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2026-07-08 - 14:54
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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 Wed Jul 08, 2026 02:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3010222835,60sleep00-21swapper/019:05:170
39999911991,18cyclictest20239-21dmidecode00:29:340
12444211111,11sleep011436-21apt-get19:41:230
1153321116,12sleep010568-21apt-get21:46:150
600221055,11sleep06004-21irqstats21:25:320
1759021045,12sleep017591-21cron00:20:010
1071121015,12sleep010709-21ntp_states19:35:420
626421005,12sleep06267-21df_inode23:35:190
3999999835,28cyclictest101ktimersoftd/023:45:240
3999999642,39cyclictest0-21swapper/019:20:120
233722965,11sleep023373-21diskstats20:25:230
287422955,11sleep028744-21fw_conntrack22:55:290
147472956,11sleep014748-21memory19:50:330
3999999343,36cyclictest100482sleep023:50:140
399999909,44cyclictest17174-21munin-run22:10:020
8822895,70sleep0883-21diskstats21:05:220
3999998850,21cyclictest0-21swapper/020:18:560
55982876,70sleep05614-21irqstats19:15:310
3999998746,27cyclictest101ktimersoftd/020:00:440
3999998739,14cyclictest10250irq/56-4a10000022:36:370
3999998652,15cyclictest10150irq/55-4a10000000:35:260
3999998624,17cyclictest14672-21latency_hist22:00:030
3999998558,17cyclictest105692sleep021:45:010
3999998553,20cyclictest16267-21/usr/sbin/munin19:55:470
3999998545,22cyclictest10150irq/55-4a10000000:10:280
3999998541,29cyclictest10250irq/56-4a10000021:38:290
3999998531,38cyclictest0-21swapper/023:19:360
3999998529,39cyclictest0-21swapper/020:59:050
3999998452,16cyclictest19216-21runrttasks20:09:230
3999998354,12cyclictest10150irq/55-4a10000000:30:460
3999998332,37cyclictest0-21swapper/019:48:500
3999998323,26cyclictest19325-21chrt22:17:120
125402834,7sleep00-21swapper/023:59:580
3999998247,25cyclictest0-21swapper/020:50:230
3999998227,39cyclictest0-21swapper/000:24:490
399999819,54cyclictest4077-21sshd21:17:560
3999998153,13cyclictest10150irq/55-4a10000020:45:310
3999998122,14cyclictest533-21latency_hist21:05:030
3999998061,11cyclictest101ktimersoftd/022:50:170
3999998060,12cyclictest101ktimersoftd/000:05:310
3999998051,13cyclictest10150irq/55-4a10000020:20:420
3999998044,25cyclictest0-21swapper/022:25:220
3999998027,37cyclictest0-21swapper/021:54:180
3999997960,11cyclictest101ktimersoftd/020:35:490
3999997950,14cyclictest10150irq/55-4a10000022:00:200
3999997950,13cyclictest10150irq/55-4a10000023:00:270
3999997949,19cyclictest175352sleep022:10:300
3999997948,14cyclictest10150irq/55-4a10000023:30:180
3999997850,13cyclictest10150irq/55-4a10000000:04:440
3999997849,20cyclictest8077-21runrttasks19:25:280
3999997848,14cyclictest10150irq/55-4a10000020:40:180
3999997847,13cyclictest10150irq/55-4a10000023:10:170
3999997819,14cyclictest3072-21latency_hist21:15:030
3999997818,29cyclictest787-21haveged22:50:020
3999997758,11cyclictest101ktimersoftd/022:20:180
3999997749,15cyclictest10150irq/55-4a10000023:20:410
3999997747,13cyclictest10150irq/55-4a10000023:25:400
3999997739,20cyclictest22709-21pluginstate22:30:440
3999997732,32cyclictest101ktimersoftd/019:30:410
3999997647,13cyclictest10150irq/55-4a10000019:10:250
3999997629,30cyclictest4579-21wget21:20:140
3999997546,13cyclictest10150irq/55-4a10000023:05:210
3999997446,13cyclictest10150irq/55-4a10000022:40:380
3999997443,14cyclictest10150irq/55-4a10000020:30:280
3999997326,31cyclictest7356-21wget23:40:140
3999997255,10cyclictest101ktimersoftd/021:30:220
3999997154,10cyclictest101ktimersoftd/020:10:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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