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2026-06-21 - 12:05
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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 21, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30860224472206,90sleep00-21swapper19:01:550
311849910619,65cyclictest28700-21munin-run21:29:350
311849910618,68cyclictest9079-21irqstats23:40:430
311849910418,23cyclictest6788-21munin-run23:34:330
311849910313,23cyclictest442-21ntp_states21:41:040
311849910312,68cyclictest15878-21ssh00:00:300
311849910217,64cyclictest30757-21apt-get23:09:510
311849910214,51cyclictest13107-21ssh23:51:540
311849910214,28cyclictest23690-21ssh21:14:500
311849910117,24cyclictest22859-21users21:11:180
311849910116,43cyclictest18476-21ssh00:07:590
311849910116,23cyclictest26556-21users22:56:210
311849910115,67cyclictest2405-21ssh23:21:060
311849910026,41cyclictest0-21swapper21:51:060
311849910016,64cyclictest5000-21apt-get21:54:520
311849910016,63cyclictest14057-21df23:55:180
311849910015,35cyclictest22548-21fw_conntrack22:45:310
31184999919,42cyclictest25016-21users00:26:240
31184999917,60cyclictest3773-21/usr/sbin/munin19:30:390
31184999917,45cyclictest17280-21df22:30:140
31184999916,46cyclictest30045-21ssh21:32:450
31184999916,45cyclictest11281-21users23:46:210
31184999916,22cyclictest19444-21memory00:10:510
31184999915,45cyclictest377-21df_inode23:15:250
31184999914,23cyclictest4053-21/usr/sbin/munin23:25:580
31184999912,25cyclictest31110-21sshd21:35:560
31184999910,70cyclictest30632-21munin-plugin-st23:09:320
31184999815,46cyclictest32706-21munin-run19:14:330
31184999814,64cyclictest18832-21aten_r5power_en22:35:040
31184999814,22cyclictest2684-21ssh21:47:180
31184999813,23cyclictest26618-21ssh21:22:460
31184999812,64cyclictest13596-21apt-get22:20:000
31184999812,23cyclictest7922-21ssh23:36:370
31184999811,26cyclictest12572-21ssh22:16:090
31184999811,24cyclictest22824-21ssh00:20:480
31184999734,17cyclictest0-21swapper22:08:100
31184999728,51cyclictest0-21swapper19:50:540
31184999717,43cyclictest21808-21munin-run21:09:350
31184999717,39cyclictest27377-21munin-run00:34:340
31184999715,62cyclictest7093-21fw_conntrack22:00:340
31184999715,60cyclictest20733-21df22:40:160
31184999714,23cyclictest10210-21wc20:09:350
31184999712,64cyclictest15442-21cut22:25:080
31184999712,25cyclictest28595-21snmpd00:17:300
31184999632,20cyclictest10137-21apt-get22:09:540
31184999626,55cyclictest0-21swapper22:54:100
31184999626,53cyclictest15936-21df20:40:050
31184999614,62cyclictest27672-21df_inode23:00:210
31184999610,65cyclictest8391-21sort19:59:350
31184999514,22cyclictest28595-21snmpd20:47:540
31184999513,21cyclictest4876-21/usr/sbin/munin19:40:450
31184999438,24cyclictest11073-21sendmail20:14:320
31184999415,59cyclictest14669-21munin-run20:34:330
31184999213,34cyclictest1797-21ps19:20:340
31184999210,64cyclictest12011-21cat20:19:350
31184999118,24cyclictest18266-21munin-run20:54:340
31184999111,23cyclictest8485-21basename19:59:510
31184999018,24cyclictest691-21irqstats19:15:150
31184999013,47cyclictest0-21swapper19:24:590
31184999011,29cyclictest19228-21ls20:59:350
3118499899,44cyclictest15409-21grep20:35:480
31184998917,24cyclictest4320-21irqstats19:35:230
31184998916,23cyclictest6056-21fw_conntrack19:45:180
31184998817,22cyclictest13242-21df_inode20:25:030
31184998713,26cyclictest12466-21/usr/sbin/munin20:20:200
31184998711,54cyclictest31776-21open_files19:05:320
31184998612,53cyclictest19364-21cut20:59:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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