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2026-04-14 - 22:08
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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 50 highest latencies:
System rack7slot8.osadl.org (updated Tue Apr 14, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13357220626,53sleep00-21swapper/019:05:100
145509917445,17cyclictest10250irq/56-4a10000021:20:130
145509917234,30cyclictest10250irq/56-4a10000000:30:140
145509916843,105cyclictest3650irq/20-4900000020:27:100
145509916644,13cyclictest3650irq/20-4900000021:40:290
145509916439,21cyclictest23949-21diskstats19:45:210
145509916348,13cyclictest10150irq/55-4a10000020:05:360
145509916231,29cyclictest10250irq/56-4a10000022:00:170
145509916043,17cyclictest10250irq/56-4a10000022:50:170
145509916032,25cyclictest0-21swapper/022:13:180
145509915841,14cyclictest10150irq/55-4a10000023:15:450
145509915838,19cyclictest24388-21runrttasks21:55:310
145509915748,13cyclictest10150irq/55-4a10000021:10:320
145509915651,13cyclictest10150irq/55-4a10000000:21:070
145509915638,23cyclictest25614-21ntpq00:05:370
145509915553,17cyclictest26318-21aten_r7power_vo19:55:140
145509915539,19cyclictest18999-21ntpq23:40:390
145509915525,28cyclictest1408-21nginx22:17:580
145509915448,13cyclictest10150irq/55-4a10000020:15:300
145509915446,18cyclictest27752-21runrttasks00:15:110
145509915351,14cyclictest10150irq/55-4a10000020:42:570
145509915335,24cyclictest801-21dbus-daemon00:26:230
14550991519,29cyclictest787-21haveged21:10:040
14550991518,39cyclictest2010-21node19:16:150
145509915046,13cyclictest10150irq/55-4a10000020:50:410
14550991496,17cyclictest9467-21runrttasks23:02:300
145509914950,17cyclictest514-21mailstats22:26:320
145509914949,16cyclictest3007-21/usr/sbin/munin22:35:490
145509914946,13cyclictest10150irq/55-4a10000020:35:240
145509914944,17cyclictest20210-21runrttasks23:45:370
145509914940,21cyclictest14438-21runrttasks23:22:190
145509914940,17cyclictest17866-21runrttasks23:35:470
145509914848,13cyclictest10150irq/55-4a10000021:30:170
145509914841,18cyclictest17380-21runrttasks21:26:560
145509914838,27cyclictest3650irq/20-4900000019:10:380
145509914745,17cyclictest21350-21wget23:50:150
145509914646,16cyclictest22363-21cron19:40:000
145509914641,18cyclictest19403-21runrttasks19:29:120
145509914641,13cyclictest10150irq/55-4a10000021:35:170
145509914640,18cyclictest3772-21runrttasks20:32:480
145509914542,17cyclictest26758-21runrttasks00:10:270
145509914541,16cyclictest10787-21runrttasks21:00:410
145509914540,19cyclictest11629-21sendmail_mailqu23:10:410
145509914447,15cyclictest31884-21wc22:25:060
145509914439,17cyclictest23082-21runrttasks23:55:360
145509914436,24cyclictest27193-21fw_conntrack22:05:240
145509914411,113cyclictest0-21swapper/020:58:010
145509914343,17cyclictest25120-21sshd00:04:580
145509914335,21cyclictest15648-21runrttasks23:27:020
145509914323,33cyclictest22876-21ntpq19:40:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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