,19cyclictest20102-21/usr/sbin/munin19:51:030
9266998349,26cyclictest0-21swapper/021:20:200
9266998335,31cyclictest29236-21load00:30:300
9266998320,19cyclictest27694-21latency_hist22:25:040
9266998233,29cyclictest14860-21/usr/sbin/munin23:40:100
9266998220,16cyclictest16698-21latency_hist19:40:050
9266998150,14cyclictest10150irq/55-4a10000020:30:370
9266998137,28cyclictest10250irq/56-4a10000022:25:120
926699807,25cyclictest30004-21sshd22:33:370
926699807,16cyclictest7535-21mailstats23:10:450
9266998050,14cyclictest10150irq/55-4a10000020:25:390
9266998030,17cyclictest13258-21cpu19:25:130
9266997959,11cyclictest101ktimersoftd/019:17:060
9266997950,13cyclictest10150irq/55-4a10000023:50:260
9266997945,24cyclictest13961-21/usr/sbin/munin23:35:400
9266997943,26cyclictest0-21swapper/021:30:200
9266997929,15cyclictest180742chrt19:45:110
926699788,20cyclictest17144-21memory19:40:320
9266997860,11cyclictest101ktimersoftd/021:35:500
9266997860,10cyclictest101ktimersoftd/022:45:520
9266997848,13cyclictest10150irq/55-4a10000023:55:490
9266997848,13cyclictest10150irq/55-4a10000019:10:420
926699777,33cyclictest26182-21latency_hist20:15:040
9266997760,10cyclictest101ktimersoftd/023:30:260
9266997647,14cyclictest10150irq/55-4a10000022:55:040
9266997642,26cyclictest517-21/usr/sbin/munin20:40:120
9266997632,31cyclictest101ktimersoftd/020:35:440
9266997546,14cyclictest10150irq/55-4a10000023:00:370
9266997545,14cyclictest10150irq/55-4a10000020:50:410
9266997448,17cyclictest6261-21sshd21:00:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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