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2026-04-15 - 03:21
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 rack7slot8.osadl.org (updated Tue Apr 14, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1439422970,9sleep014393-21netstat07:05:260
152529912236,33cyclictest8093-21apt-get08:52:090
152529911746,36cyclictest375-21ntp_states12:31:100
152529911448,49cyclictest11558-21ps09:00:440
152529911444,49cyclictest21012-21seq07:30:310
152529911371,33cyclictest3086-21runrttasks10:35:380
152529911331,63cyclictest16944-21ntp_states09:21:150
152529911270,35cyclictest13460-21seq11:17:060
152529911267,34cyclictest1234-21sshd10:29:080
152529911238,36cyclictest15219-21ntp_states09:15:430
152529911167,34cyclictest13438-21runrttasks09:09:540
152529911040,35cyclictest29180-21munin-run12:20:030
152529911037,20cyclictest18514-21fw_conntrack07:20:460
152529911036,54cyclictest30153-21/usr/sbin/munin10:15:130
152529911035,36cyclictest32667-21apt-get08:17:080
152529910985,14cyclictest0-21swapper/007:10:030
152529910963,35cyclictest31649-21chrt12:26:410
152529910937,36cyclictest19793-21/usr/sbin/munin07:25:360
152529910936,20cyclictest29705-21ntp_states12:20:420
152529910935,21cyclictest30871-21diskstats08:10:230
152529910865,32cyclictest1415-21/usr/sbin/munin12:35:190
152529910844,29cyclictest28585-21ntp_states08:00:420
152529910839,18cyclictest27094-21irqstats12:10:320
152529910836,33cyclictest23432-21ntp_states11:55:420
152529910764,33cyclictest801-21dbus-daemon08:40:000
152529910761,35cyclictest22882-21sshd09:45:170
152529910750,38cyclictest15116-21latency_hist11:25:050
152529910740,32cyclictest1305-21snmpd08:56:000
152529910659,36cyclictest15071-21apt-get11:25:500
152529910637,33cyclictest26074-21ntp_states07:50:370
152529910636,20cyclictest9538-21/usr/sbin/munin11:00:460
152529910564,31cyclictest21680-21apt11:50:010
152529910544,40cyclictest21861-21ntp_states09:40:460
152529910542,47cyclictest23512-21irqstats07:40:330
152529910539,21cyclictest27325-21ntp_states07:55:430
152529910534,20cyclictest17933-21diskstats09:25:240
152529910534,19cyclictest26643-21diskstats10:00:220
152529910475,20cyclictest26610-21sshd12:09:410
152529910453,39cyclictest17014-21runrttasks11:30:210
152529910438,50cyclictest1305-21snmpd09:36:110
152529910436,35cyclictest6692-21fw_conntrack10:50:250
152529910431,35cyclictest11542-21wget11:10:240
152529910272,21cyclictest28827-21runrttasks10:10:030
152529910254,37cyclictest24647-21ntpq12:00:350
152529910238,43cyclictest8211-21sshd08:50:090
152529910236,35cyclictest1020-21irqstats08:20:290
152529910233,31cyclictest18126-21wget11:35:190
152529910159,32cyclictest29631-21diskstats08:05:220
152529910158,33cyclictest1305-21snmpd10:31:550
152529910158,32cyclictest29417-21sendmail_mailqu10:10:440
152529910151,39cyclictest21973-21cat11:50:160
152529910135,31cyclictest1408-21nginx09:58:520
152529910057,32cyclictest3121-21munin-run08:30:020
152529910057,32cyclictest17713-21sh07:20:010
152529910038,48cyclictest22340-21ntp_states07:35:420
15252999969,20cyclictest13642-21runrttasks09:10:140
15252999945,42cyclictest7700-21/usr/sbin/munin10:55:530
15252999938,20cyclictest10509-21memory11:05:330
15252999932,49cyclictest31423-21/usr/sbin/munin10:20:350
15252999931,34cyclictest5520-21irqstats10:45:320
15252999924,36cyclictest19615-21irqstats11:40:310
15252999853,35cyclictest5801-21aten_r7power_po08:40:150
15252999848,39cyclictest24642-21runrttasks07:45:190
15252999838,46cyclictest18986-21wget09:30:120
15252999834,33cyclictest3299-21wget08:30:150
15252999650,34cyclictest24050-21aten_r7power_vo09:50:150
15252999541,38cyclictest4444-21wc10:40:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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