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2026-07-07 - 14:27
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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 Tue Jul 07, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24834223952168,172sleep00-21swapper06:59:520
252919917420,109cyclictest27472-21apt-get11:14:060
252919917117,125cyclictest5060-21apt-get10:09:040
252919916616,124cyclictest11951-21apt-get10:29:030
252919916421,100cyclictest4282-21users10:05:340
252919916419,121cyclictest25723-21/usr/sbin/munin11:10:370
252919916416,122cyclictest20806-21apt-get12:29:010
252919916236,89cyclictest19588-21ssh12:25:020
252919916219,97cyclictest5779-21irqstats11:44:530
252919916218,121cyclictest23599-21munin-run09:28:450
252919916133,92cyclictest9546-21sh08:33:430
252919916118,118cyclictest10564-21apt-get08:39:000
252919916113,125cyclictest23730-21ssh09:28:580
252919916019,115cyclictest29639-21irqstats11:19:550
252919916017,100cyclictest22292-21apt-get10:59:040
252919916013,120cyclictest17624-21ssh09:10:230
252919916013,102cyclictest20284-21apt-get09:19:060
252919915919,114cyclictest17118-21apt-get10:44:040
252919915916,119cyclictest32610-21apt-get11:29:070
252919915916,118cyclictest28892-21apt-get09:44:040
252919915832,102cyclictest30606-21apt-get09:49:100
252919915819,118cyclictest16694-21munin-run09:08:430
252919915817,117cyclictest21099-21memory10:55:030
252919915817,116cyclictest7853-21apt-get08:23:580
252919915816,118cyclictest17378-21apt-get12:19:010
252919915815,119cyclictest6807-21apt-get10:14:050
252919915815,119cyclictest32342-21/usr/sbin/munin09:55:020
252919915815,101cyclictest27561-21ssh09:39:440
252919915814,102cyclictest23997-21/usr/sbin/munin11:05:240
252919915718,96cyclictest10500-21apt-get11:59:060
252919915718,114cyclictest1905-21apt-get11:34:020
252919915715,117cyclictest15406-21apt-get10:39:020
252919915715,101cyclictest622-21apt-get07:43:570
252919915644,93cyclictest4856-21sh11:41:540
252919915619,113cyclictest25456-21apt-get09:34:040
252919915619,112cyclictest18563-21apt-get09:14:040
252919915618,114cyclictest13928-21apt-get12:09:060
252919915617,114cyclictest18845-21apt-get10:49:000
252919915536,102cyclictest6528-21tr08:14:380
252919915534,98cyclictest8794-21apt-get11:54:050
252919915518,112cyclictest16024-21df_inode12:14:410
252919915517,94cyclictest14621-21users10:35:300
252919915515,99cyclictest1611-21/usr/sbin/munin10:00:360
252919915418,97cyclictest12211-21apt-get12:04:110
252919915413,117cyclictest30897-21apt-get11:24:000
252919915413,117cyclictest1761-21sshd10:27:580
252919915413,116cyclictest27250-21ntpq07:09:590
252919915411,118cyclictest28595-21snmpd11:49:100
252919915330,98cyclictest5144-21apt-get08:08:570
252919915316,112cyclictest30392-21apt-get07:28:590
252919915221,105cyclictest12351-21apt-get08:48:580
252919915219,108cyclictest13264-21apt-get08:53:580
252919915210,118cyclictest31888-21find07:34:440
252919915111,101cyclictest9158-21ssh10:20:150
252919915110,119cyclictest3938-21grep07:59:440
25291991509,117cyclictest29490-21/usr/sbin/munin07:24:440
252919915019,91cyclictest7026-21tr08:19:060
252919915017,106cyclictest14162-21apt-get08:58:580
252919915013,114cyclictest32590-21wc07:39:310
252919914913,113cyclictest11449-21munin-node08:43:530
252919914913,112cyclictest26118-21grep07:04:490
252919914820,106cyclictest4247-21apt-get08:03:580
252919914819,105cyclictest28605-21apt-get07:18:580
252919914812,110cyclictest9750-21grep08:34:070
252919914715,111cyclictest28462-21users07:14:510
252919914714,108cyclictest1537-21apt-get07:48:590
252919914621,100cyclictest2461-21apt-get07:53:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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