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2026-05-21 - 05:10
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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 Wed May 20, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1190028570,11sleep011899-21/usr/sbin/munin07:05:330
125589917429,18cyclictest1408-21nginx09:43:400
125589917239,117cyclictest11350-21sshd11:20:110
125589917054,11cyclictest101ktimersoftd/009:50:280
125589916636,25cyclictest3650irq/20-4900000012:22:110
125589916532,29cyclictest10250irq/56-4a10000010:28:480
12558991638,22cyclictest25359-21apt-get08:02:160
125589916348,13cyclictest10150irq/55-4a10000008:17:090
125589916240,18cyclictest21413-21sshd07:43:100
125589916121,18cyclictest10016-21wget11:15:110
125589916110,23cyclictest22082-21sshd09:55:100
125589916044,12cyclictest10150irq/55-4a10000009:35:190
125589916035,25cyclictest4892-21fw_conntrack08:45:260
125589915944,99cyclictest20490-21sort07:40:060
125589915842,16cyclictest10250irq/56-4a10000007:21:210
125589915747,16cyclictest10150irq/55-4a10000008:25:400
125589915732,28cyclictest3650irq/20-4900000010:15:150
12558991568,27cyclictest21964-21diskstats07:45:220
125589915525,22cyclictest1305-21snmpd08:06:100
125589915440,18cyclictest14136-21runrttasks09:21:510
125589915440,12cyclictest10150irq/55-4a10000008:21:350
125589915344,12cyclictest101ktimersoftd/011:45:210
125589915338,22cyclictest801-21dbus-daemon07:55:450
125589915338,15cyclictest29777-21apt-get12:30:040
125589915329,24cyclictest0-21swapper/011:52:240
125589915244,13cyclictest10150irq/55-4a10000012:10:250
125589915234,23cyclictest16605-21ntpq11:40:430
125589915140,16cyclictest13045-21basename11:25:430
125589915120,27cyclictest5033-21aten_r7power_en10:55:150
125589915042,14cyclictest10150irq/55-4a10000008:10:220
125589915027,28cyclictest13761-21sh07:15:010
125589915026,30cyclictest32430-21seq10:35:100
125589914945,15cyclictest10150irq/55-4a10000009:30:360
125589914942,13cyclictest10150irq/55-4a10000007:25:200
125589914841,18cyclictest20499-21runrttasks09:48:090
125589914838,17cyclictest29228-21sendmail_mailqu10:20:440
125589914837,16cyclictest15145-21cpuspeed11:35:220
125589914736,22cyclictest25426-21sshd10:06:120
125589914653,85cyclictest26263-21aten_r7power_en10:10:130
125589914634,22cyclictest801-21dbus-daemon12:00:000
12558991457,26cyclictest5903-21/usr/sbin/munin08:50:120
125589914555,11cyclictest101ktimersoftd/011:05:220
125589914547,14cyclictest23738-21uname10:00:400
125589914546,15cyclictest30621-21seq12:30:560
125589914543,14cyclictest10150irq/55-4a10000008:55:120
125589914541,14cyclictest10150irq/55-4a10000007:50:370
125589914540,17cyclictest23407-21runrttasks12:08:490
125589914539,19cyclictest17997-21latency_hist07:30:030
125589914536,20cyclictest754-21systemd-journal11:13:110
12558991449,34cyclictest31192-21/usr/sbin/munin10:30:360
125589914440,18cyclictest2858-21runrttasks08:36:260
125589914440,13cyclictest10150irq/55-4a10000011:00:170
125589914439,18cyclictest14952chrt10:40:240
125589914437,17cyclictest21376-21cpuspeed12:00:140
125589914419,17cyclictest4495-21runrttasks08:44:390
125589914346,14cyclictest14431-21cat07:15:450
125589914339,17cyclictest4402-21runrttasks10:51:030
125589914241,17cyclictest13719-21aten_r7power_cu11:30:080
125589914238,16cyclictest15797-21latency_hist09:30:020
125589914237,17cyclictest12872-21seq09:16:560
125589914236,19cyclictest26266-21runrttasks12:18:270
125589914037,20cyclictest32728-21latency_hist12:40:090
125589914036,19cyclictest11484-21runrttasks09:10:490
125589913949,12cyclictest101ktimersoftd/009:00:280
125589913943,11cyclictest101ktimersoftd/009:05:360
125589913851,12cyclictest101ktimersoftd/008:30:300
125589913542,14cyclictest3050-21mailstats10:45:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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