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2026-06-13 - 07:05
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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 Sat Jun 13, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
997224070,14sleep029903-1kworker/u3:019:00:230
20809910420,47cyclictest29041-21df_inode21:20:460
20809910417,24cyclictest29065-21df00:30:360
20809910315,48cyclictest32193-21apt-get23:05:200
20809910217,44cyclictest23999-21irqstats21:06:100
20809910215,47cyclictest24162-21kernelversion00:16:090
20809910215,25cyclictest12173-21irqstats23:41:070
20809910130,54cyclictest32265-21aten_r5power_vo21:30:300
20809910118,63cyclictest30775-21df23:00:410
20809910117,62cyclictest27443-21/usr/sbin/munin22:50:530
20809910115,48cyclictest26707-21ssh21:14:120
20809910114,67cyclictest3202-21apt-get23:15:050
20809910111,27cyclictest13534-21ssh23:45:290
20809910029,62cyclictest0-21swapper21:53:240
20809910017,46cyclictest8662-21df_inode23:30:510
20809910017,45cyclictest18914-21df_inode00:00:530
20809910017,22cyclictest5094-21df21:45:410
20809910016,23cyclictest17141-21df23:55:420
20809910016,22cyclictest27371-21df00:25:400
20809910016,22cyclictest22410-21irqstats00:11:050
20809910016,21cyclictest17266-21irqstats22:21:120
2080999920,59cyclictest27571-21/usr/sbin/munin21:16:210
2080999917,62cyclictest13640-21df22:10:410
2080999916,64cyclictest28595-21snmpd22:56:120
2080999916,60cyclictest10299-21df_inode22:00:450
2080999913,63cyclictest8589-21df_inode21:55:460
2080999912,47cyclictest12884-21ssh22:08:080
2080999830,23cyclictest18761-21expr22:25:360
2080999818,58cyclictest16730-21munin-run23:54:570
2080999816,21cyclictest20638-21fw_conntrack00:05:560
2080999815,64cyclictest1915-21irqstats23:11:030
2080999815,62cyclictest25781-21fw_conntrack00:20:560
2080999814,24cyclictest24871-21ssh22:43:100
2080999814,22cyclictest22316-21fw_conntrack22:35:590
2080999813,61cyclictest3584-21sshd19:14:200
2080999726,53cyclictest0-21swapper23:23:330
2080999715,61cyclictest30785-21fw_conntrack21:25:560
2080999712,65cyclictest10966-21users23:36:470
2080999710,65cyclictest16680-21cron22:19:540
2080999628,50cyclictest0-21swapper20:39:550
2080999616,60cyclictest3656-21memory21:41:180
2080999612,62cyclictest13597-21/usr/sbin/munin20:10:040
2080999611,47cyclictest1742-21ssh21:35:490
2080999611,24cyclictest6250-21grep19:26:010
2080999516,24cyclictest25624-21df22:45:420
2080999510,65cyclictest13118-21sort20:05:460
2080999412,61cyclictest21243-21ssh22:32:090
2080999412,58cyclictest3113-21munin-node19:10:010
2080999410,60cyclictest28595-21snmpd20:23:380
208099939,64cyclictest28595-21snmpd19:50:490
2080999315,57cyclictest7557-21users23:26:490
2080999243,34cyclictest16968-21timerandwakeup20:26:000
2080999211,61cyclictest20018-21tr20:45:180
2080999119,23cyclictest4156-21/usr/sbin/munin19:15:470
2080999116,25cyclictest15194-21timerwakeupswit20:15:580
2080999113,21cyclictest21502-21sort20:51:010
2080999112,62cyclictest4611-21/usr/sbin/munin19:20:370
2080998935,23cyclictest11034-21cpu19:55:200
2080998917,23cyclictest6671-21df_inode19:30:300
2080998913,27cyclictest8054-21grep19:35:590
2080998912,59cyclictest8463-21df_abs19:40:270
2080998910,27cyclictest21761-21aten_r5power_en20:55:160
2080998817,23cyclictest9392-21fw_conntrack19:45:330
2080998814,56cyclictest23094-21ntpq21:00:520
2080998617,22cyclictest17614-21memory20:30:450
2080998616,23cyclictest12219-21memory20:00:440
2080998614,25cyclictest19809-21munin-run20:44:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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