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2026-05-23 - 20:56
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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 all highest latencies:
System rack5slot7.osadl.org (updated Sat May 23, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26803224392200,89sleep00-21swapper07:02:210
272279910318,65cyclictest24877-21apt-get09:31:160
272279910317,23cyclictest15277-21df12:11:360
272279910315,24cyclictest20369-21ssh12:26:320
272279910217,23cyclictest5172-21irqstats11:42:020
272279910127,55cyclictest0-21swapper11:00:160
272279910117,45cyclictest23037-21munin-run09:25:550
272279910114,67cyclictest17088-21df_abs12:16:430
272279910036,31cyclictest29504-21grep11:17:400
272279910032,50cyclictest0-21swapper09:57:110
272279910018,59cyclictest6811-21fw_conntrack11:46:570
272279910017,44cyclictest11589-21apt-get12:01:130
272279910016,63cyclictest8533-21fw_conntrack11:51:570
272279910013,48cyclictest28595-21snmpd09:26:180
27227999918,60cyclictest10224-21df_inode11:56:470
27227999917,61cyclictest18254-21apt-get10:46:140
27227999916,60cyclictest30746-21/usr/sbin/munin11:22:040
27227999916,23cyclictest23476-21/usr/sbin/munin12:35:590
27227999915,22cyclictest6551-21df_inode10:11:460
27227999914,47cyclictest12124-21sshd10:27:330
27227999910,26cyclictest4552-21grep08:01:180
27227999824,55cyclictest0-21swapper09:19:570
27227999819,37cyclictest1808-21memory11:32:150
27227999818,60cyclictest8334-21fw_conntrack10:16:580
27227999817,42cyclictest3508-21munin-run07:55:540
27227999816,44cyclictest17088-21memory10:42:180
27227999815,23cyclictest3276-21df11:36:380
27227999814,45cyclictest24998-21munin-run11:05:550
27227999814,24cyclictest20073-21cut10:51:270
27227999811,66cyclictest19050-21ssh09:13:200
27227999745,36cyclictest13174-21sh10:31:250
27227999724,55cyclictest0-21swapper08:21:510
27227999716,62cyclictest13561-21df12:06:370
27227999714,47cyclictest1803-21apt-get07:46:140
27227999714,24cyclictest15580-21/usr/sbin/munin10:37:320
27227999713,47cyclictest28126-21munin-run07:10:580
27227999710,65cyclictest25223-21basename11:06:260
27227999636,42cyclictest0-21swapper08:51:530
27227999632,49cyclictest0-21swapper09:42:550
27227999616,42cyclictest18735-21df12:21:390
27227999615,20cyclictest4865-21fw_conntrack10:06:530
27227999614,63cyclictest30049-21/usr/sbin/munin09:47:320
27227999614,44cyclictest3130-21df_inode10:01:470
27227999614,23cyclictest17210-21users09:07:510
27227999610,64cyclictest6272-21wc08:10:570
27227999516,20cyclictest11260-21ssh10:25:560
27227999515,43cyclictest28751-21munin-run07:15:540
27227999515,21cyclictest28864-21/usr/sbin/munin07:16:490
27227999514,43cyclictest907-21munin-run09:55:590
27227999510,66cyclictest616-21ssh11:28:220
27227999425,60cyclictest0-21swapper09:38:080
27227999414,61cyclictest12204-21ntp_states08:41:510
27227999412,64cyclictest27183-21df_inode11:11:480
27227999412,43cyclictest32189-21sshd07:31:590
27227999314,39cyclictest7441-21df08:16:240
27227999219,24cyclictest1703-21munin-run07:45:540
27227999218,24cyclictest11235-21memory08:36:460
27227999211,62cyclictest28595-21snmpd07:26:160
27227999017,25cyclictest30053-21fw_conntrack07:21:330
27227999017,23cyclictest10207-21fw_conntrack08:31:350
27227999014,57cyclictest28595-21snmpd08:11:170
27227998910,57cyclictest15309-21grep09:00:580
2722799889,59cyclictest13200-21sendmail_mailqu08:46:550
27227998717,28cyclictest15601-21df_inode09:01:300
27227998717,23cyclictest3830-21df07:56:240
27227998615,24cyclictest32674-21df07:36:250
27227998613,24cyclictest9036-21aten_r5power_cu08:26:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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