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2026-09-23 - 20:12
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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 Wed Sep 23, 2026 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11862225140,12sleep010809-1kworker/u3:006:55:420
126619910214,74cyclictest0-21swapper09:43:360
126619910119,60cyclictest13568-21munin-run11:09:560
126619910035,48cyclictest0-21swapper10:08:010
126619910034,33cyclictest28681-21wc08:29:580
126619910017,22cyclictest7323-21fw_conntrack12:25:570
126619910015,65cyclictest1669-21apt-get09:00:160
126619910012,23cyclictest6101-21ssh10:46:540
12661999915,46cyclictest3420-21ssh09:05:120
12661999915,22cyclictest22741-21irqstats10:01:090
12661999914,64cyclictest2756-21users12:11:450
12661999914,44cyclictest14050-21df_inode09:35:450
12661999914,22cyclictest5624-21fw_conntrack12:21:000
12661999912,23cyclictest9285-21awk10:56:310
1266199989,26cyclictest19590-21sendmail_mailqu11:26:360
12661999817,61cyclictest15554-21/usr/sbin/munin11:15:280
12661999816,64cyclictest29111-21apt-get11:55:120
12661999813,66cyclictest6083-21users09:11:460
12661999813,64cyclictest25728-21/usr/sbin/munin10:11:350
12661999812,46cyclictest7761-21sed09:16:390
12661999811,66cyclictest4685-21ssh12:17:480
12661999810,26cyclictest7401-21wc10:51:170
12661999719,56cyclictest26620-21users11:46:420
12661999716,42cyclictest31452-21ntp_states12:01:300
12661999712,63cyclictest316-21ssh10:30:290
12661999711,25cyclictest29699-21ssh10:21:200
12661999710,28cyclictest15784-21wc07:15:540
12661999615,45cyclictest27537-21ssh10:15:260
12661999615,22cyclictest2302-21irqstats10:36:040
12661999614,23cyclictest407-21df_inode12:05:460
12661999611,25cyclictest30854-21/usr/sbin/munin10:26:000
1266199959,45cyclictest22361-21sort07:54:570
12661999521,58cyclictest0-21swapper09:23:260
12661999514,61cyclictest24916-21users11:41:450
12661999514,22cyclictest20820-21df11:30:390
12661999514,22cyclictest12260-21df09:30:370
12661999513,23cyclictest14094-21/usr/sbin/munin11:10:580
1266199949,22cyclictest23328-21cut08:00:150
12661999442,35cyclictest17961-21timerandwakeup11:21:400
12661999414,62cyclictest22541-21df11:35:390
12661999414,60cyclictest17664-21memory09:46:130
12661999413,24cyclictest19488-21ntp_states09:51:260
1266199939,47cyclictest11461-21ssh11:03:020
12661999317,21cyclictest27947-21memory11:51:180
12661999313,44cyclictest10287-21ssh09:25:150
1266199928,65cyclictest14295-21/usr/sbin/munin07:10:400
12661999217,43cyclictest0-21swapper08:05:580
12661999217,41cyclictest17783-21munin-run07:29:540
12661999215,20cyclictest25101-21apt08:10:030
12661999210,60cyclictest3670-21tr10:40:280
12661999023,50cyclictest0-21swapper08:51:400
12661999019,48cyclictest30486-21apt-get08:40:050
12661999018,51cyclictest27226-21irqstats08:20:400
12661999015,36cyclictest20908-21df_inode09:55:440
12661998917,26cyclictest17983-21cut07:30:160
12661998917,23cyclictest16290-21df07:20:240
12661998915,29cyclictest28804-21aten_r5power_vo08:30:180
12661998915,26cyclictest26761-21/usr/sbin/munin08:16:030
12661998912,58cyclictest13025-21df_inode07:00:270
12661998819,23cyclictest31860-21ntp_states08:45:510
12661998814,26cyclictest1200-21ntp_offset08:55:500
12661998813,26cyclictest22729-21/usr/sbin/munin07:55:380
12661998714,27cyclictest18796-21/usr/sbin/munin07:35:040
12661998714,26cyclictest21287-21/usr/sbin/munin07:45:580
12661998711,43cyclictest19684-21apt-get07:40:090
12661998612,26cyclictest14151-21cron07:06:530
12661998512,27cyclictest14207-21snmpd08:37:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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