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2025-12-02 - 10:22
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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 Tue Dec 02, 2025 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4127224102173,184sleep00-21swapper17:39:400
42469917017,124cyclictest21457-21apt-get22:40:540
42469916820,122cyclictest21906-21munin-run21:05:280
42469916813,131cyclictest6786-21/usr/sbin/munin17:56:100
42469916623,98cyclictest26886-21memory22:56:440
42469916616,122cyclictest18675-21apt-get20:55:490
42469916419,119cyclictest6705-21df21:56:150
42469916417,119cyclictest4752-21apt-get21:50:470
42469916217,120cyclictest15161-21munin-run20:45:300
42469916216,102cyclictest32527-21apt-get20:00:470
42469916213,106cyclictest17074-21ssh22:26:510
42469916118,117cyclictest25628-21munin-run19:40:290
42469916116,119cyclictest11501-21apt-get22:10:510
42469916037,104cyclictest32142-21/usr/sbin/munin21:37:080
42469916018,116cyclictest19817-21apt-get22:35:460
42469916017,100cyclictest27876-21irqstats19:46:310
42469916016,117cyclictest11913-21apt-get20:35:500
42469916016,100cyclictest14836-21apt-get22:20:480
42469915931,93cyclictest30051-21grep19:52:070
42469915919,116cyclictest3346-21munin-run20:10:290
42469915914,119cyclictest3832-21df_inode20:11:250
42469915911,124cyclictest17597-21ntp_offset20:51:540
42469915833,106cyclictest16952-21latency_hist20:50:350
42469915818,117cyclictest8882-21df_inode20:26:230
42469915818,116cyclictest10145-21df_inode22:06:210
42469915817,116cyclictest30458-21apt-get21:30:500
42469915815,116cyclictest5172-21apt-get20:15:480
42469915814,120cyclictest29642-21apt-get23:05:470
42469915813,118cyclictest28335-21ssh23:01:160
42469915718,100cyclictest25313-21memory22:51:460
42469915714,116cyclictest3041-21apt-get21:45:480
42469915713,119cyclictest23809-21cut21:10:590
4246991569,105cyclictest8558-21grep18:05:320
42469915631,109cyclictest13508-21df_inode22:16:200
42469915616,116cyclictest8731-21ntp_states22:01:580
42469915615,116cyclictest18170-21apt-get22:30:460
42469915614,102cyclictest19-21kcompactd020:22:140
42469915613,118cyclictest25414-21apt-get21:15:500
42469915544,93cyclictest8848-21sh18:06:030
42469915517,97cyclictest27776-21ssh21:22:020
42469915516,115cyclictest22033-21apt-get21:05:510
42469915514,118cyclictest30864-21apt-get19:55:510
42469915514,116cyclictest1353-21apt-get21:40:440
4246991549,121cyclictest16379-21wc18:46:390
42469915413,117cyclictest26355-21tr19:41:550
42469915413,102cyclictest28762-21apt-get21:25:500
42469915412,118cyclictest11028-21sort20:32:050
42469915311,118cyclictest14029-21cut18:35:530
4246991529,118cyclictest21741-21grep19:16:280
42469915219,91cyclictest12982-21munin-run18:30:290
42469915216,111cyclictest11282-21apt-get18:20:450
42469915216,109cyclictest22106-21apt-get19:20:460
42469915214,115cyclictest23126-21apt-get22:45:540
42469915212,113cyclictest13830-21sed18:31:350
42469915018,109cyclictest5147-21munin-run17:45:320
42469915015,113cyclictest19654-21df19:06:010
42469915014,113cyclictest11105-21grep18:16:330
42469915013,113cyclictest19115-21sort19:01:320
4246991499,118cyclictest24733-21wc19:35:290
42469914923,106cyclictest0-21swapper17:55:270
42469914914,113cyclictest18333-21grep18:56:350
42469914813,110cyclictest15059-21cstates18:40:550
42469914735,95cyclictest23260-21df_abs19:26:030
42469914715,111cyclictest9745-21df18:11:010
42469914617,104cyclictest16711-21apt-get18:50:460
42469914512,96cyclictest5573-21grep17:45:490
42469914512,94cyclictest20349-21tr19:10:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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