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2026-05-20 - 20:47
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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 792 highest latencies:
System rack5slot7.osadl.org (updated Wed May 20, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8944224362196,87sleep00-21swapper07:05:250
90469910716,68cyclictest29229-21users12:07:570
90469910517,64cyclictest14674-21df_inode09:51:550
90469910318,47cyclictest19942-21irqstats10:07:120
90469910245,22cyclictest9846-21open_inodes09:37:360
90469910213,68cyclictest3468-21/usr/sbin/munin10:52:510
90469910119,43cyclictest26839-21df12:01:440
90469910115,22cyclictest15174-21ntp_states11:27:330
90469910019,60cyclictest30749-21memory09:01:540
90469910018,60cyclictest24862-21apt-get11:56:220
90469910018,23cyclictest13013-21/usr/sbin/munin11:21:410
90469910016,64cyclictest6411-21irqstats11:02:160
90469910015,22cyclictest18726-21users10:02:530
90469910013,48cyclictest5291-21ssh09:24:280
90469910013,22cyclictest19972-21df11:41:430
90469910010,69cyclictest2693-21ssh12:26:110
9046999926,64cyclictest0-21swapper11:35:280
9046999916,64cyclictest5729-21apt-get09:26:240
9046999916,47cyclictest16060-21/usr/sbin/munin09:57:450
9046999915,61cyclictest28441-21df_inode10:31:560
9046999913,65cyclictest8610-21users11:07:500
9046999912,65cyclictest9743-21df_inode11:11:550
9046999818,24cyclictest18489-21users07:52:120
9046999816,41cyclictest12877-21df09:46:440
9046999816,22cyclictest12497-21munin-run09:46:030
9046999815,62cyclictest30777-21users10:37:540
9046999814,43cyclictest21787-21fw_conntrack11:47:010
9046999813,25cyclictest1264-21kernelversion10:47:170
9046999813,23cyclictest26720-21df_inode10:26:530
9046999811,65cyclictest2571-21ssh09:16:460
9046999733,45cyclictest0-21swapper12:18:490
9046999717,59cyclictest18436-21irqstats11:37:140
9046999717,22cyclictest10087-21munin-node07:11:100
9046999716,60cyclictest13272-21tr07:26:240
9046999716,59cyclictest21480-21df10:11:460
9046999716,42cyclictest4722-21irqstats10:57:170
9046999716,19cyclictest4790-21fw_packets12:32:060
9046999715,63cyclictest9903-21users07:07:130
9046999715,62cyclictest25052-21fw_conntrack10:22:030
9046999715,42cyclictest32086-21memory10:42:250
9046999715,42cyclictest30519-21memory12:12:180
9046999714,63cyclictest23581-21ssh10:17:340
9046999710,69cyclictest31744-21grep09:07:200
9046999710,67cyclictest11484-21df11:16:590
9046999643,38cyclictest27279-21processes08:42:040
9046999614,45cyclictest1730-21/usr/sbin/munin12:22:410
9046999612,63cyclictest7668-21awk09:31:410
9046999531,18cyclictest23137-21apt-get11:51:230
9046999517,56cyclictest1058-21memory09:12:210
9046999512,62cyclictest12261-21grep07:21:040
9046999510,48cyclictest28163-21grep08:47:020
9046999510,48cyclictest14875-21grep07:32:080
9046999412,44cyclictest21440-21wget08:11:270
9046999410,46cyclictest24769-21grep08:27:080
9046999311,43cyclictest19174-21proc_pri07:57:010
9046999231,40cyclictest29291-21users08:52:120
9046999213,60cyclictest25734-21munin-run08:36:030
9046999211,63cyclictest20128-21sendmail_mailqu08:02:030
9046999018,23cyclictest23356-21df08:21:320
9046998927,46cyclictest0-21swapper08:16:500
9046998927,43cyclictest0-21swapper08:41:070
9046998919,23cyclictest12562-21df07:21:330
9046998917,24cyclictest20836-21memory08:06:530
9046998814,58cyclictest16865-21grep07:46:240
9046998813,25cyclictest15262-21df_abs07:36:340
9046998717,22cyclictest16157-21df07:41:330
9046998616,23cyclictest29953-21/usr/sbin/munin08:57:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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