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2026-07-05 - 12:29
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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 Sun Jul 05, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23206224662228,88sleep00-21swapper19:03:410
232579917118,126cyclictest28075-21apt-get23:24:110
232579916917,125cyclictest31523-21apt-get23:34:100
232579916615,114cyclictest775-21apt-get23:39:140
232579916521,121cyclictest22108-21users23:05:360
232579916518,101cyclictest10317-21users00:05:400
232579916416,124cyclictest30432-21ntp_states23:30:240
232579916412,127cyclictest24362-21/usr/sbin/munin21:39:270
232579916235,110cyclictest16365-21tr00:24:230
232579916218,119cyclictest2631-21fw_conntrack22:09:490
232579916215,120cyclictest29543-21apt-get21:54:100
232579916118,117cyclictest16150-21fw_conntrack21:14:540
232579916117,122cyclictest22299-21ssh21:32:530
232579916117,119cyclictest10881-21apt-get22:34:070
232579916116,121cyclictest13185-21ssh00:14:430
232579916116,104cyclictest14556-21apt-get00:19:100
232579916116,102cyclictest26076-21apt-get21:44:140
232579916115,123cyclictest3989-21apt-get22:14:100
232579916115,123cyclictest14310-21apt-get22:44:110
232579916115,122cyclictest1548-21grep20:04:150
232579916114,125cyclictest24893-21apt-get19:14:090
232579916114,105cyclictest31261-21apt-get21:59:100
232579916035,107cyclictest27032-21ssh23:20:250
232579916021,112cyclictest9414-21users20:44:580
232579916019,118cyclictest10110-21ssh22:30:430
232579916018,117cyclictest12707-21munin-run00:13:510
232579916017,119cyclictest17752-21df21:19:350
232579916013,106cyclictest27800-21apt-get21:49:060
23257991599,126cyclictest5075-21ls23:50:320
232579915918,101cyclictest19196-21apt-get21:24:140
232579915917,118cyclictest18511-21memory00:30:090
232579915917,103cyclictest13075-21ssh22:40:070
232579915916,118cyclictest17046-21ssh22:51:010
232579915915,120cyclictest4103-21/usr/sbin/munin23:48:530
23257991589,125cyclictest24720-21cut23:14:200
232579915834,103cyclictest7962-21memory22:25:120
232579915815,122cyclictest12456-21/usr/sbin/munin21:04:280
232579915815,119cyclictest7673-21apt-get23:59:100
232579915815,119cyclictest18296-21memory22:55:120
232579915734,105cyclictest4885-21head20:19:550
232579915730,108cyclictest31037-21unixbench_singl19:44:580
232579915716,116cyclictest24779-21munin-run19:13:510
232579915715,118cyclictest23246-21df_inode23:09:410
232579915714,120cyclictest505-21apt-get22:04:160
232579915713,120cyclictest19827-21df_inode22:59:460
232579915713,101cyclictest14055-21ssh21:09:170
232579915712,121cyclictest5709-21apt-get22:19:090
232579915617,116cyclictest5861-21munin-run20:28:510
232579915617,114cyclictest28784-21fw_conntrack19:34:290
232579915616,101cyclictest22639-21apt-get21:34:110
232579915516,115cyclictest26861-21/usr/sbin/munin19:24:180
232579915516,101cyclictest31523-21irqstats19:49:350
232579915514,117cyclictest3063-21head20:09:550
232579915512,119cyclictest32097-21/usr/sbin/munin19:54:500
232579915417,113cyclictest10353-21munin-run20:53:510
232579915416,116cyclictest5963-21apt-get23:54:110
232579915415,116cyclictest24067-21grep19:04:540
232579915415,115cyclictest29733-21irqstats19:39:340
232579915314,117cyclictest1201-21ls19:59:540
232579915312,122cyclictest12166-21munin-plugin-st21:03:500
232579915214,116cyclictest10721-21grep20:54:220
232579915118,108cyclictest6871-21apt-get20:34:060
232579915116,110cyclictest3271-21apt-get20:14:060
232579915114,113cyclictest27577-21/usr/sbin/munin19:29:120
232579915021,105cyclictest7767-21/usr/sbin/munin20:40:010
232579914917,106cyclictest25792-21apt-get19:19:050
232579914911,101cyclictest6684-21grep20:29:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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