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2025-11-30 - 12:28
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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 highest latencies:
System rack5slot7.osadl.org (updated Sun Nov 30, 2025 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10915224350,12sleep04470-1kworker/u3:517:35:380
122709917617,133cyclictest15439-21apt-get22:00:500
122709917418,129cyclictest12146-21apt-get21:50:540
122709917014,130cyclictest5448-21apt-get19:50:570
122709916917,128cyclictest5997-21irqstats21:31:430
122709916816,128cyclictest28705-21apt-get22:40:500
122709916717,124cyclictest13818-21apt-get21:55:550
122709916716,125cyclictest32016-21apt-get22:50:530
122709916715,127cyclictest8664-21apt-get20:00:520
122709916515,125cyclictest7065-21apt-get19:55:530
122709916418,102cyclictest23675-21apt-get22:25:550
122709916319,103cyclictest21911-21df20:41:180
122709916316,123cyclictest12011-21munin-run21:50:330
122709916314,126cyclictest2247-21apt-get21:20:570
122709916219,118cyclictest24190-21users20:47:230
122709916218,119cyclictest5637-21munin-run23:10:330
122709916216,121cyclictest10281-21apt-get20:05:540
122709916216,120cyclictest22525-21memory22:21:480
122709916211,126cyclictest13358-21munin-node21:00:430
122709916119,116cyclictest20036-21apt-get20:35:570
122709916117,121cyclictest579-21apt-get21:15:520
122709916117,119cyclictest18767-21apt-get22:11:000
122709916115,121cyclictest3769-21apt-get19:46:000
122709916115,105cyclictest20365-21apt-get22:15:560
122709916112,125cyclictest1197-21/usr/sbin/munin22:56:510
122709916018,105cyclictest31901-21memory21:11:500
122709916015,120cyclictest12162-21ssh20:11:120
122709916014,120cyclictest8815-21apt-get21:41:010
122709915931,110cyclictest18474-21aten_r5power_en20:31:050
122709915917,118cyclictest30192-21irqstats21:06:390
122709915916,103cyclictest25662-21df22:31:200
122709915915,123cyclictest17423-21df_inode22:06:230
122709915914,103cyclictest31070-21zcat22:47:050
122709915817,115cyclictest30221-21df19:16:050
122709915815,120cyclictest1977-21munin-run19:40:350
122709915815,120cyclictest18259-21munin-run20:30:340
122709915815,101cyclictest7185-21apt-get21:35:540
122709915814,120cyclictest13566-21apt-get20:15:550
122709915812,103cyclictest27162-21basename22:36:050
122709915717,99cyclictest3899-21apt-get21:25:520
122709915716,116cyclictest24410-21grep18:41:420
122709915714,120cyclictest2105-21apt-get19:41:000
122709915713,120cyclictest15209-21/usr/sbin/munin20:21:030
122709915712,123cyclictest24885-21apt-get20:50:540
122709915710,106cyclictest20291-21df_abs18:21:060
122709915616,98cyclictest457-21df19:31:040
122709915616,100cyclictest25395-21munin-run18:50:330
122709915613,120cyclictest27443-21ssh20:57:210
122709915518,114cyclictest32605-21munin-run19:30:340
122709915512,119cyclictest25506-21/usr/sbin/munin18:51:460
122709915510,121cyclictest14565-21sendmail17:50:330
122709915417,114cyclictest29001-21munin-run19:10:340
122709915413,118cyclictest2954-21ssh23:01:160
122709915412,105cyclictest31431-21ps19:21:330
122709915332,101cyclictest19916-21head18:16:410
122709915317,110cyclictest14683-21apt-get17:50:510
122709915215,114cyclictest15990-21memory17:56:330
122709915212,115cyclictest22357-21awk18:31:310
122709915210,99cyclictest17253-21sshd18:03:440
122709915112,117cyclictest21819-21cat18:30:370
122709915112,114cyclictest22790-21/usr/sbin/munin18:35:460
122709915110,117cyclictest27186-21sshd18:59:020
122709915020,106cyclictest29593-21ntp_states19:11:330
122709915011,98cyclictest13153-21sshd17:45:000
122709915011,116cyclictest27357-21tr19:00:570
122709914910,100cyclictest18272-21ls18:10:380
122709914810,116cyclictest18406-21egrep18:11:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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