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2026-03-08 - 00:13
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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 Fri Mar 06, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18039224560,12sleep011245-1kworker/u3:507:05:100
190259917315,132cyclictest8789-21irqstats10:45:420
190259916918,126cyclictest785-21apt-get08:29:500
190259916822,25cyclictest10193-21munin-run12:24:360
190259916733,115cyclictest7309-21wc10:41:070
190259916720,118cyclictest18413-21apt-get09:39:550
190259916719,124cyclictest334-21fw_conntrack11:55:380
190259916713,129cyclictest15229-21apt-get11:04:530
190259916712,26cyclictest8039-21/usr/sbin/munin09:11:040
190259916618,122cyclictest10317-21apt-get12:24:540
190259916617,125cyclictest18660-21apt-get11:14:530
190259916613,128cyclictest12123-21df_inode10:55:240
190259916516,28cyclictest10422-21df_inode10:50:320
190259916516,26cyclictest7801-21users12:16:270
190259916416,124cyclictest13593-21df_inode09:25:280
190259916415,126cyclictest22239-21aten_r5power_po11:25:060
190259916316,123cyclictest23564-21apt-get09:55:000
190259916316,121cyclictest27269-21apt-get11:39:540
190259916315,124cyclictest15110-21munin-run11:04:340
190259916313,32cyclictest5249-21df_inode10:35:320
190259916310,130cyclictest29074-21aten_r5power_en11:45:040
190259916219,24cyclictest17387-21irqstats11:10:450
190259916218,28cyclictest30446-21apt-get10:14:510
190259916218,24cyclictest14958-21apt-get09:29:550
190259916218,121cyclictest23823-21apt-get11:29:520
190259916218,120cyclictest28727-21apt-get10:09:550
190259916211,27cyclictest20292-21grep09:45:070
190259916210,127cyclictest26942-21/usr/sbin/munin07:55:310
190259916134,22cyclictest5131-21apt-get12:09:530
190259916118,120cyclictest11963-21irqstats09:20:410
190259916117,23cyclictest16673-21apt-get09:34:530
190259916116,24cyclictest14082-21df_inode12:35:250
190259916116,21cyclictest12290-21df12:30:200
190259916114,123cyclictest27017-21/usr/sbin/munin10:06:010
190259916112,125cyclictest32627-21irqstats10:20:430
190259916112,125cyclictest22313-21kernelversion09:50:470
190259916111,127cyclictest31588-21/usr/sbin/munin11:51:170
190259916011,122cyclictest3933-21swap10:31:120
190259915930,21cyclictest25301-21apt-get09:59:540
190259915919,25cyclictest20925-21memory11:20:520
190259915916,25cyclictest25980-21irqstats11:35:410
190259915916,118cyclictest2079-21fw_conntrack12:00:310
190259915818,117cyclictest10219-21irqstats09:15:430
190259915817,24cyclictest3428-21apt-get12:05:020
190259915811,120cyclictest25068-21grep07:44:360
190259915715,28cyclictest30541-21/usr/sbin/munin08:14:580
190259915712,120cyclictest1697-21/usr/sbin/munin08:34:530
190259915710,26cyclictest30234-21wc08:10:340
190259915621,24cyclictest32364-21apt-get08:24:480
190259915618,113cyclictest4412-21apt-get08:49:490
190259915615,19cyclictest1453-21apt-get10:24:560
190259915612,30cyclictest20541-21sh07:19:330
190259915517,22cyclictest20951-21fw_conntrack07:20:130
190259915515,27cyclictest19952-21munin-node07:14:360
190259915435,100cyclictest26069-21aten_r5power_cu07:49:540
190259915418,111cyclictest5518-21df08:55:030
190259915416,114cyclictest3524-21apt-get08:44:480
190259915410,25cyclictest7165-21aten_r5power_en09:04:550
190259915312,41cyclictest25216-21cut07:44:560
190259915230,101cyclictest21936-21ls07:25:190
190259915216,21cyclictest24145-21munin-run07:39:340
190259915215,26cyclictest28758-21apt-get08:04:490
190259915213,31cyclictest28307-21ntpdc08:00:270
190259915210,27cyclictest3339-21unixbench_singl08:40:370
190259915121,28cyclictest23207-21users07:30:420
190259915117,23cyclictest31754-21fw_conntrack08:20:120
190259914919,21cyclictest6223-21apt-get08:59:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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