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2025-10-31 - 01:17
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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 376 highest latencies:
System rack5slot7.osadl.org (updated Thu Oct 30, 2025 12:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4275224142166,195sleep00-21swapper05:38:570
46519916514,125cyclictest15730-21/usr/sbin/munin10:52:070
46519916416,123cyclictest30021-21apt-get07:52:230
46519916315,105cyclictest26950-21apt-get07:42:270
46519916120,98cyclictest19909-21munin-run09:12:040
46519916119,117cyclictest3422-21fw_conntrack10:07:590
46519916117,118cyclictest17319-21apt-get10:57:220
46519916017,121cyclictest1658-21apt-get10:02:250
46519916013,119cyclictest1933-21apt-get08:07:200
46519915935,104cyclictest32373-21timerandwakeup07:58:460
46519915917,117cyclictest29748-21munin-run09:47:050
46519915914,119cyclictest17241-21/usr/sbin/munin09:03:010
46519915910,124cyclictest28441-21/usr/sbin/munin07:48:260
46519915819,96cyclictest24649-21irqstats09:28:020
46519915819,113cyclictest20714-21memory11:08:180
46519915816,102cyclictest24602-21memory07:27:540
46519915732,103cyclictest0-21swapper08:06:100
46519915720,115cyclictest14160-21munin-run06:32:050
46519915717,100cyclictest18764-21apt-get11:02:190
46519915716,117cyclictest8314-21users08:28:350
46519915711,122cyclictest9838-21cut06:07:280
46519915614,104cyclictest10154-21ssh08:37:050
46519915520,113cyclictest6154-21ssh08:22:320
46519915520,112cyclictest20379-21fw_conntrack09:12:540
46519915517,117cyclictest17891-21apt-get06:52:210
46519915515,98cyclictest11539-21apt-get10:37:230
46519915514,116cyclictest21441-21apt-get09:17:210
46519915513,118cyclictest15861-21apt-get10:52:190
46519915510,121cyclictest3316-21/usr/sbin/munin08:12:340
46519915417,114cyclictest31638-21fw_conntrack09:52:580
46519915417,113cyclictest25670-21apt-get09:32:250
46519915415,118cyclictest12147-21ssh08:43:120
46519915412,121cyclictest16333-21df_inode06:42:360
46519915412,101cyclictest7305-21apt-get10:22:240
46519915335,100cyclictest11654-21cut06:17:260
46519915330,103cyclictest12957-21apt-get10:42:190
46519915318,94cyclictest10759-21memory08:38:190
46519915317,111cyclictest10531-21irqstats10:33:010
46519915315,113cyclictest27102-21ssh09:37:210
46519915314,118cyclictest13047-21/usr/sbin/munin08:48:320
4651991529,113cyclictest8937-21grep06:02:270
46519915229,100cyclictest30173-21df_inode09:47:460
46519915215,99cyclictest4824-21fw_conntrack10:12:520
46519915215,116cyclictest9066-21ssh10:27:580
46519915215,114cyclictest6968-21ssh10:20:130
46519915212,99cyclictest14485-21/usr/sbin/munin08:52:140
46519915211,99cyclictest8748-21sshd06:01:360
46519915129,101cyclictest5200-21memory08:18:120
46519915120,107cyclictest6950-21munin-run05:52:060
46519915117,113cyclictest19886-21df07:02:320
46519915111,119cyclictest1058-21sed09:58:300
46519915021,105cyclictest17726-21users06:48:190
46519915017,109cyclictest5156-21memory05:42:540
46519915015,112cyclictest22693-21fw_conntrack07:17:460
46519915015,108cyclictest14741-21ntpdc06:32:580
46519915014,95cyclictest16044-21/usr/sbin/munin08:57:370
4651991499,119cyclictest23291-21/usr/sbin/munin07:22:130
46519914925,89cyclictest1449-21ntpd07:33:000
46519914919,109cyclictest23329-21memory09:23:110
46519914912,114cyclictest26261-21/usr/sbin/munin07:37:350
46519914818,108cyclictest21790-21fw_conntrack07:12:420
46519914813,112cyclictest18866-21cut06:57:280
46519914810,99cyclictest21301-21sed07:08:150
46519914716,109cyclictest7403-21irqstats05:53:030
46519914714,98cyclictest11389-21sed06:13:100
46519914616,107cyclictest12940-21ntp_states06:23:010
46519914312,110cyclictest15891-21head06:38:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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