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2025-11-28 - 04:38
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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 Fri Nov 28, 2025 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30902224310,12sleep022106-1kworker/u3:117:38:550
311279910518,65cyclictest25612-21apt-get21:30:580
311279910516,24cyclictest12185-21apt-get20:51:010
311279910320,60cyclictest25084-21memory23:06:570
311279910312,71cyclictest20311-21/usr/sbin/munin22:52:010
311279910217,63cyclictest18277-21ssh21:08:010
311279910216,44cyclictest29226-21df21:41:220
311279910115,45cyclictest17118-21ssh21:05:410
311279910115,23cyclictest11707-21ssh20:48:560
311279910111,26cyclictest22240-21ssh19:44:150
311279910111,26cyclictest21962-21ntpdc22:57:040
311279910018,62cyclictest19042-21users22:47:350
311279910017,59cyclictest32170-21munin-node17:45:460
311279910010,26cyclictest2580-21fgrep17:56:410
31127999933,46cyclictest27892-21aten_r5power_vo20:01:150
31127999918,42cyclictest5485-21memory22:07:000
31127999917,62cyclictest11559-21apt-get22:25:590
31127999915,24cyclictest9071-21df20:41:240
31127999915,24cyclictest31390-21df20:11:230
31127999911,29cyclictest22647-21ssh19:45:510
31127999911,27cyclictest939-21ssh21:52:580
31127999824,65cyclictest0-21swapper20:33:060
31127999814,22cyclictest7053-21if_eth022:11:460
31127999812,46cyclictest11272-21ssh22:24:440
31127999811,47cyclictest17543-21ssh22:43:100
31127999716,62cyclictest27823-21/usr/sbin/munin21:36:590
31127999715,47cyclictest0-21swapper22:36:590
31127999715,21cyclictest24745-21fw_conntrack19:51:390
31127999712,49cyclictest9527-21ssh22:19:080
31127999711,27cyclictest30925-21ssh21:46:230
31127999711,24cyclictest4692-21ssh20:27:310
31127999710,68cyclictest15985-21grep19:11:330
31127999623,56cyclictest0-21swapper18:50:390
31127999618,58cyclictest2056-21irqstats21:56:530
31127999617,20cyclictest7759-21ssh20:37:130
31127999616,50cyclictest0-21swapper20:09:520
31127999616,43cyclictest962-21munin-run17:50:400
31127999615,51cyclictest0-21swapper20:18:400
31127999613,61cyclictest24183-21df21:26:230
31127999529,48cyclictest0-21swapper22:35:420
31127999518,59cyclictest19282-21fw_conntrack21:11:360
31127999514,51cyclictest0-21swapper21:22:370
31127999514,43cyclictest3359-21ntp_states18:01:340
31127999514,21cyclictest20582-21apt-get21:16:000
31127999513,21cyclictest3544-21df22:01:220
31127999511,24cyclictest20769-21grep19:36:480
31127999510,49cyclictest13532-21grep18:56:470
31127999413,60cyclictest2150-21aten_r5power_en20:21:140
31127999411,60cyclictest23916-21vmstat23:02:300
31127999410,65cyclictest6935-21tr18:21:350
31127999318,54cyclictest17789-21ntp_states19:21:380
31127999312,23cyclictest18212-21/usr/sbin/munin19:26:360
31127999311,23cyclictest14305-21irqstats20:56:450
31127999118,34cyclictest1354-21df_inode17:51:190
31127999113,25cyclictest27328-21ssh19:59:110
31127999018,50cyclictest32214-21munin-node18:26:410
31127999012,58cyclictest9930-21grep18:36:460
31127999011,23cyclictest19127-21/usr/sbin/munin19:31:480
31127998929,40cyclictest5645-21basename18:16:000
31127998918,26cyclictest3784-21apt-get18:05:560
31127998914,53cyclictest10208-21grep18:41:050
31127998911,28cyclictest16646-21sed19:16:110
31127998818,23cyclictest4965-21df_inode18:11:120
31127998815,25cyclictest15412-21sendmail19:10:390
31127998814,54cyclictest13707-21/usr/sbin/munin19:01:410
31127998711,27cyclictest12394-21ntp_states18:51:370
31127998615,23cyclictest9062-21users18:31:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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