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2026-06-28 - 22:53
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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 Sun Jun 28, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2036121820,6sleep020360-21if_err_eth019:05:220
213049917250,104cyclictest6962-21cut20:16:310
213049916951,12cyclictest101ktimersoftd/021:50:180
213049916255,12cyclictest101ktimersoftd/023:30:040
213049916039,20cyclictest1025-21cron22:00:000
21304991599,19cyclictest423-21runrttasks19:52:080
21304991589,21cyclictest11205-21seq20:32:100
213049915847,16cyclictest7611-21/usr/sbin/munin00:30:560
21304991576,20cyclictest12793-21apt-get20:42:090
213049915649,19cyclictest26354-21runrttasks21:30:230
213049915647,16cyclictest25455-21sshd23:35:250
213049915647,14cyclictest10150irq/55-4a10000000:05:440
213049915643,18cyclictest32436-21runrttasks00:03:260
21304991537,16cyclictest26255-21apt-get19:32:130
213049915344,14cyclictest10150irq/55-4a10000020:10:120
213049915321,35cyclictest0-21swapper/019:28:010
213049915251,18cyclictest25620-21/usr/sbin/munin21:26:420
213049915244,18cyclictest12387-21latency_hist22:45:050
21304991516,26cyclictest23502-21apt-get23:32:130
213049915143,13cyclictest10150irq/55-4a10000023:45:360
21304991508,33cyclictest4506-21apt-key00:20:190
213049915071,65cyclictest101ktimersoftd/020:00:160
213049915045,19cyclictest5131-21sshd22:15:240
213049915044,13cyclictest10150irq/55-4a10000020:30:010
213049915042,19cyclictest23408-21runrttasks19:17:090
213049915039,14cyclictest10150irq/55-4a10000022:25:190
213049914941,18cyclictest6285-21sendmail_mailtr00:25:460
213049914921,32cyclictest18813-21df23:10:170
21304991487,14cyclictest3895-21diskstats22:10:260
213049914843,18cyclictest2263-21runrttasks22:04:330
213049914832,32cyclictest101ktimersoftd/019:40:290
213049914827,26cyclictest12211-21mailstats20:35:460
213049914739,18cyclictest28979-21runrttasks19:38:540
213049914736,22cyclictest30841-21ntp_kernel_err19:45:350
213049914660,11cyclictest101ktimersoftd/023:00:210
213049914653,11cyclictest101ktimersoftd/021:35:170
213049914643,15cyclictest15856-21aten_r7power_po20:50:150
213049914640,18cyclictest20002-21cpu23:15:150
213049914541,18cyclictest11055-21runrttasks22:40:030
213049914453,12cyclictest101ktimersoftd/023:20:380
213049914447,14cyclictest10150irq/55-4a10000022:20:190
213049914443,12cyclictest10150irq/55-4a10000000:15:380
21304991436,24cyclictest15268-21memory22:56:060
213049914354,12cyclictest101ktimersoftd/022:40:150
213049914353,11cyclictest101ktimersoftd/000:10:540
213049914338,17cyclictest8366-21runrttasks20:22:220
21304991429,17cyclictest9799-21apt-get00:37:120
21304991427,22cyclictest31343-21systemctl00:00:020
213049914139,19cyclictest21509-21runrttasks21:11:490
213049914054,11cyclictest101ktimersoftd/021:20:490
213049914052,11cyclictest101ktimersoftd/020:05:240
213049913754,10cyclictest101ktimersoftd/019:55:180
213049913753,10cyclictest101ktimersoftd/021:40:260
213049913552,10cyclictest101ktimersoftd/021:00:210
213049912728,31cyclictest101ktimersoftd/022:30:210
226122915,75sleep022615-21users21:15:490
215732914,74sleep00-21swapper/019:10:170
21304998936,37cyclictest0-21swapper/020:58:220
21304998649,25cyclictest101ktimersoftd/021:48:320
21304998635,33cyclictest19576-21aten_r7power_en21:05:130
21304998452,14cyclictest10150irq/55-4a10000020:45:280
21304998244,27cyclictest0-21swapper/019:20:220
2130499808,34cyclictest1276-21runrttasks23:54:420
21304997848,14cyclictest10150irq/55-4a10000023:05:240
21304997759,10cyclictest101ktimersoftd/023:40:250
21304997657,11cyclictest101ktimersoftd/022:05:320
21304997645,14cyclictest10150irq/55-4a10000022:50:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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