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2025-12-04 - 18:26
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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 Thu Dec 04, 2025 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
662224562211,94sleep00-21swapper05:39:060
8379916719,24cyclictest24705-21irqstats11:06:290
8379916620,44cyclictest9993-21memory10:21:370
8379916522,27cyclictest32688-21df08:11:020
8379916517,62cyclictest7124-21users10:12:050
8379916344,22cyclictest25317-21sh09:29:310
8379916316,62cyclictest30975-21memory09:46:400
8379916243,21cyclictest27285-21diskmemload09:35:490
8379916142,22cyclictest22412-21sh07:35:510
8379916012,25cyclictest18970-21ssh10:49:110
8379916011,59cyclictest23288-21grep07:40:570
8379915919,47cyclictest32096-21apt-get09:50:450
8379915915,23cyclictest11821-21ssh10:26:490
8379915914,57cyclictest15083-21users08:56:510
8379915831,19cyclictest9800-21/usr/sbin/munin08:41:170
8379915713,57cyclictest21898-21users10:57:050
8379915712,48cyclictest25481-21/usr/sbin/munin07:46:540
8379915710,24cyclictest3791-21ssh08:21:440
8379915614,51cyclictest3639-21/usr/sbin/munin10:01:550
8379915614,23cyclictest12171-21munin-run06:40:200
8379915610,24cyclictest5190-21kworker/u2:208:50:460
8379915544,23cyclictest30691-21sh08:05:160
8379915516,55cyclictest1926-21df_inode08:16:140
8379915515,51cyclictest8414-21ntp_states08:36:440
8379915420,25cyclictest9466-21munin-run06:25:220
8379915413,56cyclictest19667-21fw_conntrack10:51:180
8379915412,25cyclictest10650-21/usr/sbin/munin06:30:450
8379915344,22cyclictest30106-21sh09:44:070
8379915342,23cyclictest6520-21processes06:06:220
8379915244,21cyclictest1687-21unixbench_singl05:41:240
8379915220,43cyclictest26521-21users09:32:020
8379915214,23cyclictest23189-21/usr/sbin/munin11:01:430
8379915212,37cyclictest10229-21timerandwakeup06:26:230
837991519,55cyclictest6190-21latency_hist08:30:260
8379915116,25cyclictest8289-21ssh10:16:250
8379915112,50cyclictest2155-21grep09:57:000
8379915018,23cyclictest15203-21df06:55:490
8379915017,24cyclictest14381-21fw_conntrack06:50:590
8379915017,22cyclictest11319-21df_inode08:46:120
8379915016,22cyclictest13441-21df_inode06:45:560
8379915014,24cyclictest4988-21irqstats10:06:290
8379915013,22cyclictest19101-21rm09:10:340
8379915010,40cyclictest21062-21df_inode09:16:080
8379914935,31cyclictest16748-21awk09:02:030
8379914916,51cyclictest0-21swapper10:41:460
8379914914,22cyclictest22362-21ssh09:20:370
8379914912,25cyclictest26484-21grep07:50:540
8379914719,48cyclictest0-21swapper07:16:010
8379914713,26cyclictest31071-21cstates08:06:020
8379914713,22cyclictest21639-21irqstats07:31:190
8379914614,46cyclictest6518-21/usr/sbin/munin08:31:030
8379914412,48cyclictest5057-21/usr/sbin/munin06:01:020
8379914213,24cyclictest4440-21df_inode05:55:580
8379910132,50cyclictest0-21swapper10:30:500
837999830,44cyclictest2379-21cut05:46:020
837999811,65cyclictest28047-21basename07:55:550
837999713,65cyclictest17508-21hostname09:05:510
837999616,43cyclictest21188-21munin-run07:30:210
83799949,62cyclictest19608-21wc07:20:480
837999214,62cyclictest0-21swapper06:10:330
837999211,24cyclictest17134-21uname07:06:060
837999210,24cyclictest12265-21/usr/sbin/munin06:41:230
837999113,49cyclictest0-21swapper10:37:140
837998910,27cyclictest16175-21/usr/sbin/munin07:01:010
837998714,24cyclictest3270-21apt-get05:50:370
837998713,27cyclictest17953-21grep07:10:540
837998513,35cyclictest7844-21aten_r5power_po06:15:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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