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2026-04-20 - 06:46
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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 Mon Apr 20, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25482224780,13sleep016505-1kworker/u3:219:03:140
263359910330,16cyclictest0-21swapper00:16:010
263359910318,63cyclictest19861-21ntp_states00:29:020
263359910217,45cyclictest16577-21users22:44:230
263359910217,24cyclictest26090-21fw_conntrack21:38:280
263359910117,63cyclictest21297-21df_inode00:33:250
263359910117,45cyclictest1130-21ssh21:59:330
263359910117,22cyclictest11348-21cat22:29:160
263359910116,44cyclictest7743-21memory23:53:490
263359910110,26cyclictest18613-21ssh00:25:030
263359910022,63cyclictest0-21swapper22:55:000
263359910015,63cyclictest20782-21apt-get22:57:520
263359910015,46cyclictest22530-21df21:28:150
263359910015,45cyclictest3016-21users23:39:180
263359910014,64cyclictest20260-21ssh21:21:420
263359910013,30cyclictest16762-21ssh00:19:230
26335999945,40cyclictest28193-21df_abs19:18:000
26335999932,50cyclictest0-21swapper00:10:410
26335999917,43cyclictest13237-21ssh22:34:510
26335999917,42cyclictest3215-21ssh22:06:160
26335999915,63cyclictest31699-21ntp_states23:29:000
26335999915,20cyclictest32474-21munin-run21:57:310
26335999818,45cyclictest16804-21ssh21:11:450
26335999816,61cyclictest29899-21memory23:23:490
26335999816,23cyclictest11607-21users00:04:230
26335999815,45cyclictest28121-21ssh23:18:440
26335999734,48cyclictest0-21swapper23:52:090
26335999718,57cyclictest6221-21munin-run20:17:290
26335999715,60cyclictest11778-21grep20:47:510
26335999715,56cyclictest27307-21kworker/u2:322:17:360
26335999715,22cyclictest29151-21apt-get21:47:550
26335999714,70cyclictest0-21swapper23:15:430
26335999714,65cyclictest21189-21ssh21:24:040
26335999714,23cyclictest24578-21fw_conntrack23:08:280
26335999711,24cyclictest18274-21ssh22:49:190
26335999616,59cyclictest31455-21munin-run19:37:290
26335999615,60cyclictest17467-21fw_conntrack21:13:320
26335999614,62cyclictest31626-21grep19:37:510
26335999614,61cyclictest13742-21df20:58:020
26335999612,22cyclictest23241-21wc23:04:070
26335999611,46cyclictest5208-21ssh22:12:350
26335999518,61cyclictest0-21swapper23:46:050
26335999516,67cyclictest0-21swapper21:35:400
26335999515,23cyclictest14358-21irqstats22:38:420
26335999514,43cyclictest9133-21fw_conntrack22:23:320
26335999514,42cyclictest27374-21munin-node19:12:360
26335999510,48cyclictest356-21ssh23:32:550
2633599948,65cyclictest10681-21grep20:38:360
26335999410,62cyclictest29021-21cron21:47:270
26335999314,45cyclictest8958-21apt-get23:57:570
26335999313,23cyclictest12828-21df20:52:590
26335999312,43cyclictest3395-21sort19:58:330
26335999215,56cyclictest14431-21apt-get21:02:450
26335999118,24cyclictest4993-21ntp_states20:08:260
26335999113,21cyclictest29205-21irqstats19:23:130
26335999112,59cyclictest2260-21ntpq19:53:240
26335999112,22cyclictest1707-21modprobe19:52:290
26335999013,25cyclictest8123-21apt-get20:27:490
26335999012,56cyclictest3645-21aten_r5power_cu20:02:490
26335999012,25cyclictest10945-21aten_r5power_vo20:42:530
26335998936,38cyclictest7448-21if_err_eth022:18:380
26335998917,24cyclictest27419-21munin-node19:12:380
26335998917,23cyclictest9359-21irqstats20:33:150
26335998912,20cyclictest7316-21wget20:22:530
26335998817,22cyclictest6739-21memory20:18:210
26335998810,27cyclictest30504-21grep19:28:380
26335998710,20cyclictest32464-21/usr/sbin/munin19:43:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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