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2026-05-07 - 05:08
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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 07, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16117224950,11sleep015223-1kworker/u3:119:02:360
167689916619,48cyclictest30208-21apt-get23:52:030
167689916439,33cyclictest11612-21ssh21:23:110
167689916342,24cyclictest12703-21sh00:34:380
167689916233,34cyclictest1896-21users22:28:320
167689916231,35cyclictest6756-21ssh22:43:120
167689916217,19cyclictest9045-21users00:23:320
167689916214,63cyclictest2671-21apt-get22:32:050
167689916134,38cyclictest30555-21ntp_kernel_pll_22:18:050
167689916133,30cyclictest0-21swapper22:05:250
167689916116,46cyclictest1734-21memory00:02:580
167689916116,44cyclictest4851-21irqstats22:37:510
167689916113,45cyclictest13007-21apt-get23:02:080
167689916033,30cyclictest0-21swapper23:33:580
167689916019,26cyclictest23422-21df_inode21:57:360
167689916018,23cyclictest9808-21apt-get00:27:000
167689915918,22cyclictest3468-21memory00:08:030
167689915913,63cyclictest28773-21ssh23:47:250
167689915913,57cyclictest32212-21memory22:22:580
167689915911,63cyclictest9477-21latency_hist22:51:460
16768991579,23cyclictest16921-21grep19:07:020
167689915744,22cyclictest8946-21sh21:15:460
167689915715,26cyclictest17125-21users21:38:340
167689915714,58cyclictest22198-21ntpq23:28:060
167689915712,55cyclictest11288-21apt-get22:57:010
167689915712,25cyclictest15740-21ssh23:08:500
167689915616,46cyclictest13047-21df_inode21:27:300
167689915614,55cyclictest5577-21users00:13:260
16768991558,61cyclictest5677-21munin-run21:06:410
167689915518,24cyclictest32323-21fw_conntrack23:57:430
167689915514,22cyclictest22339-21irqstats19:37:250
167689915513,24cyclictest21829-21ssh21:52:580
167689915511,47cyclictest6059-21sh21:07:220
167689915416,26cyclictest18310-21/usr/sbin/munin23:17:140
167689915415,51cyclictest29794-21/usr/sbin/munin20:17:440
167689915413,56cyclictest26995-21ssh22:07:560
167689915328,19cyclictest14968-21memory21:32:580
167689915318,25cyclictest9808-21memory21:17:590
167689915318,22cyclictest28696-21memory20:12:340
167689915316,23cyclictest10004-21irqstats22:52:510
167689915315,50cyclictest19300-21/usr/sbin/munin19:22:290
167689915218,22cyclictest27221-21irqstats23:42:480
167689915217,50cyclictest27385-21/usr/sbin/munin20:07:280
167689915215,55cyclictest18832-21uptime21:43:260
167689915215,46cyclictest25086-21ssh23:37:030
167689915214,23cyclictest26499-21apt20:01:520
167689915211,22cyclictest2158-21/usr/sbin/munin20:47:450
167689915120,22cyclictest24125-21irqstats19:47:220
167689915118,45cyclictest7014-21ntp_states00:18:130
167689915114,48cyclictest19905-21apt-get23:22:100
167689915114,48cyclictest17381-21users23:13:310
167689915113,27cyclictest21019-21sh21:50:470
167689915111,23cyclictest1938-21sort20:42:480
167689915020,40cyclictest32187-21fw_conntrack20:32:210
167689915016,22cyclictest3465-21memory20:52:300
167689915011,52cyclictest22930-21wget19:42:010
167689914920,42cyclictest31802-21munin-run20:31:420
167689914917,41cyclictest30381-21df_inode20:22:170
167689914915,19cyclictest616-21df_inode20:37:140
167689914914,48cyclictest28804-21ssh22:13:060
167689914815,21cyclictest25890-21fw_conntrack19:57:190
167689914714,21cyclictest19206-21munin-run19:21:420
167689914620,18cyclictest0-21swapper19:11:510
167689914517,22cyclictest21089-21apt-get19:31:550
167689914316,18cyclictest25094-21memory19:52:310
16768999423,48cyclictest3972-21/usr/sbin/munin20:57:550
16768999136,21cyclictest20578-21latency19:27:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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