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2026-06-22 - 09:04
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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 Mon Jun 22, 2026 00:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17088224292191,88sleep00-21swapper19:01:320
174489910418,65cyclictest14526-21fw_conntrack21:25:310
174489910220,39cyclictest14266-21munin-run22:59:310
174489910219,63cyclictest17467-21ssh23:08:230
174489910217,46cyclictest19664-21df_inode21:40:240
174489910217,22cyclictest9599-21df_inode22:45:330
174489910216,54cyclictest0-21swapper21:07:130
174489910133,46cyclictest8175-21rm22:41:040
174489910117,61cyclictest24921-21irqstats21:55:410
174489910117,43cyclictest21467-21irqstats21:45:390
174489910115,65cyclictest3234-21ssh00:01:070
174489910112,49cyclictest2363-21ssh22:24:470
174489910110,27cyclictest6452-21ssh00:10:420
174489910017,45cyclictest18538-21users21:36:210
174489910013,65cyclictest8495-21ssh00:16:090
17448999917,62cyclictest32110-21memory23:50:530
17448999917,62cyclictest23334-21ssh23:25:250
17448999916,46cyclictest14023-21munin-run21:24:290
17448999915,25cyclictest9667-21/usr/sbin/munin00:20:080
17448999915,24cyclictest31355-21apt-get22:14:530
17448999913,49cyclictest14383-21/usr/sbin/munin23:00:550
17448999910,26cyclictest10446-21ssh21:13:540
1744899988,27cyclictest28595-21snmpd23:19:180
17448999817,22cyclictest24955-21df23:30:110
17448999816,62cyclictest7116-21/usr/sbin/munin21:04:330
17448999816,61cyclictest6320-21memory22:35:460
17448999814,47cyclictest16993-21ssh21:32:150
17448999814,23cyclictest27778-21munin-run22:04:290
17448999813,64cyclictest29970-21grep23:45:020
17448999813,50cyclictest28365-21ssh23:40:080
17448999811,25cyclictest18953-21ssh23:12:120
17448999811,24cyclictest1492-21ssh23:56:070
17448999713,47cyclictest11198-21df22:50:120
17448999713,25cyclictest4276-21/usr/sbin/munin00:05:170
17448999616,20cyclictest11683-21memory00:25:510
17448999615,43cyclictest30164-21memory22:10:520
17448999614,62cyclictest28158-21df22:05:110
17448999613,44cyclictest21653-21fw_conntrack23:20:330
17448999515,21cyclictest5299-21munin-run20:54:300
17448999514,62cyclictest769-21cpu22:20:050
17448999514,62cyclictest12854-21/usr/sbin/munin00:29:590
17448999514,20cyclictest23082-21df_inode21:50:220
17448999513,46cyclictest23338-21munin-run19:34:300
17448999510,25cyclictest4705-21ssh22:31:050
1744899949,46cyclictest5786-21grep20:55:150
17448999427,50cyclictest0-21swapper21:17:250
17448999411,62cyclictest18346-21/usr/sbin/munin19:09:320
17448999411,25cyclictest32533-21aten_r5power_po20:24:540
17448999312,59cyclictest18646-21grep19:09:440
1744899929,38cyclictest25424-21wc19:44:570
17448999214,42cyclictest26801-21fw_conntrack23:35:290
17448999112,60cyclictest20261-21memory19:15:200
17448999110,24cyclictest29766-21cut20:09:490
17448999019,50cyclictest26137-21apt-get19:49:460
17448999019,27cyclictest24623-21df_inode19:40:060
17448999017,23cyclictest2223-21memory20:35:160
17448999012,59cyclictest875-21/usr/sbin/munin20:29:570
17448999010,23cyclictest28060-21wget19:59:540
17448998926,45cyclictest0-21swapper20:40:000
17448998917,22cyclictest31134-21ntp_states20:15:250
17448998816,24cyclictest28595-21snmpd19:56:450
17448998816,23cyclictest23722-21df_inode19:35:030
17448998812,29cyclictest28595-21snmpd20:06:510
17448998810,23cyclictest28595-21snmpd20:44:560
17448998718,24cyclictest31558-21apt-get20:19:470
17448998716,22cyclictest21910-21df_inode19:25:020
17448998518,22cyclictest21044-21fw_conntrack19:20:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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