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2026-05-04 - 22:23
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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 Mon May 04, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22101224900,13sleep014903-1kworker/u3:107:02:100
233289915074,50cyclictest22330-21apt-get11:07:070
233289914670,52cyclictest25306-21apt-get09:42:080
233289914567,53cyclictest14146-21apt-get12:17:060
233289914468,52cyclictest3251-21apt-get10:12:060
233289914465,52cyclictest2035-21apt-get11:42:050
233289914364,38cyclictest13718-21ssh12:15:240
233289914266,51cyclictest13675-21apt-get10:42:090
233289914166,49cyclictest19319-21apt-get12:32:090
233289914065,51cyclictest24075-21apt-get11:12:100
233289914064,51cyclictest13665-21memory09:08:090
233289914063,55cyclictest10192-21apt-get10:32:080
233289913968,32cyclictest27924-21fw_conntrack11:22:460
233289913867,49cyclictest31003-21apt-get11:32:090
233289913867,48cyclictest27388-21ssh09:47:460
233289913865,51cyclictest18354-21apt-get09:22:100
233289913865,49cyclictest18129-21memory12:28:090
233289913862,36cyclictest16631-21ssh09:17:000
233289913862,33cyclictest3757-21apt-get11:47:110
233289913860,36cyclictest17296-21aten_r5power_vo10:52:230
233289913775,38cyclictest14866-21apt-get09:12:100
233289913766,48cyclictest29100-21df_inode09:52:380
233289913765,51cyclictest1671-21fw_conntrack08:02:260
233289913763,32cyclictest10667-21apt-get12:07:090
233289913674,35cyclictest307-21memory10:03:110
233289913668,29cyclictest466-21apt-get07:57:060
233289913664,48cyclictest30951-21irqstats09:57:580
233289913662,51cyclictest26859-21ssh11:19:010
233289913662,50cyclictest7758-21memory11:58:070
233289913566,44cyclictest1509-21apt-get10:07:100
233289913563,51cyclictest8569-21aten_r5power_po10:27:200
233289913561,49cyclictest20609-21/usr/sbin/munin11:02:530
233289913560,51cyclictest15396-21/usr/sbin/munin10:48:390
233289913557,53cyclictest15907-21ssh12:22:120
233289913465,34cyclictest5640-21ssh10:18:210
233289913461,51cyclictest721-21irqstats11:37:560
233289913461,49cyclictest23924-21df_inode09:37:410
233289913459,50cyclictest29265-21/usr/sbin/munin11:27:180
233289913457,54cyclictest3992-21sendmail08:16:480
233289913456,54cyclictest18880-21apt-get10:57:050
233289913456,51cyclictest7785-21grep08:37:120
233289913361,49cyclictest8942-21/usr/sbin/munin12:02:360
233289913361,35cyclictest12466-21memory10:38:040
233289913360,50cyclictest25623-21munin-run07:16:490
233289913358,51cyclictest20978-21unixbench_singl09:28:330
233289913262,49cyclictest31550-21cat07:47:390
233289913260,50cyclictest5487-21apt-get11:52:090
233289913260,48cyclictest7585-21munin-run08:36:480
233289913260,33cyclictest6739-21apt-get10:22:160
233289913260,32cyclictest10347-21cat08:51:520
233289913159,49cyclictest21824-21apt-get09:32:150
233289913066,42cyclictest10724-21irqstats08:52:310
233289913057,49cyclictest11414-21tr08:57:110
233289912969,37cyclictest30232-21/usr/sbin/munin07:42:300
233289912959,49cyclictest24175-21head07:07:540
233289912957,49cyclictest27544-21cut07:27:090
233289912957,48cyclictest4129-21grep08:17:090
233289912955,31cyclictest29222-21munin-run07:36:490
233289912954,34cyclictest1406-21lldpd09:02:560
233289912859,47cyclictest1406-21lldpd08:26:260
233289912858,49cyclictest32019-21apt07:51:570
233289912855,50cyclictest26317-21zcat07:17:480
233289912853,50cyclictest29352-21aten_r5power_cu07:37:080
233289912754,35cyclictest9060-21ntpq08:42:430
233289912557,46cyclictest2277-21/usr/sbin/munin08:06:590
233289912554,48cyclictest6064-21wc08:27:130
233289912553,49cyclictest26666-21cut07:22:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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