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2026-03-27 - 22:58
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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 27, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6941224422203,87sleep00-21swapper07:03:390
83079916819,124cyclictest11133-21apt-get09:48:550
83079916714,127cyclictest6608-21fw_conntrack11:09:320
83079916539,107cyclictest6152-21cpu09:34:100
83079916417,121cyclictest1042-21apt-get10:53:530
83079916416,106cyclictest2521-21apt-get09:23:550
83079916332,113cyclictest8149-21irqstats09:39:460
83079916319,103cyclictest28623-21df10:39:190
83079916319,101cyclictest643-21munin-run09:18:360
83079916318,122cyclictest2793-21apt-get10:58:520
83079916316,122cyclictest16686-21fw_conntrack10:04:380
83079916315,122cyclictest1308-21apt-get12:29:050
83079916312,125cyclictest26844-21/usr/sbin/munin12:09:070
83079916219,114cyclictest11408-21apt-get11:23:560
83079916217,120cyclictest30074-21apt-get10:43:560
83079916217,118cyclictest9690-21apt-get11:18:530
83079916215,123cyclictest5045-21memory11:04:520
83079916214,121cyclictest23446-21apt-get11:58:550
83079916213,123cyclictest10662-21unixbench_singl07:19:390
83079916120,117cyclictest10054-21ntp_states09:45:070
83079916117,121cyclictest26982-21df_inode10:34:280
83079916117,121cyclictest21352-21munin-run10:18:360
83079916117,118cyclictest23727-21memory10:24:540
83079916117,102cyclictest19233-21users11:45:270
83079916116,102cyclictest1039-21df09:19:140
83079916115,121cyclictest7944-21apt11:13:440
83079916016,120cyclictest14849-21apt-get11:33:570
83079915917,119cyclictest4239-21apt-get09:29:010
83079915916,118cyclictest16571-21apt-get11:38:540
83079915916,100cyclictest13233-21fw_conntrack09:54:380
83079915914,120cyclictest20237-21cstates11:49:130
83079915914,120cyclictest18019-21apt-get10:08:550
83079915914,119cyclictest24911-21apt-get10:28:560
83079915913,123cyclictest31783-21/usr/sbin/munin10:49:310
83079915912,121cyclictest30109-21df_inode09:09:290
83079915835,107cyclictest23465-21aten_r5power_cu08:33:540
83079915817,116cyclictest29051-21irqstats12:14:510
83079915816,119cyclictest21486-21apt-get10:18:570
83079915815,119cyclictest21719-21ssh11:53:470
83079915814,120cyclictest8401-21/usr/sbin/munin07:09:400
83079915814,118cyclictest24347-21apt-get08:38:480
83079915811,105cyclictest3573-21memory12:34:540
83079915715,119cyclictest32060-21apt-get12:23:590
83079915715,118cyclictest26759-21munin-run12:08:360
83079915711,122cyclictest13109-21/usr/sbin/munin11:29:390
83079915711,120cyclictest14585-21apt-get09:59:010
83079915618,114cyclictest31782-21ssh12:22:530
8307991559,120cyclictest13342-21grep07:34:390
83079915532,104cyclictest11759-21grep07:28:550
83079915513,118cyclictest18122-21grep08:03:580
83079915511,119cyclictest27061-21cut08:53:560
83079915415,116cyclictest19650-21head08:09:400
83079915412,120cyclictest16192-21grep07:53:390
83079915410,122cyclictest19828-21apt-get08:13:450
83079915316,115cyclictest21914-21df_inode08:24:070
83079915314,115cyclictest29682-21latency_hist09:08:400
83079915218,111cyclictest9830-21munin-run07:18:360
83079915216,110cyclictest22535-21apt-get08:28:490
83079915214,116cyclictest27944-21apt-get08:58:460
83079915213,119cyclictest16229-21apt-get07:53:450
83079915121,103cyclictest11603-21users07:24:450
83079915120,108cyclictest26133-21apt-get08:48:500
83079915112,116cyclictest25302-21cut08:43:550
83079915012,116cyclictest17672-21ps07:59:330
8307991499,116cyclictest14130-21fgrep07:39:360
83079914913,112cyclictest20746-21/usr/sbin/munin08:19:420
83079914910,116cyclictest14814-21cat07:44:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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