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2026-06-23 - 17:05
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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 Tue Jun 23, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27540231833,82sleep01305-21snmpd19:06:370
280099917539,31cyclictest10250irq/56-4a10000019:20:140
280099916236,32cyclictest16091-21chrt00:36:570
280099915936,31cyclictest20591-21apt-config20:45:200
280099915761,10cyclictest101ktimersoftd/000:15:390
280099915645,26cyclictest101ktimersoftd/020:10:520
280099915540,29cyclictest3650irq/20-4900000020:55:390
280099915536,28cyclictest3650irq/20-4900000000:28:440
280099915532,29cyclictest3650irq/20-4900000023:32:110
280099915410,17cyclictest24118-21ntp_states23:05:410
280099915263,9cyclictest101ktimersoftd/000:03:150
280099915235,11cyclictest101ktimersoftd/019:55:500
280099914952,14cyclictest19069-21iwlist22:45:510
280099914443,20cyclictest10150irq/55-4a10000019:17:100
2800999135110,15cyclictest0-21swapper/019:10:030
6233211413,87sleep06234-21diskstats19:50:220
400321025,83sleep04059-21sendmail_mailqu19:40:430
280099910243,38cyclictest0-21swapper/020:33:110
2268321024,80sleep022684-21df23:00:180
2648921015,82sleep026491-21fw_forwarded_lo23:15:500
1358521015,84sleep013588-21diskstats22:25:210
454521006,83sleep04559-21sed21:50:020
128662995,80sleep012867-21fw_forwarded_lo20:15:270
105032996,81sleep09646-21apt-get20:05:570
179622975,82sleep017978-21ntpq20:35:370
148082957,76sleep014809-21users00:31:410
286012936,75sleep028610-21munin-run23:25:010
273512936,75sleep027349-21diskstats21:10:370
28009999245,12cyclictest1311-21sshd23:43:110
59662915,75sleep06007-21aten_r7power_vo21:55:140
28009999055,19cyclictest4510-21ntpq23:55:370
28009998937,38cyclictest0-21swapper/020:00:360
28009998862,11cyclictest101ktimersoftd/019:32:100
321572870,6sleep032194-21aten_r7power_vo21:30:160
28009998744,29cyclictest3650irq/20-4900000023:35:240
28009998738,34cyclictest10250irq/56-4a10000020:26:210
160592875,70sleep016062-21df_inode22:35:210
28009998640,31cyclictest10250irq/56-4a10000022:01:400
28009998559,10cyclictest101ktimersoftd/020:53:160
28009998549,27cyclictest26688-21cat21:10:070
28009998521,30cyclictest787-21haveged23:30:050
2800999848,19cyclictest10509-21wget00:20:130
28009998427,42cyclictest12008-21latency_hist22:20:040
127392835,66sleep012748-21users22:20:480
28009998251,13cyclictest10150irq/55-4a10000021:15:200
28009998243,22cyclictest0-21swapper/021:03:190
28009998235,30cyclictest3179-21if_eth023:50:270
28009998230,14cyclictest18241-21latency_hist22:45:090
28009998151,21cyclictest20619-21/usr/sbin/munin22:50:520
28009998134,34cyclictest255952chrt23:10:510
28009998130,41cyclictest10250irq/56-4a10000023:48:550
28009998049,14cyclictest10150irq/55-4a10000000:10:040
28009998048,14cyclictest10150irq/55-4a10000021:40:230
28009998033,31cyclictest754-21systemd-journal19:28:220
28009997946,25cyclictest0-21swapper/021:25:060
28009997926,20cyclictest4835-21wget19:45:110
28009997857,12cyclictest101ktimersoftd/022:33:390
28009997827,12cyclictest0-21swapper/021:53:270
28009997748,14cyclictest10150irq/55-4a10000021:40:020
28009997747,13cyclictest10150irq/55-4a10000022:05:320
28009997555,11cyclictest101ktimersoftd/021:20:180
28009997552,16cyclictest9674-21aten_r7power_en22:10:130
28009997546,12cyclictest10150irq/55-4a10000020:40:260
28009997545,14cyclictest10150irq/55-4a10000000:10:380
28009997544,14cyclictest10150irq/55-4a10000019:35:380
28009997535,26cyclictest14131-21cat20:20:240
28009997433,27cyclictest1276-21runrttasks22:59:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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