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2026-05-14 - 05:56
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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 the 792 highest latencies:
System rack5slot7.osadl.org (updated Thu May 14, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14473224032194,158sleep00-21swapper19:03:000
148819910713,43cyclictest700-21apt-get22:31:420
148819910323,61cyclictest0-21swapper22:11:020
148819910222,62cyclictest0-21swapper21:29:460
148819910211,28cyclictest25160-21ssh23:42:210
148819910115,65cyclictest4977-21ntp_states00:17:500
148819910114,66cyclictest7593-21apt-get22:51:420
148819910113,66cyclictest25361-21grep20:02:260
148819910112,68cyclictest31478-21ssh22:26:450
148819910033,51cyclictest0-21swapper00:04:050
148819910016,64cyclictest26726-21irqstats22:12:310
148819910016,62cyclictest23601-21memory23:37:430
148819910016,22cyclictest14843-21fw_conntrack23:12:260
148819910015,63cyclictest3067-21irqstats00:12:310
148819910014,25cyclictest29144-21users23:53:150
14881999918,41cyclictest10266-21users22:58:130
14881999916,35cyclictest6456-21fw_conntrack00:22:230
14881999916,21cyclictest14635-21fw_conntrack21:37:220
14881999911,67cyclictest31380-21ssh22:26:270
14881999911,26cyclictest5163-21ssh22:43:230
14881999817,43cyclictest17948-21df21:47:030
14881999817,40cyclictest9088-21apt-get21:21:410
14881999816,22cyclictest28551-21memory22:17:390
14881999816,21cyclictest8715-21users00:28:080
14881999816,21cyclictest23916-21ssh22:03:430
14881999815,21cyclictest21580-21irqstats21:57:290
14881999814,62cyclictest6568-21users21:13:090
14881999814,24cyclictest9958-21/usr/sbin/munin00:32:340
14881999813,65cyclictest1146-21df00:07:020
14881999812,25cyclictest18866-21ssh23:23:150
14881999812,24cyclictest16283-21cut23:16:560
14881999810,25cyclictest13051-21memory21:32:410
14881999729,50cyclictest0-21swapper21:54:100
14881999718,20cyclictest16401-21munin-run19:16:220
14881999715,60cyclictest17664-21latency_hist21:46:280
14881999618,58cyclictest20002-21fw_conntrack23:27:250
14881999616,43cyclictest15922-21munin-node19:11:280
14881999616,23cyclictest11373-21df_inode23:02:120
14881999615,61cyclictest28078-21munin-run23:51:210
14881999614,24cyclictest3992-21ssh22:41:070
1488199959,38cyclictest17299-21sshd19:21:040
14881999524,54cyclictest0-21swapper21:09:510
14881999512,46cyclictest8604-21ssh21:19:330
14881999435,41cyclictest0-21swapper19:52:070
14881999415,19cyclictest21606-21df23:32:110
14881999413,45cyclictest17673-21sed19:21:530
14881999411,63cyclictest31138-21ssh23:59:290
1488199939,62cyclictest28097-21sshd20:18:030
1488199938,47cyclictest24325-21cat19:57:230
14881999314,60cyclictest12836-21cut23:06:540
14881999310,44cyclictest5873-21apt-get22:46:480
14881999211,60cyclictest31826-21aten_r5power_cu20:41:420
14881999118,22cyclictest29913-21munin-run20:31:220
14881999113,59cyclictest31034-21cut20:36:450
14881999020,48cyclictest20402-21fw_conntrack19:36:590
14881999012,21cyclictest26116-21sort20:07:230
14881998916,35cyclictest1588-21sort20:52:120
14881998819,28cyclictest21899-21/usr/sbin/munin19:47:310
14881998816,56cyclictest0-21swapper21:01:560
14881998812,27cyclictest2493-21cat20:57:130
14881998812,20cyclictest21223-21df19:41:520
14881998719,21cyclictest18571-21df_inode19:26:540
14881998718,54cyclictest0-21swapper20:21:400
14881998715,20cyclictest577-21irqstats20:47:030
14881998714,54cyclictest30418-21missed_timers20:32:130
14881998618,23cyclictest26739-21irqstats20:12:060
14881998615,23cyclictest19490-21fw_conntrack19:31:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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