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2026-06-28 - 07:57
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 376 highest latencies:
System rack5slot7.osadl.org (updated Sun Jun 28, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26050224112190,169sleep00-21swapper18:59:420
271239911118,25cyclictest24261-21users23:01:020
271239910416,23cyclictest2677-21apt-get21:59:340
271239910415,68cyclictest22249-21irqstats00:30:210
271239910117,63cyclictest19873-21apt-get22:49:330
271239910116,23cyclictest5759-21ssh23:41:530
271239910112,65cyclictest14250-21ssh00:06:280
271239910033,49cyclictest0-21swapper22:32:140
271239910020,41cyclictest23578-21memory21:25:290
271239910017,61cyclictest18049-21latency_hist22:44:150
271239910016,22cyclictest10175-21fw_conntrack23:55:120
271239910012,67cyclictest22738-21ssh22:56:560
2712399999,68cyclictest16751-21rm00:14:430
27123999919,58cyclictest32245-21munin-run19:34:130
27123999917,63cyclictest28487-21apt-get23:14:380
27123999917,41cyclictest11798-21memory22:25:310
27123999915,26cyclictest4916-21memory22:05:300
27123999914,65cyclictest28604-21fw_conntrack21:40:090
27123999914,55cyclictest0-21swapper21:51:490
27123999913,66cyclictest2910-21/usr/sbin/munin23:35:540
27123999912,66cyclictest27935-21unixbench_singl19:05:180
27123999912,66cyclictest19283-21sed00:20:560
27123999912,65cyclictest6764-21/usr/sbin/munin22:10:440
27123999842,42cyclictest10314-21open_files20:30:080
27123999817,61cyclictest25473-21irqstats23:05:210
27123999816,46cyclictest25126-21df_inode21:30:080
27123999816,45cyclictest9903-21df_inode22:20:040
27123999816,44cyclictest11951-21irqstats00:00:230
27123999813,65cyclictest16651-21cut00:14:200
27123999734,22cyclictest28595-21snmpd20:49:210
27123999720,55cyclictest12925-21memory20:45:010
27123999716,21cyclictest6879-21memory23:45:350
27123999715,61cyclictest15066-21df_inode22:35:030
27123999715,25cyclictest20156-21memory21:15:300
27123999714,45cyclictest7976-21wc20:19:140
27123999714,42cyclictest26503-21/usr/sbin/munin21:34:440
27123999714,23cyclictest27761-21ssh23:11:160
27123999634,44cyclictest0-21swapper23:20:270
27123999617,59cyclictest18428-21df22:44:580
27123999616,59cyclictest16425-21df21:04:590
27123999614,62cyclictest32184-21df23:24:570
27123999613,62cyclictest1634-21grep21:55:470
27123999613,21cyclictest8442-21fw_conntrack23:50:130
27123999611,64cyclictest9445-21ssh22:19:120
27123999518,17cyclictest20361-21df00:24:580
27123999432,46cyclictest0-21swapper20:10:070
27123999415,61cyclictest0-21swapper20:59:120
27123999415,43cyclictest21731-21fw_conntrack21:20:140
27123999413,21cyclictest1450-21df23:29:560
27123999412,64cyclictest4626-21df19:59:410
27123999411,63cyclictest11972-21uname20:39:590
27123999410,64cyclictest8951-21/usr/sbin/munin20:24:320
27123999319,21cyclictest29944-21apt-get21:44:380
27123999213,43cyclictest18819-21users21:11:030
27123999211,26cyclictest16027-21modprobe21:04:110
27123999119,23cyclictest2880-21df_inode19:49:500
27123999112,60cyclictest29492-21head19:15:180
27123999110,60cyclictest11473-21sed20:35:190
27123999013,26cyclictest30129-21/usr/sbin/munin19:20:080
27123998819,23cyclictest30836-21fw_conntrack19:24:470
27123998817,23cyclictest5576-21df_inode20:04:450
27123998711,22cyclictest1693-21/usr/sbin/munin19:44:520
27123998634,39cyclictest3564-21/usr/sbin/munin19:54:310
27123998615,56cyclictest0-21swapper20:20:010
27123998611,25cyclictest529-21grep19:35:150
27123998514,23cyclictest1598-21munin-run19:44:110
27123998414,23cyclictest28553-21munin-node19:09:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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