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2025-12-08 - 16:10
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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 Mon Dec 08, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27619230837,224sleep027620-21/usr/sbin/munin07:05:130
288059910649,41cyclictest101ktimersoftd/012:35:180
288059910236,50cyclictest10250irq/56-4a10000009:25:170
288059910040,40cyclictest802-21dbus-daemon09:25:010
28805999955,29cyclictest101ktimersoftd/009:55:140
28805999834,34cyclictest10250irq/56-4a10000011:19:040
28805999810,33cyclictest9984-21chrt12:16:180
28805999734,29cyclictest10250irq/56-4a10000009:10:140
297222966,12sleep028753-21apt-get11:26:140
28805999671,11cyclictest101ktimersoftd/010:50:420
28805999652,14cyclictest101ktimersoftd/007:52:140
2880599957,35cyclictest31293-21apt-get07:18:160
28805999352,27cyclictest101ktimersoftd/011:40:240
28805999343,34cyclictest10250irq/56-4a10000009:06:270
28805999341,34cyclictest11043-21sshd10:13:110
28805999148,29cyclictest101ktimersoftd/008:10:470
28805999041,16cyclictest10250irq/56-4a10000007:20:550
28805998932,44cyclictest0-21swapper/012:09:160
28805998913,36cyclictest17830-21users08:30:570
28805998858,13cyclictest101ktimersoftd/008:17:090
28805998847,26cyclictest101ktimersoftd/009:40:200
28805998832,23cyclictest760-21systemd-journal07:40:000
28805998816,54cyclictest1356-21snmpd09:35:370
2880599879,38cyclictest6731-21munin-run07:50:040
28805998762,10cyclictest101ktimersoftd/011:45:220
28805998743,28cyclictest101ktimersoftd/012:10:440
28805998728,47cyclictest10250irq/56-4a10000011:01:420
28805998648,27cyclictest0-21swapper/007:55:220
28805998638,35cyclictest0-21swapper/009:01:400
28805998636,34cyclictest188712chrt10:45:060
28805998635,16cyclictest4739-21ntpq07:40:370
28805998548,24cyclictest101ktimersoftd/010:55:520
28805998542,34cyclictest10884-21latency_hist08:05:030
28805998457,13cyclictest101ktimersoftd/010:17:120
28805998447,25cyclictest0-21swapper/012:20:240
28805998446,25cyclictest3650irq/20-4900000010:35:310
28805998433,16cyclictest10250irq/56-4a10000011:06:560
28805998421,49cyclictest1356-21snmpd08:43:310
28805998417,33cyclictest792-21haveged10:05:040
28805998336,32cyclictest10250irq/56-4a10000010:26:390
28805998328,35cyclictest5962-21latency_hist09:55:050
28805998240,28cyclictest3650irq/20-4900000010:20:240
28805998230,33cyclictest4369-21hostname11:55:320
28805998219,53cyclictest0-21swapper/008:24:140
28805998218,29cyclictest792-21haveged10:45:040
2880599817,56cyclictest9004-21aten_r7power_vo10:05:160
28805998153,20cyclictest13031-21latency_hist12:30:050
28805998152,20cyclictest1983-21runrttasks07:30:170
28805998151,14cyclictest10150irq/55-4a10000008:49:340
28805998140,10cyclictest101ktimersoftd/008:25:210
28805998058,12cyclictest101ktimersoftd/009:17:080
28805998058,11cyclictest101ktimersoftd/008:35:460
28805998035,31cyclictest101ktimersoftd/012:00:270
28805998032,14cyclictest10250irq/56-4a10000011:37:010
28805997953,11cyclictest101ktimersoftd/007:25:200
28805997939,32cyclictest10250irq/56-4a10000011:53:120
28805997917,31cyclictest792-21haveged12:35:030
28805997915,48cyclictest0-21swapper/008:58:400
28805997910,33cyclictest30021-21/usr/sbin/munin07:15:040
258312794,7sleep00-21swapper/011:11:400
28805997849,17cyclictest30512-21/usr/sbin/munin11:30:130
28805997824,18cyclictest1424-21nginx09:45:230
28805997758,9cyclictest101ktimersoftd/008:08:230
28805997657,12cyclictest101ktimersoftd/009:30:130
28805997650,17cyclictest28750-21cron11:25:010
28805997630,32cyclictest101ktimersoftd/010:30:390
28805997522,20cyclictest800-21avahi-daemon08:51:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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