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2026-06-22 - 23:31
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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 100 highest latencies:
System rack5slot7.osadl.org (updated Mon Jun 22, 2026 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26377224900,12sleep025365-1kworker/u3:107:00:240
269599911015,27cyclictest14527-21/usr/sbin/munin10:36:060
269599910417,66cyclictest26709-21fw_conntrack09:35:300
269599910415,67cyclictest22363-21users10:56:200
269599910115,63cyclictest19686-21apt-get10:49:480
269599910033,50cyclictest0-21swapper10:08:260
269599910018,61cyclictest6875-21users10:11:190
269599910017,60cyclictest13375-21df_inode12:05:170
269599910017,42cyclictest18137-21irqstats09:10:390
269599910013,27cyclictest19150-21ssh12:21:170
2695999999,67cyclictest32647-21ssh09:52:210
26959999931,50cyclictest0-21swapper12:18:580
26959999919,60cyclictest30018-21apt-get11:19:440
26959999916,61cyclictest7232-21df_inode08:15:000
26959999916,46cyclictest19815-21fw_conntrack09:15:320
26959999916,45cyclictest1022-21df09:55:070
26959999915,66cyclictest21422-21df09:20:090
26959999915,46cyclictest24849-21df09:30:100
26959999913,64cyclictest16531-21/usr/sbin/munin10:40:100
26959999911,67cyclictest13350-21memory10:30:490
26959999835,19cyclictest0-21swapper10:16:410
26959999816,62cyclictest4798-21df_inode11:40:170
26959999816,22cyclictest26830-21df11:10:120
26959999816,21cyclictest28650-21df_inode11:15:220
26959999815,62cyclictest24082-21users11:01:190
26959999815,44cyclictest11541-21irqstats10:25:360
26959999815,44cyclictest11327-21apt-get11:59:510
26959999813,47cyclictest516-21ssh11:27:480
26959999813,24cyclictest28303-21df09:40:100
26959999812,27cyclictest23238-21tr12:34:280
2695999979,48cyclictest9239-21ssh11:53:190
26959999730,50cyclictest0-21swapper11:46:190
26959999726,46cyclictest0-21swapper12:12:140
26959999718,22cyclictest7863-21apt-get08:19:390
26959999716,42cyclictest22868-21apt-get09:24:470
26959999715,61cyclictest28781-21ls07:14:550
26959999621,19cyclictest9465-21unixbench_singl08:25:350
26959999616,60cyclictest5943-21munin-run08:09:280
26959999614,43cyclictest10559-21users11:56:200
26959999613,25cyclictest25194-21ssh11:05:210
26959999610,67cyclictest19226-21ssh10:47:500
26959999520,53cyclictest1530-21memory11:30:480
26959999518,25cyclictest2706-21/usr/sbin/munin10:00:040
26959999516,40cyclictest3266-21memory11:35:450
26959999514,63cyclictest9836-21irqstats10:20:370
26959999512,67cyclictest0-21swapper09:07:100
26959999512,63cyclictest31311-21grep07:29:480
26959999510,46cyclictest30968-21ssh09:47:340
26959999416,41cyclictest20171-21ls12:25:060
26959999310,62cyclictest3024-21grep07:50:290
2695999928,63cyclictest15790-21grep09:00:360
26959999229,20cyclictest711-21wget07:39:520
2695999919,20cyclictest10447-21munin-run08:34:280
26959999116,37cyclictest30672-21fw_conntrack07:25:060
26959999114,57cyclictest14950-21modprobe08:59:270
26959999111,61cyclictest11145-21grep08:35:280
26959999016,26cyclictest12223-21/usr/sbin/munin08:40:380
26959999013,55cyclictest12757-21sshd08:45:190
2695999897,26cyclictest27956-21latency_hist07:09:320
26959998917,23cyclictest30133-21/usr/sbin/munin07:20:310
26959998914,17cyclictest13693-21ntpq08:50:210
26959998911,58cyclictest6141-21basename08:09:510
26959998818,52cyclictest0-21swapper07:59:280
26959998817,28cyclictest32401-21df07:34:550
26959998810,23cyclictest4336-21wget07:59:510
26959998715,53cyclictest28437-21memory07:09:580
26959998712,24cyclictest1529-21/usr/sbin/munin07:44:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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